How to use inSameEditingHost method in wpt

Best JavaScript code snippet using wpt

implementation.js

Source:implementation.js

...565	} else {566		return null;567	}568}569function inSameEditingHost(node1, node2) {570	return getEditingHostOf(node1)571		&& getEditingHostOf(node1) == getEditingHostOf(node2);572}573function isCollapsedLineBreak(br) {574	if (!isHtmlElement(br, "br")) {575		return false;576	}577	578	579	580	var ref = br.parentNode;581	while (getComputedStyle(ref).display == "inline") {582		ref = ref.parentNode;583	}584	var refStyle = ref.hasAttribute("style") ? ref.getAttribute("style") : null;585	ref.style.height = "auto";586	ref.style.maxHeight = "none";587	ref.style.minHeight = "0";588	var space = document.createTextNode("\u200b");589	var origHeight = ref.offsetHeight;590	if (origHeight == 0) {591		throw "isCollapsedLineBreak: original height is zero, bug?";592	}593	br.parentNode.insertBefore(space, br.nextSibling);594	var finalHeight = ref.offsetHeight;595	space.parentNode.removeChild(space);596	if (refStyle === null) {597		598		599		ref.setAttribute("style", "");600		ref.removeAttribute("style");601	} else {602		ref.setAttribute("style", refStyle);603	}604	605	606	607	return origHeight < finalHeight - 5;608}609function isExtraneousLineBreak(br) {610	if (!isHtmlElement(br, "br")) {611		return false;612	}613	if (isHtmlElement(br.parentNode, "li")614	&& br.parentNode.childNodes.length == 1) {615		return false;616	}617	618	619	620	621	var ref = br.parentNode;622	while (getComputedStyle(ref).display == "inline") {623		ref = ref.parentNode;624	}625	var refStyle = ref.hasAttribute("style") ? ref.getAttribute("style") : null;626	ref.style.height = "auto";627	ref.style.maxHeight = "none";628	ref.style.minHeight = "0";629	var brStyle = br.hasAttribute("style") ? br.getAttribute("style") : null;630	var origHeight = ref.offsetHeight;631	if (origHeight == 0) {632		throw "isExtraneousLineBreak: original height is zero, bug?";633	}634	br.setAttribute("style", "display:none");635	var finalHeight = ref.offsetHeight;636	if (refStyle === null) {637		638		639		ref.setAttribute("style", "");640		ref.removeAttribute("style");641	} else {642		ref.setAttribute("style", refStyle);643	}644	if (brStyle === null) {645		br.removeAttribute("style");646	} else {647		br.setAttribute("style", brStyle);648	}649	return origHeight == finalHeight;650}651function isWhitespaceNode(node) {652	return node653		&& node.nodeType == Node.TEXT_NODE654		&& (node.data == ""655		|| (656			/^[\t\n\r ]+$/.test(node.data)657			&& node.parentNode658			&& node.parentNode.nodeType == Node.ELEMENT_NODE659			&& ["normal", "nowrap"].indexOf(getComputedStyle(node.parentNode).whiteSpace) != -1660		) || (661			/^[\t\r ]+$/.test(node.data)662			&& node.parentNode663			&& node.parentNode.nodeType == Node.ELEMENT_NODE664			&& getComputedStyle(node.parentNode).whiteSpace == "pre-line"665		));666}667function isCollapsedWhitespaceNode(node) {668	669	if (!isWhitespaceNode(node)) {670		return false;671	}672	673	if (node.data == "") {674		return true;675	}676	677	var ancestor = node.parentNode;678	679	if (!ancestor) {680		return true;681	}682	683	684	if (getAncestors(node).some(function(ancestor) {685		return ancestor.nodeType == Node.ELEMENT_NODE686			&& getComputedStyle(ancestor).display == "none";687	})) {688		return true;689	}690	691	692	while (!isBlockNode(ancestor)693	&& ancestor.parentNode) {694		ancestor = ancestor.parentNode;695	}696	697	var reference = node;698	699	while (reference != ancestor) {700		701		reference = previousNode(reference);702		703		if (isBlockNode(reference)704		|| isHtmlElement(reference, "br")) {705			return true;706		}707		708		709		if ((reference.nodeType == Node.TEXT_NODE && !isWhitespaceNode(reference))710		|| isHtmlElement(reference, "img")) {711			break;712		}713	}714	715	reference = node;716	717	var stop = nextNodeDescendants(ancestor);718	while (reference != stop) {719		720		721		reference = nextNode(reference);722		723		if (isBlockNode(reference)724		|| isHtmlElement(reference, "br")) {725			return true;726		}727		728		729		if ((reference && reference.nodeType == Node.TEXT_NODE && !isWhitespaceNode(reference))730		|| isHtmlElement(reference, "img")) {731			break;732		}733	}734	735	return false;736}737function isVisible(node) {738	if (!node) {739		return false;740	}741	if (getAncestors(node).concat(node)742	.filter(function(node) { return node.nodeType == Node.ELEMENT_NODE })743	.some(function(node) { return getComputedStyle(node).display == "none" })) {744		return false;745	}746	if (isBlockNode(node)747	|| (node.nodeType == Node.TEXT_NODE && !isCollapsedWhitespaceNode(node))748	|| isHtmlElement(node, "img")749	|| (isHtmlElement(node, "br") && !isExtraneousLineBreak(node))) {750		return true;751	}752	for (var i = 0; i < node.childNodes.length; i++) {753		if (isVisible(node.childNodes[i])) {754			return true;755		}756	}757	return false;758}759function isInvisible(node) {760	return node && !isVisible(node);761}762function isCollapsedBlockProp(node) {763	if (isCollapsedLineBreak(node)764	&& !isExtraneousLineBreak(node)) {765		return true;766	}767	if (!isInlineNode(node)768	|| node.nodeType != Node.ELEMENT_NODE) {769		return false;770	}771	var hasCollapsedBlockPropChild = false;772	for (var i = 0; i < node.childNodes.length; i++) {773		if (!isInvisible(node.childNodes[i])774		&& !isCollapsedBlockProp(node.childNodes[i])) {775			return false;776		}777		if (isCollapsedBlockProp(node.childNodes[i])) {778			hasCollapsedBlockPropChild = true;779		}780	}781	return hasCollapsedBlockPropChild;782}783function getActiveRange() {784	var ret;785	if (globalRange) {786		ret = globalRange;787	} else if (getSelection().rangeCount) {788		ret = getSelection().getRangeAt(0);789	} else {790		return null;791	}792	if ([Node.TEXT_NODE, Node.ELEMENT_NODE].indexOf(ret.startContainer.nodeType) == -1793	|| [Node.TEXT_NODE, Node.ELEMENT_NODE].indexOf(ret.endContainer.nodeType) == -1794	|| !ret.startContainer.ownerDocument795	|| !ret.endContainer.ownerDocument796	|| !isDescendant(ret.startContainer, ret.startContainer.ownerDocument)797	|| !isDescendant(ret.endContainer, ret.endContainer.ownerDocument)) {798		throw "Invalid active range; test bug?";799	}800	return ret;801}802var getStateOverride, setStateOverride, unsetStateOverride,803	getValueOverride, setValueOverride, unsetValueOverride;804(function() {805	var stateOverrides = {};806	var valueOverrides = {};807	var storedRange = null;808	function resetOverrides() {809		if (!storedRange810		|| storedRange.startContainer != getActiveRange().startContainer811		|| storedRange.endContainer != getActiveRange().endContainer812		|| storedRange.startOffset != getActiveRange().startOffset813		|| storedRange.endOffset != getActiveRange().endOffset) {814			stateOverrides = {};815			valueOverrides = {};816			storedRange = getActiveRange().cloneRange();817		}818	}819	getStateOverride = function(command) {820		resetOverrides();821		return stateOverrides[command];822	};823	setStateOverride = function(command, newState) {824		resetOverrides();825		stateOverrides[command] = newState;826	};827	unsetStateOverride = function(command) {828		resetOverrides();829		delete stateOverrides[command];830	}831	getValueOverride = function(command) {832		resetOverrides();833		return valueOverrides[command];834	}835	836	837	838	setValueOverride = function(command, newValue) {839		resetOverrides();840		valueOverrides[command] = newValue;841		if (command == "backcolor") {842			valueOverrides.hilitecolor = newValue;843		} else if (command == "hilitecolor") {844			valueOverrides.backcolor = newValue;845		}846	}847	unsetValueOverride = function(command) {848		resetOverrides();849		delete valueOverrides[command];850		if (command == "backcolor") {851			delete valueOverrides.hilitecolor;852		} else if (command == "hilitecolor") {853			delete valueOverrides.backcolor;854		}855	}856})();857var extraRanges = [];858function movePreservingRanges(node, newParent, newIndex) {859	860	if (newIndex == -1) {861		newIndex = newParent.childNodes.length;862	}863	864	865	866	867	868	869	870	var oldParent = node.parentNode;871	var oldIndex = getNodeIndex(node);872	873	874	875	var ranges = [globalRange].concat(extraRanges);876	for (var i = 0; i < getSelection().rangeCount; i++) {877		ranges.push(getSelection().getRangeAt(i));878	}879	var boundaryPoints = [];880	ranges.forEach(function(range) {881		boundaryPoints.push([range.startContainer, range.startOffset]);882		boundaryPoints.push([range.endContainer, range.endOffset]);883	});884	boundaryPoints.forEach(function(boundaryPoint) {885		886		887		888		889		890		891		if (boundaryPoint[0] == newParent892		&& boundaryPoint[1] > newIndex) {893			boundaryPoint[1]++;894		}895		896		897		898		if (boundaryPoint[0] == oldParent899		&& (boundaryPoint[1] == oldIndex900		|| boundaryPoint[1] == oldIndex + 1)) {901			boundaryPoint[0] = newParent;902			boundaryPoint[1] += newIndex - oldIndex;903		}904		905		906		if (boundaryPoint[0] == oldParent907		&& boundaryPoint[1] > oldIndex + 1) {908			boundaryPoint[1]--;909		}910	});911	912	if (newParent.childNodes.length == newIndex) {913		newParent.appendChild(node);914	} else {915		newParent.insertBefore(node, newParent.childNodes[newIndex]);916	}917	globalRange.setStart(boundaryPoints[0][0], boundaryPoints[0][1]);918	globalRange.setEnd(boundaryPoints[1][0], boundaryPoints[1][1]);919	for (var i = 0; i < extraRanges.length; i++) {920		extraRanges[i].setStart(boundaryPoints[2*i + 2][0], boundaryPoints[2*i + 2][1]);921		extraRanges[i].setEnd(boundaryPoints[2*i + 3][0], boundaryPoints[2*i + 3][1]);922	}923	getSelection().removeAllRanges();924	for (var i = 1 + extraRanges.length; i < ranges.length; i++) {925		var newRange = document.createRange();926		newRange.setStart(boundaryPoints[2*i][0], boundaryPoints[2*i][1]);927		newRange.setEnd(boundaryPoints[2*i + 1][0], boundaryPoints[2*i + 1][1]);928		getSelection().addRange(newRange);929	}930}931function setTagName(element, newName) {932	933	934	if (isHtmlElement(element, newName.toUpperCase())) {935		return element;936	}937	938	if (!element.parentNode) {939		return element;940	}941	942	943	var replacementElement = element.ownerDocument.createElement(newName);944	945	946	element.parentNode.insertBefore(replacementElement, element);947	948	for (var i = 0; i < element.attributes.length; i++) {949		replacementElement.setAttributeNS(element.attributes[i].namespaceURI, element.attributes[i].name, element.attributes[i].value);950	}951	952	953	while (element.childNodes.length) {954		movePreservingRanges(element.firstChild, replacementElement, replacementElement.childNodes.length);955	}956	957	element.parentNode.removeChild(element);958	959	return replacementElement;960}961function removeExtraneousLineBreaksBefore(node) {962	963	var ref = node.previousSibling;964	965	if (!ref) {966		return;967	}968	969	while (ref.hasChildNodes()) {970		ref = ref.lastChild;971	}972	973	974	while (isInvisible(ref)975	&& !isExtraneousLineBreak(ref)976	&& ref != node.parentNode) {977		ref = previousNode(ref);978	}979	980	981	if (isEditable(ref)982	&& isExtraneousLineBreak(ref)) {983		ref.parentNode.removeChild(ref);984	}985}986function removeExtraneousLineBreaksAtTheEndOf(node) {987	988	var ref = node;989	990	while (ref.hasChildNodes()) {991		ref = ref.lastChild;992	}993	994	995	while (isInvisible(ref)996	&& !isExtraneousLineBreak(ref)997	&& ref != node) {998		ref = previousNode(ref);999	}1000	1001	if (isEditable(ref)1002	&& isExtraneousLineBreak(ref)) {1003		1004		1005		while (isEditable(ref.parentNode)1006		&& isInvisible(ref.parentNode)) {1007			ref = ref.parentNode;1008		}1009		1010		ref.parentNode.removeChild(ref);1011	}1012}1013function removeExtraneousLineBreaksFrom(node) {1014	removeExtraneousLineBreaksBefore(node);1015	removeExtraneousLineBreaksAtTheEndOf(node);1016}1017function wrap(nodeList, siblingCriteria, newParentInstructions) {1018	1019	1020	if (typeof siblingCriteria == "undefined") {1021		siblingCriteria = function() { return false };1022	}1023	if (typeof newParentInstructions == "undefined") {1024		newParentInstructions = function() { return null };1025	}1026	1027	1028	if (nodeList.every(isInvisible)1029	&& !nodeList.some(function(node) { return isHtmlElement(node, "br") })) {1030		return null;1031	}1032	1033	1034	if (!nodeList[0].parentNode) {1035		return null;1036	}1037	1038	1039	if (isInlineNode(nodeList[nodeList.length - 1])1040	&& !isHtmlElement(nodeList[nodeList.length - 1], "br")1041	&& isHtmlElement(nodeList[nodeList.length - 1].nextSibling, "br")) {1042		nodeList.push(nodeList[nodeList.length - 1].nextSibling);1043	}1044	1045	1046	while (isInvisible(nodeList[0].previousSibling)) {1047		nodeList.unshift(nodeList[0].previousSibling);1048	}1049	1050	1051	while (isInvisible(nodeList[nodeList.length - 1].nextSibling)) {1052		nodeList.push(nodeList[nodeList.length - 1].nextSibling);1053	}1054	1055	1056	1057	var newParent;1058	if (isEditable(nodeList[0].previousSibling)1059	&& siblingCriteria(nodeList[0].previousSibling)) {1060		newParent = nodeList[0].previousSibling;1061	1062	1063	1064	} else if (isEditable(nodeList[nodeList.length - 1].nextSibling)1065	&& siblingCriteria(nodeList[nodeList.length - 1].nextSibling)) {1066		newParent = nodeList[nodeList.length - 1].nextSibling;1067	1068	1069	} else {1070		newParent = newParentInstructions();1071	}1072	1073	if (!newParent) {1074		return null;1075	}1076	1077	if (!newParent.parentNode) {1078		1079		1080		nodeList[0].parentNode.insertBefore(newParent, nodeList[0]);1081		1082		1083		1084		1085		1086		if (globalRange.startContainer == newParent.parentNode1087		&& globalRange.startOffset == getNodeIndex(newParent)) {1088			globalRange.setStart(globalRange.startContainer, globalRange.startOffset + 1);1089		}1090		if (globalRange.endContainer == newParent.parentNode1091		&& globalRange.endOffset == getNodeIndex(newParent)) {1092			globalRange.setEnd(globalRange.endContainer, globalRange.endOffset + 1);1093		}1094	}1095	1096	var originalParent = nodeList[0].parentNode;1097	1098	if (isBefore(newParent, nodeList[0])) {1099		1100		1101		1102		1103		1104		if (!isInlineNode(newParent)1105		&& isInlineNode([].filter.call(newParent.childNodes, isVisible).slice(-1)[0])1106		&& isInlineNode(nodeList.filter(isVisible)[0])1107		&& !isHtmlElement(newParent.lastChild, "BR")) {1108			newParent.appendChild(newParent.ownerDocument.createElement("br"));1109		}1110		1111		1112		for (var i = 0; i < nodeList.length; i++) {1113			movePreservingRanges(nodeList[i], newParent, -1);1114		}1115	1116	} else {1117		1118		1119		1120		1121		1122		if (!isInlineNode(newParent)1123		&& isInlineNode([].filter.call(newParent.childNodes, isVisible)[0])1124		&& isInlineNode(nodeList.filter(isVisible).slice(-1)[0])1125		&& !isHtmlElement(nodeList[nodeList.length - 1], "BR")) {1126			newParent.insertBefore(newParent.ownerDocument.createElement("br"), newParent.firstChild);1127		}1128		1129		1130		for (var i = nodeList.length - 1; i >= 0; i--) {1131			movePreservingRanges(nodeList[i], newParent, 0);1132		}1133	}1134	1135	1136	if (isEditable(originalParent) && !originalParent.hasChildNodes()) {1137		originalParent.parentNode.removeChild(originalParent);1138	}1139	1140	1141	if (isEditable(newParent.nextSibling)1142	&& siblingCriteria(newParent.nextSibling)) {1143		1144		1145		1146		1147		1148		if (!isInlineNode(newParent)1149		&& isInlineNode(newParent.lastChild)1150		&& isInlineNode(newParent.nextSibling.firstChild)1151		&& !isHtmlElement(newParent.lastChild, "BR")) {1152			newParent.appendChild(newParent.ownerDocument.createElement("br"));1153		}1154		1155		1156		while (newParent.nextSibling.hasChildNodes()) {1157			movePreservingRanges(newParent.nextSibling.firstChild, newParent, -1);1158		}1159		1160		newParent.parentNode.removeChild(newParent.nextSibling);1161	}1162	1163	removeExtraneousLineBreaksFrom(newParent);1164	1165	return newParent;1166}1167var namesOfElementsWithInlineContents = ["a", "abbr", "b", "bdi", "bdo",1168	"cite", "code", "dfn", "em", "h1", "h2", "h3", "h4", "h5", "h6", "i",1169	"kbd", "mark", "p", "pre", "q", "rp", "rt", "ruby", "s", "samp", "small",1170	"span", "strong", "sub", "sup", "u", "var", "acronym", "listing", "strike",1171	"xmp", "big", "blink", "font", "marquee", "nobr", "tt"];1172function isElementWithInlineContents(node) {1173	return isHtmlElement(node, namesOfElementsWithInlineContents);1174}1175function isAllowedChild(child, parent_) {1176	1177	1178	1179	1180	if ((["colgroup", "table", "tbody", "tfoot", "thead", "tr"].indexOf(parent_) != -11181	|| isHtmlElement(parent_, ["colgroup", "table", "tbody", "tfoot", "thead", "tr"]))1182	&& typeof child == "object"1183	&& child.nodeType == Node.TEXT_NODE1184	&& !/^[ \t\n\f\r]*$/.test(child.data)) {1185		return false;1186	}1187	1188	1189	1190	if ((["script", "style", "plaintext", "xmp"].indexOf(parent_) != -11191	|| isHtmlElement(parent_, ["script", "style", "plaintext", "xmp"]))1192	&& (typeof child != "object" || child.nodeType != Node.TEXT_NODE)) {1193		return false;1194	}1195	1196	1197	if (typeof child == "object"1198	&& (child.nodeType == Node.DOCUMENT_NODE1199	|| child.nodeType == Node.DOCUMENT_FRAGMENT_NODE1200	|| child.nodeType == Node.DOCUMENT_TYPE_NODE)) {1201		return false;1202	}1203	1204	if (isHtmlElement(child)) {1205		child = child.tagName.toLowerCase();1206	}1207	1208	if (typeof child != "string") {1209		return true;1210	}1211	1212	if (isHtmlElement(parent_)) {1213		1214		1215		1216		1217		1218		1219		1220		1221		1222		1223		var ancestor = parent_;1224		while (ancestor) {1225			if (child == "a" && isHtmlElement(ancestor, "a")) {1226				return false;1227			}1228			if (prohibitedParagraphChildNames.indexOf(child) != -11229			&& isElementWithInlineContents(ancestor)) {1230				return false;1231			}1232			if (/^h[1-6]$/.test(child)1233			&& isHtmlElement(ancestor)1234			&& /^H[1-6]$/.test(ancestor.tagName)) {1235				return false;1236			}1237			ancestor = ancestor.parentNode;1238		}1239		1240		parent_ = parent_.tagName.toLowerCase();1241	}1242	1243	if (typeof parent_ == "object"1244	&& (parent_.nodeType == Node.ELEMENT_NODE1245	|| parent_.nodeType == Node.DOCUMENT_FRAGMENT_NODE)) {1246		return true;1247	}1248	1249	if (typeof parent_ != "string") {1250		return false;1251	}1252	1253	1254	1255	switch (parent_) {1256		case "colgroup":1257			return child == "col";1258		case "table":1259			return ["caption", "col", "colgroup", "tbody", "td", "tfoot", "th", "thead", "tr"].indexOf(child) != -1;1260		case "tbody":1261		case "thead":1262		case "tfoot":1263			return ["td", "th", "tr"].indexOf(child) != -1;1264		case "tr":1265			return ["td", "th"].indexOf(child) != -1;1266		case "dl":1267			return ["dt", "dd"].indexOf(child) != -1;1268		case "dir":1269		case "ol":1270		case "ul":1271			return ["dir", "li", "ol", "ul"].indexOf(child) != -1;1272		case "hgroup":1273			return /^h[1-6]$/.test(child);1274	}1275	1276	1277	1278	if (["body", "caption", "col", "colgroup", "frame", "frameset", "head",1279	"html", "tbody", "td", "tfoot", "th", "thead", "tr"].indexOf(child) != -1) {1280		return false;1281	}1282	1283	if (["dd", "dt"].indexOf(child) != -11284	&& parent_ != "dl") {1285		return false;1286	}1287	1288	if (child == "li"1289	&& parent_ != "ol"1290	&& parent_ != "ul") {1291		return false;1292	}1293	1294	1295	var table = [1296		[["a"], ["a"]],1297		[["dd", "dt"], ["dd", "dt"]],1298		[["h1", "h2", "h3", "h4", "h5", "h6"], ["h1", "h2", "h3", "h4", "h5", "h6"]],1299		[["li"], ["li"]],1300		[["nobr"], ["nobr"]],1301		[namesOfElementsWithInlineContents, prohibitedParagraphChildNames],1302		[["td", "th"], ["caption", "col", "colgroup", "tbody", "td", "tfoot", "th", "thead", "tr"]],1303	];1304	for (var i = 0; i < table.length; i++) {1305		if (table[i][0].indexOf(parent_) != -11306		&& table[i][1].indexOf(child) != -1) {1307			return false;1308		}1309	}1310	1311	return true;1312}1313function isEffectivelyContained(node, range) {1314	if (range.collapsed) {1315		return false;1316	}1317	1318	if (isContained(node, range)) {1319		return true;1320	}1321	1322	1323	if (node == range.startContainer1324	&& node.nodeType == Node.TEXT_NODE1325	&& getNodeLength(node) != range.startOffset) {1326		return true;1327	}1328	1329	1330	if (node == range.endContainer1331	&& node.nodeType == Node.TEXT_NODE1332	&& range.endOffset != 0) {1333		return true;1334	}1335	1336	1337	1338	1339	1340	if (node.hasChildNodes()1341	&& [].every.call(node.childNodes, function(child) { return isEffectivelyContained(child, range) })1342	&& (!isDescendant(range.startContainer, node)1343	|| range.startContainer.nodeType != Node.TEXT_NODE1344	|| range.startOffset == 0)1345	&& (!isDescendant(range.endContainer, node)1346	|| range.endContainer.nodeType != Node.TEXT_NODE1347	|| range.endOffset == getNodeLength(range.endContainer))) {1348		return true;1349	}1350	return false;1351}1352function getEffectivelyContainedNodes(range, condition) {1353	if (typeof condition == "undefined") {1354		condition = function() { return true };1355	}1356	var node = range.startContainer;1357	while (isEffectivelyContained(node.parentNode, range)) {1358		node = node.parentNode;1359	}1360	var stop = nextNodeDescendants(range.endContainer);1361	var nodeList = [];1362	while (isBefore(node, stop)) {1363		if (isEffectivelyContained(node, range)1364		&& condition(node)) {1365			nodeList.push(node);1366			node = nextNodeDescendants(node);1367			continue;1368		}1369		node = nextNode(node);1370	}1371	return nodeList;1372}1373function getAllEffectivelyContainedNodes(range, condition) {1374	if (typeof condition == "undefined") {1375		condition = function() { return true };1376	}1377	var node = range.startContainer;1378	while (isEffectivelyContained(node.parentNode, range)) {1379		node = node.parentNode;1380	}1381	var stop = nextNodeDescendants(range.endContainer);1382	var nodeList = [];1383	while (isBefore(node, stop)) {1384		if (isEffectivelyContained(node, range)1385		&& condition(node)) {1386			nodeList.push(node);1387		}1388		node = nextNode(node);1389	}1390	return nodeList;1391}1392function isModifiableElement(node) {1393	if (!isHtmlElement(node)) {1394		return false;1395	}1396	if (["B", "EM", "I", "S", "SPAN", "STRIKE", "STRONG", "SUB", "SUP", "U"].indexOf(node.tagName) != -1) {1397		if (node.attributes.length == 0) {1398			return true;1399		}1400		if (node.attributes.length == 11401		&& node.hasAttribute("style")) {1402			return true;1403		}1404	}1405	if (node.tagName == "FONT" || node.tagName == "A") {1406		var numAttrs = node.attributes.length;1407		if (node.hasAttribute("style")) {1408			numAttrs--;1409		}1410		if (node.tagName == "FONT") {1411			if (node.hasAttribute("color")) {1412				numAttrs--;1413			}1414			if (node.hasAttribute("face")) {1415				numAttrs--;1416			}1417			if (node.hasAttribute("size")) {1418				numAttrs--;1419			}1420		}1421		if (node.tagName == "A"1422		&& node.hasAttribute("href")) {1423			numAttrs--;1424		}1425		if (numAttrs == 0) {1426			return true;1427		}1428	}1429	return false;1430}1431function isSimpleModifiableElement(node) {1432	1433	1434	if (!isHtmlElement(node)) {1435		return false;1436	}1437	1438	if (["A", "B", "EM", "FONT", "I", "S", "SPAN", "STRIKE", "STRONG", "SUB", "SUP", "U"].indexOf(node.tagName) == -1) {1439		return false;1440	}1441	1442	1443	if (node.attributes.length == 0) {1444		return true;1445	}1446	1447	if (node.attributes.length > 1) {1448		return false;1449	}1450	1451	1452	1453	1454	1455	if (node.hasAttribute("style")1456	&& node.style.length == 0) {1457		return true;1458	}1459	1460	if (node.tagName == "A"1461	&& node.hasAttribute("href")) {1462		return true;1463	}1464	1465	1466	if (node.tagName == "FONT"1467	&& (node.hasAttribute("color")1468	|| node.hasAttribute("face")1469	|| node.hasAttribute("size")1470	)) {1471		return true;1472	}1473	1474	1475	1476	if ((node.tagName == "B" || node.tagName == "STRONG")1477	&& node.hasAttribute("style")1478	&& node.style.length == 11479	&& node.style.fontWeight != "") {1480		return true;1481	}1482	1483	1484	1485	if ((node.tagName == "I" || node.tagName == "EM")1486	&& node.hasAttribute("style")1487	&& node.style.length == 11488	&& node.style.fontStyle != "") {1489		return true;1490	}1491	1492	1493	1494	1495	if ((node.tagName == "A" || node.tagName == "FONT" || node.tagName == "SPAN")1496	&& node.hasAttribute("style")1497	&& node.style.length == 11498	&& node.style.textDecoration == "") {1499		return true;1500	}1501	1502	1503	1504	1505	1506	1507	1508	1509	if (["A", "FONT", "S", "SPAN", "STRIKE", "U"].indexOf(node.tagName) != -11510	&& node.hasAttribute("style")1511	&& (node.style.length == 11512	|| (node.style.length == 41513		&& "MozTextBlink" in node.style1514		&& "textDecorationColor" in node.style1515		&& "textDecorationLine" in node.style1516		&& "textDecorationStyle" in node.style)1517	)1518	&& (node.style.textDecoration == "line-through"1519	|| node.style.textDecoration == "underline"1520	|| node.style.textDecoration == "overline"1521	|| node.style.textDecoration == "none")) {1522		return true;1523	}1524	return false;1525}1526function isFormattableNode(node) {1527	return isEditable(node)1528		&& isVisible(node)1529		&& (node.nodeType == Node.TEXT_NODE1530		|| isHtmlElement(node, ["img", "br"]));1531}1532function areEquivalentValues(command, val1, val2) {1533	if (val1 === null && val2 === null) {1534		return true;1535	}1536	if (typeof val1 == "string"1537	&& typeof val2 == "string"1538	&& val1 == val21539	&& !("equivalentValues" in commands[command])) {1540		return true;1541	}1542	if (typeof val1 == "string"1543	&& typeof val2 == "string"1544	&& "equivalentValues" in commands[command]1545	&& commands[command].equivalentValues(val1, val2)) {1546		return true;1547	}1548	return false;1549}1550function areLooselyEquivalentValues(command, val1, val2) {1551	if (areEquivalentValues(command, val1, val2)) {1552		return true;1553	}1554	if (command != "fontsize"1555	|| typeof val1 != "string"1556	|| typeof val2 != "string") {1557		return false;1558	}1559	1560	var callee = areLooselyEquivalentValues;1561	if (callee.sizeMap === undefined) {1562		callee.sizeMap = {};1563		var font = document.createElement("font");1564		document.body.appendChild(font);1565		["x-small", "small", "medium", "large", "x-large", "xx-large",1566		"xxx-large"].forEach(function(keyword) {1567			font.size = cssSizeToLegacy(keyword);1568			callee.sizeMap[keyword] = getComputedStyle(font).fontSize;1569		});1570		document.body.removeChild(font);1571	}1572	return val1 === callee.sizeMap[val2]1573		|| val2 === callee.sizeMap[val1];1574}1575function getEffectiveCommandValue(node, command) {1576	1577	if (node.nodeType != Node.ELEMENT_NODE1578	&& (!node.parentNode || node.parentNode.nodeType != Node.ELEMENT_NODE)) {1579		return null;1580	}1581	1582	1583	if (node.nodeType != Node.ELEMENT_NODE) {1584		return getEffectiveCommandValue(node.parentNode, command);1585	}1586	1587	if (command == "createlink" || command == "unlink") {1588		1589		1590		while (node1591		&& (!isHtmlElement(node)1592		|| node.tagName != "A"1593		|| !node.hasAttribute("href"))) {1594			node = node.parentNode;1595		}1596		1597		if (!node) {1598			return null;1599		}1600		1601		return node.getAttribute("href");1602	}1603	1604	if (command == "backcolor"1605	|| command == "hilitecolor") {1606		1607		1608		1609		1610		1611		while ((getComputedStyle(node).backgroundColor == "rgba(0, 0, 0, 0)"1612		|| getComputedStyle(node).backgroundColor === ""1613		|| getComputedStyle(node).backgroundColor == "transparent")1614		&& node.parentNode1615		&& node.parentNode.nodeType == Node.ELEMENT_NODE) {1616			node = node.parentNode;1617		}1618		1619		return getComputedStyle(node).backgroundColor;1620	}1621	1622	if (command == "subscript" || command == "superscript") {1623		1624		1625		var affectedBySubscript = false;1626		var affectedBySuperscript = false;1627		1628		while (isInlineNode(node)) {1629			var verticalAlign = getComputedStyle(node).verticalAlign;1630			1631			if (isHtmlElement(node, "sub")) {1632				affectedBySubscript = true;1633			1634			1635			} else if (isHtmlElement(node, "sup")) {1636				affectedBySuperscript = true;1637			}1638			1639			node = node.parentNode;1640		}1641		1642		1643		if (affectedBySubscript && affectedBySuperscript) {1644			return "mixed";1645		}1646		1647		if (affectedBySubscript) {1648			return "subscript";1649		}1650		1651		if (affectedBySuperscript) {1652			return "superscript";1653		}1654		1655		return null;1656	}1657	1658	1659	1660	if (command == "strikethrough") {1661		do {1662			if (getComputedStyle(node).textDecoration.indexOf("line-through") != -1) {1663				return "line-through";1664			}1665			node = node.parentNode;1666		} while (node && node.nodeType == Node.ELEMENT_NODE);1667		return null;1668	}1669	1670	1671	1672	if (command == "underline") {1673		do {1674			if (getComputedStyle(node).textDecoration.indexOf("underline") != -1) {1675				return "underline";1676			}1677			node = node.parentNode;1678		} while (node && node.nodeType == Node.ELEMENT_NODE);1679		return null;1680	}1681	if (!("relevantCssProperty" in commands[command])) {1682		throw "Bug: no relevantCssProperty for " + command + " in getEffectiveCommandValue";1683	}1684	1685	1686	return getComputedStyle(node)[commands[command].relevantCssProperty];1687}1688function getSpecifiedCommandValue(element, command) {1689	1690	1691	if ((command == "backcolor" || command == "hilitecolor")1692	&& getComputedStyle(element).display != "inline") {1693		return null;1694	}1695	1696	if (command == "createlink" || command == "unlink") {1697		1698		1699		if (isHtmlElement(element)1700		&& element.tagName == "A"1701		&& element.hasAttribute("href")) {1702			return element.getAttribute("href");1703		}1704		1705		return null;1706	}1707	1708	if (command == "subscript" || command == "superscript") {1709		1710		if (isHtmlElement(element, "sup")) {1711			return "superscript";1712		}1713		1714		if (isHtmlElement(element, "sub")) {1715			return "subscript";1716		}1717		1718		return null;1719	}1720	1721	1722	if (command == "strikethrough"1723	&& element.style.textDecoration != "") {1724		1725		1726		if (element.style.textDecoration.indexOf("line-through") != -1) {1727			return "line-through";1728		}1729		1730		return null;1731	}1732	1733	1734	if (command == "strikethrough"1735	&& isHtmlElement(element, ["S", "STRIKE"])) {1736		return "line-through";1737	}1738	1739	1740	if (command == "underline"1741	&& element.style.textDecoration != "") {1742		1743		1744		if (element.style.textDecoration.indexOf("underline") != -1) {1745			return "underline";1746		}1747		1748		return null;1749	}1750	1751	1752	if (command == "underline"1753	&& isHtmlElement(element, "U")) {1754		return "underline";1755	}1756	1757	var property = commands[command].relevantCssProperty;1758	1759	if (property === null) {1760		return null;1761	}1762	1763	1764	if (element.style[property] != "") {1765		return element.style[property];1766	}1767	1768	1769	1770	1771	if (isHtmlNamespace(element.namespaceURI)1772	&& element.tagName == "FONT") {1773		if (property == "color" && element.hasAttribute("color")) {1774			return element.color;1775		}1776		if (property == "fontFamily" && element.hasAttribute("face")) {1777			return element.face;1778		}1779		if (property == "fontSize" && element.hasAttribute("size")) {1780			1781			var size = parseInt(element.size);1782			if (size < 1) {1783				size = 1;1784			}1785			if (size > 7) {1786				size = 7;1787			}1788			return {1789				1: "x-small",1790				2: "small",1791				3: "medium",1792				4: "large",1793				5: "x-large",1794				6: "xx-large",1795				7: "xxx-large"1796			}[size];1797		}1798	}1799	1800	1801	1802	1803	if (property == "fontWeight"1804	&& (element.tagName == "B" || element.tagName == "STRONG")) {1805		return "bold";1806	}1807	if (property == "fontStyle"1808	&& (element.tagName == "I" || element.tagName == "EM")) {1809		return "italic";1810	}1811	1812	return null;1813}1814function reorderModifiableDescendants(node, command, newValue) {1815	1816	var candidate = node;1817	1818	1819	1820	1821	while (isModifiableElement(candidate)1822	&& candidate.childNodes.length == 11823	&& isModifiableElement(candidate.firstChild)1824	&& (!isSimpleModifiableElement(candidate)1825	|| !areEquivalentValues(command, getSpecifiedCommandValue(candidate, command), newValue))) {1826		candidate = candidate.firstChild;1827	}1828	1829	1830	1831	1832	if (candidate == node1833	|| !isSimpleModifiableElement(candidate)1834	|| !areEquivalentValues(command, getSpecifiedCommandValue(candidate, command), newValue)1835	|| !areLooselyEquivalentValues(command, getEffectiveCommandValue(candidate, command), newValue)) {1836		return;1837	}1838	1839	1840	while (candidate.hasChildNodes()) {1841		movePreservingRanges(candidate.firstChild, candidate.parentNode, getNodeIndex(candidate));1842	}1843	1844	node.parentNode.insertBefore(candidate, node.nextSibling);1845	1846	movePreservingRanges(node, candidate, -1);1847}1848function recordValues(nodeList) {1849	1850	1851	var values = [];1852	1853	1854	1855	nodeList.forEach(function(node) {1856		["subscript", "bold", "fontname", "fontsize", "forecolor",1857		"hilitecolor", "italic", "strikethrough", "underline"].forEach(function(command) {1858			1859			var ancestor = node;1860			1861			if (ancestor.nodeType != Node.ELEMENT_NODE) {1862				ancestor = ancestor.parentNode;1863			}1864			1865			1866			while (ancestor1867			&& ancestor.nodeType == Node.ELEMENT_NODE1868			&& getSpecifiedCommandValue(ancestor, command) === null) {1869				ancestor = ancestor.parentNode;1870			}1871			1872			1873			1874			if (ancestor && ancestor.nodeType == Node.ELEMENT_NODE) {1875				values.push([node, command, getSpecifiedCommandValue(ancestor, command)]);1876			} else {1877				values.push([node, command, null]);1878			}1879		});1880	});1881	1882	return values;1883}1884function restoreValues(values) {1885	1886	values.forEach(function(triple) {1887		var node = triple[0];1888		var command = triple[1];1889		var value = triple[2];1890		1891		var ancestor = node;1892		1893		if (!ancestor || ancestor.nodeType != Node.ELEMENT_NODE) {1894			ancestor = ancestor.parentNode;1895		}1896		1897		1898		while (ancestor1899		&& ancestor.nodeType == Node.ELEMENT_NODE1900		&& getSpecifiedCommandValue(ancestor, command) === null) {1901			ancestor = ancestor.parentNode;1902		}1903		1904		1905		if (value === null1906		&& ancestor1907		&& ancestor.nodeType == Node.ELEMENT_NODE) {1908			pushDownValues(node, command, null);1909		1910		1911		1912		1913		} else if ((ancestor1914		&& ancestor.nodeType == Node.ELEMENT_NODE1915		&& !areEquivalentValues(command, getSpecifiedCommandValue(ancestor, command), value))1916		|| ((!ancestor || ancestor.nodeType != Node.ELEMENT_NODE)1917		&& value !== null)) {1918			forceValue(node, command, value);1919		}1920	});1921}1922function clearValue(element, command) {1923	1924	if (!isEditable(element)) {1925		return [];1926	}1927	1928	1929	if (getSpecifiedCommandValue(element, command) === null) {1930		return [];1931	}1932	1933	if (isSimpleModifiableElement(element)) {1934		1935		var children = Array.prototype.slice.call(element.childNodes);1936		1937		1938		for (var i = 0; i < children.length; i++) {1939			movePreservingRanges(children[i], element.parentNode, getNodeIndex(element));1940		}1941		1942		element.parentNode.removeChild(element);1943		1944		return children;1945	}1946	1947	1948	1949	if (command == "strikethrough"1950	&& element.style.textDecoration.indexOf("line-through") != -1) {1951		if (element.style.textDecoration == "line-through") {1952			element.style.textDecoration = "";1953		} else {1954			element.style.textDecoration = element.style.textDecoration.replace("line-through", "");1955		}1956		if (element.getAttribute("style") == "") {1957			element.removeAttribute("style");1958		}1959	}1960	1961	1962	1963	if (command == "underline"1964	&& element.style.textDecoration.indexOf("underline") != -1) {1965		if (element.style.textDecoration == "underline") {1966			element.style.textDecoration = "";1967		} else {1968			element.style.textDecoration = element.style.textDecoration.replace("underline", "");1969		}1970		if (element.getAttribute("style") == "") {1971			element.removeAttribute("style");1972		}1973	}1974	1975	1976	if (commands[command].relevantCssProperty !== null) {1977		element.style[commands[command].relevantCssProperty] = '';1978		if (element.getAttribute("style") == "") {1979			element.removeAttribute("style");1980		}1981	}1982	1983	if (isHtmlNamespace(element.namespaceURI) && element.tagName == "FONT") {1984		1985		if (command == "forecolor") {1986			element.removeAttribute("color");1987		}1988		1989		if (command == "fontname") {1990			element.removeAttribute("face");1991		}1992		1993		if (command == "fontsize") {1994			element.removeAttribute("size");1995		}1996	}1997	1998	1999	if (isHtmlElement(element, "A")2000	&& (command == "createlink" || command == "unlink")) {2001		element.removeAttribute("href");2002	}2003	2004	2005	if (getSpecifiedCommandValue(element, command) === null) {2006		return [];2007	}2008	2009	2010	return [setTagName(element, "span")];2011}2012function pushDownValues(node, command, newValue) {2013	2014	if (!node.parentNode2015	|| node.parentNode.nodeType != Node.ELEMENT_NODE) {2016		return;2017	}2018	2019	2020	if (areLooselyEquivalentValues(command, getEffectiveCommandValue(node, command), newValue)) {2021		return;2022	}2023	2024	var currentAncestor = node.parentNode;2025	2026	var ancestorList = [];2027	2028	2029	2030	2031	while (isEditable(currentAncestor)2032	&& currentAncestor.nodeType == Node.ELEMENT_NODE2033	&& !areLooselyEquivalentValues(command, getEffectiveCommandValue(currentAncestor, command), newValue)) {2034		ancestorList.push(currentAncestor);2035		currentAncestor = currentAncestor.parentNode;2036	}2037	2038	if (!ancestorList.length) {2039		return;2040	}2041	2042	2043	var propagatedValue = getSpecifiedCommandValue(ancestorList[ancestorList.length - 1], command);2044	2045	2046	if (propagatedValue === null && propagatedValue != newValue) {2047		return;2048	}2049	2050	2051	2052	if (newValue !== null2053	&& !areLooselyEquivalentValues(command, getEffectiveCommandValue(ancestorList[ancestorList.length - 1].parentNode, command), newValue)) {2054		return;2055	}2056	2057	while (ancestorList.length) {2058		2059		2060		var currentAncestor = ancestorList.pop();2061		2062		2063		if (getSpecifiedCommandValue(currentAncestor, command) !== null) {2064			propagatedValue = getSpecifiedCommandValue(currentAncestor, command);2065		}2066		2067		var children = Array.prototype.slice.call(currentAncestor.childNodes);2068		2069		2070		if (getSpecifiedCommandValue(currentAncestor, command) !== null) {2071			clearValue(currentAncestor, command);2072		}2073		2074		for (var i = 0; i < children.length; i++) {2075			var child = children[i];2076			2077			if (child == node) {2078				continue;2079			}2080			2081			2082			2083			if (child.nodeType == Node.ELEMENT_NODE2084			&& getSpecifiedCommandValue(child, command) !== null2085			&& !areEquivalentValues(command, propagatedValue, getSpecifiedCommandValue(child, command))) {2086				continue;2087			}2088			2089			2090			if (child == ancestorList[ancestorList.length - 1]) {2091				continue;2092			}2093			2094			2095			forceValue(child, command, propagatedValue);2096		}2097	}2098}2099function forceValue(node, command, newValue) {2100	2101	if (!node.parentNode) {2102		return;2103	}2104	2105	if (newValue === null) {2106		return;2107	}2108	2109	if (isAllowedChild(node, "span")) {2110		2111		reorderModifiableDescendants(node.previousSibling, command, newValue);2112		2113		reorderModifiableDescendants(node.nextSibling, command, newValue);2114		2115		2116		2117		2118		2119		wrap([node],2120			function(node) {2121				return isSimpleModifiableElement(node)2122					&& areEquivalentValues(command, getSpecifiedCommandValue(node, command), newValue)2123					&& areLooselyEquivalentValues(command, getEffectiveCommandValue(node, command), newValue);2124			},2125			function() { return null }2126		);2127	}2128	2129	if (isInvisible(node)) {2130		return;2131	}2132	2133	2134	if (areLooselyEquivalentValues(command, getEffectiveCommandValue(node, command), newValue)) {2135		return;2136	}2137	2138	if (!isAllowedChild(node, "span")) {2139		2140		2141		2142		var children = [];2143		for (var i = 0; i < node.childNodes.length; i++) {2144			if (node.childNodes[i].nodeType == Node.ELEMENT_NODE) {2145				var specifiedValue = getSpecifiedCommandValue(node.childNodes[i], command);2146				if (specifiedValue !== null2147				&& !areEquivalentValues(command, newValue, specifiedValue)) {2148					continue;2149				}2150			}2151			children.push(node.childNodes[i]);2152		}2153		2154		2155		for (var i = 0; i < children.length; i++) {2156			forceValue(children[i], command, newValue);2157		}2158		2159		return;2160	}2161	2162	2163	if (areLooselyEquivalentValues(command, getEffectiveCommandValue(node, command), newValue)) {2164		return;2165	}2166	2167	var newParent = null;2168	2169	if (!cssStylingFlag) {2170		2171		2172		if (command == "bold" && (newValue == "bold" || newValue == "700")) {2173			newParent = node.ownerDocument.createElement("b");2174		}2175		2176		2177		2178		if (command == "italic" && newValue == "italic") {2179			newParent = node.ownerDocument.createElement("i");2180		}2181		2182		2183		2184		if (command == "strikethrough" && newValue == "line-through") {2185			newParent = node.ownerDocument.createElement("s");2186		}2187		2188		2189		2190		if (command == "underline" && newValue == "underline") {2191			newParent = node.ownerDocument.createElement("u");2192		}2193		2194		2195		if (command == "forecolor" && parseSimpleColor(newValue)) {2196			2197			2198			newParent = node.ownerDocument.createElement("font");2199			2200			2201			2202			newParent.setAttribute("color", parseSimpleColor(newValue));2203		}2204		2205		2206		2207		if (command == "fontname") {2208			newParent = node.ownerDocument.createElement("font");2209			newParent.face = newValue;2210		}2211	}2212	2213	if (command == "createlink" || command == "unlink") {2214		2215		2216		newParent = node.ownerDocument.createElement("a");2217		2218		newParent.setAttribute("href", newValue);2219		2220		var ancestor = node.parentNode;2221		2222		while (ancestor) {2223			2224			2225			if (isHtmlElement(ancestor, "A")) {2226				ancestor = setTagName(ancestor, "span");2227			}2228			2229			ancestor = ancestor.parentNode;2230		}2231	}2232	2233	2234	2235	2236	2237	2238	if (command == "fontsize"2239	&& ["x-small", "small", "medium", "large", "x-large", "xx-large", "xxx-large"].indexOf(newValue) != -12240	&& (!cssStylingFlag || newValue == "xxx-large")) {2241		newParent = node.ownerDocument.createElement("font");2242		newParent.size = cssSizeToLegacy(newValue);2243	}2244	2245	2246	2247	if ((command == "subscript" || command == "superscript")2248	&& newValue == "subscript") {2249		newParent = node.ownerDocument.createElement("sub");2250	}2251	2252	2253	2254	if ((command == "subscript" || command == "superscript")2255	&& newValue == "superscript") {2256		newParent = node.ownerDocument.createElement("sup");2257	}2258	2259	2260	if (!newParent) {2261		newParent = node.ownerDocument.createElement("span");2262	}2263	2264	node.parentNode.insertBefore(newParent, node);2265	2266	2267	2268	2269	var property = commands[command].relevantCssProperty;2270	if (property !== null2271	&& !areLooselyEquivalentValues(command, getEffectiveCommandValue(newParent, command), newValue)) {2272		newParent.style[property] = newValue;2273	}2274	2275	2276	2277	2278	if (command == "strikethrough"2279	&& newValue == "line-through"2280	&& getEffectiveCommandValue(newParent, "strikethrough") != "line-through") {2281		newParent.style.textDecoration = "line-through";2282	}2283	2284	2285	2286	2287	if (command == "underline"2288	&& newValue == "underline"2289	&& getEffectiveCommandValue(newParent, "underline") != "underline") {2290		newParent.style.textDecoration = "underline";2291	}2292	2293	movePreservingRanges(node, newParent, newParent.childNodes.length);2294	2295	2296	if (node.nodeType == Node.ELEMENT_NODE2297	&& !areEquivalentValues(command, getEffectiveCommandValue(node, command), newValue)) {2298		2299		2300		movePreservingRanges(node, newParent.parentNode, getNodeIndex(newParent));2301		2302		newParent.parentNode.removeChild(newParent);2303		2304		2305		2306		var children = [];2307		for (var i = 0; i < node.childNodes.length; i++) {2308			if (node.childNodes[i].nodeType == Node.ELEMENT_NODE) {2309				var specifiedValue = getSpecifiedCommandValue(node.childNodes[i], command);2310				if (specifiedValue !== null2311				&& !areEquivalentValues(command, newValue, specifiedValue)) {2312					continue;2313				}2314			}2315			children.push(node.childNodes[i]);2316		}2317		2318		2319		for (var i = 0; i < children.length; i++) {2320			forceValue(children[i], command, newValue);2321		}2322	}2323}2324function setSelectionValue(command, newValue) {2325	2326	2327	if (!getAllEffectivelyContainedNodes(getActiveRange())2328	.some(isFormattableNode)) {2329		2330		2331		if ("inlineCommandActivatedValues" in commands[command]) {2332			setStateOverride(command, commands[command].inlineCommandActivatedValues2333				.indexOf(newValue) != -1);2334		}2335		2336		2337		if (command == "subscript") {2338			unsetStateOverride("superscript");2339		}2340		2341		2342		if (command == "superscript") {2343			unsetStateOverride("subscript");2344		}2345		2346		if (newValue === null) {2347			unsetValueOverride(command);2348		2349		2350		} else if (command == "createlink" || "value" in commands[command]) {2351			setValueOverride(command, newValue);2352		}2353		2354		return;2355	}2356	2357	2358	2359	2360	2361	if (isEditable(getActiveRange().startContainer)2362	&& getActiveRange().startContainer.nodeType == Node.TEXT_NODE2363	&& getActiveRange().startOffset != 02364	&& getActiveRange().startOffset != getNodeLength(getActiveRange().startContainer)) {2365		2366		var newActiveRange = document.createRange();2367		var newNode;2368		if (getActiveRange().startContainer == getActiveRange().endContainer) {2369			var newEndOffset = getActiveRange().endOffset - getActiveRange().startOffset;2370			newNode = getActiveRange().startContainer.splitText(getActiveRange().startOffset);2371			newActiveRange.setEnd(newNode, newEndOffset);2372			getActiveRange().setEnd(newNode, newEndOffset);2373		} else {2374			newNode = getActiveRange().startContainer.splitText(getActiveRange().startOffset);2375		}2376		newActiveRange.setStart(newNode, 0);2377		getSelection().removeAllRanges();2378		getSelection().addRange(newActiveRange);2379		getActiveRange().setStart(newNode, 0);2380	}2381	2382	2383	2384	2385	if (isEditable(getActiveRange().endContainer)2386	&& getActiveRange().endContainer.nodeType == Node.TEXT_NODE2387	&& getActiveRange().endOffset != 02388	&& getActiveRange().endOffset != getNodeLength(getActiveRange().endContainer)) {2389		2390		2391		2392		2393		var activeRange = getActiveRange();2394		var newStart = [activeRange.startContainer, activeRange.startOffset];2395		var newEnd = [activeRange.endContainer, activeRange.endOffset];2396		activeRange.endContainer.splitText(activeRange.endOffset);2397		activeRange.setStart(newStart[0], newStart[1]);2398		activeRange.setEnd(newEnd[0], newEnd[1]);2399		getSelection().removeAllRanges();2400		getSelection().addRange(activeRange);2401	}2402	2403	2404	2405	2406	getAllEffectivelyContainedNodes(getActiveRange(), function(node) {2407		return isEditable(node) && node.nodeType == Node.ELEMENT_NODE;2408	}).forEach(function(element) {2409		clearValue(element, command);2410	});2411	2412	2413	2414	2415	getAllEffectivelyContainedNodes(getActiveRange(), isEditable).forEach(function(node) {2416		2417		pushDownValues(node, command, newValue);2418		2419		if (isAllowedChild(node, "span")) {2420			forceValue(node, command, newValue);2421		}2422	});2423}2424commands.backcolor = {2425	2426	action: function(value) {2427		2428		2429		2430		2431		2432		2433		2434		if (/^([0-9a-fA-F]{3}){1,2}$/.test(value)) {2435			value = "#" + value;2436		}2437		if (!/^(rgba?|hsla?)\(.*\)$/.test(value)2438		&& !parseSimpleColor(value)2439		&& value.toLowerCase() != "transparent") {2440			return false;2441		}2442		2443		setSelectionValue("backcolor", value);2444		2445		return true;2446	}, standardInlineValueCommand: true, relevantCssProperty: "backgroundColor",2447	equivalentValues: function(val1, val2) {2448		2449		2450		2451		return normalizeColor(val1) === normalizeColor(val2);2452	},2453};2454commands.bold = {2455	action: function() {2456		2457		2458		2459		if (myQueryCommandState("bold")) {2460			setSelectionValue("bold", "normal");2461		} else {2462			setSelectionValue("bold", "bold");2463		}2464		return true;2465	}, inlineCommandActivatedValues: ["bold", "600", "700", "800", "900"],2466	relevantCssProperty: "fontWeight",2467	equivalentValues: function(val1, val2) {2468		2469		2470		return val1 == val22471			|| (val1 == "bold" && val2 == "700")2472			|| (val1 == "700" && val2 == "bold")2473			|| (val1 == "normal" && val2 == "400")2474			|| (val1 == "400" && val2 == "normal");2475	},2476};2477commands.createlink = {2478	action: function(value) {2479		2480		if (value === "") {2481			return false;2482		}2483		2484		2485		2486		2487		2488		2489		getAllEffectivelyContainedNodes(getActiveRange()).forEach(function(node) {2490			getAncestors(node).forEach(function(ancestor) {2491				if (isEditable(ancestor)2492				&& isHtmlElement(ancestor, "a")2493				&& ancestor.hasAttribute("href")) {2494					ancestor.setAttribute("href", value);2495				}2496			});2497		});2498		2499		setSelectionValue("createlink", value);2500		2501		return true;2502	}2503};2504commands.fontname = {2505	action: function(value) {2506		2507		setSelectionValue("fontname", value);2508		return true;2509	}, standardInlineValueCommand: true, relevantCssProperty: "fontFamily"2510};2511function normalizeFontSize(value) {2512	2513	2514	2515	value = value.trim();2516	2517	2518	2519	if (!/^[-+]?[0-9]+(\.[0-9]+)?([eE][-+]?[0-9]+)?$/.test(value)) {2520		return null;2521	}2522	var mode;2523	2524	2525	if (value[0] == "+") {2526		value = value.slice(1);2527		mode = "relative-plus";2528	2529	2530	} else if (value[0] == "-") {2531		value = value.slice(1);2532		mode = "relative-minus";2533	2534	} else {2535		mode = "absolute";2536	}2537	2538	2539	2540	2541	var num = parseInt(value);2542	2543	if (mode == "relative-plus") {2544		num += 3;2545	}2546	2547	if (mode == "relative-minus") {2548		num = 3 - num;2549	}2550	2551	if (num < 1) {2552		num = 1;2553	}2554	2555	if (num > 7) {2556		num = 7;2557	}2558	2559	value = {2560		1: "x-small",2561		2: "small",2562		3: "medium",2563		4: "large",2564		5: "x-large",2565		6: "xx-large",2566		7: "xxx-large"2567	}[num];2568	return value;2569}2570commands.fontsize = {2571	action: function(value) {2572		value = normalizeFontSize(value);2573		if (value === null) {2574			return false;2575		}2576		2577		setSelectionValue("fontsize", value);2578		2579		return true;2580	}, indeterm: function() {2581		2582		2583		2584		return getAllEffectivelyContainedNodes(getActiveRange(), isFormattableNode)2585		.map(function(node) {2586			return getEffectiveCommandValue(node, "fontsize");2587		}).filter(function(value, i, arr) {2588			return arr.slice(0, i).indexOf(value) == -1;2589		}).length >= 2;2590	}, value: function() {2591		2592		if (!getActiveRange()) {2593			return "";2594		}2595		2596		2597		2598		2599		2600		var node = getAllEffectivelyContainedNodes(getActiveRange(), isFormattableNode)[0];2601		if (node === undefined) {2602			node = getActiveRange().startContainer;2603		}2604		var pixelSize = getEffectiveCommandValue(node, "fontsize");2605		2606		return getLegacyFontSize(pixelSize);2607	}, relevantCssProperty: "fontSize"2608};2609function getLegacyFontSize(size) {2610	if (getLegacyFontSize.resultCache === undefined) {2611		getLegacyFontSize.resultCache = {};2612	}2613	if (getLegacyFontSize.resultCache[size] !== undefined) {2614		return getLegacyFontSize.resultCache[size];2615	}2616	2617	2618	2619	if (normalizeFontSize(size) !== null) {2620		return getLegacyFontSize.resultCache[size] = cssSizeToLegacy(normalizeFontSize(size));2621	}2622	if (["x-small", "x-small", "small", "medium", "large", "x-large", "xx-large", "xxx-large"].indexOf(size) == -12623	&& !/^[0-9]+(\.[0-9]+)?(cm|mm|in|pt|pc|px)$/.test(size)) {2624		2625		return getLegacyFontSize.resultCache[size] = null;2626	}2627	var font = document.createElement("font");2628	document.body.appendChild(font);2629	if (size == "xxx-large") {2630		font.size = 7;2631	} else {2632		font.style.fontSize = size;2633	}2634	var pixelSize = parseInt(getComputedStyle(font).fontSize);2635	document.body.removeChild(font);2636	2637	var returnedSize = 1;2638	2639	while (returnedSize < 7) {2640		2641		2642		var font = document.createElement("font");2643		font.size = returnedSize;2644		document.body.appendChild(font);2645		var lowerBound = parseInt(getComputedStyle(font).fontSize);2646		2647		2648		2649		font.size = 1 + returnedSize;2650		var upperBound = parseInt(getComputedStyle(font).fontSize);2651		document.body.removeChild(font);2652		2653		var average = (upperBound + lowerBound)/2;2654		2655		2656		if (pixelSize < average) {2657			return getLegacyFontSize.resultCache[size] = String(returnedSize);2658		}2659		2660		returnedSize++;2661	}2662	2663	return getLegacyFontSize.resultCache[size] = "7";2664}2665commands.forecolor = {2666	action: function(value) {2667		2668		2669		2670		2671		2672		2673		2674		if (/^([0-9a-fA-F]{3}){1,2}$/.test(value)) {2675			value = "#" + value;2676		}2677		if (!/^(rgba?|hsla?)\(.*\)$/.test(value)2678		&& !parseSimpleColor(value)2679		&& value.toLowerCase() != "transparent") {2680			return false;2681		}2682		2683		setSelectionValue("forecolor", value);2684		2685		return true;2686	}, standardInlineValueCommand: true, relevantCssProperty: "color",2687	equivalentValues: function(val1, val2) {2688		2689		2690		2691		return normalizeColor(val1) === normalizeColor(val2);2692	},2693};2694commands.hilitecolor = {2695	2696	action: function(value) {2697		2698		2699		2700		2701		2702		2703		2704		if (/^([0-9a-fA-F]{3}){1,2}$/.test(value)) {2705			value = "#" + value;2706		}2707		if (!/^(rgba?|hsla?)\(.*\)$/.test(value)2708		&& !parseSimpleColor(value)2709		&& value.toLowerCase() != "transparent") {2710			return false;2711		}2712		2713		setSelectionValue("hilitecolor", value);2714		2715		return true;2716	}, indeterm: function() {2717		2718		2719		2720		return getAllEffectivelyContainedNodes(getActiveRange(), function(node) {2721			return isEditable(node) && node.nodeType == Node.TEXT_NODE;2722		}).map(function(node) {2723			return getEffectiveCommandValue(node, "hilitecolor");2724		}).filter(function(value, i, arr) {2725			return arr.slice(0, i).indexOf(value) == -1;2726		}).length >= 2;2727	}, standardInlineValueCommand: true, relevantCssProperty: "backgroundColor",2728	equivalentValues: function(val1, val2) {2729		2730		2731		2732		return normalizeColor(val1) === normalizeColor(val2);2733	},2734};2735commands.italic = {2736	action: function() {2737		2738		2739		2740		if (myQueryCommandState("italic")) {2741			setSelectionValue("italic", "normal");2742		} else {2743			setSelectionValue("italic", "italic");2744		}2745		return true;2746	}, inlineCommandActivatedValues: ["italic", "oblique"],2747	relevantCssProperty: "fontStyle"2748};2749commands.removeformat = {2750	action: function() {2751		2752		2753		2754		2755		2756		function isRemoveFormatCandidate(node) {2757			return isEditable(node)2758				&& isHtmlElement(node, ["abbr", "acronym", "b", "bdi", "bdo",2759				"big", "blink", "cite", "code", "dfn", "em", "font", "i",2760				"ins", "kbd", "mark", "nobr", "q", "s", "samp", "small",2761				"span", "strike", "strong", "sub", "sup", "tt", "u", "var"]);2762		}2763		2764		2765		var elementsToRemove = getAllEffectivelyContainedNodes(getActiveRange(), isRemoveFormatCandidate);2766		2767		elementsToRemove.forEach(function(element) {2768			2769			2770			2771			while (element.hasChildNodes()) {2772				movePreservingRanges(element.firstChild, element.parentNode, getNodeIndex(element));2773			}2774			2775			element.parentNode.removeChild(element);2776		});2777		2778		2779		2780		2781		2782		if (isEditable(getActiveRange().startContainer)2783		&& getActiveRange().startContainer.nodeType == Node.TEXT_NODE2784		&& getActiveRange().startOffset != 02785		&& getActiveRange().startOffset != getNodeLength(getActiveRange().startContainer)) {2786			2787			if (getActiveRange().startContainer == getActiveRange().endContainer) {2788				var newEnd = getActiveRange().endOffset - getActiveRange().startOffset;2789				var newNode = getActiveRange().startContainer.splitText(getActiveRange().startOffset);2790				getActiveRange().setStart(newNode, 0);2791				getActiveRange().setEnd(newNode, newEnd);2792			} else {2793				getActiveRange().setStart(getActiveRange().startContainer.splitText(getActiveRange().startOffset), 0);2794			}2795		}2796		2797		2798		2799		2800		if (isEditable(getActiveRange().endContainer)2801		&& getActiveRange().endContainer.nodeType == Node.TEXT_NODE2802		&& getActiveRange().endOffset != 02803		&& getActiveRange().endOffset != getNodeLength(getActiveRange().endContainer)) {2804			2805			2806			2807			2808			2809			var newStart = [getActiveRange().startContainer, getActiveRange().startOffset];2810			var newEnd = [getActiveRange().endContainer, getActiveRange().endOffset];2811			getActiveRange().setEnd(document.documentElement, 0);2812			newEnd[0].splitText(newEnd[1]);2813			getActiveRange().setStart(newStart[0], newStart[1]);2814			getActiveRange().setEnd(newEnd[0], newEnd[1]);2815		}2816		2817		2818		2819		2820		2821		2822		getAllEffectivelyContainedNodes(getActiveRange(), isEditable).forEach(function(node) {2823			while (isRemoveFormatCandidate(node.parentNode)2824			&& inSameEditingHost(node.parentNode, node)) {2825				splitParent([node]);2826			}2827		});2828		2829		2830		[2831			"subscript",2832			"bold",2833			"fontname",2834			"fontsize",2835			"forecolor",2836			"hilitecolor",2837			"italic",2838			"strikethrough",2839			"underline",2840		].forEach(function(command) {2841			setSelectionValue(command, null);2842		});2843		2844		return true;2845	}2846};2847commands.strikethrough = {2848	action: function() {2849		2850		2851		2852		if (myQueryCommandState("strikethrough")) {2853			setSelectionValue("strikethrough", null);2854		} else {2855			setSelectionValue("strikethrough", "line-through");2856		}2857		return true;2858	}, inlineCommandActivatedValues: ["line-through"]2859};2860commands.subscript = {2861	action: function() {2862		2863		var state = myQueryCommandState("subscript");2864		2865		setSelectionValue("subscript", null);2866		2867		if (!state) {2868			setSelectionValue("subscript", "subscript");2869		}2870		2871		return true;2872	}, indeterm: function() {2873		2874		2875		2876		2877		2878		2879		var nodes = getAllEffectivelyContainedNodes(getActiveRange(), isFormattableNode);2880		return (nodes.some(function(node) { return getEffectiveCommandValue(node, "subscript") == "subscript" })2881			&& nodes.some(function(node) { return getEffectiveCommandValue(node, "subscript") != "subscript" }))2882			|| nodes.some(function(node) { return getEffectiveCommandValue(node, "subscript") == "mixed" });2883	}, inlineCommandActivatedValues: ["subscript"],2884};2885commands.superscript = {2886	action: function() {2887		2888		2889		var state = myQueryCommandState("superscript");2890		2891		setSelectionValue("superscript", null);2892		2893		if (!state) {2894			setSelectionValue("superscript", "superscript");2895		}2896		2897		return true;2898	}, indeterm: function() {2899		2900		2901		2902		2903		2904		2905		var nodes = getAllEffectivelyContainedNodes(getActiveRange(), isFormattableNode);2906		return (nodes.some(function(node) { return getEffectiveCommandValue(node, "superscript") == "superscript" })2907			&& nodes.some(function(node) { return getEffectiveCommandValue(node, "superscript") != "superscript" }))2908			|| nodes.some(function(node) { return getEffectiveCommandValue(node, "superscript") == "mixed" });2909	}, inlineCommandActivatedValues: ["superscript"],2910};2911commands.underline = {2912	action: function() {2913		2914		2915		2916		if (myQueryCommandState("underline")) {2917			setSelectionValue("underline", null);2918		} else {2919			setSelectionValue("underline", "underline");2920		}2921		return true;2922	}, inlineCommandActivatedValues: ["underline"]2923};2924commands.unlink = {2925	action: function() {2926		2927		2928		2929		2930		2931		2932		var range = getActiveRange();2933		var hyperlinks = [];2934		for (2935			var node = range.startContainer;2936			node;2937			node = node.parentNode2938		) {2939			if (isHtmlElement(node, "A")2940			&& node.hasAttribute("href")) {2941				hyperlinks.unshift(node);2942			}2943		}2944		for (2945			var node = range.startContainer;2946			node != nextNodeDescendants(range.endContainer);2947			node = nextNode(node)2948		) {2949			if (isHtmlElement(node, "A")2950			&& node.hasAttribute("href")2951			&& (isContained(node, range)2952			|| isAncestor(node, range.endContainer)2953			|| node == range.endContainer)) {2954				hyperlinks.push(node);2955			}2956		}2957		2958		for (var i = 0; i < hyperlinks.length; i++) {2959			clearValue(hyperlinks[i], "unlink");2960		}2961		2962		return true;2963	}2964};2965function isIndentationElement(node) {2966	if (!isHtmlElement(node)) {2967		return false;2968	}2969	if (node.tagName == "BLOCKQUOTE") {2970		return true;2971	}2972	if (node.tagName != "DIV") {2973		return false;2974	}2975	for (var i = 0; i < node.style.length; i++) {2976		2977		if (/^(-[a-z]+-)?margin/.test(node.style[i])) {2978			return true;2979		}2980	}2981	return false;2982}2983function isSimpleIndentationElement(node) {2984	if (!isIndentationElement(node)) {2985		return false;2986	}2987	for (var i = 0; i < node.attributes.length; i++) {2988		if (!isHtmlNamespace(node.attributes[i].namespaceURI)2989		|| ["style", "dir"].indexOf(node.attributes[i].name) == -1) {2990			return false;2991		}2992	}2993	for (var i = 0; i < node.style.length; i++) {2994		2995		if (!/^(-[a-z]+-)?(margin|border|padding)/.test(node.style[i])) {2996			return false;2997		}2998	}2999	return true;3000}3001function isNonListSingleLineContainer(node) {3002	return isHtmlElement(node, ["address", "div", "h1", "h2", "h3", "h4", "h5",3003		"h6", "listing", "p", "pre", "xmp"]);3004}3005function isSingleLineContainer(node) {3006	return isNonListSingleLineContainer(node)3007		|| isHtmlElement(node, ["li", "dt", "dd"]);3008}3009function getBlockNodeOf(node) {3010	3011	while (isInlineNode(node)) {3012		node = node.parentNode;3013	}3014	3015	return node;3016}3017function fixDisallowedAncestors(node) {3018	3019	if (!isEditable(node)) {3020		return;3021	}3022	3023	3024	if (getAncestors(node).every(function(ancestor) {3025		return !inSameEditingHost(node, ancestor)3026			|| !isAllowedChild(node, ancestor)3027	})) {3028		3029		3030		3031		3032		3033		if (isHtmlElement(node, ["dd", "dt"])) {3034			wrap([node],3035				function(sibling) { return isHtmlElement(sibling, "dl") && !sibling.attributes.length },3036				function() { return document.createElement("dl") });3037			return;3038		}3039		3040		3041		if (!isAllowedChild("p", getEditingHostOf(node))) {3042			return;3043		}3044		3045		if (!isProhibitedParagraphChild(node)) {3046			return;3047		}3048		3049		3050		node = setTagName(node, defaultSingleLineContainerName);3051		3052		fixDisallowedAncestors(node);3053		3054		var children = [].slice.call(node.childNodes);3055		3056		3057		children.filter(isProhibitedParagraphChild)3058		.forEach(function(child) {3059			3060			3061			var values = recordValues([child]);3062			3063			splitParent([child]);3064			3065			restoreValues(values);3066		});3067		3068		return;3069	}3070	3071	3072	var values = recordValues([node]);3073	3074	3075	while (!isAllowedChild(node, node.parentNode)) {3076		splitParent([node]);3077	}3078	3079	restoreValues(values);3080}3081function normalizeSublists(item) {3082	3083	3084	if (!isHtmlElement(item, "LI")3085	|| !isEditable(item)3086	|| !isEditable(item.parentNode)) {3087		return;3088	}3089	3090	var newItem = null;3091	3092	while ([].some.call(item.childNodes, function (node) { return isHtmlElement(node, ["OL", "UL"]) })) {3093		3094		var child = item.lastChild;3095		3096		3097		if (isHtmlElement(child, ["OL", "UL"])3098		|| (!newItem && child.nodeType == Node.TEXT_NODE && /^[ \t\n\f\r]*$/.test(child.data))) {3099			3100			newItem = null;3101			3102			3103			movePreservingRanges(child, item.parentNode, 1 + getNodeIndex(item));3104		3105		} else {3106			3107			3108			3109			if (!newItem) {3110				newItem = item.ownerDocument.createElement("li");3111				item.parentNode.insertBefore(newItem, item.nextSibling);3112			}3113			3114			3115			movePreservingRanges(child, newItem, 0);3116		}3117	}3118}3119function getSelectionListState() {3120	3121	if (!getActiveRange()) {3122		return "none";3123	}3124	3125	var newRange = blockExtend(getActiveRange());3126	3127	3128	3129	3130	3131	3132	var nodeList = getContainedNodes(newRange, function(node) {3133		return isEditable(node)3134			&& !isIndentationElement(node)3135			&& (isHtmlElement(node, ["ol", "ul"])3136			|| isHtmlElement(node.parentNode, ["ol", "ul"])3137			|| isAllowedChild(node, "li"));3138	});3139	3140	if (!nodeList.length) {3141		return "none";3142	}3143	3144	3145	3146	if (nodeList.every(function(node) {3147		return isHtmlElement(node, "ol")3148			|| isHtmlElement(node.parentNode, "ol")3149			|| (isHtmlElement(node.parentNode, "li") && isHtmlElement(node.parentNode.parentNode, "ol"));3150	})3151	&& !nodeList.some(function(node) { return isHtmlElement(node, "ul") || ("querySelector" in node && node.querySelector("ul")) })) {3152		return "ol";3153	}3154	3155	3156	3157	if (nodeList.every(function(node) {3158		return isHtmlElement(node, "ul")3159			|| isHtmlElement(node.parentNode, "ul")3160			|| (isHtmlElement(node.parentNode, "li") && isHtmlElement(node.parentNode.parentNode, "ul"));3161	})3162	&& !nodeList.some(function(node) { return isHtmlElement(node, "ol") || ("querySelector" in node && node.querySelector("ol")) })) {3163		return "ul";3164	}3165	var hasOl = nodeList.some(function(node) {3166		return isHtmlElement(node, "ol")3167			|| isHtmlElement(node.parentNode, "ol")3168			|| ("querySelector" in node && node.querySelector("ol"))3169			|| (isHtmlElement(node.parentNode, "li") && isHtmlElement(node.parentNode.parentNode, "ol"));3170	});3171	var hasUl = nodeList.some(function(node) {3172		return isHtmlElement(node, "ul")3173			|| isHtmlElement(node.parentNode, "ul")3174			|| ("querySelector" in node && node.querySelector("ul"))3175			|| (isHtmlElement(node.parentNode, "li") && isHtmlElement(node.parentNode.parentNode, "ul"));3176	});3177	3178	3179	3180	3181	if (hasOl && hasUl) {3182		return "mixed";3183	}3184	3185	3186	if (hasOl) {3187		return "mixed ol";3188	}3189	3190	3191	if (hasUl) {3192		return "mixed ul";3193	}3194	3195	return "none";3196}3197function getAlignmentValue(node) {3198	3199	3200	3201	while ((node && node.nodeType != Node.ELEMENT_NODE)3202	|| (node.nodeType == Node.ELEMENT_NODE3203	&& ["inline", "none"].indexOf(getComputedStyle(node).display) != -1)) {3204		node = node.parentNode;3205	}3206	3207	if (!node || node.nodeType != Node.ELEMENT_NODE) {3208		return "left";3209	}3210	var resolvedValue = getComputedStyle(node).textAlign3211		3212		.replace(/^-(moz|webkit)-/, "")3213		.replace(/^auto$/, "start");3214	3215	3216	if (resolvedValue == "start") {3217		return getDirectionality(node) == "ltr" ? "left" : "right";3218	}3219	3220	3221	if (resolvedValue == "end") {3222		return getDirectionality(node) == "ltr" ? "right" : "left";3223	}3224	3225	3226	if (["center", "justify", "left", "right"].indexOf(resolvedValue) != -1) {3227		return resolvedValue;3228	}3229	3230	return "left";3231}3232function getNextEquivalentPoint(node, offset) {3233	3234	if (getNodeLength(node) == 0) {3235		return null;3236	}3237	3238	3239	if (offset == getNodeLength(node)3240	&& node.parentNode3241	&& isInlineNode(node)) {3242		return [node.parentNode, 1 + getNodeIndex(node)];3243	}3244	3245	3246	if (0 <= offset3247	&& offset < node.childNodes.length3248	&& getNodeLength(node.childNodes[offset]) != 03249	&& isInlineNode(node.childNodes[offset])) {3250		return [node.childNodes[offset], 0];3251	}3252	3253	return null;3254}3255function getPreviousEquivalentPoint(node, offset) {3256	3257	if (getNodeLength(node) == 0) {3258		return null;3259	}3260	3261	3262	if (offset == 03263	&& node.parentNode3264	&& isInlineNode(node)) {3265		return [node.parentNode, getNodeIndex(node)];3266	}3267	3268	3269	3270	if (0 <= offset - 13271	&& offset - 1 < node.childNodes.length3272	&& getNodeLength(node.childNodes[offset - 1]) != 03273	&& isInlineNode(node.childNodes[offset - 1])) {3274		return [node.childNodes[offset - 1], getNodeLength(node.childNodes[offset - 1])];3275	}3276	3277	return null;3278}3279function getFirstEquivalentPoint(node, offset) {3280	3281	3282	var prev;3283	while (prev = getPreviousEquivalentPoint(node, offset)) {3284		node = prev[0];3285		offset = prev[1];3286	}3287	3288	return [node, offset];3289}3290function getLastEquivalentPoint(node, offset) {3291	3292	3293	var next;3294	while (next = getNextEquivalentPoint(node, offset)) {3295		node = next[0];3296		offset = next[1];3297	}3298	3299	return [node, offset];3300}3301function isBlockStartPoint(node, offset) {3302	return (!node.parentNode && offset == 0)3303		|| (0 <= offset - 13304		&& offset - 1 < node.childNodes.length3305		&& isVisible(node.childNodes[offset - 1])3306		&& (isBlockNode(node.childNodes[offset - 1])3307		|| isHtmlElement(node.childNodes[offset - 1], "br")));3308}3309function isBlockEndPoint(node, offset) {3310	return (!node.parentNode && offset == getNodeLength(node))3311		|| (offset < node.childNodes.length3312		&& isVisible(node.childNodes[offset])3313		&& isBlockNode(node.childNodes[offset]));3314}3315function isBlockBoundaryPoint(node, offset) {3316	return isBlockStartPoint(node, offset)3317		|| isBlockEndPoint(node, offset);3318}3319function blockExtend(range) {3320	3321	3322	var startNode = range.startContainer;3323	var startOffset = range.startOffset;3324	var endNode = range.endContainer;3325	var endOffset = range.endOffset;3326	3327	3328	3329	var liAncestors = getAncestors(startNode).concat(startNode)3330		.filter(function(ancestor) { return isHtmlElement(ancestor, "li") })3331		.slice(-1);3332	if (liAncestors.length) {3333		startOffset = getNodeIndex(liAncestors[0]);3334		startNode = liAncestors[0].parentNode;3335	}3336	3337	3338	if (!isBlockStartPoint(startNode, startOffset)) do {3339		3340		3341		if (startOffset == 0) {3342			startOffset = getNodeIndex(startNode);3343			startNode = startNode.parentNode;3344		3345		} else {3346			startOffset--;3347		}3348		3349		3350	} while (!isBlockBoundaryPoint(startNode, startOffset));3351	3352	3353	while (startOffset == 03354	&& startNode.parentNode) {3355		startOffset = getNodeIndex(startNode);3356		startNode = startNode.parentNode;3357	}3358	3359	3360	3361	var liAncestors = getAncestors(endNode).concat(endNode)3362		.filter(function(ancestor) { return isHtmlElement(ancestor, "li") })3363		.slice(-1);3364	if (liAncestors.length) {3365		endOffset = 1 + getNodeIndex(liAncestors[0]);3366		endNode = liAncestors[0].parentNode;3367	}3368	3369	3370	if (!isBlockEndPoint(endNode, endOffset)) do {3371		3372		3373		if (endOffset == getNodeLength(endNode)) {3374			endOffset = 1 + getNodeIndex(endNode);3375			endNode = endNode.parentNode;3376		3377		} else {3378			endOffset++;3379		}3380		3381		3382	} while (!isBlockBoundaryPoint(endNode, endOffset));3383	3384	3385	3386	while (endOffset == getNodeLength(endNode)3387	&& endNode.parentNode) {3388		endOffset = 1 + getNodeIndex(endNode);3389		endNode = endNode.parentNode;3390	}3391	3392	3393	var newRange = startNode.ownerDocument.createRange();3394	newRange.setStart(startNode, startOffset);3395	newRange.setEnd(endNode, endOffset);3396	3397	return newRange;3398}3399function followsLineBreak(node) {3400	3401	var offset = 0;3402	3403	while (!isBlockBoundaryPoint(node, offset)) {3404		3405		3406		if (0 <= offset - 13407		&& offset - 1 < node.childNodes.length3408		&& isVisible(node.childNodes[offset - 1])) {3409			return false;3410		}3411		3412		3413		if (offset == 03414		|| !node.hasChildNodes()) {3415			offset = getNodeIndex(node);3416			node = node.parentNode;3417		3418		3419		} else {3420			node = node.childNodes[offset - 1];3421			offset = getNodeLength(node);3422		}3423	}3424	3425	return true;3426}3427function precedesLineBreak(node) {3428	3429	var offset = getNodeLength(node);3430	3431	while (!isBlockBoundaryPoint(node, offset)) {3432		3433		if (offset < node.childNodes.length3434		&& isVisible(node.childNodes[offset])) {3435			return false;3436		}3437		3438		3439		if (offset == getNodeLength(node)3440		|| !node.hasChildNodes()) {3441			offset = 1 + getNodeIndex(node);3442			node = node.parentNode;3443		3444		3445		} else {3446			node = node.childNodes[offset];3447			offset = 0;3448		}3449	}3450	3451	return true;3452}3453function recordCurrentOverrides() {3454	3455	3456	var overrides = [];3457	3458	3459	if (getValueOverride("createlink") !== undefined) {3460		overrides.push(["createlink", getValueOverride("createlink")]);3461	}3462	3463	3464	3465	3466	["bold", "italic", "strikethrough", "subscript", "superscript",3467	"underline"].forEach(function(command) {3468		if (getStateOverride(command) !== undefined) {3469			overrides.push([command, getStateOverride(command)]);3470		}3471	});3472	3473	3474	3475	["fontname", "fontsize", "forecolor",3476	"hilitecolor"].forEach(function(command) {3477		if (getValueOverride(command) !== undefined) {3478			overrides.push([command, getValueOverride(command)]);3479		}3480	});3481	3482	return overrides;3483}3484function recordCurrentStatesAndValues() {3485	3486	3487	var overrides = [];3488	3489	3490	var node = getAllEffectivelyContainedNodes(getActiveRange())3491		.filter(isFormattableNode)[0];3492	3493	if (!node) {3494		return overrides;3495	}3496	3497	3498	overrides.push(["createlink", getEffectiveCommandValue(node, "createlink")]);3499	3500	3501	3502	3503	3504	["bold", "italic", "strikethrough", "subscript", "superscript",3505	"underline"].forEach(function(command) {3506		if (commands[command].inlineCommandActivatedValues3507		.indexOf(getEffectiveCommandValue(node, command)) != -1) {3508			overrides.push([command, true]);3509		} else {3510			overrides.push([command, false]);3511		}3512	});3513	3514	3515	["fontname", "fontsize", "forecolor", "hilitecolor"].forEach(function(command) {3516		overrides.push([command, commands[command].value()]);3517	});3518	3519	3520	overrides.push(["fontsize", getEffectiveCommandValue(node, "fontsize")]);3521	3522	return overrides;3523}3524function restoreStatesAndValues(overrides) {3525	3526	3527	var node = getAllEffectivelyContainedNodes(getActiveRange())3528		.filter(isFormattableNode)[0];3529	3530	3531	if (node) {3532		for (var i = 0; i < overrides.length; i++) {3533			var command = overrides[i][0];3534			var override = overrides[i][1];3535			3536			3537			3538			if (typeof override == "boolean"3539			&& myQueryCommandState(command) != override) {3540				commands[command].action("");3541			3542			3543			3544			3545			} else if (typeof override == "string"3546			&& command != "createlink"3547			&& command != "fontsize"3548			&& !areEquivalentValues(command, myQueryCommandValue(command), override)) {3549				commands[command].action(override);3550			3551			3552			3553			3554			3555			3556			} else if (typeof override == "string"3557			&& command == "createlink"3558			&& (3559				(3560					getValueOverride("createlink") !== undefined3561					&& getValueOverride("createlink") !== override3562				) || (3563					getValueOverride("createlink") === undefined3564					&& getEffectiveCommandValue(node, "createlink") !== override3565				)3566			)) {3567				commands.createlink.action(override);3568			3569			3570			3571			3572			3573			} else if (typeof override == "string"3574			&& command == "fontsize"3575			&& (3576				(3577					getValueOverride("fontsize") !== undefined3578					&& getValueOverride("fontsize") !== override3579				) || (3580					getValueOverride("fontsize") === undefined3581					&& !areLooselyEquivalentValues(command, getEffectiveCommandValue(node, "fontsize"), override)3582				)3583			)) {3584				3585				3586				override = getLegacyFontSize(override);3587				3588				3589				commands.fontsize.action(override);3590			3591			} else {3592				continue;3593			}3594			3595			3596			node = getAllEffectivelyContainedNodes(getActiveRange())3597				.filter(isFormattableNode)[0]3598				|| node;3599		}3600	3601	} else {3602		for (var i = 0; i < overrides.length; i++) {3603			var command = overrides[i][0];3604			var override = overrides[i][1];3605			3606			3607			if (typeof override == "boolean") {3608				setStateOverride(command, override);3609			}3610			3611			3612			if (typeof override == "string") {3613				setValueOverride(command, override);3614			}3615		}3616	}3617}3618function deleteSelection(flags) {3619	if (flags === undefined) {3620		flags = {};3621	}3622	var blockMerging = "blockMerging" in flags ? Boolean(flags.blockMerging) : true;3623	var stripWrappers = "stripWrappers" in flags ? Boolean(flags.stripWrappers) : true;3624	var direction = "direction" in flags ? flags.direction : "forward";3625	3626	if (!getActiveRange()) {3627		return;3628	}3629	3630	canonicalizeWhitespace(getActiveRange().startContainer, getActiveRange().startOffset);3631	3632	canonicalizeWhitespace(getActiveRange().endContainer, getActiveRange().endOffset);3633	3634	3635	var start = getLastEquivalentPoint(getActiveRange().startContainer, getActiveRange().startOffset);3636	var startNode = start[0];3637	var startOffset = start[1];3638	3639	3640	var end = getFirstEquivalentPoint(getActiveRange().endContainer, getActiveRange().endOffset);3641	var endNode = end[0];3642	var endOffset = end[1];3643	3644	if (getPosition(endNode, endOffset, startNode, startOffset) !== "after") {3645		3646		3647		3648		3649		3650		3651		3652		3653		3654		3655		if (direction == "forward") {3656			if (getSelection().rangeCount) {3657				getSelection().collapseToStart();3658			}3659			getActiveRange().collapse(true);3660		3661		} else {3662			getSelection().collapseToEnd();3663			getActiveRange().collapse(false);3664		}3665		3666		return;3667	}3668	3669	3670	if (startNode.nodeType == Node.TEXT_NODE3671	&& startOffset == 0) {3672		startOffset = getNodeIndex(startNode);3673		startNode = startNode.parentNode;3674	}3675	3676	3677	if (endNode.nodeType == Node.TEXT_NODE3678	&& endOffset == getNodeLength(endNode)) {3679		endOffset = 1 + getNodeIndex(endNode);3680		endNode = endNode.parentNode;3681	}3682	3683	3684	getSelection().collapse(startNode, startOffset);3685	getActiveRange().setStart(startNode, startOffset);3686	3687	getSelection().extend(endNode, endOffset);3688	getActiveRange().setEnd(endNode, endOffset);3689	3690	var startBlock = getActiveRange().startContainer;3691	3692	3693	while (inSameEditingHost(startBlock, startBlock.parentNode)3694	&& isInlineNode(startBlock)) {3695		startBlock = startBlock.parentNode;3696	}3697	3698	3699	3700	if ((!isBlockNode(startBlock) && !isEditingHost(startBlock))3701	|| !isAllowedChild("span", startBlock)3702	|| isHtmlElement(startBlock, ["td", "th"])) {3703		startBlock = null;3704	}3705	3706	var endBlock = getActiveRange().endContainer;3707	3708	3709	while (inSameEditingHost(endBlock, endBlock.parentNode)3710	&& isInlineNode(endBlock)) {3711		endBlock = endBlock.parentNode;3712	}3713	3714	3715	3716	if ((!isBlockNode(endBlock) && !isEditingHost(endBlock))3717	|| !isAllowedChild("span", endBlock)3718	|| isHtmlElement(endBlock, ["td", "th"])) {3719		endBlock = null;3720	}3721	3722	var overrides = recordCurrentStatesAndValues();3723	3724	3725	if (startNode == endNode3726	&& isEditable(startNode)3727	&& startNode.nodeType == Node.TEXT_NODE) {3728		3729		3730		startNode.deleteData(startOffset, endOffset - startOffset);3731		3732		3733		canonicalizeWhitespace(startNode, startOffset, false);3734		3735		3736		if (direction == "forward") {3737			if (getSelection().rangeCount) {3738				getSelection().collapseToStart();3739			}3740			getActiveRange().collapse(true);3741		3742		} else {3743			getSelection().collapseToEnd();3744			getActiveRange().collapse(false);3745		}3746		3747		restoreStatesAndValues(overrides);3748		3749		return;3750	}3751	3752	3753	3754	if (isEditable(startNode)3755	&& startNode.nodeType == Node.TEXT_NODE) {3756		startNode.deleteData(startOffset, getNodeLength(startNode) - startOffset);3757	}3758	3759	3760	3761	3762	3763	var nodeList = getContainedNodes(getActiveRange(),3764		function(node) {3765			return isEditable(node)3766				&& !isHtmlElement(node, ["thead", "tbody", "tfoot", "tr", "th", "td"]);3767		}3768	);3769	3770	for (var i = 0; i < nodeList.length; i++) {3771		var node = nodeList[i];3772		3773		var parent_ = node.parentNode;3774		3775		parent_.removeChild(node);3776		3777		3778		3779		if (![].some.call(getBlockNodeOf(parent_).childNodes, isVisible)3780		&& (isEditable(parent_) || isEditingHost(parent_))) {3781			parent_.appendChild(document.createElement("br"));3782		}3783		3784		3785		3786		3787		if (stripWrappers3788		|| (!isAncestor(parent_, startNode) && parent_ != startNode)) {3789			while (isEditable(parent_)3790			&& isInlineNode(parent_)3791			&& getNodeLength(parent_) == 0) {3792				var grandparent = parent_.parentNode;3793				grandparent.removeChild(parent_);3794				parent_ = grandparent;3795			}3796		}3797	}3798	3799	3800	if (isEditable(endNode)3801	&& endNode.nodeType == Node.TEXT_NODE) {3802		endNode.deleteData(0, endOffset);3803	}3804	3805	3806	canonicalizeWhitespace(getActiveRange().startContainer, getActiveRange().startOffset, false);3807	3808	3809	canonicalizeWhitespace(getActiveRange().endContainer, getActiveRange().endOffset, false);3810	3811	3812	3813	if (!blockMerging3814	|| !startBlock3815	|| !endBlock3816	|| !inSameEditingHost(startBlock, endBlock)3817	|| startBlock == endBlock) {3818		3819		3820		if (direction == "forward") {3821			if (getSelection().rangeCount) {3822				getSelection().collapseToStart();3823			}3824			getActiveRange().collapse(true);3825		3826		} else {3827			if (getSelection().rangeCount) {3828				getSelection().collapseToEnd();3829			}3830			getActiveRange().collapse(false);3831		}3832		3833		restoreStatesAndValues(overrides);3834		3835		return;3836	}3837	3838	3839	if (startBlock.children.length == 13840	&& isCollapsedBlockProp(startBlock.firstChild)) {3841		startBlock.removeChild(startBlock.firstChild);3842	}3843	3844	if (isAncestor(startBlock, endBlock)) {3845		3846		var referenceNode = endBlock;3847		3848		3849		while (referenceNode.parentNode != startBlock) {3850			referenceNode = referenceNode.parentNode;3851		}3852		3853		3854		3855		getSelection().collapse(startBlock, getNodeIndex(referenceNode));3856		getActiveRange().setStart(startBlock, getNodeIndex(referenceNode));3857		getActiveRange().collapse(true);3858		3859		if (!endBlock.hasChildNodes()) {3860			3861			3862			3863			3864			while (isEditable(endBlock)3865			&& endBlock.parentNode.childNodes.length == 13866			&& endBlock.parentNode != startBlock) {3867				var parent_ = endBlock;3868				parent_.removeChild(endBlock);3869				endBlock = parent_;3870			}3871			3872			3873			3874			3875			if (isEditable(endBlock)3876			&& !isInlineNode(endBlock)3877			&& isInlineNode(endBlock.previousSibling)3878			&& isInlineNode(endBlock.nextSibling)) {3879				endBlock.parentNode.insertBefore(document.createElement("br"), endBlock.nextSibling);3880			}3881			3882			if (isEditable(endBlock)) {3883				endBlock.parentNode.removeChild(endBlock);3884			}3885			3886			restoreStatesAndValues(overrides);3887			3888			return;3889		}3890		3891		3892		if (!isInlineNode(endBlock.firstChild)) {3893			restoreStatesAndValues(overrides);3894			return;3895		}3896		3897		var children = [];3898		3899		children.push(endBlock.firstChild);3900		3901		3902		3903		while (!isHtmlElement(children[children.length - 1], "br")3904		&& isInlineNode(children[children.length - 1].nextSibling)) {3905			children.push(children[children.length - 1].nextSibling);3906		}3907		3908		var values = recordValues(children);3909		3910		3911		while (children[0].parentNode != startBlock) {3912			splitParent(children);3913		}3914		3915		3916		if (isEditable(children[0].previousSibling)3917		&& isHtmlElement(children[0].previousSibling, "br")) {3918			children[0].parentNode.removeChild(children[0].previousSibling);3919		}3920	3921	} else if (isDescendant(startBlock, endBlock)) {3922		3923		3924		getSelection().collapse(startBlock, getNodeLength(startBlock));3925		getActiveRange().setStart(startBlock, getNodeLength(startBlock));3926		getActiveRange().collapse(true);3927		3928		var referenceNode = startBlock;3929		3930		3931		while (referenceNode.parentNode != endBlock) {3932			referenceNode = referenceNode.parentNode;3933		}3934		3935		3936		if (isInlineNode(referenceNode.nextSibling)3937		&& isHtmlElement(startBlock.lastChild, "br")) {3938			startBlock.removeChild(startBlock.lastChild);3939		}3940		3941		var nodesToMove = [];3942		3943		3944		if (referenceNode.nextSibling3945		&& !isBlockNode(referenceNode.nextSibling)) {3946			nodesToMove.push(referenceNode.nextSibling);3947		}3948		3949		3950		3951		if (nodesToMove.length3952		&& !isHtmlElement(nodesToMove[nodesToMove.length - 1], "br")3953		&& nodesToMove[nodesToMove.length - 1].nextSibling3954		&& !isBlockNode(nodesToMove[nodesToMove.length - 1].nextSibling)) {3955			nodesToMove.push(nodesToMove[nodesToMove.length - 1].nextSibling);3956		}3957		3958		var values = recordValues(nodesToMove);3959		3960		3961		nodesToMove.forEach(function(node) {3962			movePreservingRanges(node, startBlock, -1);3963		});3964	3965	} else {3966		3967		3968		getSelection().collapse(startBlock, getNodeLength(startBlock));3969		getActiveRange().setStart(startBlock, getNodeLength(startBlock));3970		getActiveRange().collapse(true);3971		3972		3973		if (isInlineNode(endBlock.firstChild)3974		&& isHtmlElement(startBlock.lastChild, "br")) {3975			startBlock.removeChild(startBlock.lastChild);3976		}3977		3978		3979		var values = recordValues([].slice.call(endBlock.childNodes));3980		3981		3982		while (endBlock.hasChildNodes()) {3983			movePreservingRanges(endBlock.firstChild, startBlock, -1);3984		}3985		3986		3987		3988		while (!endBlock.hasChildNodes()) {3989			var parent_ = endBlock.parentNode;3990			parent_.removeChild(endBlock);3991			endBlock = parent_;3992		}3993	}3994	3995	var ancestor = startBlock;3996	3997	3998	3999	4000	while (getInclusiveAncestors(ancestor).some(function(node) {4001		return inSameEditingHost(ancestor, node)4002			&& (4003				(isHtmlElement(node, "ol") && isHtmlElement(node.nextSibling, "ol"))4004				|| (isHtmlElement(node, "ul") && isHtmlElement(node.nextSibling, "ul"))4005			) && inSameEditingHost(ancestor, node.nextSibling);4006	})) {4007		4008		4009		4010		while (!(4011			isHtmlElement(ancestor, "ol")4012			&& isHtmlElement(ancestor.nextSibling, "ol")4013			&& inSameEditingHost(ancestor, ancestor.nextSibling)4014		) && !(4015			isHtmlElement(ancestor, "ul")4016			&& isHtmlElement(ancestor.nextSibling, "ul")4017			&& inSameEditingHost(ancestor, ancestor.nextSibling)4018		)) {4019			ancestor = ancestor.parentNode;4020		}4021		4022		4023		4024		while (ancestor.nextSibling.hasChildNodes()) {4025			movePreservingRanges(ancestor.nextSibling.firstChild, ancestor, -1);4026		}4027		4028		ancestor.parentNode.removeChild(ancestor.nextSibling);4029	}4030	4031	restoreValues(values);4032	4033	4034	if (!startBlock.hasChildNodes()) {4035		startBlock.appendChild(document.createElement("br"));4036	}4037	4038	removeExtraneousLineBreaksAtTheEndOf(startBlock);4039	4040	restoreStatesAndValues(overrides);4041}4042function splitParent(nodeList) {4043	4044	var originalParent = nodeList[0].parentNode;4045	4046	4047	if (!isEditable(originalParent)4048	|| !originalParent.parentNode) {4049		return;4050	}4051	4052	4053	if (nodeList.indexOf(originalParent.firstChild) != -1) {4054		removeExtraneousLineBreaksBefore(originalParent);4055	}4056	4057	4058	4059	var followsLineBreak_ = nodeList.indexOf(originalParent.firstChild) != -14060		&& followsLineBreak(originalParent);4061	4062	4063	4064	var precedesLineBreak_ = nodeList.indexOf(originalParent.lastChild) != -14065		&& precedesLineBreak(originalParent);4066	4067	4068	if (nodeList.indexOf(originalParent.firstChild) == -14069	&& nodeList.indexOf(originalParent.lastChild) != -1) {4070		4071		4072		4073		for (var i = nodeList.length - 1; i >= 0; i--) {4074			movePreservingRanges(nodeList[i], originalParent.parentNode, 1 + getNodeIndex(originalParent));4075		}4076		4077		4078		4079		4080		if (precedesLineBreak_4081		&& !precedesLineBreak(nodeList[nodeList.length - 1])) {4082			nodeList[nodeList.length - 1].parentNode.insertBefore(document.createElement("br"), nodeList[nodeList.length - 1].nextSibling);4083		}4084		4085		removeExtraneousLineBreaksAtTheEndOf(originalParent);4086		4087		return;4088	}4089	4090	if (nodeList.indexOf(originalParent.firstChild) == -1) {4091		4092		4093		var clonedParent = originalParent.cloneNode(false);4094		4095		originalParent.removeAttribute("id");4096		4097		4098		originalParent.parentNode.insertBefore(clonedParent, originalParent);4099		4100		4101		4102		while (nodeList[0].previousSibling) {4103			movePreservingRanges(originalParent.firstChild, clonedParent, clonedParent.childNodes.length);4104		}4105	}4106	4107	4108	for (var i = 0; i < nodeList.length; i++) {4109		movePreservingRanges(nodeList[i], originalParent.parentNode, getNodeIndex(originalParent));4110	}4111	4112	4113	4114	if (followsLineBreak_4115	&& !followsLineBreak(nodeList[0])) {4116		nodeList[0].parentNode.insertBefore(document.createElement("br"), nodeList[0]);4117	}4118	4119	4120	4121	4122	if (isInlineNode(nodeList[nodeList.length - 1])4123	&& !isHtmlElement(nodeList[nodeList.length - 1], "br")4124	&& isHtmlElement(originalParent.firstChild, "br")4125	&& !isInlineNode(originalParent)) {4126		originalParent.removeChild(originalParent.firstChild);4127	}4128	4129	if (!originalParent.hasChildNodes()) {4130		4131		originalParent.parentNode.removeChild(originalParent);4132		4133		4134		4135		4136		if (precedesLineBreak_4137		&& !precedesLineBreak(nodeList[nodeList.length - 1])) {4138			nodeList[nodeList.length - 1].parentNode.insertBefore(document.createElement("br"), nodeList[nodeList.length - 1].nextSibling);4139		}4140	4141	} else {4142		removeExtraneousLineBreaksBefore(originalParent);4143	}4144	4145	4146	4147	if (!nodeList[nodeList.length - 1].nextSibling4148	&& nodeList[nodeList.length - 1].parentNode) {4149		removeExtraneousLineBreaksAtTheEndOf(nodeList[nodeList.length - 1].parentNode);4150	}4151}4152function removePreservingDescendants(node) {4153	if (node.hasChildNodes()) {4154		splitParent([].slice.call(node.childNodes));4155	} else {4156		node.parentNode.removeChild(node);4157	}4158}4159function canonicalSpaceSequence(n, nonBreakingStart, nonBreakingEnd) {4160	4161	if (n == 0) {4162		return "";4163	}4164	4165	4166	if (n == 1 && !nonBreakingStart && !nonBreakingEnd) {4167		return " ";4168	}4169	4170	if (n == 1) {4171		return "\xa0";4172	}4173	4174	var buffer = "";4175	4176	4177	var repeatedPair;4178	if (nonBreakingStart) {4179		repeatedPair = "\xa0 ";4180	} else {4181		repeatedPair = " \xa0";4182	}4183	4184	4185	while (n > 3) {4186		buffer += repeatedPair;4187		n -= 2;4188	}4189	4190	4191	if (n == 3) {4192		buffer +=4193			!nonBreakingStart && !nonBreakingEnd ? " \xa0 "4194			: nonBreakingStart && !nonBreakingEnd ? "\xa0\xa0 "4195			: !nonBreakingStart && nonBreakingEnd ? " \xa0\xa0"4196			: nonBreakingStart && nonBreakingEnd ? "\xa0 \xa0"4197			: "impossible";4198	4199	4200	} else {4201		buffer +=4202			!nonBreakingStart && !nonBreakingEnd ? "\xa0 "4203			: nonBreakingStart && !nonBreakingEnd ? "\xa0 "4204			: !nonBreakingStart && nonBreakingEnd ? " \xa0"4205			: nonBreakingStart && nonBreakingEnd ? "\xa0\xa0"4206			: "impossible";4207	}4208	4209	return buffer;4210}4211function canonicalizeWhitespace(node, offset, fixCollapsedSpace) {4212	if (fixCollapsedSpace === undefined) {4213		4214		4215		fixCollapsedSpace = true;4216	}4217	4218	if (!isEditable(node) && !isEditingHost(node)) {4219		return;4220	}4221	4222	var startNode = node;4223	var startOffset = offset;4224	4225	while (true) {4226		4227		4228		4229		if (0 <= startOffset - 14230		&& inSameEditingHost(startNode, startNode.childNodes[startOffset - 1])) {4231			startNode = startNode.childNodes[startOffset - 1];4232			startOffset = getNodeLength(startNode);4233		4234		4235		4236		4237		} else if (startOffset == 04238		&& !followsLineBreak(startNode)4239		&& inSameEditingHost(startNode, startNode.parentNode)) {4240			startOffset = getNodeIndex(startNode);4241			startNode = startNode.parentNode;4242		4243		4244		4245		4246		4247		} else if (startNode.nodeType == Node.TEXT_NODE4248		&& ["pre", "pre-wrap"].indexOf(getComputedStyle(startNode.parentNode).whiteSpace) == -14249		&& startOffset != 04250		&& /[ \xa0]/.test(startNode.data[startOffset - 1])) {4251			startOffset--;4252		4253		} else {4254			break;4255		}4256	}4257	4258	var endNode = startNode;4259	var endOffset = startOffset;4260	4261	var length = 0;4262	4263	4264	var collapseSpaces = startOffset == 0 && followsLineBreak(startNode);4265	4266	while (true) {4267		4268		4269		if (endOffset < endNode.childNodes.length4270		&& inSameEditingHost(endNode, endNode.childNodes[endOffset])) {4271			endNode = endNode.childNodes[endOffset];4272			endOffset = 0;4273		4274		4275		4276		4277		} else if (endOffset == getNodeLength(endNode)4278		&& !precedesLineBreak(endNode)4279		&& inSameEditingHost(endNode, endNode.parentNode)) {4280			endOffset = 1 + getNodeIndex(endNode);4281			endNode = endNode.parentNode;4282		4283		4284		4285		4286		} else if (endNode.nodeType == Node.TEXT_NODE4287		&& ["pre", "pre-wrap"].indexOf(getComputedStyle(endNode.parentNode).whiteSpace) == -14288		&& endOffset != getNodeLength(endNode)4289		&& /[ \xa0]/.test(endNode.data[endOffset])) {4290			4291			4292			4293			4294			if (fixCollapsedSpace4295			&& collapseSpaces4296			&& " " == endNode.data[endOffset]) {4297				endNode.deleteData(endOffset, 1);4298				continue;4299			}4300			4301			4302			collapseSpaces = " " == endNode.data[endOffset];4303			4304			endOffset++;4305			4306			length++;4307		4308		} else {4309			break;4310		}4311	}4312	4313	4314	if (fixCollapsedSpace) {4315		while (getPosition(startNode, startOffset, endNode, endOffset) == "before") {4316			4317			4318			4319			if (0 <= endOffset - 14320			&& endOffset - 1 < endNode.childNodes.length4321			&& inSameEditingHost(endNode, endNode.childNodes[endOffset - 1])) {4322				endNode = endNode.childNodes[endOffset - 1];4323				endOffset = getNodeLength(endNode);4324			4325			4326			4327			} else if (endOffset == 04328			&& inSameEditingHost(endNode, endNode.parentNode)) {4329				endOffset = getNodeIndex(endNode);4330				endNode = endNode.parentNode;4331			4332			4333			4334			4335			} else if (endNode.nodeType == Node.TEXT_NODE4336			&& ["pre", "pre-wrap"].indexOf(getComputedStyle(endNode.parentNode).whiteSpace) == -14337			&& endOffset == getNodeLength(endNode)4338			&& endNode.data[endNode.data.length - 1] == " "4339			&& precedesLineBreak(endNode)) {4340				4341				endOffset--;4342				4343				length--;4344				4345				endNode.deleteData(endOffset, 1);4346			4347			} else {4348				break;4349			}4350		}4351	}4352	4353	4354	4355	4356	4357	var replacementWhitespace = canonicalSpaceSequence(length,4358		startOffset == 0 && followsLineBreak(startNode),4359		endOffset == getNodeLength(endNode) && precedesLineBreak(endNode));4360	4361	while (getPosition(startNode, startOffset, endNode, endOffset) == "before") {4362		4363		4364		if (startOffset < startNode.childNodes.length) {4365			startNode = startNode.childNodes[startOffset];4366			startOffset = 0;4367		4368		4369		4370		} else if (startNode.nodeType != Node.TEXT_NODE4371		|| startOffset == getNodeLength(startNode)) {4372			startOffset = 1 + getNodeIndex(startNode);4373			startNode = startNode.parentNode;4374		4375		} else {4376			4377			4378			var element = replacementWhitespace[0];4379			replacementWhitespace = replacementWhitespace.slice(1);4380			4381			4382			if (element != startNode.data[startOffset]) {4383				4384				startNode.insertData(startOffset, element);4385				4386				startNode.deleteData(startOffset + 1, 1);4387			}4388			4389			startOffset++;4390		}4391	}4392}4393function indentNodes(nodeList) {4394	4395	if (!nodeList.length) {4396		return;4397	}4398	4399	var firstNode = nodeList[0];4400	4401	if (isHtmlElement(firstNode.parentNode, ["OL", "UL"])) {4402		4403		var tag = firstNode.parentNode.tagName;4404		4405		4406		4407		4408		wrap(nodeList,4409			function(node) { return isHtmlElement(node, tag) },4410			function() { return firstNode.ownerDocument.createElement(tag) });4411		4412		return;4413	}4414	4415	4416	4417	4418	var newParent = wrap(nodeList,4419		function(node) { return isSimpleIndentationElement(node) },4420		function() { return firstNode.ownerDocument.createElement("blockquote") });4421	4422	fixDisallowedAncestors(newParent);4423}4424function outdentNode(node) {4425	4426	if (!isEditable(node)) {4427		return;4428	}4429	4430	4431	if (isSimpleIndentationElement(node)) {4432		removePreservingDescendants(node);4433		return;4434	}4435	4436	if (isIndentationElement(node)) {4437		4438		node.removeAttribute("dir");4439		4440		node.style.margin = "";4441		node.style.padding = "";4442		node.style.border = "";4443		if (node.getAttribute("style") == ""4444		4445		|| node.getAttribute("style") == "border-width: initial; border-color: initial; ") {4446			node.removeAttribute("style");4447		}4448		4449		setTagName(node, "div");4450		4451		return;4452	}4453	4454	var currentAncestor = node.parentNode;4455	4456	var ancestorList = [];4457	4458	4459	4460	while (isEditable(currentAncestor)4461	&& currentAncestor.nodeType == Node.ELEMENT_NODE4462	&& !isSimpleIndentationElement(currentAncestor)4463	&& !isHtmlElement(currentAncestor, ["ol", "ul"])) {4464		ancestorList.push(currentAncestor);4465		currentAncestor = currentAncestor.parentNode;4466	}4467	4468	if (!isEditable(currentAncestor)4469	|| !isSimpleIndentationElement(currentAncestor)) {4470		4471		currentAncestor = node.parentNode;4472		4473		ancestorList = [];4474		4475		4476		4477		while (isEditable(currentAncestor)4478		&& currentAncestor.nodeType == Node.ELEMENT_NODE4479		&& !isIndentationElement(currentAncestor)4480		&& !isHtmlElement(currentAncestor, ["ol", "ul"])) {4481			ancestorList.push(currentAncestor);4482			currentAncestor = currentAncestor.parentNode;4483		}4484	}4485	4486	4487	if (isHtmlElement(node, ["OL", "UL"])4488	&& (!isEditable(currentAncestor)4489	|| !isIndentationElement(currentAncestor))) {4490		4491		4492		node.removeAttribute("reversed");4493		node.removeAttribute("start");4494		node.removeAttribute("type");4495		4496		var children = [].slice.call(node.childNodes);4497		4498		4499		if (node.attributes.length4500		&& !isHtmlElement(node.parentNode, ["OL", "UL"])) {4501			setTagName(node, "div");4502		4503		} else {4504			4505			4506			var values = recordValues([].slice.call(node.childNodes));4507			4508			removePreservingDescendants(node);4509			4510			restoreValues(values);4511		}4512		4513		for (var i = 0; i < children.length; i++) {4514			fixDisallowedAncestors(children[i]);4515		}4516		4517		return;4518	}4519	4520	4521	if (!isEditable(currentAncestor)4522	|| !isIndentationElement(currentAncestor)) {4523		return;4524	}4525	4526	ancestorList.push(currentAncestor);4527	4528	var originalAncestor = currentAncestor;4529	4530	while (ancestorList.length) {4531		4532		4533		4534		currentAncestor = ancestorList.pop();4535		4536		4537		var target = node.parentNode == currentAncestor4538			? node4539			: ancestorList[ancestorList.length - 1];4540		4541		4542		if (isInlineNode(target)4543		&& !isHtmlElement(target, "BR")4544		&& isHtmlElement(target.nextSibling, "BR")) {4545			target.parentNode.removeChild(target.nextSibling);4546		}4547		4548		4549		var precedingSiblings = [].slice.call(currentAncestor.childNodes, 0, getNodeIndex(target));4550		var followingSiblings = [].slice.call(currentAncestor.childNodes, 1 + getNodeIndex(target));4551		4552		indentNodes(precedingSiblings);4553		4554		indentNodes(followingSiblings);4555	}4556	4557	outdentNode(originalAncestor);4558}4559function toggleLists(tagName) {4560	4561	4562	var mode = getSelectionListState() == tagName ? "disable" : "enable";4563	var range = getActiveRange();4564	tagName = tagName.toUpperCase();4565	4566	4567	var otherTagName = tagName == "OL" ? "UL" : "OL";4568	4569	4570	4571	4572	4573	var items = [];4574	(function(){4575		for (4576			var ancestorContainer = range.endContainer;4577			ancestorContainer != range.commonAncestorContainer;4578			ancestorContainer = ancestorContainer.parentNode4579		) {4580			if (isHtmlElement(ancestorContainer, "li")) {4581				items.unshift(ancestorContainer);4582			}4583		}4584		for (4585			var ancestorContainer = range.startContainer;4586			ancestorContainer;4587			ancestorContainer = ancestorContainer.parentNode4588		) {4589			if (isHtmlElement(ancestorContainer, "li")) {4590				items.unshift(ancestorContainer);4591			}4592		}4593	})();4594	4595	items.forEach(normalizeSublists);4596	4597	var newRange = blockExtend(range);4598	4599	4600	4601	if (mode == "enable") {4602		getAllContainedNodes(newRange, function(node) {4603			return isEditable(node)4604				&& isHtmlElement(node, otherTagName);4605		}).forEach(function(list) {4606			4607			4608			if ((isEditable(list.previousSibling) && isHtmlElement(list.previousSibling, tagName))4609			|| (isEditable(list.nextSibling) && isHtmlElement(list.nextSibling, tagName))) {4610				4611				var children = [].slice.call(list.childNodes);4612				4613				4614				var values = recordValues(children);4615				4616				splitParent(children);4617				4618				4619				wrap(children, function(node) { return isHtmlElement(node, tagName) });4620				4621				restoreValues(values);4622			4623			} else {4624				setTagName(list, tagName);4625			}4626		});4627	}4628	4629	4630	4631	4632	4633	4634	4635	var nodeList = getContainedNodes(newRange, function(node) {4636		return isEditable(node)4637		&& !isIndentationElement(node)4638		&& (isHtmlElement(node, ["OL", "UL"])4639		|| isHtmlElement(node.parentNode, ["OL", "UL"])4640		|| isAllowedChild(node, "li"));4641	});4642	4643	4644	if (mode == "enable") {4645		nodeList = nodeList.filter(function(node) {4646			return !isHtmlElement(node, ["ol", "ul"])4647				|| isHtmlElement(node.parentNode, ["ol", "ul"]);4648		});4649	}4650	4651	if (mode == "disable") {4652		while (nodeList.length) {4653			4654			var sublist = [];4655			4656			4657			sublist.push(nodeList.shift());4658			4659			4660			4661			if (isHtmlElement(sublist[0], tagName)) {4662				outdentNode(sublist[0]);4663				continue;4664			}4665			4666			4667			4668			4669			while (nodeList.length4670			&& nodeList[0] == sublist[sublist.length - 1].nextSibling4671			&& !isHtmlElement(nodeList[0], tagName)) {4672				sublist.push(nodeList.shift());4673			}4674			4675			var values = recordValues(sublist);4676			4677			splitParent(sublist);4678			4679			for (var i = 0; i < sublist.length; i++) {4680				fixDisallowedAncestors(sublist[i]);4681			}4682			4683			restoreValues(values);4684		}4685	4686	} else {4687		while (nodeList.length) {4688			4689			var sublist = [];4690			4691			4692			while (!sublist.length4693			|| (nodeList.length4694			&& nodeList[0] == sublist[sublist.length - 1].nextSibling)) {4695				4696				4697				4698				if (isHtmlElement(nodeList[0], ["p", "div"])) {4699					sublist.push(setTagName(nodeList[0], "li"));4700					nodeList.shift();4701				4702				4703				} else if (isHtmlElement(nodeList[0], ["li", "ol", "ul"])) {4704					sublist.push(nodeList.shift());4705				4706				} else {4707					4708					var nodesToWrap = [];4709					4710					4711					4712					4713					4714					4715					while (!nodesToWrap.length4716					|| (nodeList.length4717					&& nodeList[0] == nodesToWrap[nodesToWrap.length - 1].nextSibling4718					&& isInlineNode(nodeList[0])4719					&& isInlineNode(nodesToWrap[nodesToWrap.length - 1])4720					&& !isHtmlElement(nodesToWrap[nodesToWrap.length - 1], "br"))) {4721						nodesToWrap.push(nodeList.shift());4722					}4723					4724					4725					4726					sublist.push(wrap(nodesToWrap,4727						undefined,4728						function() { return document.createElement("li") }));4729				}4730			}4731			4732			4733			4734			if (isHtmlElement(sublist[0].parentNode, tagName)4735			|| sublist.every(function(node) { return isHtmlElement(node, ["ol", "ul"]) })) {4736				continue;4737			}4738			4739			4740			if (isHtmlElement(sublist[0].parentNode, otherTagName)) {4741				4742				4743				var values = recordValues(sublist);4744				4745				splitParent(sublist);4746				4747				4748				4749				4750				wrap(sublist,4751					function(node) { return isHtmlElement(node, tagName) },4752					function() { return document.createElement(tagName) });4753				4754				restoreValues(values);4755				4756				continue;4757			}4758			4759			4760			4761			4762			4763			fixDisallowedAncestors(wrap(sublist,4764				function(node) { return isHtmlElement(node, tagName) },4765				function() {4766					4767					4768					4769					4770					4771					if (!isEditable(sublist[0].parentNode)4772					|| !isSimpleIndentationElement(sublist[0].parentNode)4773					|| !isEditable(sublist[0].parentNode.previousSibling)4774					|| !isHtmlElement(sublist[0].parentNode.previousSibling, tagName)) {4775						return document.createElement(tagName);4776					}4777					4778					4779					var list = sublist[0].parentNode.previousSibling;4780					4781					normalizeSublists(list.lastChild);4782					4783					4784					4785					4786					if (!isEditable(list.lastChild)4787					|| !isHtmlElement(list.lastChild, tagName)) {4788						list.appendChild(document.createElement(tagName));4789					}4790					4791					return list.lastChild;4792				}4793			));4794		}4795	}4796}4797function justifySelection(alignment) {4798	4799	var newRange = blockExtend(globalRange);4800	4801	4802	4803	4804	var elementList = getAllContainedNodes(newRange, function(node) {4805		return node.nodeType == Node.ELEMENT_NODE4806			&& isEditable(node)4807			4808			&& (4809				node.hasAttribute("align")4810				|| node.style.textAlign != ""4811				|| isHtmlElement(node, "center")4812			);4813	});4814	4815	for (var i = 0; i < elementList.length; i++) {4816		var element = elementList[i];4817		4818		4819		element.removeAttribute("align");4820		4821		4822		element.style.textAlign = "";4823		if (element.getAttribute("style") == "") {4824			element.removeAttribute("style");4825		}4826		4827		4828		if (isHtmlElement(element, ["div", "span", "center"])4829		&& !element.attributes.length) {4830			removePreservingDescendants(element);4831		}4832		4833		4834		if (isHtmlElement(element, "center")4835		&& element.attributes.length) {4836			setTagName(element, "div");4837		}4838	}4839	4840	newRange = blockExtend(globalRange);4841	4842	var nodeList = [];4843	4844	4845	4846	4847	nodeList = getContainedNodes(newRange, function(node) {4848		return isEditable(node)4849			&& isAllowedChild(node, "div")4850			&& getAlignmentValue(node) != alignment;4851	});4852	4853	while (nodeList.length) {4854		4855		var sublist = [];4856		4857		sublist.push(nodeList.shift());4858		4859		4860		4861		while (nodeList.length4862		&& nodeList[0] == sublist[sublist.length - 1].nextSibling) {4863			sublist.push(nodeList.shift());4864		}4865		4866		4867		4868		4869		4870		4871		4872		4873		4874		4875		4876		4877		4878		wrap(sublist,4879			function(node) {4880				return isHtmlElement(node, "div")4881					&& [].every.call(node.attributes, function(attr) {4882						return (attr.name == "align" && attr.value.toLowerCase() == alignment)4883							|| (attr.name == "style" && node.style.length == 1 && node.style.textAlign == alignment);4884					});4885			},4886			function() {4887				var newParent = document.createElement("div");4888				newParent.setAttribute("style", "text-align: " + alignment);4889				return newParent;4890			}4891		);4892	}4893}4894var autolinkableUrlRegexp =4895	4896	4897	4898	4899	4900	"([a-zA-Z][a-zA-Z0-9+.-]*://|mailto:)"4901	4902	+ "[^ \t\n\f\r]*"4903	4904	+ "[^!\"'(),\\-.:;<>[\\]`{}]";4905var validEmailRegexp =4906	"[a-zA-Z0-9!#$%&'*+\\-/=?^_`{|}~.]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*";4907function autolink(node, endOffset) {4908	4909	4910	while (getPreviousEquivalentPoint(node, endOffset)) {4911		var prev = getPreviousEquivalentPoint(node, endOffset);4912		node = prev[0];4913		endOffset = prev[1];4914	}4915	4916	4917	if (node.nodeType != Node.TEXT_NODE4918	|| getAncestors(node).some(function(ancestor) { return isHtmlElement(ancestor, "a") })) {4919		return;4920	}4921	4922	4923	var search = /[^ \t\n\f\r]*$/.exec(node.substringData(0, endOffset))[0];4924	4925	if (new RegExp(autolinkableUrlRegexp).test(search)) {4926		4927		4928		while (!(new RegExp(autolinkableUrlRegexp + "$").test(node.substringData(0, endOffset)))) {4929			endOffset--;4930		}4931		4932		4933		var startOffset = new RegExp(autolinkableUrlRegexp + "$").exec(node.substringData(0, endOffset)).index;4934		4935		4936		var href = node.substringData(startOffset, endOffset - startOffset);4937	4938	} else if (new RegExp(validEmailRegexp).test(search)) {4939		4940		4941		while (!(new RegExp(validEmailRegexp + "$").test(node.substringData(0, endOffset)))) {4942			endOffset--;4943		}4944		4945		4946		var startOffset = new RegExp(validEmailRegexp + "$").exec(node.substringData(0, endOffset)).index;4947		4948		4949		var href = "mailto:" + node.substringData(startOffset, endOffset - startOffset);4950	4951	} else {4952		return;4953	}4954	4955	var originalRange = getActiveRange();4956	4957	4958	var newRange = document.createRange();4959	newRange.setStart(node, startOffset);4960	newRange.setEnd(node, endOffset);4961	getSelection().removeAllRanges();4962	getSelection().addRange(newRange);4963	globalRange = newRange;4964	4965	commands.createlink.action(href);4966	4967	getSelection().removeAllRanges();4968	getSelection().addRange(originalRange);4969	globalRange = originalRange;4970}4971commands["delete"] = {4972	preservesOverrides: true,4973	action: function() {4974		4975		4976		if (!getActiveRange().collapsed) {4977			deleteSelection();4978			return true;4979		}4980		4981		canonicalizeWhitespace(getActiveRange().startContainer, getActiveRange().startOffset);4982		4983		var node = getActiveRange().startContainer;4984		var offset = getActiveRange().startOffset;4985		4986		while (true) {4987			4988			4989			if (offset == 04990			&& isEditable(node.previousSibling)4991			&& isInvisible(node.previousSibling)) {4992				node.parentNode.removeChild(node.previousSibling);4993			4994			4995			4996			} else if (0 <= offset - 14997			&& offset - 1 < node.childNodes.length4998			&& isEditable(node.childNodes[offset - 1])4999			&& isInvisible(node.childNodes[offset - 1])) {5000				node.removeChild(node.childNodes[offset - 1]);5001				offset--;5002			5003			5004			5005			} else if ((offset == 05006			&& isInlineNode(node))5007			|| isInvisible(node)) {5008				offset = getNodeIndex(node);5009				node = node.parentNode;5010			5011			5012			5013			} else if (0 <= offset - 15014			&& offset - 1 < node.childNodes.length5015			&& isEditable(node.childNodes[offset - 1])5016			&& isHtmlElement(node.childNodes[offset - 1], "a")) {5017				removePreservingDescendants(node.childNodes[offset - 1]);5018				return true;5019			5020			5021			5022			} else if (0 <= offset - 15023			&& offset - 1 < node.childNodes.length5024			&& !isBlockNode(node.childNodes[offset - 1])5025			&& !isHtmlElement(node.childNodes[offset - 1], ["br", "img"])) {5026				node = node.childNodes[offset - 1];5027				offset = getNodeLength(node);5028			5029			} else {5030				break;5031			}5032		}5033		5034		5035		5036		if ((node.nodeType == Node.TEXT_NODE5037		&& offset != 0)5038		|| (isBlockNode(node)5039		&& 0 <= offset - 15040		&& offset - 1 < node.childNodes.length5041		&& isHtmlElement(node.childNodes[offset - 1], ["br", "hr", "img"]))) {5042			5043			getSelection().collapse(node, offset);5044			getActiveRange().setEnd(node, offset);5045			5046			5047			getSelection().extend(node, offset - 1);5048			getActiveRange().setStart(node, offset - 1);5049			5050			deleteSelection();5051			5052			return true;5053		}5054		5055		if (isInlineNode(node)) {5056			return true;5057		}5058		5059		5060		if (isHtmlElement(node, ["li", "dt", "dd"])5061		&& node == node.parentNode.firstChild5062		&& offset == 0) {5063			5064			5065			5066			var items = [];5067			for (var ancestor = node.parentNode; ancestor; ancestor = ancestor.parentNode) {5068				if (isHtmlElement(ancestor, "li")) {5069					items.unshift(ancestor);5070				}5071			}5072			5073			for (var i = 0; i < items.length; i++) {5074				normalizeSublists(items[i]);5075			}5076			5077			5078			var values = recordValues([node]);5079			5080			splitParent([node]);5081			5082			restoreValues(values);5083			5084			5085			5086			5087			if (isHtmlElement(node, ["dd", "dt"])5088			&& getAncestors(node).every(function(ancestor) {5089				return !inSameEditingHost(node, ancestor)5090					|| !isAllowedChild(node, ancestor)5091			})) {5092				node = setTagName(node, defaultSingleLineContainerName);5093			}5094			5095			fixDisallowedAncestors(node);5096			5097			return true;5098		}5099		5100		var startNode = node;5101		var startOffset = offset;5102		5103		while (true) {5104			5105			5106			if (startOffset == 0) {5107				startOffset = getNodeIndex(startNode);5108				startNode = startNode.parentNode;5109			5110			5111			5112			} else if (0 <= startOffset - 15113			&& startOffset - 1 < startNode.childNodes.length5114			&& isEditable(startNode.childNodes[startOffset - 1])5115			&& isInvisible(startNode.childNodes[startOffset - 1])) {5116				startNode.removeChild(startNode.childNodes[startOffset - 1]);5117				startOffset--;5118			5119			} else {5120				break;5121			}5122		}5123		5124		5125		if (offset == 05126		&& getAncestors(node).concat(node).filter(function(ancestor) {5127			return isEditable(ancestor)5128				&& inSameEditingHost(ancestor, node)5129				&& isIndentationElement(ancestor);5130		}).length) {5131			5132			5133			var newRange = document.createRange();5134			newRange.setStart(node, 0);5135			newRange = blockExtend(newRange);5136			5137			5138			5139			5140			5141			5142			var nodeList = getContainedNodes(newRange, function(currentNode) {5143				return isEditable(currentNode)5144					&& !hasEditableDescendants(currentNode);5145			});5146			5147			for (var i = 0; i < nodeList.length; i++) {5148				outdentNode(nodeList[i]);5149			}5150			5151			return true;5152		}5153		5154		5155		if (isHtmlElement(startNode.childNodes[startOffset], "table")) {5156			return true;5157		}5158		5159		5160		if (0 <= startOffset - 15161		&& startOffset - 1 < startNode.childNodes.length5162		&& isHtmlElement(startNode.childNodes[startOffset - 1], "table")) {5163			5164			5165			getSelection().collapse(startNode, startOffset - 1);5166			getActiveRange().setStart(startNode, startOffset - 1);5167			5168			5169			getSelection().extend(startNode, startOffset);5170			getActiveRange().setEnd(startNode, startOffset);5171			5172			return true;5173		}5174		5175		5176		5177		if (offset == 05178		&& (isHtmlElement(startNode.childNodes[startOffset - 1], "hr")5179			|| (5180				isHtmlElement(startNode.childNodes[startOffset - 1], "br")5181				&& (5182					isHtmlElement(startNode.childNodes[startOffset - 1].previousSibling, "br")5183					|| !isInlineNode(startNode.childNodes[startOffset - 1].previousSibling)5184				)5185			)5186		)) {5187			5188			5189			getSelection().collapse(startNode, startOffset - 1);5190			getActiveRange().setStart(startNode, startOffset - 1);5191			5192			5193			getSelection().extend(startNode, startOffset);5194			getActiveRange().setEnd(startNode, startOffset);5195			5196			deleteSelection();5197			5198			getSelection().collapse(node, offset);5199			getActiveRange().setStart(node, offset);5200			getActiveRange().collapse(true);5201			5202			return true;5203		}5204		5205		5206		5207		if (isHtmlElement(startNode.childNodes[startOffset], ["li", "dt", "dd"])5208		&& isInlineNode(startNode.childNodes[startOffset].firstChild)5209		&& startOffset != 0) {5210			5211			5212			var previousItem = startNode.childNodes[startOffset - 1];5213			5214			5215			5216			if (isInlineNode(previousItem.lastChild)5217			&& !isHtmlElement(previousItem.lastChild, "br")) {5218				previousItem.appendChild(document.createElement("br"));5219			}5220			5221			5222			5223			if (isInlineNode(previousItem.lastChild)) {5224				previousItem.appendChild(document.createElement("br"));5225			}5226		}5227		5228		5229		if (isHtmlElement(startNode.childNodes[startOffset], ["li", "dt", "dd"])5230		&& isHtmlElement(startNode.childNodes[startOffset].previousSibling, ["li", "dt", "dd"])) {5231			5232			5233			5234			5235			5236			var originalRange = getActiveRange().cloneRange();5237			extraRanges.push(originalRange);5238			5239			startNode = startNode.childNodes[startOffset - 1];5240			5241			startOffset = getNodeLength(startNode);5242			5243			node = startNode.nextSibling;5244			5245			5246			getSelection().collapse(startNode, startOffset);5247			getActiveRange().setStart(startNode, startOffset);5248			5249			getSelection().extend(node, 0);5250			getActiveRange().setEnd(node, 0);5251			5252			deleteSelection();5253			5254			getSelection().removeAllRanges();5255			5256			5257			getSelection().addRange(originalRange);5258			getActiveRange().setStart(originalRange.startContainer, originalRange.startOffset);5259			getActiveRange().setEnd(originalRange.endContainer, originalRange.endOffset);5260			5261			extraRanges.pop();5262			return true;5263		}5264		5265		while (0 <= startOffset - 15266		&& startOffset - 1 < startNode.childNodes.length) {5267			5268			5269			5270			if (isEditable(startNode.childNodes[startOffset - 1])5271			&& isInvisible(startNode.childNodes[startOffset - 1])) {5272				startNode.removeChild(startNode.childNodes[startOffset - 1]);5273				startOffset--;5274			5275			5276			} else {5277				startNode = startNode.childNodes[startOffset - 1];5278				startOffset = getNodeLength(startNode);5279			}5280		}5281		5282		5283		getSelection().collapse(startNode, startOffset);5284		getActiveRange().setStart(startNode, startOffset);5285		5286		getSelection().extend(node, offset);5287		getActiveRange().setEnd(node, offset);5288		5289		deleteSelection({direction: "backward"});5290		5291		return true;5292	}5293};5294var formattableBlockNames = ["address", "dd", "div", "dt", "h1", "h2", "h3",5295	"h4", "h5", "h6", "p", "pre"];5296commands.formatblock = {5297	preservesOverrides: true,5298	action: function(value) {5299		5300		5301		if (/^<.*>$/.test(value)) {5302			value = value.slice(1, -1);5303		}5304		5305		value = value.toLowerCase();5306		5307		if (formattableBlockNames.indexOf(value) == -1) {5308			return false;5309		}5310		5311		var newRange = blockExtend(getActiveRange());5312		5313		5314		5315		5316		5317		5318		5319		var nodeList = getContainedNodes(newRange, function(node) {5320			return isEditable(node)5321				&& (isNonListSingleLineContainer(node)5322				|| isAllowedChild(node, "p")5323				|| isHtmlElement(node, ["dd", "dt"]))5324				&& !getDescendants(node).some(isProhibitedParagraphChild);5325		});5326		5327		var values = recordValues(nodeList);5328		5329		5330		5331		5332		5333		for (var i = 0; i < nodeList.length; i++) {5334			var node = nodeList[i];5335			while (getAncestors(node).some(function(ancestor) {5336				return isEditable(ancestor)5337					&& inSameEditingHost(ancestor, node)5338					&& isHtmlElement(ancestor, formattableBlockNames)5339					&& !getDescendants(ancestor).some(isProhibitedParagraphChild);5340			})) {5341				splitParent([node]);5342			}5343		}5344		5345		restoreValues(values);5346		5347		while (nodeList.length) {5348			var sublist;5349			5350			5351			if (isSingleLineContainer(nodeList[0])) {5352				5353				5354				sublist = [].slice.call(nodeList[0].childNodes);5355				5356				5357				var values = recordValues(sublist);5358				5359				5360				removePreservingDescendants(nodeList[0]);5361				5362				restoreValues(values);5363				5364				nodeList.shift();5365			5366			} else {5367				5368				sublist = [];5369				5370				5371				sublist.push(nodeList.shift());5372				5373				5374				5375				5376				5377				5378				while (nodeList.length5379				&& nodeList[0] == sublist[sublist.length - 1].nextSibling5380				&& !isSingleLineContainer(nodeList[0])5381				&& !isHtmlElement(sublist[sublist.length - 1], "BR")) {5382					sublist.push(nodeList.shift());5383				}5384			}5385			5386			5387			5388			5389			5390			5391			fixDisallowedAncestors(wrap(sublist,5392				["div", "p"].indexOf(value) == - 15393					? function(node) { return isHtmlElement(node, value) && !node.attributes.length }5394					: function() { return false },5395				function() { return document.createElement(value) }));5396		}5397		5398		return true;5399	}, indeterm: function() {5400		5401		if (!getActiveRange()) {5402			return false;5403		}5404		5405		var newRange = blockExtend(getActiveRange());5406		5407		5408		var nodeList = getAllContainedNodes(newRange, function(node) {5409			return isVisible(node)5410				&& isEditable(node)5411				&& !node.hasChildNodes();5412		});5413		5414		if (!nodeList.length) {5415			return false;5416		}5417		5418		var type = null;5419		5420		for (var i = 0; i < nodeList.length; i++) {5421			var node = nodeList[i];5422			5423			5424			5425			while (isEditable(node.parentNode)5426			&& inSameEditingHost(node, node.parentNode)5427			&& !isHtmlElement(node, formattableBlockNames)) {5428				node = node.parentNode;5429			}5430			5431			var currentType = "";5432			5433			5434			5435			5436			if (isEditable(node)5437			&& isHtmlElement(node, formattableBlockNames)5438			&& !getDescendants(node).some(isProhibitedParagraphChild)) {5439				currentType = node.tagName;5440			}5441			5442			if (type === null) {5443				type = currentType;5444			5445			} else if (type != currentType) {5446				return true;5447			}5448		}5449		5450		return false;5451	}, value: function() {5452		5453		if (!getActiveRange()) {5454			return "";5455		}5456		5457		var newRange = blockExtend(getActiveRange());5458		5459		5460		5461		var nodes = getAllContainedNodes(newRange, function(node) {5462			return isVisible(node)5463				&& isEditable(node)5464				&& !node.hasChildNodes();5465		});5466		if (!nodes.length) {5467			return "";5468		}5469		var node = nodes[0];5470		5471		5472		5473		while (isEditable(node.parentNode)5474		&& inSameEditingHost(node, node.parentNode)5475		&& !isHtmlElement(node, formattableBlockNames)) {5476			node = node.parentNode;5477		}5478		5479		5480		5481		5482		if (isEditable(node)5483		&& isHtmlElement(node, formattableBlockNames)5484		&& !getDescendants(node).some(isProhibitedParagraphChild)) {5485			return node.tagName.toLowerCase();5486		}5487		5488		return "";5489	}5490};5491commands.forwarddelete = {5492	preservesOverrides: true,5493	action: function() {5494		5495		5496		if (!getActiveRange().collapsed) {5497			deleteSelection();5498			return true;5499		}5500		5501		canonicalizeWhitespace(getActiveRange().startContainer, getActiveRange().startOffset);5502		5503		var node = getActiveRange().startContainer;5504		var offset = getActiveRange().startOffset;5505		5506		while (true) {5507			5508			5509			5510			if (offset == getNodeLength(node)5511			&& isEditable(node.nextSibling)5512			&& isInvisible(node.nextSibling)) {5513				node.parentNode.removeChild(node.nextSibling);5514			5515			5516			} else if (offset < node.childNodes.length5517			&& isEditable(node.childNodes[offset])5518			&& isInvisible(node.childNodes[offset])) {5519				node.removeChild(node.childNodes[offset]);5520			5521			5522			5523			} else if ((offset == getNodeLength(node)5524			&& isInlineNode(node))5525			|| isInvisible(node)) {5526				offset = 1 + getNodeIndex(node);5527				node = node.parentNode;5528			5529			5530			5531			} else if (offset < node.childNodes.length5532			&& !isBlockNode(node.childNodes[offset])5533			&& !isHtmlElement(node.childNodes[offset], ["br", "img"])5534			&& !isCollapsedBlockProp(node.childNodes[offset])) {5535				node = node.childNodes[offset];5536				offset = 0;5537			5538			} else {5539				break;5540			}5541		}5542		5543		if (node.nodeType == Node.TEXT_NODE5544		&& offset != getNodeLength(node)) {5545			5546			var endOffset = offset + 1;5547			5548			5549			5550			5551			5552			5553			5554			5555			while (endOffset != node.length5556			&& /^[\u0300-\u036f\u0591-\u05bd\u05c1\u05c2]$/.test(node.data[endOffset])) {5557				endOffset++;5558			}5559			5560			getSelection().collapse(node, offset);5561			getActiveRange().setStart(node, offset);5562			5563			5564			getSelection().extend(node, endOffset);5565			getActiveRange().setEnd(node, endOffset);5566			5567			deleteSelection();5568			5569			return true;5570		}5571		5572		if (isInlineNode(node)) {5573			return true;5574		}5575		5576		5577		if (offset < node.childNodes.length5578		&& isHtmlElement(node.childNodes[offset], ["br", "hr", "img"])5579		&& !isCollapsedBlockProp(node.childNodes[offset])) {5580			5581			getSelection().collapse(node, offset);5582			getActiveRange().setStart(node, offset);5583			5584			5585			getSelection().extend(node, offset + 1);5586			getActiveRange().setEnd(node, offset + 1);5587			5588			deleteSelection();5589			5590			return true;5591		}5592		5593		var endNode = node;5594		var endOffset = offset;5595		5596		5597		if (endOffset < endNode.childNodes.length5598		&& isCollapsedBlockProp(endNode.childNodes[endOffset])) {5599			endOffset++;5600		}5601		5602		while (true) {5603			5604			5605			if (endOffset == getNodeLength(endNode)) {5606				endOffset = 1 + getNodeIndex(endNode);5607				endNode = endNode.parentNode;5608			5609			5610			} else if (endOffset < endNode.childNodes.length5611			&& isEditable(endNode.childNodes[endOffset])5612			&& isInvisible(endNode.childNodes[endOffset])) {5613				endNode.removeChild(endNode.childNodes[endOffset]);5614			5615			} else {5616				break;5617			}5618		}5619		5620		5621		if (isHtmlElement(endNode.childNodes[endOffset - 1], "table")) {5622			return true;5623		}5624		5625		if (isHtmlElement(endNode.childNodes[endOffset], "table")) {5626			5627			5628			getSelection().collapse(endNode, endOffset);5629			getActiveRange().setStart(endNode, endOffset);5630			5631			5632			getSelection().extend(endNode, endOffset + 1);5633			getActiveRange().setEnd(endNode, endOffset + 1);5634			5635			return true;5636		}5637		5638		5639		if (offset == getNodeLength(node)5640		&& isHtmlElement(endNode.childNodes[endOffset], ["br", "hr"])) {5641			5642			5643			getSelection().collapse(endNode, endOffset);5644			getActiveRange().setStart(endNode, endOffset);5645			5646			5647			getSelection().extend(endNode, endOffset + 1);5648			getActiveRange().setEnd(endNode, endOffset + 1);5649			5650			deleteSelection();5651			5652			getSelection().collapse(node, offset);5653			getActiveRange().setStart(node, offset);5654			getActiveRange().collapse(true);5655			5656			return true;5657		}5658		5659		while (endOffset < endNode.childNodes.length) {5660			5661			5662			if (isEditable(endNode.childNodes[endOffset])5663			&& isInvisible(endNode.childNodes[endOffset])) {5664				endNode.removeChild(endNode.childNodes[endOffset]);5665			5666			5667			} else {5668				endNode = endNode.childNodes[endOffset];5669				endOffset = 0;5670			}5671		}5672		5673		getSelection().collapse(node, offset);5674		getActiveRange().setStart(node, offset);5675		5676		5677		getSelection().extend(endNode, endOffset);5678		getActiveRange().setEnd(endNode, endOffset);5679		5680		deleteSelection();5681		5682		return true;5683	}5684};5685commands.indent = {5686	preservesOverrides: true,5687	action: function() {5688		5689		5690		5691		5692		var items = [];5693		for (var node = getActiveRange().endContainer; node != getActiveRange().commonAncestorContainer; node = node.parentNode) {5694			if (isHtmlElement(node, "LI")) {5695				items.unshift(node);5696			}5697		}5698		for (var node = getActiveRange().startContainer; node != getActiveRange().commonAncestorContainer; node = node.parentNode) {5699			if (isHtmlElement(node, "LI")) {5700				items.unshift(node);5701			}5702		}5703		for (var node = getActiveRange().commonAncestorContainer; node; node = node.parentNode) {5704			if (isHtmlElement(node, "LI")) {5705				items.unshift(node);5706			}5707		}5708		5709		for (var i = 0; i < items.length; i++) {5710			normalizeSublists(items[i]);5711		}5712		5713		var newRange = blockExtend(getActiveRange());5714		5715		var nodeList = [];5716		5717		5718		5719		nodeList = getContainedNodes(newRange, function(node) {5720			return isEditable(node)5721				&& (isAllowedChild(node, "div")5722				|| isAllowedChild(node, "ol"));5723		});5724		5725		5726		if (isHtmlElement(nodeList.filter(isVisible)[0], "li")5727		&& isHtmlElement(nodeList.filter(isVisible)[0].parentNode, ["ol", "ul"])) {5728			5729			5730			var sibling = nodeList.filter(isVisible)[0].previousSibling;5731			5732			5733			while (isInvisible(sibling)) {5734				sibling = sibling.previousSibling;5735			}5736			5737			if (isHtmlElement(sibling, "li")) {5738				normalizeSublists(sibling);5739			}5740		}5741		5742		while (nodeList.length) {5743			5744			var sublist = [];5745			5746			sublist.push(nodeList.shift());5747			5748			5749			5750			while (nodeList.length5751			&& nodeList[0] == sublist[sublist.length - 1].nextSibling) {5752				sublist.push(nodeList.shift());5753			}5754			5755			indentNodes(sublist);5756		}5757		5758		return true;5759	}5760};5761commands.inserthorizontalrule = {5762	preservesOverrides: true,5763	action: function() {5764		5765		5766		var startNode = getActiveRange().startContainer;5767		var startOffset = getActiveRange().startOffset;5768		var endNode = getActiveRange().endContainer;5769		var endOffset = getActiveRange().endOffset;5770		5771		5772		5773		while (startOffset == 05774		&& startNode.parentNode) {5775			startOffset = getNodeIndex(startNode);5776			startNode = startNode.parentNode;5777		}5778		5779		5780		5781		while (endOffset == getNodeLength(endNode)5782		&& endNode.parentNode) {5783			endOffset = 1 + getNodeIndex(endNode);5784			endNode = endNode.parentNode;5785		}5786		5787		5788		getSelection().collapse(startNode, startOffset);5789		getActiveRange().setStart(startNode, startOffset);5790		5791		5792		getSelection().extend(endNode, endOffset);5793		getActiveRange().setEnd(endNode, endOffset);5794		5795		deleteSelection({blockMerging: false});5796		5797		5798		if (!isEditable(getActiveRange().startContainer)5799		&& !isEditingHost(getActiveRange().startContainer)) {5800			return true;5801		}5802		5803		5804		5805		5806		if (getActiveRange().startContainer.nodeType == Node.TEXT_NODE5807		&& getActiveRange().startOffset == 0) {5808			var newNode = getActiveRange().startContainer.parentNode;5809			var newOffset = getNodeIndex(getActiveRange().startContainer);5810			getSelection().collapse(newNode, newOffset);5811			getActiveRange().setStart(newNode, newOffset);5812			getActiveRange().collapse(true);5813		}5814		5815		5816		5817		5818		5819		if (getActiveRange().startContainer.nodeType == Node.TEXT_NODE5820		&& getActiveRange().startOffset == getNodeLength(getActiveRange().startContainer)) {5821			var newNode = getActiveRange().startContainer.parentNode;5822			var newOffset = 1 + getNodeIndex(getActiveRange().startContainer);5823			getSelection().collapse(newNode, newOffset);5824			getActiveRange().setStart(newNode, newOffset);5825			getActiveRange().collapse(true);5826		}5827		5828		5829		var hr = document.createElement("hr");5830		5831		getActiveRange().insertNode(hr);5832		5833		fixDisallowedAncestors(hr);5834		5835		5836		5837		getSelection().collapse(hr.parentNode, 1 + getNodeIndex(hr));5838		getActiveRange().setStart(hr.parentNode, 1 + getNodeIndex(hr));5839		getActiveRange().collapse(true);5840		5841		return true;5842	}5843};5844commands.inserthtml = {5845	preservesOverrides: true,5846	action: function(value) {5847		5848		deleteSelection();5849		5850		5851		if (!isEditable(getActiveRange().startContainer)5852		&& !isEditingHost(getActiveRange().startContainer)) {5853			return true;5854		}5855		5856		5857		var frag = getActiveRange().createContextualFragment(value);5858		5859		var lastChild = frag.lastChild;5860		5861		if (!lastChild) {5862			return true;5863		}5864		5865		var descendants = getDescendants(frag);5866		5867		if (isBlockNode(getActiveRange().startContainer)) {5868			5869			5870			5871			5872			5873			5874			[].filter.call(getActiveRange().startContainer.childNodes, function(node) {5875				return isEditable(node)5876					&& isCollapsedBlockProp(node)5877					&& getNodeIndex(node) >= getActiveRange().startOffset;5878			}).forEach(function(node) {5879				node.parentNode.removeChild(node);5880			});5881		}5882		5883		getActiveRange().insertNode(frag);5884		5885		5886		5887		if (isBlockNode(getActiveRange().startContainer)5888		&& ![].some.call(getActiveRange().startContainer.childNodes, isVisible)) {5889			getActiveRange().startContainer.appendChild(document.createElement("br"));5890		}5891		5892		5893		5894		getActiveRange().setStart(lastChild.parentNode, 1 + getNodeIndex(lastChild));5895		getActiveRange().setEnd(lastChild.parentNode, 1 + getNodeIndex(lastChild));5896		5897		for (var i = 0; i < descendants.length; i++) {5898			fixDisallowedAncestors(descendants[i]);5899		}5900		5901		return true;5902	}5903};5904commands.insertimage = {5905	preservesOverrides: true,5906	action: function(value) {5907		5908		if (value === "") {5909			return false;5910		}5911		5912		deleteSelection({stripWrappers: false});5913		5914		var range = getActiveRange();5915		5916		5917		if (!isEditable(getActiveRange().startContainer)5918		&& !isEditingHost(getActiveRange().startContainer)) {5919			return true;5920		}5921		5922		5923		if (isBlockNode(range.startContainer)5924		&& range.startContainer.childNodes.length == 15925		&& isHtmlElement(range.startContainer.firstChild, "br")5926		&& range.startOffset == 0) {5927			range.startContainer.removeChild(range.startContainer.firstChild);5928		}5929		5930		5931		var img = document.createElement("img");5932		5933		img.setAttribute("src", value);5934		5935		range.insertNode(img);5936		5937		5938		5939		5940		5941		5942		5943		range.setStart(img.parentNode, 1 + getNodeIndex(img));5944		range.setEnd(img.parentNode, 1 + getNodeIndex(img));5945		getSelection().removeAllRanges();5946		getSelection().addRange(range);5947		5948		5949		img.removeAttribute("width");5950		img.removeAttribute("height");5951		5952		return true;5953	}5954};5955commands.insertlinebreak = {5956	preservesOverrides: true,5957	action: function(value) {5958		5959		deleteSelection({stripWrappers: false});5960		5961		5962		if (!isEditable(getActiveRange().startContainer)5963		&& !isEditingHost(getActiveRange().startContainer)) {5964			return true;5965		}5966		5967		5968		if (getActiveRange().startContainer.nodeType == Node.ELEMENT_NODE5969		&& !isAllowedChild("br", getActiveRange().startContainer)) {5970			return true;5971		}5972		5973		5974		5975		if (getActiveRange().startContainer.nodeType != Node.ELEMENT_NODE5976		&& !isAllowedChild("br", getActiveRange().startContainer.parentNode)) {5977			return true;5978		}5979		5980		5981		5982		5983		if (getActiveRange().startContainer.nodeType == Node.TEXT_NODE5984		&& getActiveRange().startOffset == 0) {5985			var newNode = getActiveRange().startContainer.parentNode;5986			var newOffset = getNodeIndex(getActiveRange().startContainer);5987			getSelection().collapse(newNode, newOffset);5988			getActiveRange().setStart(newNode, newOffset);5989			getActiveRange().setEnd(newNode, newOffset);5990		}5991		5992		5993		5994		5995		5996		if (getActiveRange().startContainer.nodeType == Node.TEXT_NODE5997		&& getActiveRange().startOffset == getNodeLength(getActiveRange().startContainer)) {5998			var newNode = getActiveRange().startContainer.parentNode;5999			var newOffset = 1 + getNodeIndex(getActiveRange().startContainer);6000			getSelection().collapse(newNode, newOffset);6001			getActiveRange().setStart(newNode, newOffset);6002			getActiveRange().setEnd(newNode, newOffset);6003		}6004		6005		6006		var br = document.createElement("br");6007		6008		getActiveRange().insertNode(br);6009		6010		6011		6012		getSelection().collapse(br.parentNode, 1 + getNodeIndex(br));6013		getActiveRange().setStart(br.parentNode, 1 + getNodeIndex(br));6014		getActiveRange().setEnd(br.parentNode, 1 + getNodeIndex(br));6015		6016		6017		6018		if (isCollapsedLineBreak(br)) {6019			getActiveRange().insertNode(document.createElement("br"));6020			6021			getSelection().collapse(br.parentNode, 1 + getNodeIndex(br));6022			getActiveRange().setStart(br.parentNode, 1 + getNodeIndex(br));6023			getActiveRange().setEnd(br.parentNode, 1 + getNodeIndex(br));6024		}6025		6026		return true;6027	}6028};6029commands.insertorderedlist = {6030	preservesOverrides: true,6031	6032	action: function() { toggleLists("ol"); return true },6033	6034	6035	indeterm: function() { return /^mixed( ol)?$/.test(getSelectionListState()) },6036	6037	state: function() { return getSelectionListState() == "ol" },6038};6039commands.insertparagraph = {6040	preservesOverrides: true,6041	action: function() {6042		6043		deleteSelection();6044		6045		6046		if (!isEditable(getActiveRange().startContainer)6047		&& !isEditingHost(getActiveRange().startContainer)) {6048			return true;6049		}6050		6051		var node = getActiveRange().startContainer;6052		var offset = getActiveRange().startOffset;6053		6054		6055		if (node.nodeType == Node.TEXT_NODE6056		&& offset != 06057		&& offset != getNodeLength(node)) {6058			node.splitText(offset);6059		}6060		6061		6062		if (node.nodeType == Node.TEXT_NODE6063		&& offset == getNodeLength(node)) {6064			offset = 1 + getNodeIndex(node);6065			node = node.parentNode;6066		}6067		6068		6069		if (node.nodeType == Node.TEXT_NODE6070		|| node.nodeType == Node.COMMENT_NODE) {6071			offset = getNodeIndex(node);6072			node = node.parentNode;6073		}6074		6075		getSelection().collapse(node, offset);6076		getActiveRange().setStart(node, offset);6077		getActiveRange().setEnd(node, offset);6078		6079		var container = node;6080		6081		6082		6083		while (!isSingleLineContainer(container)6084		&& isEditable(container.parentNode)6085		&& inSameEditingHost(node, container.parentNode)) {6086			container = container.parentNode;6087		}6088		6089		6090		if (isEditable(container)6091		&& isSingleLineContainer(container)6092		&& inSameEditingHost(node, container.parentNode)6093		&& (container.tagName == "P" || container.tagName == "DIV")) {6094			6095			var outerContainer = container;6096			6097			6098			6099			while (!isHtmlElement(outerContainer, ["dd", "dt", "li"])6100			&& isEditable(outerContainer.parentNode)) {6101				outerContainer = outerContainer.parentNode;6102			}6103			6104			6105			if (isHtmlElement(outerContainer, ["dd", "dt", "li"])) {6106				container = outerContainer;6107			}6108		}6109		6110		6111		if (!isEditable(container)6112		|| !inSameEditingHost(container, node)6113		|| !isSingleLineContainer(container)) {6114			6115			var tag = defaultSingleLineContainerName;6116			6117			6118			var newRange = blockExtend(getActiveRange());6119			6120			6121			6122			6123			var nodeList = getContainedNodes(newRange, function(node) { return isAllowedChild(node, "p") })6124				.slice(0, 1);6125			6126			if (!nodeList.length) {6127				6128				6129				if (!isAllowedChild(tag, getActiveRange().startContainer)) {6130					return true;6131				}6132				6133				6134				container = document.createElement(tag);6135				6136				getActiveRange().insertNode(container);6137				6138				6139				container.appendChild(document.createElement("br"));6140				6141				6142				getSelection().collapse(container, 0);6143				getActiveRange().setStart(container, 0);6144				getActiveRange().setEnd(container, 0);6145				6146				return true;6147			}6148			6149			6150			while (nodeList[nodeList.length - 1].nextSibling6151			&& isAllowedChild(nodeList[nodeList.length - 1].nextSibling, "p")) {6152				nodeList.push(nodeList[nodeList.length - 1].nextSibling);6153			}6154			6155			6156			6157			6158			container = wrap(nodeList,6159				function() { return false },6160				function() { return document.createElement(tag) }6161			);6162		}6163		6164		if (container.tagName == "ADDRESS"6165		|| container.tagName == "LISTING"6166		|| container.tagName == "PRE") {6167			6168			6169			var br = document.createElement("br");6170			6171			getActiveRange().insertNode(br);6172			6173			6174			getSelection().collapse(node, offset + 1);6175			getActiveRange().setStart(node, offset + 1);6176			getActiveRange().setEnd(node, offset + 1);6177			6178			6179			6180			6181			6182			6183			if (!isDescendant(nextNode(br), container)) {6184				getActiveRange().insertNode(document.createElement("br"));6185				getSelection().collapse(node, offset + 1);6186				getActiveRange().setEnd(node, offset + 1);6187			}6188			6189			return true;6190		}6191		6192		6193		if (["LI", "DT", "DD"].indexOf(container.tagName) != -16194		&& (!container.hasChildNodes()6195		|| (container.childNodes.length == 16196		&& isHtmlElement(container.firstChild, "br")))) {6197			6198			splitParent([container]);6199			6200			6201			6202			if (!container.hasChildNodes()) {6203				container.appendChild(document.createElement("br"));6204			}6205			6206			6207			6208			6209			if (isHtmlElement(container, ["dd", "dt"])6210			&& getAncestors(container).every(function(ancestor) {6211				return !inSameEditingHost(container, ancestor)6212					|| !isAllowedChild(container, ancestor)6213			})) {6214				container = setTagName(container, defaultSingleLineContainerName);6215			}6216			6217			fixDisallowedAncestors(container);6218			6219			return true;6220		}6221		6222		6223		6224		var newLineRange = document.createRange();6225		newLineRange.setStart(getActiveRange().startContainer, getActiveRange().startOffset);...

d549ba877ef2abdd028ad56f175ed0eccb0425c1_1_41.js

Source:d549ba877ef2abdd028ad56f175ed0eccb0425c1_1_41.js

...11		// "If start node has a child in the same editing host with index start12		// offset minus one, set start node to that child, then set start13		// offset to start node's length."14		if (0 <= startOffset - 115		&& inSameEditingHost(startNode, startNode.childNodes[startOffset - 1])) {16			startNode = startNode.childNodes[startOffset - 1];17			startOffset = getNodeLength(startNode);18		// "Otherwise, if start offset is zero and start node does not follow a19		// line break and start node's parent is in the same editing host, set20		// start offset to start node's index, then set start node to its21		// parent."22		} else if (startOffset == 023		&& !followsLineBreak(startNode)24		&& inSameEditingHost(startNode, startNode.parentNode)) {25			startOffset = getNodeIndex(startNode);26			startNode = startNode.parentNode;27		// "Otherwise, if start node is a Text node and its parent's resolved28		// value for "white-space" is neither "pre" nor "pre-wrap" and start29		// offset is not zero and the (start offset â 1)st element of start30		// node's data is a space (0x0020) or non-breaking space (0x00A0),31		// subtract one from start offset."32		} else if (startNode.nodeType == Node.TEXT_NODE33		&& ["pre", "pre-wrap"].indexOf(getComputedStyle(startNode.parentNode).whiteSpace) == -134		&& startOffset != 035		&& /[ \xa0]/.test(startNode.data[startOffset - 1])) {36			startOffset--;37		// "Otherwise, break from this loop."38		} else {39			break;40		}41	}42	// "Let end node equal start node and end offset equal start offset."43	var endNode = startNode;44	var endOffset = startOffset;45	// "Let length equal zero."46	var length = 0;47	// "Let follows space be false."48	var followsSpace = false;49	// "Repeat the following steps:"50	while (true) {51		// "If end node has a child in the same editing host with index end52		// offset, set end node to that child, then set end offset to zero."53		if (endOffset < endNode.childNodes.length54		&& inSameEditingHost(endNode, endNode.childNodes[endOffset])) {55			endNode = endNode.childNodes[endOffset];56			endOffset = 0;57		// "Otherwise, if end offset is end node's length and end node does not58		// precede a line break and end node's parent is in the same editing59		// host, set end offset to one plus end node's index, then set end node60		// to its parent."61		} else if (endOffset == getNodeLength(endNode)62		&& !precedesLineBreak(endNode)63		&& inSameEditingHost(endNode, endNode.parentNode)) {64			endOffset = 1 + getNodeIndex(endNode);65			endNode = endNode.parentNode;66		// "Otherwise, if end node is a Text node and its parent's resolved67		// value for "white-space" is neither "pre" nor "pre-wrap" and end68		// offset is not end node's length and the end offsetth element of69		// end node's data is a space (0x0020) or non-breaking space (0x00A0):"70		} else if (endNode.nodeType == Node.TEXT_NODE71		&& ["pre", "pre-wrap"].indexOf(getComputedStyle(endNode.parentNode).whiteSpace) == -172		&& endOffset != getNodeLength(endNode)73		&& /[ \xa0]/.test(endNode.data[endOffset])) {74			// "If follows space is true and the end offsetth element of end75			// node's data is a space (0x0020), call deleteData(end offset, 1)76			// on end node, then continue this loop from the beginning."77			if (followsSpace...

inserthtml.js

Source:inserthtml.js

...61			// get contents of container div62			domNodes = value.contents();63			64			// check if range starts an ends in same editable host65//			if ( !(dom.inSameEditingHost(range.startContainer, range.endContainer)) ) {66//				throw "INVALID_RANGE_ERR";67//			}68			69			// delete currently selected contents70			dom.removeRange(range);71			72			for ( i = domNodes.length - 1; i >= 0; --i) {73				// insert the elements74				pasteElement(domNodes[i]);75			}76			// Call collapse() on the context object's Selection,77			// with last child's parent as the first argument and one plus its index as the second.78			if (domNodes.length > 0) {79				range = dom.setCursorAfter(domNodes.get(domNodes.length - 1));...

Using AI Code Generation

1var wptools = require('wptools');2var wp = wptools.page('Narendra Modi');3wp.get(function(err, info) {4  console.log(info);5});6var wp = wptools.page('Narendra Modi');7wp.get(function(err, info) {8  console.log(info.inSameEditingHost('Amit Shah'));9});10var wp = wptools.page('Narendra Modi');11wp.get(function(err, info) {12  console.log(info.inSameEditingHost('Narendra Modi'));13});14var wp = wptools.page('Narendra Modi');15wp.get(function(err, info) {16  console.log(info.inSameEditingHost('Amit Shah'));17});18var wp = wptools.page('Narendra Modi');19wp.get(function(err, info) {20  console.log(info.inSameEditingHost('Amit Shah'));21});22var wp = wptools.page('Narendra Modi');23wp.get(function(err, info) {24  console.log(info.inSameEditingHost('Amit Shah'));25});26var wp = wptools.page('Narendra Modi');27wp.get(function(err, info) {28  console.log(info.inSameEditingHost('Amit Shah'));29});30var wp = wptools.page('Narendra Modi');31wp.get(function(err, info) {32  console.log(info.inSameEditingHost('Amit Shah'));33});34var wp = wptools.page('Narendra Modi');35wp.get(function(err, info) {36  console.log(info.inSameEditingHost('Amit Shah'));37});38var wp = wptools.page('Narendra Modi');39wp.get(function(err, info) {40  console.log(info.inSameEditingHost('Amit Shah'));41});42var wp = wptools.page('Narendra Modi');

Using AI Code Generation

1var wpt = new ActiveXObject("WPT.WPT");2var result = wpt.inSameEditingHost("C:\\path\\file1.txt", "C:\\path\\file2.txt");3var wpt = new ActiveXObject("WPT.WPT");4var result = wpt.inSameEditingHost("C:\\path\\file1.txt", "C:\\path\\file2.txt", "C:\\path\\file3.txt");5var wpt = new ActiveXObject("WPT.WPT");6var result = wpt.inSameEditingHost("C:\\path\\file1.txt", "C:\\path\\file2.txt", "C:\\path\\file3.txt", "C:\\path\\file4.txt");7var wpt = new ActiveXObject("WPT.WPT");8var result = wpt.inSameEditingHost("C:\\path\\file1.txt", "C:\\path\\file2.txt", "C:\\path\\file3.txt", "C:\\path\\file4.txt", "C:\\path\\file5.txt");9var wpt = new ActiveXObject("WPT.WPT");10var result = wpt.inSameEditingHost("C:\\path\\file1.txt", "C:\\path\\file2.txt", "C:\\path\\file3.txt", "C:\\path\\file4.txt", "C:\\path\\file5.txt", "C:\\path\\file6.txt");

Using AI Code Generation

1var wptbElementDragger = {2    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {3        return false;4    }5}6var wptbElementDragger = {7    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {8        return true;9    }10}11var wptbElementDragger = {12    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {13        return false;14    }15}16var wptbElementDragger = {17    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {18        return true;19    }20}21var wptbElementDragger = {22    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {23        return false;24    }25}26var wptbElementDragger = {27    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {28        return true;29    }30}31var wptbElementDragger = {32    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {33        return false;34    }35}36var wptbElementDragger = {37    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {38        return true;39    }40}41var wptbElementDragger = {42    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {43        return false;44    }45}46var wptbElementDragger = {47    inSameEditingHost: function inSameEditingHost( elementA, elementB ) {48        return true;49    }50}51var wptbElementDragger = {

Using AI Code Generation

1var editor = document.getElementById('editor');2var iframe = document.getElementById('iframe');3var editingHost = editor.contentWindow;4var iframeEditingHost = iframe.contentWindow;5var sameHost = editingHost.inSameEditingHost(iframeEditingHost);6console.log(sameHost);

Using AI Code Generation

1function test()2{3    var editor = document.getElementById("editor");4    var node = editor.contentDocument.createElement("div");5    node.innerHTML = "test";6    editor.contentDocument.body.appendChild(node);7    editor.contentDocument.designMode = "on";8    editor.contentDocument.execCommand("styleWithCSS", false, true);9    node.focus();10    editor.contentDocument.execCommand("bold", false, true);11    editor.contentDocument.execCommand("insertHTML", false, "test");12    editor.contentDocument.execCommand("bold", false, false);13    alert(editor.inSameEditingHost(editor.contentDocument.body, node));14}15<body onload="test()">16> +    return isEditablePosition(positionInComposedTree, editingIgnoresContentOutsideEditableArea) && isEditablePosition(positionInComposedTree.parentAnchoredEquivalent(), editingIgnoresContentOutsideEditableArea); 17> +} 18> +bool Editor::isEditablePosition(const Position& position, EEditableType editableType) const 19> +{

Using AI Code Generation

1function WebPageTest() {2}3function WebPageTest() {4}5function WebPageTest() {6}7function WebPageTest() {8}9function WebPageTest() {

Using AI Code Generation

1var wptools = require('wptools');2var link1 = wptools(link1);3var link2 = wptools(link2);4console.log(link1.inSameEditingHost(link2));5var wptools = require('wptools');6var link1 = wptools(link1);7var link2 = wptools(link2);8console.log(link1.inSameEditingHost(link2));

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.