How to use child method in wpt

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widget-parent-debug.js

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1/*2YUI 3.16.0 (build 76f0e08)3Copyright 2014 Yahoo! Inc. All rights reserved.4Licensed under the BSD License.5http://yuilibrary.com/license/6*/7YUI.add('widget-parent', function (Y, NAME) {8/**9 * Extension enabling a Widget to be a parent of another Widget.10 *11 * @module widget-parent12 */13var Lang = Y.Lang,14 RENDERED = "rendered",15 BOUNDING_BOX = "boundingBox";16/**17 * Widget extension providing functionality enabling a Widget to be a 18 * parent of another Widget.19 *20 * <p>In addition to the set of attributes supported by WidgetParent, the constructor21 * configuration object can also contain a <code>children</code> which can be used22 * to add child widgets to the parent during construction. The <code>children</code>23 * property is an array of either child widget instances or child widget configuration 24 * objects, and is sugar for the <a href="#method_add">add</a> method. See the 25 * <a href="#method_add">add</a> for details on the structure of the child widget 26 * configuration object.27 * @class WidgetParent28 * @constructor29 * @uses ArrayList30 * @param {Object} config User configuration object.31 */32function Parent(config) {33 /**34 * Fires when a Widget is add as a child. The event object will have a 35 * 'child' property that returns a reference to the child Widget, as well 36 * as an 'index' property that returns a reference to the index specified 37 * when the add() method was called.38 * <p>39 * Subscribers to the "on" moment of this event, will be notified 40 * before a child is added.41 * </p>42 * <p>43 * Subscribers to the "after" moment of this event, will be notified44 * after a child is added.45 * </p>46 *47 * @event addChild48 * @preventable _defAddChildFn49 * @param {EventFacade} e The Event Facade50 */51 this.publish("addChild", { 52 defaultTargetOnly: true,53 defaultFn: this._defAddChildFn 54 });55 /**56 * Fires when a child Widget is removed. The event object will have a 57 * 'child' property that returns a reference to the child Widget, as well 58 * as an 'index' property that returns a reference child's ordinal position.59 * <p>60 * Subscribers to the "on" moment of this event, will be notified 61 * before a child is removed.62 * </p>63 * <p>64 * Subscribers to the "after" moment of this event, will be notified65 * after a child is removed.66 * </p>67 *68 * @event removeChild69 * @preventable _defRemoveChildFn70 * @param {EventFacade} e The Event Facade71 */72 this.publish("removeChild", { 73 defaultTargetOnly: true,74 defaultFn: this._defRemoveChildFn 75 });76 this._items = [];77 var children,78 handle;79 if (config && config.children) {80 children = config.children;81 82 handle = this.after("initializedChange", function (e) {83 this._add(children);84 handle.detach();85 });86 }87 // Widget method overlap88 Y.after(this._renderChildren, this, "renderUI");89 Y.after(this._bindUIParent, this, "bindUI");90 this.after("selectionChange", this._afterSelectionChange);91 this.after("selectedChange", this._afterParentSelectedChange);92 this.after("activeDescendantChange", this._afterActiveDescendantChange);93 this._hDestroyChild = this.after("*:destroy", this._afterDestroyChild);94 this.after("*:focusedChange", this._updateActiveDescendant);95}96Parent.ATTRS = {97 /**98 * @attribute defaultChildType99 * @type {String|Object}100 *101 * @description String representing the default type of the children 102 * managed by this Widget. Can also supply default type as a constructor103 * reference.104 */105 defaultChildType: {106 setter: function (val) {107 108 var returnVal = Y.Attribute.INVALID_VALUE,109 FnConstructor = Lang.isString(val) ? Y[val] : val;110 111 if (Lang.isFunction(FnConstructor)) {112 returnVal = FnConstructor;113 }114 115 return returnVal;116 }117 },118 /**119 * @attribute activeDescendant120 * @type Widget121 * @readOnly122 *123 * @description Returns the Widget's currently focused descendant Widget.124 */125 activeDescendant: { 126 readOnly: true127 },128 /**129 * @attribute multiple130 * @type Boolean131 * @default false132 * @writeOnce 133 *134 * @description Boolean indicating if multiple children can be selected at 135 * once. Whether or not multiple selection is enabled is always delegated136 * to the value of the <code>multiple</code> attribute of the root widget137 * in the object hierarchy.138 */139 multiple: {140 value: false,141 validator: Lang.isBoolean,142 writeOnce: true,143 getter: function (value) {144 var root = this.get("root");145 return (root && root != this) ? root.get("multiple") : value;146 }147 },148 /**149 * @attribute selection150 * @type {ArrayList|Widget}151 * @readOnly 152 *153 * @description Returns the currently selected child Widget. If the 154 * <code>mulitple</code> attribte is set to <code>true</code> will 155 * return an Y.ArrayList instance containing the currently selected 156 * children. If no children are selected, will return null.157 */158 selection: {159 readOnly: true,160 setter: "_setSelection",161 getter: function (value) {162 var selection = Lang.isArray(value) ? 163 (new Y.ArrayList(value)) : value;164 return selection;165 }166 },167 selected: {168 setter: function (value) {169 // Enforces selection behavior on for parent Widgets. Parent's 170 // selected attribute can be set to the following:171 // 0 - Not selected172 // 1 - Fully selected (all children are selected). In order for 173 // all children to be selected, multiple selection must be 174 // enabled. Therefore, you cannot set the "selected" attribute 175 // on a parent Widget to 1 unless multiple selection is enabled.176 // 2 - Partially selected, meaning one ore more (but not all) 177 // children are selected.178 var returnVal = value;179 if (value === 1 && !this.get("multiple")) {180 Y.log('The selected attribute can only be set to 1 if the "multiple" attribute is set to true.', "error", "widget");181 returnVal = Y.Attribute.INVALID_VALUE;182 }183 184 return returnVal;185 }186 }187};188Parent.prototype = {189 /**190 * The destructor implementation for Parent widgets. Destroys all children.191 * @method destructor192 */193 destructor: function() {194 this._destroyChildren();195 },196 /**197 * Destroy event listener for each child Widget, responsible for removing 198 * the destroyed child Widget from the parent's internal array of children199 * (_items property).200 *201 * @method _afterDestroyChild202 * @protected203 * @param {EventFacade} event The event facade for the attribute change.204 */205 _afterDestroyChild: function (event) {206 var child = event.target;207 if (child.get("parent") == this) {208 child.remove();209 } 210 },211 /**212 * Attribute change listener for the <code>selection</code> 213 * attribute, responsible for setting the value of the 214 * parent's <code>selected</code> attribute.215 *216 * @method _afterSelectionChange217 * @protected218 * @param {EventFacade} event The event facade for the attribute change.219 */220 _afterSelectionChange: function (event) {221 if (event.target == this && event.src != this) {222 var selection = event.newVal,223 selectedVal = 0; // Not selected224 if (selection) {225 selectedVal = 2; // Assume partially selected, confirm otherwise226 if (Y.instanceOf(selection, Y.ArrayList) && 227 (selection.size() === this.size())) {228 selectedVal = 1; // Fully selected229 }230 231 }232 this.set("selected", selectedVal, { src: this });233 234 }235 },236 /**237 * Attribute change listener for the <code>activeDescendant</code> 238 * attribute, responsible for setting the value of the 239 * parent's <code>activeDescendant</code> attribute.240 *241 * @method _afterActiveDescendantChange242 * @protected243 * @param {EventFacade} event The event facade for the attribute change.244 */245 _afterActiveDescendantChange: function (event) {246 var parent = this.get("parent");247 if (parent) {248 parent._set("activeDescendant", event.newVal);249 }250 },251 /**252 * Attribute change listener for the <code>selected</code> 253 * attribute, responsible for syncing the selected state of all children to 254 * match that of their parent Widget.255 * 256 *257 * @method _afterParentSelectedChange258 * @protected259 * @param {EventFacade} event The event facade for the attribute change.260 */261 _afterParentSelectedChange: function (event) {262 var value = event.newVal;263 if (this == event.target && event.src != this && 264 (value === 0 || value === 1)) {265 this.each(function (child) {266 // Specify the source of this change as the parent so that 267 // value of the parent's "selection" attribute isn't 268 // recalculated269 child.set("selected", value, { src: this });270 }, this);271 272 }273 274 },275 /**276 * Default setter for <code>selection</code> attribute changes.277 *278 * @method _setSelection279 * @protected280 * @param child {Widget|Array} Widget or Array of Widget instances. 281 * @return {Widget|Array} Widget or Array of Widget instances.282 */283 _setSelection: function (child) {284 var selection = null,285 selected;286 if (this.get("multiple") && !this.isEmpty()) {287 selected = [];288 289 this.each(function (v) {290 if (v.get("selected") > 0) {291 selected.push(v);292 }293 });294 if (selected.length > 0) {295 selection = selected;296 }297 }298 else {299 if (child.get("selected") > 0) {300 selection = child;301 }302 }303 304 return selection;305 306 },307 /**308 * Attribute change listener for the <code>selected</code> 309 * attribute of child Widgets, responsible for setting the value of the 310 * parent's <code>selection</code> attribute.311 *312 * @method _updateSelection313 * @protected314 * @param {EventFacade} event The event facade for the attribute change.315 */316 _updateSelection: function (event) {317 var child = event.target,318 selection;319 if (child.get("parent") == this) {320 if (event.src != "_updateSelection") {321 selection = this.get("selection");322 if (!this.get("multiple") && selection && event.newVal > 0) {323 // Deselect the previously selected child.324 // Set src equal to the current context to prevent325 // unnecessary re-calculation of the selection.326 selection.set("selected", 0, { src: "_updateSelection" });327 }328 this._set("selection", child);329 }330 if (event.src == this) {331 this._set("selection", child, { src: this });332 }333 334 }335 },336 /**337 * Attribute change listener for the <code>focused</code> 338 * attribute of child Widgets, responsible for setting the value of the 339 * parent's <code>activeDescendant</code> attribute.340 *341 * @method _updateActiveDescendant342 * @protected343 * @param {EventFacade} event The event facade for the attribute change.344 */345 _updateActiveDescendant: function (event) {346 var activeDescendant = (event.newVal === true) ? event.target : null;347 this._set("activeDescendant", activeDescendant);348 },349 /**350 * Creates an instance of a child Widget using the specified configuration.351 * By default Widget instances will be created of the type specified 352 * by the <code>defaultChildType</code> attribute. Types can be explicitly353 * defined via the <code>childType</code> property of the configuration object354 * literal. The use of the <code>type</code> property has been deprecated, but 355 * will still be used as a fallback, if <code>childType</code> is not defined,356 * for backwards compatibility. 357 *358 * @method _createChild359 * @protected360 * @param config {Object} Object literal representing the configuration 361 * used to create an instance of a Widget.362 */363 _createChild: function (config) {364 var defaultType = this.get("defaultChildType"),365 altType = config.childType || config.type,366 child,367 Fn,368 FnConstructor;369 if (altType) {370 Fn = Lang.isString(altType) ? Y[altType] : altType;371 }372 if (Lang.isFunction(Fn)) {373 FnConstructor = Fn;374 } else if (defaultType) {375 // defaultType is normalized to a function in it's setter 376 FnConstructor = defaultType;377 }378 if (FnConstructor) {379 child = new FnConstructor(config);380 } else {381 Y.error("Could not create a child instance because its constructor is either undefined or invalid.");382 }383 return child;384 385 },386 /**387 * Default addChild handler388 *389 * @method _defAddChildFn390 * @protected391 * @param event {EventFacade} The Event object392 * @param child {Widget} The Widget instance, or configuration 393 * object for the Widget to be added as a child.394 * @param index {Number} Number representing the position at 395 * which the child will be inserted.396 */397 _defAddChildFn: function (event) {398 var child = event.child,399 index = event.index,400 children = this._items;401 if (child.get("parent")) {402 child.remove();403 }404 if (Lang.isNumber(index)) {405 children.splice(index, 0, child);406 }407 else {408 children.push(child);409 }410 child._set("parent", this);411 child.addTarget(this);412 // Update index in case it got normalized after addition413 // (e.g. user passed in 10, and there are only 3 items, the actual index would be 3. We don't want to pass 10 around in the event facade).414 event.index = child.get("index");415 // TO DO: Remove in favor of using event bubbling416 child.after("selectedChange", Y.bind(this._updateSelection, this));417 },418 /**419 * Default removeChild handler420 *421 * @method _defRemoveChildFn422 * @protected423 * @param event {EventFacade} The Event object424 * @param child {Widget} The Widget instance to be removed.425 * @param index {Number} Number representing the index of the Widget to 426 * be removed.427 */ 428 _defRemoveChildFn: function (event) {429 var child = event.child,430 index = event.index,431 children = this._items;432 if (child.get("focused")) {433 child.blur(); // focused is readOnly, so use the public i/f to unset it434 }435 if (child.get("selected")) {436 child.set("selected", 0);437 }438 children.splice(index, 1);439 child.removeTarget(this);440 child._oldParent = child.get("parent");441 child._set("parent", null);442 },443 /**444 * @method _add445 * @protected446 * @param child {Widget|Object} The Widget instance, or configuration 447 * object for the Widget to be added as a child.448 * @param child {Array} Array of Widget instances, or configuration 449 * objects for the Widgets to be added as a children.450 * @param index {Number} (Optional.) Number representing the position at 451 * which the child should be inserted.452 * @description Adds a Widget as a child. If the specified Widget already453 * has a parent it will be removed from its current parent before454 * being added as a child.455 * @return {Widget|Array} Successfully added Widget or Array containing the 456 * successfully added Widget instance(s). If no children where added, will 457 * will return undefined.458 */459 _add: function (child, index) { 460 var children,461 oChild,462 returnVal;463 if (Lang.isArray(child)) {464 children = [];465 Y.each(child, function (v, k) {466 oChild = this._add(v, (index + k));467 if (oChild) {468 children.push(oChild);469 }470 471 }, this);472 473 if (children.length > 0) {474 returnVal = children;475 }476 }477 else {478 if (Y.instanceOf(child, Y.Widget)) {479 oChild = child;480 }481 else {482 oChild = this._createChild(child);483 }484 if (oChild && this.fire("addChild", { child: oChild, index: index })) {485 returnVal = oChild;486 }487 }488 return returnVal;489 },490 /**491 * @method add492 * @param child {Widget|Object} The Widget instance, or configuration 493 * object for the Widget to be added as a child. The configuration object494 * for the child can include a <code>childType</code> property, which is either495 * a constructor function or a string which names a constructor function on the 496 * Y instance (e.g. "Tab" would refer to Y.Tab) (<code>childType</code> used to be 497 * named <code>type</code>, support for which has been deprecated, but is still498 * maintained for backward compatibility. <code>childType</code> takes precedence499 * over <code>type</code> if both are defined.500 * @param child {Array} Array of Widget instances, or configuration 501 * objects for the Widgets to be added as a children.502 * @param index {Number} (Optional.) Number representing the position at 503 * which the child should be inserted.504 * @description Adds a Widget as a child. If the specified Widget already505 * has a parent it will be removed from its current parent before506 * being added as a child.507 * @return {ArrayList} Y.ArrayList containing the successfully added 508 * Widget instance(s). If no children where added, will return an empty 509 * Y.ArrayList instance.510 */511 add: function () {512 var added = this._add.apply(this, arguments),513 children = added ? (Lang.isArray(added) ? added : [added]) : [];514 return (new Y.ArrayList(children));515 },516 /**517 * @method remove518 * @param index {Number} (Optional.) Number representing the index of the 519 * child to be removed.520 * @description Removes the Widget from its parent. Optionally, can remove521 * a child by specifying its index.522 * @return {Widget} Widget instance that was successfully removed, otherwise523 * undefined.524 */525 remove: function (index) {526 var child = this._items[index],527 returnVal;528 if (child && this.fire("removeChild", { child: child, index: index })) {529 returnVal = child;530 }531 532 return returnVal;533 },534 /**535 * @method removeAll536 * @description Removes all of the children from the Widget.537 * @return {ArrayList} Y.ArrayList instance containing Widgets that were 538 * successfully removed. If no children where removed, will return an empty 539 * Y.ArrayList instance.540 */541 removeAll: function () {542 var removed = [],543 child;544 Y.each(this._items.concat(), function () {545 child = this.remove(0);546 if (child) {547 removed.push(child);548 }549 }, this);550 return (new Y.ArrayList(removed));551 },552 553 /**554 * Selects the child at the given index (zero-based).555 *556 * @method selectChild557 * @param {Number} i the index of the child to be selected558 */559 selectChild: function(i) {560 this.item(i).set('selected', 1);561 },562 /**563 * Selects all children.564 *565 * @method selectAll566 */567 selectAll: function () {568 this.set("selected", 1);569 },570 /**571 * Deselects all children.572 *573 * @method deselectAll574 */575 deselectAll: function () {576 this.set("selected", 0);577 },578 /**579 * Updates the UI in response to a child being added.580 *581 * @method _uiAddChild582 * @protected583 * @param child {Widget} The child Widget instance to render.584 * @param parentNode {Object} The Node under which the 585 * child Widget is to be rendered.586 */ 587 _uiAddChild: function (child, parentNode) {588 child.render(parentNode);589 // TODO: Ideally this should be in Child's render UI. 590 var childBB = child.get("boundingBox"),591 siblingBB,592 nextSibling = child.next(false),593 prevSibling;594 // Insert or Append to last child.595 // Avoiding index, and using the current sibling 596 // state (which should be accurate), means we don't have 597 // to worry about decorator elements which may be added 598 // to the _childContainer node.599 600 if (nextSibling && nextSibling.get(RENDERED)) {601 siblingBB = nextSibling.get(BOUNDING_BOX);602 siblingBB.insert(childBB, "before");603 } else {604 prevSibling = child.previous(false);605 if (prevSibling && prevSibling.get(RENDERED)) {606 siblingBB = prevSibling.get(BOUNDING_BOX);607 siblingBB.insert(childBB, "after");608 } else if (!parentNode.contains(childBB)) {609 // Based on pull request from andreas-karlsson610 // https://github.com/yui/yui3/pull/25#issuecomment-2103536611 // Account for case where a child was rendered independently of the 612 // parent-child framework, to a node outside of the parentNode,613 // and there are no siblings.614 parentNode.appendChild(childBB);615 }616 }617 },618 /**619 * Updates the UI in response to a child being removed.620 *621 * @method _uiRemoveChild622 * @protected623 * @param child {Widget} The child Widget instance to render.624 */ 625 _uiRemoveChild: function (child) {626 child.get("boundingBox").remove();627 },628 _afterAddChild: function (event) {629 var child = event.child;630 if (child.get("parent") == this) {631 this._uiAddChild(child, this._childrenContainer);632 }633 },634 _afterRemoveChild: function (event) {635 var child = event.child;636 if (child._oldParent == this) {637 this._uiRemoveChild(child);638 }639 },640 /**641 * Sets up DOM and CustomEvent listeners for the parent widget.642 * <p>643 * This method in invoked after bindUI is invoked for the Widget class644 * using YUI's aop infrastructure.645 * </p>646 *647 * @method _bindUIParent648 * @protected649 */650 _bindUIParent: function () {651 this.after("addChild", this._afterAddChild);652 this.after("removeChild", this._afterRemoveChild);653 },654 /**655 * Renders all child Widgets for the parent.656 * <p>657 * This method in invoked after renderUI is invoked for the Widget class658 * using YUI's aop infrastructure.659 * </p>660 * @method _renderChildren661 * @protected662 */663 _renderChildren: function () {664 /**665 * <p>By default WidgetParent will render it's children to the parent's content box.</p>666 *667 * <p>If the children need to be rendered somewhere else, the _childrenContainer property668 * can be set to the Node which the children should be rendered to. This property should be669 * set before the _renderChildren method is invoked, ideally in your renderUI method, 670 * as soon as you create the element to be rendered to.</p>671 *672 * @protected673 * @property _childrenContainer674 * @value The content box675 * @type Node676 */677 var renderTo = this._childrenContainer || this.get("contentBox");678 this._childrenContainer = renderTo;679 this.each(function (child) {680 child.render(renderTo);681 });682 },683 /**684 * Destroys all child Widgets for the parent.685 * <p>686 * This method is invoked before the destructor is invoked for the Widget 687 * class using YUI's aop infrastructure.688 * </p>689 * @method _destroyChildren690 * @protected691 */692 _destroyChildren: function () {693 // Detach the handler responsible for removing children in 694 // response to destroying them since:695 // 1) It is unnecessary/inefficient at this point since we are doing 696 // a batch destroy of all children.697 // 2) Removing each child will affect our ability to iterate the 698 // children since the size of _items will be changing as we 699 // iterate.700 this._hDestroyChild.detach();701 // Need to clone the _items array since 702 this.each(function (child) {703 child.destroy();704 });705 }706 707};708Y.augment(Parent, Y.ArrayList);709Y.WidgetParent = Parent;...

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widget-parent.js

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1/*2YUI 3.17.2 (build 9c3c78e)3Copyright 2014 Yahoo! Inc. All rights reserved.4Licensed under the BSD License.5http://yuilibrary.com/license/6*/7YUI.add('widget-parent', function (Y, NAME) {8/**9 * Extension enabling a Widget to be a parent of another Widget.10 *11 * @module widget-parent12 */13var Lang = Y.Lang,14 RENDERED = "rendered",15 BOUNDING_BOX = "boundingBox";16/**17 * Widget extension providing functionality enabling a Widget to be a18 * parent of another Widget.19 *20 * <p>In addition to the set of attributes supported by WidgetParent, the constructor21 * configuration object can also contain a <code>children</code> which can be used22 * to add child widgets to the parent during construction. The <code>children</code>23 * property is an array of either child widget instances or child widget configuration24 * objects, and is sugar for the <a href="#method_add">add</a> method. See the25 * <a href="#method_add">add</a> for details on the structure of the child widget26 * configuration object.27 * @class WidgetParent28 * @constructor29 * @uses ArrayList30 * @param {Object} config User configuration object.31 */32function Parent(config) {33 /**34 * Fires when a Widget is add as a child. The event object will have a35 * 'child' property that returns a reference to the child Widget, as well36 * as an 'index' property that returns a reference to the index specified37 * when the add() method was called.38 * <p>39 * Subscribers to the "on" moment of this event, will be notified40 * before a child is added.41 * </p>42 * <p>43 * Subscribers to the "after" moment of this event, will be notified44 * after a child is added.45 * </p>46 *47 * @event addChild48 * @preventable _defAddChildFn49 * @param {EventFacade} e The Event Facade50 */51 this.publish("addChild", {52 defaultTargetOnly: true,53 defaultFn: this._defAddChildFn54 });55 /**56 * Fires when a child Widget is removed. The event object will have a57 * 'child' property that returns a reference to the child Widget, as well58 * as an 'index' property that returns a reference child's ordinal position.59 * <p>60 * Subscribers to the "on" moment of this event, will be notified61 * before a child is removed.62 * </p>63 * <p>64 * Subscribers to the "after" moment of this event, will be notified65 * after a child is removed.66 * </p>67 *68 * @event removeChild69 * @preventable _defRemoveChildFn70 * @param {EventFacade} e The Event Facade71 */72 this.publish("removeChild", {73 defaultTargetOnly: true,74 defaultFn: this._defRemoveChildFn75 });76 this._items = [];77 var children,78 handle;79 if (config && config.children) {80 children = config.children;81 handle = this.after("initializedChange", function (e) {82 this._add(children);83 handle.detach();84 });85 }86 // Widget method overlap87 Y.after(this._renderChildren, this, "renderUI");88 Y.after(this._bindUIParent, this, "bindUI");89 this.after("selectionChange", this._afterSelectionChange);90 this.after("selectedChange", this._afterParentSelectedChange);91 this.after("activeDescendantChange", this._afterActiveDescendantChange);92 this._hDestroyChild = this.after("*:destroy", this._afterDestroyChild);93 this.after("*:focusedChange", this._updateActiveDescendant);94}95Parent.ATTRS = {96 /**97 * @attribute defaultChildType98 * @type {String|Object}99 *100 * @description String representing the default type of the children101 * managed by this Widget. Can also supply default type as a constructor102 * reference.103 */104 defaultChildType: {105 setter: function (val) {106 var returnVal = Y.Attribute.INVALID_VALUE,107 FnConstructor = Lang.isString(val) ? Y[val] : val;108 if (Lang.isFunction(FnConstructor)) {109 returnVal = FnConstructor;110 }111 return returnVal;112 }113 },114 /**115 * @attribute activeDescendant116 * @type Widget117 * @readOnly118 *119 * @description Returns the Widget's currently focused descendant Widget.120 */121 activeDescendant: {122 readOnly: true123 },124 /**125 * @attribute multiple126 * @type Boolean127 * @default false128 * @writeOnce129 *130 * @description Boolean indicating if multiple children can be selected at131 * once. Whether or not multiple selection is enabled is always delegated132 * to the value of the <code>multiple</code> attribute of the root widget133 * in the object hierarchy.134 */135 multiple: {136 value: false,137 validator: Lang.isBoolean,138 writeOnce: true,139 getter: function (value) {140 var root = this.get("root");141 return (root && root != this) ? root.get("multiple") : value;142 }143 },144 /**145 * @attribute selection146 * @type {ArrayList|Widget}147 * @readOnly148 *149 * @description Returns the currently selected child Widget. If the150 * <code>mulitple</code> attribte is set to <code>true</code> will151 * return an Y.ArrayList instance containing the currently selected152 * children. If no children are selected, will return null.153 */154 selection: {155 readOnly: true,156 setter: "_setSelection",157 getter: function (value) {158 var selection = Lang.isArray(value) ?159 (new Y.ArrayList(value)) : value;160 return selection;161 }162 },163 selected: {164 setter: function (value) {165 // Enforces selection behavior on for parent Widgets. Parent's166 // selected attribute can be set to the following:167 // 0 - Not selected168 // 1 - Fully selected (all children are selected). In order for169 // all children to be selected, multiple selection must be170 // enabled. Therefore, you cannot set the "selected" attribute171 // on a parent Widget to 1 unless multiple selection is enabled.172 // 2 - Partially selected, meaning one ore more (but not all)173 // children are selected.174 var returnVal = value;175 if (value === 1 && !this.get("multiple")) {176 returnVal = Y.Attribute.INVALID_VALUE;177 }178 return returnVal;179 }180 }181};182Parent.prototype = {183 /**184 * The destructor implementation for Parent widgets. Destroys all children.185 * @method destructor186 */187 destructor: function() {188 this._destroyChildren();189 },190 /**191 * Destroy event listener for each child Widget, responsible for removing192 * the destroyed child Widget from the parent's internal array of children193 * (_items property).194 *195 * @method _afterDestroyChild196 * @protected197 * @param {EventFacade} event The event facade for the attribute change.198 */199 _afterDestroyChild: function (event) {200 var child = event.target;201 if (child.get("parent") == this) {202 child.remove();203 }204 },205 /**206 * Attribute change listener for the <code>selection</code>207 * attribute, responsible for setting the value of the208 * parent's <code>selected</code> attribute.209 *210 * @method _afterSelectionChange211 * @protected212 * @param {EventFacade} event The event facade for the attribute change.213 */214 _afterSelectionChange: function (event) {215 if (event.target == this && event.src != this) {216 var selection = event.newVal,217 selectedVal = 0; // Not selected218 if (selection) {219 selectedVal = 2; // Assume partially selected, confirm otherwise220 if (Y.instanceOf(selection, Y.ArrayList) &&221 (selection.size() === this.size())) {222 selectedVal = 1; // Fully selected223 }224 }225 this.set("selected", selectedVal, { src: this });226 }227 },228 /**229 * Attribute change listener for the <code>activeDescendant</code>230 * attribute, responsible for setting the value of the231 * parent's <code>activeDescendant</code> attribute.232 *233 * @method _afterActiveDescendantChange234 * @protected235 * @param {EventFacade} event The event facade for the attribute change.236 */237 _afterActiveDescendantChange: function (event) {238 var parent = this.get("parent");239 if (parent) {240 parent._set("activeDescendant", event.newVal);241 }242 },243 /**244 * Attribute change listener for the <code>selected</code>245 * attribute, responsible for syncing the selected state of all children to246 * match that of their parent Widget.247 *248 *249 * @method _afterParentSelectedChange250 * @protected251 * @param {EventFacade} event The event facade for the attribute change.252 */253 _afterParentSelectedChange: function (event) {254 var value = event.newVal;255 if (this == event.target && event.src != this &&256 (value === 0 || value === 1)) {257 this.each(function (child) {258 // Specify the source of this change as the parent so that259 // value of the parent's "selection" attribute isn't260 // recalculated261 child.set("selected", value, { src: this });262 }, this);263 }264 },265 /**266 * Default setter for <code>selection</code> attribute changes.267 *268 * @method _setSelection269 * @protected270 * @param child {Widget|Array} Widget or Array of Widget instances.271 * @return {Widget|Array} Widget or Array of Widget instances.272 */273 _setSelection: function (child) {274 var selection = null,275 selected;276 if (this.get("multiple") && !this.isEmpty()) {277 selected = [];278 this.each(function (v) {279 if (v.get("selected") > 0) {280 selected.push(v);281 }282 });283 if (selected.length > 0) {284 selection = selected;285 }286 }287 else {288 if (child.get("selected") > 0) {289 selection = child;290 }291 }292 return selection;293 },294 /**295 * Attribute change listener for the <code>selected</code>296 * attribute of child Widgets, responsible for setting the value of the297 * parent's <code>selection</code> attribute.298 *299 * @method _updateSelection300 * @protected301 * @param {EventFacade} event The event facade for the attribute change.302 */303 _updateSelection: function (event) {304 var child = event.target,305 selection;306 if (child.get("parent") == this) {307 if (event.src != "_updateSelection") {308 selection = this.get("selection");309 if (!this.get("multiple") && selection && event.newVal > 0) {310 // Deselect the previously selected child.311 // Set src equal to the current context to prevent312 // unnecessary re-calculation of the selection.313 selection.set("selected", 0, { src: "_updateSelection" });314 }315 this._set("selection", child);316 }317 if (event.src == this) {318 this._set("selection", child, { src: this });319 }320 }321 },322 /**323 * Attribute change listener for the <code>focused</code>324 * attribute of child Widgets, responsible for setting the value of the325 * parent's <code>activeDescendant</code> attribute.326 *327 * @method _updateActiveDescendant328 * @protected329 * @param {EventFacade} event The event facade for the attribute change.330 */331 _updateActiveDescendant: function (event) {332 var activeDescendant = (event.newVal === true) ? event.target : null;333 this._set("activeDescendant", activeDescendant);334 },335 /**336 * Creates an instance of a child Widget using the specified configuration.337 * By default Widget instances will be created of the type specified338 * by the <code>defaultChildType</code> attribute. Types can be explicitly339 * defined via the <code>childType</code> property of the configuration object340 * literal. The use of the <code>type</code> property has been deprecated, but341 * will still be used as a fallback, if <code>childType</code> is not defined,342 * for backwards compatibility.343 *344 * @method _createChild345 * @protected346 * @param config {Object} Object literal representing the configuration347 * used to create an instance of a Widget.348 */349 _createChild: function (config) {350 var defaultType = this.get("defaultChildType"),351 altType = config.childType || config.type,352 child,353 Fn,354 FnConstructor;355 if (altType) {356 Fn = Lang.isString(altType) ? Y[altType] : altType;357 }358 if (Lang.isFunction(Fn)) {359 FnConstructor = Fn;360 } else if (defaultType) {361 // defaultType is normalized to a function in it's setter362 FnConstructor = defaultType;363 }364 if (FnConstructor) {365 child = new FnConstructor(config);366 } else {367 Y.error("Could not create a child instance because its constructor is either undefined or invalid.");368 }369 return child;370 },371 /**372 * Default addChild handler373 *374 * @method _defAddChildFn375 * @protected376 * @param event {EventFacade} The Event object377 * @param child {Widget} The Widget instance, or configuration378 * object for the Widget to be added as a child.379 * @param index {Number} Number representing the position at380 * which the child will be inserted.381 */382 _defAddChildFn: function (event) {383 var child = event.child,384 index = event.index,385 children = this._items;386 if (child.get("parent")) {387 child.remove();388 }389 if (Lang.isNumber(index)) {390 children.splice(index, 0, child);391 }392 else {393 children.push(child);394 }395 child._set("parent", this);396 child.addTarget(this);397 // Update index in case it got normalized after addition398 // (e.g. user passed in 10, and there are only 3 items, the actual index would be 3. We don't want to pass 10 around in the event facade).399 event.index = child.get("index");400 // TO DO: Remove in favor of using event bubbling401 child.after("selectedChange", Y.bind(this._updateSelection, this));402 },403 /**404 * Default removeChild handler405 *406 * @method _defRemoveChildFn407 * @protected408 * @param event {EventFacade} The Event object409 * @param child {Widget} The Widget instance to be removed.410 * @param index {Number} Number representing the index of the Widget to411 * be removed.412 */413 _defRemoveChildFn: function (event) {414 var child = event.child,415 index = event.index,416 children = this._items;417 if (child.get("focused")) {418 child.blur(); // focused is readOnly, so use the public i/f to unset it419 }420 if (child.get("selected")) {421 child.set("selected", 0);422 }423 children.splice(index, 1);424 child.removeTarget(this);425 child._oldParent = child.get("parent");426 child._set("parent", null);427 },428 /**429 * @method _add430 * @protected431 * @param child {Widget|Object} The Widget instance, or configuration432 * object for the Widget to be added as a child.433 * @param child {Array} Array of Widget instances, or configuration434 * objects for the Widgets to be added as a children.435 * @param index {Number} (Optional.) Number representing the position at436 * which the child should be inserted.437 * @description Adds a Widget as a child. If the specified Widget already438 * has a parent it will be removed from its current parent before439 * being added as a child.440 * @return {Widget|Array} Successfully added Widget or Array containing the441 * successfully added Widget instance(s). If no children where added, will442 * will return undefined.443 */444 _add: function (child, index) {445 var children,446 oChild,447 returnVal;448 if (Lang.isArray(child)) {449 children = [];450 Y.each(child, function (v, k) {451 oChild = this._add(v, (index + k));452 if (oChild) {453 children.push(oChild);454 }455 }, this);456 if (children.length > 0) {457 returnVal = children;458 }459 }460 else {461 if (Y.instanceOf(child, Y.Widget)) {462 oChild = child;463 }464 else {465 oChild = this._createChild(child);466 }467 if (oChild && this.fire("addChild", { child: oChild, index: index })) {468 returnVal = oChild;469 }470 }471 return returnVal;472 },473 /**474 * @method add475 * @param child {Widget|Object} The Widget instance, or configuration476 * object for the Widget to be added as a child. The configuration object477 * for the child can include a <code>childType</code> property, which is either478 * a constructor function or a string which names a constructor function on the479 * Y instance (e.g. "Tab" would refer to Y.Tab) (<code>childType</code> used to be480 * named <code>type</code>, support for which has been deprecated, but is still481 * maintained for backward compatibility. <code>childType</code> takes precedence482 * over <code>type</code> if both are defined.483 * @param child {Array} Array of Widget instances, or configuration484 * objects for the Widgets to be added as a children.485 * @param index {Number} (Optional.) Number representing the position at486 * which the child should be inserted.487 * @description Adds a Widget as a child. If the specified Widget already488 * has a parent it will be removed from its current parent before489 * being added as a child.490 * @return {ArrayList} Y.ArrayList containing the successfully added491 * Widget instance(s). If no children where added, will return an empty492 * Y.ArrayList instance.493 */494 add: function () {495 var added = this._add.apply(this, arguments),496 children = added ? (Lang.isArray(added) ? added : [added]) : [];497 return (new Y.ArrayList(children));498 },499 /**500 * @method remove501 * @param index {Number} (Optional.) Number representing the index of the502 * child to be removed.503 * @description Removes the Widget from its parent. Optionally, can remove504 * a child by specifying its index.505 * @return {Widget} Widget instance that was successfully removed, otherwise506 * undefined.507 */508 remove: function (index) {509 var child = this._items[index],510 returnVal;511 if (child && this.fire("removeChild", { child: child, index: index })) {512 returnVal = child;513 }514 return returnVal;515 },516 /**517 * @method removeAll518 * @description Removes all of the children from the Widget.519 * @return {ArrayList} Y.ArrayList instance containing Widgets that were520 * successfully removed. If no children where removed, will return an empty521 * Y.ArrayList instance.522 */523 removeAll: function () {524 var removed = [],525 child;526 Y.each(this._items.concat(), function () {527 child = this.remove(0);528 if (child) {529 removed.push(child);530 }531 }, this);532 return (new Y.ArrayList(removed));533 },534 /**535 * Selects the child at the given index (zero-based).536 *537 * @method selectChild538 * @param {Number} i the index of the child to be selected539 */540 selectChild: function(i) {541 this.item(i).set('selected', 1);542 },543 /**544 * Selects all children.545 *546 * @method selectAll547 */548 selectAll: function () {549 this.set("selected", 1);550 },551 /**552 * Deselects all children.553 *554 * @method deselectAll555 */556 deselectAll: function () {557 this.set("selected", 0);558 },559 /**560 * Updates the UI in response to a child being added.561 *562 * @method _uiAddChild563 * @protected564 * @param child {Widget} The child Widget instance to render.565 * @param parentNode {Object} The Node under which the566 * child Widget is to be rendered.567 */568 _uiAddChild: function (child, parentNode) {569 child.render(parentNode);570 // TODO: Ideally this should be in Child's render UI.571 var childBB = child.get("boundingBox"),572 siblingBB,573 nextSibling = child.next(false),574 prevSibling;575 // Insert or Append to last child.576 // Avoiding index, and using the current sibling577 // state (which should be accurate), means we don't have578 // to worry about decorator elements which may be added579 // to the _childContainer node.580 if (nextSibling && nextSibling.get(RENDERED)) {581 siblingBB = nextSibling.get(BOUNDING_BOX);582 siblingBB.insert(childBB, "before");583 } else {584 prevSibling = child.previous(false);585 if (prevSibling && prevSibling.get(RENDERED)) {586 siblingBB = prevSibling.get(BOUNDING_BOX);587 siblingBB.insert(childBB, "after");588 } else if (!parentNode.contains(childBB)) {589 // Based on pull request from andreas-karlsson590 // https://github.com/yui/yui3/pull/25#issuecomment-2103536591 // Account for case where a child was rendered independently of the592 // parent-child framework, to a node outside of the parentNode,593 // and there are no siblings.594 parentNode.appendChild(childBB);595 }596 }597 },598 /**599 * Updates the UI in response to a child being removed.600 *601 * @method _uiRemoveChild602 * @protected603 * @param child {Widget} The child Widget instance to render.604 */605 _uiRemoveChild: function (child) {606 child.get("boundingBox").remove();607 },608 _afterAddChild: function (event) {609 var child = event.child;610 if (child.get("parent") == this) {611 this._uiAddChild(child, this._childrenContainer);612 }613 },614 _afterRemoveChild: function (event) {615 var child = event.child;616 if (child._oldParent == this) {617 this._uiRemoveChild(child);618 }619 },620 /**621 * Sets up DOM and CustomEvent listeners for the parent widget.622 * <p>623 * This method in invoked after bindUI is invoked for the Widget class624 * using YUI's aop infrastructure.625 * </p>626 *627 * @method _bindUIParent628 * @protected629 */630 _bindUIParent: function () {631 this.after("addChild", this._afterAddChild);632 this.after("removeChild", this._afterRemoveChild);633 },634 /**635 * Renders all child Widgets for the parent.636 * <p>637 * This method in invoked after renderUI is invoked for the Widget class638 * using YUI's aop infrastructure.639 * </p>640 * @method _renderChildren641 * @protected642 */643 _renderChildren: function () {644 /**645 * <p>By default WidgetParent will render it's children to the parent's content box.</p>646 *647 * <p>If the children need to be rendered somewhere else, the _childrenContainer property648 * can be set to the Node which the children should be rendered to. This property should be649 * set before the _renderChildren method is invoked, ideally in your renderUI method,650 * as soon as you create the element to be rendered to.</p>651 *652 * @protected653 * @property _childrenContainer654 * @value The content box655 * @type Node656 */657 var renderTo = this._childrenContainer || this.get("contentBox");658 this._childrenContainer = renderTo;659 this.each(function (child) {660 child.render(renderTo);661 });662 },663 /**664 * Destroys all child Widgets for the parent.665 * <p>666 * This method is invoked before the destructor is invoked for the Widget667 * class using YUI's aop infrastructure.668 * </p>669 * @method _destroyChildren670 * @protected671 */672 _destroyChildren: function () {673 // Detach the handler responsible for removing children in674 // response to destroying them since:675 // 1) It is unnecessary/inefficient at this point since we are doing676 // a batch destroy of all children.677 // 2) Removing each child will affect our ability to iterate the678 // children since the size of _items will be changing as we679 // iterate.680 this._hDestroyChild.detach();681 // Need to clone the _items array since682 this.each(function (child) {683 child.destroy();684 });685 }686};687Y.augment(Parent, Y.ArrayList);688Y.WidgetParent = Parent;...

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DTxml_Parser.py

Source:DTxml_Parser.py Github

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1import xml.etree.ElementTree as ET 2from xml.dom.minidom import Document 3import os 4import cv2 5import time 6 7def ConvertVOCXml(file_path="",file_name=""): 8 tree = ET.parse(file_name) 9 root = tree.getroot() 10 # print(root.tag) 11 12 num=0 #计数 13 #读xml操作 14 15 frame_lists=[] 16 output_file_name="" 17 for child in root: 18 19 if(child.tag=="frame"): 20 # 创建dom文档 21 doc = Document() 22 # 创建根节点 23 annotation = doc.createElement('annotation') 24 # 根节点插入dom树 25 doc.appendChild(annotation) 26 27 #print(child.tag, child.attrib["num"]) 28 pic_id= child.attrib["num"].zfill(5) 29 #print(pic_id) 30 output_file_name=root.attrib["name"]+"__img"+pic_id+".xml" 31 # print(output_file_name) 32 33 folder = doc.createElement("folder") 34 folder.appendChild(doc.createTextNode("VOC2007")) 35 annotation.appendChild(folder) 36 37 filename = doc.createElement("filename") 38 pic_name="img"+pic_id+".jpg" 39 filename.appendChild(doc.createTextNode(pic_name)) 40 annotation.appendChild(filename) 41 42 sizeimage = doc.createElement("size") 43 imagewidth = doc.createElement("width") 44 imageheight = doc.createElement("height") 45 imagedepth = doc.createElement("depth") 46 47 imagewidth.appendChild(doc.createTextNode("960")) 48 imageheight.appendChild(doc.createTextNode("540")) 49 imagedepth.appendChild(doc.createTextNode("3")) 50 51 sizeimage.appendChild(imagedepth) 52 sizeimage.appendChild(imagewidth) 53 sizeimage.appendChild(imageheight) 54 annotation.appendChild(sizeimage) 55 56 target_list=child.getchildren()[0] #获取target_list 57 #print(target_list.tag) 58 object=None 59 for target in target_list: 60 if(target.tag=="target"): 61 #print(target.tag) 62 object = doc.createElement('object') 63 bndbox = doc.createElement("bndbox") 64 65 for target_child in target: 66 if(target_child.tag=="box"): 67 xmin = doc.createElement("xmin") 68 ymin = doc.createElement("ymin") 69 xmax = doc.createElement("xmax") 70 ymax = doc.createElement("ymax") 71 xmin_value=int(float(target_child.attrib["left"])) 72 ymin_value=int(float(target_child.attrib["top"])) 73 box_width_value=int(float(target_child.attrib["width"])) 74 box_height_value=int(float(target_child.attrib["height"])) 75 xmin.appendChild(doc.createTextNode(str(xmin_value))) 76 ymin.appendChild(doc.createTextNode(str(ymin_value))) 77 if(xmin_value+box_width_value>960): 78 xmax.appendChild(doc.createTextNode(str(960))) 79 else: 80 xmax.appendChild(doc.createTextNode(str(xmin_value+box_width_value))) 81 if(ymin_value+box_height_value>540): 82 ymax.appendChild(doc.createTextNode(str(540))) 83 else: 84 ymax.appendChild(doc.createTextNode(str(ymin_value+box_height_value))) 85 86 if(target_child.tag=="attribute"): 87 name = doc.createElement('name') 88 pose=doc.createElement('pose') 89 truncated=doc.createElement('truncated') 90 difficult=doc.createElement('difficult') 91 92 TYPE= target_child.attrib['vehicle_type']93 name.appendChild(doc.createTextNode(TYPE)) 94 pose.appendChild(doc.createTextNode("Left")) #随意指定 95 truncated.appendChild(doc.createTextNode("0")) #随意指定 96 difficult.appendChild(doc.createTextNode("0")) #随意指定 97 98 99 object.appendChild(name) 100 object.appendChild(pose) 101 object.appendChild(truncated) 102 object.appendChild(difficult) 103 104 bndbox.appendChild(xmin) 105 bndbox.appendChild(ymin) 106 bndbox.appendChild(xmax) 107 bndbox.appendChild(ymax) 108 object.appendChild(bndbox) 109 annotation.appendChild(object) 110 111 112 file_path_out=os.path.join(file_path,output_file_name) 113 f = open(file_path_out, 'w') 114 f.write(doc.toprettyxml(indent=' ' * 4)) 115 f.close() 116 num=num+1 117 return num 118 119 120 121 122''''' 123画方框 124''' 125def bboxes_draw_on_img(img, bbox, color=[255, 0, 0], thickness=2): 126 127 # Draw bounding box... 128 print(bbox) 129 p1 = (int(float(bbox["xmin"])), int(float(bbox["ymin"]))) 130 p2 = (int(float(bbox["xmax"])), int(float(bbox["ymax"]))) 131 cv2.rectangle(img, p1, p2, color, thickness) 132 133 134def visualization_image(image_name,xml_file_name): 135 tree = ET.parse(xml_file_name) 136 root = tree.getroot() 137 138 object_lists=[] 139 for child in root: 140 if(child.tag=="folder"): 141 print(child.tag, child.text) 142 elif (child.tag == "filename"): 143 print(child.tag, child.text) 144 elif (child.tag == "size"): #解析size 145 for size_child in child: 146 if(size_child.tag=="width"): 147 print(size_child.tag,size_child.text) 148 elif (size_child.tag == "height"): 149 print(size_child.tag, size_child.text) 150 elif (size_child.tag == "depth"): 151 print(size_child.tag, size_child.text) 152 elif (child.tag == "object"): #解析object 153 singleObject={} 154 for object_child in child: 155 if (object_child.tag == "name"): 156 # print(object_child.tag,object_child.text) 157 singleObject["name"] = object_child.text 158 elif (object_child.tag == "bndbox"): 159 for bndbox_child in object_child: 160 if (bndbox_child.tag == "xmin"): 161 singleObject["xmin"] = bndbox_child.text 162 # print(bndbox_child.tag, bndbox_child.text) 163 elif (bndbox_child.tag == "ymin"): 164 # print(bndbox_child.tag, bndbox_child.text) 165 singleObject["ymin"] = bndbox_child.text 166 elif (bndbox_child.tag == "xmax"): 167 singleObject["xmax"] = bndbox_child.text 168 elif (bndbox_child.tag == "ymax"): 169 singleObject["ymax"] = bndbox_child.text 170 object_length=len(singleObject) 171 if(object_length>0): 172 object_lists.append(singleObject) 173 img = cv2.imread(image_name) 174 for object_coordinate in object_lists: 175 bboxes_draw_on_img(img,object_coordinate) 176 cv2.imshow("capture", img) 177 cv2.waitKey (0) 178 cv2.destroyAllWindows() 179 180 181if ( __name__ == "__main__"): 182 #print("main") 183 basePath="DETRAC-Train-Annotations-XML" 184 totalxml=os.listdir(basePath) 185 total_num=0 186 flag=False 187 print("正在转换") 188 saveBasePath="xml_test" 189 if os.path.exists(saveBasePath)==False: #判断文件夹是否存在 190 os.makedirs(saveBasePath) 191 192 #ConvertVOCXml(file_path="samplexml",file_name="000009.xml") 193 # Start time 194 start = time.time() 195 log=open("xml_statistical.txt","w") #分析日志，进行排错 196 for xml in totalxml: 197 file_name=os.path.join(basePath,xml) 198 print(file_name) 199 num=ConvertVOCXml(file_path=saveBasePath,file_name=file_name) 200 print(num) 201 total_num=total_num+num 202 log.write(file_name+" "+str(num)+"\n") 203 # End time 204 end = time.time() 205 seconds=end-start 206 print( "Time taken : {0} seconds".format(seconds)) 207 print(total_num) 208 log.write(str(total_num)+"\n") ...

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child_process.js

Source:child_process.js Github

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1/**2 * Node provides a tri-directional popen(3) facility through the3 * child_process module.4 */5var child_process = {};6/**7 * Launches a new process with the given command, with command line8 * arguments in args.9 * @param command {String}10 * @param args {Array}11 * @param options {Object}12 * @returns {child_process.ChildProcess}13 */14child_process.spawn = function(command, args, options) {}15/**16 * ChildProcess is an [EventEmitter][].17 * @constructor18 */19child_process.ChildProcess = function() {}20child_process.ChildProcess.prototype = new events.EventEmitter();21/**22 * Send a signal to the child process. If no argument is given, the process23 * will be sent 'SIGTERM'. See signal(7) for a list of available signals.24 * @param signal='SIGTERM' {String}25 */26child_process.ChildProcess.prototype.kill = function(signal) {}27/**28 * A Writable Stream that represents the child process's stdin.29 * @type {stream.WritableStream}30 */31child_process.ChildProcess.prototype.stdin = 0;32/**33 * The PID of the child process.34 */35child_process.ChildProcess.prototype.pid = 0;36/**37 * A Readable Stream that represents the child process's stderr.38 * @type {stream.ReadableStream}39 */40child_process.ChildProcess.prototype.stderr = 0;41/**42 * A Readable Stream that represents the child process's stdout.43 * @type {stream.ReadableStream}44 */45child_process.ChildProcess.prototype.stdout = 0;46/**47 * To close the IPC connection between parent and child use the48 * child.disconnect() method. This allows the child to exit gracefully49 * since there is no IPC channel keeping it alive. When calling this method50 * the disconnect event will be emitted in both parent and child, and the51 * connected flag will be set to false. Please note that you can also call52 * process.disconnect() in the child process.53 */54child_process.ChildProcess.prototype.disconnect = function() {}55/**56 * When using child_process.fork() you can write to the child using57 * child.send(message, [sendHandle]) and messages are received by a58 * 'message' event on the child.59 * @param message {Object}60 * @param sendHandle {Handle}61 */62child_process.ChildProcess.prototype.send = function(message, sendHandle) {}63/** @__local__ */ child_process.ChildProcess.__events__ = {};64/**65 * This event is emitted after the child process ends. If the process66 * terminated normally, code is the final exit code of the process,67 * otherwise null. If the process terminated due to receipt of a signal,68 * signal is the string name of the signal, otherwise null. Note that the69 * child process stdio streams might still be open. See waitpid(2).70 * @param code=null {Number}71 * @param signal=null {String}72 */73child_process.ChildProcess.__events__.exit = function(code, signal) {};74/**75 * This event is emitted when the stdio streams of a child process have all76 * terminated. This is distinct from 'exit', since multiple processes might77 * share the same stdio streams.78 */79child_process.ChildProcess.__events__.close = function() {};80/**81 * This event is emitted after using the .disconnect() method in the parent82 * or in the child. After disconnecting it is no longer possible to send83 * messages. An alternative way to check if you can send messages is to see84 * if the child.connected property is true.85 */86child_process.ChildProcess.__events__.disconnect = function() {};87/**88 * Messages send by .send(message, [sendHandle]) are obtained using the89 * message event.90 */91child_process.ChildProcess.__events__.message = function() {};92/**93 * Runs a command in a shell and buffers the output.94 * @param command {String}95 * @param options {Object}96 * @param callback {Function}97 * @returns {child_process.ChildProcess} ChildProcess object98 */99child_process.exec = function(command, options, callback) {}100/**101 * This is similar to child_process.exec() except it does not execute a102 * subshell but rather the specified file directly. This makes it slightly103 * leaner than child_process.exec. It has the same options.104 * @param file {String}105 * @param args {Array}106 * @param options {Object}107 * @param callback {Function}108 * @returns {child_process.ChildProcess} ChildProcess object109 */110child_process.execFile = function(file, args, options, callback) {}111/**112 * This is a special case of the spawn() functionality for spawning Node113 * processes. In addition to having all the methods in a normal114 * ChildProcess instance, the returned object has a communication channel115 * built-in. See child.send(message, [sendHandle]) for details.116 * @param modulePath {String}117 * @param args {Array}118 * @param options {Object}119 * @returns {child_process.ChildProcess} ChildProcess object120 */121child_process.fork = function(modulePath, args, options) {}122/* used for giving types to ChildProcess.std* */123var stream = require('stream');124var events = require('events');...

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test_embed.py

Source:test_embed.py Github

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1"""Test embedding of IPython"""2#-----------------------------------------------------------------------------3# Copyright (C) 2013 The IPython Development Team4#5# Distributed under the terms of the BSD License. The full license is in6# the file COPYING, distributed as part of this software.7#-----------------------------------------------------------------------------8#-----------------------------------------------------------------------------9# Imports10#-----------------------------------------------------------------------------11import os12import subprocess13import sys14import nose.tools as nt15from IPython.utils.tempdir import NamedFileInTemporaryDirectory16from IPython.testing.decorators import skip_win3217#-----------------------------------------------------------------------------18# Tests19#-----------------------------------------------------------------------------20_sample_embed = b"""21import IPython22a = 323b = 1424print(a, '.', b)25IPython.embed()26print('bye!')27"""28_exit = b"exit\r"29def test_ipython_embed():30 """test that `IPython.embed()` works"""31 with NamedFileInTemporaryDirectory('file_with_embed.py') as f:32 f.write(_sample_embed)33 f.flush()34 f.close() # otherwise msft won't be able to read the file35 # run `python file_with_embed.py`36 cmd = [sys.executable, f.name]37 env = os.environ.copy()38 env['IPY_TEST_SIMPLE_PROMPT'] = '1'39 p = subprocess.Popen(cmd, env=env, stdin=subprocess.PIPE,40 stdout=subprocess.PIPE, stderr=subprocess.PIPE)41 out, err = p.communicate(_exit)42 std = out.decode('UTF-8')43 nt.assert_equal(p.returncode, 0)44 nt.assert_in('3 . 14', std)45 if os.name != 'nt':46 # TODO: Fix up our different stdout references, see issue gh-1447 nt.assert_in('IPython', std)48 nt.assert_in('bye!', std)49@skip_win3250def test_nest_embed():51 """test that `IPython.embed()` is nestable"""52 import pexpect53 ipy_prompt = r']:' #ansi color codes give problems matching beyond this54 env = os.environ.copy()55 env['IPY_TEST_SIMPLE_PROMPT'] = '1'56 child = pexpect.spawn(sys.executable, ['-m', 'IPython', '--colors=nocolor'],57 env=env)58 child.expect(ipy_prompt)59 child.sendline("import IPython")60 child.expect(ipy_prompt)61 child.sendline("ip0 = get_ipython()")62 #enter first nested embed63 child.sendline("IPython.embed()")64 #skip the banner until we get to a prompt65 try:66 prompted = -167 while prompted != 0:68 prompted = child.expect([ipy_prompt, '\r\n'])69 except pexpect.TIMEOUT as e:70 print(e)71 #child.interact()72 child.sendline("embed1 = get_ipython()"); child.expect(ipy_prompt)73 child.sendline("print('true' if embed1 is not ip0 else 'false')")74 assert(child.expect(['true\r\n', 'false\r\n']) == 0)75 child.expect(ipy_prompt)76 child.sendline("print('true' if IPython.get_ipython() is embed1 else 'false')")77 assert(child.expect(['true\r\n', 'false\r\n']) == 0)78 child.expect(ipy_prompt)79 #enter second nested embed80 child.sendline("IPython.embed()")81 #skip the banner until we get to a prompt82 try:83 prompted = -184 while prompted != 0:85 prompted = child.expect([ipy_prompt, '\r\n'])86 except pexpect.TIMEOUT as e:87 print(e)88 #child.interact()89 child.sendline("embed2 = get_ipython()"); child.expect(ipy_prompt)90 child.sendline("print('true' if embed2 is not embed1 else 'false')")91 assert(child.expect(['true\r\n', 'false\r\n']) == 0)92 child.expect(ipy_prompt)93 child.sendline("print('true' if embed2 is IPython.get_ipython() else 'false')")94 assert(child.expect(['true\r\n', 'false\r\n']) == 0)95 child.expect(ipy_prompt)96 child.sendline('exit')97 #back at first embed98 child.expect(ipy_prompt)99 child.sendline("print('true' if get_ipython() is embed1 else 'false')")100 assert(child.expect(['true\r\n', 'false\r\n']) == 0)101 child.expect(ipy_prompt)102 child.sendline("print('true' if IPython.get_ipython() is embed1 else 'false')")103 assert(child.expect(['true\r\n', 'false\r\n']) == 0)104 child.expect(ipy_prompt)105 child.sendline('exit')106 #back at launching scope107 child.expect(ipy_prompt)108 child.sendline("print('true' if get_ipython() is ip0 else 'false')")109 assert(child.expect(['true\r\n', 'false\r\n']) == 0)110 child.expect(ipy_prompt)111 child.sendline("print('true' if IPython.get_ipython() is ip0 else 'false')")112 assert(child.expect(['true\r\n', 'false\r\n']) == 0)113 child.expect(ipy_prompt)114 child.sendline('exit')...

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binary_search_tree.py

Source:binary_search_tree.py Github

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1class Node (object):2 def __init__ (self, data):3 self.data = data4 self.rightChild = None5 self.leftChild = None6class BinaryTree (object):7 def __init__ (self):8 self.root = None9 def insert (self, newData):10 leaf = Node(newData)11 if self.root is None:12 self.root = leaf13 else:14 current = self.root15 parent = self.root16 while current is not None:17 parent = current18 if newData < current.data:19 current = current.leftChild20 else:21 current = current.rightChild22 if newData < parent.data:23 parent.leftChild = leaf24 else:25 parent.rightChild = leaf26 # returns false if the item to be deleted is not on the tree27 def delete (self, data):28 current = self.root29 parent = self.root30 isLeft = False31 if current is None:32 return False33 while current is not None and current.data is not data:34 parent = current35 if data < current.data:36 current = current.leftChild37 isLeft = True 38 else:39 current = current.rightChild40 isLeft = False41 if current is None:42 return False43 if current.leftChild is None and current.rightChild is None:44 if current is self.root:45 self.root = None46 elif isLeft:47 parent.leftChild = None48 else:49 parent.rightChild = None50 elif current.rightChild is None:51 if current is self.root:52 self.root = current.leftChild53 elif isLeft:54 parent.leftChild = current.leftChild55 else:56 parent.rightChild = current.leftChild57 elif current.rightChild is None:58 if current is self.root:59 self.root = current.rightChild60 elif isLeft:61 parent.lChild = current.rightChild62 else:63 parent.rightChild = current.rightChild64 else:65 succesor = current.rightChild66 succesorParent = current67 while succesor.leftChild is not None:68 succesorParent = succesor69 succesor = succesor.leftChild70 if current is self.root:71 self.root = succesor72 elif isLeft:73 parent.leftChild = succesor74 else:75 parent.rightChild = succesor76 succesor.leftChild = current.leftChild77 if succesor is not current.rightChild:78 succesorParent.leftChild = succesor.rightChild79 succesor.rightChild = current.rightChild80 return True 81 def minNode (self):82 current = self.root83 while current.leftChild is not None:84 current = current.leftChild85 return current.data86 def maxNode (self):87 current = self.root88 while current.rightChild is not None:89 current = current.rightChild90 return current.data91 def printPostOrder (self):92 global postOrder93 postOrder = []94 def PostOrder(node):95 if node is not None:96 PostOrder(node.leftChild)97 PostOrder(node.rightChild)98 postOrder.append(node.data)99 PostOrder(self.root)100 return postOrder101 def printInOrder (self):102 global inOrder 103 inOrder = []104 def InOrder (node):105 if node is not None:106 InOrder(node.leftChild)107 inOrder.append(node.data)108 InOrder(node.rightChild)109 InOrder(self.root)110 return inOrder111 def printPreOrder (self):112 global preOrder113 preOrder = []114 def PreOrder (node):115 if node is not None:116 preOrder.append(node.data)117 PreOrder(node.leftChild)118 PreOrder(node.rightChild)119 PreOrder(self.root)120 return preOrder121 def treeIsEmpty (self):...

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Using AI Code Generation

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1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3 if (err) return console.error(err);4 console.log('Test submitted to WebPagetest for %s', data.data.testUrl);5 console.log('Test ID: %s', data.data.testId);6 wpt.getTestResults(data.data.testId, function(err, data) {7 if (err) return console.error(err);8 console.log('Test results for %s', data.data.testUrl);9 console.log('First View (i.e. Load Time): %s ms', data.data.average.firstView.loadTime);10 console.log('Repeat View (i.e. Load Time): %s ms', data.data.average.repeatView.loadTime);11 });12});13var wpt = require('webpagetest');14var wpt = new WebPageTest('www.webpagetest.org');15 if (err) return console.error(err);16 console.log('Test submitted to WebPagetest for %s', data.data.testUrl);17 console.log('Test ID: %s', data.data.testId);18 wpt.getTestResults(data.data.testId, function(err, data) {19 if (err) return console.error(err);20 console.log('Test results for %s', data.data.testUrl);21 console.log('First View (i.e. Load Time): %s ms', data.data.average.firstView.loadTime);22 console.log('Repeat View (i.e. Load Time): %s ms', data.data.average.repeatView.loadTime);23 });24});25var wpt = require('webpagetest');26var wpt = new WebPageTest('www.webpagetest.org');27 if (err) return console.error(err);28 console.log('Test submitted to WebPagetest for %s', data.data.testUrl);29 console.log('Test ID: %s', data.data.testId);30 wpt.getTestResults(data.data.testId, function(err, data) {

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Using AI Code Generation

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1var wpt = require('webpagetest');2var child = wpt('www.webpagetest.org');3 if (err) return console.error(err);4 console.log('Test status:', data.statusCode);5 console.log('Test ID:', data.data.testId);6 console.log('Test URL:', data.data.userUrl);7 console.log('Test results:', data.data.jsonUrl);8});9var wpt = require('webpagetest');10var child = wpt('www.webpagetest.org');11 if (err) return console.error(err);12 console.log('Test status:', data.statusCode);13 console.log('Test ID:', data.data.testId);14 console.log('Test URL:', data.data.userUrl);15 console.log('Test results:', data.data.jsonUrl);16});17var wpt = require('webpagetest');18var child = wpt('www.webpagetest.org');19 if (err) return console.error(err);20 console.log('Test status:', data.statusCode);21 console.log('Test ID:', data.data.testId);22 console.log('Test URL:', data.data.userUrl);23 console.log('Test results:', data.data.jsonUrl);24});25var wpt = require('webpagetest');26var child = wpt('www.webpagetest.org');27 if (err) return console.error(err);28 console.log('Test status:', data.statusCode);29 console.log('Test ID:', data.data.testId);30 console.log('Test URL:', data.data.userUrl);31 console.log('Test results:', data.data.jsonUrl);32});33var wpt = require('webpagetest');34var child = wpt('www.webpagetest.org');35 if (err) return console.error(err);

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Using AI Code Generation

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1var wpt = require('webpagetest');2var api = new wpt('www.webpagetest.org');3 console.log(data);4 api.childTestStatus(data.data.testId, function(err, data) {5 console.log(data);6 });7});8var wpt = require('webpagetest');9var api = new wpt('www.webpagetest.org');10 console.log(data);11 api.childTestStatus(data.data.testId, function(err, data) {12 console.log(data);13 });14});15var wpt = require('webpagetest');16var api = new wpt('www.webpagetest.org');17 console.log(data);18 api.childTestStatus(data.data.testId, function(err, data) {19 console.log(data);20 });21});22var wpt = require('webpagetest');23var api = new wpt('www.webpagetest.org');24 console.log(data);25 api.childTestStatus(data.data.testId, function(err, data) {26 console.log(data);27 });28});29var wpt = require('webpagetest');30var api = new wpt('www.webpagetest.org');31 console.log(data);32 api.childTestStatus(data.data.testId, function(err, data) {33 console.log(data);34 });35});36var wpt = require('webpagetest');37var api = new wpt('www.webpagetest.org');

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Using AI Code Generation

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1var wpt = require('webpagetest');2var webPageTest = new wpt('www.webpagetest.org');3 if (err) {4 console.log('Error: ' + err);5 } else {6 console.log('Test Results: ' + JSON.stringify(data));7 }8});9webPageTest.getTestResults(data.data.testId, function(err, data) {10 if (err) {11 console.log('Error: ' + err);12 } else {13 console.log('Test Results: ' + JSON.stringify(data));14 }15});16webPageTest.getLocations(function(err, data) {17 if (err) {18 console.log('Error: ' + err);19 } else {20 console.log('Test Results: ' + JSON.stringify(data));21 }22});23webPageTest.getTesters(function(err, data) {24 if (err) {25 console.log('Error: ' + err);26 } else {27 console.log('Test Results: ' + JSON.stringify(data));28 }29});30webPageTest.getTestStatus(data.data.testId, function(err, data) {31 if (err) {32 console.log('Error: ' + err);33 } else {34 console.log('Test Results: ' + JSON.stringify(data));35 }36});37webPageTest.getTestStatus(data.data.testId, function(err, data) {38 if (err) {39 console.log('Error: ' + err);40 } else {41 console.log('Test Results: ' + JSON.stringify(data));42 }43});44webPageTest.getTestStatus(data.data.testId, function(err, data) {45 if (err) {46 console.log('Error: ' + err);47 } else {48 console.log('Test Results: ' + JSON.stringify(data));49 }50});51webPageTest.getTestStatus(data.data.testId, function(err, data) {52 if (err) {53 console.log('Error: ' + err

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Using AI Code Generation

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1var wptools = require('wptools');2var options = {3};4wptools.child(options, function(err, data) {5 if (err) {6 console.log(err);7 } else {8 console.log(data);9 }10});11var wptools = require('wptools');12var options = {13};14wptools.parent(options, function(err, data) {15 if (err) {16 console.log(err);17 } else {18 console.log(data);19 }20});21var wptools = require('wptools');22var options = {23};24wptools.child(options, function(err, data) {25 if (err) {26 console.log(err);27 } else {28 console.log(data);29 }30});31var wptools = require('wptools');32var options = {33};34wptools.parent(options, function(err,

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Using AI Code Generation

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1var wpt = require('webpagetest');2var child = require('child_process');3var test = new wpt('www.webpagetest.org');4 if (err) return console.log(err);5 console.log(data);6 child.exec('wpt child ' + data.data.testId, function(err, stdout, stderr) {7 console.log(stdout);8 });9});10{ statusCode: 200,11 { statusCode: 200,12 { testId: '130208_7V_1C',13{ statusCode: 200,14 { statusCode: 200,15 { testId: '130208_7V_1C',

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