3
Copyright 2012 Yahoo! Inc. All rights reserved.
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Licensed under the BSD License.
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http://yuilibrary.com/license/
7
YUI.add('widget-base', function(Y) {
10
* Provides the base Widget class, with HTML Parser support
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* Provides the base Widget class
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* @submodule widget-base
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ClassNameManager = Y.ClassNameManager,
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_getClassName = ClassNameManager.getClassName,
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_toInitialCap = Y.cached(function(str) {
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return str.substring(0, 1).toUpperCase() + str.substring(1);
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// K-Weight, IE GC optimizations
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DISABLED = "disabled",
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BOUNDING_BOX = "boundingBox",
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CONTENT_BOX = "contentBox",
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PARENT_NODE = "parentNode",
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OWNER_DOCUMENT = "ownerDocument",
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TAB_INDEX = "tabIndex",
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RENDERED = "rendered",
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DESTROYED = "destroyed",
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EMPTY_FN = function() {},
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UI_ATTRS = [VISIBLE, DISABLED, HEIGHT, WIDTH, FOCUSED, TAB_INDEX],
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// Widget nodeid-to-instance map.
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* A base class for widgets, providing:
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* <li>The render lifecycle method, in addition to the init and destroy
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* lifecycle methods provide by Base</li>
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* <li>Abstract methods to support consistent MVC structure across
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* widgets: renderer, renderUI, bindUI, syncUI</li>
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* <li>Support for common widget attributes, such as boundingBox, contentBox, visible,
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* disabled, focused, strings</li>
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* @param config {Object} Object literal specifying widget configuration properties.
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function Widget(config) {
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Y.log('constructor called', 'life', 'widget');
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constructor = widget.constructor;
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widget._cssPrefix = constructor.CSS_PREFIX || _getClassName(constructor.NAME.toLowerCase());
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// We need a config for HTML_PARSER to work.
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config = config || {};
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Widget.superclass.constructor.call(widget, config);
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render = widget.get(RENDER);
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// Render could be a node or boolean
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if (render !== TRUE) {
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widget.render(parentNode);
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* Static property provides a string to identify the class.
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* Currently used to apply class identifiers to the bounding box
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* and to classify events fired by the widget.
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Widget.NAME = "widget";
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* Constant used to identify state changes originating from
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* the DOM (as opposed to the JavaScript model).
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UI = Widget.UI_SRC = "ui";
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* Static property used to define the default attribute
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* configuration for the Widget.
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Widget.ATTRS = ATTRS;
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// Trying to optimize kweight by setting up attrs this way saves about 0.4K min'd
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* @default Generated using guid()
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* Flag indicating whether or not this Widget
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* has been through the render lifecycle phase.
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* @attribute rendered
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* @attribute boundingBox
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* @description The outermost DOM node for the Widget, used for sizing and positioning
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* of a Widget as well as a containing element for any decorator elements used
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* @type String | Node
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ATTRS[BOUNDING_BOX] = {
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* @attribute contentBox
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* @description A DOM node that is a direct descendant of a Widget's bounding box that
200
* houses its content.
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* @type String | Node
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ATTRS[CONTENT_BOX] = {
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valueFn:"_defaultCB",
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* @attribute tabIndex
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* @description Number (between -32767 to 32767) indicating the widget's
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* position in the default tab flow. The value is used to set the
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* "tabIndex" attribute on the widget's bounding box. Negative values allow
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* the widget to receive DOM focus programmatically (by calling the focus
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* method), while being removed from the default tab flow. A value of
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* null removes the "tabIndex" attribute from the widget's bounding box.
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validator: "_validTabIndex"
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* @description Boolean indicating if the Widget, or one of its descendants,
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* @attribute disabled
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* @description Boolean indicating if the Widget should be disabled. The disabled implementation
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* is left to the specific classes extending widget.
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* @description Boolean indicating weather or not the Widget is visible.
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* @description String with units, or number, representing the height of the Widget. If a number is provided,
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* the default unit, defined by the Widgets DEF_UNIT, property is used.
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* @type {String | Number}
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* @description String with units, or number, representing the width of the Widget. If a number is provided,
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* the default unit, defined by the Widgets DEF_UNIT, property is used.
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* @type {String | Number}
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* @description Collection of strings used to label elements of the Widget's UI.
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setter: "_strSetter",
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* Whether or not to render the widget automatically after init, and optionally, to which parent node.
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* @type boolean | Node
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* The css prefix which the static Widget.getClassName method should use when constructing class names
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* @property CSS_PREFIX
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* @default Widget.NAME.toLowerCase()
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Widget.CSS_PREFIX = _getClassName(Widget.NAME.toLowerCase());
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* Generate a standard prefixed classname for the Widget, prefixed by the default prefix defined
319
* by the <code>Y.config.classNamePrefix</code> attribute used by <code>ClassNameManager</code> and
320
* <code>Widget.NAME.toLowerCase()</code> (e.g. "yui-widget-xxxxx-yyyyy", based on default values for
321
* the prefix and widget class name).
323
* The instance based version of this method can be used to generate standard prefixed classnames,
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* based on the instances NAME, as opposed to Widget.NAME. This method should be used when you
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* need to use a constant class name across different types instances.
327
* @method getClassName
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* @param {String*} args* 0..n strings which should be concatenated, using the default separator defined by ClassNameManager, to create the class name
330
Widget.getClassName = function() {
331
// arguments needs to be array'fied to concat
332
return _getClassName.apply(ClassNameManager, [Widget.CSS_PREFIX].concat(Y.Array(arguments), true));
335
_getWidgetClassName = Widget.getClassName;
338
* Returns the widget instance whose bounding box contains, or is, the given node.
340
* In the case of nested widgets, the nearest bounding box ancestor is used to
341
* return the widget instance.
345
* @param node {Node | String} The node for which to return a Widget instance. If a selector
346
* string is passed in, which selects more than one node, the first node found is used.
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* @return {Widget} Widget instance, or null if not found.
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Widget.getByNode = function(node) {
352
widgetMarker = _getWidgetClassName();
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node = Node.one(node);
356
node = node.ancestor("." + widgetMarker, true);
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nodeid = node.get(ID);
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widget = _instances[nodeid];
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return widget || null;
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Y.extend(Widget, Y.Base, {
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* Returns a class name prefixed with the the value of the
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* <code>YUI.config.classNamePrefix</code> attribute + the instances <code>NAME</code> property.
371
* Uses <code>YUI.config.classNameDelimiter</code> attribute to delimit the provided strings.
375
* // returns "yui-slider-foo-bar", for a slider instance
376
* var scn = slider.getClassName('foo','bar');
378
* // returns "yui-overlay-foo-bar", for an overlay instance
379
* var ocn = overlay.getClassName('foo','bar');
383
* @method getClassName
384
* @param {String}+ One or more classname bits to be joined and prefixed
386
getClassName: function () {
387
return _getClassName.apply(ClassNameManager, [this._cssPrefix].concat(Y.Array(arguments), true));
391
* Initializer lifecycle implementation for the Widget class. Registers the
392
* widget instance, and runs through the Widget's HTML_PARSER definition.
394
* @method initializer
396
* @param config {Object} Configuration object literal for the widget
398
initializer: function(config) {
399
Y.log('initializer called', 'life', 'widget');
401
var bb = this.get(BOUNDING_BOX);
402
if (bb instanceof Node) {
403
this._mapInstance(bb.get(ID));
407
* Notification event, which widget implementations can fire, when
408
* they change the content of the widget. This event has no default
409
* behavior and cannot be prevented, so the "on" or "after"
410
* moments are effectively equivalent (with on listeners being invoked before
413
* @event widget:contentUpdate
415
* @param {EventFacade} e The Event Facade
418
if (this._applyParser) {
419
this._applyParser(config);
424
* Utility method used to add an entry to the boundingBox id to instance map.
426
* This method can be used to populate the instance with lazily created boundingBox Node references.
428
* @method _mapInstance
429
* @param {String} The boundingBox id
432
_mapInstance : function(id) {
433
if (!(_instances[id])) {
434
_instances[id] = this;
439
* Destructor lifecycle implementation for the Widget class. Purges events attached
440
* to the bounding box and content box, removes them from the DOM and removes
441
* the Widget from the list of registered widgets.
446
destructor: function() {
447
Y.log('destructor called', 'life', 'widget');
449
var boundingBox = this.get(BOUNDING_BOX),
452
if (boundingBox instanceof Node) {
453
bbid = boundingBox.get(ID);
455
if (bbid in _instances) {
456
delete _instances[bbid];
465
* Destroy lifecycle method. Fires the destroy
466
* event, prior to invoking destructors for the
469
* Overrides Base's implementation, to support arguments to destroy
472
* Subscribers to the destroy
473
* event can invoke preventDefault on the event object, to prevent destruction
477
* @param destroyAllNodes {Boolean} If true, all nodes contained within the Widget are removed and destroyed. Defaults to false due to potentially high run-time cost.
478
* @return {Widget} A reference to this object
481
destroy: function(destroyAllNodes) {
482
this._destroyAllNodes = destroyAllNodes;
483
return Widget.superclass.destroy.apply(this);
487
* Removes and destroys the widgets rendered boundingBox, contentBox,
488
* and detaches bound UI events.
490
* @method _destroyBox
493
_destroyBox : function() {
495
var boundingBox = this.get(BOUNDING_BOX),
496
contentBox = this.get(CONTENT_BOX),
497
deep = this._destroyAllNodes,
500
same = boundingBox && boundingBox.compareTo(contentBox);
502
if (this.UI_EVENTS) {
503
this._destroyUIEvents();
506
this._unbindUI(boundingBox);
509
// Removes and destroys all child nodes.
511
boundingBox.remove(TRUE);
514
contentBox.remove(TRUE);
517
boundingBox.remove(TRUE);
523
* Establishes the initial DOM for the widget. Invoking this
524
* method will lead to the creating of all DOM elements for
525
* the widget (or the manipulation of existing DOM elements
526
* for the progressive enhancement use case).
528
* This method should only be invoked once for an initialized
532
* It delegates to the widget specific renderer method to do
539
* @param parentNode {Object | String} Optional. The Node under which the
540
* Widget is to be rendered. This can be a Node instance or a CSS selector string.
542
* If the selector string returns more than one Node, the first node will be used
543
* as the parentNode. NOTE: This argument is required if both the boundingBox and contentBox
544
* are not currently in the document. If it's not provided, the Widget will be rendered
545
* to the body of the current document in this case.
548
render: function(parentNode) {
549
if (this.get(DESTROYED)) { Y.log("Render failed; widget has been destroyed", "error", "widget"); }
551
if (!this.get(DESTROYED) && !this.get(RENDERED)) {
553
* Lifecycle event for the render phase, fired prior to rendering the UI
554
* for the widget (prior to invoking the widget's renderer method).
556
* Subscribers to the "on" moment of this event, will be notified
557
* before the widget is rendered.
560
* Subscribers to the "after" moment of this event, will be notified
561
* after rendering is complete.
564
* @event widget:render
565
* @preventable _defRenderFn
566
* @param {EventFacade} e The Event Facade
568
this.publish(RENDER, {
571
defaultTargetOnly:TRUE,
572
defaultFn: this._defRenderFn
575
this.fire(RENDER, {parentNode: (parentNode) ? Node.one(parentNode) : null});
581
* Default render handler
583
* @method _defRenderFn
585
* @param {EventFacade} e The Event object
586
* @param {Node} parentNode The parent node to render to, if passed in to the <code>render</code> method
588
_defRenderFn : function(e) {
589
this._parentNode = e.parentNode;
592
this._set(RENDERED, TRUE);
594
this._removeLoadingClassNames();
598
* Creates DOM (or manipulates DOM for progressive enhancement)
599
* This method is invoked by render() and is not chained
600
* automatically for the class hierarchy (unlike initializer, destructor)
601
* so it should be chained manually for subclasses if required.
606
renderer: function() {
621
* Configures/Sets up listeners to bind Widget State to UI/DOM
623
* This method is not called by framework and is not chained
624
* automatically for the class hierarchy.
632
* Adds nodes to the DOM
634
* This method is not called by framework and is not chained
635
* automatically for the class hierarchy.
643
* Refreshes the rendered UI, based on Widget State
645
* This method is not called by framework and is not chained
646
* automatically for the class hierarchy.
656
* @description Hides the Widget by setting the "visible" attribute to "false".
660
return this.set(VISIBLE, FALSE);
665
* @description Shows the Widget by setting the "visible" attribute to "true".
669
return this.set(VISIBLE, TRUE);
674
* @description Causes the Widget to receive the focus by setting the "focused"
675
* attribute to "true".
679
return this._set(FOCUSED, TRUE);
684
* @description Causes the Widget to lose focus by setting the "focused" attribute
689
return this._set(FOCUSED, FALSE);
694
* @description Set the Widget's "disabled" attribute to "false".
698
return this.set(DISABLED, FALSE);
703
* @description Set the Widget's "disabled" attribute to "true".
706
disable: function() {
707
return this.set(DISABLED, TRUE);
713
* @param {boolean} expand
715
_uiSizeCB : function(expand) {
716
this.get(CONTENT_BOX).toggleClass(_getWidgetClassName(CONTENT, "expanded"), expand);
720
* Helper method to collect the boundingBox and contentBox and append to the provided parentNode, if not
721
* already a child. The owner document of the boundingBox, or the owner document of the contentBox will be used
722
* as the document into which the Widget is rendered if a parentNode is node is not provided. If both the boundingBox and
723
* the contentBox are not currently in the document, and no parentNode is provided, the widget will be rendered
724
* to the current document's body.
728
* @param {Node} parentNode The parentNode to render the widget to. If not provided, and both the boundingBox and
729
* the contentBox are not currently in the document, the widget will be rendered to the current document's body.
731
_renderBox: function(parentNode) {
733
// TODO: Performance Optimization [ More effective algo to reduce Node refs, compares, replaces? ]
735
var widget = this, // kweight
736
contentBox = widget.get(CONTENT_BOX),
737
boundingBox = widget.get(BOUNDING_BOX),
738
srcNode = widget.get(SRC_NODE),
739
defParentNode = widget.DEF_PARENT_NODE,
741
doc = (srcNode && srcNode.get(OWNER_DOCUMENT)) || boundingBox.get(OWNER_DOCUMENT) || contentBox.get(OWNER_DOCUMENT);
743
// If srcNode (assume it's always in doc), have contentBox take its place (widget render responsible for re-use of srcNode contents)
744
if (srcNode && !srcNode.compareTo(contentBox) && !contentBox.inDoc(doc)) {
745
srcNode.replace(contentBox);
748
if (!boundingBox.compareTo(contentBox.get(PARENT_NODE)) && !boundingBox.compareTo(contentBox)) {
749
// If contentBox box is already in the document, have boundingBox box take it's place
750
if (contentBox.inDoc(doc)) {
751
contentBox.replace(boundingBox);
753
boundingBox.appendChild(contentBox);
756
parentNode = parentNode || (defParentNode && Node.one(defParentNode));
759
parentNode.appendChild(boundingBox);
760
} else if (!boundingBox.inDoc(doc)) {
761
Node.one(BODY).insert(boundingBox, 0);
766
* Setter for the boundingBox attribute
773
_setBB: function(node) {
774
return this._setBox(this.get(ID), node, this.BOUNDING_TEMPLATE);
778
* Setter for the contentBox attribute
782
* @param {Node|String} node
785
_setCB: function(node) {
786
return (this.CONTENT_TEMPLATE === null) ? this.get(BOUNDING_BOX) : this._setBox(null, node, this.CONTENT_TEMPLATE);
790
* Returns the default value for the contentBox attribute.
792
* For the Widget class, this will be the srcNode if provided, otherwise null (resulting in
793
* a new contentBox node instance being created)
798
_defaultCB : function(node) {
799
return this.get(SRC_NODE) || null;
803
* Helper method to set the bounding/content box, or create it from
804
* the provided template if not found.
809
* @param {String} id The node's id attribute
810
* @param {Node|String} node The node reference
811
* @param {String} template HTML string template for the node
812
* @return {Node} The node
814
_setBox : function(id, node, template) {
815
node = Node.one(node) || Node.create(template);
817
node.set(ID, id || Y.guid());
823
* Initializes the UI state for the Widget's bounding/content boxes.
828
_renderUI: function() {
829
this._renderBoxClassNames();
830
this._renderBox(this._parentNode);
834
* Applies standard class names to the boundingBox and contentBox
836
* @method _renderBoxClassNames
839
_renderBoxClassNames : function() {
840
var classes = this._getClasses(),
842
boundingBox = this.get(BOUNDING_BOX),
845
boundingBox.addClass(_getWidgetClassName());
847
// Start from Widget Sub Class
848
for (i = classes.length-3; i >= 0; i--) {
850
boundingBox.addClass(cl.CSS_PREFIX || _getClassName(cl.NAME.toLowerCase()));
853
// Use instance based name for content box
854
this.get(CONTENT_BOX).addClass(this.getClassName(CONTENT));
858
* Removes class names representative of the widget's loading state from
861
* @method _removeLoadingClassNames
864
_removeLoadingClassNames: function () {
866
var boundingBox = this.get(BOUNDING_BOX),
867
contentBox = this.get(CONTENT_BOX),
868
instClass = this.getClassName(LOADING),
869
widgetClass = _getWidgetClassName(LOADING);
871
boundingBox.removeClass(widgetClass)
872
.removeClass(instClass);
874
contentBox.removeClass(widgetClass)
875
.removeClass(instClass);
879
* Sets up DOM and CustomEvent listeners for the widget.
884
_bindUI: function() {
885
this._bindAttrUI(this._UI_ATTRS.BIND);
893
_unbindUI : function(boundingBox) {
894
this._unbindDOM(boundingBox);
898
* Sets up DOM listeners, on elements rendered by the widget.
903
_bindDOM : function() {
904
var oDocument = this.get(BOUNDING_BOX).get(OWNER_DOCUMENT),
905
focusHandle = Widget._hDocFocus;
907
// Shared listener across all Widgets.
909
focusHandle = Widget._hDocFocus = oDocument.on("focus", this._onDocFocus, this);
910
focusHandle.listeners = {
915
focusHandle.listeners[Y.stamp(this, true)] = true;
916
focusHandle.listeners.count++;
919
// Document doesn't receive focus in Webkit when the user mouses
920
// down on it, so the "focused" attribute won't get set to the
921
// correct value. Keeping this instance based for now, potential better performance.
922
// Otherwise we'll end up looking up widgets from the DOM on every mousedown.
924
this._hDocMouseDown = oDocument.on("mousedown", this._onDocMouseDown, this);
932
_unbindDOM : function(boundingBox) {
934
var focusHandle = Widget._hDocFocus,
935
yuid = Y.stamp(this, true),
937
mouseHandle = this._hDocMouseDown;
941
focusListeners = focusHandle.listeners;
943
if (focusListeners[yuid]) {
944
delete focusListeners[yuid];
945
focusListeners.count--;
948
if (focusListeners.count === 0) {
949
focusHandle.detach();
950
Widget._hDocFocus = null;
954
if (WEBKIT && mouseHandle) {
955
mouseHandle.detach();
960
* Updates the widget UI to reflect the attribute state.
965
_syncUI: function() {
966
this._syncAttrUI(this._UI_ATTRS.SYNC);
970
* Sets the height on the widget's bounding box element
972
* @method _uiSetHeight
974
* @param {String | Number} val
976
_uiSetHeight: function(val) {
977
this._uiSetDim(HEIGHT, val);
978
this._uiSizeCB((val !== EMPTY_STR && val !== AUTO));
982
* Sets the width on the widget's bounding box element
984
* @method _uiSetWidth
986
* @param {String | Number} val
988
_uiSetWidth: function(val) {
989
this._uiSetDim(WIDTH, val);
995
* @param {String} dim The dimension - "width" or "height"
996
* @param {Number | String} val The value to set
998
_uiSetDim: function(dimension, val) {
999
this.get(BOUNDING_BOX).setStyle(dimension, L.isNumber(val) ? val + this.DEF_UNIT : val);
1003
* Sets the visible state for the UI
1005
* @method _uiSetVisible
1007
* @param {boolean} val
1009
_uiSetVisible: function(val) {
1010
this.get(BOUNDING_BOX).toggleClass(this.getClassName(HIDDEN), !val);
1014
* Sets the disabled state for the UI
1016
* @method _uiSetDisabled
1018
* @param {boolean} val
1020
_uiSetDisabled: function(val) {
1021
this.get(BOUNDING_BOX).toggleClass(this.getClassName(DISABLED), val);
1025
* Sets the focused state for the UI
1027
* @method _uiSetFocused
1029
* @param {boolean} val
1030
* @param {string} src String representing the source that triggered an update to
1033
_uiSetFocused: function(val, src) {
1034
var boundingBox = this.get(BOUNDING_BOX);
1035
boundingBox.toggleClass(this.getClassName(FOCUSED), val);
1039
boundingBox.focus();
1047
* Set the tabIndex on the widget's rendered UI
1049
* @method _uiSetTabIndex
1053
_uiSetTabIndex: function(index) {
1054
var boundingBox = this.get(BOUNDING_BOX);
1056
if (L.isNumber(index)) {
1057
boundingBox.set(TAB_INDEX, index);
1059
boundingBox.removeAttribute(TAB_INDEX);
1064
* @method _onDocMouseDown
1065
* @description "mousedown" event handler for the owner document of the
1066
* widget's bounding box.
1068
* @param {EventFacade} evt The event facade for the DOM focus event
1070
_onDocMouseDown: function (evt) {
1071
if (this._domFocus) {
1072
this._onDocFocus(evt);
1077
* DOM focus event handler, used to sync the state of the Widget with the DOM
1079
* @method _onDocFocus
1081
* @param {EventFacade} evt The event facade for the DOM focus event
1083
_onDocFocus: function (evt) {
1084
var widget = Widget.getByNode(evt.target),
1085
activeWidget = Widget._active;
1087
if (activeWidget && (activeWidget !== widget)) {
1088
activeWidget._domFocus = false;
1089
activeWidget._set(FOCUSED, false, {src:UI});
1091
Widget._active = null;
1095
widget._domFocus = true;
1096
widget._set(FOCUSED, true, {src:UI});
1098
Widget._active = widget;
1103
* Generic toString implementation for all widgets.
1106
* @return {String} The default string value for the widget [ displays the NAME of the instance, and the unique id ]
1108
toString: function() {
1109
// Using deprecated name prop for kweight squeeze.
1110
return this.name + "[" + this.get(ID) + "]";
1114
* Default unit to use for dimension values
1116
* @property DEF_UNIT
1122
* Default node to render the bounding box to. If not set,
1123
* will default to the current document body.
1125
* @property DEF_PARENT_NODE
1126
* @type String | Node
1128
DEF_PARENT_NODE : null,
1131
* Property defining the markup template for content box. If your Widget doesn't
1132
* need the dual boundingBox/contentBox structure, set CONTENT_TEMPLATE to null,
1133
* and contentBox and boundingBox will both point to the same Node.
1135
* @property CONTENT_TEMPLATE
1138
CONTENT_TEMPLATE : DIV,
1141
* Property defining the markup template for bounding box.
1143
* @property BOUNDING_TEMPLATE
1146
BOUNDING_TEMPLATE : DIV,
1152
_guid : function() {
1157
* @method _validTabIndex
1159
* @param {Number} tabIndex
1161
_validTabIndex : function (tabIndex) {
1162
return (L.isNumber(tabIndex) || L.isNull(tabIndex));
1166
* Binds after listeners for the list of attributes provided
1168
* @method _bindAttrUI
1170
* @param {Array} attrs
1172
_bindAttrUI : function(attrs) {
1176
for (i = 0; i < l; i++) {
1177
this.after(attrs[i] + CHANGE, this._setAttrUI);
1182
* Invokes the _uiSet=ATTR NAME> method for the list of attributes provided
1184
* @method _syncAttrUI
1186
* @param {Array} attrs
1188
_syncAttrUI : function(attrs) {
1189
var i, l = attrs.length, attr;
1190
for (i = 0; i < l; i++) {
1192
this[_UISET + _toInitialCap(attr)](this.get(attr));
1197
* @method _setAttrUI
1199
* @param {EventFacade} e
1201
_setAttrUI : function(e) {
1202
if (e.target === this) {
1203
this[_UISET + _toInitialCap(e.attrName)](e.newVal, e.src);
1208
* The default setter for the strings attribute. Merges partial sets
1209
* into the full string set, to allow users to partial sets of strings
1211
* @method _strSetter
1213
* @param {Object} strings
1214
* @return {String} The full set of strings to set
1216
_strSetter : function(strings) {
1217
return Y.merge(this.get(STRINGS), strings);
1221
* Helper method to get a specific string value
1223
* @deprecated Used by deprecated WidgetLocale implementations.
1225
* @param {String} key
1226
* @return {String} The string
1228
getString : function(key) {
1229
return this.get(STRINGS)[key];
1233
* Helper method to get the complete set of strings for the widget
1235
* @deprecated Used by deprecated WidgetLocale implementations.
1236
* @method getStrings
1237
* @param {String} key
1238
* @return {String} The strings
1240
getStrings : function() {
1241
return this.get(STRINGS);
1245
* The lists of UI attributes to bind and sync for widget's _bindUI and _syncUI implementations
1247
* @property _UI_ATTRS
1260
}, '3.5.1' ,{requires:['attribute', 'event-focus', 'base-base', 'base-pluginhost', 'node-base', 'node-style', 'classnamemanager'], skinnable:true});