95 lines
3.0 KiB
JavaScript
95 lines
3.0 KiB
JavaScript
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define("dijit/_Container", [
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"dojo/_base/array", // array.forEach array.indexOf
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"dojo/_base/declare", // declare
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"dojo/dom-construct" // domConstruct.place
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], function(array, declare, domConstruct){
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// module:
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// dijit/_Container
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return declare("dijit._Container", null, {
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// summary:
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// Mixin for widgets that contain HTML and/or a set of widget children.
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buildRendering: function(){
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this.inherited(arguments);
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if(!this.containerNode){
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// all widgets with descendants must set containerNode
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this.containerNode = this.domNode;
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}
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},
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addChild: function(/*dijit/_WidgetBase*/ widget, /*int?*/ insertIndex){
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// summary:
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// Makes the given widget a child of this widget.
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// description:
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// Inserts specified child widget's dom node as a child of this widget's
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// container node, and possibly does other processing (such as layout).
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//
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// Functionality is undefined if this widget contains anything besides
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// a list of child widgets (ie, if it contains arbitrary non-widget HTML).
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var refNode = this.containerNode;
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if(insertIndex && typeof insertIndex == "number"){
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var children = this.getChildren();
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if(children && children.length >= insertIndex){
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refNode = children[insertIndex-1].domNode;
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insertIndex = "after";
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}
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}
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domConstruct.place(widget.domNode, refNode, insertIndex);
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// If I've been started but the child widget hasn't been started,
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// start it now. Make sure to do this after widget has been
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// inserted into the DOM tree, so it can see that it's being controlled by me,
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// so it doesn't try to size itself.
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if(this._started && !widget._started){
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widget.startup();
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}
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},
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removeChild: function(/*Widget|int*/ widget){
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// summary:
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// Removes the passed widget instance from this widget but does
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// not destroy it. You can also pass in an integer indicating
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// the index within the container to remove (ie, removeChild(5) removes the sixth widget).
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if(typeof widget == "number"){
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widget = this.getChildren()[widget];
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}
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if(widget){
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var node = widget.domNode;
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if(node && node.parentNode){
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node.parentNode.removeChild(node); // detach but don't destroy
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}
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}
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},
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hasChildren: function(){
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// summary:
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// Returns true if widget has child widgets, i.e. if this.containerNode contains widgets.
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return this.getChildren().length > 0; // Boolean
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},
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_getSiblingOfChild: function(/*dijit/_WidgetBase*/ child, /*int*/ dir){
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// summary:
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// Get the next or previous widget sibling of child
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// dir:
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// if 1, get the next sibling
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// if -1, get the previous sibling
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// tags:
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// private
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var children = this.getChildren(),
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idx = array.indexOf(this.getChildren(), child); // int
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return children[idx + dir];
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},
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getIndexOfChild: function(/*dijit/_WidgetBase*/ child){
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// summary:
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// Gets the index of the child in this container or -1 if not found
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return array.indexOf(this.getChildren(), child); // int
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}
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});
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});
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