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mathias |
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if(!dojo._hasResource["dijit._base.manager"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit._base.manager"] = true;
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dojo.provide("dijit._base.manager");
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dojo.declare("dijit.WidgetSet", null, {
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constructor: function(){
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// summary:
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// A set of widgets indexed by id
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this._hash={};
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},
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add: function(/*Widget*/ widget){
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if(this._hash[widget.id]){
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throw new Error("Tried to register widget with id==" + widget.id + " but that id is already registered");
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}
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this._hash[widget.id]=widget;
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},
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remove: function(/*String*/ id){
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delete this._hash[id];
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},
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forEach: function(/*Function*/ func){
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for(var id in this._hash){
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func(this._hash[id]);
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}
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},
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filter: function(/*Function*/ filter){
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var res = new dijit.WidgetSet();
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this.forEach(function(widget){
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if(filter(widget)){ res.add(widget); }
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});
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return res; // dijit.WidgetSet
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},
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byId: function(/*String*/ id){
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return this._hash[id];
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},
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byClass: function(/*String*/ cls){
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return this.filter(function(widget){ return widget.declaredClass==cls; }); // dijit.WidgetSet
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}
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});
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// registry: list of all widgets on page
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dijit.registry = new dijit.WidgetSet();
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dijit._widgetTypeCtr = {};
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dijit.getUniqueId = function(/*String*/widgetType){
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// summary
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// Generates a unique id for a given widgetType
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var id;
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do{
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id = widgetType + "_" +
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(dijit._widgetTypeCtr[widgetType] !== undefined ?
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++dijit._widgetTypeCtr[widgetType] : dijit._widgetTypeCtr[widgetType] = 0);
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}while(dijit.byId(id));
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return id; // String
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};
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if(dojo.isIE){
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// Only run this for IE because we think it's only necessary in that case,
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// and because it causes problems on FF. See bug #3531 for details.
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dojo.addOnUnload(function(){
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dijit.registry.forEach(function(widget){ widget.destroy(); });
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});
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}
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dijit.byId = function(/*String|Widget*/id){
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// summary:
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// Returns a widget by its id, or if passed a widget, no-op (like dojo.byId())
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return (dojo.isString(id)) ? dijit.registry.byId(id) : id; // Widget
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};
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dijit.byNode = function(/* DOMNode */ node){
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// summary:
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// Returns the widget as referenced by node
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return dijit.registry.byId(node.getAttribute("widgetId")); // Widget
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};
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dijit.getEnclosingWidget = function(/* DOMNode */ node){
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// summary:
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// Returns the widget whose dom tree contains node or null if
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// the node is not contained within the dom tree of any widget
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while(node){
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if(node.getAttribute && node.getAttribute("widgetId")){
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return dijit.registry.byId(node.getAttribute("widgetId"));
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}
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node = node.parentNode;
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}
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return null;
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};
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}
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