--- /dev/null
+if(!dojo._hasResource["dijit._base.manager"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dijit._base.manager"] = true;
+dojo.provide("dijit._base.manager");
+
+dojo.declare("dijit.WidgetSet", null, {
+ // summary:
+ // A set of widgets indexed by id
+
+ constructor: function(){
+ this._hash={};
+ },
+
+ add: function(/*Widget*/ widget){
+ if(this._hash[widget.id]){
+ throw new Error("Tried to register widget with id==" + widget.id + " but that id is already registered");
+ }
+ this._hash[widget.id]=widget;
+ },
+
+ remove: function(/*String*/ id){
+ delete this._hash[id];
+ },
+
+ forEach: function(/*Function*/ func){
+ for(var id in this._hash){
+ func(this._hash[id]);
+ }
+ },
+
+ filter: function(/*Function*/ filter){
+ var res = new dijit.WidgetSet();
+ this.forEach(function(widget){
+ if(filter(widget)){ res.add(widget); }
+ });
+ return res; // dijit.WidgetSet
+ },
+
+ byId: function(/*String*/ id){
+ return this._hash[id];
+ },
+
+ byClass: function(/*String*/ cls){
+ return this.filter(function(widget){ return widget.declaredClass==cls; }); // dijit.WidgetSet
+ }
+ });
+
+/*=====
+dijit.registry = {
+ // summary: A list of widgets on a page.
+ // description: Is an instance of dijit.WidgetSet
+};
+=====*/
+dijit.registry = new dijit.WidgetSet();
+
+dijit._widgetTypeCtr = {};
+
+dijit.getUniqueId = function(/*String*/widgetType){
+ // summary
+ // Generates a unique id for a given widgetType
+
+ var id;
+ do{
+ id = widgetType + "_" +
+ (widgetType in dijit._widgetTypeCtr ?
+ ++dijit._widgetTypeCtr[widgetType] : dijit._widgetTypeCtr[widgetType] = 0);
+ }while(dijit.byId(id));
+ return id; // String
+};
+
+
+if(dojo.isIE){
+ // Only run this for IE because we think it's only necessary in that case,
+ // and because it causes problems on FF. See bug #3531 for details.
+ dojo.addOnUnload(function(){
+ dijit.registry.forEach(function(widget){ widget.destroy(); });
+ });
+}
+
+dijit.byId = function(/*String|Widget*/id){
+ // summary:
+ // Returns a widget by its id, or if passed a widget, no-op (like dojo.byId())
+ return (dojo.isString(id)) ? dijit.registry.byId(id) : id; // Widget
+};
+
+dijit.byNode = function(/* DOMNode */ node){
+ // summary:
+ // Returns the widget as referenced by node
+ return dijit.registry.byId(node.getAttribute("widgetId")); // Widget
+};
+
+dijit.getEnclosingWidget = function(/* DOMNode */ node){
+ // summary:
+ // Returns the widget whose dom tree contains node or null if
+ // the node is not contained within the dom tree of any widget
+ while(node){
+ if(node.getAttribute && node.getAttribute("widgetId")){
+ return dijit.registry.byId(node.getAttribute("widgetId"));
+ }
+ node = node.parentNode;
+ }
+ return null;
+};
+
+// elements that are tab-navigable if they have no tabindex value set
+// (except for "a", which must have an href attribute)
+dijit._tabElements = {
+ area: true,
+ button: true,
+ input: true,
+ object: true,
+ select: true,
+ textarea: true
+};
+
+dijit._isElementShown = function(/*Element*/elem){
+ var style = dojo.style(elem);
+ return (style.visibility != "hidden")
+ && (style.visibility != "collapsed")
+ && (style.display != "none");
+}
+
+dijit.isTabNavigable = function(/*Element*/elem){
+ // summary:
+ // Tests if an element is tab-navigable
+ if(dojo.hasAttr(elem, "disabled")){ return false; }
+ var hasTabindex = dojo.hasAttr(elem, "tabindex");
+ var tabindex = dojo.attr(elem, "tabindex");
+ if(hasTabindex && tabindex >= 0) {
+ return true; // boolean
+ }
+ var name = elem.nodeName.toLowerCase();
+ if(((name == "a" && dojo.hasAttr(elem, "href"))
+ || dijit._tabElements[name])
+ && (!hasTabindex || tabindex >= 0)){
+ return true; // boolean
+ }
+ return false; // boolean
+};
+
+dijit._getTabNavigable = function(/*DOMNode*/root){
+ // summary:
+ // Finds the following descendants of the specified root node:
+ // * the first tab-navigable element in document order
+ // without a tabindex or with tabindex="0"
+ // * the last tab-navigable element in document order
+ // without a tabindex or with tabindex="0"
+ // * the first element in document order with the lowest
+ // positive tabindex value
+ // * the last element in document order with the highest
+ // positive tabindex value
+ var first, last, lowest, lowestTabindex, highest, highestTabindex;
+ var walkTree = function(/*DOMNode*/parent){
+ dojo.query("> *", parent).forEach(function(child){
+ var isShown = dijit._isElementShown(child);
+ if(isShown && dijit.isTabNavigable(child)){
+ var tabindex = dojo.attr(child, "tabindex");
+ if(!dojo.hasAttr(child, "tabindex") || tabindex == 0){
+ if(!first){ first = child; }
+ last = child;
+ }else if(tabindex > 0){
+ if(!lowest || tabindex < lowestTabindex){
+ lowestTabindex = tabindex;
+ lowest = child;
+ }
+ if(!highest || tabindex >= highestTabindex){
+ highestTabindex = tabindex;
+ highest = child;
+ }
+ }
+ }
+ if(isShown){ walkTree(child) }
+ });
+ };
+ if(dijit._isElementShown(root)){ walkTree(root) }
+ return { first: first, last: last, lowest: lowest, highest: highest };
+}
+
+dijit.getFirstInTabbingOrder = function(/*String|DOMNode*/root){
+ // summary:
+ // Finds the descendant of the specified root node
+ // that is first in the tabbing order
+ var elems = dijit._getTabNavigable(dojo.byId(root));
+ return elems.lowest ? elems.lowest : elems.first; // Element
+};
+
+dijit.getLastInTabbingOrder = function(/*String|DOMNode*/root){
+ // summary:
+ // Finds the descendant of the specified root node
+ // that is last in the tabbing order
+ var elems = dijit._getTabNavigable(dojo.byId(root));
+ return elems.last ? elems.last : elems.highest; // Element
+};
+
+}
projects / eow / blobdiff