| 2150 |
mathias |
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if(!dojo._hasResource["dijit._tree.dndContainer"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit._tree.dndContainer"] = true;
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dojo.provide("dijit._tree.dndContainer");
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dojo.require("dojo.dnd.common");
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dojo.require("dojo.dnd.Container");
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dojo.declare("dijit._tree.dndContainer",
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null,
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{
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constructor: function(tree, params){
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// summary: a constructor of the Container
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// tree: Node: node or node's id to build the container on
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// params: Object: a dict of parameters, which gets mixed into the object
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this.tree = tree;
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this.node = tree.domNode;
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dojo.mixin(this, params);
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// class-specific variables
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this.map = {};
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this.current = null;
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// states
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this.ContainerState = "";
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dojo.addClass(this.node, "dojoDndContainer");
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// mark up children
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if(!(params && params._skipStartup)){
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this.startup();
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}
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// set up events
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this.events = [
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dojo.connect(this.node, "onmouseover", this, "onMouseOver"),
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dojo.connect(this.node, "onmouseout", this, "onMouseOut"),
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// cancel text selection and text dragging
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dojo.connect(this.node, "ondragstart", dojo, "stopEvent"),
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dojo.connect(this.node, "onselectstart", dojo, "stopEvent")
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];
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},
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// abstract access to the map
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getItem: function(/*String*/ key){
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// summary: returns a data item by its key (id)
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//console.log("Container getItem()", arguments,this.map, this.map[key], this.selection[key]);
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return this.selection[key];
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//return this.map[key]; // Object
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},
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// mouse events
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onMouseOver: function(e){
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// summary: event processor for onmouseover
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// e: Event: mouse event
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var n = e.relatedTarget;
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while(n){
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if(n == this.node){ break; }
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try{
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n = n.parentNode;
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}catch(x){
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n = null;
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}
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}
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if(!n){
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this._changeState("Container", "Over");
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this.onOverEvent();
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}
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n = this._getChildByEvent(e);
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if(this.current == n){ return; }
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if(this.current){ this._removeItemClass(this.current, "Over"); }
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if(n){ this._addItemClass(n, "Over"); }
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this.current = n;
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},
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onMouseOut: function(e){
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// summary: event processor for onmouseout
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// e: Event: mouse event
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for(var n = e.relatedTarget; n;){
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if(n == this.node){ return; }
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try{
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n = n.parentNode;
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}catch(x){
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n = null;
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}
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}
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if(this.current){
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this._removeItemClass(this.current, "Over");
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this.current = null;
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}
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this._changeState("Container", "");
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this.onOutEvent();
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},
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_changeState: function(type, newState){
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// summary: changes a named state to new state value
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// type: String: a name of the state to change
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// newState: String: new state
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var prefix = "dojoDnd" + type;
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var state = type.toLowerCase() + "State";
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//dojo.replaceClass(this.node, prefix + newState, prefix + this[state]);
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dojo.removeClass(this.node, prefix + this[state]);
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dojo.addClass(this.node, prefix + newState);
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this[state] = newState;
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},
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_getChildByEvent: function(e){
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// summary: gets a child, which is under the mouse at the moment, or null
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// e: Event: a mouse event
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var node = e.target;
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if (node && dojo.hasClass(node,"dijitTreeLabel")){
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return node;
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}
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return null;
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},
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markupFactory: function(tree, params){
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params._skipStartup = true;
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return new dijit._tree.dndContainer(tree, params);
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},
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_addItemClass: function(node, type){
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// summary: adds a class with prefix "dojoDndItem"
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// node: Node: a node
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// type: String: a variable suffix for a class name
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dojo.addClass(node, "dojoDndItem" + type);
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},
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_removeItemClass: function(node, type){
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// summary: removes a class with prefix "dojoDndItem"
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// node: Node: a node
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// type: String: a variable suffix for a class name
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dojo.removeClass(node, "dojoDndItem" + type);
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},
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onOverEvent: function(){
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// summary: this function is called once, when mouse is over our container
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console.log("onOverEvent parent");
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},
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onOutEvent: function(){
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// summary: this function is called once, when mouse is out of our container
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}
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});
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}
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