151 lines
4 KiB
JavaScript
151 lines
4 KiB
JavaScript
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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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// summary:
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// This is a base class for `dijit._tree.dndSelector`, and isn't meant to be used directly.
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// It's modeled after `dojo.dnd.Container`.
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// tags:
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// protected
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constructor: function(tree, params){
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// summary:
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// A constructor of the Container
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// tree: Node
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// Node or node's id to build the container on
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// params: dijit._tree.__SourceArgs
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// A dict of parameters, which gets mixed into the object
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// tags:
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// private
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this.tree = tree;
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this.node = tree.domNode; // TODO: rename; it's not a TreeNode but the whole Tree
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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; // current TreeNode's DOM node
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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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// container level events
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dojo.connect(this.node, "onmouseenter", this, "onOverEvent"),
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dojo.connect(this.node, "onmouseleave", this, "onOutEvent"),
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// switching between TreeNodes
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dojo.connect(this.tree, "_onNodeMouseEnter", this, "onMouseOver"),
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dojo.connect(this.tree, "_onNodeMouseLeave", 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:
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// Returns a data item by its key (id)
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// tags:
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// private
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// TODO: this appears to be unused. remove.
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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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destroy: function(){
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// summary:
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// Prepares this object to be garbage-collected
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dojo.forEach(this.events, dojo.disconnect);
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// this.clearItems();
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this.node = this.parent = null;
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},
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// mouse events
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onMouseOver: function(/*TreeNode*/ widget, /*Event*/ evt){
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// summary:
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// Called when mouse is moved over a TreeNode
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// tags:
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// protected
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this.current = widget.rowNode;
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this.currentWidget = widget;
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},
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onMouseOut: function(/*TreeNode*/ widget, /*Event*/ evt){
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// summary:
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// Called when mouse is moved away from a TreeNode
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// tags:
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// protected
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this.current = null;
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this.currentWidget = null;
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},
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_changeState: function(type, newState){
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// summary:
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// Changes a named state to new state value
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// type: String
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// A name of the state to change
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// newState: String
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// 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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_addItemClass: function(node, type){
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// summary:
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// Adds a class with prefix "dojoDndItem"
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// node: Node
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// A node
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// type: String
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// 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:
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// Removes a class with prefix "dojoDndItem"
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// node: Node
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// A node
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// type: String
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// 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:
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// This function is called once, when mouse is over our container
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// tags:
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// protected
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this._changeState("Container", "Over");
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},
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onOutEvent: function(){
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// summary:
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// This function is called once, when mouse is out of our container
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// tags:
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// protected
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this._changeState("Container", "");
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}
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});
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