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define("dijit/tree/_dndContainer", [
"dojo/aspect", // aspect.after
"dojo/_base/declare", // declare
"dojo/dom-class", // domClass.add domClass.remove domClass.replace
"dojo/_base/event", // event.stop
"dojo/_base/lang", // lang.mixin lang.hitch
"dojo/on",
"dojo/touch"
], function(aspect, declare,domClass, event, lang, on, touch){
// module:
// dijit/tree/_dndContainer
/*=====
var __Args = {
// summary:
// A dict of parameters for Tree source configuration.
// isSource: Boolean?
// Can be used as a DnD source. Defaults to true.
// accept: String[]
// List of accepted types (text strings) for a target; defaults to
// ["text", "treeNode"]
// copyOnly: Boolean?
// Copy items, if true, use a state of Ctrl key otherwise,
// dragThreshold: Number
// The move delay in pixels before detecting a drag; 0 by default
// betweenThreshold: Integer
// Distance from upper/lower edge of node to allow drop to reorder nodes
};
=====*/
return declare("dijit.tree._dndContainer", null, {
// summary:
// This is a base class for `dijit/tree/_dndSelector`, and isn't meant to be used directly.
// It's modeled after `dojo/dnd/Container`.
// tags:
// protected
/*=====
// current: DomNode
// The currently hovered TreeNode.rowNode (which is the DOM node
// associated w/a given node in the tree, excluding it's descendants)
current: null,
=====*/
constructor: function(tree, params){
// summary:
// A constructor of the Container
// tree: Node
// Node or node's id to build the container on
// params: __Args
// A dict of parameters, which gets mixed into the object
// tags:
// private
this.tree = tree;
this.node = tree.domNode; // TODO: rename; it's not a TreeNode but the whole Tree
lang.mixin(this, params);
// class-specific variables
this.current = null; // current TreeNode's DOM node
// states
this.containerState = "";
domClass.add(this.node, "dojoDndContainer");
// set up events
this.events = [
// Mouse (or touch) enter/leave on Tree itself
on(this.node, touch.enter, lang.hitch(this, "onOverEvent")),
on(this.node, touch.leave, lang.hitch(this, "onOutEvent")),
// switching between TreeNodes
aspect.after(this.tree, "_onNodeMouseEnter", lang.hitch(this, "onMouseOver"), true),
aspect.after(this.tree, "_onNodeMouseLeave", lang.hitch(this, "onMouseOut"), true),
// cancel text selection and text dragging
on(this.node, "dragstart", lang.hitch(event, "stop")),
on(this.node, "selectstart", lang.hitch(event, "stop"))
];
},
destroy: function(){
// summary:
// Prepares this object to be garbage-collected
var h;
while(h = this.events.pop()){ h.remove(); }
// this.clearItems();
this.node = this.parent = null;
},
// mouse events
onMouseOver: function(widget /*===== , evt =====*/){
// summary:
// Called when mouse is moved over a TreeNode
// widget: TreeNode
// evt: Event
// tags:
// protected
this.current = widget;
},
onMouseOut: function(/*===== widget, evt =====*/){
// summary:
// Called when mouse is moved away from a TreeNode
// widget: TreeNode
// evt: Event
// tags:
// protected
this.current = null;
},
_changeState: function(type, newState){
// summary:
// Changes a named state to new state value
// type: String
// A name of the state to change
// newState: String
// new state
var prefix = "dojoDnd" + type;
var state = type.toLowerCase() + "State";
//domClass.replace(this.node, prefix + newState, prefix + this[state]);
domClass.replace(this.node, prefix + newState, prefix + this[state]);
this[state] = newState;
},
_addItemClass: function(node, type){
// summary:
// Adds a class with prefix "dojoDndItem"
// node: Node
// A node
// type: String
// A variable suffix for a class name
domClass.add(node, "dojoDndItem" + type);
},
_removeItemClass: function(node, type){
// summary:
// Removes a class with prefix "dojoDndItem"
// node: Node
// A node
// type: String
// A variable suffix for a class name
domClass.remove(node, "dojoDndItem" + type);
},
onOverEvent: function(){
// summary:
// This function is called once, when mouse is over our container
// tags:
// protected
this._changeState("Container", "Over");
},
onOutEvent: function(){
// summary:
// This function is called once, when mouse is out of our container
// tags:
// protected
this._changeState("Container", "");
}
});
});
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