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Diffstat (limited to 'js/dojo/dojox/mdnd/PureSource.js')
| -rw-r--r-- | js/dojo/dojox/mdnd/PureSource.js | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/js/dojo/dojox/mdnd/PureSource.js b/js/dojo/dojox/mdnd/PureSource.js new file mode 100644 index 0000000..efb0cd2 --- /dev/null +++ b/js/dojo/dojox/mdnd/PureSource.js @@ -0,0 +1,207 @@ +//>>built +define("dojox/mdnd/PureSource", ["dojo/_base/kernel","dojo/_base/declare","dojo/_base/html","dojo/_base/connect", + "dojo/_base/array","dojo/dnd/Selector","dojo/dnd/Manager"],function(dojo){ + return dojo.declare( + "dojox.mdnd.PureSource", + dojo.dnd.Selector, + { + // summary: + // A Source Object, which can be used only as a DnD source. + // A Source can contained several dnd items. + // A dnd item is not a source. + + horizontal: false, + copyOnly: true, + skipForm: false, + withHandles: false, + isSource: true, + targetState: "Disabled", + generateText: true, + + constructor: function(/*DOMNode|String*/node, /*dojo.dnd.__SourceArgs?*/params){ + // summary: + // Initialize a new PureSource. + // node: + // Node or node's id to build the source on. + // params: + // Any property of this class may be configured via the params + // object which is mixed-in to the 'dojo.dnd.Source' instance. + + //console.log('dojox.mdnd.PureSource ::: constructor'); + dojo.mixin(this, dojo.mixin({}, params)); + var type = this.accept; + + // class-specific variables + this.isDragging = false; + this.mouseDown = false; + + // states + this.sourceState = ""; + dojo.addClass(this.node, "dojoDndSource"); + if(this.horizontal){ + dojo.addClass(this.node, "dojoDndHorizontal"); + } + // set up events + this.topics = [ + dojo.subscribe("/dnd/cancel", this, "onDndCancel"), + dojo.subscribe("/dnd/drop", this, "onDndCancel") + ]; + }, + + onDndCancel: function(){ + // summary: + // Topic event processor for /dnd/cancel, called to cancel the Dnd + // operation. + // tags: + // callback + + //console.log('dojox.mdnd.PureSource ::: onDndCancel'); + this.isDragging = false; + this.mouseDown = false; + delete this.mouseButton; + }, + + copyState: function(/*Boolean*/keyPressed){ + // summary: + // Returns true, if we need to copy items, false to move. + // It is separated to be overwritten dynamically, if needed. + // keyPressed: + // The "copy" was pressed. + // returns: + // True, if we need to copy items, false to move. + + //console.log('dojox.mdnd.PureSource ::: copyState'); + return this.copyOnly || keyPressed; // Boolean + }, + + destroy: function(){ + // summary: + // Prepares the object to be garbage-collected. + + //console.log('dojox.mdnd.PureSource ::: destroy'); + dojox.mdnd.PureSource.superclass.destroy.call(this); + dojo.forEach(this.topics, dojo.unsubscribe); + this.targetAnchor = null; + }, + + markupFactory: function(/*Object*/params, /*DomNode*/node){ + // summary: + // Markup methods. + // params: + // ??? + // node: + // ??? + // returns: + // New dojox.mdnd.PureSource instance. + + //console.log('dojox.mdnd.PureSource ::: markupFactory'); + params._skipStartup = true; + return new dojox.mdnd.PureSource(node, params); + }, + + onMouseMove: function(/*Event*/e){ + // summary: + // Event processor for onmousemove. + // e: + // Mouse event. + + //console.log('dojox.mdnd.PureSource ::: onMouseMove'); + if(this.isDragging){ + return; + } + dojox.mdnd.PureSource.superclass.onMouseMove.call(this, e); + var m = dojo.dnd.manager(); + if(this.mouseDown && !this.isDragging && this.isSource){ + var nodes = this.getSelectedNodes(); + if(nodes.length){ + m.startDrag(this, nodes, this.copyState(dojo.isCopyKey(e))); + this.isDragging = true; + } + } + + }, + + onMouseDown: function(/*Event*/e){ + // summary: + // Event processor for onmousedown. + // e: + // Mouse event. + // tags: + // callback + + //console.log('dojox.mdnd.PureSource ::: onMouseDown'); + if(this._legalMouseDown(e) && (!this.skipForm || !dojo.dnd.isFormElement(e))){ + this.mouseDown = true; + this.mouseButton = e.button; + dojox.mdnd.PureSource.superclass.onMouseDown.call(this, e); + } + }, + + onMouseUp: function(/*Event*/e){ + // summary: + // Event processor for onmouseup. + // e: + // Mouse event + // tags: + // callback + + //console.log('.dnd.PureSource ::: onMouseUp'); + if(this.mouseDown){ + this.mouseDown = false; + dojox.mdnd.PureSource.superclass.onMouseUp.call(this, e); + } + }, + + onOverEvent: function(){ + // summary: + // Called once, when mouse is over our container. + // tags: + // callback + + //console.log('dojox.mdnd.PureSource ::: onOverEvent'); + dojox.mdnd.PureSource.superclass.onOverEvent.call(this); + dojo.dnd.manager().overSource(this); + }, + + onOutEvent: function(){ + // summary: + // Called once, when mouse is out our container. + // tags: + // callback + + //console.log('dojox.mdnd.PureSource ::: onOutEvent'); + dojox.mdnd.PureSource.superclass.onOutEvent.call(this); + dojo.dnd.manager().outSource(this); + }, + + _markDndStatus: function(/*Boolean*/copy){ + // summary: + // Changes source's state based on "copy" status. + // copy: + // Copy status. + // tags: + // protected + + //console.log('dojox.mdnd.PureSource ::: _markDndStatus'); + this._changeState("Source", copy ? "Copied" : "Moved"); + }, + + _legalMouseDown: function(/*Event*/e){ + // summary: + // Checks if user clicked on "approved" items. + // e: + // Mouse event. + // returns: + // True if user clicked on "approved" items. + // tags: + // protected + + //console.log('dojox.mdnd.PureSource ::: _legalMouseDown'); + if(!this.withHandles){ return true; } + for(var node = e.target; node && !dojo.hasClass(node, "dojoDndItem"); node = node.parentNode){ + if(dojo.hasClass(node, "dojoDndHandle")){ return true; } + } + return false; // Boolean + } + }); +});
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