1 files changed, 82 insertions, 0 deletions
diff --git a/js/dojo-1.6/dojo/dnd/TimedMoveable.js b/js/dojo-1.6/dojo/dnd/TimedMoveable.js
new file mode 100644
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--- /dev/null
+++ b/js/dojo-1.6/dojo/dnd/TimedMoveable.js
@@ -0,0 +1,82 @@
+/*
+	Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
+	Available via Academic Free License >= 2.1 OR the modified BSD license.
+	see: http://dojotoolkit.org/license for details
+*/
+
+
+if(!dojo._hasResource["dojo.dnd.TimedMoveable"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.dnd.TimedMoveable"] = true;
+dojo.provide("dojo.dnd.TimedMoveable");
+dojo.require("dojo.dnd.Moveable");
+
+
+
+/*=====
+dojo.declare("dojo.dnd.__TimedMoveableArgs", [dojo.dnd.__MoveableArgs], {
+	// timeout: Number
+	//		delay move by this number of ms,
+	//		accumulating position changes during the timeout
+	timeout: 0
+});
+=====*/
+
+(function(){
+	// precalculate long expressions
+	var oldOnMove = dojo.dnd.Moveable.prototype.onMove;
+		
+	dojo.declare("dojo.dnd.TimedMoveable", dojo.dnd.Moveable, {
+		// summary:
+		//		A specialized version of Moveable to support an FPS throttling.
+		//		This class puts an upper restriction on FPS, which may reduce
+		//		the CPU load. The additional parameter "timeout" regulates
+		//		the delay before actually moving the moveable object.
+		
+		// object attributes (for markup)
+		timeout: 40,	// in ms, 40ms corresponds to 25 fps
+	
+		constructor: function(node, params){
+			// summary:
+			//		an object that makes a node moveable with a timer
+			// node: Node||String
+			//		a node (or node's id) to be moved
+			// params: dojo.dnd.__TimedMoveableArgs
+			//		object with additional parameters.
+			
+			// sanitize parameters
+			if(!params){ params = {}; }
+			if(params.timeout && typeof params.timeout == "number" && params.timeout >= 0){
+				this.timeout = params.timeout;
+			}
+		},
+	
+		// markup methods
+		markupFactory: function(params, node){
+			return new dojo.dnd.TimedMoveable(node, params);
+		},
+	
+		onMoveStop: function(/* dojo.dnd.Mover */ mover){
+			if(mover._timer){
+				// stop timer
+				clearTimeout(mover._timer)
+				// reflect the last received position
+				oldOnMove.call(this, mover, mover._leftTop)
+			}
+			dojo.dnd.Moveable.prototype.onMoveStop.apply(this, arguments);
+		},
+		onMove: function(/* dojo.dnd.Mover */ mover, /* Object */ leftTop){
+			mover._leftTop = leftTop;
+			if(!mover._timer){
+				var _t = this;	// to avoid using dojo.hitch()
+				mover._timer = setTimeout(function(){
+					// we don't have any pending requests
+					mover._timer = null;
+					// reflect the last received position
+					oldOnMove.call(_t, mover, mover._leftTop);
+				}, this.timeout);
+			}
+		}
+	});
+})();
+
+}