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/*
        Copyright (c) 2004-2006, The Dojo Foundation
        All Rights Reserved.

        Licensed under the Academic Free License version 2.1 or above OR the
        modified BSD license. For more information on Dojo licensing, see:

                http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.dnd.HtmlDragCopy");
dojo.require("dojo.dnd.*");
dojo.declare("dojo.dnd.HtmlDragCopySource", dojo.dnd.HtmlDragSource, function (node, type, copyOnce) {
        this.copyOnce = copyOnce;
        this.makeCopy = true;
}, {onDragStart:function () {
        var dragObj = new dojo.dnd.HtmlDragCopyObject(this.dragObject, this.type, this);
        if (this.dragClass) {
                dragObj.dragClass = this.dragClass;
        }
        if (this.constrainToContainer) {
                dragObj.constrainTo(this.constrainingContainer || this.domNode.parentNode);
        }
        return dragObj;
}, onSelected:function () {
        for (var i = 0; i < this.dragObjects.length; i++) {
                dojo.dnd.dragManager.selectedSources.push(new dojo.dnd.HtmlDragCopySource(this.dragObjects[i]));
        }
}});
dojo.declare("dojo.dnd.HtmlDragCopyObject", dojo.dnd.HtmlDragObject, function (dragObject, type, source) {
        this.copySource = source;
}, {onDragStart:function (e) {
        dojo.dnd.HtmlDragCopyObject.superclass.onDragStart.apply(this, arguments);
        if (this.copySource.makeCopy) {
                this.sourceNode = this.domNode;
                this.domNode = this.domNode.cloneNode(true);
        }
}, onDragEnd:function (e) {
        switch (e.dragStatus) {
          case "dropFailure":
                var startCoords = dojo.html.getAbsolutePosition(this.dragClone, true);
                var endCoords = {left:this.dragStartPosition.x + 1, top:this.dragStartPosition.y + 1};
                var anim = dojo.lfx.slideTo(this.dragClone, endCoords, 500, dojo.lfx.easeOut);
                var dragObject = this;
                dojo.event.connect(anim, "onEnd", function (e) {
                        dojo.lang.setTimeout(function () {
                                dojo.html.removeNode(dragObject.dragClone);
                                dragObject.dragClone = null;
                                if (dragObject.copySource.makeCopy) {
                                        dojo.html.removeNode(dragObject.domNode);
                                        dragObject.domNode = dragObject.sourceNode;
                                        dragObject.sourceNode = null;
                                }
                        }, 200);
                });
                anim.play();
                dojo.event.topic.publish("dragEnd", {source:this});
                return;
        }
        dojo.dnd.HtmlDragCopyObject.superclass.onDragEnd.apply(this, arguments);
        this.copySource.dragObject = this.domNode;
        if (this.copySource.copyOnce) {
                this.copySource.makeCopy = false;
        }
        new dojo.dnd.HtmlDragCopySource(this.sourceNode, this.type, this.copySource.copyOnce);
        this.sourceNode = null;
}});