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": // slide back to the start
var startCoords = dojo.html.getAbsolutePosition(this.dragClone, true);
// offset the end so the effect can be seen
var endCoords = { left: this.dragStartPosition.x + 1,
top: this.dragStartPosition.y + 1};
// animate
var anim = dojo.lfx.slideTo(this.dragClone, endCoords, 500, dojo.lfx.easeOut);
var dragObject = this;
dojo.event.connect(anim, "onEnd", function (e) {
// pause for a second (not literally) and disappear
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;
}
});