I don't understand why you not just modify the things as discussed
previously. The modifications done by Derrell was looking well - or am I
wrong. Please tell me exactly the current situation so that we can find
a solution which fits your needs and let us be as compatible as possible
to the "old" behavior.
Sebastian
bibliograph schrieb:
> Some random hacking of the qooxdoo 0.7 code reveals thatt if I patch the
> current 0.7 branch code like this, it does what I want. But this is
> hardly the solution and might have many unintended consequences.
>
> qx.ui.core.Widget.prototype.supportsDrop = function (dragCache)
> {
> var supportsDropMethod = this.getSupportsDropMethod();
> if (supportsDropMethod !== null) {
> return supportsDropMethod.call(this, dragCache);
> }
> return true; // the original code checks for (dragCache.sourceWidget
> == this), but have to return true by default otherwise it will alway
> return false
> };
>
> qx.event.handler.DragAndDropHandler.prototype.getDropTarget =
> qx.core.Variant.select("qx.client",
> {
> "gecko" : function(e)
> {
> var vCurrent = e.getTarget();
>
> // we need to comment out the following bit
> // if (vCurrent == this.__dragCache.sourceWidget) {
> // vCurrent =
> qx.event.handler.EventHandler.getTargetObject(qx.html.ElementFromPoint.getElementFromPoint(e.getPageX(),
>
> e.getPageY()));
> // } else {
>
>
> vCurrent = qx.event.handler.EventHandler.getTargetObject(null,
> vCurrent);
>
>
> // }
>
> while (vCurrent != null)
> {
>
> if (!vCurrent.supportsDrop(this.__dragCache)) {
> return null;
> }
>
> if (this.supportsDrop(vCurrent)) {
> return vCurrent;
> }
>
> vCurrent = vCurrent.getParent();
> }
>
> return null;
> },
>
> "default" : function(e)
> {
> var vCurrent = e.getTarget();
>
> while (vCurrent != null)
> {
> if (!vCurrent.supportsDrop(this.__dragCache)) {
> return null;
> }
>
> if (this.supportsDrop(vCurrent)) {
> return vCurrent;
> }
>
> vCurrent = vCurrent.getParent();
> }
>
> return null;
> }
> });
>
> bibliograph schrieb:
>> Hello Sebastian and others,
>>
>> I am still having the same problem with drag and drop over the tree and
>> both Derrell and I cannot do anything without your input. I have
>> produced a screencast to demonstrate the problem:
>>
>> http://m41s09.vlinux.de/dragDropProblem.avi (Sorry, 2MB)
>>
>> I am using Firefox 2.06. In the screencast, I am monitoring the drag
>> target (variable vCurrent) in
>> qx.event.handler.DragAndDropHandler.getDropTarget() .
>>
>> In seconds 00-11, I am dragging on the source widget (a treevirtual)
>> itself. The drag target is sometimes a label, a hbox layout, or the
>> split pane, but NEVER the TreeVirtual, which it should be. Since the
>> drop Target doesn't find a supportsDrop method, it bubbles up to the
>> client document and then returns false because drop target is identical
>> with drag source.
>>
>> In seconds 11- 21, I am hovering over the left TreeVirtual, and the drop
>> target is correct.
>>
>> I have experimented with the code that retrieves the correct drop type,
>> but I do simply not have the background to know what I am doing there.
>>
>> It is really important to solve this if qooxdoo is to have extensive
>> drag & drop support and I hope you can help.
>>
>> Thanks,
>>
>> Christian
>>
>>
>>
>>
>>
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>
>
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