Hi Lutz,
which qooxdoo version do you use?
Can you please test this code in a skeleton:
var win = new qx.ui.window.Window("First Window");
win.open();
var doc = this.getRoot();
doc.add(win, {left: 100, top: 50});
win.addListener("beforeClose", function(e) {
this.debug("beforeClose");
e.preventDefault();
}, this);
I use the current trunk (0.8.3-pre) and this example works.
Thanks,
Chris
Lutz Schoder schrieb:
> Hi Chris,
>
> yes I have.
>
> In the api documentation I found the preventDefault() method for the
> beforeClose Event
> of windows but the error message was the same. Thats why I tried the
> close Event.
>
> Regards
> Lutz
>
>
> Christian Schmidt schrieb:
>
>> Hi Lutz,
>>
>> Have you tried "beforeClose" instead of "close". I think this could
>> solve your problem, but I haven't tried it.
>>
>> Cheers,
>> Chris
>>
>>
>> Lutz Schoder schrieb:
>>
>>
>>> Hi All,
>>>
>>> I'm searching for a solution to ask the user for saving changes before
>>> closing the window. I tried it like this:
>>>
>>> construct : function(params) {
>>> this.__closing = false;
>>> ...
>>> this.addListener("close", function(evt) {if (!this.__closing)
>>> {this.__close("START", evt);}});
>>> ...
>>>
>>> __close : function(code, evt) {
>>> switch(code) {
>>> case "START" :
>>> evt.preventDefault();
>>> if (this.__panel.isEdited()) {
>>> new
>>> scqx.ui.dialogs.QuestionDialogYesNoAbort(this.tr("Save Changes"),
>>> this.tr("Would
>>> you save your changes before close?"),
>>> this,
>>>
>>> "SAVE_BEFORE_CLOSE", evt);
>>> } else {
>>> this._close("CLOSE", evt);
>>> }
>>> break;
>>> case "SAVE" :
>>> this.__save();
>>> this._close("CLOSE", evt);
>>> break;
>>> case "CLOSE" :
>>> this.__closing = true;
>>> ...
>>> this.close();
>>> break;
>>> }
>>> },
>>>
>>> The answer of the user is translated by callback functions to calls of
>>> this.__close("SAVE", evt) or
>>> this.__close("CLOSE", evt).
>>>
>>> But I got the message
>>> Assertion error! Cannot prevent default action on a non cancelable
>>> event: close: Called assertTrue with 'false'
>>>
>>> How can I stop the close?
>>>
>>> Thanks
>>>
>>> Lutz
>>>
>>>
>>>
>>>
>>>
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>
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