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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