answering myself:
I came up with the following solution which uses qx.Class.patch:
qx.Mixin.define("my.ui.tooltip.PManager",
{
/*
*****************************************************************************
MEMBERS
*****************************************************************************
*/
members :
{
_applyCurrent : function(value, old)
{
this.base(arguments,value,old);
if(value) {
value.setRich(true);
}
}
}
});
qx.Class.patch(qx.ui.tooltip.Manager, my.ui.tooltip.PManager);
qx.Class.patchwraps the the old overwritten/patched member so it is
accessible to the this.base call:
https://github.com/qooxdoo/qooxdoo/blob/35db87d/framework/source/class/qx/Class.js#L1336
Not ideal, but it works.
Regards
Dietrich Streifert
Am 28.03.2012 12:44, schrieb Dietrich Streifert:
> Hi all!
>
> I need to change the tooltip manager in order to use rich text (html)
> tooltips for form items having an invalid message (value in property
> invalidMessage).
>
> The only way I currently can think of is to copy qx.ui.tooltip.Manager
> over to my namespace and modify the code because deriving from
> singleton classes is not working
> (http://bugzilla.qooxdoo.org/show_bug.cgi?id=3005).
>
> Other ways to get this working would be to have one of the following:
>
> 1. add a richErrorText property to qx.ui.tooltip.Manager which creates
> the error tooltip accordingly.
>
> 2. allow the "rich" property of qx.ui.tooltip.ToolTip to be themable
> which would allow to override the rich property via a modified
> appearance in my own theme.
>
> Does anyone have another idea?
>
> Thank you for your help.
>
> Regards
> Dietrich Streifert
>
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