Thank you - that worked :) Best regards - Claus
Am Dienstag, den 24.08.2010, 13:07 +0200 schrieb Christian Hagendorn:
> Hi Claus,
>
> I saw, you don't call the constructor from the super class, please use
> this for example:
>
> --snip--
> construct : function() {
> this.base(arguments, new qx.ui.layout.VBox(5));
>
> //add content areas
> this.add(this.__getLogo());
> },
> --snip--
>
> Cheers,
> Chris
>
> Am 24.08.2010 12:06, schrieb Claus Straube:
> > Sorry for the repost, but I took some code out of the snippet below.
> > Unfortunately an important part as well...
> >
> > --snip--
> > construct : function()
> > {
> >
> > this.debug("initializing left screen.");
> > this.setLayout(new qx.ui.layout.VBox(5));
> >
> > //add content areas
> > this.add(this.__getLogo());
> >
> >
> > },
> > --snip--
> >
> > Am Dienstag, den 24.08.2010, 11:56 +0200 schrieb Claus Straube:
> >> Hi all,
> >>
> >> I want to extend the Composite class with that code:
> >>
> >> --snip--
> >> qx.Class.define("qooxdoo_test.LeftScreen",
> >> {
> >> extend: qx.ui.container.Composite,
> >>
> >> construct : function()
> >> {
> >>
> >> this.debug("initializing left screen.");
> >>
> >> //add content areas
> >> this.add(this.__getLogo());
> >>
> >>
> >> },
> >>
> >>
> >> members :
> >> {
> >> __getLogo: function(){
> >> this.debug("create logo in container --> " + this);
> >> var header = new qx.ui.container.Composite(new
> >> qx.ui.layout.HBox());
> >> header.add(new
> >> qx.ui.basic.Image("qooxdoo_test/images/logo.png"));
> >> header.add(new
> >> qx.ui.core.Widget().set({backgroundColor: "#FFFFFF"}),
> >> { flex: 2 });
> >>
> >> return header;
> >> }
> >>
> >> }
> >> });
> >> --snip--
> >>
> >> the debug results are:
> >> 001882 initializing left screen.
> >> 001883 create logo in container --> qooxdoo_test.LeftScreen[undefined]
> >>
> >> and I'm getting this error:
> >> this.$$parent.getContentElement() is null
> >> [Break on this error] this.$$parent.getContentElement().add(container);
> >>
> >> Do I have a mistake in my code or is it not allowed to add children to a
> >> composite in the constructor?
> >>
> >> Thanks in advance - Claus
> >>
> >>
> >>
> >>
> >>
> >> ------------------------------------------------------------------------------
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> >
>
>
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