Hi Alexei,
the current layout system have some problems which will be improved
with qooxdoo 0.8. Please take a look to our roadmap.
Until then please take a look at the BoxLayout implementations. These
are the most complete renderer implementations currently available.
Normally you don't need to manually inform the children. You just
need to tell them if a change of the parent widget have effects on
them. Please take a deeper look into updateChildOnInnerWidth/
HeightChange. Hope this helps.
Grretings,
Sebastian
Am 12.02.2007 um 10:05 schrieb [EMAIL PROTECTED]:
> Hello,
>
> I'm developing my custom layout (mentioned previously in this
> list). I've been
> studing the code of qooxdoo layouts for a while, then created my
> own. It
> works OK when children are simple widgets.
> But it fails when the child is layout (for example CanvasLayout).
> I.e. it
> doesn't force the child layout update. What should I call in *Impl
> to force
> child update?
>
> The main thing what I'm doing there is _apply* methods? Is there
> any other
> method (to call or implement) which will fix that?
>
> Here is what my *Impl class looks like:
>
> qx.Proto.updateChildOnInnerWidthChange = function(vChild)
> {
> vChild.addToLayoutChanges("location");
>
> return true;
> }
>
> qx.Proto.layoutChild = function(vChild, vJobs) {
> var widget = this.getWidget();
> var width = widget.getInnerWidth();
> if(width != this._prevWidth) {
> widget._recomputeColumnWidth();
> widget._recomputeColumns();
> this._prevWidth = width;
> }
>
> var config = widget._config[vChild._placeId];
> var columns = widget._columns;
> var isLabel = vChild instanceof qx.ui.basic.Label;
> if(isLabel) {
> var column = columns[config.startCol + '_'];
> vChild._applyRuntimeLeft(column.left + column.width -
> config._labelWidth);
> vChild._applyRuntimeTop(config.top);
> }
> else {
> var startCol = columns[config.startCol];
> var endCol = columns[config.endCol];
>
> vChild._applyRuntimeLeft(startCol.left);
> vChild._applyRuntimeWidth(endCol.start[config.startCol]);
> vChild._applyRuntimeTop(config.top);
> vChild._applyRuntimeHeight(config.height);
> }
> }
>
>
> Thanks,
> Alexei Golovko
>
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-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier.
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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