PanelStretchLayout: change height of the top facet

Hi,
I've defined a panelStretchlayout panel. In the top facet I've placed a ShowPanelHeader. What I now wanted to do is to change the height of top facet each time the showpanelheader is disclosed. Just to show some data.
I've defined a disclosurelistener and I check when the disclosure event isExpanded() then the height should change.
This is code:
if (disclosureEvent.isExpanded() == true)
{ getPanelStretchLayout1().setTopHeight(300);
getShowDetailHeader1().setInlineStyle("height:200px; width:300px;"); }
else
{ getPanelStretchLayout1().setTopHeight(55);
getShowDetailHeader1().setInlineStyle("height:55px; width:100px;");
However nothing happens. Does anyone has a idea how it should work ?

UIManager.put() is changing height of all tabs but i want to change height of only selected tab. Then you probably need to write your own TabbedPaneUI.

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