Bug 200916 Drag the sash in dataset editor dialog will lead the buttons hidden[07]
Description: Drag the sash in dataset editor dialog will lead the buttons hidden[07] Build number: 2.2.1.v20070823-0630 Steps to reproduce: 1, New a dataset 2, Turn to dataset parameter page 3, Drag the SASH in dataset 4, Check the New button on the right of the page Expected result: The New button isn't hidden Actual result: The New button is hidden by dragging the sash
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/property/AbstractPropertyDialog.java
* @param parentShell
	 *            The parent shell
	 * @param model
	 *            The model object that the dialog pages will interact with.
	 */
	public AbstractPropertyDialog( Shell parentShell, Object model )
	{
		super( parentShell, "" ); 
		setModel( model );
		setShellStyle( getShellStyle( ) | SWT.RESIZE | SWT.MAX );
		propertyPaneLayout = new StackLayout( );
		rootNode = new PropertyNode(
				"org.eclipse.birt.report.designer.ui.dialogs.properties.propertydialog.rootnode" ); 
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.IPropertyPageContainer#setModel(java.lang.Object)
	 */
	public void setModel( Object model )
	{
		modelObject = model;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.IPropertyPageContainer#getModel()
	 */
	public final Object getModel( )
	{