Bug 123404 Pre-define style shouldn't be listed in the style list
Description: Pre-define style shouldn't be listed in the style list Steps to reproduce: 1.Add a label 2.New a pre-define style named "label", set font color to red 3.New a text, select it Expected result: The pre-define style can't apply to the text through any way Actual result: In property editor or properties sheet, the style list lists the pre-define style, and it can be applied to the text Note: In context menu, pre-define style is invisible for the text
UI/org.eclipse.birt.report.designer.ui.lib.explorer/src/org/eclipse/birt/report/designer/ui/lib/explorer/LibraryExplorerTreeViewPage.java
{
		super( );
		SessionHandleAdapter.getInstance( )
				.getCommandStack( )
				.addListener( this );
	}
	/**
	 * Creates the tree view
	 * 
	 * @param parent
	 *            the parent
	 */
	protected TreeViewer createTreeViewer( Composite parent )
	{
		treeViewer = new TreeViewer( parent, SWT.MULTI
				| SWT.H_SCROLL
				| SWT.V_SCROLL ) {
			protected void inputChanged( Object input, Object oldInput )
			{
				super.inputChanged( input, oldInput );
				removeListener( oldInput );
				addListener( input );
			}
		};
		configTreeViewer( );
		initPage( );
		return treeViewer;
	}
	/**
	 * Configures the tree viewer.