Bug 138838 [Regression]Localization can't be set
Steps to reproduce: 1.New a report, add a Resource file "a.properties" for it 2.Add a label, select it, switch to property editor 3.Choose Localization, set key to "a", value to "actuate", add them to the resource file. 4.Select the key and value, click "OK" Expected result: "a=acutate" is added to the resource file and display text of lable is "actuate" Actual result: Read-Only File Encountered: File "XX\XX\a.properties_en_US.properties" is read-only, please make sure it can be written first. Note: the path for the resource file in the exception(XX\XX\a.properties_en_US.properties) is not the resource folder but the current workspace
UI/org.eclipse.birt.report.designer.ui.lib.explorer/src/org/eclipse/birt/report/designer/ui/lib/explorer/LibraryExplorerViewPage.java
*/
	public Control getControl( )
	{
		if ( treeViewer == null )
			return null;
		return treeViewer.getControl( );
	}
	/**
	 * Sets the focus to the tree viewer's control
	 */
	public void setFocus( )
	{
		treeViewer.getControl( ).setFocus( );
	}
	/**
	 * create the tree viewer of this page.
	 * 
	 * @param parent
	 *            this view page's parent.
	 * @return
	 */
	protected abstract TreeViewer createTreeViewer( Composite parent );
	/**
	 * Returns the tree viewer
	 * 
	 * @return the tree viewer
	 */
	public TreeViewer getTreeViewer( )
	{
		return treeViewer;