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
SessionHandleAdapter.getInstance( )
				.getMediator( )
				.notifyRequest( request );
		
		
		Object[] listeners = selectionChangedListeners.getListeners( );
		for ( int i = 0; i < listeners.length; ++i )
		{
			final ISelectionChangedListener l = (ISelectionChangedListener) listeners[i];
			Platform.run( new SafeRunnable( ) {
				public void run( )
				{
					l.selectionChanged( event );
				}
			} );
		}
	}
	/**
	 * Notifies that the selection has changed.
	 * 
	 * @param event
	 *            event object describing the change
	 */
	public void selectionChanged( SelectionChangedEvent event )
	{
		setSelection( event.getSelection( ) );
	}
	/**