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
* Adds a listener for selection changes in this selection provider. Has no
	 * effect if an identical listener is already registered.
	 * 
	 * @param listener
	 *            a selection changed listener
	 */
	public void addSelectionChangedListener( ISelectionChangedListener listener )
	{
		selectionChangedListeners.add( listener );
	}
	/**
	 * Returns the current selection for this provider.
	 * 
	 * @return the current selection
	 */
	public ISelection getSelection( )
	{
		if ( getTreeViewer( ) == null )
		{
			return StructuredSelection.EMPTY;
		}
		return getTreeViewer( ).getSelection( );
	}
	/**
	 * Removes the given selection change listener from this selection provider.
	 * Has no affect if an identical listener is not registered.
	 * 
	 * @param listener
	 *            a selection changed listener
	 */