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/LibraryExplorerView.java
* @see #doCreatePage
	 */
	protected void doDestroyPage( IWorkbenchPart part, PageRec pageRecord )
	{
		IPage page = pageRecord.page;
		page.dispose( );
		pageRecord.dispose( );
	}
	/**
	 * Returns the active, important workbench part for this view.
	 * <p>
	 * When the page book view is created it has no idea which part within the
	 * workbook should be used to generate the first page. Therefore, it
	 * delegates the choice to subclasses of <code>PageBookView</code>.
	 * </p>
	 * <p>
	 * Implementors of this method should return an active, important part in
	 * the workbench or <code>null</code> if none found.
	 * </p>
	 * 
	 * @return the active important part, or <code>null</code> if none
	 */
	protected IWorkbenchPart getBootstrapPart( )
	{
		IWorkbenchPage page = getSite( ).getPage( );
		if ( page != null )
		{
			return page.getActiveEditor( );
		}
		return null;