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
if ( treeViewPage == null )
		{
			treeViewPage = new LibraryExplorerTreeViewPage( );
			initPage( treeViewPage );
			treeViewPage.createControl( getPageBook( ) );
		}
		return new PageRec( part, treeViewPage );
	}
	/**
	 * Destroys a page in the pagebook for a particular part. This page was
	 * returned as a result from <code>doCreatePage</code>.
	 * 
	 * @param part
	 *            the input part
	 * @param pageRecord
	 *            a page record for the part