Bug 139409 Properties file with multi-catalog
Details: Properties file with multi-catalog Step: 1. Set the resource folder as c:/source 2. Create a folder in resource folder: c:/source/properties/ 3. New a report design and create a properties in c:/source/properties/ 4. Add a label ans switch to Locatization, press ... 5. Add a key and value. Actual result: It said that the properties file is read-only and I can not add some key.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ResourceEditDialog.java
Messages.getString( "ResourceEditDialog.text.AddWarningMsg" ) ); 
		}
	}
	private void deleteSelection( )
	{
		if ( viewer.getTable( ).getSelectionIndex( ) != -1 )
		{
			String key = keyText.getText( );
			content.remove( key );
			viewer.getTable( ).remove( viewer.getTable( ).getSelectionIndex( ) );
			updateSelection( );
		}
	}
	private void updateButtonState( )
	{
		getOkButton( ).setEnabled( viewer.getTable( ).getSelectionCount( ) > 0 );
		btnDelete.setEnabled( viewer.getTable( ).getSelectionIndex( ) != -1 );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.dialogs.Dialog#okPressed()
	 */
	protected void okPressed( )
	{
		saveMessage( );
		setResult( viewer.getTable( ).getSelection( )[0].getText( 0 ) );
		super.okPressed( );
	}
}