listChanged = true;
	private void addSelection( )	{		String key = keyText.getText( );		String val = valueText.getText( );		if ( key != null && key.trim( ).length( ) > 0 )		{			content.put( key, val );			viewer.setInput( content );			updateSelection( );		}		else		{			MessageDialog.openWarning( getShell( ),					Messages.getString( "ResourceEditDialog.text.AddWarningTitle" ), //$NON-NLS-1$					Messages.getString( "ResourceEditDialog.text.AddWarningMsg" ) ); //$NON-NLS-1$		}	}