Bug 113938 Report is marked dirty when open/close cascading parameter dialog without doing any operation on it
description: Report is marked dirty when open/close cascading parameter dialog without doing any operation on it steps to reproduce: 1.new a cascading parameter group 2.save the reprot 3.double click the cascading parameter to bring out edit box 4.click OK to close edit box actual result: Report has been marked dirty expected result: No dirty marked for that no operations done in edit parameter dialog
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
public static GroupElementHandle getMultiSelectionHandle( List modelList )
	{
		ModuleHandle designHandle = SessionHandleAdapter.getInstance( )
				.getReportDesignHandle( );
		GroupElementHandle handle = new GroupElementHandle( designHandle,
				modelList );
		return handle;
	}
	/**
	 * Escapes \ and " following standard of Javascript
	 * 
	 * @param str
	 * @return new string after escape special character
	 */
	public static String escape( String str )
	{
		String[][] chars = {{"\\\\", "\""}, {"\\\\\\\\", "\\\\\""}}; 
		String result = str;
		for ( int i = 0; i < chars[0].length; i++ )
		{
			result = result.replaceAll( chars[0][i], chars[1][i] );
		}
		return result;
	}
	/**
	 * Gets decimal string given the number of zeros.
	 */
	public static String getDecmalStr( int decPlaces )
	{
		String defaultDecs = "0000000000";