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.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
{
				columnChooser.setText( columnName );
			}
			columnName = getColumnName( inputParameter.getLabelExpr( ) );
			if ( columnName != null )
			{
				displayTextChooser.setText( columnName );
			}
			if ( defaultValue != null )
			{
				defaultValueEditor.setText( defaultValue );
			}
		}
		updateMessageLine( );
	}
	private void initFormatField( )
	{
		if ( ( DesignChoiceConstants.PARAM_TYPE_DECIMAL.equals( lastControlType ) && DesignChoiceConstants.PARAM_TYPE_FLOAT.equals( getSelectedDataType( ) ) )
				|| ( DesignChoiceConstants.PARAM_TYPE_FLOAT.equals( lastControlType ) && DesignChoiceConstants.PARAM_TYPE_DECIMAL.equals( getSelectedDataType( ) ) ) )
		{
			return;
		}
		IChoiceSet choiceSet = getFormatChoiceSet( getSelectedDataType( ) );
		if ( choiceSet == null )
		{
			formatCategroy = formatPattern = null;
		}
		else
		{
			if ( !loading || inputParameter.getFormat( ) == null )