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/CascadingParametersDialog.java
{
	private static final String LABEL_PROMPT_TEXT = Messages.getString( "CascadingParametersDialog.label.promptText" ); 
	private static final String LABEL_SELECT_DISPLAY_COLUMN = Messages.getString( "CascadingParametersDialog.label.select.displayColumn" ); 
	private static final String LABEL_VALUES = Messages.getString( "CascadingParametersDialog.label.values" ); 
	private static final String LABEL_LIST_LIMIT = Messages.getString( "CascadingParametersDialog.label.listLimit" ); 
	private static final String LABEL_GROUP_GENERAL = Messages.getString( "CascadingParametersDialog.label.group.general" ); 
	private static final String LABEL_CASCADING_PARAMETER_NAME = Messages.getString( "CascadingParametersDialog.label.cascadingParam.name" ); 
	private static final String LABEL_DATA_SETS = Messages.getString( "CascadingParametersDialog.label.dataSets" ); 
	private static final String LABEL_BUTTON_CREATE_NEW_DATASET = Messages.getString( "CascadingParametersDialog.label.button.createNew.dataset" ); 
	private static final String LABEL_PARAMETERS = Messages.getString( "CascadingParametersDialog.label.parameters" ); 
	private static final String LABEL_GROUP_PROPERTIES = Messages.getString( "CascadingParametersDialog.label.group.properties" ); 
	private static final String LABEL_PARAM_NAME = Messages.getString( "CascadingParametersDialog.label.param.name" ); 
	private static final String LABEL_DATA_TYPE = Messages.getString( "CascadingParametersDialog.label.dataType" ); 
	private static final String LABEL_DISPLAY_TYPE = Messages.getString( "CascadingParametersDialog.label.displayType" ); 
	private static final String LABEL_DEFAULT_VALUE = Messages.getString( "CascadingParametersDialog.label.defaultValue" ); 
	private static final String LABEL_GROUP_MORE_OPTIONS = Messages.getString( "CascadingParametersDialog.label.group.moreOptions" ); 
	private static final String LABEL_HELP_TEXT = Messages.getString( "CascadingParametersDialog.label.helpText" ); 
	private static final String LABEL_FORMAT_AS = Messages.getString( "CascadingParametersDialog.label.formatAs" ); 
	private static final String LABEL_CHANGE_FORMAT_BUTTON = Messages.getString( "CascadingParametersDialog.label.button.changeFormat" ); 
	private static final String LABEL_PREVIEW_WITH_FORMAT = Messages.getString( "CascadingParametersDialog.label.preview" ); 
	private static final String LABEL_CREATE_NEW_PARAMETER = Messages.getString( "CascadingParametersDialog.label.createNewParam" ); 
	private static final String LABEL_SELECT_A_VALUE_COLUMN = Messages.getString( "CascadingParametersDialog.label.selecteValueColumn" ); 
	private static final String COLUMN_NAME = "Name"; 
	private static final String COLUMN_VALUE = "Value"; 
	private static final String COLUMN_DISPLAY_TEXT = "Display Text"; 
	private static final String COLUMN_NAME_LABEL = Messages.getString( "CascadingParametersDialog.label.column.name" ); 
	private static final String COLUMN_VALUE_LABEL = Messages.getString( "CascadingParametersDialog.label.column.value" );