Bug 180645 Support set format for Date/Time type parameter.[0705]
Description: Support set format for Date/Time type parameter. Build number:2.2.0.v200704031345 Steps to reproduce: 1. New a Date report parameter. 2. Click Change... button to set format for it. Expected result: Can set format for Date/Time parameter. Actual result: Change... button is disabled. Error log:N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
protected ScalarParameterHandle newParameter = null;
	private String defaultValue;
	
	private String formatPattern;
	private String formatCategroy;
	private boolean loading = true;
	private Button isRequired;
	private int maxStrLengthProperty;
	private int maxStrLengthOption;
	private String PROPERTY_LABEL_STRING[] = {
			LABEL_PARAM_NAME,
			LABEL_GROUP_PROMPT_TEXT,
			LABEL_PARAMTER_PROMPT_TEXT,
			LABEL_DATA_TYPE,
			LABEL_DISPLAY_TYPE,
			LABEL_DEFAULT_VALUE
	};
	private String OPTION_LABEL_STRING[] = {
			LABEL_HELP_TEXT, LABEL_FORMAT_AS, LABEL_LIST_LIMIT
	};
	protected int getMaxStrLength( String string[], Control control )
	{
		int len = UIUtil.getMaxStringWidth( string, control );
		return len;
	}
	/**
	 * 
	 * Constructor.
	 *