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/ParameterDialog.java
}
	/**
	 * @param key
	 * @param checkBox
	 * 
	 */
	protected void checkBoxChange( Button checkBox, String key )
	{
		dirtyProperties.put( key, new Boolean( checkBox.getSelection( ) ) );
		if ( CHECKBOX_ISREQUIRED.equals( key ) )
		{
			if ( isStatic( ) )
			{
				makeUniqueAndValid( );
				refreshValueTable( );
			}
			if ( getSelectedDataType( ).equals( DesignChoiceConstants.PARAM_TYPE_STRING ) )
			{
				clearDefaultValueChooser( checkBox.getSelection( ) );
			}
			updateMessageLine( );
		}
	}
	private void clearDefaultValueChooser( boolean isChecked )
	{
		if ( isChecked )
		{
			clearDefaultValueText( );
			clearDefaultValueChooserSelections( );
		}