Bug 182062 Define and provide Date/Time format value
DateTime type has been supported in BIRT. Now, there's a proposal on support Date/Time type in BIRT Report Designer. In order to enable end user setting the format of Date/Time type, please define and provide format value for both Date and Time.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/elements/DesignChoiceConstants.java
public static final String COLUMN_ALIGN_CENTER = "center"; 
	public static final String COLUMN_ALIGN_RIGHT = "right"; 
	/**
	 * queryFrom -- Where the query is from The first constant is the name of
	 * queryFrom choice. The followed constants are valid choice values of
	 * queryFrom.
	 */
	public static final String CHOICE_QUERY_CHOICE_TYPE = "queryChoiceType"; 
	public static final String QUERY_CHOICE_TYPE_NONE = "none"; 
	public static final String QUERY_CHOICE_TYPE_TEXT = "text"; 
	public static final String QUERY_CHOICE_TYPE_SCRIPT = "script"; 
	/**
	 * numberFormat -- the number format The first constant is the name of
	 * numberFormat choice. The followed constants are valid choice values of
	 * numberFormat.
	 */
	public static final String CHOICE_NUMBER_FORMAT_TYPE = "numberFormat"; 
	public static final String NUMBER_FORMAT_TYPE_UNFORMATTED = "Unformatted"; 	
	public static final String NUMBER_FORMAT_TYPE_GENERAL_NUMBER = "General Number"; 
	public static final String NUMBER_FORMAT_TYPE_CURRENCY = "Currency"; 
	public static final String NUMBER_FORMAT_TYPE_FIXED = "Fixed"; 
	public static final String NUMBER_FORMAT_TYPE_PERCENT = "Percent"; 
	public static final String NUMBER_FORMAT_TYPE_SCIENTIFIC = "Scientific"; 
	public static final String NUMBER_FORMAT_TYPE_STANDARD = "Standard"; 
	public static final String NUMBER_FORMAT_TYPE_CUSTOM = "Custom"; 
	/**
	 * dateTimeFormat -- the date/time format The first constant is the name of
	 * dateTimeFormat choice. The followed constants are valid choice values of
	 * dateTimeFormat.
	 */