ERDEditDatePopupOrNull.java

/*
 * Copyright (C) NetStruxr, Inc. All rights reserved.
 *
 * This software is published under the terms of the NetStruxr
 * Public Software License version 0.5, a copy of which has been
 * included with this distribution in the LICENSE.NPL file.  */
package er.directtoweb.components.dates;

import java.util.TimeZone;

import com.webobjects.appserver.WOContext;
import com.webobjects.appserver.WORequest;
import com.webobjects.foundation.NSTimestamp;
import com.webobjects.foundation.NSValidation;

/**
 * Allows the choice to not specify a date.
 */
public class ERDEditDatePopupOrNull extends ERDEditDatePopupCommon {
	/**
	 * Do I need to update serialVersionUID?
	 * See section 5.6 <cite>Type Changes Affecting Serialization</cite> on page 51 of the 
	 * <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
	 */
	private static final long serialVersionUID = 1L;

    public ERDEditDatePopupOrNull(WOContext context) { super(context); }

    protected static final String empty = "null";
    protected static final String date = "date";
    protected String _radioValue;

    public String empty() { return empty; }
    public String date() { return date; }

    public Object timeZoneString() {
        return TimeZone.getDefault().getDisplayName(true, TimeZone.SHORT);
    }

    public String radioValue(){
        if(_radioValue == null) {
            NSTimestamp dateValue = (NSTimestamp)objectPropertyValue();
            _radioValue = dateValue==null ? empty : date;
        }
        return _radioValue;
    }

    @Override
    public void reset(){
        super.reset();
        _radioValue = null;
    }

    public void setRadioValue(String newString) { _radioValue = newString; }

    public String radioBoxGroupName() { return ("DateOrNullGroup_"+key()); }

    @Override
    public void takeValuesFromRequest (WORequest request, WOContext context) {
        super.takeValuesFromRequest (request,context);
        if (context.wasFormSubmitted()) {
        	if (radioValue().equals(date)){
        		NSTimestamp date = null;
        		try {

        			if (time==null || time.length()!=5) {
        				date = (NSTimestamp)ALL_FORMAT.parseObject(day+" "+ month +" "+year);
        			} else {
        				date = (NSTimestamp)ALL_FORMAT_AND_TIME.parseObject(day+" "+ month +" "+year+" "+time);
        			}
        			object().validateTakeValueForKeyPath(date, key());
        		} catch (NSValidation.ValidationException v) {
        			parent().validationFailedWithException(v,date,key());
        		} catch(Exception e) {
        			parent().validationFailedWithException(e,date,key());
        		}
        	} else {
        		try {
        			object().validateTakeValueForKeyPath(null, key());
        		} catch (NSValidation.ValidationException v) {
        			parent().validationFailedWithException(v,null,key());
        		} catch(Exception e) {
        			parent().validationFailedWithException(e,null,key());
        		}
        	}
        }
    }
}