/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.uruma.binding.value.binder;

 import java.text.DecimalFormat;

 import java.text.ParseException;

 import java.text.SimpleDateFormat;

 import java.util.Calendar;

 import java.util.Date;

 import org.eclipse.swt.widgets.DateTime;

 import org.seasar.framework.beans.PropertyDesc;

 import org.seasar.uruma.binding.value.ValueBinder;

 import org.seasar.uruma.component.UIComponent;

 /**

  * {@link DateTime} のための {@link ValueBinder} です。<br />

  * 

  * @author shhirose

  */

 public class DateTimeValueBinder extends AbstractValueBinder<DateTime> {

     /**

      * {@link DateTimeValueBinder} を構築します。<br />

      */

     public DateTimeValueBinder() {

         super(DateTime.class);

     }

     /*

      * @see org.seasar.uruma.binding.value.binder.AbstractValueBinder#doImportValue(java.lang.Object,

      *      java.lang.Object, org.seasar.framework.beans.PropertyDesc)

      */

     @Override

     protected void doImportValue(final DateTime widget, final Object formObj,

             final PropertyDesc propDesc, final UIComponent uiComp) {

         Date date = null;

         SimpleDateFormat sdFormat = new SimpleDateFormat("yyyyMMddHHmmss");

         DecimalFormat dFormat = new DecimalFormat("00");

         try {

             date = sdFormat.parse(widget.getYear()

                     + dFormat.format(widget.getMonth() + 1)

                     + dFormat.format(widget.getDay())

                     + dFormat.format(widget.getHours())

                     + dFormat.format(widget.getMinutes())

                     + dFormat.format(widget.getSeconds()));

         } catch (ParseException ex) {

             date = new Date();

         }

         logBinding(IMPORT_VALUE, formObj, propDesc, widget, propDesc, date);

         propDesc.setValue(formObj, date);

     }

     /*

      * @see org.seasar.uruma.binding.value.binder.AbstractValueBinder#doExportValue(java.lang.Object,

      *      java.lang.Object, org.seasar.framework.beans.PropertyDesc)

      */

     @Override

     protected void doExportValue(final DateTime widget, final Object formObj,

             final PropertyDesc propDesc, final UIComponent uiComp) {

         Object value = propDesc.getValue(formObj);

         if (value == null || !(value instanceof Date)) {

             value = new Date();

         }

         logBinding(EXPORT_VALUE, formObj, propDesc, widget, propDesc, value);

         Calendar cal = Calendar.getInstance();

         cal.setTime((Date) value);

         widget.setYear(cal.get(Calendar.YEAR));

         widget.setMonth(cal.get(Calendar.MONTH));

         widget.setDay(cal.get(Calendar.DATE));

         widget.setHours(cal.get(Calendar.HOUR_OF_DAY));

         widget.setMinutes(cal.get(Calendar.MINUTE));

         widget.setSeconds(cal.get(Calendar.SECOND));

     }

 }