content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.acacia.client.widgets.serialdate;
  
  import org.opencms.ade.contenteditor.client.Messages;
  import org.opencms.gwt.client.ui.CmsPushButton;
  import org.opencms.gwt.client.ui.input.datebox.CmsDateBox;
  
  import java.util.Date;
  import java.util.SortedSet;
  
  import com.google.gwt.core.shared.GWT;
  import com.google.gwt.event.dom.client.ClickEvent;
  import com.google.gwt.event.logical.shared.ValueChangeEvent;
  import com.google.gwt.uibinder.client.UiBinder;
  import com.google.gwt.uibinder.client.UiField;
  import com.google.gwt.uibinder.client.UiHandler;
  import com.google.gwt.user.client.ui.Composite;
  import com.google.gwt.user.client.ui.HTMLPanel;
  
  /**
   * The daily pattern panel.<p>
   * */
  public class CmsPatternPanelIndividualView extends Composite implements I_CmsSerialDatePatternView {
  
      /** The UI binder interface. */
      interface I_CmsPatternPanelIndividualUiBinder extends UiBinder<HTMLPanel, CmsPatternPanelIndividualView> {
          // nothing to do
      }
  
      /** The UI binder instance. */
      private static I_CmsPatternPanelIndividualUiBinder uiBinder = GWT.create(I_CmsPatternPanelIndividualUiBinder.class);
  
      /** Format with date only. */
      private String m_dateFormat = Messages.get().keyDefault(Messages.GUI_SERIALDATE_DATE_FORMAT_0, null);
  
      /** Input field for new dates. */
      @UiField
      CmsDateBox m_newDate;
  
      /** Button to add new dates. */
      @UiField
      CmsPushButton m_addButton;
  
      /** Button to remove selected dates. */
      @UiField
      CmsPushButton m_removeSelectedButton;
  
      /** The ui element for the list with the individual dates */
      @UiField(provided = true)
      CmsCheckableDatePanel m_dateList;
  
      /** The model to read the data from. */
      private final I_CmsObservableSerialDateValue m_model;
  
      /** The controller to handle changes. */
      final CmsPatternPanelIndividualController m_controller;
  
      /** Flag, indicating if change actions should not be triggered. */
      private boolean m_triggerChangeActions = true;
  
      /**
       * Default constructor to create the panel.<p>
       * @param controller the controller that handles value changes.
       * @param model the model that provides the values.
       */
      public CmsPatternPanelIndividualView(
          CmsPatternPanelIndividualController controller,
          I_CmsObservableSerialDateValue model) {
          m_controller = controller;
          m_model = model;
          m_model.registerValueChangeObserver(this);
  
          m_dateList = new CmsCheckableDatePanel(m_dateFormat);
          m_dateList.setWidth("100%");
          initWidget(uiBinder.createAndBindUi(this));
          m_addButton.setText(Messages.get().key(Messages.GUI_SERIALDATE_BUTTON_ADD_INDIVIDUAL_0));
          m_removeSelectedButton.setText(Messages.get().key(Messages.GUI_SERIALDATE_BUTTON_REMOVE_INDIVIDUAL_0));
  
      }
  
      /**
       * @see org.opencms.acacia.client.widgets.serialdate.I_CmsSerialDateValueChangeObserver#onValueChange()
       */
      public void onValueChange() {
  
          m_dateList.setDates(m_model.getIndividualDates());
  
      }
  
      /**
       * Handle click on "Add" button.
       * @param e the click event.
       */
      @UiHandler("m_addButton")
      void addButtonClick(ClickEvent e) {
  
          if (null != m_newDate.getValue()) {
              m_dateList.addDate(m_newDate.getValue());
              m_newDate.setValue(null);
              if (handleChange()) {
                  m_controller.setDates(m_dateList.getDates());
              }
          }
      }
  
      /**
       * Handle value change event on the individual dates list.
       * @param event the change event.
       */
      @UiHandler("m_dateList")
      void dateListValueChange(ValueChangeEvent<SortedSet<Date>> event) {
  
          if (handleChange()) {
              m_controller.setDates(event.getValue());
          }
      }
  
      /**
       * Returns a flag, indicating if change actions should be triggered.
       * @return a flag, indicating if change actions should be triggered.
       */
      boolean handleChange() {
  
          return m_triggerChangeActions;
      }
  
      /**
       * Handle click on "Remove selected" button.
       * @param e the click event.
       */
      @UiHandler("m_removeSelectedButton")
      void removeSelectedButtonClick(ClickEvent e) {
  
          m_dateList.setDates(m_dateList.getUncheckedDates());
      }
  
  }
  