content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (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;
  
  import org.opencms.gwt.client.ui.input.CmsCheckBox;
  import org.opencms.gwt.client.ui.input.CmsMultiCheckBox;
  
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  import com.google.gwt.dom.client.Element;
  import com.google.gwt.event.dom.client.FocusEvent;
  import com.google.gwt.event.dom.client.FocusHandler;
  import com.google.gwt.event.logical.shared.ValueChangeEvent;
  import com.google.gwt.event.logical.shared.ValueChangeHandler;
  import com.google.gwt.event.shared.HandlerRegistration;
  import com.google.gwt.user.client.ui.Composite;
  
  /**
   * Provides a standard HTML form checkbox widget, for use on a widget dialog.<p>
   *
   *
   * @since 8.5.0
   *
   * */
  public class CmsMultiCheckboxWidget extends Composite implements I_CmsEditWidget {
  
      /** Value of the activation. */
      private boolean m_active = true;
      /** The multi check box panel. */
      private CmsMultiCheckBox m_multicheckbox;
      /** The selected checkboxes. */
      private String m_selected;
  
      /**
       * Constructs an OptionalTextBox with the given caption on the check.<p>
       *
       * @param config configuration string
       *
       */
      public CmsMultiCheckboxWidget(String config) {
  
          m_multicheckbox = new CmsMultiCheckBox(parseconfig(config));
          setValue(m_selected);
          // All composites must call initWidget() in their constructors.
          initWidget(m_multicheckbox);
          //panel.add(m_multicheckbox);
  
          List<CmsCheckBox> checkboxes = m_multicheckbox.getCheckboxes();
          Iterator<CmsCheckBox> it = checkboxes.iterator();
          while (it.hasNext()) {
              it.next().addValueChangeHandler(new ValueChangeHandler<Boolean>() {
  
                  public void onValueChange(ValueChangeEvent<Boolean> arg0) {
  
                      fireChangeEvent();
  
                  }
  
              });
          }
  
      }
  
      /**
       * @see com.google.gwt.event.dom.client.HasFocusHandlers#addFocusHandler(com.google.gwt.event.dom.client.FocusHandler)
       */
      public HandlerRegistration addFocusHandler(FocusHandler handler) {
  
          return addDomHandler(handler, FocusEvent.getType());
      }
  
      /**
       * @see com.google.gwt.event.logical.shared.HasValueChangeHandlers#addValueChangeHandler(com.google.gwt.event.logical.shared.ValueChangeHandler)
       */
      public HandlerRegistration addValueChangeHandler(ValueChangeHandler<String> handler) {
  
          return addHandler(handler, ValueChangeEvent.getType());
      }
  
      /**
       *  Represents a value change event.<p>
       */
      public void fireChangeEvent() {
  
          ValueChangeEvent.fire(this, m_multicheckbox.getFormValueAsString());
      }
  
      /**
  
  
      /**
       * @see com.google.gwt.user.client.ui.HasValue#getValue()
       */
      public String getValue() {
  
          return m_multicheckbox.getFormValueAsString();
      }
  
      /**
       * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#isActive()
       */
      public boolean isActive() {
  
          return m_active;
      }
  
      /**
       * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#onAttachWidget()
       */
      public void onAttachWidget() {
  
          super.onAttach();
      }
  
      /**
       * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#owns(com.google.gwt.dom.client.Element)
       */
      public boolean owns(Element element) {
  
          // TODO implement this in case we want the delete behavior for optional fields
          return false;
  
      }
  
      /**
       * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#setActive(boolean)
       */
      public void setActive(boolean active) {
  
          if (active == m_active) {
              return;
          }
          m_active = active;
          m_multicheckbox.setEnabled(active);
          if (active) {
              fireChangeEvent();
          }
  
      }
  
      /**
       * @see org.opencms.acacia.client.widgets.I_CmsEditWidget#setName(java.lang.String)
       */
      public void setName(String name) {
  
          // no input field so nothing to do
  
      }
  
      /**
       * @see com.google.gwt.user.client.ui.HasValue#setValue(java.lang.Object)
       */
      public void setValue(String value) {
  
          setValue(value, false);
  
      }
  
      /**
       * @see com.google.gwt.user.client.ui.HasValue#setValue(java.lang.Object, boolean)
       */
      public void setValue(String value, boolean fireEvents) {
  
          m_selected = value;
          m_multicheckbox.setFormValueAsString(value);
          if (fireEvents) {
              fireChangeEvent();
          }
  
      }
  
      /**
       * Helper class for parsing the configuration in to a list of Radiobuttons. <p>
       *
       * @param config the configuration string
       * @return Map of option and value of the checkbox
       * */
      private Map<String, String> parseconfig(String config) {
  
          Map<String, String> result = new HashMap<String, String>();
          m_selected = "";
          String[] labels = config.split("\\|");
          for (int i = 0; i < labels.length; i++) {
  
              if (labels[i].indexOf("*") >= 0) {
                  labels[i] = labels[i].replace("*", "");
                  m_selected += labels[i] + "|";
              }
              result.put(labels[i], labels[i]);
          }
          m_selected = m_selected.substring(0, m_selected.lastIndexOf("|"));
          return result;
      }
  
  }
  