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.serialdate;
  
  import org.opencms.gwt.client.ui.input.CmsTextBox;
  import org.opencms.gwt.client.ui.input.I_CmsFormWidget;
  import org.opencms.gwt.client.ui.input.form.CmsWidgetFactoryRegistry;
  import org.opencms.gwt.client.ui.input.form.I_CmsFormWidgetFactory;
  
  import java.util.Map;
  
  import com.google.common.base.Optional;
  import com.google.gwt.event.dom.client.BlurEvent;
  import com.google.gwt.event.dom.client.BlurHandler;
  import com.google.gwt.event.dom.client.FocusEvent;
  import com.google.gwt.event.dom.client.FocusHandler;
  
  /** An extension of {@link CmsTextBox} that keeps information about its focus state. */
  public class CmsFocusAwareTextBox extends CmsTextBox {
  
      /** Flag, indicating if the text box is currently focused. */
      boolean m_hasFocus;
  
      /** Default constructor. */
      public CmsFocusAwareTextBox() {
          super();
          super.addFocusHandler(new FocusHandler() {
  
              public void onFocus(FocusEvent event) {
  
                  m_hasFocus = true;
  
              }
          });
          super.addBlurHandler(new BlurHandler() {
  
              public void onBlur(BlurEvent event) {
  
                  m_hasFocus = false;
  
              }
          });
      }
  
      /**
       * Initializes this class.<p>
       */
      public static void initClass() {
  
          // registers a factory for creating new instances of this widget
          CmsWidgetFactoryRegistry.instance().registerFactory(WIDGET_TYPE, new I_CmsFormWidgetFactory() {
  
              /**
               * @see org.opencms.gwt.client.ui.input.form.I_CmsFormWidgetFactory#createWidget(java.util.Map, com.google.common.base.Optional)
               */
              public I_CmsFormWidget createWidget(Map<String, String> widgetParams, Optional<String> defaultValue) {
  
                  return new CmsFocusAwareTextBox().colorWhite();
              }
          });
      }
  
      /**
       * Returns a flag, indicating if the text box is currently focused.
       * @return a flag, indicating if the text box is currently focused.
       */
      public boolean isFocused() {
  
          return m_hasFocus;
      }
  
  }
  