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.ade.galleries.client.preview.ui;
  
  import org.opencms.ade.galleries.client.preview.I_CmsPreviewHandler;
  import org.opencms.ade.galleries.shared.I_CmsGalleryProviderConstants.GalleryMode;
  
  import com.google.gwt.core.client.GWT;
  import com.google.gwt.uibinder.client.UiBinder;
  import com.google.gwt.user.client.ui.Composite;
  import com.google.gwt.user.client.ui.FlowPanel;
  
  /**
   * Basic preview detail tab layout.<p>
   *
   * @since 8.0.
   */
  public abstract class A_CmsPreviewDetailTab extends Composite {
  
      /**
       * @see com.google.gwt.uibinder.client.UiBinder
       */
      protected interface I_CmsPreviewDetailTabUiBinder extends UiBinder<FlowPanel, A_CmsPreviewDetailTab> {
          // gwt interface, nothing to do
      }
  
      /** The ui-binder instance for this class. */
      private static I_CmsPreviewDetailTabUiBinder uiBinder = GWT.create(I_CmsPreviewDetailTabUiBinder.class);
  
      /** The main panel. */
      protected FlowPanel m_main;
  
      /** The tab height. */
      protected int m_tabHeight;
  
      /** The tab width. */
      protected int m_tabWidth;
  
      /** Flag indicating if tab content has been changed and will need saving. */
      private boolean m_changed;
  
      /** The mode of the gallery. */
      private GalleryMode m_dialogMode;
  
      /**
       * Constructor.<p>
       *
       * @param dialogMode the gallery mode
       * @param height the tab height
       * @param width the tab width
       */
      public A_CmsPreviewDetailTab(GalleryMode dialogMode, int height, int width) {
  
          m_main = uiBinder.createAndBindUi(this);
          initWidget(m_main);
  
          m_dialogMode = dialogMode;
          m_tabHeight = height;
          m_tabWidth = width;
      }
  
      /**
       * Returns if the given tab has changes that need saving.<p>
       *
       * @return <code>true</code> if the given tab has changes that need saving
       */
      public boolean isChanged() {
  
          return m_changed;
      }
  
      /**
       * Returns the gallery mode.<p>
       *
       * @return the gallery mode
       */
      protected GalleryMode getDialogMode() {
  
          return m_dialogMode;
      }
  
      /**
       * Returns the preview handler.<p>
       *
       * @return the preview handler
       */
      protected abstract I_CmsPreviewHandler<?> getHandler();
  
      /**
       * Sets the changed state of the tab.<p>
       *
       * @param changed the changed state
       */
      protected void setChanged(boolean changed) {
  
          m_changed = changed;
      }
  
  }
  