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.containerpage.client.ui;
  
  import org.opencms.ade.containerpage.client.CmsContainerpageController;
  import org.opencms.ade.containerpage.client.CmsContainerpageHandler;
  import org.opencms.ade.containerpage.client.Messages;
  import org.opencms.ade.containerpage.client.ui.css.I_CmsLayoutBundle;
  import org.opencms.ade.containerpage.shared.CmsContainerPageGalleryData;
  import org.opencms.ade.galleries.client.CmsGalleryController;
  import org.opencms.ade.galleries.client.CmsGalleryControllerHandler;
  import org.opencms.ade.galleries.client.I_CmsGalleryHandler;
  import org.opencms.ade.galleries.client.ui.CmsGalleryDialog;
  import org.opencms.ade.galleries.client.ui.CmsResultListItem;
  import org.opencms.ade.galleries.shared.CmsGalleryDataBean;
  import org.opencms.ade.galleries.shared.CmsGallerySearchBean;
  import org.opencms.ade.galleries.shared.CmsResultItemBean;
  import org.opencms.gwt.client.dnd.CmsDNDHandler;
  import org.opencms.gwt.client.ui.A_CmsToolbarMenu;
  import org.opencms.gwt.client.ui.CmsListItemWidget.Background;
  import org.opencms.gwt.client.ui.CmsPopup;
  import org.opencms.gwt.client.ui.CmsToolbarPopup;
  import org.opencms.gwt.client.ui.I_CmsAutoHider;
  import org.opencms.gwt.client.ui.I_CmsButton;
  import org.opencms.gwt.client.ui.input.CmsLabel;
  import org.opencms.gwt.shared.CmsListInfoBean.StateIcon;
  
  import com.google.common.base.Predicate;
  import com.google.common.base.Predicates;
  import com.google.gwt.dom.client.Document;
  import com.google.gwt.dom.client.Style.FontStyle;
  import com.google.gwt.user.client.ui.FlowPanel;
  import com.google.gwt.user.client.ui.SimplePanel;
  import com.google.gwt.user.client.ui.Widget;
  
  /**
   * The gallery tool-bar menu.<p>
   *
   * @since 8.0.0
   */
  public class CmsToolbarGalleryMenu extends A_CmsToolbarMenu<CmsContainerpageHandler> {
  
      /**
       * The gallery handler for the container page editor.<p>
       */
      class GalleryHandler implements I_CmsGalleryHandler {
  
          /** The drag and drop filter. */
          private Predicate<CmsResultItemBean> m_dndFilter;
  
          /**
           * Constructor.<p>
           *
           * @param dndFilter the drag and drop filter
           */
          GalleryHandler(Predicate<CmsResultItemBean> dndFilter) {
  
              m_dndFilter = dndFilter;
          }
  
          /**
           * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#filterDnd(org.opencms.ade.galleries.shared.CmsResultItemBean)
           */
          public boolean filterDnd(CmsResultItemBean resultBean) {
  
              if (m_dndFilter != null) {
                  return m_dndFilter.apply(resultBean);
              } else {
                  return true;
              }
          }
  
          /**
           * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#getAdditionalTypeTabControl()
           */
          public Widget getAdditionalTypeTabControl() {
  
              return CmsContainerpageController.get().getHandler().createViewSelectorForGalleryDialog();
          }
  
          /**
           * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#getAutoHideParent()
           */
          public I_CmsAutoHider getAutoHideParent() {
  
              return getPopup();
          }
  
          /**
           * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#getDndHandler()
           */
          public CmsDNDHandler getDndHandler() {
  
              return getDragHandler();
          }
  
          /**
           * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#processResultItem(org.opencms.ade.galleries.client.ui.CmsResultListItem)
           */
          public void processResultItem(CmsResultListItem item) {
  
              if (item.getResult().isCopyModel()) {
                  item.getListItemWidget().setBackground(Background.YELLOW);
                  CmsLabel titleWidget = item.getListItemWidget().getTitleWidget();
                  titleWidget.getElement().getStyle().setFontStyle(FontStyle.OBLIQUE);
                  String newText = Messages.get().key(Messages.GUI_COPY_MODEL_TITLE_WRAPPER_1, titleWidget.getText());
                  titleWidget.setText(newText);
                  item.getListItemWidget().setStateIcon(StateIcon.copy);
              }
          }
  
      }
  
      /** The gallery dialog instance. */
      private CmsGalleryDialog m_dialog;
  
      /** The drag and drop handler for the gallery menu. */
      private CmsDNDHandler m_dragHandler;
  
      /** The gallery data. */
      private CmsGalleryDataBean m_galleryData;
  
      /** The gallery search bean. */
      private CmsGallerySearchBean m_search;
  
      /** The gallery dialog container. */
      private SimplePanel m_tabsContainer;
  
      /**
       * Constructor.<p>
       *
       * @param handler the container-page handler
       * @param dragHandler the container-page drag handler
       */
      public CmsToolbarGalleryMenu(CmsContainerpageHandler handler, CmsDNDHandler dragHandler) {
  
          super(I_CmsButton.ButtonData.WAND_BUTTON, handler);
          m_dragHandler = dragHandler;
          FlowPanel contentPanel = new FlowPanel();
          m_tabsContainer = new SimplePanel();
          m_tabsContainer.addStyleName(I_CmsLayoutBundle.INSTANCE.containerpageCss().menuTabContainer());
          contentPanel.add(m_tabsContainer);
          setMenuWidget(contentPanel);
      }
  
      /**
       * @see org.opencms.gwt.client.ui.I_CmsToolbarButton#onToolbarActivate()
       */
      @SuppressWarnings("unused")
      public void onToolbarActivate() {
  
          Document.get().getBody().addClassName(I_CmsButton.ButtonData.WAND_BUTTON.getIconClass());
          if (m_dialog == null) {
              int dialogHeight = CmsToolbarPopup.getAvailableHeight();
              int dialogWidth = CmsToolbarPopup.getAvailableWidth();
              Predicate<CmsResultItemBean> resultDndFilter = Predicates.alwaysTrue();
              if (CmsContainerpageController.get().getData().getTemplateContextInfo().getCurrentContext() != null) {
                  resultDndFilter = new CmsTemplateContextResultDndFilter();
              }
              final Predicate<CmsResultItemBean> finalDndFilter = resultDndFilter;
              CmsGalleryDialog galleryDialog = new CmsGalleryDialog(new GalleryHandler(finalDndFilter));
              CmsGalleryController galleryController = new CmsGalleryController(
                  new CmsGalleryControllerHandler(galleryDialog),
                  m_galleryData,
                  m_search);
              galleryController.setContainerInfoProvider(
                  () -> CmsContainerpageController.get().getContainerInfoForGalleries());
              galleryController.setTemplateContextInfoProvider(
                  () -> CmsContainerpageController.get().getData().getTemplateContextInfo());
              m_dialog = galleryDialog;
              m_dialog.setDialogSize(dialogWidth, dialogHeight);
              getPopup().setWidth(dialogWidth);
              m_tabsContainer.add(m_dialog);
          } else {
              int dialogWidth = CmsToolbarPopup.getAvailableWidth();
              getPopup().setWidth(dialogWidth);
              m_dialog.truncate("GALLERY_DIALOG_TM", dialogWidth);
              m_dialog.updateSizes();
          }
      }
  
      /**
       * @see org.opencms.gwt.client.ui.I_CmsToolbarButton#onToolbarDeactivate()
       */
      public void onToolbarDeactivate() {
  
          Document.get().getBody().removeClassName(I_CmsButton.ButtonData.WAND_BUTTON.getIconClass());
      }
  
      /**
       * Updates the gallery data.<p>
       *
       * @param galleryData the gallery data
       * @param viewChanged <code>true</code> in case the element view changed
       */
      public void updateGalleryData(CmsContainerPageGalleryData galleryData, boolean viewChanged) {
  
          if (m_dialog != null) {
              if (viewChanged) {
                  m_dialog.removeFromParent();
                  m_dialog = null;
              } else {
                  m_dialog.updateGalleryData(galleryData.getGalleryData());
              }
          }
          m_galleryData = galleryData.getGalleryData();
          m_search = galleryData.getGallerySearch();
      }
  
      /**
       * Gets the drag handler.<p>
       *
       * @return the drag handler
       */
      protected CmsDNDHandler getDragHandler() {
  
          return m_dragHandler;
      }
  
      /**
       * @see org.opencms.gwt.client.ui.CmsMenuButton#getPopup()
       */
      @Override
      protected CmsPopup getPopup() {
  
          return super.getPopup();
      }
  
  }