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.postupload.client.ui;
  
  import org.opencms.ade.postupload.client.Messages;
  import org.opencms.gwt.client.CmsJsFunctions;
  
  import com.google.gwt.core.client.GWT;
  import com.google.gwt.dom.client.Style.Visibility;
  import com.google.gwt.uibinder.client.UiBinder;
  import com.google.gwt.uibinder.client.UiField;
  import com.google.gwt.user.client.ui.Composite;
  import com.google.gwt.user.client.ui.FlowPanel;
  import com.google.gwt.user.client.ui.Image;
  import com.google.gwt.user.client.ui.Label;
  
  import jsinterop.base.Js;
  
  /**
   * Widget to display an image preview in the upload property dialog.
   */
  public class CmsImagePreview extends Composite {
  
      /**
       * The UI binder interface.<p>
       */
      interface I_UiBinder extends UiBinder<FlowPanel, CmsImagePreview> {
          // nothing to do
      }
  
      private static I_UiBinder uiBinder = GWT.create(I_UiBinder.class);
  
      /** The preview image. */
      @UiField
      protected Image m_image;
  
      /** The first info label. */
      @UiField
      protected Label m_info1;
  
      /** The second info label. */
      @UiField
      protected Label m_info2;
  
      @UiField
      protected Label m_label;
  
      /** Link which opens the preview in a separate window. */
      @UiField
      protected CmsPreviewLink m_link;
  
      /**
       * Creates a new instance.
       */
      public CmsImagePreview() {
  
          initWidget(uiBinder.createAndBindUi(this));
          m_label.setText(Messages.get().key(Messages.GUI_DIALOG_PREVIEW_LABEL_0));
          m_image.addErrorHandler(event -> CmsJsFunctions.INSTANCE.handleBrokenImage(Js.cast(m_image.getElement())));
      }
  
      /**
       * Hides the widget using the CSS 'visibility' property (so it will still occupy space).
       */
      public void hide() {
  
          getElement().getStyle().setVisibility(Visibility.HIDDEN);
      }
  
      /**
       * Sets the full preview URL.
       *
       * @param fullPreviewUrl the full preview URL
       */
      public void setFullPreview(String fullPreviewUrl) {
  
          m_link.setHref(fullPreviewUrl);
      }
  
      /**
       * Sets the high resolution preview URL.
       *
       * @param highResPreviewLink the high resolution preview URL
       */
      public void setHighResImageUrl(String highResPreviewLink) {
  
          if (highResPreviewLink != null) {
              m_image.getElement().setAttribute("srcset", highResPreviewLink + " 2x");
          } else {
              m_image.getElement().removeAttribute("srcset");
          }
  
      }
  
      /**
       * Sets the preview image URL.
       *
       * @param imageUrl the preview image URL
       */
      public void setImageUrl(String imageUrl) {
  
          if (imageUrl == null) {
              imageUrl = "";
          }
          m_image.setUrl(imageUrl);
      }
  
      /**
       * Sets the first info label text.
       *
       * @param text the text
       */
      public void setInfo1(String text) {
  
          m_info1.setText(text);
      }
  
      /**
       * Sets the second info label text.
       *
       * @param text the text
       */
      public void setInfo2(String text) {
  
          m_info2.setText(text);
      }
  
  }
  