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1   /**
2    * This file Copyright (c) 2010-2018 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.ui.vaadin.gwt.client.layout.lazylayout.connector;
35  
36  import info.magnolia.ui.vaadin.gwt.client.layout.lazylayout.rpc.LazyLayoutServerRpc;
37  import info.magnolia.ui.vaadin.gwt.client.layout.lazylayout.shared.ThumbnailData;
38  import info.magnolia.ui.vaadin.gwt.client.layout.lazylayout.widget.EscalatorPanel;
39  import info.magnolia.ui.vaadin.gwt.client.layout.lazylayout.widget.EscalatorThumbnailsPanel;
40  import info.magnolia.ui.vaadin.gwt.shared.Range;
41  import info.magnolia.ui.vaadin.layout.LazyThumbnailLayout;
42  
43  import com.google.gwt.user.client.Timer;
44  import com.vaadin.client.communication.RpcProxy;
45  import com.vaadin.shared.ui.Connect;
46  
47  /**
48   * Sub implementaton of {@link LazyLayoutConnector} for thumbnails, aka the legacy 5.x UI.
49   *
50   * @deprecated since 6.0, will be removed with 5.x UI.
51   */
52  @Deprecated
53  @Connect(LazyThumbnailLayout.class)
54  public class LazyThumbnailLayoutConnector extends LazyLayoutConnector implements EscalatorThumbnailsPanel.Listener {
55  
56      private final LazyLayoutServerRpc rpc = RpcProxy.create(LazyLayoutServerRpc.class, this);
57  
58      private Timer timer = new Timer() {
59          @Override
60          public void run() {
61              serveThumbnails();
62          }
63      };
64  
65      protected EscalatorPanel createWidget() {
66          final EscalatorThumbnailsPanel layout = new EscalatorThumbnailsPanel(this);
67          layout.setThumbnailService(new ThumbnailService() {
68              @Override
69              public void onViewportChanged(final Range requestedRange) {
70                  timer.schedule(THUMBNAIL_QUERY_RPC_DELAY);
71                  updateSelection();
72              }
73  
74              @Override
75              public void onThumbnailsScaled(float ratio) {
76                  rpc.setScaleRatio(ratio);
77              }
78          });
79          return layout;
80      }
81  
82      @Override
83      void updateThumbnailContentAtIndex(int thumbnailAbsoluteIndex) {
84          final ThumbnailData thumbnailData = indexToThumbnail.get(thumbnailAbsoluteIndex);
85          if (thumbnailData.isRealResource()) {
86              getWidget().updateImageSource(idToUrl.get(thumbnailData.getThumbnailId()), thumbnailAbsoluteIndex);
87          } else {
88              getWidget().updateIconFontStyle("icon-" + thumbnailData.getIconFontId(), thumbnailAbsoluteIndex);
89          }
90      }
91  
92      @Override
93      LazyLayoutServerRpc getLazyLayoutServerRpc() {
94          return rpc;
95      }
96  
97      @Override
98      public void onThumbnailClicked(int index, boolean isMetaKeyPressed, boolean isShiftKeyPressed) {
99          rpc.onElementsSelected(index, isMetaKeyPressed, isShiftKeyPressed);
100     }
101 
102     @Override
103     public void onThumbnailRightClicked(int index, int xPos, int yPos) {
104         rpc.onElementRightClicked(index, xPos, yPos);
105     }
106 
107     @Override
108     public void onThumbnailDoubleClicked(int index) {
109         rpc.onElementDoubleClicked(index);
110     }
111 
112     void cancelTimer() {
113         timer.cancel();
114     }
115 }