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1   /**
2    * This file Copyright (c) 2013-2016 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.editor.event;
35  
36  import com.google.gwt.event.shared.EventHandler;
37  import com.google.gwt.event.shared.GwtEvent;
38  
39  /**
40   * Event used to notify the system, that a move has started. Not used for DnD events.
41   * Initiated by a client side move, when clicking on the move button on the {@link info.magnolia.ui.vaadin.gwt.client.widget.controlbar.ComponentBar}.
42   * The event will cause a server round trip to notify the server which will in return start the move on client side.
43   *
44   * @see info.magnolia.ui.vaadin.gwt.client.rpc.PageEditorClientRpc
45   * <pre>
46   *  <ul>
47   *      <li>fired by {@link info.magnolia.ui.vaadin.gwt.client.editor.dom.MgnlComponent#onMoveStart(boolean)}</li>
48   *      <li>handled by {@link info.magnolia.ui.vaadin.gwt.client.connector.PageEditorConnector}</li>
49   *  </ul>
50   * </pre>
51   */
52  public class ComponentStartMoveEvent extends GwtEvent<ComponentStartMoveEvent.CompnentStartMoveEventHandler> {
53  
54      public static Type<CompnentStartMoveEventHandler> TYPE = new Type<CompnentStartMoveEventHandler>();
55  
56      @Override
57      public Type<CompnentStartMoveEventHandler> getAssociatedType() {
58          return TYPE;
59      }
60  
61      @Override
62      protected void dispatch(CompnentStartMoveEventHandler handler) {
63          handler.onStart(this);
64      }
65  
66      /**
67       * Handler for {@link ComponentStartMoveEvent}.
68       */
69      public static interface CompnentStartMoveEventHandler extends EventHandler {
70          void onStart(ComponentStartMoveEvent componentStartMoveEvent);
71      }
72  }