org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/uml2sd/handlers/MoveSDDown.java

   1 /**********************************************************************
   2  * Copyright (c) 2005, 2006, 2011 IBM Corporation and others.
   3  * All rights reserved.   This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  * $Id: MoveSDDown.java,v 1.2 2006/09/20 20:56:26 ewchan Exp $
   8  *
   9  * Contributors:
  10  * IBM - Initial API and implementation
  11  * Bernd Hufmann - Updated for TMF
  12  **********************************************************************/
  13 package org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers;
  14
  15 import org.eclipse.jface.action.Action;
  16 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDView;
  17 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDWidget;
  18
  19 /**
  20  * @author sveyrier
  21  *
  22  */
  23 public class MoveSDDown extends Action {
  24
  25     // ------------------------------------------------------------------------
  26     // Attributes
  27     // ------------------------------------------------------------------------
  28     public final static String ID = "org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.MoveSDDown"; //$NON-NLS-1$
  29
  30     protected SDView fView = null;
  31
  32     // ------------------------------------------------------------------------
  33     // Constructors
  34     // ------------------------------------------------------------------------
  35     public MoveSDDown() {
  36         this(null);
  37     }
  38
  39     public MoveSDDown(SDView view) {
  40         super();
  41         setId(ID);
  42         setActionDefinitionId(ID);
  43         fView = view;
  44     }
  45
  46     // ------------------------------------------------------------------------
  47     // Operations
  48     // ------------------------------------------------------------------------
  49     /*
  50      * (non-Javadoc)
  51      * @see org.eclipse.jface.action.Action#run()
  52      */
  53     @Override
  54     public void run() {
  55         if (fView == null) {
  56             return;
  57         }
  58         SDWidget viewer = fView.getSDWidget();
  59         if (viewer != null) {
  60             viewer.scrollBy(0, +viewer.getVisibleHeight());
  61         }
  62     }
  63
  64     /**
  65      * Sets the active SD view.
  66      * @param view The SD view.
  67      */
  68     public void setView(SDView view) {
  69         fView = view;
  70     }
  71 }