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

   1 /**********************************************************************
   2  * Copyright (c) 2005, 2012 IBM Corporation, Ericsson
   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  *
   8  * Contributors:
   9  *     IBM - Initial API and implementation
  10  *     Bernd Hufmann - Updated for TMF
  11  **********************************************************************/
  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  * Action class implementation to move right in the sequence diagram view within a page.
  21  *
  22  * @version 1.0
  23  * @author sveyrier
  24  *
  25  */
  26
  27 public class MoveSDRight extends Action {
  28
  29     // ------------------------------------------------------------------------
  30     // Constants
  31     // ------------------------------------------------------------------------
  32     /**
  33      * The action ID.
  34      */
  35      public final static String ID = "org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.MoveSDRight"; //$NON-NLS-1$
  36
  37     // ------------------------------------------------------------------------
  38     // Attributes
  39     // ------------------------------------------------------------------------
  40     /**
  41       * The sequence diagram view reference.
  42       */
  43     protected SDView fView = null;
  44
  45     // ------------------------------------------------------------------------
  46     // Constructors
  47     // ------------------------------------------------------------------------
  48     /**
  49      * Default constructor
  50      */
  51     public MoveSDRight() {
  52         this(null);
  53     }
  54
  55     /**
  56      * Constructor
  57      *
  58      * @param view a sequence diagram view reference
  59      */
  60     public MoveSDRight(SDView view) {
  61         super();
  62         setId(ID);
  63         setActionDefinitionId(ID);
  64         fView = view;
  65     }
  66
  67     // ------------------------------------------------------------------------
  68     // Methods
  69     // ------------------------------------------------------------------------
  70     /*
  71      * (non-Javadoc)
  72      * @see org.eclipse.jface.action.Action#run()
  73      */
  74     @Override
  75     public void run() {
  76
  77         if (fView == null) {
  78             return;
  79         }
  80
  81         SDWidget viewer = fView.getSDWidget();
  82         if (viewer != null) {
  83             viewer.scrollBy(+viewer.getVisibleWidth(), 0);
  84         }
  85     }
  86
  87     /**
  88      * Sets the active SD view.
  89      *
  90      * @param view The SD view.
  91      */
  92    public void setView(SDView view) {
  93         fView = view;
  94     }
  95 }