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

   1 /**********************************************************************
   2  * Copyright (c) 2005, 2006 IBM Corporation and others.
   3  * Copyright (c) 2011, 2012 Ericsson.
   4  *
   5  * All rights reserved.   This program and the accompanying materials
   6  * are made available under the terms of the Eclipse Public License v1.0
   7  * which accompanies this distribution, and is available at
   8  * http://www.eclipse.org/legal/epl-v10.html
   9  *
  10  * Contributors:
  11  * IBM - Initial API and implementation
  12  * Bernd Hufmann - Updated for TMF
  13  **********************************************************************/
  14 package org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers;
  15
  16 import org.eclipse.jface.action.Action;
  17 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDView;
  18 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDWidget;
  19
  20 /**
  21  * Action class implementation to move right in the sequence diagram view within a page.
  22  *
  23  * @version 1.0
  24  * @author sveyrier
  25  *
  26  */
  27
  28 public class MoveSDRight extends Action {
  29
  30     // ------------------------------------------------------------------------
  31     // Constants
  32     // ------------------------------------------------------------------------
  33     /**
  34      * The action ID.
  35      */
  36      public final static String ID = "org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.MoveSDRight"; //$NON-NLS-1$
  37
  38     // ------------------------------------------------------------------------
  39     // Attributes
  40     // ------------------------------------------------------------------------
  41     /**
  42       * The sequence diagram view reference.
  43       */
  44     protected SDView fView = null;
  45
  46     // ------------------------------------------------------------------------
  47     // Constructors
  48     // ------------------------------------------------------------------------
  49     /**
  50      * Default constructor
  51      */
  52     public MoveSDRight() {
  53         this(null);
  54     }
  55
  56     /**
  57      * Constructor
  58      *
  59      * @param view a sequence diagram view reference
  60      */
  61     public MoveSDRight(SDView view) {
  62         super();
  63         setId(ID);
  64         setActionDefinitionId(ID);
  65         fView = view;
  66     }
  67
  68     // ------------------------------------------------------------------------
  69     // Methods
  70     // ------------------------------------------------------------------------
  71     /*
  72      * (non-Javadoc)
  73      * @see org.eclipse.jface.action.Action#run()
  74      */
  75     @Override
  76     public void run() {
  77
  78         if (fView == null) {
  79             return;
  80         }
  81
  82         SDWidget viewer = fView.getSDWidget();
  83         if (viewer != null) {
  84             viewer.scrollBy(+viewer.getVisibleWidth(), 0);
  85         }
  86     }
  87
  88     /**
  89      * Sets the active SD view.
  90      *
  91      * @param view The SD view.
  92      */
  93    public void setView(SDView view) {
  94         fView = view;
  95     }
  96 }