tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/uml2sd/handlers/FirstPage.java

   1 /**********************************************************************
   2  * Copyright (c) 2011, 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Bernd Hufmann - Initial API and implementation
  11  **********************************************************************/
  12 package org.eclipse.tracecompass.tmf.ui.views.uml2sd.handlers;
  13
  14 import org.eclipse.tracecompass.internal.tmf.ui.Activator;
  15 import org.eclipse.tracecompass.internal.tmf.ui.ITmfImageConstants;
  16 import org.eclipse.tracecompass.tmf.ui.views.uml2sd.SDView;
  17 import org.eclipse.tracecompass.tmf.ui.views.uml2sd.util.Messages;
  18
  19 /**
  20  * Action class implementation to move the focus to the first page of the whole sequence diagram.
  21  *
  22  * @version 1.0
  23  * @author Bernd Hufmann
  24  */
  25 public class FirstPage extends BaseSDAction {
  26
  27     // ------------------------------------------------------------------------
  28     // Constants
  29     // ------------------------------------------------------------------------
  30
  31     /**
  32      * The action ID.
  33      */
  34     public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.firstpage"; //$NON-NLS-1$
  35
  36     // ------------------------------------------------------------------------
  37     // Constructors
  38     // ------------------------------------------------------------------------
  39
  40     /**
  41      * Default constructor
  42      *
  43      * @param view the view reference
  44      */
  45     public FirstPage(SDView view) {
  46         super(view);
  47         setText(Messages.SequenceDiagram_FirstPage);
  48         setToolTipText(Messages.SequenceDiagram_GoToFirstPage);
  49         setId(ID);
  50         setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_FIRST_PAGE));
  51     }
  52
  53     // ------------------------------------------------------------------------
  54     // Methods
  55     // ------------------------------------------------------------------------
  56
  57     @Override
  58     public void run() {
  59         if ((getView() == null) || (getView().getSDWidget()) == null) {
  60             return;
  61         }
  62         if (getView().getSDPagingProvider() != null) {
  63             getView().getSDPagingProvider().firstPage();
  64         }
  65         getView().updateCoolBar();
  66         getView().getSDWidget().redraw();
  67     }
  68 }