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

   1 /**********************************************************************
   2  * Copyright (c) 2011 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.linuxtools.tmf.ui.views.uml2sd.handlers;
  13
  14 import org.eclipse.jface.action.Action;
  15 import org.eclipse.linuxtools.internal.tmf.ui.ITmfImageConstants;
  16 import org.eclipse.linuxtools.internal.tmf.ui.TmfUiPlugin;
  17 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.SDView;
  18 import org.eclipse.linuxtools.tmf.ui.views.uml2sd.util.SDMessages;
  19
  20 /**
  21  * Moves the focus on the first page in the sequence diagram view.
  22  */
  23 public class FirstPage extends Action {
  24
  25     // ------------------------------------------------------------------------
  26     // Attributes
  27     // ------------------------------------------------------------------------
  28     public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.uml2sd.handlers.firstpage"; //$NON-NLS-1$
  29
  30     protected SDView fView = null;
  31
  32     // ------------------------------------------------------------------------
  33     // Constructors
  34     // ------------------------------------------------------------------------
  35     public FirstPage(SDView theView) {
  36         super();
  37         fView = theView;
  38         setText(SDMessages._139);
  39         setToolTipText(SDMessages._140);
  40         setId(ID);
  41         setImageDescriptor(TmfUiPlugin.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_FIRST_PAGE));
  42     }
  43
  44     // ------------------------------------------------------------------------
  45     // Operations
  46     // ------------------------------------------------------------------------
  47     /*
  48      * (non-Javadoc)
  49      * @see org.eclipse.jface.action.Action#run()
  50      */
  51     @Override
  52     public void run() {
  53         if ((fView == null) || (fView.getSDWidget()) == null) {
  54             return;
  55         }
  56         if (fView.getSDPagingProvider() != null) {
  57             fView.getSDPagingProvider().firstPage();
  58         }
  59         fView.updateCoolBar();
  60         fView.getSDWidget().redraw();
  61     }
  62 }