org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/filter/CopyHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 Kalray
   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  *   Xavier Raynaud - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.filter;
  14
  15 import org.eclipse.core.commands.AbstractHandler;
  16 import org.eclipse.core.commands.ExecutionEvent;
  17 import org.eclipse.core.commands.ExecutionException;
  18 import org.eclipse.jface.util.LocalSelectionTransfer;
  19 import org.eclipse.jface.viewers.ISelection;
  20 import org.eclipse.ui.IWorkbenchPage;
  21 import org.eclipse.ui.IWorkbenchPart;
  22 import org.eclipse.ui.IWorkbenchWindow;
  23 import org.eclipse.ui.PlatformUI;
  24
  25 /**
  26  * Handler for copy command in filter view
  27  * @author Xavier Raynaud <xavier.raynaud@kalray.eu>
  28  * @since 3.0
  29  */
  30 public class CopyHandler extends AbstractHandler {
  31
  32     @Override
  33     public Object execute(ExecutionEvent event) throws ExecutionException {
  34         // Check if we are closing down
  35         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  36         if (window == null) {
  37             return null;
  38         }
  39         IWorkbenchPage page = window.getActivePage();
  40         FilterView part = (FilterView) page.getActivePart();
  41         ISelection selection = getSelection(part);
  42
  43         LocalSelectionTransfer.getTransfer().setSelection(selection);
  44         LocalSelectionTransfer.getTransfer().setSelectionSetTime(System.currentTimeMillis());
  45         return null;
  46     }
  47
  48     /**
  49      * Retrieve the current selection
  50      *
  51      * @param tcv
  52      *            the FilterView
  53      * @return the current selection in the FilterView
  54      */
  55     protected ISelection getSelection(FilterView tcv) {
  56         return tcv.getViewSite().getSelectionProvider().getSelection();
  57     }
  58
  59     @Override
  60     public boolean isEnabled() {
  61         // Check if we are closing down
  62         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  63         if (window == null) {
  64             return false;
  65         }
  66
  67         // Get the selection
  68         IWorkbenchPage page = window.getActivePage();
  69         IWorkbenchPart part = page.getActivePart();
  70         if (part instanceof FilterView) {
  71             FilterView tcv = (FilterView) part;
  72             ISelection selection = tcv.getSite().getSelectionProvider().getSelection();
  73             if (!selection.isEmpty()) {
  74                 return true;
  75             }
  76         }
  77         return false;
  78     }
  79 }