org.eclipse.tracecompass.tmf.ui/src/org/eclipse/linuxtools/internal/tmf/ui/commands/OpenFileHandler.java

   1 /**********************************************************************
   2  * Copyright (c) 2013, 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  *   Matthew Khouzam - Initial API and implementation
  11  *   Patrick Tasse - Add support for folder elements
  12  **********************************************************************/
  13
  14 package org.eclipse.linuxtools.internal.tmf.ui.commands;
  15
  16 import org.eclipse.core.commands.AbstractHandler;
  17 import org.eclipse.core.commands.ExecutionEvent;
  18 import org.eclipse.core.resources.IProject;
  19 import org.eclipse.core.runtime.CoreException;
  20 import org.eclipse.core.runtime.NullProgressMonitor;
  21 import org.eclipse.jface.viewers.ISelection;
  22 import org.eclipse.jface.viewers.IStructuredSelection;
  23 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  24 import org.eclipse.linuxtools.tmf.core.TmfCommonConstants;
  25 import org.eclipse.linuxtools.tmf.ui.project.model.TmfOpenTraceHelper;
  26 import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectElement;
  27 import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectRegistry;
  28 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceFolder;
  29 import org.eclipse.swt.widgets.FileDialog;
  30 import org.eclipse.swt.widgets.Shell;
  31 import org.eclipse.ui.PlatformUI;
  32 import org.eclipse.ui.handlers.HandlerUtil;
  33
  34 /**
  35  * Open file handler, used to open files (not directories)
  36  *
  37  * @author Matthew Khouzam
  38  */
  39 public class OpenFileHandler extends AbstractHandler {
  40
  41     @Override
  42     public Object execute(ExecutionEvent event) {
  43
  44         ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
  45         // Menu Selection is not null for context-sensitive menu
  46         ISelection menuSelection  = HandlerUtil.getActiveMenuSelection(event);
  47
  48         // Get trace path
  49         final Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
  50         FileDialog fd = new FileDialog(shell);
  51         fd.setText(Messages.OpenFileHandler_SelectTraceFile);
  52         String filePath = fd.open();
  53         if (filePath == null) {
  54             return null;
  55         }
  56
  57         try {
  58
  59             TmfTraceFolder destinationFolder;
  60
  61             if ((menuSelection != null) && (currentSelection instanceof IStructuredSelection)) {
  62                 // If handler is called from the context sensitive menu of a tracing project import to
  63                 // the traces folder from this project
  64                 destinationFolder = TmfHandlerUtil.getTraceFolderFromSelection(currentSelection);
  65             } else {
  66                 // If handler is called from file menu import into default tracing project
  67                 IProject project = TmfProjectRegistry.createProject(
  68                         TmfCommonConstants.DEFAULT_TRACE_PROJECT_NAME, null, new NullProgressMonitor());
  69                 TmfProjectElement projectElement = TmfProjectRegistry.getProject(project, true);
  70                 destinationFolder = projectElement.getTracesFolder();
  71             }
  72
  73             TmfOpenTraceHelper.openTraceFromPath(destinationFolder, filePath, shell);
  74         } catch (CoreException e) {
  75             Activator.getDefault().logError(e.getMessage(), e);
  76         }
  77         return null;
  78     }
  79 }