org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/project/handlers/DeleteProjectHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010 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  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.project.handlers;
  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.core.resources.IProject;
  19 import org.eclipse.core.runtime.CoreException;
  20 import org.eclipse.jface.viewers.ISelection;
  21 import org.eclipse.jface.viewers.StructuredSelection;
  22 import org.eclipse.linuxtools.tmf.ui.views.project.ProjectView;
  23 import org.eclipse.linuxtools.tmf.ui.views.project.model.ITmfProjectTreeNode;
  24 import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfProjectNode;
  25 import org.eclipse.ui.IWorkbenchPage;
  26 import org.eclipse.ui.IWorkbenchWindow;
  27 import org.eclipse.ui.PlatformUI;
  28
  29 /**
  30  * <b><u>DeleteProjectHandler</u></b>
  31  * <p>
  32  * TODO: Implement me. Please.
  33  */
  34 public class DeleteProjectHandler extends AbstractHandler {
  35
  36         private TmfProjectNode fProject = null;
  37
  38         // ------------------------------------------------------------------------
  39         // Validation
  40         // ------------------------------------------------------------------------
  41
  42         public boolean isEnabled() {
  43
  44                 // Check if we are closing down
  45                 IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  46                 if (window == null)
  47                         return false;
  48
  49                 // Check if we are in the Project View
  50                 IWorkbenchPage page = window.getActivePage();
  51                 if (!(page.getActivePart() instanceof ProjectView))
  52                         return false;
  53
  54                 // Check if a project is selected
  55                 ISelection selection = page.getSelection(ProjectView.ID);
  56                 if (selection instanceof StructuredSelection) {
  57                         Object element = ((StructuredSelection) selection).getFirstElement();
  58                         fProject = (element instanceof TmfProjectNode) ? (TmfProjectNode) element : null;
  59                 }
  60                 return (fProject != null);
  61         }
  62
  63         // ------------------------------------------------------------------------
  64         // Execution
  65         // ------------------------------------------------------------------------
  66
  67         public Object execute(ExecutionEvent event) throws ExecutionException {
  68
  69                 IProject project = fProject.getProject();
  70                 ITmfProjectTreeNode parent = fProject.getParent();
  71                 try {
  72                         parent.removeChild(fProject);
  73                         parent.refresh();
  74                         project.delete(true, true, null);
  75                 } catch (CoreException e) {
  76                         e.printStackTrace();
  77                 }
  78
  79                 return null;
  80         }
  81
  82 }