net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/actions/AddTaskAction.java

   1 /*******************************************************************************
   2  * Copyright (c) 2002 International Business Machines Corp. and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v0.5
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v05.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  ******************************************************************************/
  11 package net.sourceforge.phpdt.internal.ui.actions;
  12
  13 import net.sourceforge.phpdt.ui.actions.SelectionDispatchAction;
  14
  15 import org.eclipse.core.resources.IResource;
  16 import org.eclipse.core.runtime.IAdaptable;
  17 import org.eclipse.jface.viewers.IStructuredSelection;
  18 import org.eclipse.ui.IWorkbenchSite;
  19 import org.eclipse.ui.views.tasklist.TaskPropertiesDialog;
  20
  21 public class AddTaskAction extends SelectionDispatchAction {
  22
  23         public AddTaskAction(IWorkbenchSite site) {
  24                 super(site);
  25                 setEnabled(false);
  26                 // WorkbenchHelp.setHelp(this, IJavaHelpContextIds.ADD_TASK_ACTION);
  27         }
  28
  29         protected void selectionChanged(IStructuredSelection selection) {
  30                 setEnabled(getElement(selection) != null);
  31         }
  32
  33         protected void run(IStructuredSelection selection) {
  34                 IResource resource = getElement(selection);
  35                 if (resource == null)
  36                         return;
  37
  38                 TaskPropertiesDialog dialog = new TaskPropertiesDialog(getShell());
  39                 dialog.setResource(resource);
  40                 dialog.open();
  41         }
  42
  43         private IResource getElement(IStructuredSelection selection) {
  44                 if (selection.size() != 1)
  45                         return null;
  46
  47                 Object element = selection.getFirstElement();
  48                 if (!(element instanceof IAdaptable))
  49                         return null;
  50                 return (IResource) ((IAdaptable) element).getAdapter(IResource.class);
  51         }
  52 }