2010-10-26 Francois Chouinard <fchouinard@gmail.com> Contribution for Bug309042
[deliverable/tracecompass.git] / org.eclipse.linuxtools.lttng.ui / src / org / eclipse / linuxtools / lttng / ui / views / project / handlers / OpenProjectHandler.java
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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
13package org.eclipse.linuxtools.lttng.ui.views.project.handlers;
14
15import org.eclipse.core.commands.ExecutionEvent;
16import org.eclipse.core.commands.ExecutionException;
17import org.eclipse.core.commands.IHandler;
18import org.eclipse.core.commands.IHandlerListener;
19import org.eclipse.jface.viewers.ISelection;
20import org.eclipse.jface.viewers.StructuredSelection;
21import org.eclipse.linuxtools.lttng.ui.views.project.ProjectView;
22import org.eclipse.linuxtools.lttng.ui.views.project.model.LTTngProjectNode;
23import org.eclipse.ui.IWorkbenchPage;
24import org.eclipse.ui.IWorkbenchWindow;
25import org.eclipse.ui.PlatformUI;
26
27/**
28 * <b><u>OpenProjectHandler</u></b>
29 * <p>
30 * TODO: Implement me. Please.
31 */
32public class OpenProjectHandler implements IHandler {
33
34 private LTTngProjectNode fProject = null;
35
36 // ------------------------------------------------------------------------
37 // Validation
38 // ------------------------------------------------------------------------
39
d4011df2 40 @Override
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41 public boolean isEnabled() {
42
43 // Check if we are closing down
44 IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
45 if (window == null)
46 return false;
47
48 // Check if we are in the Project View
49 IWorkbenchPage page = window.getActivePage();
50 if (!(page.getActivePart() instanceof ProjectView))
51 return false;
52
53 // Check if a project is selected
54 ISelection selection = page.getSelection(ProjectView.ID);
55 if (selection instanceof StructuredSelection) {
56 Object element = ((StructuredSelection) selection).getFirstElement();
57 fProject = (element instanceof LTTngProjectNode) ? (LTTngProjectNode) element : null;
58 }
59 return (fProject != null && !fProject.isOpen());
60 }
61
62 // Handled if we are in the ProjectView
d4011df2 63 @Override
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64 public boolean isHandled() {
65 return true;
66 }
67
68 // ------------------------------------------------------------------------
69 // Execution
70 // ------------------------------------------------------------------------
71
d4011df2 72 @Override
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73 public Object execute(ExecutionEvent event) throws ExecutionException {
74
75 if (fProject != null) {
76 fProject.openProject();
77 fProject.refresh();
78 }
79 return null;
80 }
81
d4011df2 82 @Override
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83 public void dispose() {
84 // TODO Auto-generated method stub
85 }
86
87 // ------------------------------------------------------------------------
88 // IHandlerListener
89 // ------------------------------------------------------------------------
90
d4011df2 91 @Override
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92 public void addHandlerListener(IHandlerListener handlerListener) {
93 // TODO Auto-generated method stub
94 }
95
d4011df2 96 @Override
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97 public void removeHandlerListener(IHandlerListener handlerListener) {
98 // TODO Auto-generated method stub
99 }
100
101}
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