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1 | /******************************************************************************* |
2 | * Copyright (c) 2000, 2011 IBM Corporation and others. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * Jesper Kamstrup Linnet (eclipse@kamstrup-linnet.dk) - initial API and implementation | |
10 | * (report 36180: Callers/Callees view) | |
11 | *******************************************************************************/ | |
12 | package org.eclipse.jdt.internal.ui.callhierarchy; | |
13 | ||
14 | import java.util.Iterator; | |
15 | ||
16 | import org.eclipse.jface.util.OpenStrategy; | |
17 | import org.eclipse.jface.viewers.ISelection; | |
18 | import org.eclipse.jface.viewers.ISelectionChangedListener; | |
19 | import org.eclipse.jface.viewers.IStructuredSelection; | |
20 | import org.eclipse.jface.viewers.SelectionChangedEvent; | |
21 | ||
22 | import org.eclipse.ui.IWorkbenchSite; | |
23 | ||
24 | import org.eclipse.jdt.internal.corext.callhierarchy.CallLocation; | |
25 | import org.eclipse.jdt.internal.corext.callhierarchy.MethodWrapper; | |
26 | ||
27 | import org.eclipse.jdt.ui.actions.SelectionDispatchAction; | |
28 | ||
29 | class OpenLocationAction extends SelectionDispatchAction { | |
30 | private CallHierarchyViewPart fPart; | |
31 | ||
32 | public OpenLocationAction(CallHierarchyViewPart part, IWorkbenchSite site) { | |
33 | super(site); | |
34 | fPart= part; | |
35 | LocationViewer viewer= fPart.getLocationViewer(); | |
36 | setText(CallHierarchyMessages.OpenLocationAction_label); | |
37 | setToolTipText(CallHierarchyMessages.OpenLocationAction_tooltip); | |
38 | setEnabled(!fPart.getSelection().isEmpty()); | |
39 | ||
40 | viewer.addSelectionChangedListener(new ISelectionChangedListener() { | |
41 | public void selectionChanged(SelectionChangedEvent event) { | |
42 | setEnabled(!event.getSelection().isEmpty()); | |
43 | } | |
44 | }); | |
45 | } | |
46 | ||
47 | private boolean checkEnabled(IStructuredSelection selection) { | |
48 | if (selection.isEmpty()) { | |
49 | return false; | |
50 | } | |
51 | ||
52 | for (Iterator<?> iter = selection.iterator(); iter.hasNext();) { | |
53 | Object element = iter.next(); | |
54 | ||
55 | if (element instanceof MethodWrapper) { | |
56 | continue; | |
57 | } else if (element instanceof CallLocation) { | |
58 | continue; | |
59 | } | |
60 | ||
61 | return false; | |
62 | } | |
63 | ||
64 | return true; | |
65 | } | |
66 | ||
67 | /* (non-Javadoc) | |
68 | * @see org.eclipse.jdt.ui.actions.SelectionDispatchAction#getSelection() | |
69 | */ | |
70 | @Override | |
71 | public ISelection getSelection() { | |
72 | return fPart.getSelection(); | |
73 | } | |
74 | ||
75 | /* (non-Javadoc) | |
76 | * Method declared on SelectionDispatchAction. | |
77 | */ | |
78 | @Override | |
79 | public void run(IStructuredSelection selection) { | |
80 | if (!checkEnabled(selection)) | |
81 | return; | |
82 | ||
83 | for (Iterator<?> iter= selection.iterator(); iter.hasNext();) { | |
84 | boolean noError= CallHierarchyUI.openInEditor(iter.next(), getShell(), OpenStrategy.activateOnOpen()); | |
85 | if (! noError) | |
86 | return; | |
87 | } | |
88 | } | |
89 | } |