blob: 849bd741a73333095909150bc25901cdbb932014 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*******************************************************************************
* Copyright (c) 2004, 2011 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Patrick Chuong (Texas Instruments) - Improve usability of the breakpoint view (Bug 238956)
*******************************************************************************/
package org.eclipse.debug.internal.ui.actions.breakpoints;
import org.eclipse.debug.internal.ui.viewers.model.IInternalTreeModelViewer;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelChangedListener;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxy;
import org.eclipse.debug.internal.ui.viewers.model.provisional.ITreeModelViewer;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdateListener;
import org.eclipse.debug.internal.ui.views.breakpoints.BreakpointsView;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.swt.widgets.Event;
import org.eclipse.ui.IActionDelegate2;
import org.eclipse.ui.IViewActionDelegate;
import org.eclipse.ui.IViewPart;
/**
* Action which fully expands the tree in the breakpoints view.
*/
public class BreakpointsExpandAllAction implements IViewActionDelegate, IActionDelegate2, IViewerUpdateListener, IModelChangedListener {
private IAction fAction;
private BreakpointsView fView;
@Override
public void init(IAction action) {
fAction = action;
}
@Override
public void init(IViewPart view) {
fView = (BreakpointsView) view;
IInternalTreeModelViewer viewer = (IInternalTreeModelViewer)fView.getViewer();
if (viewer != null) {
viewer.addViewerUpdateListener(this);
viewer.addModelChangedListener(this);
}
}
@Override
public void runWithEvent(IAction action, Event event) {
run(action);
}
@Override
public void run(IAction action) {
fView.expandAllElementsInViewer();
}
@Override
public void selectionChanged(IAction action, ISelection selection) {
}
@Override
public void dispose() {
ITreeModelViewer viewer = (ITreeModelViewer)fView.getViewer();
if (viewer != null) {
viewer.removeViewerUpdateListener(this);
viewer.removeModelChangedListener(this);
}
}
@Override
public void viewerUpdatesBegin() {
}
@Override
public void viewerUpdatesComplete() {
}
@Override
public void updateStarted(IViewerUpdate update) {
}
@Override
public void updateComplete(IViewerUpdate update) {
if (!update.isCanceled()) {
if (TreePath.EMPTY.equals(update.getElementPath())) {
update();
}
}
}
private void update() {
IInternalTreeModelViewer viewer = (IInternalTreeModelViewer)fView.getViewer();
if (viewer != null && fAction != null) {
fAction.setEnabled(viewer.getInput() != null && viewer.getChildCount(TreePath.EMPTY) > 0);
}
}
@Override
public void modelChanged(IModelDelta delta, IModelProxy proxy) {
update();
}
}
|
