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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*******************************************************************************
* Copyright (c) 2006, 2017 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
*******************************************************************************/
package org.eclipse.team.ui.history;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.compare.CompareConfiguration;
import org.eclipse.compare.CompareViewerPane;
import org.eclipse.compare.structuremergeviewer.ICompareInput;
import org.eclipse.core.runtime.Adapters;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.team.internal.ui.TeamUIMessages;
import org.eclipse.team.internal.ui.Utils;
import org.eclipse.team.internal.ui.history.DialogHistoryPageSite;
import org.eclipse.team.ui.PageCompareEditorInput;
import org.eclipse.ui.part.IPage;
import org.eclipse.ui.part.Page;
/**
* Displays a history page combined with the compare/merge infrastructure. This only works properly if the
* history page adapts to an {@link IHistoryCompareAdapter}.
*
* @since 3.3
*/
public class HistoryPageCompareEditorInput extends PageCompareEditorInput {
private IHistoryPage historyPage;
private DialogHistoryPageSite site;
private final Object object;
private final IHistoryPageSource pageSource;
private final IPropertyChangeListener changeListener = event -> handlePropertyChange(event);
private boolean isReplace;
/**
* Create a history page compare editor input for the given page and object.
* @param configuration the compare configuration
* @param pageSource the page source
* @param object the object whose history is to be displayed
*/
public HistoryPageCompareEditorInput(CompareConfiguration configuration, IHistoryPageSource pageSource, Object object) {
super(configuration);
this.pageSource = pageSource;
this.object = object;
}
@Override
protected Object prepareInput(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
return object;
}
@Override
protected void handleDispose() {
super.handleDispose();
if (historyPage != null) {
historyPage.removePropertyChangeListener(changeListener);
historyPage.dispose();
}
}
@Override
protected IPage createPage(CompareViewerPane parent, IToolBarManager toolBarManager) {
site = new DialogHistoryPageSite(parent.getShell());
historyPage = (IHistoryPage)pageSource.createPage(object);
historyPage.setSite(site);
site.setToolBarManager(toolBarManager);
((Page) historyPage).createControl(parent);
historyPage.setInput(object);
String description = historyPage.getDescription();
if (description == null)
description = ""; //$NON-NLS-1$
setPageDescription(description);
if (getTitle() == null)
setTitle(historyPage.getName());
historyPage.addPropertyChangeListener(changeListener);
return (IPage)historyPage;
}
@Override
protected ICompareInput asCompareInput(ISelection selection) {
ICompareInput compareInput = super.asCompareInput(selection);
if (compareInput != null)
return compareInput;
IHistoryCompareAdapter compareAdapter = Adapters.adapt(historyPage, IHistoryCompareAdapter.class);
if (compareAdapter != null){
if (selection instanceof IStructuredSelection) {
IStructuredSelection ss= (IStructuredSelection) selection;
if (ss.size() == 1) {
Object o = ss.getFirstElement();
return compareAdapter.getCompareInput(o);
}
}
}
return null;
}
@Override
protected ISelectionProvider getSelectionProvider() {
return site.getSelectionProvider();
}
@Override
protected void prepareInput(ICompareInput input,
CompareConfiguration configuration, IProgressMonitor monitor)
throws InvocationTargetException {
IHistoryCompareAdapter compareAdapter = Adapters.adapt(historyPage, IHistoryCompareAdapter.class);
if (compareAdapter != null){
compareAdapter.prepareInput(input, configuration, monitor);
}
}
/**
* Return the history page for this input or <code>null</code> if the
* page hasn't been created yet.
* @return the history page for this input
*/
public final IHistoryPage getHistoryPage() {
return historyPage;
}
/**
* Handle a property change event from the history page.
* @param event the change event
*/
protected void handlePropertyChange(PropertyChangeEvent event) {
if (event.getSource() == historyPage) {
if (event.getProperty().equals(IHistoryPage.P_NAME)) {
Display.getDefault().asyncExec(() -> setTitle(historyPage.getName()));
} else if (event.getProperty().equals(IHistoryPage.P_DESCRIPTION)) {
Display.getDefault().asyncExec(() -> setPageDescription(historyPage.getDescription()));
}
}
}
@Override
public boolean isEditionSelectionDialog() {
return isReplaceDialog();
}
/**
* Return whether this compare editor input is being used in a replace
* dialog.
* @return whether this compare editor input is being used in a replace
* dialog
*/
protected boolean isReplaceDialog() {
return isReplace;
}
/**
* Set whether this compare editor input is being used in a replace
* dialog.
* @param isReplace whether this compare editor input is being used in a replace
* dialog
*/
public void setReplace(boolean isReplace) {
this.isReplace = isReplace;
}
@Override
public String getOKButtonLabel() {
if (isReplaceDialog())
return TeamUIMessages.HistoryPageCompareEditorInput_0;
return super.getOKButtonLabel();
}
@Override
public boolean okPressed() {
if (!isReplaceDialog())
return super.okPressed();
try {
Object o = getSelectedEdition();
performReplace(((ICompareInput)o).getRight());
} catch (CoreException e) {
Utils.handle(e);
return false;
}
return true;
}
/**
* A replace has been requested. This method will be
* invoked if {@link #isReplaceDialog()} is <code>true</code>
* and the user has clicked the "Replace" button.
* By default, this method does nothing.
* Subclasses may override.
* @param selectedObject the selected object
* @throws CoreException if an error occurs performing the replace
*/
protected void performReplace(Object selectedObject) throws CoreException {
// By default, do nothing
}
}
|
