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
|
/*******************************************************************************
* Copyright (c) 2008, 2012 Institute for Software, HSR Hochschule fuer Technik
* Rapperswil, University of applied sciences 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:
* Institute for Software - initial API and implementation
* Marc-Andre Laperle
*******************************************************************************/
package org.eclipse.cdt.internal.ui.refactoring.implementmethod;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
/**
* @author Mirko Stocker
*/
public class ImplementMethodWizard extends RefactoringWizard {
private final ImplementMethodRefactoring refactoring;
private Map<MethodToImplementConfig, ParameterNamesInputPage> pagesMap = new HashMap<MethodToImplementConfig, ParameterNamesInputPage>();
public ImplementMethodWizard(ImplementMethodRefactoring refactoring) {
super(refactoring, DIALOG_BASED_USER_INTERFACE | PREVIEW_EXPAND_FIRST_NODE);
setDefaultPageTitle(Messages.ImplementMethodInputPage_PageTitle);
this.refactoring = refactoring;
}
@Override
protected void addUserInputPages() {
addPage(new ImplementMethodInputPage(refactoring.getRefactoringData(), this));
ImplementMethodData data = refactoring.getRefactoringData();
for (MethodToImplementConfig config : data.getMethodDeclarations()) {
if (config.getParaHandler().needsAdditionalArgumentNames()) {
ParameterNamesInputPage page = new ParameterNamesInputPage(config, this);
pagesMap.put(config, page);
addPage(page);
}
}
}
public ParameterNamesInputPage getPageForConfig(MethodToImplementConfig config) {
return pagesMap.get(config);
}
/**
* When canceling the wizard, CRefactoringContext gets disposed and releases the lock on
* the index but the preview jobs might still be running and access the index or an index-based
* AST so we need to make sure they are done before disposing the cache
* <p>
* When proceeding to the last page and finishing the wizard, the refactoring will run
* and possibly use concurrently the same ASTs that the jobs use, so we need to make
* sure the jobs are joined.
*/
protected void cancelAndJoinPreviewJobs() {
boolean isOnePreviewJobRunning = false;
for (ParameterNamesInputPage parameterNamesInputPage : pagesMap.values()) {
isOnePreviewJobRunning |= parameterNamesInputPage.cancelPreviewJob();
}
// There are good chances that one job is still running, show a progress bar to the user,
// join everything.
if (isOnePreviewJobRunning) {
try {
getContainer().run(false, false, new IRunnableWithProgress() {
@Override
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
monitor.beginTask(Messages.ImplementMethodRefactoringWizard_CancelingPreviewGeneration,
pagesMap.size() + 1);
monitor.worked(1);
for (ParameterNamesInputPage parameterNamesInputPage : pagesMap.values()) {
parameterNamesInputPage.joinPreviewJob();
monitor.worked(1);
}
monitor.done();
}
});
} catch (InvocationTargetException e) {
CUIPlugin.log(e);
} catch (InterruptedException e) {
// ignore since not cancelable
}
} else {
// We don't take any chances, we still join everything. But there are good chances that
// the jobs are stopped so we don't show a progress bar.
for (ParameterNamesInputPage parameterNamesInputPage : pagesMap.values()) {
parameterNamesInputPage.joinPreviewJob();
}
}
}
@Override
public boolean performCancel() {
cancelAndJoinPreviewJobs();
return super.performCancel();
}
@Override
public boolean performFinish() {
cancelAndJoinPreviewJobs();
return super.performFinish();
}
}
|
