blob: e054c1390c590a18c52b621628e2b5c7b7d6d92c (
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
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
|
/*****************************************************************************
* Copyright (c) 2009 Atos Origin.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* <a href="mailto:thomas.szadel@atosorigin.com">Thomas Szadel</a> - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.navigator.internal.ltk;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.CompositeChange;
import org.eclipse.ltk.core.refactoring.NullChange;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
import org.eclipse.ltk.core.refactoring.participants.DeleteParticipant;
import org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange;
/**
* The participant that is aware of file deletion.
*
* @author <a href="mailto:thomas.szadel@atosorigin.com">Thomas Szadel</a>
*
*/
public class DeleteModelParticipant extends DeleteParticipant {
private Set<IResource> filesToRemove;
/**
* Overrides checkConditions.
*
* {@inheritDoc}
*
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#checkConditions(org.eclipse.core.runtime.IProgressMonitor,
* org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext)
*/
@Override
public RefactoringStatus checkConditions(IProgressMonitor pm, CheckConditionsContext context) throws OperationCanceledException {
return new RefactoringStatus();
}
/**
* Overrides createChange.
*
* {@inheritDoc}
*
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#createChange(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public Change createChange(IProgressMonitor pm) throws CoreException, OperationCanceledException {
List<Change> changes = new ArrayList<Change>(filesToRemove.size());
for(IResource file : filesToRemove) {
if(file.exists()) {
changes.add(new InternalDeleteResourceChange(file.getFullPath(), true));
}
}
if(changes.isEmpty()) {
return new NullChange();
} else {
return new CompositeChange(getName(), changes.toArray(new Change[changes.size()]));
}
}
/**
* Overrides getName.
*
* {@inheritDoc}
*
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#getName()
*/
@Override
public String getName() {
return "Papyrus Model Deletion";
}
/**
* Overrides initialize.
*
* {@inheritDoc}
*
* @see org.eclipse.ltk.core.refactoring.participants.RefactoringParticipant#initialize(java.lang.Object)
*/
@Override
protected boolean initialize(Object element) {
if(!(element instanceof IFile)) {
return false;
}
IFile file = (IFile)element;
filesToRemove = ModelParticipantHelpers.getRelatedFiles(file);
return filesToRemove.size() > 0;
}
private class InternalDeleteResourceChange extends DeleteResourceChange {
/**
* Constructor.
*
* @param resourcePath
* The file to delete.
* @param forceOutOfSync
* Delete even if out of sync
*/
public InternalDeleteResourceChange(IPath resourcePath, boolean forceOutOfSync) {
super(resourcePath, forceOutOfSync);
}
/**
* @see org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange#perform(org.eclipse.core.runtime.IProgressMonitor)
*
* @param pm
* @return
* @throws CoreException
*/
@Override
public Change perform(IProgressMonitor pm) throws CoreException {
IResource resource = getModifiedResource();
// If the user selects the 3 resources, the delete fails.
if(resource == null || !resource.exists()) {
return new NullChange();
}
return super.perform(pm);
}
}
}
|
