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
|
/*******************************************************************************
* Copyright (c) 2006, 2011 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.compare.internal.patch;
import org.eclipse.compare.IContentChangeListener;
import org.eclipse.compare.IContentChangeNotifier;
import org.eclipse.compare.ITypedElement;
import org.eclipse.compare.internal.core.patch.FileDiffResult;
import org.eclipse.compare.internal.core.patch.FilePatch2;
import org.eclipse.compare.patch.PatchConfiguration;
import org.eclipse.compare.structuremergeviewer.DiffNode;
import org.eclipse.compare.structuremergeviewer.Differencer;
import org.eclipse.compare.structuremergeviewer.IDiffContainer;
import org.eclipse.compare.structuremergeviewer.IDiffElement;
import org.eclipse.core.resources.IResource;
public class PatchFileDiffNode extends PatchDiffNode implements IContentChangeListener {
private final FileDiffResult result;
public static PatchFileDiffNode createDiffNode(DiffNode parent, FileDiffResult result) {
return new PatchFileDiffNode(result, parent, getKind(result), getAncestorElement(result), getLeftElement(result), getRightElement(result));
}
public static int getKind(FileDiffResult result) {
if (!result.hasMatches())
return Differencer.NO_CHANGE;
int fileDiffKind = result.getDiff().getDiffType(result.getConfiguration().isReversed());
int kind = convertFileDiffTypeToDifferencerType(fileDiffKind);
return kind | Differencer.RIGHT;
}
private static int convertFileDiffTypeToDifferencerType(int fileDiffKind) {
int kind;
switch (fileDiffKind) {
case FilePatch2.ADDITION:
kind = Differencer.ADDITION;
break;
case FilePatch2.DELETION:
kind = Differencer.DELETION;
break;
case FilePatch2.CHANGE:
kind = Differencer.CHANGE;
break;
default:
kind = Differencer.CHANGE;
break;
}
return kind;
}
public static ITypedElement getRightElement(FileDiffResult result) {
return new PatchFileTypedElement(result, true);
}
private static ITypedElement getLeftElement(FileDiffResult result) {
return new PatchFileTypedElement(result, false);
}
public static ITypedElement getAncestorElement(FileDiffResult result) {
return new PatchFileTypedElement(result, false);
}
public PatchFileDiffNode(FileDiffResult result, IDiffContainer parent, int kind,
ITypedElement ancestor, ITypedElement left, ITypedElement right) {
super(result.getDiff(), parent, kind, ancestor, left, right);
this.result = result;
}
public FileDiffResult getDiffResult() {
return result;
}
@Override
protected PatchConfiguration getConfiguration() {
return result.getConfiguration();
}
/* (non-Javadoc)
* @see org.eclipse.compare.structuremergeviewer.DiffContainer#add(org.eclipse.compare.structuremergeviewer.IDiffElement)
*/
@Override
public void add(IDiffElement diff) {
super.add(diff);
// Listen for content changes in unmatched children so we can fire an input change
if (diff instanceof HunkDiffNode) {
HunkDiffNode node = (HunkDiffNode) diff;
Object left = node.getLeft();
if (left instanceof IContentChangeNotifier) {
IContentChangeNotifier notifier = (IContentChangeNotifier) left;
notifier.addContentChangeListener(this);
}
}
}
/* (non-Javadoc)
* @see org.eclipse.compare.IContentChangeListener#contentChanged(org.eclipse.compare.IContentChangeNotifier)
*/
@Override
public void contentChanged(IContentChangeNotifier source) {
fireChange();
}
@Override
public int getKind() {
int kind = super.getKind();
if (kind == Differencer.NO_CHANGE && getPatcher().hasCachedContents(getDiffResult().getDiff())) {
return Differencer.CHANGE | Differencer.RIGHT;
}
return kind;
}
public boolean fileExists() {
IResource file = getResource();
return file != null && file.isAccessible();
}
@Override
public IResource getResource() {
return ((WorkspaceFileDiffResult)getDiffResult()).getTargetFile();
}
}
|
