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
|
/*******************************************************************************
* Copyright (C) 2015, 2016 Thomas Wolf <thomas.wolf@paranor.ch>
*
* All rights reserved. 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
*******************************************************************************/
package org.eclipse.egit.ui.internal.resources;
import java.util.ArrayList;
import java.util.Collection;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.core.runtime.IPath;
import org.eclipse.egit.core.internal.util.ResourceUtil;
import org.eclipse.egit.ui.internal.selection.SelectionUtils;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jgit.annotations.NonNull;
import org.eclipse.jgit.annotations.Nullable;
/**
* A property tester testing the {@IResourceState} of a file under EGit control.
* Assumes a {@link Collection} of elements, typically a selection. Skips any
* resources not in a repository.
*/
public class ResourceStatePropertyTester extends PropertyTester {
private enum Property {
/**
* {@code true} if the collection contains at least one item with staged
* changes.
*/
HAS_STAGED_CHANGES,
/**
* {@code true} if the collection contains at least one item with
* unstaged changes.
*/
HAS_UNSTAGED_CHANGES,
/**
* {@code true} if the collection contains at least one item that is not
* ignored.
*/
HAS_NOT_IGNORED_RESOURCES,
/**
* {@code true} if the collection contains at least one item that is
* tracked (i.e., that is neither ignored nor untracked).
*/
HAS_TRACKED_RESOURCES
}
@Override
public boolean test(Object receiver, String property, Object[] args,
Object expectedValue) {
Property prop = property != null ? toProperty(property) : null;
if (prop == null || receiver == null) {
return false;
}
boolean result = internalTest(receiver, prop);
if (expectedValue != null) {
return expectedValue.equals(Boolean.valueOf(result));
} else {
return result;
}
}
private boolean internalTest(@NonNull Object receiver,
@NonNull Property property) {
Collection<?> collection = (Collection<?>) receiver;
if (collection.isEmpty()) {
return false;
}
IStructuredSelection selection = null;
Object first = collection.iterator().next();
if (collection.size() == 1 && first instanceof ITextSelection) {
selection = SelectionUtils
.getStructuredSelection((ITextSelection) first);
} else {
selection = new StructuredSelection(new ArrayList<>(collection));
}
for (IPath path : SelectionUtils.getSelectedLocations(selection)) {
if (path == null || ResourceUtil.getRepository(path) == null) {
continue;
}
IResourceState state = ResourceStateFactory.getInstance()
.get(path.toFile());
switch (property) {
case HAS_STAGED_CHANGES:
if (state.isStaged()) {
return true;
}
break;
case HAS_UNSTAGED_CHANGES:
if (state.hasUnstagedChanges()) {
return true;
}
break;
case HAS_NOT_IGNORED_RESOURCES:
if (!state.isIgnored()) {
return true;
}
break;
case HAS_TRACKED_RESOURCES:
if (state.isTracked()) {
return true;
}
break;
}
}
return false;
}
@Nullable
private Property toProperty(@NonNull String value) {
if ("hasStagedChanges".equals(value)) { //$NON-NLS-1$
return Property.HAS_STAGED_CHANGES;
} else if ("hasUnstagedChanges".equals(value)) { //$NON-NLS-1$
return Property.HAS_UNSTAGED_CHANGES;
} else if ("hasNotIgnoredResources".equals(value)) { //$NON-NLS-1$
return Property.HAS_NOT_IGNORED_RESOURCES;
} else if ("hasTrackedResources".equals(value)) { //$NON-NLS-1$
return Property.HAS_TRACKED_RESOURCES;
}
return null;
}
}
|
