blob: f52b37d1f021f7e159a78d46ae651af30ff0a553 (
plain)
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
|
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.vcs.log.data;
import com.intellij.vcs.log.graph.PrintElement;
import com.intellij.vcs.log.graph.RowInfo;
import com.intellij.vcs.log.graph.RowType;
import com.intellij.vcs.log.graph.VisibleGraph;
import com.intellij.vcs.log.graph.actions.ActionController;
import com.intellij.vcs.log.graph.actions.GraphAnswer;
import com.intellij.vcs.log.graph.actions.GraphMouseAction;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.awt.*;
import java.util.Collection;
import java.util.Collections;
class EmptyVisibleGraph implements VisibleGraph<Integer> {
private static final VisibleGraph<Integer> INSTANCE = new EmptyVisibleGraph();
@NotNull
public static VisibleGraph<Integer> getInstance() {
return INSTANCE;
}
@Override
public int getVisibleCommitCount() {
return 0;
}
@NotNull
@Override
public RowInfo<Integer> getRowInfo(int visibleRow) {
return EmptyRowInfo.INSTANCE;
}
@Override
public int getVisibleRowIndex(@NotNull Integer integer) {
return -1;
}
@NotNull
@Override
public ActionController<Integer> getActionController() {
return DumbActionController.INSTANCE;
}
private static class DumbActionController implements ActionController<Integer> {
private static ActionController<Integer> INSTANCE = new DumbActionController();
@NotNull
@Override
public GraphAnswer<Integer> performMouseAction(@NotNull GraphMouseAction graphMouseAction) {
return EmptyGraphAnswer.INSTANCE;
}
@Override
public boolean areLongEdgesHidden() {
return false;
}
@Override
public void setLongEdgesHidden(boolean longEdgesHidden) {
}
@Override
public void setLinearBranchesExpansion(boolean collapse) {
}
private static class EmptyGraphAnswer implements GraphAnswer<Integer> {
private static EmptyGraphAnswer INSTANCE = new EmptyGraphAnswer();
@Nullable
@Override
public Cursor getCursorToSet() {
return null;
}
@Nullable
@Override
public Integer getCommitToJump() {
return null;
}
}
}
private static class EmptyRowInfo implements RowInfo<Integer> {
private static final RowInfo<Integer> INSTANCE = new EmptyRowInfo();
@NotNull
@Override
public Integer getCommit() {
return 0;
}
@NotNull
@Override
public Integer getOneOfHeads() {
return 0;
}
@NotNull
@Override
public Collection<PrintElement> getPrintElements() {
return Collections.emptyList();
}
@NotNull
@Override
public RowType getRowType() {
return RowType.NORMAL;
}
}
}
|