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
|
/*
* 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.codeInsight.folding.impl;
import com.intellij.lang.ASTNode;
import com.intellij.lang.folding.*;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.impl.AbstractEditorTest;
import com.intellij.openapi.fileTypes.PlainTextLanguage;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
import com.intellij.testFramework.TestFileType;
import org.jetbrains.annotations.NotNull;
import java.util.Collection;
import java.util.List;
import static com.intellij.testFramework.PlatformTestCase.initPlatformLangPrefix;
public class CompositeFoldingBuilderTest extends AbstractEditorTest {
static {
initPlatformLangPrefix();
}
@Override
protected void setUp() throws Exception {
super.setUp();
init("Some plain text to fold", TestFileType.TEXT);
}
public void testAllowOnlyOneDescriptorPerTextRange() {
final FoldingBuilder first = createDummyFoldingBuilder("plain", "mountain");
final FoldingBuilder second = createDummyFoldingBuilder("plain", "tree");
LanguageFolding.INSTANCE.addExplicitExtension(PlainTextLanguage.INSTANCE, first);
LanguageFolding.INSTANCE.addExplicitExtension(PlainTextLanguage.INSTANCE, second);
try {
FoldingUpdate.FoldingMap foldingMap = FoldingUpdate.getFoldingsFor(getProject(), getFile(), getEditor().getDocument(), false);
Collection<FoldingDescriptor> descriptors = foldingMap.get(getFile());
assert descriptors.size() == 1: "Only one descriptor allowed for the same text range. Descriptors: " + descriptors;
}
finally {
LanguageFolding.INSTANCE.removeExplicitExtension(PlainTextLanguage.INSTANCE, first);
LanguageFolding.INSTANCE.removeExplicitExtension(PlainTextLanguage.INSTANCE, second);
}
}
@NotNull
private FoldingBuilder createDummyFoldingBuilder(final String textToFold, final String placeholderText) {
return new CustomFoldingBuilder() {
@Override
protected void buildLanguageFoldRegions(
@NotNull List<FoldingDescriptor> descriptors,
@NotNull PsiElement root,
@NotNull Document document,
boolean quick)
{
final int index = root.getText().indexOf(textToFold);
descriptors.add(new NamedFoldingDescriptor(root, index, index + textToFold.length(), null, placeholderText));
}
@Override
protected String getLanguagePlaceholderText(@NotNull ASTNode node, @NotNull TextRange range) {
return "";
}
@Override
protected boolean isRegionCollapsedByDefault(@NotNull ASTNode node) {
return true;
}
};
}
}
|
