blob: cd8ce8dd1dceceb1e5896b9833560d50016e2092 (
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
|
/*
* 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.intention.impl;
import com.intellij.codeInsight.intention.PsiElementBaseIntentionAction;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
/**
* @author Dmitry Batkovich
*/
public class SwapIfStatementsIntentionAction extends PsiElementBaseIntentionAction {
@Override
public void invoke(@NotNull final Project project, final Editor editor, @NotNull final PsiElement element) throws IncorrectOperationException {
final PsiIfStatement ifStatement = (PsiIfStatement)element.getParent();
final PsiIfStatement nestedIfStatement = (PsiIfStatement) ifStatement.getElseBranch();
assert nestedIfStatement != null;
final PsiExpression condition = ifStatement.getCondition();
final PsiExpression nestedCondition = nestedIfStatement.getCondition();
final PsiStatement thenBranch = ifStatement.getThenBranch();
final PsiStatement nestedThenBranch = nestedIfStatement.getThenBranch();
assert condition != null;
assert nestedCondition != null;
assert thenBranch != null;
assert nestedThenBranch != null;
final PsiElement conditionCopy = condition.copy();
condition.replace(nestedCondition);
nestedCondition.replace(conditionCopy);
final PsiElement thenBranchCopy = thenBranch.copy();
thenBranch.replace(nestedThenBranch);
nestedThenBranch.replace(thenBranchCopy);
}
@Override
public boolean isAvailable(@NotNull final Project project, final Editor editor, @NotNull final PsiElement element) {
if (!(element instanceof PsiKeyword) || !PsiKeyword.ELSE.equals(element.getText())) {
return false;
}
final PsiElement parent = element.getParent();
return parent instanceof PsiIfStatement && ((PsiIfStatement)parent).getElseBranch() instanceof PsiIfStatement;
}
@NotNull
@Override
public String getFamilyName() {
return "Swap If Statements";
}
@NotNull
@Override
public String getText() {
return getFamilyName();
}
}
|
