scope: display "Open Files" label in scope selector combobox instead of bare hashCode...
[idea/community.git] / platform / lang-impl / src / com / intellij / ide / util / scopeChooser / ScopeChooserUtils.java
1 /*
2  * Copyright 2000-2015 JetBrains s.r.o.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.intellij.ide.util.scopeChooser;
17
18 import com.intellij.ide.IdeBundle;
19 import com.intellij.openapi.fileEditor.FileEditorManager;
20 import com.intellij.openapi.project.Project;
21 import com.intellij.openapi.vfs.VirtualFile;
22 import com.intellij.packageDependencies.ChangeListsScopesProvider;
23 import com.intellij.psi.search.GlobalSearchScope;
24 import com.intellij.psi.search.GlobalSearchScopes;
25 import com.intellij.psi.search.GlobalSearchScopesCore;
26 import com.intellij.psi.search.ProjectScope;
27 import com.intellij.psi.search.scope.ProjectFilesScope;
28 import com.intellij.psi.search.scope.ProjectProductionScope;
29 import com.intellij.psi.search.scope.packageSet.NamedScope;
30 import com.intellij.psi.search.scope.packageSet.NamedScopesHolder;
31 import com.intellij.util.ArrayUtil;
32 import com.intellij.util.containers.ContainerUtil;
33 import org.jetbrains.annotations.NotNull;
34 import org.jetbrains.annotations.Nullable;
35
36 import java.util.List;
37
38 public class ScopeChooserUtils {
39
40   private static final String CURRENT_FILE_SCOPE_NAME = IdeBundle.message("scope.current.file");
41
42   private ScopeChooserUtils() {
43   }
44
45   @NotNull
46   public static GlobalSearchScope findScopeByName(@NotNull Project project, @Nullable String scopeName) {
47     NamedScope namedScope = scopeName == null ? null : ChangeListsScopesProvider.getInstance(project).getCustomScope(scopeName);
48     if (namedScope == null) {
49       namedScope = NamedScopesHolder.getScope(project, scopeName);
50     }
51     if (namedScope == null && GlobalSearchScopes.OPEN_FILES_SCOPE_NAME.equals(scopeName)) {
52       return intersectWithContentScope(project, GlobalSearchScopes.openFilesScope(project));
53     }
54     if (namedScope == null && CURRENT_FILE_SCOPE_NAME.equals(scopeName)) {
55       VirtualFile[] array = FileEditorManager.getInstance(project).getSelectedFiles();
56       List<VirtualFile> files = ContainerUtil.createMaybeSingletonList(ArrayUtil.getFirstElement(array));
57       GlobalSearchScope scope = GlobalSearchScope.filesScope(project, files, CURRENT_FILE_SCOPE_NAME);
58       return intersectWithContentScope(project, scope);
59     }
60     if (namedScope == null) {
61       namedScope = new ProjectFilesScope();
62     }
63     GlobalSearchScope scope = GlobalSearchScopesCore.filterScope(project, namedScope);
64     if (namedScope instanceof ProjectFilesScope || namedScope instanceof ProjectProductionScope) {
65       return scope;
66     }
67     return intersectWithContentScope(project, scope);
68   }
69
70   @NotNull
71   private static GlobalSearchScope intersectWithContentScope(@NotNull Project project, @NotNull GlobalSearchScope scope) {
72     return scope.intersectWith(ProjectScope.getContentScope(project));
73   }
74 }