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/*
* 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.uiDesigner.binding;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.fileTypes.StdFileTypes;
import com.intellij.openapi.project.IndexNotReadyException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Computable;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.search.ProjectScope;
import com.intellij.uiDesigner.compiler.Utils;
import com.intellij.util.indexing.*;
import com.intellij.util.io.EnumeratorStringDescriptor;
import com.intellij.util.io.KeyDescriptor;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import java.util.*;
/**
* @author yole
*/
public class FormClassIndex extends ScalarIndexExtension<String> {
@NonNls public static final ID<String, Void> NAME = ID.create("FormClassIndex");
private final EnumeratorStringDescriptor myKeyDescriptor = new EnumeratorStringDescriptor();
private final MyDataIndexer myDataIndexer = new MyDataIndexer();
@Override
@NotNull
public ID<String, Void> getName() {
return NAME;
}
@Override
@NotNull
public DataIndexer<String, Void, FileContent> getIndexer() {
return myDataIndexer;
}
@NotNull
@Override
public KeyDescriptor<String> getKeyDescriptor() {
return myKeyDescriptor;
}
@NotNull
@Override
public FileBasedIndex.InputFilter getInputFilter() {
return new DefaultFileTypeSpecificInputFilter(StdFileTypes.GUI_DESIGNER_FORM);
}
@Override
public boolean dependsOnFileContent() {
return true;
}
@Override
public int getVersion() {
return 0;
}
private static class MyDataIndexer implements DataIndexer<String, Void, FileContent> {
@Override
@NotNull
public Map<String, Void> map(@NotNull final FileContent inputData) {
String className = null;
try {
className = Utils.getBoundClassName(inputData.getContentAsText().toString());
}
catch (Exception e) {
// ignore
}
if (className != null) {
return Collections.singletonMap(className, null);
}
return Collections.emptyMap();
}
}
public static List<PsiFile> findFormsBoundToClass(Project project, String className) {
return findFormsBoundToClass(project, className, ProjectScope.getAllScope(project));
}
public static List<PsiFile> findFormsBoundToClass(final Project project,
final String className,
final GlobalSearchScope scope) {
return ApplicationManager.getApplication().runReadAction(new Computable<List<PsiFile>>() {
@Override
public List<PsiFile> compute() {
final Collection<VirtualFile> files;
try {
files = FileBasedIndex.getInstance().getContainingFiles(NAME, className,
GlobalSearchScope.projectScope(project).intersectWith(scope));
}
catch (IndexNotReadyException e) {
return Collections.emptyList();
}
if (files.isEmpty()) return Collections.emptyList();
List<PsiFile> result = new ArrayList<PsiFile>();
for(VirtualFile file: files) {
if (!file.isValid()) continue;
PsiFile psiFile = PsiManager.getInstance(project).findFile(file);
if (psiFile != null) {
result.add(psiFile);
}
}
return result;
}
});
}
public static List<PsiFile> findFormsBoundToClass(Project project, @NotNull PsiClass psiClass) {
String qName = FormReferencesSearcher.getQualifiedName(psiClass);
if (qName == null) return Collections.emptyList();
return findFormsBoundToClass(project, qName);
}
public static List<PsiFile> findFormsBoundToClass(Project project, PsiClass psiClass, GlobalSearchScope scope) {
String qName = FormReferencesSearcher.getQualifiedName(psiClass);
if (qName == null) return Collections.emptyList();
return findFormsBoundToClass(project, qName, scope);
}
}
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