| /* |
| * Copyright 2000-2013 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 org.jetbrains.plugins.javaFX; |
| |
| 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.PsiFile; |
| import com.intellij.psi.PsiManager; |
| import com.intellij.psi.search.GlobalSearchScope; |
| import com.intellij.psi.search.ProjectScope; |
| import com.intellij.util.Function; |
| import com.intellij.util.indexing.*; |
| import com.intellij.util.io.EnumeratorStringDescriptor; |
| import com.intellij.util.io.KeyDescriptor; |
| import com.intellij.util.xml.NanoXmlUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.javaFX.fxml.FxmlConstants; |
| import org.jetbrains.plugins.javaFX.fxml.JavaFXNamespaceProvider; |
| import org.jetbrains.plugins.javaFX.fxml.JavaFxFileTypeFactory; |
| |
| import java.io.StringReader; |
| import java.util.*; |
| |
| public class JavaFxControllerClassIndex extends ScalarIndexExtension<String> { |
| @NonNls public static final ID<String, Void> NAME = ID.create("JavaFxControllerClassIndex"); |
| private final EnumeratorStringDescriptor myKeyDescriptor = new EnumeratorStringDescriptor(); |
| private final MyInputFilter myInputFilter = new MyInputFilter(); |
| 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 myInputFilter; |
| } |
| |
| @Override |
| public boolean dependsOnFileContent() { |
| return true; |
| } |
| |
| @Override |
| public int getVersion() { |
| return 1; |
| } |
| |
| private static class MyDataIndexer implements DataIndexer<String, Void, FileContent> { |
| @Override |
| @NotNull |
| public Map<String, Void> map(@NotNull final FileContent inputData) { |
| final String className = getControllerClassName(inputData.getContentAsText().toString()); |
| if (className != null) { |
| return Collections.singletonMap(className, null); |
| } |
| return Collections.emptyMap(); |
| } |
| |
| @Nullable |
| private static String getControllerClassName(String content) { |
| if (!content.contains(JavaFXNamespaceProvider.JAVAFX_NAMESPACE)) { |
| return null; |
| } |
| |
| final String[] className = new String[]{null}; |
| |
| class StopException extends RuntimeException {} |
| |
| try { |
| NanoXmlUtil.parse(new StringReader(content), new NanoXmlUtil.IXMLBuilderAdapter() { |
| private boolean myFxRootUsed = false; |
| |
| @Override |
| public void addAttribute(String key, String nsPrefix, String nsURI, String value, String type) throws Exception { |
| if (value != null && |
| (FxmlConstants.FX_CONTROLLER.equals(nsPrefix + ":" + key) || FxmlConstants.TYPE.equals(key) && myFxRootUsed)) { |
| className[0] = value; |
| } |
| } |
| |
| @Override |
| public void elementAttributesProcessed(String name, String nsPrefix, String nsURI) throws Exception { |
| throw new StopException(); |
| } |
| |
| @Override |
| public void startElement(String name, String nsPrefix, String nsURI, String systemID, int lineNr) |
| throws Exception { |
| myFxRootUsed = FxmlConstants.FX_ROOT.equals(nsPrefix + ":" + name); |
| } |
| }); |
| } |
| catch (StopException ignore){} |
| return className[0]; |
| } |
| } |
| |
| public static class MyInputFilter extends DefaultFileTypeSpecificInputFilter { |
| public MyInputFilter() { |
| super(StdFileTypes.XML); |
| } |
| @Override |
| public boolean acceptInput(@NotNull final VirtualFile file) { |
| return JavaFxFileTypeFactory.isFxml(file); |
| } |
| } |
| |
| public static List<PsiFile> findFxmlWithController(final Project project, @NotNull String className) { |
| return findFxmlWithController(project, className, new Function<VirtualFile, PsiFile>() { |
| @Override |
| public PsiFile fun(VirtualFile file) { |
| return PsiManager.getInstance(project).findFile(file); |
| } |
| }, ProjectScope.getAllScope(project)); |
| } |
| |
| public static List<VirtualFile> findFxmlsWithController(final Project project, @NotNull String className) { |
| return findFxmlWithController(project, className, Function.ID, ProjectScope.getAllScope(project)); |
| } |
| |
| public static <T> List<T> findFxmlWithController(final Project project, |
| @NotNull final String className, |
| final Function<VirtualFile, T> f, |
| final GlobalSearchScope scope) { |
| return ApplicationManager.getApplication().runReadAction(new Computable<List<T>>() { |
| @Override |
| public List<T> 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<T> result = new ArrayList<T>(); |
| for (VirtualFile file : files) { |
| if (!file.isValid()) continue; |
| final T fFile = f.fun(file); |
| if (fFile != null) { |
| result.add(fFile); |
| } |
| } |
| return result; |
| } |
| }); |
| } |
| } |