| /* |
| * 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.fxml.codeInsight.inspections; |
| |
| import com.intellij.codeInsight.FileModificationService; |
| import com.intellij.codeInsight.daemon.QuickFixBundle; |
| import com.intellij.codeInspection.*; |
| import com.intellij.lang.ImportOptimizer; |
| import com.intellij.openapi.command.WriteCommandAction; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.xml.XmlDocument; |
| import com.intellij.psi.xml.XmlFile; |
| import com.intellij.psi.xml.XmlProcessingInstruction; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.javaFX.fxml.JavaFxFileTypeFactory; |
| import org.jetbrains.plugins.javaFX.fxml.JavaFxPsiUtil; |
| import org.jetbrains.plugins.javaFX.fxml.codeInsight.JavaFxImportsOptimizer; |
| |
| import java.util.*; |
| |
| /** |
| * User: anna |
| * Date: 4/18/13 |
| */ |
| public class JavaFxUnusedImportsInspection extends XmlSuppressableInspectionTool { |
| @Nullable |
| @Override |
| public ProblemDescriptor[] checkFile(@NotNull PsiFile file, @NotNull InspectionManager manager, final boolean isOnTheFly) { |
| if (!JavaFxFileTypeFactory.isFxml(file)) return null; |
| final XmlDocument document = ((XmlFile)file).getDocument(); |
| if (document == null) return null; |
| final Set<String> usedNames = new HashSet<String>(); |
| file.accept(new JavaFxImportsOptimizer.JavaFxUsedClassesVisitor() { |
| @Override |
| protected void appendClassName(String fqn) { |
| usedNames.add(fqn); |
| final String packageName = StringUtil.getPackageName(fqn); |
| if (!StringUtil.isEmpty(packageName)) { |
| usedNames.add(packageName); |
| } |
| } |
| }); |
| |
| final InspectionManager inspectionManager = InspectionManager.getInstance(file.getProject()); |
| |
| final List<ProblemDescriptor> problems = new ArrayList<ProblemDescriptor>(); |
| final Collection<XmlProcessingInstruction> instructions = |
| PsiTreeUtil.findChildrenOfType(document.getProlog(), XmlProcessingInstruction.class); |
| final Map<String, XmlProcessingInstruction> targetProcessingInstructions = new LinkedHashMap<String, XmlProcessingInstruction>(); |
| for (XmlProcessingInstruction instruction : instructions) { |
| final String target = JavaFxPsiUtil.getInstructionTarget("import", instruction); |
| if (target != null) { |
| targetProcessingInstructions.put(target, instruction); |
| } |
| } |
| for (String target : targetProcessingInstructions.keySet()) { |
| final XmlProcessingInstruction instruction = targetProcessingInstructions.get(target); |
| if (target.endsWith(".*")) { |
| if (!usedNames.contains(StringUtil.trimEnd(target, ".*"))) { |
| problems.add(inspectionManager |
| .createProblemDescriptor(instruction, "Unused import", new JavaFxOptimizeImportsFix(), ProblemHighlightType.LIKE_UNUSED_SYMBOL, isOnTheFly)); |
| } |
| } |
| else if (!usedNames.contains(target) || targetProcessingInstructions.containsKey(StringUtil.getPackageName(target) + ".*")) { |
| problems.add(inspectionManager |
| .createProblemDescriptor(instruction, "Unused import", new JavaFxOptimizeImportsFix(), ProblemHighlightType.LIKE_UNUSED_SYMBOL, isOnTheFly)); |
| } |
| } |
| return problems.isEmpty() ? null : problems.toArray(new ProblemDescriptor[problems.size()]); |
| } |
| |
| private static class JavaFxOptimizeImportsFix implements LocalQuickFix { |
| @NotNull |
| @Override |
| public String getName() { |
| return QuickFixBundle.message("optimize.imports.fix"); |
| } |
| |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return QuickFixBundle.message("optimize.imports.fix"); |
| } |
| |
| @Override |
| public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) { |
| final PsiElement psiElement = descriptor.getPsiElement(); |
| if (psiElement == null) return; |
| final PsiFile file = psiElement.getContainingFile(); |
| if (file == null || !JavaFxFileTypeFactory.isFxml(file)) return; |
| if (!FileModificationService.getInstance().prepareFileForWrite(file)) return; |
| ImportOptimizer optimizer = new JavaFxImportsOptimizer(); |
| final Runnable runnable = optimizer.processFile(file); |
| new WriteCommandAction.Simple(project, getFamilyName(), file) { |
| @Override |
| protected void run() throws Throwable { |
| runnable.run(); |
| } |
| }.execute(); |
| } |
| } |
| } |