Java tutorial
/* * Copyright 2000-2012 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.daemon.impl.quickfix; import com.intellij.codeInsight.daemon.QuickFixBundle; import com.intellij.codeInsight.daemon.impl.actions.AddImportAction; import com.intellij.compiler.ModuleCompilerUtil; import com.intellij.icons.AllIcons; import com.intellij.openapi.application.ApplicationManager; import com.intellij.openapi.diagnostic.Logger; import com.intellij.openapi.editor.Editor; import com.intellij.openapi.module.Module; import com.intellij.openapi.module.ModuleUtilCore; import com.intellij.openapi.project.Project; import com.intellij.openapi.roots.*; import com.intellij.openapi.ui.Messages; import com.intellij.openapi.ui.popup.JBPopup; import com.intellij.openapi.ui.popup.JBPopupFactory; import com.intellij.openapi.util.Pair; import com.intellij.openapi.vfs.VirtualFile; import com.intellij.psi.*; import com.intellij.ui.ListCellRendererWrapper; import com.intellij.ui.components.JBList; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; import javax.swing.*; import java.util.ArrayList; import java.util.List; /** * User: anna * Date: 11/20/12 */ class AddModuleDependencyFix extends OrderEntryFix { private final List<Module> myModules = new ArrayList<Module>(); private final Module myCurrentModule; private final VirtualFile myClassVFile; private final PsiClass[] myClasses; private final PsiReference myReference; private static final Logger LOG = Logger.getInstance("#" + AddModuleDependencyFix.class.getName()); public AddModuleDependencyFix(Module currentModule, VirtualFile classVFile, PsiClass[] classes, PsiReference reference) { final PsiElement psiElement = reference.getElement(); final Project project = psiElement.getProject(); final JavaPsiFacade facade = JavaPsiFacade.getInstance(project); final ProjectFileIndex fileIndex = ProjectRootManager.getInstance(project).getFileIndex(); for (PsiClass aClass : classes) { if (!facade.getResolveHelper().isAccessible(aClass, psiElement, aClass)) continue; PsiFile psiFile = aClass.getContainingFile(); if (psiFile == null) continue; VirtualFile virtualFile = psiFile.getVirtualFile(); if (virtualFile == null) continue; final Module classModule = fileIndex.getModuleForFile(virtualFile); if (classModule != null && classModule != currentModule && !ModuleRootManager.getInstance(currentModule).isDependsOn(classModule)) { myModules.add(classModule); } } myCurrentModule = currentModule; myClassVFile = classVFile; myClasses = classes; myReference = reference; } @Override @NotNull public String getText() { return myModules.size() == 1 ? QuickFixBundle.message("orderEntry.fix.add.dependency.on.module", myModules.get(0).getName()) : "Add dependency on module..."; } @Override @NotNull public String getFamilyName() { return QuickFixBundle.message("orderEntry.fix.family.add.module.dependency"); } @Override public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) { for (Module module : myModules) { if (module.isDisposed()) return false; } return !project.isDisposed() && !myModules.isEmpty() && !myCurrentModule.isDisposed(); } @Override public void invoke(@NotNull final Project project, @Nullable final Editor editor, PsiFile file) { if (myModules.size() == 1) { addDependencyOnModule(project, editor, myModules.get(0)); } else { final JBList list = new JBList(myModules); list.setCellRenderer(new ListCellRendererWrapper<Module>() { @Override public void customize(JList list, Module module, int index, boolean selected, boolean hasFocus) { if (module != null) { setIcon(AllIcons.Nodes.Module); setText(module.getName()); } } }); final JBPopup popup = JBPopupFactory.getInstance().createListPopupBuilder(list) .setTitle("Choose Module to Add Dependency on").setMovable(false).setResizable(false) .setRequestFocus(true).setItemChoosenCallback(new Runnable() { @Override public void run() { final Object value = list.getSelectedValue(); if (value instanceof Module) { addDependencyOnModule(project, editor, (Module) value); } } }).createPopup(); if (editor != null) { popup.showInBestPositionFor(editor); } else { popup.showCenteredInCurrentWindow(project); } } } private void addDependencyOnModule(final Project project, final Editor editor, final Module module) { final Runnable doit = new Runnable() { @Override public void run() { final boolean test = ModuleRootManager.getInstance(myCurrentModule).getFileIndex() .isInTestSourceContent(myClassVFile); ModuleRootModificationUtil.addDependency(myCurrentModule, module, test ? DependencyScope.TEST : DependencyScope.COMPILE, false); if (editor != null) { final List<PsiClass> targetClasses = new ArrayList<PsiClass>(); for (PsiClass psiClass : myClasses) { if (ModuleUtilCore.findModuleForPsiElement(psiClass) == module) { targetClasses.add(psiClass); } } new AddImportAction(project, myReference, editor, targetClasses.toArray(new PsiClass[targetClasses.size()])).execute(); } } }; final Pair<Module, Module> circularModules = ModuleCompilerUtil .addingDependencyFormsCircularity(myCurrentModule, module); if (circularModules == null) { doit.run(); } else { showCircularWarningAndContinue(project, circularModules, module, doit); } } private static void showCircularWarningAndContinue(final Project project, final Pair<Module, Module> circularModules, final Module classModule, final Runnable doit) { final String message = QuickFixBundle.message("orderEntry.fix.circular.dependency.warning", classModule.getName(), circularModules.getFirst().getName(), circularModules.getSecond().getName()); if (ApplicationManager.getApplication().isUnitTestMode()) throw new RuntimeException(message); ApplicationManager.getApplication().invokeLater(new Runnable() { @Override public void run() { if (!project.isOpen()) return; int ret = Messages.showOkCancelDialog(project, message, QuickFixBundle.message("orderEntry.fix.title.circular.dependency.warning"), Messages.getWarningIcon()); if (ret == 0) { ApplicationManager.getApplication().runWriteAction(doit); } } }); } }