| /* |
| * Copyright 2000-2009 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.ide.hierarchy.method; |
| |
| import com.intellij.codeInsight.generation.OverrideImplementUtil; |
| import com.intellij.ide.hierarchy.HierarchyNodeDescriptor; |
| import com.intellij.ide.hierarchy.MethodHierarchyBrowserBase; |
| import com.intellij.openapi.actionSystem.*; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.command.CommandProcessor; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.ui.Messages; |
| import com.intellij.openapi.vfs.ReadonlyStatusHandler; |
| import com.intellij.openapi.vfs.VfsUtil; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.openapi.wm.ToolWindowManager; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.MethodSignature; |
| import com.intellij.util.IncorrectOperationException; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| abstract class OverrideImplementMethodAction extends AnAction { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.ide.hierarchy.method.OverrideImplementMethodAction"); |
| |
| public final void actionPerformed(final AnActionEvent event) { |
| final DataContext dataContext = event.getDataContext(); |
| final MethodHierarchyBrowser methodHierarchyBrowser = (MethodHierarchyBrowser)MethodHierarchyBrowserBase.DATA_KEY.getData(dataContext); |
| if (methodHierarchyBrowser == null) return; |
| final Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| if (project == null) return; |
| |
| final String commandName = event.getPresentation().getText(); |
| ApplicationManager.getApplication().runWriteAction(new Runnable() { |
| public void run() { |
| CommandProcessor.getInstance().executeCommand(project, new Runnable() { |
| public void run() { |
| |
| try{ |
| final HierarchyNodeDescriptor[] selectedDescriptors = methodHierarchyBrowser.getSelectedDescriptors(); |
| if (selectedDescriptors.length > 0) { |
| final List<VirtualFile> files = new ArrayList<VirtualFile>(selectedDescriptors.length); |
| for (HierarchyNodeDescriptor selectedDescriptor : selectedDescriptors) { |
| final PsiFile containingFile = ((MethodHierarchyNodeDescriptor)selectedDescriptor).getPsiClass().getContainingFile(); |
| if (containingFile != null) { |
| final VirtualFile vFile = containingFile.getVirtualFile(); |
| if (vFile != null) { |
| files.add(vFile); |
| } |
| } |
| } |
| final ReadonlyStatusHandler.OperationStatus status = ReadonlyStatusHandler.getInstance(project).ensureFilesWritable(VfsUtil.toVirtualFileArray(files)); |
| if (!status.hasReadonlyFiles()) { |
| for (HierarchyNodeDescriptor selectedDescriptor : selectedDescriptors) { |
| OverrideImplementUtil.overrideOrImplement(((MethodHierarchyNodeDescriptor)selectedDescriptor).getPsiClass(), methodHierarchyBrowser.getBaseMethod()); |
| } |
| ToolWindowManager.getInstance(project).activateEditorComponent(); |
| } |
| else { |
| ApplicationManager.getApplication().invokeLater(new Runnable() { |
| public void run() { |
| Messages.showErrorDialog(project, status.getReadonlyFilesMessage(), commandName); |
| } |
| }); |
| } |
| } |
| } |
| catch(IncorrectOperationException e){ |
| LOG.error(e); |
| } |
| } |
| }, commandName, null); |
| } |
| }); |
| } |
| |
| public final void update(final AnActionEvent e) { |
| final Presentation presentation = e.getPresentation(); |
| final DataContext dataContext = e.getDataContext(); |
| |
| final MethodHierarchyBrowser methodHierarchyBrowser = (MethodHierarchyBrowser)MethodHierarchyBrowserBase.DATA_KEY.getData(dataContext); |
| if (methodHierarchyBrowser == null) { |
| presentation.setEnabled(false); |
| presentation.setVisible(false); |
| return; |
| } |
| final Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| if (project == null) { |
| presentation.setEnabled(false); |
| presentation.setVisible(false); |
| return; |
| } |
| |
| final HierarchyNodeDescriptor[] selectedDescriptors = methodHierarchyBrowser.getSelectedDescriptors(); |
| int toImplement = 0; |
| int toOverride = 0; |
| |
| for (final HierarchyNodeDescriptor descriptor : selectedDescriptors) { |
| if (canImplementOverride((MethodHierarchyNodeDescriptor)descriptor, methodHierarchyBrowser, true)) { |
| if (toOverride > 0) { |
| // no mixed actions allowed |
| presentation.setEnabled(false); |
| presentation.setVisible(false); |
| return; |
| } |
| toImplement++; |
| } |
| else if (canImplementOverride((MethodHierarchyNodeDescriptor)descriptor, methodHierarchyBrowser, false)) { |
| if (toImplement > 0) { |
| // no mixed actions allowed |
| presentation.setEnabled(false); |
| presentation.setVisible(false); |
| return; |
| } |
| toOverride++; |
| } |
| else { |
| // no action is applicable to this node |
| presentation.setEnabled(false); |
| presentation.setVisible(false); |
| return; |
| } |
| } |
| |
| presentation.setVisible(true); |
| |
| update(presentation, toImplement, toOverride); |
| } |
| |
| protected abstract void update(Presentation presentation, int toImplement, int toOverride); |
| |
| private static boolean canImplementOverride(final MethodHierarchyNodeDescriptor descriptor, final MethodHierarchyBrowser methodHierarchyBrowser, final boolean toImplement) { |
| final PsiClass psiClass = descriptor.getPsiClass(); |
| if (psiClass == null || psiClass instanceof PsiSyntheticClass) return false; |
| final PsiMethod baseMethod = methodHierarchyBrowser.getBaseMethod(); |
| if (baseMethod == null) return false; |
| final MethodSignature signature = baseMethod.getSignature(PsiSubstitutor.EMPTY); |
| |
| Collection<MethodSignature> allOriginalSignatures = toImplement |
| ? OverrideImplementUtil.getMethodSignaturesToImplement(psiClass) |
| : OverrideImplementUtil.getMethodSignaturesToOverride(psiClass); |
| for (final MethodSignature originalSignature : allOriginalSignatures) { |
| if (originalSignature.equals(signature)) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| } |