| /* |
| * 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.refactoring.typeCook; |
| |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.wm.WindowManager; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiTypeCastExpression; |
| import com.intellij.refactoring.BaseRefactoringProcessor; |
| import com.intellij.refactoring.RefactoringBundle; |
| import com.intellij.refactoring.typeCook.deductive.builder.ReductionSystem; |
| import com.intellij.refactoring.typeCook.deductive.builder.Result; |
| import com.intellij.refactoring.typeCook.deductive.builder.SystemBuilder; |
| import com.intellij.refactoring.typeCook.deductive.resolver.Binding; |
| import com.intellij.refactoring.typeCook.deductive.resolver.ResolverTree; |
| import com.intellij.usageView.UsageInfo; |
| import com.intellij.usageView.UsageViewDescriptor; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.*; |
| |
| public class TypeCookProcessor extends BaseRefactoringProcessor { |
| private PsiElement[] myElements; |
| private final Settings mySettings; |
| private Result myResult; |
| |
| public TypeCookProcessor(Project project, PsiElement[] elements, Settings settings) { |
| super(project); |
| |
| myElements = elements; |
| mySettings = settings; |
| } |
| |
| @NotNull |
| protected UsageViewDescriptor createUsageViewDescriptor(UsageInfo[] usages) { |
| return new TypeCookViewDescriptor(myElements); |
| } |
| |
| @NotNull |
| protected UsageInfo[] findUsages() { |
| final SystemBuilder systemBuilder = new SystemBuilder(myProject, mySettings); |
| |
| final ReductionSystem commonSystem = systemBuilder.build(myElements); |
| myResult = new Result(commonSystem); |
| |
| final ReductionSystem[] systems = commonSystem.isolate(); |
| |
| for (final ReductionSystem system : systems) { |
| if (system != null) { |
| final ResolverTree tree = new ResolverTree(system); |
| |
| tree.resolve(); |
| |
| final Binding solution = tree.getBestSolution(); |
| |
| if (solution != null) { |
| myResult.incorporateSolution(solution); |
| } |
| } |
| } |
| |
| final Set<PsiElement> changedItems = myResult.getCookedElements(); |
| final UsageInfo[] usages = new UsageInfo[changedItems.size()]; |
| |
| int i = 0; |
| for (final PsiElement element : changedItems) { |
| if (!(element instanceof PsiTypeCastExpression)) { |
| usages[i++] = new UsageInfo(element) { |
| public String getTooltipText() { |
| return myResult.getCookedType(element).getCanonicalText(); |
| } |
| }; |
| } |
| else { |
| usages[i++] = new UsageInfo(element); |
| } |
| } |
| |
| return usages; |
| } |
| |
| protected void refreshElements(PsiElement[] elements) { |
| myElements = elements; |
| } |
| |
| protected void performRefactoring(UsageInfo[] usages) { |
| final Set<PsiElement> victims = new HashSet<PsiElement>(); |
| |
| for (UsageInfo usage : usages) { |
| victims.add(usage.getElement()); |
| } |
| |
| myResult.apply (victims); |
| |
| WindowManager.getInstance().getStatusBar(myProject).setInfo(myResult.getReport()); |
| } |
| |
| @Override |
| protected boolean isGlobalUndoAction() { |
| return true; |
| } |
| |
| protected String getCommandName() { |
| return RefactoringBundle.message("type.cook.command"); |
| } |
| |
| public List<PsiElement> getElements() { |
| return Collections.unmodifiableList(Arrays.asList(myElements)); |
| } |
| } |