| /* |
| * 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 org.jetbrains.plugins.groovy.annotator.intentions; |
| |
| import com.intellij.codeInsight.daemon.QuickFixBundle; |
| import com.intellij.ide.util.PsiClassListCellRenderer; |
| import com.intellij.ide.util.PsiElementListCellRenderer; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.command.CommandProcessor; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.ui.popup.PopupChooserBuilder; |
| import com.intellij.psi.*; |
| import com.intellij.ui.components.JBList; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.plugins.groovy.GroovyBundle; |
| import org.jetbrains.plugins.groovy.intentions.base.Intention; |
| import org.jetbrains.plugins.groovy.intentions.base.PsiElementPredicate; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.util.GrStaticChecker; |
| import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil; |
| |
| import javax.swing.*; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public abstract class GrCreateFromUsageBaseFix extends Intention { |
| protected final SmartPsiElementPointer<GrReferenceExpression> myRefExpression; |
| |
| public GrCreateFromUsageBaseFix(@NotNull GrReferenceExpression refExpression) { |
| myRefExpression = SmartPointerManager.getInstance(refExpression.getProject()).createSmartPsiElementPointer(refExpression); |
| } |
| |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return GroovyBundle.message("create.from.usage.family.name"); |
| } |
| |
| protected GrReferenceExpression getRefExpr() { |
| return myRefExpression.getElement(); |
| } |
| |
| @Override |
| public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) { |
| final GrReferenceExpression element = myRefExpression.getElement(); |
| if (element == null || !element.isValid()) { |
| return false; |
| } |
| |
| List<PsiClass> targetClasses = getTargetClasses(); |
| return !targetClasses.isEmpty(); |
| } |
| |
| @Override |
| public boolean startInWriteAction() { |
| return true; |
| } |
| |
| |
| @Override |
| protected void processIntention(@NotNull PsiElement element, Project project, Editor editor) throws IncorrectOperationException { |
| final List<PsiClass> classes = getTargetClasses(); |
| if (classes.size() == 1) { |
| invokeImpl(project, classes.get(0)); |
| } |
| else if (!classes.isEmpty()) { |
| chooseClass(classes, editor); |
| } |
| } |
| |
| @NotNull |
| @Override |
| protected PsiElementPredicate getElementPredicate() { |
| return new PsiElementPredicate() { |
| @Override |
| public boolean satisfiedBy(PsiElement element) { |
| return element instanceof GrReferenceExpression; |
| } |
| }; |
| } |
| |
| private void chooseClass(List<PsiClass> classes, Editor editor) { |
| final Project project = classes.get(0).getProject(); |
| |
| final JList list = new JBList(classes); |
| PsiElementListCellRenderer renderer = new PsiClassListCellRenderer(); |
| list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); |
| list.setCellRenderer(renderer); |
| final PopupChooserBuilder builder = new PopupChooserBuilder(list); |
| renderer.installSpeedSearch(builder); |
| |
| Runnable runnable = new Runnable() { |
| @Override |
| public void run() { |
| int index = list.getSelectedIndex(); |
| if (index < 0) return; |
| final PsiClass aClass = (PsiClass)list.getSelectedValue(); |
| CommandProcessor.getInstance().executeCommand(project, new Runnable() { |
| @Override |
| public void run() { |
| ApplicationManager.getApplication().runWriteAction(new Runnable() { |
| @Override |
| public void run() { |
| invokeImpl(project, aClass); |
| } |
| }); |
| } |
| }, getText(), null); |
| } |
| }; |
| |
| builder. |
| setTitle(QuickFixBundle.message("target.class.chooser.title")). |
| setItemChoosenCallback(runnable). |
| createPopup(). |
| showInBestPositionFor(editor); |
| } |
| |
| protected abstract void invokeImpl(Project project, @NotNull PsiClass targetClass); |
| |
| private List<PsiClass> getTargetClasses() { |
| final GrReferenceExpression ref = getRefExpr(); |
| final boolean compileStatic = PsiUtil.isCompileStatic(ref) || GrStaticChecker.isPropertyAccessInStaticMethod(ref); |
| final PsiClass targetClass = QuickfixUtil.findTargetClass(ref, compileStatic); |
| if (targetClass == null || !canBeTargetClass(targetClass)) return Collections.emptyList(); |
| |
| final ArrayList<PsiClass> classes = new ArrayList<PsiClass>(); |
| collectSupers(targetClass, classes); |
| return classes; |
| } |
| |
| private void collectSupers(PsiClass psiClass, ArrayList<PsiClass> classes) { |
| classes.add(psiClass); |
| |
| final PsiClass[] supers = psiClass.getSupers(); |
| for (PsiClass aSuper : supers) { |
| if (classes.contains(aSuper)) continue; |
| if (canBeTargetClass(aSuper)) { |
| collectSupers(aSuper, classes); |
| } |
| } |
| } |
| |
| protected boolean canBeTargetClass(PsiClass psiClass) { |
| return psiClass.getManager().isInProject(psiClass); |
| } |
| } |