| /* |
| * 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.lang.completion.handlers; |
| |
| import com.intellij.codeInsight.AutoPopupController; |
| import com.intellij.codeInsight.completion.ConstructorInsertHandler; |
| import com.intellij.codeInsight.completion.InsertHandler; |
| import com.intellij.codeInsight.completion.InsertionContext; |
| import com.intellij.codeInsight.completion.JavaCompletionFeatures; |
| import com.intellij.codeInsight.completion.util.ParenthesesInsertHandler; |
| import com.intellij.codeInsight.lookup.LookupItem; |
| import com.intellij.featureStatistics.FeatureUsageTracker; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.lang.completion.GroovyCompletionUtil; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement; |
| |
| /** |
| * @author Maxim.Medvedev |
| */ |
| public class AfterNewClassInsertHandler implements InsertHandler<LookupItem<PsiClassType>> { |
| private static final Logger LOG = Logger.getInstance(AfterNewClassInsertHandler.class); |
| |
| private final PsiClassType myClassType; |
| private final boolean myTriggerFeature; |
| |
| public AfterNewClassInsertHandler(PsiClassType classType, boolean triggerFeature) { |
| myClassType = classType; |
| myTriggerFeature = triggerFeature; |
| } |
| |
| @Override |
| public void handleInsert(final InsertionContext context, LookupItem<PsiClassType> item) { |
| final PsiClassType.ClassResolveResult resolveResult = myClassType.resolveGenerics(); |
| final PsiClass psiClass = resolveResult.getElement(); |
| if (psiClass == null || !psiClass.isValid()) { |
| return; |
| } |
| |
| GroovyPsiElement place = |
| PsiTreeUtil.findElementOfClassAtOffset(context.getFile(), context.getStartOffset(), GroovyPsiElement.class, false); |
| boolean hasParams = place != null && GroovyCompletionUtil.hasConstructorParameters(psiClass, place); |
| if (myTriggerFeature) { |
| FeatureUsageTracker.getInstance().triggerFeatureUsed(JavaCompletionFeatures.AFTER_NEW); |
| } |
| |
| if (hasParams) { |
| ParenthesesInsertHandler.WITH_PARAMETERS.handleInsert(context, item); |
| } |
| else { |
| ParenthesesInsertHandler.NO_PARAMETERS.handleInsert(context, item); |
| } |
| |
| shortenRefsInGenerics(context); |
| if (hasParams) { |
| AutoPopupController.getInstance(context.getProject()).autoPopupParameterInfo(context.getEditor(), null); |
| } |
| |
| PsiDocumentManager.getInstance(context.getProject()).doPostponedOperationsAndUnblockDocument(context.getDocument()); |
| |
| if (psiClass.hasModifierProperty(PsiModifier.ABSTRACT)) { |
| final Editor editor = context.getEditor(); |
| final int offset = context.getTailOffset(); |
| editor.getDocument().insertString(offset, " {}"); |
| editor.getCaretModel().moveToOffset(offset + 2); |
| |
| context.setLaterRunnable(generateAnonymousBody(editor, context.getFile())); |
| |
| } |
| } |
| |
| private static void shortenRefsInGenerics(InsertionContext context) { |
| int offset = context.getStartOffset(); |
| |
| final String text = context.getDocument().getText(); |
| while (text.charAt(offset) != '<' && text.charAt(offset) != '(') { |
| offset++; |
| } |
| if (text.charAt(offset) == '<') { |
| GroovyCompletionUtil.shortenReference(context.getFile(), offset); |
| } |
| } |
| |
| @Nullable |
| private static Runnable generateAnonymousBody(final Editor editor, final PsiFile file) { |
| final Project project = file.getProject(); |
| PsiDocumentManager.getInstance(project).commitAllDocuments(); |
| |
| int offset = editor.getCaretModel().getOffset(); |
| PsiElement element = file.findElementAt(offset); |
| if (element == null) return null; |
| |
| PsiElement parent = element.getParent().getParent(); |
| if (!(parent instanceof PsiAnonymousClass)) return null; |
| |
| return ConstructorInsertHandler.genAnonymousBodyFor((PsiAnonymousClass)parent, editor, file, project); |
| } |
| |
| } |