| /* |
| * 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.groovydoc.completion.handlers; |
| |
| import com.intellij.codeInsight.completion.InsertionContext; |
| import com.intellij.codeInsight.lookup.LookupElement; |
| import com.intellij.openapi.editor.CaretModel; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.codeStyle.JavaCodeStyleManager; |
| import com.intellij.psi.util.PsiTypesUtil; |
| import org.jetbrains.plugins.groovy.extensions.completion.ContextSpecificInsertHandler; |
| import org.jetbrains.plugins.groovy.lang.groovydoc.psi.api.GrDocComment; |
| import org.jetbrains.plugins.groovy.lang.groovydoc.psi.api.GrDocMethodParameter; |
| import org.jetbrains.plugins.groovy.lang.groovydoc.psi.api.GrDocMethodParams; |
| import org.jetbrains.plugins.groovy.lang.groovydoc.psi.api.GrDocMethodReference; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyFile; |
| |
| /** |
| * @author ilyas |
| */ |
| public class GroovyDocMethodHandler implements ContextSpecificInsertHandler { |
| |
| @Override |
| public boolean isAcceptable(InsertionContext context, int startOffset, LookupElement item) { |
| PsiFile file = context.getFile(); |
| if (!(file instanceof GroovyFile)) return false; |
| |
| PsiElement element = file.findElementAt(startOffset); |
| while (element != null && !(element instanceof PsiFile) && !(element instanceof GrDocComment)) { |
| element = element.getParent(); |
| } |
| if (!(element instanceof GrDocComment)) return false; |
| |
| int offset = context.getEditor().getCaretModel().getOffset(); |
| String text = file.getText(); |
| return offset < text.length() && item.getObject() instanceof PsiMethod; |
| |
| } |
| |
| @Override |
| public void handleInsert(InsertionContext context, int startOffset, LookupElement item) { |
| |
| Editor editor = context.getEditor(); |
| Object o = item.getObject(); |
| assert o instanceof PsiMethod; |
| PsiMethod method = (PsiMethod) o; |
| |
| StringBuffer buffer = new StringBuffer(); |
| buffer.append("("); |
| PsiParameterList params = method.getParameterList(); |
| int count = params.getParametersCount(); |
| int i = 0; |
| for (PsiParameter parameter : params.getParameters()) { |
| PsiType type = parameter.getType(); |
| String text = type.getCanonicalText(); |
| if (type instanceof PsiEllipsisType) { |
| text = text.substring(0, text.length() - 3) + "[]"; |
| } |
| buffer.append(PsiTypesUtil.unboxIfPossible(text)); |
| if (i < count - 1) { |
| buffer.append(", "); |
| } |
| i++; |
| } |
| buffer.append(") "); |
| |
| CaretModel caretModel = editor.getCaretModel(); |
| int endOffset = shortenParamterReferences(context, startOffset, method, buffer); |
| |
| caretModel.moveToOffset(endOffset); |
| } |
| |
| private static int shortenParamterReferences(InsertionContext context, int startOffset, PsiMethod method, StringBuffer buffer) { |
| Document document = context.getEditor().getDocument(); |
| int offset = startOffset + method.getName().length(); |
| String paramText = buffer.toString(); |
| document.insertString(offset, paramText); |
| int endOffset = offset + paramText.length(); |
| |
| final Project project = context.getProject(); |
| PsiDocumentManager.getInstance(project).commitDocument(document); |
| PsiReference ref = context.getFile().findReferenceAt(startOffset); |
| if (ref instanceof GrDocMethodReference) { |
| GrDocMethodReference methodReference = (GrDocMethodReference) ref; |
| GrDocMethodParams list = methodReference.getParameterList(); |
| for (GrDocMethodParameter parameter : list.getParameters()) { |
| JavaCodeStyleManager.getInstance(project).shortenClassReferences(parameter); |
| } |
| endOffset = methodReference.getTextRange().getEndOffset() + 1; |
| } |
| return endOffset; |
| } |
| |
| |
| } |