| /* |
| * 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.codeInsight.template.macro; |
| |
| import com.intellij.codeInsight.CodeInsightBundle; |
| import com.intellij.codeInsight.template.Expression; |
| import com.intellij.codeInsight.template.ExpressionContext; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.search.GlobalSearchScope; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.util.PsiUtilBase; |
| import com.intellij.psi.util.PsiUtilCore; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author ven |
| */ |
| public class IterableVariableMacro extends VariableTypeMacroBase { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.codeInsight.template.macro.IterableVariableMacro"); |
| |
| @Override |
| public String getName() { |
| return "iterableVariable"; |
| } |
| |
| @Override |
| public String getPresentableName() { |
| return CodeInsightBundle.message("macro.iterable.variable"); |
| } |
| |
| @Override |
| @Nullable |
| protected PsiElement[] getVariables(Expression[] params, final ExpressionContext context) { |
| if (params.length != 0) return null; |
| |
| final List<PsiElement> result = new ArrayList<PsiElement>(); |
| |
| |
| Project project = context.getProject(); |
| final int offset = context.getStartOffset(); |
| PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(context.getEditor().getDocument()); |
| assert file != null; |
| PsiElement place = file.findElementAt(offset); |
| final PsiElementFactory elementFactory = JavaPsiFacade.getInstance(project).getElementFactory(); |
| final GlobalSearchScope scope = file.getResolveScope(); |
| |
| PsiType iterableType = elementFactory.createTypeByFQClassName("java.lang.Iterable", scope); |
| PsiType mapType = elementFactory.createTypeByFQClassName(CommonClassNames.JAVA_UTIL_MAP, scope); |
| |
| PsiVariable[] variables = MacroUtil.getVariablesVisibleAt(place, ""); |
| for (PsiVariable var : variables) { |
| final PsiElement parent = var.getParent(); |
| if (parent instanceof PsiForeachStatement && parent == PsiTreeUtil.getParentOfType(place, PsiForeachStatement.class)) continue; |
| |
| PsiType type = VariableTypeCalculator.getVarTypeAt(var, place); |
| if (type instanceof PsiArrayType || iterableType.isAssignableFrom(type)) { |
| result.add(var); |
| } |
| else if (mapType.isAssignableFrom(type)) { |
| try { |
| result.add(elementFactory.createExpressionFromText(var.getName() + ".keySet()", var.getParent())); |
| result.add(elementFactory.createExpressionFromText(var.getName() + ".values()", var.getParent())); |
| result.add(elementFactory.createExpressionFromText(var.getName() + ".entrySet()", var.getParent())); |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| } |
| } |
| return PsiUtilCore.toPsiElementArray(result); |
| } |
| } |