| /* |
| * 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.jetbrains.python.hierarchy.call; |
| |
| import com.intellij.codeInsight.TargetElementUtilBase; |
| import com.intellij.ide.hierarchy.CallHierarchyBrowserBase; |
| import com.intellij.ide.hierarchy.HierarchyBrowser; |
| import com.intellij.ide.hierarchy.HierarchyProvider; |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiDocumentManager; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.jetbrains.python.psi.PyClass; |
| import com.jetbrains.python.psi.PyFile; |
| import com.jetbrains.python.psi.PyFunction; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author novokrest |
| */ |
| public class PyCallHierarchyProvider implements HierarchyProvider { |
| @Nullable |
| @Override |
| public PsiElement getTarget(@NotNull DataContext dataContext) { |
| Project project = CommonDataKeys.PROJECT.getData(dataContext); |
| if (project == null) return null; |
| |
| PsiElement element = CommonDataKeys.PSI_ELEMENT.getData(dataContext); |
| if (element == null) { |
| Editor editor = CommonDataKeys.EDITOR.getData(dataContext); |
| if (editor != null) { |
| PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument()); |
| if (file == null) return null; |
| |
| element = TargetElementUtilBase.findTargetElement(editor, TargetElementUtilBase.ELEMENT_NAME_ACCEPTED | |
| TargetElementUtilBase.REFERENCED_ELEMENT_ACCEPTED | |
| TargetElementUtilBase.LOOKUP_ITEM_ACCEPTED); |
| if (element instanceof PyFunction || element instanceof PyClass || element instanceof PyFile) { |
| return element; |
| } |
| |
| element = file.findElementAt(editor.getCaretModel().getOffset()); |
| } |
| } |
| return PsiTreeUtil.getNonStrictParentOfType(element, PyFunction.class, PyClass.class, PyFile.class); |
| } |
| |
| @NotNull |
| @Override |
| public HierarchyBrowser createHierarchyBrowser(PsiElement target) { |
| return new PyCallHierarchyBrowser(target); |
| } |
| |
| @Override |
| public void browserActivated(@NotNull HierarchyBrowser hierarchyBrowser) { |
| ((PyCallHierarchyBrowser)hierarchyBrowser).changeView(CallHierarchyBrowserBase.CALLER_TYPE); |
| } |
| } |