| /* |
| * 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.ide.impl.dataRules; |
| |
| import com.intellij.ide.util.EditSourceUtil; |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.actionSystem.DataProvider; |
| import com.intellij.openapi.actionSystem.LangDataKeys; |
| import com.intellij.openapi.actionSystem.PlatformDataKeys; |
| import com.intellij.openapi.fileEditor.OpenFileDescriptor; |
| import com.intellij.pom.Navigatable; |
| import com.intellij.psi.PsiElement; |
| |
| public class NavigatableRule implements GetDataRule { |
| @Override |
| public Object getData(DataProvider dataProvider) { |
| final Navigatable navigatable = CommonDataKeys.NAVIGATABLE.getData(dataProvider); |
| if (navigatable != null && navigatable instanceof OpenFileDescriptor) { |
| final OpenFileDescriptor openFileDescriptor = (OpenFileDescriptor)navigatable; |
| |
| if (openFileDescriptor.getFile().isValid()) { |
| return openFileDescriptor; |
| } |
| } |
| final PsiElement element = CommonDataKeys.PSI_ELEMENT.getData(dataProvider); |
| if (element instanceof Navigatable) { |
| return element; |
| } |
| if (element != null) { |
| return EditSourceUtil.getDescriptor(element); |
| } |
| |
| final Object selection = PlatformDataKeys.SELECTED_ITEM.getData(dataProvider); |
| if (selection instanceof Navigatable) { |
| return selection; |
| } |
| |
| return null; |
| } |
| } |