| /* |
| * Copyright 2000-2013 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.usages; |
| |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.actionSystem.DataProvider; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.extensions.ExtensionPointName; |
| import com.intellij.openapi.extensions.Extensions; |
| import com.intellij.openapi.project.DumbService; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class UsageTargetUtil { |
| private static final ExtensionPointName<UsageTargetProvider> EP_NAME = ExtensionPointName.create("com.intellij.usageTargetProvider"); |
| |
| public static UsageTarget[] findUsageTargets(DataProvider dataProvider) { |
| Editor editor = CommonDataKeys.EDITOR.getData(dataProvider); |
| PsiFile file = CommonDataKeys.PSI_FILE.getData(dataProvider); |
| |
| List<UsageTarget> result = new ArrayList<UsageTarget>(); |
| if (file != null && editor != null) { |
| UsageTarget[] targets = findUsageTargets(editor, file); |
| if (targets != null) Collections.addAll(result, targets); |
| } |
| PsiElement psiElement = CommonDataKeys.PSI_ELEMENT.getData(dataProvider); |
| if (psiElement != null) { |
| UsageTarget[] targets = findUsageTargets(psiElement); |
| if (targets != null)Collections.addAll(result, targets); |
| } |
| |
| return result.isEmpty() ? null : result.toArray(new UsageTarget[result.size()]); |
| } |
| |
| public static UsageTarget[] findUsageTargets(Editor editor, PsiFile file) { |
| List<UsageTarget> result = new ArrayList<UsageTarget>(); |
| for (UsageTargetProvider provider : Extensions.getExtensions(EP_NAME)) { |
| UsageTarget[] targets = provider.getTargets(editor, file); |
| if (targets != null) Collections.addAll(result, targets); |
| } |
| return result.isEmpty() ? null : result.toArray(new UsageTarget[result.size()]); |
| } |
| |
| public static UsageTarget[] findUsageTargets(PsiElement psiElement) { |
| List<UsageTarget> result = new ArrayList<UsageTarget>(); |
| UsageTargetProvider[] providers = Extensions.getExtensions(EP_NAME); |
| Project project = psiElement.getProject(); |
| for (UsageTargetProvider provider : DumbService.getInstance(project).filterByDumbAwareness(Arrays.asList(providers))) { |
| UsageTarget[] targets = provider.getTargets(psiElement); |
| if (targets != null) Collections.addAll(result, targets); |
| } |
| return result.isEmpty() ? null : result.toArray(new UsageTarget[result.size()]); |
| } |
| } |