| /* |
| * 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.usages.actions; |
| |
| import com.intellij.openapi.actionSystem.AnAction; |
| import com.intellij.openapi.actionSystem.AnActionEvent; |
| import com.intellij.usages.Usage; |
| import com.intellij.usages.UsageView; |
| |
| /** |
| * @author max |
| */ |
| public abstract class IncludeExcludeActionBase extends AnAction { |
| protected abstract void process(Usage[] usages, UsageView usageView); |
| |
| private static Usage[] getUsages(AnActionEvent context) { |
| UsageView usageView = context.getData(UsageView.USAGE_VIEW_KEY); |
| if (usageView == null) return Usage.EMPTY_ARRAY; |
| Usage[] usages = context.getData(UsageView.USAGES_KEY); |
| return usages == null ? Usage.EMPTY_ARRAY : usages; |
| } |
| |
| @Override |
| public void update(AnActionEvent e) { |
| e.getPresentation().setEnabled(getUsages(e).length > 0); |
| } |
| |
| @Override |
| public void actionPerformed(AnActionEvent e) { |
| process(getUsages(e), e.getData(UsageView.USAGE_VIEW_KEY)); |
| } |
| } |