Java tutorial
/* * Copyright (C) 2016 The Android Open Source Project * * 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.android.tools.adtui.workbench; import com.google.common.collect.ArrayListMultimap; import com.google.common.collect.Multimap; import com.google.common.collect.Multimaps; import com.intellij.openapi.components.ServiceManager; import org.jetbrains.annotations.NotNull; import java.util.Collection; import java.util.Optional; /** * All the settings of an {@link AttachedToolWindow} are shared globally for all instances * of the same {@link WorkBench} and tool window combination.<br/> * This class is responsible for notifying other {@link WorkBench}es that something has * changed. */ public class WorkBenchManager { private Multimap<String, WorkBench> myWorkBenches; public static WorkBenchManager getInstance() { return ServiceManager.getService(WorkBenchManager.class); } public WorkBenchManager() { myWorkBenches = Multimaps.synchronizedListMultimap(ArrayListMultimap.create()); } public void register(@NotNull WorkBench workBench) { myWorkBenches.put(workBench.getName(), workBench); } public void unregister(@NotNull WorkBench workBench) { myWorkBenches.remove(workBench.getName(), workBench); } public void storeDefaultLayout() { for (String name : myWorkBenches.keySet()) { Optional<WorkBench> workbench = myWorkBenches.get(name).stream().findFirst(); if (workbench.isPresent()) { workbench.get().storeDefaultLayout(); updateOtherWorkBenches(workbench.get()); } } } public void restoreDefaultLayout() { for (String name : myWorkBenches.keySet()) { Optional<WorkBench> workbench = myWorkBenches.get(name).stream().findFirst(); if (workbench.isPresent()) { workbench.get().restoreDefaultLayout(); updateOtherWorkBenches(workbench.get()); } } } public void updateOtherWorkBenches(@NotNull WorkBench workBench) { Collection<WorkBench> workBenches = myWorkBenches.get(workBench.getName()); workBenches.stream().filter(bench -> bench != workBench).forEach(WorkBench::updateModel); } }