| // Copyright (C) 2009 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.google.gwtexpui.globalkey.client; |
| |
| import com.google.gwt.event.dom.client.KeyPressEvent; |
| import com.google.gwt.event.dom.client.KeyPressHandler; |
| import com.google.gwt.event.shared.HandlerRegistration; |
| |
| |
| public class GlobalKey { |
| public static final KeyPressHandler STOP_PROPAGATION = new KeyPressHandler() { |
| @Override |
| public void onKeyPress(final KeyPressEvent event) { |
| event.stopPropagation(); |
| } |
| }; |
| |
| private static KeyCommandSet keyApplication; |
| static KeyCommandSet keys; |
| |
| private static void init() { |
| if (keys == null) { |
| keys = new KeyCommandSet(); |
| DocWidget.get().addKeyPressHandler(keys); |
| |
| keyApplication = new KeyCommandSet(Util.C.applicationSection()); |
| keyApplication.add(new ShowHelpCommand()); |
| keys.add(keyApplication); |
| } |
| } |
| |
| public static HandlerRegistration addApplication(final KeyCommand key) { |
| init(); |
| keys.add(key); |
| keyApplication.add(key); |
| |
| return new HandlerRegistration() { |
| @Override |
| public void removeHandler() { |
| keys.remove(key); |
| keyApplication.remove(key); |
| } |
| }; |
| } |
| |
| public static HandlerRegistration add(final KeyCommandSet set) { |
| init(); |
| keys.add(set); |
| |
| return new HandlerRegistration() { |
| @Override |
| public void removeHandler() { |
| keys.remove(set); |
| } |
| }; |
| } |
| |
| public static void filter(final KeyCommandFilter filter) { |
| keys.filter(filter); |
| } |
| |
| private GlobalKey() { |
| } |
| } |