/** * Copyright 2009 Google Inc. * * 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 org.waveprotocol.wave.client.editor.event; import org.waveprotocol.wave.client.common.util.SignalEvent; import org.waveprotocol.wave.client.editor.content.ContentNode; import org.waveprotocol.wave.client.editor.content.ContentRange; import org.waveprotocol.wave.model.document.util.Point; /** * Higher-level handler for editor events. * * An application can implement this interface for custom handling of behaviour. * */ public interface EditorEventsSubHandler { /** * Handler for commands that affect the current block */ public boolean handleBlockLevelCommands(EditorEvent event, ContentRange selection); /** * Handler for key combos on a range selection * @param selection */ public boolean handleRangeKeyCombo(EditorEvent event, ContentRange selection); /** * Handler for key combos on a collapsed selection */ boolean handleCollapsedKeyCombo(EditorEvent event, Point<ContentNode> caret); /** * Handler for selection-independent commands */ boolean handleCommand(EditorEvent event); /** * Handler for dom mutation events * @param event */ void handleDomMutation(SignalEvent event); /** * Handle cut event. * @param event */ boolean handleCut(EditorEvent event); /** * Handle paste event. * @param event */ boolean handlePaste(EditorEvent event); /** * Handle copy event * @param event */ boolean handleCopy(EditorEvent event); }