001/* 002 * (C) Copyright 2006-2009 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.platform.annotations.gwt.client.view.listener; 023 024import org.nuxeo.ecm.platform.annotations.gwt.client.AnnotationConstant; 025import org.nuxeo.ecm.platform.annotations.gwt.client.controler.AnnotationController; 026import org.nuxeo.ecm.platform.annotations.gwt.client.util.CSSClassManager; 027import org.nuxeo.ecm.platform.annotations.gwt.client.view.annotater.Annotater; 028import org.nuxeo.ecm.platform.annotations.gwt.client.view.annotater.ImageAnnotater; 029import org.nuxeo.ecm.platform.annotations.gwt.client.view.annotater.TextAnnotater; 030 031import com.google.gwt.dom.client.Element; 032import com.google.gwt.user.client.Event; 033import com.google.gwt.user.client.EventListener; 034 035public class AnnotatedEventListener implements EventListener { 036 private final Annotater imageAnnotater; 037 038 private final Annotater textAnnotater; 039 040 private final AnnotationController controller; 041 042 private Annotater lastUsedAnnotater; 043 044 public AnnotatedEventListener(AnnotationController controller) { 045 this.imageAnnotater = new ImageAnnotater(controller); 046 this.textAnnotater = new TextAnnotater(controller); 047 this.controller = controller; 048 } 049 050 public void onBrowserEvent(Event event) { 051 if (!controller.canAnnotate()) { 052 return; 053 } 054 055 if (event.getTarget() == null) {// FF2 send a onload event. 056 return; 057 } 058 059 if (event.getTypeInt() == Event.ONMOUSEOUT) { 060 manageOnMouseOutEvent(event); 061 return; 062 } 063 064 if (isOnImage(event)) { 065 annotateImage(event); 066 } else if (!controller.isImageOnly()) { 067 annotateText(event); 068 } 069 } 070 071 private void manageOnMouseOutEvent(Event event) { 072 if (lastUsedAnnotater != null) { 073 lastUsedAnnotater.manageEvent(event); 074 lastUsedAnnotater = null; 075 } 076 } 077 078 private boolean isOnImage(Event event) { 079 Element element = event.getTarget(); 080 if (element.getNodeName().equalsIgnoreCase("div")) { 081 CSSClassManager cssManager = new CSSClassManager(element); 082 if (cssManager.isClassPresent(AnnotationConstant.DECORATE_CLASS_NAME) 083 || cssManager.isClassPresent(AnnotationConstant.DECORATE_NOT_CLASS_NAME) 084 || cssManager.isClassPresent(AnnotationConstant.DECORATE_AREA_CLASS_NAME)) { 085 return true; 086 } 087 } else if (element.getNodeName().equalsIgnoreCase("img")) { 088 return true; 089 } 090 return false; 091 } 092 093 private void annotateImage(Event event) { 094 imageAnnotater.manageEvent(event); 095 } 096 097 private void annotateText(Event event) { 098 textAnnotater.manageEvent(event); 099 lastUsedAnnotater = textAnnotater; 100 } 101 102}