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 * Jean-Marc Orliaguet, Chalmers 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.theme.webengine.fm.extensions; 023 024import java.io.ByteArrayInputStream; 025import java.io.IOException; 026import java.io.StringWriter; 027import java.io.Writer; 028import java.util.ArrayList; 029import java.util.HashMap; 030import java.util.List; 031import java.util.Map; 032 033import javax.xml.parsers.DocumentBuilderFactory; 034import javax.xml.parsers.ParserConfigurationException; 035 036import org.w3c.dom.DOMException; 037import org.w3c.dom.Document; 038import org.w3c.dom.NamedNodeMap; 039import org.w3c.dom.Node; 040import org.w3c.dom.NodeList; 041import org.xml.sax.SAXException; 042 043import freemarker.core.Environment; 044import freemarker.template.TemplateDirectiveBody; 045import freemarker.template.TemplateDirectiveModel; 046import freemarker.template.TemplateException; 047import freemarker.template.TemplateModel; 048import freemarker.template.TemplateModelException; 049 050/** 051 * @author <a href="mailto:jmo@chalmers.se">Jean-Marc Orliaguet</a> 052 */ 053public class NXThemesTabsDirective implements TemplateDirectiveModel { 054 055 @SuppressWarnings("unchecked") 056 public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) 057 throws TemplateException, IOException { 058 059 if (loopVars.length != 0) { 060 throw new TemplateModelException("This directive doesn't allow loop variables."); 061 } 062 if (body == null) { 063 throw new TemplateModelException("Expected a body"); 064 } 065 066 Map<String, String> attributes = Utils.getTemplateDirectiveParameters(params); 067 String identifier = attributes.get("identifier"); 068 String styleClass = attributes.get("styleClass"); 069 String controlledBy = attributes.get("controlledBy"); 070 071 // view 072 final Map<String, Object> view = new HashMap<String, Object>(); 073 view.put("id", identifier); 074 final Map<String, Object> widget = new HashMap<String, Object>(); 075 widget.put("type", "tabs"); 076 if (styleClass != null) { 077 widget.put("styleClass", styleClass); 078 } 079 if (null != controlledBy) { 080 view.put("controllers", controlledBy.split(",")); 081 } 082 083 StringWriter sw = new StringWriter(); 084 body.render(sw); 085 String content = String.format("<tabs>%s</tabs>", sw.getBuffer().toString()); 086 087 final List<Map<String, String>> items = new ArrayList<Map<String, String>>(); 088 089 // Parse the XML content 090 final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); 091 try { 092 Document doc = dbf.newDocumentBuilder().parse(new ByteArrayInputStream(content.getBytes())); 093 NodeList itemList = doc.getElementsByTagName("tab"); 094 for (int i = 0; i < itemList.getLength(); i++) { 095 Node itemNode = itemList.item(i); 096 NamedNodeMap attrs = itemNode.getAttributes(); 097 Node link = attrs.getNamedItem("link"); 098 Node label = attrs.getNamedItem("label"); 099 Node switchTo = attrs.getNamedItem("switchTo"); 100 Map<String, String> itemMap = new HashMap<String, String>(); 101 if (link != null) { 102 itemMap.put("link", link.getNodeValue()); 103 } 104 if (label != null) { 105 itemMap.put("label", label.getNodeValue()); 106 } 107 if (switchTo != null) { 108 itemMap.put("switchTo", switchTo.getNodeValue()); 109 } 110 items.add(itemMap); 111 } 112 } catch (ParserConfigurationException | SAXException | DOMException e) { 113 } 114 115 widget.put("items", items); 116 view.put("widget", widget); 117 118 Writer writer = env.getOut(); 119 writer.write(String.format("<ins class=\"view\">%s</ins>", org.nuxeo.theme.html.Utils.toJson(view))); 120 121 } 122}