001/* 002 * (C) Copyright 2013 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 * Anahide Tchertchian 018 */ 019package org.nuxeo.ecm.platform.forms.layout.facelets.dev; 020 021import java.io.IOException; 022 023import javax.el.ELException; 024import javax.faces.FacesException; 025import javax.faces.component.UIComponent; 026import javax.faces.view.facelets.FaceletContext; 027import javax.faces.view.facelets.FaceletException; 028import javax.faces.view.facelets.TagAttribute; 029import javax.faces.view.facelets.TagAttributes; 030import javax.faces.view.facelets.TagConfig; 031import javax.faces.view.facelets.TagHandler; 032 033import org.nuxeo.ecm.platform.forms.layout.api.BuiltinModes; 034import org.nuxeo.ecm.platform.forms.layout.api.Layout; 035import org.nuxeo.ecm.platform.forms.layout.facelets.FaceletHandlerHelper; 036import org.nuxeo.ecm.platform.ui.web.tag.handler.TagConfigFactory; 037 038import com.sun.faces.facelets.tag.ui.DecorateHandler; 039 040/** 041 * Dev tag handler for layouts, retrieving the template on the layout definition (or its type definition) using the 042 * template defined in mode {@link BuiltinModes#DEV}. 043 * <p> 044 * When no template is defined, this handler is skipped. 045 * 046 * @since 6.0 047 */ 048public class LayoutDevTagHandler extends TagHandler { 049 050 protected final TagConfig config; 051 052 protected final TagAttribute layout; 053 054 public LayoutDevTagHandler(TagConfig config) { 055 super(config); 056 this.config = config; 057 this.layout = getRequiredAttribute("layout"); 058 } 059 060 @Override 061 public void apply(FaceletContext ctx, UIComponent parent) throws IOException, FacesException, FaceletException, 062 ELException { 063 Layout layoutInstance = (Layout) layout.getObject(ctx, Layout.class); 064 FaceletHandlerHelper helper = new FaceletHandlerHelper(config); 065 TagAttribute templateAttr = helper.createAttribute("template", layoutInstance.getDevTemplate()); 066 TagAttributes attributes = FaceletHandlerHelper.getTagAttributes(templateAttr); 067 String widgetTagConfigId = layoutInstance.getTagConfigId(); 068 TagConfig config = TagConfigFactory.createTagConfig(this.config, widgetTagConfigId, attributes, nextHandler); 069 DecorateHandler includeHandler = new DecorateHandler(config); 070 includeHandler.apply(ctx, parent); 071 } 072 073}