001/* 002 * (C) Copyright 2006-2007 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a> 016 * 017 * $Id: DirectorySelectManyWidgetTypeHandler.java 30416 2008-02-21 19:10:37Z atchertchian $ 018 */ 019 020package org.nuxeo.ecm.platform.forms.layout.facelets.plugins; 021 022import java.io.Serializable; 023import java.util.ArrayList; 024import java.util.List; 025import java.util.Map; 026 027import javax.faces.component.html.HtmlColumn; 028import javax.faces.component.html.HtmlDataTable; 029import javax.faces.component.html.HtmlOutputText; 030import javax.faces.component.html.HtmlSelectManyListbox; 031import javax.faces.view.facelets.ComponentHandler; 032import javax.faces.view.facelets.CompositeFaceletHandler; 033import javax.faces.view.facelets.FaceletContext; 034import javax.faces.view.facelets.FaceletHandler; 035import javax.faces.view.facelets.TagAttribute; 036import javax.faces.view.facelets.TagAttributes; 037import javax.faces.view.facelets.TagConfig; 038 039import org.nuxeo.ecm.platform.forms.layout.api.BuiltinWidgetModes; 040import org.nuxeo.ecm.platform.forms.layout.api.FieldDefinition; 041import org.nuxeo.ecm.platform.forms.layout.api.Widget; 042import org.nuxeo.ecm.platform.forms.layout.api.exceptions.WidgetException; 043import org.nuxeo.ecm.platform.forms.layout.facelets.FaceletHandlerHelper; 044import org.nuxeo.ecm.platform.forms.layout.facelets.ValueExpressionHelper; 045import org.nuxeo.ecm.platform.ui.web.component.list.UIEditableList; 046import org.nuxeo.ecm.platform.ui.web.component.seam.UIHtmlText; 047import org.nuxeo.ecm.platform.ui.web.directory.DirectoryEntryOutputComponent; 048 049import com.sun.faces.facelets.tag.TagAttributesImpl; 050 051/** 052 * Select many directory widget 053 * 054 * @author <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a> 055 */ 056public class DirectorySelectManyWidgetTypeHandler extends AbstractDirectorySelectWidgetTypeHandler { 057 058 private static final long serialVersionUID = 1L; 059 060 protected String getEditComponentType() { 061 return HtmlSelectManyListbox.COMPONENT_TYPE; 062 } 063 064 @Override 065 public FaceletHandler getFaceletHandler(FaceletContext ctx, TagConfig tagConfig, Widget widget, 066 FaceletHandler[] subHandlers) throws WidgetException { 067 String mode = widget.getMode(); 068 if (BuiltinWidgetModes.EDIT.equals(mode)) { 069 return super.getFaceletHandler(ctx, tagConfig, widget, subHandlers, getEditComponentType()); 070 } 071 072 FaceletHandlerHelper helper = new FaceletHandlerHelper(ctx, tagConfig); 073 FaceletHandler leaf = getNextHandler(ctx, tagConfig, widget, subHandlers, helper); 074 String widgetName = widget.getName(); 075 String widgetTagConfigId = widget.getTagConfigId(); 076 077 // build value attribute for iteration component 078 String valueAttributeName = "value"; 079 Map<String, Serializable> properties = widget.getProperties(); 080 TagAttribute valueAttr = null; 081 if (properties.containsKey("value")) { 082 valueAttr = helper.createAttribute(valueAttributeName, (String) properties.get("value")); 083 } 084 FieldDefinition[] fields = widget.getFieldDefinitions(); 085 if (fields != null && fields.length > 0) { 086 FieldDefinition field = fields[0]; 087 valueAttr = helper.createAttribute(valueAttributeName, 088 ValueExpressionHelper.createExpressionString(widget.getValueName(), field)); 089 } 090 if (valueAttr == null) { 091 // don't bother 092 return leaf; 093 } 094 095 // build directory item attributes, using widget properties 096 List<TagAttribute> attrs = new ArrayList<TagAttribute>(); 097 for (Map.Entry<String, Serializable> property : properties.entrySet()) { 098 if (!"value".equals(property.getKey())) { 099 Serializable value = property.getValue(); 100 TagAttribute attr = null; 101 if (value instanceof String) { 102 attr = helper.createAttribute(property.getKey(), (String) value); 103 } else if (value != null) { 104 attr = helper.createAttribute(property.getKey(), value.toString()); 105 } 106 if (attr != null) { 107 attrs.add(attr); 108 } 109 } 110 } 111 if (BuiltinWidgetModes.isLikePlainMode(mode)) { 112 attrs.add(helper.createAttribute("value", "#{model.rowData}")); 113 } else { 114 attrs.add(helper.createAttribute("value", "#{item}")); 115 } 116 TagAttributes dirEntryAttrs = FaceletHandlerHelper.getTagAttributes(attrs); 117 ComponentHandler dirEntry = helper.getHtmlComponentHandler(widgetTagConfigId, dirEntryAttrs, leaf, 118 DirectoryEntryOutputComponent.COMPONENT_TYPE, null); 119 120 if (BuiltinWidgetModes.isLikePlainMode(mode)) { 121 // use an iteration and a comma to separate items instead of an 122 // HTML table component 123 TagAttributes commaAttributes = FaceletHandlerHelper.getTagAttributes( 124 helper.createAttribute("value", ", "), 125 helper.createAttribute("rendered", "#{model.rowIndex < model.rowCount}")); 126 ComponentHandler commaHandler = helper.getHtmlComponentHandler(widgetTagConfigId, commaAttributes, leaf, 127 HtmlOutputText.COMPONENT_TYPE, null); 128 129 CompositeFaceletHandler childHandler = new CompositeFaceletHandler(new FaceletHandler[] { dirEntry, 130 commaHandler }); 131 132 TagAttributes itAttributes = FaceletHandlerHelper.getTagAttributes(valueAttr, 133 helper.createAttribute("model", "model")); 134 ComponentHandler itHandler = helper.getHtmlComponentHandler(widgetTagConfigId, itAttributes, childHandler, 135 UIEditableList.COMPONENT_TYPE, null); 136 137 return itHandler; 138 } else { 139 // build a standard table 140 ComponentHandler columnEntry = helper.getHtmlComponentHandler(widgetTagConfigId, 141 FaceletHandlerHelper.getTagAttributes(), dirEntry, HtmlColumn.COMPONENT_TYPE, null); 142 143 TagAttributes iterationAttributes = FaceletHandlerHelper.getTagAttributes( 144 helper.createIdAttribute(widgetName), valueAttr, helper.createAttribute("var", "item")); 145 146 ComponentHandler table = helper.getHtmlComponentHandler(widgetTagConfigId, iterationAttributes, 147 columnEntry, HtmlDataTable.COMPONENT_TYPE, null); 148 149 if (BuiltinWidgetModes.PDF.equals(mode)) { 150 // add a surrounding p:html tag handler 151 return helper.getHtmlComponentHandler(widgetTagConfigId, new TagAttributesImpl(new TagAttribute[0]), 152 table, UIHtmlText.class.getName(), null); 153 } else { 154 return table; 155 } 156 } 157 } 158}