001/* 002 * (C) Copyright 2014 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.contentview.jsf.facelets.plugins; 020 021import java.io.Serializable; 022import java.util.ArrayList; 023import java.util.HashMap; 024import java.util.List; 025import java.util.Locale; 026import java.util.Map; 027 028import javax.el.ValueExpression; 029import javax.faces.view.facelets.CompositeFaceletHandler; 030import javax.faces.view.facelets.FaceletContext; 031import javax.faces.view.facelets.FaceletHandler; 032import javax.faces.view.facelets.TagConfig; 033import javax.faces.view.facelets.TagHandler; 034 035import org.nuxeo.ecm.platform.forms.layout.api.Widget; 036import org.nuxeo.ecm.platform.forms.layout.api.WidgetSelectOption; 037import org.nuxeo.ecm.platform.forms.layout.api.impl.WidgetSelectOptionsImpl; 038import org.nuxeo.ecm.platform.forms.layout.facelets.FaceletHandlerHelper; 039import org.nuxeo.ecm.platform.forms.layout.facelets.plugins.AbstractSelectWidgetTypeHandler; 040import org.nuxeo.ecm.platform.ui.web.tag.handler.LeafFaceletHandler; 041import org.nuxeo.ecm.platform.ui.web.util.ComponentTagUtils; 042 043/** 044 * @since 6.0 045 */ 046public abstract class SelectAggregateWidgetTypeHandler extends AbstractSelectWidgetTypeHandler { 047 048 private static final String LABELS = "optionLabels"; 049 050 protected enum AggregatePropertyMappings { 051 itemCount; 052 } 053 054 public SelectAggregateWidgetTypeHandler(TagConfig config) { 055 super(config); 056 } 057 058 @Override 059 protected FaceletHandler getOptionsFaceletHandler(FaceletContext ctx, FaceletHandlerHelper helper, Widget widget, 060 WidgetSelectOption[] selectOptions) { 061 FaceletHandler leaf = new LeafFaceletHandler(); 062 List<FaceletHandler> selectItems = new ArrayList<FaceletHandler>(); 063 FaceletHandler firstItem = getFirstHandler(ctx, helper, widget, leaf); 064 final boolean hasOtherOptions = selectOptions != null && selectOptions.length > 0; 065 if (firstItem != null) { 066 selectItems.add(firstItem); 067 } 068 FaceletHandler widgetPropsHandler = getWidgetPropsHandler(ctx, helper, widget, leaf, hasOtherOptions); 069 if (widgetPropsHandler != null) { 070 selectItems.add(widgetPropsHandler); 071 } 072 return new CompositeFaceletHandler(selectItems.toArray(new FaceletHandler[0])); 073 } 074 075 @Override 076 protected List<String> getExcludedProperties() { 077 List<String> res = super.getExcludedProperties(); 078 for (AggregatePropertyMappings mapping : AggregatePropertyMappings.values()) { 079 res.add(mapping.name()); 080 } 081 return res; 082 } 083 084 @Override 085 protected Map<String, Serializable> getOptionProperties(FaceletContext ctx, Widget widget, 086 WidgetSelectOption selectOption) { 087 Map<String, Serializable> props = super.getOptionProperties(ctx, widget, selectOption); 088 props.put(SelectPropertyMappings.itemLabelSuffix.name(), 089 widget.getProperty(AggregatePropertyMappings.itemCount.name())); 090 return props; 091 } 092 093 // redefined to merge selectOptions property and options put on widget 094 // definition 095 protected FaceletHandler getWidgetPropsHandler(FaceletContext ctx, FaceletHandlerHelper helper, Widget widget, 096 FaceletHandler nextHandler, boolean hasOtherOptions) { 097 098 if (!hasOtherOptions) { 099 return super.getWidgetPropsHandler(ctx, helper, widget, nextHandler); 100 } 101 102 if (shouldAddWidgetPropsHandler(widget)) { 103 final String itemValue = ComponentTagUtils.getBareValueName( 104 (String) widget.getProperty(SelectPropertyMappings.itemValue.name())); 105 final String label = new StringBuilder().append("#{") 106 .append(LABELS) 107 .append("[") 108 .append(itemValue) 109 .append("]}") 110 .toString(); 111 WidgetSelectOption selectOption = new WidgetSelectOptionsImpl( 112 widget.getProperty(SelectPropertyMappings.selectOptions.name()), 113 (String) widget.getProperty(SelectPropertyMappings.var.name()), label, 114 (String) widget.getProperty(SelectPropertyMappings.itemValue.name()), 115 widget.getProperty(SelectPropertyMappings.itemDisabled.name()), 116 widget.getProperty(SelectPropertyMappings.itemRendered.name())); 117 return getOptionFaceletHandler(ctx, helper, widget, selectOption, nextHandler); 118 } 119 return null; 120 } 121 122 @Override 123 protected TagHandler getComponentFaceletHandler(FaceletContext ctx, FaceletHandlerHelper helper, Widget widget, 124 TagHandler componentHandler) { 125 WidgetSelectOption[] selectOptions = widget.getSelectOptions(); 126 if (selectOptions != null && selectOptions.length != 0) { 127 List<String> blockedPatterns = new ArrayList<String>(1); 128 blockedPatterns.add(LABELS); 129 Map<String, String> labels = new HashMap<String, String>(); 130 for (WidgetSelectOption selectOption : selectOptions) { 131 if (selectOption == null) { 132 continue; 133 } 134 Map<String, String> l10n_labels = selectOption.getItemLabels(); 135 boolean done = false; 136 if (l10n_labels != null && !l10n_labels.isEmpty()) { 137 Locale locale = ctx.getFacesContext().getViewRoot().getLocale(); 138 if (l10n_labels.containsKey(locale.getLanguage()) | l10n_labels.containsKey("en")) { 139 if (l10n_labels.containsKey(locale.getLanguage())) { 140 labels.put(selectOption.getItemValue(), l10n_labels.get(locale.getLanguage())); 141 } else { 142 labels.put(selectOption.getItemValue(), l10n_labels.get("en")); 143 } 144 done = true; 145 } 146 } 147 if (!done) { 148 labels.put(selectOption.getItemValue(), selectOption.getItemLabel()); 149 } 150 } 151 Map<String, ValueExpression> variables = new HashMap<String, ValueExpression>(); 152 variables.put(LABELS, ctx.getExpressionFactory().createValueExpression(labels, HashMap.class)); 153 return helper.getAliasTagHandler(widget.getTagConfigId(), variables, blockedPatterns, componentHandler); 154 } else { 155 return componentHandler; 156 } 157 } 158 159}