001/* 002 * (C) Copyright 2010 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.ui.web.renderer; 020 021import java.io.IOException; 022 023import javax.faces.component.EditableValueHolder; 024import javax.faces.component.UIComponent; 025import javax.faces.component.ValueHolder; 026import javax.faces.context.FacesContext; 027import javax.faces.convert.Converter; 028import javax.faces.convert.ConverterException; 029 030import org.apache.commons.logging.Log; 031import org.apache.commons.logging.LogFactory; 032 033import com.sun.faces.renderkit.html_basic.CheckboxRenderer; 034import com.sun.faces.util.RequestStateManager; 035 036/** 037 * Renderer that does not ignore the converter set on the component on submit 038 * 039 * @author Anahide Tchertchian 040 */ 041public class NXCheckboxRenderer extends CheckboxRenderer { 042 043 private static final Log log = LogFactory.getLog(NXCheckboxRenderer.class); 044 045 public static final String RENDERER_TYPE = "javax.faces.NXCheckbox"; 046 047 @Override 048 public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) 049 throws ConverterException { 050 051 String newValue = null; 052 if (submittedValue instanceof Boolean) { 053 newValue = ((Boolean) submittedValue).toString(); 054 } else if (submittedValue instanceof String) { 055 newValue = (String) submittedValue; 056 } else if (submittedValue != null) { 057 log.error("Unsupported submitted value, should be a string or boolean: '" + submittedValue 058 + "' => using false"); 059 } 060 061 Converter converter = null; 062 // If there is a converter attribute, use it to to ask application 063 // instance for a converter with this identifer. 064 if (component instanceof ValueHolder) { 065 converter = ((ValueHolder) component).getConverter(); 066 } 067 068 if (converter != null) { 069 // If the conversion eventually falls to needing to use EL type 070 // coercion, 071 // make sure our special ConverterPropertyEditor knows about this 072 // value. 073 RequestStateManager.set(context, RequestStateManager.TARGET_COMPONENT_ATTRIBUTE_NAME, component); 074 return converter.getAsObject(context, component, newValue); 075 } else { 076 return Boolean.valueOf(newValue); 077 } 078 } 079 080 @Override 081 protected void getEndTextToRender(FacesContext context, UIComponent component, String currentValue) 082 throws IOException { 083 String val = currentValue; 084 // hack to make sure checkbox state is restored correctly from bound value on ajax request 085 if (component instanceof EditableValueHolder && context.getPartialViewContext().isAjaxRequest()) { 086 Object reset = component.getAttributes().get("resetOnAjax"); 087 if ((reset instanceof Boolean && Boolean.TRUE.equals(reset)) 088 || (reset instanceof String && Boolean.parseBoolean((String) reset))) { 089 EditableValueHolder c = (EditableValueHolder) component; 090 c.resetValue(); 091 val = getCurrentValue(context, component); 092 } 093 } 094 super.getEndTextToRender(context, component, val); 095 } 096 097}