| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.myfaces.renderkit.html.base; |
| |
| import org.apache.myfaces.renderkit.html.util.HtmlRendererUtils; |
| import org.apache.myfaces.renderkit.html.util.ClientBehaviorRendererUtils; |
| import org.apache.myfaces.renderkit.html.util.CommonPropertyUtils; |
| import org.apache.myfaces.renderkit.html.util.CommonEventUtils; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.faces.component.UIComponent; |
| import javax.faces.component.UIInput; |
| import javax.faces.component.UIOutput; |
| import javax.faces.component.behavior.ClientBehavior; |
| import javax.faces.component.behavior.ClientBehaviorHolder; |
| import javax.faces.component.html.HtmlInputTextarea; |
| import javax.faces.context.FacesContext; |
| import javax.faces.context.ResponseWriter; |
| import javax.faces.convert.ConverterException; |
| |
| import org.apache.myfaces.renderkit.RendererUtils; |
| import org.apache.myfaces.renderkit.html.util.ResourceUtils; |
| import org.apache.myfaces.renderkit.html.util.HTML; |
| import org.apache.myfaces.renderkit.html.util.JSFAttr; |
| |
| public class HtmlTextareaRendererBase extends HtmlRenderer |
| { |
| private static final String ADD_NEW_LINE_AT_START_ATTR = "org.apache.myfaces.addNewLineAtStart"; |
| |
| @Override |
| public void encodeEnd(FacesContext facesContext, UIComponent uiComponent) throws IOException |
| { |
| RendererUtils.checkParamValidity(facesContext, uiComponent, UIInput.class); |
| |
| Map<String, List<ClientBehavior>> behaviors = null; |
| if (uiComponent instanceof ClientBehaviorHolder) |
| { |
| behaviors = ((ClientBehaviorHolder) uiComponent).getClientBehaviors(); |
| if (!behaviors.isEmpty()) |
| { |
| ResourceUtils.renderDefaultJsfJsInlineIfNecessary(facesContext, |
| facesContext.getResponseWriter()); |
| } |
| } |
| |
| encodeTextArea(facesContext, uiComponent); |
| |
| } |
| |
| protected void encodeTextArea(FacesContext facesContext, UIComponent uiComponent) throws IOException |
| { |
| //allow subclasses to render custom attributes by separating rendering begin and end |
| renderTextAreaBegin(facesContext, uiComponent); |
| renderTextAreaValue(facesContext, uiComponent); |
| renderTextAreaEnd(facesContext, uiComponent); |
| |
| } |
| |
| //Subclasses can set the value of an attribute before, or can render a custom attribute after calling this method |
| protected void renderTextAreaBegin(FacesContext facesContext, UIComponent uiComponent) throws IOException |
| { |
| ResponseWriter writer = facesContext.getResponseWriter(); |
| writer.startElement(HTML.TEXTAREA_ELEM, uiComponent); |
| |
| Map<String, List<ClientBehavior>> behaviors = null; |
| if (uiComponent instanceof ClientBehaviorHolder) |
| { |
| behaviors = ((ClientBehaviorHolder) uiComponent).getClientBehaviors(); |
| if (!behaviors.isEmpty()) |
| { |
| HtmlRendererUtils.writeIdAndName(writer, uiComponent, facesContext); |
| } |
| else |
| { |
| HtmlRendererUtils.writeIdIfNecessary(writer, uiComponent, facesContext); |
| writer.writeAttribute(HTML.NAME_ATTR, uiComponent.getClientId(facesContext), null); |
| } |
| long commonPropertiesMarked = 0L; |
| if (isCommonPropertiesOptimizationEnabled(facesContext)) |
| { |
| commonPropertiesMarked = CommonPropertyUtils.getCommonPropertiesMarked(uiComponent); |
| } |
| if (behaviors.isEmpty() && isCommonPropertiesOptimizationEnabled(facesContext)) |
| { |
| CommonPropertyUtils.renderChangeEventProperty(writer, |
| commonPropertiesMarked, uiComponent); |
| CommonPropertyUtils.renderEventProperties(writer, |
| commonPropertiesMarked, uiComponent); |
| CommonPropertyUtils.renderFieldEventPropertiesWithoutOnchange(writer, |
| commonPropertiesMarked, uiComponent); |
| } |
| else |
| { |
| HtmlRendererUtils.renderBehaviorizedOnchangeEventHandler(facesContext, writer, uiComponent, behaviors); |
| if (isCommonEventsOptimizationEnabled(facesContext)) |
| { |
| Long commonEventsMarked = CommonEventUtils.getCommonEventsMarked(uiComponent); |
| CommonEventUtils.renderBehaviorizedEventHandlers(facesContext, writer, |
| commonPropertiesMarked, commonEventsMarked, uiComponent, behaviors); |
| CommonEventUtils.renderBehaviorizedFieldEventHandlersWithoutOnchange( |
| facesContext, writer, commonPropertiesMarked, commonEventsMarked, uiComponent, behaviors); |
| } |
| else |
| { |
| HtmlRendererUtils.renderBehaviorizedEventHandlers(facesContext, writer, uiComponent, behaviors); |
| HtmlRendererUtils.renderBehaviorizedFieldEventHandlersWithoutOnchange( |
| facesContext, writer, uiComponent, behaviors); |
| } |
| } |
| if (isCommonPropertiesOptimizationEnabled(facesContext)) |
| { |
| CommonPropertyUtils.renderCommonFieldPassthroughPropertiesWithoutDisabledAndEvents(writer, |
| CommonPropertyUtils.getCommonPropertiesMarked(uiComponent), uiComponent); |
| HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.TEXTAREA_ATTRIBUTES); |
| } |
| else |
| { |
| HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, |
| HTML.TEXTAREA_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED_AND_EVENTS); |
| } |
| } |
| else |
| { |
| HtmlRendererUtils.writeIdIfNecessary(writer, uiComponent, facesContext); |
| writer.writeAttribute(HTML.NAME_ATTR, uiComponent.getClientId(facesContext), null); |
| if (isCommonPropertiesOptimizationEnabled(facesContext)) |
| { |
| CommonPropertyUtils.renderCommonFieldPassthroughPropertiesWithoutDisabled(writer, |
| CommonPropertyUtils.getCommonPropertiesMarked(uiComponent), uiComponent); |
| HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, HTML.TEXTAREA_ATTRIBUTES); |
| } |
| else |
| { |
| HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent, |
| HTML.TEXTAREA_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED); |
| } |
| } |
| |
| if (isDisabled(facesContext, uiComponent)) |
| { |
| writer.writeAttribute(HTML.DISABLED_ATTR, Boolean.TRUE, null); |
| } |
| } |
| |
| //Subclasses can override the writing of the "text" value of the textarea |
| protected void renderTextAreaValue(FacesContext facesContext, UIComponent uiComponent) throws IOException |
| { |
| ResponseWriter writer = facesContext.getResponseWriter(); |
| |
| Object addNewLineAtStart = uiComponent.getAttributes().get(ADD_NEW_LINE_AT_START_ATTR); |
| if (addNewLineAtStart != null) |
| { |
| boolean addNewLineAtStartBoolean = false; |
| if (addNewLineAtStart instanceof String) |
| { |
| addNewLineAtStartBoolean = Boolean.valueOf((String)addNewLineAtStart); |
| } |
| else if (addNewLineAtStart instanceof Boolean) |
| { |
| addNewLineAtStartBoolean = (Boolean) addNewLineAtStart; |
| } |
| if (addNewLineAtStartBoolean) |
| { |
| writer.writeText("\n", null); |
| } |
| } |
| |
| String strValue = RendererUtils.getStringValue(facesContext, uiComponent); |
| if (strValue != null) |
| { |
| writer.writeText(strValue, JSFAttr.VALUE_ATTR); |
| } |
| } |
| |
| protected void renderTextAreaEnd(FacesContext facesContext, |
| UIComponent uiComponent) throws IOException |
| { |
| facesContext.getResponseWriter().endElement(HTML.TEXTAREA_ELEM); |
| } |
| |
| protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent) |
| { |
| if (uiComponent instanceof HtmlInputTextarea) |
| { |
| return ((HtmlInputTextarea)uiComponent).isDisabled(); |
| } |
| |
| return RendererUtils.getBooleanAttribute(uiComponent, HTML.DISABLED_ATTR, false); |
| } |
| |
| @Override |
| public void decode(FacesContext facesContext, UIComponent component) |
| { |
| RendererUtils.checkParamValidity(facesContext, component, UIInput.class); |
| |
| HtmlRendererUtils.decodeUIInput(facesContext, component); |
| if (component instanceof ClientBehaviorHolder && !HtmlRendererUtils.isDisabled(component)) |
| { |
| ClientBehaviorRendererUtils.decodeClientBehaviors(facesContext, component); |
| } |
| } |
| |
| @Override |
| public Object getConvertedValue(FacesContext facesContext, UIComponent uiComponent, Object submittedValue) |
| throws ConverterException |
| { |
| RendererUtils.checkParamValidity(facesContext, uiComponent, UIOutput.class); |
| return RendererUtils.getConvertedUIOutputValue(facesContext, |
| (UIOutput)uiComponent, |
| submittedValue); |
| } |
| |
| } |