/*
* 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.tobago.renderkit.html.scarborough.standard.tag;
import org.apache.myfaces.tobago.component.Attributes;
import org.apache.myfaces.tobago.component.UITextarea;
import org.apache.myfaces.tobago.renderkit.InputRendererBase;
import org.apache.myfaces.tobago.renderkit.css.Classes;
import org.apache.myfaces.tobago.renderkit.css.Style;
import org.apache.myfaces.tobago.renderkit.html.Command;
import org.apache.myfaces.tobago.renderkit.html.CommandMap;
import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
import org.apache.myfaces.tobago.renderkit.util.RenderUtils;
import org.apache.myfaces.tobago.util.ComponentUtils;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.LengthValidator;
import javax.faces.validator.Validator;
import java.io.IOException;
public class TextareaRenderer extends InputRendererBase {
private static final Logger LOG = LoggerFactory.getLogger(TextareaRenderer.class);
@Override
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
if (!(component instanceof UITextarea)) {
LOG.error("Wrong type: Need " + UITextarea.class.getName() + ", but was " + component.getClass().getName());
return;
}
final UITextarea input = (UITextarea) component;
final String title = HtmlRendererUtils.getTitleFromTipAndMessages(facesContext, component);
final String clientId = input.getClientId(facesContext);
final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
writer.startElement(HtmlElements.TEXTAREA, input);
writer.writeNameAttribute(clientId);
writer.writeIdAttribute(clientId);
HtmlRendererUtils.writeDataAttributes(facesContext, writer, input);
final Integer rows = input.getRows();
if (rows != null) {
writer.writeAttribute(HtmlAttributes.ROWS, rows);
}
if (title != null) {
writer.writeAttribute(HtmlAttributes.TITLE, title, true);
}
writer.writeAttribute(HtmlAttributes.READONLY, input.isReadonly());
writer.writeAttribute(HtmlAttributes.DISABLED, input.isDisabled());
writer.writeAttribute(HtmlAttributes.REQUIRED, input.isRequired());
final Integer tabIndex = input.getTabIndex();
if (tabIndex != null) {
writer.writeAttribute(HtmlAttributes.TABINDEX, tabIndex);
}
HtmlRendererUtils.renderDojoDndItem(component, writer, true);
writer.writeClassAttribute(Classes.create(input));
final Style style = new Style(facesContext, input);
writer.writeStyleAttribute(style);
final String onchange = ComponentUtils.getStringAttribute(input, Attributes.ONCHANGE);
if (onchange != null) {
final CommandMap map = new CommandMap();
final Command change = new Command();
change.setScript(onchange);
map.addCommand("change", change);
}
int maxLength = -1;
final String pattern = null;
for (Validator validator : input.getValidators()) {
if (validator instanceof LengthValidator) {
LengthValidator lengthValidator = (LengthValidator) validator;
maxLength = lengthValidator.getMaximum();
}
/*if (validator instanceof RegexValidator) {
RegexValidator regexValidator = (RegexValidator) validator;
pattern = regexValidator.getPattern();
}*/
}
if (maxLength > 0) {
writer.writeAttribute(HtmlAttributes.MAXLENGTH, maxLength);
}
if (pattern != null) {
writer.writeAttribute(HtmlAttributes.PATTERN, pattern, false);
}
HtmlRendererUtils.renderCommandFacet(input, facesContext, writer);
HtmlRendererUtils.renderFocus(clientId, input.isFocus(), ComponentUtils.isError(input), facesContext, writer);
/*String placeholder = input.getPlaceholder();
if (placeholder != null) {
writer.writeAttribute(HtmlAttributes.PLACEHOLDER, placeholder, true);
}*/
String currentValue = RenderUtils.currentValue(input);
if (currentValue != null) {
// this is because browsers eat the first CR+LF of <textarea>
if (currentValue.startsWith("\r\n")) {
currentValue = "\r\n" + currentValue;
} else if (currentValue.startsWith("\n")) {
currentValue = "\n" + currentValue;
} else if (currentValue.startsWith("\r")) {
currentValue = "\r" + currentValue;
}
writer.writeText(currentValue);
}
writer.endElement(HtmlElements.TEXTAREA);
/*if (placeholder != null && !VariableResolverUtils.resolveClientProperties(facesContext)
.getUserAgent().hasCapability(Capability.PLACEHOLDER)) {
HtmlRendererUtils.createPlaceholderDiv(input, currentValue, placeholder, style, writer);
}*/
}
}