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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
/**
* Copyright 2009-2018 PrimeTek.
*
* Licensed 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.primefaces.component.editor;
import java.io.IOException;
import java.util.Map;
import java.util.logging.Logger;
import javax.faces.application.Resource;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.AgentUtils;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.WidgetBuilder;
public class EditorRenderer extends CoreRenderer {
private final static Logger logger = Logger.getLogger(EditorRenderer.class.getName());
@Override
public void decode(FacesContext context, UIComponent component) {
Editor editor = (Editor) component;
String inputParam = editor.getClientId(context) + "_input";
Map params = context.getExternalContext().getRequestParameterMap();
String value = params.get(inputParam);
if (value != null && value.equals("
")) {
value = "";
}
editor.setSubmittedValue(value);
}
@Override
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
Editor editor = (Editor) component;
encodeMarkup(facesContext, editor);
encodeScript(facesContext, editor);
}
protected void encodeMarkup(FacesContext context, Editor editor) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = editor.getClientId(context);
String valueToRender = ComponentUtils.getValueToRender(context, editor);
String inputId = clientId + "_input";
String style = editor.getStyle();
style = style == null ? "visibility:hidden" : "visibility:hidden;" + style;
writer.startElement("div", editor);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("style", style, null);
if (editor.getStyleClass() != null) {
writer.writeAttribute("class", editor.getStyleClass(), null);
}
writer.startElement("textarea", null);
writer.writeAttribute("id", inputId, null);
writer.writeAttribute("name", inputId, null);
if (valueToRender != null) {
writer.write(valueToRender);
}
writer.endElement("textarea");
writer.endElement("div");
}
private void encodeScript(FacesContext context, Editor editor) throws IOException {
String clientId = editor.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("Editor", editor.resolveWidgetVar(), clientId)
.attr("disabled", editor.isDisabled(), false)
.attr("invalid", editor.isValid(), true)
.attr("controls", editor.getControls(), null)
.attr("width", editor.getWidth(), Integer.MIN_VALUE)
.attr("height", editor.getHeight(), Integer.MIN_VALUE)
.attr("maxlength", editor.getMaxlength(), Integer.MAX_VALUE)
.callback("change", "function(e)", editor.getOnchange());
if (AgentUtils.isIE(context)) {
Resource resource = context.getApplication().getResourceHandler().createResource("editor/editor-ie.css", "primefaces");
wb.attr("docCSSFile", resource.getRequestPath());
}
if (editor.getMaxlength() != Integer.MAX_VALUE) {
logger.info("Maxlength option is deprecated and will be removed in a future version.");
}
wb.finish();
}
@Override
public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException {
Editor editor = (Editor) component;
String value = (String) submittedValue;
Converter converter = ComponentUtils.getConverter(context, component);
if (converter != null) {
return converter.getAsObject(context, editor, value);
}
return value;
}
}