org.primefaces.component.radiobutton.RadioButtonRenderer Maven / Gradle / Ivy
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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.radiobutton;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.component.selectoneradio.SelectOneRadio;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.renderkit.InputRenderer;
import org.primefaces.util.HTML;
import org.primefaces.util.SharedStringBuilder;
public class RadioButtonRenderer extends InputRenderer {
private static final String SB_BUILD_EVENT = RadioButtonRenderer.class.getName() + "#buildEvent";
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
RadioButton radioButton = (RadioButton) component;
SelectOneRadio selectOneRadio = (SelectOneRadio) SearchExpressionFacade.resolveComponent(
context, radioButton, radioButton.getFor());
encodeMarkup(context, radioButton, selectOneRadio);
}
protected void encodeMarkup(FacesContext context, RadioButton radio, SelectOneRadio selectOneRadio) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String masterClientId = selectOneRadio.getClientId(context);
String inputId = selectOneRadio.getRadioButtonId(context);
String clientId = radio.getClientId(context);
boolean disabled = radio.isDisabled() || selectOneRadio.isDisabled();
String style = radio.getStyle();
String defaultStyleClass = selectOneRadio.isPlain() ? HTML.RADIOBUTTON_NATIVE_CLASS : HTML.RADIOBUTTON_CLASS;
String styleClass = radio.getStyleClass();
styleClass = styleClass == null ? defaultStyleClass : defaultStyleClass + " " + styleClass;
writer.startElement("div", null);
writer.writeAttribute("id", clientId, null);
writer.writeAttribute("class", styleClass, null);
if (style != null) {
writer.writeAttribute("style", style, null);
}
encodeOptionInput(context, selectOneRadio, radio, inputId, masterClientId, disabled);
encodeOptionOutput(context, disabled, selectOneRadio);
writer.endElement("div");
}
protected void encodeOptionInput(FacesContext context, SelectOneRadio radio, RadioButton button, String id, String name,
boolean disabled) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String tabindex = button.getTabindex();
if (tabindex == null) {
tabindex = radio.getTabindex();
}
writer.startElement("div", null);
writer.writeAttribute("class", "ui-helper-hidden-accessible", null);
writer.startElement("input", null);
writer.writeAttribute("id", id + "_clone", null);
writer.writeAttribute("name", name, null);
writer.writeAttribute("type", "radio", null);
writer.writeAttribute("class", "ui-radio-clone", null);
writer.writeAttribute("data-itemindex", button.getItemIndex(), null);
if (tabindex != null) writer.writeAttribute("tabindex", tabindex, null);
if (disabled) writer.writeAttribute("disabled", "disabled", null);
String onchange = buildEvent(context, radio, button, "onchange", "change", "valueChange");
if (!isValueBlank(onchange)) {
writer.writeAttribute("onchange", onchange, null);
}
String onclick = buildEvent(context, radio, button, "onclick", "click", "click");
if (!isValueBlank(onclick)) {
writer.writeAttribute("onclick", onclick, null);
}
writer.endElement("input");
writer.endElement("div");
}
protected String buildEvent(FacesContext context, SelectOneRadio radio, RadioButton button, String domEvent, String behaviorEvent,
String behaviorEventAlias) {
String radioEvent = buildDomEvent(context, radio, domEvent, behaviorEvent, behaviorEventAlias, null);
String buttonEvent = buildDomEvent(context, button, domEvent, behaviorEvent, behaviorEventAlias, null);
StringBuilder eventBuilder = SharedStringBuilder.get(context, SB_BUILD_EVENT);
if (radioEvent != null) {
eventBuilder.append(radioEvent);
}
if (buttonEvent != null) {
eventBuilder.append(buttonEvent);
}
return eventBuilder.toString();
}
protected void encodeOptionOutput(FacesContext context, boolean disabled, SelectOneRadio selectOneRadio) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String boxClass = HTML.RADIOBUTTON_BOX_CLASS;
boxClass = disabled ? boxClass + " ui-state-disabled" : boxClass;
boxClass = !selectOneRadio.isValid() ? boxClass + " ui-state-error" : boxClass;
writer.startElement("div", null);
writer.writeAttribute("class", boxClass, null);
writer.startElement("span", null);
writer.writeAttribute("class", HTML.RADIOBUTTON_UNCHECKED_ICON_CLASS, null);
writer.endElement("span");
writer.endElement("div");
}
}