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org.primefaces.component.rating.RatingRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2014 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.rating;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.renderkit.InputRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.WidgetBuilder;
public class RatingRenderer extends InputRenderer {
@Override
public void decode(FacesContext context, UIComponent component) {
Rating rating = (Rating) component;
if(rating.isDisabled()||rating.isReadonly()) {
return;
}
String clientId = rating.getClientId();
String submittedValue = context.getExternalContext().getRequestParameterMap().get(clientId + "_input");
rating.setSubmittedValue(submittedValue);
decodeBehaviors(context, rating);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Rating rating = (Rating) component;
encodeMarkup(context, rating);
encodeScript(context, rating);
}
private void encodeScript(FacesContext context, Rating rating) throws IOException {
String clientId = rating.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("Rating", rating.resolveWidgetVar(), clientId)
.callback("onRate", "function(value)", rating.getOnRate())
.attr("readonly", rating.isReadonly(), false)
.attr("disabled", rating.isDisabled(), false);
encodeClientBehaviors(context, rating);
wb.finish();
}
protected void encodeMarkup(FacesContext context, Rating rating) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = rating.getClientId(context);
String valueToRender = ComponentUtils.getValueToRender(context, rating);
Integer value = isValueBlank(valueToRender) ? null : Integer.valueOf(valueToRender);
int stars = rating.getStars();
boolean disabled = rating.isDisabled();
boolean readonly = rating.isReadonly();
String style = rating.getStyle();
String styleClass = rating.getStyleClass();
styleClass = styleClass == null ? Rating.CONTAINER_CLASS : Rating.CONTAINER_CLASS + " " + styleClass;
if(disabled) {
styleClass = styleClass + " ui-state-disabled";
}
writer.startElement("div", rating);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, null);
if(style != null) {
writer.writeAttribute("style", style, null);
}
if(rating.isCancel() && !disabled && !readonly) {
encodeIcon(context, Rating.CANCEL_CLASS);
}
for(int i = 0; i < stars; i++) {
String starClass = (value != null && i < value.intValue()) ? Rating.STAR_ON_CLASS : Rating.STAR_CLASS;
encodeIcon(context, starClass);
}
encodeInput(context, clientId + "_input", valueToRender);
writer.endElement("div");
}
protected void encodeIcon(FacesContext context, String styleClass) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("div", null);
writer.writeAttribute("class", styleClass, null);
writer.startElement("a", null);
writer.endElement("a");
writer.endElement("div");
}
protected void encodeInput(FacesContext context, String id, String value) throws IOException {
ResponseWriter writer = context.getResponseWriter();
writer.startElement("input", null);
writer.writeAttribute("type", "hidden", null);
writer.writeAttribute("id", id, null);
writer.writeAttribute("name", id, null);
writer.writeAttribute("autocomplete", "off", null);
if(value != null) {
writer.writeAttribute("value", value, null);
}
writer.endElement("input");
}
}