/*
* 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.slider;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.WidgetBuilder;
public class SliderRenderer extends CoreRenderer{
@Override
public void decode(FacesContext context, UIComponent component) {
decodeBehaviors(context, component);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Slider slider = (Slider) component;
encodeMarkup(context, slider);
encodeScript(context, slider);
}
protected void encodeMarkup(FacesContext context, Slider slider) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = slider.getClientId(context);
writer.startElement("div", slider);
writer.writeAttribute("id", clientId , "id");
if(slider.getStyle() != null) writer.writeAttribute("style", slider.getStyle() , null);
if(slider.getStyleClass() != null) writer.writeAttribute("class", slider.getStyleClass(), null);
writer.endElement("div");
}
protected void encodeScript(FacesContext context, Slider slider) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = slider.getClientId(context);
boolean range = slider.isRange();
UIComponent output = getTarget(context, slider, slider.getDisplay());
WidgetBuilder wb = getWidgetBuilder(context);
wb.initWithDomReady("Slider", slider.resolveWidgetVar(), clientId);
if(range) {
String[] inputIds = slider.getFor().split(",");
UIComponent inputMin = getTarget(context, slider, inputIds[0].trim());
UIComponent inputMax = getTarget(context, slider, inputIds[1].trim());
String inputMinValue = ComponentUtils.getValueToRender(context, inputMin);
String inputMaxValue = ComponentUtils.getValueToRender(context, inputMax);
wb.attr("input", inputMin.getClientId(context) + "," + inputMax.getClientId(context))
.append(",values:[").append(inputMinValue).append(",").append(inputMaxValue).append("]");
}
else {
UIComponent input = getTarget(context, slider, slider.getFor());
wb.attr("value", ComponentUtils.getValueToRender(context, input))
.attr("input", input.getClientId(context));
}
wb.attr("min", slider.getMinValue())
.attr("max", slider.getMaxValue())
.attr("animate", slider.isAnimate())
.attr("step", slider.getStep())
.attr("orientation", slider.getType())
.attr("disabled", slider.isDisabled(), false)
.attr("range", range)
.attr("displayTemplate", slider.getDisplayTemplate(), null)
.callback("onSlideStart", "function(event,ui)", slider.getOnSlideStart())
.callback("onSlide", "function(event,ui)", slider.getOnSlide())
.callback("onSlideEnd", "function(event,ui)", slider.getOnSlideEnd());
if(output != null) {
wb.attr("display", output.getClientId(context));
}
encodeClientBehaviors(context, slider);
wb.finish();
}
protected UIComponent getTarget(FacesContext context, Slider slider, String target) {
if(target == null) {
return null;
}
else {
UIComponent targetComponent = SearchExpressionFacade.resolveComponent(context, slider, target);
return targetComponent;
}
}
}