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org.primefaces.component.selectonebutton.SelectOneButtonRenderer Maven / Gradle / Ivy
/*
* Copyright 2009-2013 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.selectonebutton;
import java.io.IOException;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.component.UINamingContainer;
import javax.faces.component.UISelectOne;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import javax.faces.model.SelectItem;
import org.primefaces.renderkit.SelectOneRenderer;
import org.primefaces.util.HTML;
import org.primefaces.util.WidgetBuilder;
public class SelectOneButtonRenderer extends SelectOneRenderer {
@Override
public Object getConvertedValue(FacesContext context, UIComponent component, Object submittedValue) throws ConverterException {
return context.getRenderKit().getRenderer("javax.faces.SelectOne", "javax.faces.Radio").getConvertedValue(context, component, submittedValue);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
SelectOneButton button = (SelectOneButton) component;
encodeMarkup(context, button);
encodeScript(context, button);
}
protected void encodeMarkup(FacesContext context, SelectOneButton button) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String clientId = button.getClientId(context);
String style = button.getStyle();
String styleClass = button.getStyleClass();
styleClass = styleClass == null ? SelectOneButton.STYLE_CLASS : SelectOneButton.STYLE_CLASS + " " + styleClass;
styleClass = !button.isValid() ? styleClass + " ui-state-error" : styleClass;
writer.startElement("div", button);
writer.writeAttribute("id", clientId, "id");
writer.writeAttribute("class", styleClass, "styleClass");
if(style != null) {
writer.writeAttribute("style", style, "style");
}
encodeSelectItems(context, button);
writer.endElement("div");
}
protected void encodeSelectItems(FacesContext context, SelectOneButton button) throws IOException {
List selectItems = getSelectItems(context, button);
int selectItemsSize = selectItems.size();
Converter converter = button.getConverter();
String name = button.getClientId(context);
Object value = button.getSubmittedValue();
if(value == null) {
value = button.getValue();
}
Class type = value == null ? String.class : value.getClass();
int idx = -1;
for(SelectItem selectItem : selectItems) {
idx++;
boolean disabled = selectItem.isDisabled() || button.isDisabled();
String id = name + UINamingContainer.getSeparatorChar(context) + idx;
Object coercedItemValue = coerceToModelType(context, selectItem.getValue(), type);
boolean selected = (coercedItemValue != null) && coercedItemValue.equals(value);
encodeOption(context, button, selectItem, id, name, converter, selected, disabled, idx, selectItemsSize);
}
}
protected void encodeOption(FacesContext context, SelectOneButton button, SelectItem option, String id, String name, Converter converter, boolean selected, boolean disabled, int idx, int size) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String itemValueAsString = getOptionAsString(context, button, converter, option.getValue());
String buttonStyle = HTML.BUTTON_TEXT_ONLY_BUTTON_FLAT_CLASS;
if(idx == 0)
buttonStyle = buttonStyle + " ui-corner-left";
else if(idx == (size - 1))
buttonStyle = buttonStyle + " ui-corner-right";
buttonStyle = selected ? buttonStyle + " ui-state-active" : buttonStyle;
buttonStyle = disabled ? buttonStyle + " ui-state-disabled" : buttonStyle;
//button
writer.startElement("div", null);
writer.writeAttribute("class", buttonStyle, null);
if(option.getDescription() != null) writer.writeAttribute("title", option.getDescription(), null);
//input
writer.startElement("input", null);
writer.writeAttribute("id", id, null);
writer.writeAttribute("name", name, null);
writer.writeAttribute("type", "radio", null);
writer.writeAttribute("value", itemValueAsString, null);
writer.writeAttribute("class", "ui-helper-hidden", null);
if(selected) writer.writeAttribute("checked", "checked", null);
if(disabled) writer.writeAttribute("disabled", "disabled", null);
if(button.getOnchange() != null) writer.writeAttribute("onchange", button.getOnchange(), null);
writer.endElement("input");
//item label
writer.startElement("span", null);
writer.writeAttribute("class", HTML.BUTTON_TEXT_CLASS, null);
writer.writeText(option.getLabel(), "itemLabel");
writer.endElement("span");
writer.endElement("div");
}
protected void encodeScript(FacesContext context, SelectOneButton button) throws IOException {
String clientId = button.getClientId(context);
WidgetBuilder wb = getWidgetBuilder(context);
wb.init("SelectOneButton", button.resolveWidgetVar(), clientId);
encodeClientBehaviors(context, button);
wb.finish();
}
@Override
protected String getSubmitParam(FacesContext context, UISelectOne selectOne) {
return selectOne.getClientId(context);
}
}