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/*
* $Id: RadioRenderer.java,v 1.75 2006/01/11 15:28:10 rlubke Exp $
*/
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* https://javaserverfaces.dev.java.net/CDDL.html or
* legal/CDDLv1.0.txt.
* See the License for the specific language governing
* permission and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at legal/CDDLv1.0.txt.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* [Name of File] [ver.__] [Date]
*
* Copyright 2005 Sun Microsystems Inc. All Rights Reserved
*/
// RadioRenderer.java
package com.sun.faces.renderkit.html_basic;
import com.sun.faces.util.Util;
import com.sun.faces.renderkit.RenderKitUtils;
import javax.faces.component.NamingContainer;
import javax.faces.component.UIComponent;
import javax.faces.component.UISelectOne;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.model.SelectItem;
import java.io.IOException;
/**
* ReadoRenderer is a class that renders the current value of
* UISelectOne or UISelectMany component as a list of
* radio buttons
*/
public class RadioRenderer extends SelectManyCheckboxListRenderer {
//
// Protected Constants
//
//
// Class Variables
//
//
// Instance Variables
//
// Attribute Instance Variables
// Relationship Instance Variables
//
// Constructors and Initializers
//
public RadioRenderer() {
super();
}
//
// Class methods
//
//
// General Methods
//
//
// Methods From Renderer
//
protected void renderOption(FacesContext context, UIComponent component,
SelectItem curItem, boolean alignVertical, int itemNumber)
throws IOException {
ResponseWriter writer = context.getResponseWriter();
assert (writer != null);
UISelectOne selectOne = (UISelectOne) component;
Object curValue = selectOne.getSubmittedValue();
if (curValue == null) {
curValue = selectOne.getValue();
}
if (alignVertical) {
writer.writeText("\t", null);
writer.startElement("tr", component);
writer.writeText("\n", null);
}
Class type = String.class;
if (curValue != null) {
type = curValue.getClass();
}
Object itemValue = curItem.getValue();
Object newValue = context.getApplication().getExpressionFactory().
coerceToType(itemValue, type);
// disable the radio button if the attribute is set.
String labelClass = null;
boolean componentDisabled = Util.componentIsDisabled(component);
if (componentDisabled || curItem.isDisabled()) {
labelClass = (String) component.
getAttributes().get("disabledClass");
} else {
labelClass = (String) component.
getAttributes().get("enabledClass");
}
writer.startElement("td", component);
writer.writeText("\n", null);
writer.startElement("input", component);
writer.writeAttribute("type", "radio", "type");
if (newValue.equals(curValue)) {
writer.writeAttribute("checked", Boolean.TRUE, null);
}
writer.writeAttribute("name", component.getClientId(context),
"clientId");
String idString = component.getClientId(context) + NamingContainer.SEPARATOR_CHAR +
Integer.toString(itemNumber);
writer.writeAttribute("id", idString, "id");
writer.writeAttribute("value", (getFormattedValue(context, component,
curItem.getValue())), "value");
// Don't render the disabled attribute twice if the 'parent'
// component is already marked disabled.
if (!Util.componentIsDisabled(component)) {
if (curItem.isDisabled()) {
writer.writeAttribute("disabled", true, "disabled");
}
}
// Apply HTML 4.x attributes specified on UISelectMany component to all
// items in the list except styleClass and style which are rendered as
// attributes of outer most table.
RenderKitUtils.renderPassThruAttributes(context,
writer,
component,
new String[] { "border", "style" });
RenderKitUtils.renderXHTMLStyleBooleanAttributes(writer,
component);
writer.endElement("input");
writer.startElement("label", component);
writer.writeAttribute("for", idString, "for");
// if enabledClass or disabledClass attributes are specified, apply
// it on the label.
if (labelClass != null) {
writer.writeAttribute("class", labelClass, "labelClass");
}
String itemLabel = curItem.getLabel();
if (itemLabel != null) {
writer.writeText(" ", null);
writer.writeText(itemLabel, "label");
}
writer.endElement("label");
writer.endElement("td");
writer.writeText("\n", null);
if (alignVertical) {
writer.writeText("\t", null);
writer.endElement("tr");
writer.writeText("\n", null);
}
}
} // end of class RadioRenderer
