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package renderkits.renderkit.xul;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import java.io.IOException;
import java.util.Iterator;
import java.util.logging.Level;
/**
* Arbitrary grouping "renderer" that simply renders its children
* recursively in the <code>encodeEnd()</code> method.
*
*/
public class GroupRenderer extends BaseRenderer {
//
// Protected Constants
//
//
// Class Variables
//
//
// Instance Variables
//
// Attribute Instance Variables
// Relationship Instance Variables
//
// Constructors and Initializers
//
public GroupRenderer() {
super();
}
//
// Class methods
//
//
// General Methods
//
//
// Methods From Renderer
//
public boolean getRendersChildren() {
return true;
}
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException {
if (logger.isLoggable(Level.FINER)) {
logger.log(Level.FINER, "Begin encoding component " +
component.getId());
}
// suppress rendering if "rendered" property on the component is
// false.
if (!component.isRendered()) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("End encoding component " +
component.getId() + " since " +
"rendered attribute is set to false ");
}
return;
}
String
style = (String) component.getAttributes().get("style"),
styleClass = (String) component.getAttributes().get("styleClass"),
captionClass =
(String) component.getAttributes().get("captionClass"),
captionLabel =
(String) component.getAttributes().get("captionLabel");
ResponseWriter writer = context.getResponseWriter();
writer.writeText("\n", null);
writer.startElement("groupbox", component);
writeIdAttributeIfNecessary(context, writer, component);
if (styleClass != null) {
writer.writeAttribute("class", styleClass, "styleClass");
}
if (style != null) {
writer.writeAttribute("style", style, "style");
}
if (captionLabel != null) {
writer.writeText("\n", null);
writer.startElement("caption", component);
writer.writeAttribute("label", captionLabel, "captionLabel");
if (captionClass != null) {
writer.writeAttribute("class", captionClass, "captionClass");
}
writer.endElement("caption");
}
writer.writeText("\n", null);
}
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException {
if (logger.isLoggable(Level.FINER)) {
logger.log(Level.FINER,
"Begin encoding children " + component.getId());
}
// suppress rendering if "rendered" property on the component is
// false.
if (!component.isRendered()) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("End encoding component " +
component.getId() + " since " +
"rendered attribute is set to false ");
}
return;
}
// Render our children recursively
Iterator kids = getChildren(component);
while (kids.hasNext()) {
encodeRecursive(context, (UIComponent) kids.next());
}
if (logger.isLoggable(Level.FINER)) {
logger.log(Level.FINER,
"End encoding children " + component.getId());
}
}
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException {
if (context == null || component == null) {
// PENDING - i18n
throw new NullPointerException("'context' and/or 'component is null");
}
// suppress rendering if "rendered" property on the component is
// false.
if (!component.isRendered()) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("End encoding component " +
component.getId() + " since " +
"rendered attribute is set to false ");
}
return;
}
ResponseWriter writer = context.getResponseWriter();
writer.endElement("groupbox");
writer.writeText("\n", null);
if (logger.isLoggable(Level.FINER)) {
logger.log(Level.FINER, "End encoding component " +
component.getId());
}
}
}