org.apache.tapestry5.corelib.components: public class: Radio

org.apache.tapestry5.corelib.components
public class: Radio [javadoc | source]

java.lang.Object
   org.apache.tapestry5.corelib.components.Radio

All Implemented Interfaces:
Field

A radio button (i.e., <input type="radio">). Radio buttons must operate within a RadioContainer (normally, the RadioGroup component).

If the value parameter is not bound, then the default value is a property of the container component whose name matches the Radio component's id.
Method from org.apache.tapestry5.corelib.components.Radio Summary:
afterRender, beginRender, defaultLabel, getClientId, getControlName, getLabel, isDisabled, isRequired
Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Method from org.apache.tapestry5.corelib.components.Radio Detail:

void afterRender(MarkupWriter writer)
{ writer.end(); }
void beginRender(MarkupWriter writer)
{ String value = container.toClient(this.value); clientId = renderSupport.allocateClientId(resources); controlName = container.getControlName(); writer.element("input", "type", "radio", "id", clientId, "name", controlName, "value", value); if (container.isSelected(this.value)) writer.attributes("checked", "checked"); }
String defaultLabel()
{ return defaultProvider.defaultLabel(resources); }
public String getClientId()
{ return clientId; }
public String getControlName()
{ return controlName; }
Returns the control name provided by the containing org.apache.tapestry5.RadioContainer .
public String getLabel()
{ return label; }
public boolean isDisabled()
{ return disabled || container.isDisabled(); }
Returns true if this component has been expressly disabled (via its disabled parameter), or if the container has been disabled.
public boolean isRequired()
{ return false; }
Returns false; the RadioComponent component does not support declarative field validation.