org.apache.tapestry.form
Class DefaultOptionRenderer

java.lang.Object
  org.apache.tapestry.form.DefaultOptionRenderer

All Implemented Interfaces:

IOptionRenderer

public class DefaultOptionRenderer
extends Object
implements IOptionRenderer

The default implementation of IOptionRenderer which is used by the PropertySelection component if no other renderer is specified in the component parameters.

Field Summary

static IOptionRenderer

DEFAULT_INSTANCE Default instance used by PropertySelection if no custom renderer is specified.

Constructor Summary

DefaultOptionRenderer()

Method Summary

protected boolean	isEqual(Object left, Object right)
void	renderOptions(IMarkupWriter writer, IRequestCycle cycle, IPropertySelectionModel model, Object selected) Called after the initial <select> tag has been rendered.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_INSTANCE

public static final IOptionRenderer DEFAULT_INSTANCE

Default instance used by PropertySelection if no custom renderer is specified.

Constructor Detail

DefaultOptionRenderer

public DefaultOptionRenderer()

Method Detail

renderOptions

public void renderOptions(IMarkupWriter writer,
                          IRequestCycle cycle,
                          IPropertySelectionModel model,
                          Object selected)

Called after the initial <select> tag has been rendered. It is expected that implementations will then do whatever is necessary to render each option available in the model and defer writing the end </select> to the calling component.

Specified by:

renderOptions in interface IOptionRenderer

Parameters:

writer - The markup writer to use.

cycle - The associated cycle.

model - Model containing values / labels / etc..

selected - The currently selected object value, if any. Will be null if no value is currently selected.

isEqual

protected boolean isEqual(Object left,
                          Object right)