Hi,
Jeremy Thomerson wrote:
> I don't think one was ever created and it fell off my radar. If you create
> one, can you post yours and post a link to it back on this thread?
Here is my implementation for Wicket 1.4 (with generics). It is a
little bit different than Scott's one.
import org.apache.wicket.model.IChainingModel;
import org.apache.wicket.model.IDetachable;
import org.apache.wicket.model.IModel;
/**
* Basic implementation of {...@link IChainingModel} interface.
*
* @author Daniel Stoch
*
*/
public class ChainingModel<T> implements IChainingModel<T> {
/** Any model object (which may or may not implement IModel) */
private Object target;
public ChainingModel(final Object modelObject) {
target = modelObject;
}
@Override
public IModel<?> getChainedModel() {
if (target instanceof IModel<?>) {
return (IModel<?>)target;
}
return null;
}
@Override
public void setChainedModel(IModel<?> model) {
target = model;
}
@SuppressWarnings("unchecked")
public T getObject() {
if (target instanceof IModel) {
return ((IModel<T>)target).getObject();
}
return (T)target;
}
@SuppressWarnings("unchecked")
public void setObject(T object) {
if (target instanceof IModel) {
((IModel<T>)target).setObject(object);
} else {
target = object;
}
}
public void detach() {
// Detach nested object if it's a detachable
if (target instanceof IDetachable) {
((IDetachable)target).detach();
}
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer("Model:classname=[");
sb.append(getClass().getName()).append("]");
sb.append(":nestedModel=[").append(target).append("]");
return sb.toString();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((target == null) ? 0 : target.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
ChainingModel<?> other = (ChainingModel<?>)obj;
if (target == null) {
if (other.target != null) return false;
} else if (!target.equals(other.target)) return false;
return true;
}
}
--
Daniel
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
