com.extjs.gxt.ui.client.data
Interface TreeLoader<M extends ModelData>

Type Parameters:

M - the ModelData of the models being returned by the loader

All Superinterfaces:

Loader<java.util.List<M>>, Observable

All Known Subinterfaces:

RemoteSortTreeLoader<M>

All Known Implementing Classes:

BaseRemoteSortTreeLoader, BaseTreeLoader

public interface TreeLoader<M extends ModelData>
extends Loader<java.util.List<M>>

A Loader for trees.

Field Summary

Fields inherited from interface com.extjs.gxt.ui.client.data.Loader

BeforeLoad, Load, LoadException

Method Summary

boolean	hasChildren(M parent) Returns whether the given model has children.
boolean	loadChildren(M parent) Initiates a load request for the parent's children.

Methods inherited from interface com.extjs.gxt.ui.client.data.Loader

addLoadListener, load, load, removeLoadListener

Methods inherited from interface com.extjs.gxt.ui.client.event.Observable

addListener, fireEvent, getListeners, hasListeners, hasListeners, removeAllListeners, removeListener

Method Detail

hasChildren

boolean hasChildren(M parent)

Returns whether the given model has children.

Parameters:

parent - the parent model

Returns:

true if the given parent has children, and false if it has no children

loadChildren

boolean loadChildren(M parent)

Initiates a load request for the parent's children.

Parameters:

parent - the parent

Returns:

true if the load was requested