com.extjs.gxt.ui.client.data
Class BaseLoader<C,D>

java.lang.Object
  com.extjs.gxt.ui.client.event.BaseObservable
      com.extjs.gxt.ui.client.data.BaseLoader<C,D>

Type Parameters:

C - the config type

D - the data type

All Implemented Interfaces:

Loader<C>, Observable

Direct Known Subclasses:

BaseListLoader, BaseTreeLoader

public class BaseLoader<C,D>
extends BaseObservable
implements Loader<C>

Abstract base loader implementation.

Field Summary

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

BeforeLoad, Load, LoadException

Constructor Summary

BaseLoader(DataProxy<C,D> proxy)
Creates a new base loader instance.

BaseLoader(DataProxy<C,D> proxy, DataReader<C,D> reader)
Creates a new loader with the given proxy and reader.

BaseLoader(DataReader<C,D> reader)
Creates a new base loader instance.

Method Summary

void	addLoadListener(LoadListener listener) Adds a load listener.
DataProxy<C,D>	getProxy() Returns the loader's data proxy.
boolean	isReuseLoadConfig() Returns true if the load config is being reused.
boolean	load() Loads the data using the current configuration.
boolean	load(C loadConfig) Loads the data using the given load configuration.
void	removeLoadListener(LoadListener listener) Removes a load listener.
void	setReuseLoadConfig(boolean reuseLoadConfig) Sets whether the same load config instance should be used for load operations.

Methods inherited from class com.extjs.gxt.ui.client.event.BaseObservable

addListener, fireEvent, fireEvent, getFiresEvents, hasListeners, hasListeners, removeAllListeners, removeListener, setFiresEvents

Methods inherited from class java.lang.Object

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

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

addListener, fireEvent, removeAllListeners, removeListener

Constructor Detail

BaseLoader

public BaseLoader(DataProxy<C,D> proxy)

Creates a new base loader instance.

Parameters:

proxy - the data proxy

BaseLoader

public BaseLoader(DataProxy<C,D> proxy,
                  DataReader<C,D> reader)

Creates a new loader with the given proxy and reader.

Parameters:

proxy - the data proxy

reader - an optional data reader, if null, null will be passed to proxy.load(Reader, Loadconfig, Datacallback)

BaseLoader

public BaseLoader(DataReader<C,D> reader)

Creates a new base loader instance.

Parameters:

reader - the reader

Method Detail

addLoadListener

public void addLoadListener(LoadListener listener)

Description copied from interface: Loader

Adds a load listener.

Specified by:

addLoadListener in interface Loader<C>

Parameters:

listener - the listener to add

getProxy

public DataProxy<C,D> getProxy()

Returns the loader's data proxy.

Returns:

the data proxy

isReuseLoadConfig

public boolean isReuseLoadConfig()

Returns true if the load config is being reused.

Returns:

the reuse load config state

load

public boolean load()

Description copied from interface: Loader

Loads the data using the current configuration.

Specified by:

load in interface Loader<C>

Returns:

true if the load was requested

load

public boolean load(C loadConfig)

Description copied from interface: Loader

Loads the data using the given load configuration.

Specified by:

load in interface Loader<C>

Parameters:

loadConfig - the load config

Returns:

true if the load was requested

removeLoadListener

public void removeLoadListener(LoadListener listener)

Description copied from interface: Loader

Removes a load listener.

Specified by:

removeLoadListener in interface Loader<C>

Parameters:

listener - the listener to remove

setReuseLoadConfig

public void setReuseLoadConfig(boolean reuseLoadConfig)

Sets whether the same load config instance should be used for load operations.

Parameters:

reuseLoadConfig - true to reuse