Java Doc for DataLoader.java in  » Ajax » MyGWT » net » mygwt » ui » client » data » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Ajax » MyGWT » net.mygwt.ui.client.data   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    net.mygwt.ui.client.util.Observable       net.mygwt.ui.client.data.DataLoader DataLoader public class DataLoader extends Observable implements Loader(Code) DataLoaders are used to retrieve and convert raw data. Data is retrieved using a DataProxy and optionally read and parsed using a DataReader. Events: BeforeLoad : (loader, config) Fires before a load operation. Listeners can set the doit field to false to cancel the action. loader : this config : the load config Load : (loader, config, result) Fires after the button is selected. loader : this config : the load config result : the load result LoadException : (loader, config, result) Fires after the button is selected. loader : this config : the load config result : the load result See Also:   DataProxy See Also:   DataReader Field Summary public  int totalLength      totalLength specifies the total number of records which may not equal the local elements when using paging. Constructor Summary public   DataLoader(DataProxy proxy)      Creates a new loader instance with the given proxy. public   DataLoader(DataProxy proxy, DataReader reader)      Creates a new loader with the given proxy and reader. Method Summary public  Object getData()      Returns the last data from the last load. public  List getElements()      Returns the elements from the last load as a list. public  LoadConfig getLastConfig()      public  boolean getRemoteSort()      public  int getSortDir()      public  String getSortField()      public  int getTotalLength()      public  void load()      Loads the data. public  void load(int start, int limit)      Loads the data using the specified start and limit parameters. public  void load(LoadConfig config)      protected  void onReceivedResult(LoadResult result)      public  void reload()      Reloads using the last load config. public  void setRemoteSort(boolean remoteSort)      Sets if sorting is handled by the server. public  void setSortDir(int sortDir)      public  void setSortField(String sortField)      public  void sort(String sortField, int sortDir)      Field Detail totalLength public int totalLength(Code) totalLength specifies the total number of records which may not equal the local elements when using paging. Constructor Detail DataLoader public DataLoader(DataProxy proxy)(Code) Creates a new loader instance with the given proxy. A reader is not specified and will not be passed to the proxy at load time. Parameters:   proxy - the data proxy DataLoader public DataLoader(DataProxy proxy, DataReader reader)(Code) Creates a new loader with the given proxy and reader. Parameters:   proxy - the data proxy Parameters:   reader - the data reader Method Detail getData public Object getData()(Code) Returns the last data from the last load. the remote data getElements public List getElements()(Code) Returns the elements from the last load as a list. DataLoader.getData() the elements getLastConfig public LoadConfig getLastConfig()(Code) getRemoteSort public boolean getRemoteSort()(Code) getSortDir public int getSortDir()(Code) getSortField public String getSortField()(Code) getTotalLength public int getTotalLength()(Code) load public void load()(Code) Loads the data. load public void load(int start, int limit)(Code) Loads the data using the specified start and limit parameters. Parameters:   start - the start mark Parameters:   limit - the limit mark load public void load(LoadConfig config)(Code) onReceivedResult protected void onReceivedResult(LoadResult result)(Code) reload public void reload()(Code) Reloads using the last load config. setRemoteSort public void setRemoteSort(boolean remoteSort)(Code) Sets if sorting is handled by the server. Defult value is false. Parameters:   remoteSort - true to enable server side sorting setSortDir public void setSortDir(int sortDir)(Code) setSortField public void setSortField(String sortField)(Code) sort public void sort(String sortField, int sortDir)(Code) Fields inherited from net.mygwt.ui.client.util.Observable public EventTable eventTable(Code)(Java Doc) Methods inherited from net.mygwt.ui.client.util.Observable public void addListener(int eventType, Listener listener)(Code)(Java Doc) public boolean fireEvent(int eventType)(Code)(Java Doc) public boolean fireEvent(int eventType, BaseEvent be)(Code)(Java Doc) public void removeAllListeners()(Code)(Java Doc) public void removeListener(int eventType, Listener listener)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)