org.cruxframework.crux.core.client.dataprovider
Class SyncScrollableDataProvider<T>

java.lang.Object
  org.cruxframework.crux.core.client.dataprovider.SyncScrollableDataProvider<T>

All Implemented Interfaces:

DataProvider<T>, MeasurableDataProvider<T>, SyncDataProvider<T>

public abstract class SyncScrollableDataProvider<T>
extends Object
implements SyncDataProvider<T>

Author:

Thiago da Rosa de Bustamante

Field Summary

protected int	currentRecord
protected DataProviderRecord<T>[]	data
protected boolean	loaded
protected org.cruxframework.crux.core.client.dataprovider.DataProviderOperations<T>	operations
protected SyncDataProviderCallback	synchronousCallback

Constructor Summary

SyncScrollableDataProvider()

Method Summary

void	clearChanges() Undo all changes
protected SynchronousDataProviderEvent<T>	createSynchronousDataProviderEvent()
protected void	ensureLoaded()
void	firstRecord() Points DataProvider to first record
T	getBoundObject() Return a copy of the current record object.
int	getIndex(T boundObject) Retrieve the index of the given object
DataProviderRecord<T>[]	getNewRecords() Return all records inserted on DataProvider
DataProviderRecord<T>	getRecord() Return the DataProviderRecord object, representing the current record
int	getRecordCount()
DataProviderRecord<T>[]	getRemovedRecords() Return all records removed from DataProvider
DataProviderRecord<T>[]	getSelectedRecords() Return all records selected on DataProvider
DataProviderRecord<T>[]	getUpdatedRecords() Return all records modified on DataProvider
boolean	hasNextRecord() Verify if DataProvider has more records.
boolean	hasPreviousRecord() Verify if DataProvider has previous records.
DataProviderRecord<T>	insertRecord(int index) Insert a new record on DataProvider
void	lastRecord()
void	nextRecord() Points DataProvider to next record
void	previousRecord() Points DataProvider to previous record
DataProviderRecord<T>	removeRecord(int index) Remove a record from DataProvider
void	reset() Reset DataProvider, as if it was never loaded before.
void	selectRecord(int index, boolean selected) Mark the given record as selected
void	setCallback(SyncDataProviderCallback callback)
void	sort(Comparator<T> comparator) Sort DataProvider records, based on column informed
protected void	sortArray(DataProviderRecord<T>[] array, Comparator<T> comparator)
protected void	update(DataProviderRecord<T>[] records)
void	updateData(Array<T> data) Method called to bind some data to the DataProvider
void	updateData(List<T> data) Method called to bind some data to the DataProvider
void	updateData(T[] data) Method called to bind some data to the DataProvider
void	updateState(DataProviderRecord<T> record, DataProviderRecord.DataProviderRecordState previousState) Update a record on DataProvider

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.cruxframework.crux.core.client.dataprovider.SyncDataProvider

load

Methods inherited from interface org.cruxframework.crux.core.client.dataprovider.DataProvider

firstRecord, getBoundObject, getRecord, hasNextRecord, hasPreviousRecord, nextRecord, previousRecord, sort, updateData, updateData, updateData

Field Detail

synchronousCallback

protected SyncDataProviderCallback synchronousCallback

operations

protected org.cruxframework.crux.core.client.dataprovider.DataProviderOperations<T> operations

data

protected DataProviderRecord<T>[] data

currentRecord

protected int currentRecord

loaded

protected boolean loaded

Constructor Detail

SyncScrollableDataProvider

public SyncScrollableDataProvider()

Method Detail

clearChanges

public void clearChanges()

Description copied from interface: DataProvider

Undo all changes

Specified by:

clearChanges in interface DataProvider<T>

getNewRecords

public DataProviderRecord<T>[] getNewRecords()

Description copied from interface: DataProvider

Return all records inserted on DataProvider

Specified by:

getNewRecords in interface DataProvider<T>

Returns:

all new records

getRemovedRecords

public DataProviderRecord<T>[] getRemovedRecords()

Description copied from interface: DataProvider

Return all records removed from DataProvider

Specified by:

getRemovedRecords in interface DataProvider<T>

Returns:

all removed records

getSelectedRecords

public DataProviderRecord<T>[] getSelectedRecords()

Description copied from interface: DataProvider

Return all records selected on DataProvider

Specified by:

getSelectedRecords in interface DataProvider<T>

Returns:

all selected records

getUpdatedRecords

public DataProviderRecord<T>[] getUpdatedRecords()

Description copied from interface: DataProvider

Return all records modified on DataProvider

Specified by:

getUpdatedRecords in interface DataProvider<T>

Returns:

all modified records

insertRecord

public DataProviderRecord<T> insertRecord(int index)

Description copied from interface: DataProvider

Insert a new record on DataProvider

Specified by:

insertRecord in interface DataProvider<T>

Returns:

removeRecord

public DataProviderRecord<T> removeRecord(int index)

Description copied from interface: DataProvider

Remove a record from DataProvider

Specified by:

removeRecord in interface DataProvider<T>

Returns:

reset

public void reset()

Description copied from interface: DataProvider

Reset DataProvider, as if it was never loaded before.

Specified by:

reset in interface DataProvider<T>

setCallback

public void setCallback(SyncDataProviderCallback callback)

Specified by:

setCallback in interface SyncDataProvider<T>

selectRecord

public void selectRecord(int index,
                         boolean selected)

Description copied from interface: DataProvider

Mark the given record as selected

Specified by:

selectRecord in interface DataProvider<T>

getIndex

public int getIndex(T boundObject)

Description copied from interface: DataProvider

Retrieve the index of the given object

Specified by:

getIndex in interface DataProvider<T>

Returns:

updateState

public void updateState(DataProviderRecord<T> record,
                        DataProviderRecord.DataProviderRecordState previousState)

Description copied from interface: DataProvider

Update a record on DataProvider

Specified by:

updateState in interface DataProvider<T>

update

protected void update(DataProviderRecord<T>[] records)

createSynchronousDataProviderEvent

protected SynchronousDataProviderEvent<T> createSynchronousDataProviderEvent()

hasNextRecord

public boolean hasNextRecord()

Description copied from interface: DataProvider

Verify if DataProvider has more records.

Specified by:

hasNextRecord in interface DataProvider<T>

Returns:

true if more records exist.

nextRecord

public void nextRecord()

Description copied from interface: DataProvider

Points DataProvider to next record

Specified by:

nextRecord in interface DataProvider<T>

getRecord

public DataProviderRecord<T> getRecord()

Description copied from interface: DataProvider

Return the DataProviderRecord object, representing the current record

Specified by:

getRecord in interface DataProvider<T>

Returns:

current DataProviderRecord object.

hasPreviousRecord

public boolean hasPreviousRecord()

Description copied from interface: DataProvider

Verify if DataProvider has previous records.

Specified by:

hasPreviousRecord in interface DataProvider<T>

Returns:

true if previous records exist.

previousRecord

public void previousRecord()

Description copied from interface: DataProvider

Points DataProvider to previous record

Specified by:

previousRecord in interface DataProvider<T>

sort

public void sort(Comparator<T> comparator)

Description copied from interface: DataProvider

Sort DataProvider records, based on column informed

Specified by:

sort in interface DataProvider<T>

Parameters:

comparator - Comparator used for sorting.

getRecordCount

public int getRecordCount()

Specified by:

getRecordCount in interface MeasurableDataProvider<T>

firstRecord

public void firstRecord()

Description copied from interface: DataProvider

Points DataProvider to first record

Specified by:

firstRecord in interface DataProvider<T>

lastRecord

public void lastRecord()

Specified by:

lastRecord in interface MeasurableDataProvider<T>

getBoundObject

public T getBoundObject()

Description copied from interface: DataProvider

Return a copy of the current record object.

Specified by:

getBoundObject in interface DataProvider<T>

Returns:

updateData

public void updateData(T[] data)

Description copied from interface: DataProvider

Method called to bind some data to the DataProvider

Specified by:

updateData in interface DataProvider<T>

updateData

public void updateData(List<T> data)

Description copied from interface: DataProvider

Method called to bind some data to the DataProvider

Specified by:

updateData in interface DataProvider<T>

updateData

public void updateData(Array<T> data)

Description copied from interface: DataProvider

Method called to bind some data to the DataProvider

Specified by:

updateData in interface DataProvider<T>

ensureLoaded

protected void ensureLoaded()

sortArray

protected void sortArray(DataProviderRecord<T>[] array,
                         Comparator<T> comparator)