org.gwt.advanced.client.datamodel

Class LazyTreeGridDataModel.DelegateLazyGridDataModel

java.lang.Object

org.gwt.advanced.client.datamodel.SimpleGridDataModel

org.gwt.advanced.client.datamodel.EditableGridDataModel

org.gwt.advanced.client.datamodel.LazyGridDataModel

org.gwt.advanced.client.datamodel.LazyTreeGridDataModel.DelegateLazyGridDataModel

All Implemented Interfaces:

Editable, GridDataModel, LazyLoadable, Pageable

Enclosing class:

LazyTreeGridDataModel

protected class LazyTreeGridDataModel.DelegateLazyGridDataModel
extends LazyGridDataModel

This is a delegate class for lazy tree rows creation.

Author:

Sergey Skladchikov

Nested Class Summary

Nested classes/interfaces inherited from class org.gwt.advanced.client.datamodel.EditableGridDataModel

EditableGridDataModel.RowComparator

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LazyTreeGridDataModel.DelegateLazyGridDataModel(DataModelCallbackHandler<Editable> handler) Creates a new instance of the class.
	LazyTreeGridDataModel.DelegateLazyGridDataModel(Object[][] data, LazyTreeGridDataModel source) Creates a new instance of the delegate.

Method Summary

Methods

Modifier and Type	Method and Description
protected EditableModelEvent	createEvent(EditableModelEvent.EventType eventType) Creates a new model event.
protected EditableModelEvent	createEvent(EditableModelEvent.EventType eventType, int row, int column) Creates a new model event.
protected GridRow	createGridRow(int columnCount) Overriden to create lazy rows.
protected void	prepareEvent(EditableModelEvent event) This method prepares the specified event for sending, initilizing necessary fields.

Methods inherited from class org.gwt.advanced.client.datamodel.LazyGridDataModel

addRow, getEndRow, getInternalRowIdentifier, getRowData, getTotalRowCount, isEmpty, removeAll, removeRow, setSortColumn, setTotalRowCount, update, updateRow

Methods inherited from class org.gwt.advanced.client.datamodel.EditableGridDataModel

addColumn, addColumn, addListener, checkColumnNumber, checkRowNumber, clearRemovedRows, createRowComparator, fireColumnEvent, fireEvent, fireRowEvent, getColumnNames, getColumnNamesList, getColumns, getData, getDataList, getGridColumn, getHandler, getListeners, getRemovedRows, getRow, getRows, getSublist, getTotalColumnCount, normalizeColumnsCount, normalizeRowsCount, prepareData, removeColumn, removeColumn, removeListener, setColumNames, setHandler, update, updateColumn, updateColumn

Methods inherited from class org.gwt.advanced.client.datamodel.SimpleGridDataModel

getCurrentPageNumber, getDisplayedPages, getEndPage, getPageable, getPageSize, getSortColumn, getStartPage, getStartRow, getTotalPagesNumber, isAscending, setAscending, setCurrentPageNumber, setDisplayedPages, setPageable, setPageSize, setSortColumn, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gwt.advanced.client.datamodel.GridDataModel

getSortColumn, getStartRow, isAscending, setAscending, setSortColumn

Methods inherited from interface org.gwt.advanced.client.datamodel.Pageable

getCurrentPageNumber, getDisplayedPages, getEndPage, getPageSize, getStartPage, getTotalPagesNumber, setCurrentPageNumber, setDisplayedPages, setPageSize

Constructor Detail

LazyTreeGridDataModel.DelegateLazyGridDataModel

public LazyTreeGridDataModel.DelegateLazyGridDataModel(Object[][] data,
                                               LazyTreeGridDataModel source)

Creates a new instance of the delegate.

Parameters:

data - is a data to store in the delegate.

source - is a soirce of model events.

LazyTreeGridDataModel.DelegateLazyGridDataModel

protected LazyTreeGridDataModel.DelegateLazyGridDataModel(DataModelCallbackHandler<Editable> handler)

Creates a new instance of the class.

Parameters:

handler - is a handler required for synchronization.

Method Detail

createGridRow

protected GridRow createGridRow(int columnCount)

Overriden to create lazy rows.

Overrides:

createGridRow in class EditableGridDataModel

Parameters:

columnCount - is a column count.

Returns:

a lazy tree row instance.

prepareEvent

protected void prepareEvent(EditableModelEvent event)

This method prepares the specified event for sending, initilizing necessary fields.

Overrides:

prepareEvent in class EditableGridDataModel

Parameters:

event - is an event to be prepared.

createEvent

protected EditableModelEvent createEvent(EditableModelEvent.EventType eventType)

Creates a new model event.

Subclasses can override this method to support their own event classes.

Overrides:

createEvent in class EditableGridDataModel

Parameters:

eventType - is an event type.

Returns:

a newly constructed event.

createEvent

protected EditableModelEvent createEvent(EditableModelEvent.EventType eventType,
                             int row,
                             int column)

Creates a new model event.

Subclasses can override this method to support their own event classes.

Overrides:

createEvent in class EditableGridDataModel

Parameters:

eventType - is an event type.

row - is a row number.

column - is a column number.

Returns:

a newly constructed event.