com.google.gwt.view.client

Class TreeViewModel.DefaultNodeInfo<T>

java.lang.Object

com.google.gwt.view.client.TreeViewModel.DefaultNodeInfo<T>

All Implemented Interfaces:

TreeViewModel.NodeInfo<T>

Enclosing interface:

TreeViewModel

public static class TreeViewModel.DefaultNodeInfo<T>
extends Object
implements TreeViewModel.NodeInfo<T>

Default implementation of TreeViewModel.NodeInfo.

Constructor Summary

Constructors

Constructor and Description
DefaultNodeInfo(AbstractDataProvider<T> dataProvider, Cell<T> cell) Construct a new TreeViewModel.DefaultNodeInfo.
DefaultNodeInfo(AbstractDataProvider<T> dataProvider, Cell<T> cell, SelectionModel<? super T> selectionModel, CellPreviewEvent.Handler<T> selectionEventManager, ValueUpdater<T> valueUpdater) Construct a new TreeViewModel.DefaultNodeInfo.
DefaultNodeInfo(AbstractDataProvider<T> dataProvider, Cell<T> cell, SelectionModel<? super T> selectionModel, ValueUpdater<T> valueUpdater) Construct a new TreeViewModel.DefaultNodeInfo.

Method Summary

Modifier and Type	Method and Description
Cell<T>	getCell() Get the Cell used to render the children of this node.
ProvidesKey<T>	getProvidesKey() Return the key provider for children of this node.
SelectionModel<? super T>	getSelectionModel() Get the SelectionModel used for the children of this node.
ValueUpdater<T>	getValueUpdater() Get the value updater associated with the cell.
void	setDataDisplay(HasData<T> display) Set the display that is listening to this TreeViewModel.NodeInfo.
void	unsetDataDisplay() Unset the display from the TreeViewModel.NodeInfo.

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Constructor Detail

DefaultNodeInfo

public DefaultNodeInfo(AbstractDataProvider<T> dataProvider,
                       Cell<T> cell)

Construct a new TreeViewModel.DefaultNodeInfo.

Parameters:

dataProvider - the AbstractDataProvider that provides the child values

cell - the Cell used to render the child values

DefaultNodeInfo

public DefaultNodeInfo(AbstractDataProvider<T> dataProvider,
                       Cell<T> cell,
                       SelectionModel<? super T> selectionModel,
                       ValueUpdater<T> valueUpdater)

Construct a new TreeViewModel.DefaultNodeInfo.

Parameters:

dataProvider - the AbstractDataProvider that provides the child values

cell - the Cell used to render the child values update when the selection changes

selectionModel - the SelectionModel used for selection

valueUpdater - the ValueUpdater

DefaultNodeInfo

public DefaultNodeInfo(AbstractDataProvider<T> dataProvider,
                       Cell<T> cell,
                       SelectionModel<? super T> selectionModel,
                       CellPreviewEvent.Handler<T> selectionEventManager,
                       ValueUpdater<T> valueUpdater)

Construct a new TreeViewModel.DefaultNodeInfo.

Parameters:

dataProvider - the AbstractDataProvider that provides the child values

cell - the Cell used to render the child values update when the selection changes

selectionModel - the SelectionModel used for selection

selectionEventManager - the CellPreviewEvent.Handler that handles user selection interaction

valueUpdater - the ValueUpdater

Method Detail

getCell

public Cell<T> getCell()

Description copied from interface: TreeViewModel.NodeInfo

Get the Cell used to render the children of this node.

Specified by:

getCell in interface TreeViewModel.NodeInfo<T>

Returns:

the Cell

getProvidesKey

public ProvidesKey<T> getProvidesKey()

Description copied from interface: TreeViewModel.NodeInfo

Return the key provider for children of this node.

Specified by:

getProvidesKey in interface TreeViewModel.NodeInfo<T>

Returns:

the ProvidesKey

getSelectionModel

public SelectionModel<? super T> getSelectionModel()

Description copied from interface: TreeViewModel.NodeInfo

Get the SelectionModel used for the children of this node. To unify selection across all items of the same type, or across the entire tree, return the same instance of SelectionModel from all TreeViewModel.NodeInfo.

Specified by:

getSelectionModel in interface TreeViewModel.NodeInfo<T>

Returns:

the SelectionModel

getValueUpdater

public ValueUpdater<T> getValueUpdater()

Description copied from interface: TreeViewModel.NodeInfo

Get the value updater associated with the cell.

Specified by:

getValueUpdater in interface TreeViewModel.NodeInfo<T>

Returns:

the value updater

setDataDisplay

public void setDataDisplay(HasData<T> display)

Description copied from interface: TreeViewModel.NodeInfo

Set the display that is listening to this TreeViewModel.NodeInfo. The implementation should attach the display to the source of data.

Specified by:

setDataDisplay in interface TreeViewModel.NodeInfo<T>

Parameters:

display - the HasData

unsetDataDisplay

public void unsetDataDisplay()

Description copied from interface: TreeViewModel.NodeInfo

Unset the display from the TreeViewModel.NodeInfo. The implementation should detach the display from the source of data.

Specified by:

unsetDataDisplay in interface TreeViewModel.NodeInfo<T>