Package com.github.bordertech.wcomponents

Class AbstractTreeItemModel

java.lang.Object

com.github.bordertech.wcomponents.AbstractTreeItemModel

All Implemented Interfaces:

TreeItemModel, Serializable

Direct Known Subclasses:

EmptyTreeItemModel

public abstract class AbstractTreeItemModel
extends Object
implements TreeItemModel

A skeleton implementation of TreeItemModel used with WTree.

Since:

1.1.0

Author:

Jonathan Austin

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.github.bordertech.wcomponents.TreeItemModel

TreeItemModel.ShuffleType

Constructor Summary

Constructors

Constructor	Description
AbstractTreeItemModel()

Method Summary

Modifier and Type	Method	Description
String	getItemId(List<Integer> row)	Retrieves the rows unique item id at the given row.
TreeItemImage	getItemImage(List<Integer> row)	Retrieves the value at the given row.
TreeItemModel.ShuffleType	getItemShuffleType(List<Integer> row)
boolean	hasChildren(List<Integer> row)	Allows the model to report if the row has children without actually having to determine the number of children (as it might not be known).
boolean	isDisabled(List<Integer> row)	Indicates whether the given row is disabled.
boolean	isExpandable(List<Integer> row)	Indicates whether the given row is expandable.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.github.bordertech.wcomponents.TreeItemModel

getChildCount, getItemLabel, getRowCount

Constructor Detail

AbstractTreeItemModel

public AbstractTreeItemModel()

Method Detail

isDisabled

public boolean isDisabled(List<Integer> row)

Indicates whether the given row is disabled.

Specified by:

isDisabled in interface TreeItemModel

Parameters:

row - the row index

Returns:

true if the row is disabled, false otherwise.

isExpandable

public boolean isExpandable(List<Integer> row)

Indicates whether the given row is expandable.

Specified by:

isExpandable in interface TreeItemModel

Parameters:

row - the row index

Returns:

true if the row is expandable, false otherwise.

getItemImage

public TreeItemImage getItemImage(List<Integer> row)

Retrieves the value at the given row.

Specified by:

getItemImage in interface TreeItemModel

Parameters:

row - - the row index.

Returns:

the value at the given row.

getItemId

public String getItemId(List<Integer> row)

Retrieves the rows unique item id at the given row.

Specified by:

getItemId in interface TreeItemModel

Parameters:

row - - the row index.

Returns:

the value at the given row.

getItemShuffleType

public TreeItemModel.ShuffleType getItemShuffleType(List<Integer> row)

Specified by:

getItemShuffleType in interface TreeItemModel

Parameters:

row - the row index

Returns:

the shuffle type for this item

hasChildren

public boolean hasChildren(List<Integer> row)

Allows the model to report if the row has children without actually having to determine the number of children (as it might not be known).

Specified by:

hasChildren in interface TreeItemModel

Parameters:

row - the row index

Returns:

true if the row has children