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ilog.rules.teamserver.web.tree
Interface IlrTreeStateProvider

All Known Implementing Classes:

IlrDefaultTreeStateProvider

public interface IlrTreeStateProvider

A tree state provider is a representation of the current state of the tree component.

This provider handles the expand/collapse state and the current selection.

See Also:

IlrTreeController.getTreeStateProvider()

Method Summary

void	collapseNode(String nodeId) Collapses the node with a given ID.
void	expandNode(String nodeId) Expands the node with a given ID.
String	getSelectedNodeId() Returns the ID of the currently selected node.
boolean	isExpanded(String nodeId) Indicates if a node with a given ID is expanded or collapsed.
boolean	isSelected(String nodeId) Indicates if the node with a given ID is selected.
void	reset() Resets the state of the tree component.
void	selectNode(String nodeId) Selects the node with a given ID.

Method Detail

isExpanded

boolean isExpanded(String nodeId)

Indicates if a node with a given ID is expanded or collapsed.

Parameters:

nodeId - The ID of the node.

Returns:

true if the node with a given ID is expanded, and false otherwise.

expandNode

void expandNode(String nodeId)

Expands the node with a given ID.

Parameters:

nodeId - The ID of the node.

collapseNode

void collapseNode(String nodeId)

Collapses the node with a given ID.

Parameters:

nodeId - The ID of the node.

getSelectedNodeId

String getSelectedNodeId()

Returns the ID of the currently selected node.

Returns:

The ID of the currently selected node, or null if no node is selected.

See Also:

selectNode(String)

selectNode

void selectNode(String nodeId)

Selects the node with a given ID.

Parameters:

nodeId - The ID of the node.

See Also:

getSelectedNodeId()

isSelected

boolean isSelected(String nodeId)

Indicates if the node with a given ID is selected.

Parameters:

nodeId - The ID of the node.

Returns:

true if the node with a given ID is selected, and false otherwise.

See Also:

selectNode(String)

reset

void reset()

Resets the state of the tree component.