org.richfaces.component.state
Interface TreeStateAdvisor

public interface TreeStateAdvisor

Author:

Nick Belaevski - mailto:nbelaevski@exadel.com created 19.06.2007 This interface is intended to "advising" changes to tree state. Tree component should queue user-provided instance of the interface for changes during RENDER_RESPONSE phase. Changes advised by user should be immediately applied. Advisor methods are provided with UITree component instance to queue current tree state.

Method Summary

java.lang.Boolean	adviseNodeOpened(UITree tree) Advises new node opened/closed state
java.lang.Boolean	adviseNodeSelected(UITree tree) Advises new node selection

Method Detail

adviseNodeOpened

java.lang.Boolean adviseNodeOpened(UITree tree)

Advises new node opened/closed state

Parameters:

tree - UITree component state to queue state

Returns:

• null if changes are not needed
• Boolean.TRUE to advise node to be opened
• Boolean.FALSE to advise node to be closed

adviseNodeSelected

java.lang.Boolean adviseNodeSelected(UITree tree)

Advises new node selection

Parameters:

tree - UITree component state to queue state

Returns:

• null if changes are not needed
• Boolean.TRUE to advise current node to be selected
• Boolean.FALSE to advise current node to be unselected