javax.ide.command

Interface UpdateHandler

public interface UpdateHandler

UpdateHandlers decide when actions are enabled or disabled based on a context.

Method Summary

Modifier and Type	Method and Description
boolean	update(IDEAction action, Context context) Update the specified action based on the specified context.

Method Detail

update

boolean update(IDEAction action,
               Context context)

Update the specified action based on the specified context. Typically an implementation will evaluate the context and enable or disable the action using IDEAction.setEnabled( boolean ).

Parameters:

action - the action to update.

context - the context to use for the update.

Returns:

true if this handler changed the state of the action.