fdda.dialog
Interface DialogControl

All Known Implementing Classes:

AlgorithmDialogControl, OptionsDialogControl, StatisticsDialogControl

public interface DialogControl

Generic interface for classes that control dialogs.

Author:

Jörg Rüdenauer

Method Summary

boolean	canClose(boolean closedByOK) Returns whether the dialog can be closed.
void	executeCommand(int command) Executes a command (e.g. the user pressed a button).
String	getErrors() If the dialog can't be closed because data is not valid, this method returns an error message for the user.

Method Detail

executeCommand

public void executeCommand(int command)
                    throws NoSuchCommandException

Executes a command (e.g. the user pressed a button).

Parameters:

command - the command ID

Throws:

NoSuchCommandException - if no such command is supported by this dialog control

canClose

public boolean canClose(boolean closedByOK)

Returns whether the dialog can be closed. If parameter is true, checks should be performed whether the current data is valid. If the data is valid and the dialog can be closed, processing may occur before the dialog really closes. To avoid awkward situations, consider processing in an extra thread.

Parameters:

closedByOK - whether the user closed the dialog with a confirming choice

Returns:

whether the dialog can be closed

getErrors

public String getErrors()

If the dialog can't be closed because data is not valid, this method returns an error message for the user.

Returns:

error message