Package dev.zemco.codegame.presentation.problems

Class ProblemListModel

java.lang.Object

dev.zemco.codegame.presentation.problems.ProblemListModel

All Implemented Interfaces:

IProblemListModel

public class ProblemListModel
extends Object
implements IProblemListModel

Implementation of problem list model using problems managed by problem service.

Author:

Erik Zemčík

See Also:

• IProblemListModel

Property Summary

Properties

Type	Property	Description
javafx.beans.value.ObservableObjectValue<javafx.collections.ObservableList<Problem>>	problems	Property holding all problems solvable by the user.
javafx.beans.value.ObservableObjectValue<Problem>	selectedProblem	Property holding the currently selected problem for solving.

Constructor Summary

Constructors

Constructor	Description
ProblemListModel(IProblemService problemService)	Creates an instance of ProblemListModel using problems from the given problem service.

Method Summary

Modifier and Type	Method	Description
javafx.beans.value.ObservableObjectValue<javafx.collections.ObservableList<Problem>>	problemsProperty()	Property holding all problems solvable by the user.
javafx.beans.value.ObservableObjectValue<Problem>	selectedProblemProperty()	Property holding the currently selected problem for solving.
void	selectProblem(Problem problem)	Selects a problem for solving.

Methods inherited from class java.lang.Object

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

Property Details

problems

public javafx.beans.value.ObservableObjectValue<javafx.collections.ObservableList<Problem>> problemsProperty

Specified by:

problemsProperty in interface IProblemListModel

selectedProblem

public javafx.beans.value.ObservableObjectValue<Problem> selectedProblemProperty

Specified by:

selectedProblemProperty in interface IProblemListModel

Constructor Details

ProblemListModel

public ProblemListModel(IProblemService problemService)

Creates an instance of ProblemListModel using problems from the given problem service.

Parameters:

problemService - problem service to use as the source of problems

Throws:

IllegalArgumentException - if problemService is null

Method Details

selectProblem

public void selectProblem(Problem problem)

Description copied from interface: IProblemListModel

Selects a problem for solving. This method accepts null via the problem parameter to indicate that no problem should be selected. All listeners should be notified of a change via the IProblemListModel.selectedProblemProperty().

Specified by:

selectProblem in interface IProblemListModel

Parameters:

problem - problem to select, may be null

problemsProperty

public javafx.beans.value.ObservableObjectValue<javafx.collections.ObservableList<Problem>> problemsProperty()

Description copied from interface: IProblemListModel

Property holding all problems solvable by the user.

Specified by:

problemsProperty in interface IProblemListModel

selectedProblemProperty

public javafx.beans.value.ObservableObjectValue<Problem> selectedProblemProperty()

Description copied from interface: IProblemListModel

Property holding the currently selected problem for solving. This property will emit the selected problem if the selection is changed. This property may hold null when no problem is currently selected.

Specified by:

selectedProblemProperty in interface IProblemListModel