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Controller.java
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Controller.java 3.13 KiB
package controller;
import datastruct.Coordinate;
import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.fxml.FXML;
import javafx.scene.control.Label;
import javafx.scene.control.ToggleButton;
import javafx.scene.control.ToggleGroup;
import javafx.util.Duration;
import model.CellularAutomatonSimulation;
import view.MatrixPane;
import static java.util.Objects.requireNonNull;
/**
* Controller for <i>The Game of Life</i> application.
*/
public class Controller {
public static final int PERIOD_IN_MILLISECONDS = 100;
@FXML
private ToggleButton playToggleButton;
@FXML
private ToggleButton pauseToggleButton;
@FXML
private Label generationNumberLabel;
@FXML
private MatrixPane matrixPane;
private Timeline timeline;
public Simulation getSimulation() {
return simulation;
}
private Simulation simulation;
@FXML
private void initialize() {
initializePlayAndPauseToggleButtons();
updateTimeline();
}
private void initializePlayAndPauseToggleButtons() {
ToggleGroup toggleGroup = new PersistentToggleGroup();
toggleGroup.getToggles().addAll(playToggleButton, pauseToggleButton);
pauseToggleButton.setSelected(true);
}
public void setSimulation(Simulation simulation) {
this.simulation = requireNonNull(simulation, "game of life is null");
setGenerationNumberLabelTextProperty();
initializeMatrixPane();
}
private void setGenerationNumberLabelTextProperty() {
updateGenerationNumber(0);
this.simulation.setGenerationNumberChangeListener(
(oldValue, newValue) -> updateGenerationNumber(newValue)
);
}
private void updateGenerationNumber(int newValue) {
generationNumberLabel.textProperty().set(String.valueOf(newValue));
}
private void initializeMatrixPane() {
matrixPane.initialize(this);
}
@FXML
private void playToggleButtonAction() {
this.play();
}
@FXML
private void pauseToggleButtonAction() {
this.pause();
}
@FXML
private void resetButtonAction() {
this.pause();
simulation.reset();
pauseToggleButton.setSelected(true);
}
@FXML
private void clearButtonAction() {
this.pause();
simulation.clear();
pauseToggleButton.setSelected(true);
}
public Iterable<Coordinate> coordinates() {
return simulation;
}
private void updateTimeline() {
Duration duration = new Duration(Controller.PERIOD_IN_MILLISECONDS);
EventHandler<ActionEvent> eventHandler =
event -> simulation.updateToNextGeneration();
KeyFrame keyFrame = new KeyFrame(duration, eventHandler);
timeline = new Timeline(keyFrame);
timeline.setCycleCount(Animation.INDEFINITE);
}
/**
* Plays the game.
*/
public void play() {
timeline.play();
}
/**
* Pauses the game.
*/
public void pause() {
timeline.pause();
}
}