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‎aima-gui/src/main/java/aima/gui/fx/demo/search/games/ConnectFourApp.java‎

Lines changed: 183 additions & 183 deletions
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package aima.gui.fx.demo.search.games;
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import java.util.Observable;
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import aima.gui.fx.framework.IntegrableApplication;
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import javafx.beans.binding.Bindings;
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import javafx.geometry.HPos;
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import javafx.geometry.Insets;
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import javafx.scene.control.Button;
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import javafx.scene.control.ComboBox;
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import javafx.scene.control.Label;
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import javafx.scene.control.Separator;
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import javafx.scene.control.ToolBar;
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import javafx.scene.layout.BorderPane;
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import javafx.scene.layout.ColumnConstraints;
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import javafx.scene.layout.GridPane;
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import javafx.scene.layout.Pane;
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import javafx.scene.layout.RowConstraints;
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import javafx.scene.paint.Color;
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import javafx.scene.shape.Circle;
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/**
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* Starter of the JavaFX version of the Connect Four game with integrated
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* artificial intelligence player. It uses Minimax search with Alpha-Beta
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* pruning and an iterative deepening strategy to meet the specified time
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* constraints.
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*
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* @author Ruediger Lunde
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*/
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public class ConnectFourApp extends IntegrableApplication {
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public static void main(String[] args) {
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launch(args);
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}
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private ConnectFourModel model;
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// create attributes for all parts of the application which need to be
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// accessed by listeners, inner classes, and helper methods
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private Button clearBtn;
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private ComboBox<String> strategyCombo;
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private ComboBox<String> timeCombo;
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private Button proposeBtn;
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private Label statusBar;
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private Button[] colBtns;
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private Circle[] disks;
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@Override
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public String getTitle() {
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return "Connect Four App";
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}
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@Override
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public Pane createRootPane() {
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model = new ConnectFourModel();
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BorderPane root = new BorderPane();
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ToolBar toolBar = new ToolBar();
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toolBar.setStyle("-fx-background-color: rgb(0, 0, 200)");
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clearBtn = new Button("Clear");
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clearBtn.setOnAction(ev -> model.initGame());
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strategyCombo = new ComboBox<String>();
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strategyCombo.getItems().addAll("Iterative Deepening Alpha-Beta", "Advanced Alpha-Beta");
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strategyCombo.getSelectionModel().select(0);
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timeCombo = new ComboBox<String>();
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timeCombo.getItems().addAll("2sec", "4sec", "6sec", "8sec");
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timeCombo.getSelectionModel().select(1);
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proposeBtn = new Button("Propose Move");
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proposeBtn.setOnAction(ev -> model.proposeMove((timeCombo.getSelectionModel().getSelectedIndex() + 1) * 2,
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strategyCombo.getSelectionModel().getSelectedIndex()));
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toolBar.getItems().addAll(clearBtn, new Separator(), strategyCombo, timeCombo, proposeBtn);
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root.setTop(toolBar);
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final int rows = model.getRows();
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final int cols = model.getCols();
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BorderPane boardPane = new BorderPane();
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ColumnConstraints colCons = new ColumnConstraints();
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colCons.setPercentWidth(100.0 / cols);
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GridPane btnPane = new GridPane();
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GridPane diskPane = new GridPane();
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btnPane.setHgap(10);
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btnPane.setPadding(new Insets(10, 10, 0, 10));
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btnPane.setStyle("-fx-background-color: rgb(0, 50, 255)");
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diskPane.setPadding(new Insets(10, 10, 10, 10));
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diskPane.setStyle("-fx-background-color: rgb(0, 50, 255)");
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colBtns = new Button[cols];
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for (int i = 0; i < cols; i++) {
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Button colBtn = new Button("" + (i + 1));
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colBtn.setId("" + (i + 1));
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colBtn.setMaxWidth(Double.MAX_VALUE);
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colBtn.setOnAction(ev -> {
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String id = ((Button) ev.getSource()).getId();
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int col = Integer.parseInt(id);
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model.makeMove(col - 1);
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});
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colBtns[i] = colBtn;
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btnPane.add(colBtn, i, 0);
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GridPane.setHalignment(colBtn, HPos.CENTER);
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btnPane.getColumnConstraints().add(colCons);
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diskPane.getColumnConstraints().add(colCons);
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}
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boardPane.setTop(btnPane);
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diskPane.setMinSize(0, 0);
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diskPane.setPrefSize(cols * 100, rows * 100);
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RowConstraints rowCons = new RowConstraints();
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rowCons.setPercentHeight(100.0 / rows);
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for (int i = 0; i < rows; i++)
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diskPane.getRowConstraints().add(rowCons);
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disks = new Circle[rows * cols];
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for (int i = 0; i < rows * cols; i++) {
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Circle disk = new Circle(30);
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disk.radiusProperty().bind(Bindings.min(Bindings.divide(diskPane.widthProperty(), cols * 3),
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Bindings.divide(diskPane.heightProperty(), rows * 3)));
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disks[i] = disk;
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diskPane.add(disk, i % cols, i / cols);
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GridPane.setHalignment(disk, HPos.CENTER);
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}
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boardPane.setCenter(diskPane);
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root.setCenter(boardPane);
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statusBar = new Label();
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statusBar.setMaxWidth(Double.MAX_VALUE);
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statusBar.setStyle("-fx-background-color: rgb(0, 0, 200); -fx-font-size: 20");
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root.setBottom(statusBar);
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model.addObserver(this::update);
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return root;
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}
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@Override
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public void initialize() {
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update(null, null);
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}
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@Override
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public void finalize() {
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// Nothing to do here...
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}
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/** Updates the view after the model state has changed. */
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private void update(Observable o, Object arg) {
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final int cols = model.getCols();
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for (int i = 0; i < disks.length; i++) {
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String player = model.getPlayerAt(i / cols, i % cols);
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Color color = Color.DARKBLUE;
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if (player != null)
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color = player.equals("red") ? Color.RED : Color.YELLOW;
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else {
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for (String p : model.getPlayers())
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if (model.isWinPositionFor(i / cols, i % cols, p))
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color = Color.BLACK;
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}
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disks[i].setFill(color);
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}
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String statusText;
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if (!model.isGameOver()) {
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String toMove = (String) model.getPlayerForNextMove();
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statusText = "Next move: " + toMove;
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statusBar.setTextFill(toMove.equals("red") ? Color.RED : Color.YELLOW);
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} else {
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String winner = model.getWinner();
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if (winner != null)
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statusText = "Color " + winner + " has won. Congratulations!";
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else
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statusText = "No winner :-(";
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statusBar.setTextFill(Color.WHITE);
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}
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if (model.searchMetrics != null)
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statusText += " " + model.searchMetrics;
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statusBar.setText(statusText);
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}
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}
1+
package aima.gui.fx.demo.search.games;
2+
3+
import java.util.Observable;
4+
5+
import aima.gui.fx.framework.IntegrableApplication;
6+
import javafx.beans.binding.Bindings;
7+
import javafx.geometry.HPos;
8+
import javafx.geometry.Insets;
9+
import javafx.scene.control.Button;
10+
import javafx.scene.control.ComboBox;
11+
import javafx.scene.control.Label;
12+
import javafx.scene.control.Separator;
13+
import javafx.scene.control.ToolBar;
14+
import javafx.scene.layout.BorderPane;
15+
import javafx.scene.layout.ColumnConstraints;
16+
import javafx.scene.layout.GridPane;
17+
import javafx.scene.layout.Pane;
18+
import javafx.scene.layout.RowConstraints;
19+
import javafx.scene.paint.Color;
20+
import javafx.scene.shape.Circle;
21+
22+
/**
23+
* Starter of the JavaFX version of the Connect Four game with integrated
24+
* artificial intelligence player. It uses Minimax search with Alpha-Beta
25+
* pruning and an iterative deepening strategy to meet the specified time
26+
* constraints.
27+
*
28+
* @author Ruediger Lunde
29+
*/
30+
public class ConnectFourApp extends IntegrableApplication {
31+
32+
public static void main(String[] args) {
33+
launch(args);
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}
35+
36+
private ConnectFourModel model;
37+
38+
// create attributes for all parts of the application which need to be
39+
// accessed by listeners, inner classes, and helper methods
40+
41+
private Button clearBtn;
42+
private ComboBox<String> strategyCombo;
43+
private ComboBox<String> timeCombo;
44+
private Button proposeBtn;
45+
private Label statusBar;
46+
47+
private Button[] colBtns;
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private Circle[] disks;
49+
50+
@Override
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public String getTitle() {
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return "Connect Four App";
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}
54+
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@Override
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public Pane createRootPane() {
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model = new ConnectFourModel();
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BorderPane root = new BorderPane();
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ToolBar toolBar = new ToolBar();
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toolBar.setStyle("-fx-background-color: rgb(0, 0, 200)");
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clearBtn = new Button("Clear");
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clearBtn.setOnAction(ev -> model.initGame());
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strategyCombo = new ComboBox<String>();
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strategyCombo.getItems().addAll("Iterative Deepening Alpha-Beta", "Advanced Alpha-Beta");
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strategyCombo.getSelectionModel().select(0);
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timeCombo = new ComboBox<String>();
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timeCombo.getItems().addAll("2sec", "4sec", "6sec", "8sec");
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timeCombo.getSelectionModel().select(1);
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proposeBtn = new Button("Propose Move");
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proposeBtn.setOnAction(ev -> model.proposeMove((timeCombo.getSelectionModel().getSelectedIndex() + 1) * 2,
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strategyCombo.getSelectionModel().getSelectedIndex()));
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toolBar.getItems().addAll(clearBtn, new Separator(), strategyCombo, timeCombo, proposeBtn);
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root.setTop(toolBar);
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final int rows = model.getRows();
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final int cols = model.getCols();
80+
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BorderPane boardPane = new BorderPane();
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ColumnConstraints colCons = new ColumnConstraints();
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colCons.setPercentWidth(100.0 / cols);
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GridPane btnPane = new GridPane();
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GridPane diskPane = new GridPane();
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btnPane.setHgap(10);
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btnPane.setPadding(new Insets(10, 10, 0, 10));
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btnPane.setStyle("-fx-background-color: rgb(0, 50, 255)");
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diskPane.setPadding(new Insets(10, 10, 10, 10));
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diskPane.setStyle("-fx-background-color: rgb(0, 50, 255)");
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colBtns = new Button[cols];
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for (int i = 0; i < cols; i++) {
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Button colBtn = new Button("" + (i + 1));
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colBtn.setId("" + (i + 1));
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colBtn.setMaxWidth(Double.MAX_VALUE);
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colBtn.setOnAction(ev -> {
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String id = ((Button) ev.getSource()).getId();
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int col = Integer.parseInt(id);
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model.makeMove(col - 1);
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});
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colBtns[i] = colBtn;
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btnPane.add(colBtn, i, 0);
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GridPane.setHalignment(colBtn, HPos.CENTER);
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btnPane.getColumnConstraints().add(colCons);
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diskPane.getColumnConstraints().add(colCons);
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}
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boardPane.setTop(btnPane);
110+
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diskPane.setMinSize(0, 0);
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diskPane.setPrefSize(cols * 100, rows * 100);
113+
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RowConstraints rowCons = new RowConstraints();
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rowCons.setPercentHeight(100.0 / rows);
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for (int i = 0; i < rows; i++)
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diskPane.getRowConstraints().add(rowCons);
118+
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disks = new Circle[rows * cols];
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for (int i = 0; i < rows * cols; i++) {
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Circle disk = new Circle(30);
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disk.radiusProperty().bind(Bindings.min(Bindings.divide(diskPane.widthProperty(), cols * 3),
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Bindings.divide(diskPane.heightProperty(), rows * 3)));
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disks[i] = disk;
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diskPane.add(disk, i % cols, i / cols);
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GridPane.setHalignment(disk, HPos.CENTER);
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}
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boardPane.setCenter(diskPane);
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root.setCenter(boardPane);
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statusBar = new Label();
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statusBar.setMaxWidth(Double.MAX_VALUE);
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statusBar.setStyle("-fx-background-color: rgb(0, 0, 200); -fx-font-size: 20");
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root.setBottom(statusBar);
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model.addObserver(this::update);
135+
return root;
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}
137+
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@Override
139+
public void initialize() {
140+
update(null, null);
141+
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}
143+
144+
@Override
145+
public void finalize() {
146+
// Nothing to do here...
147+
}
148+
149+
/** Updates the view after the model state has changed. */
150+
private void update(Observable o, Object arg) {
151+
final int cols = model.getCols();
152+
for (int i = 0; i < disks.length; i++) {
153+
String player = model.getPlayerAt(i / cols, i % cols);
154+
Color color = Color.DARKBLUE;
155+
if (player != null)
156+
color = player.equals("red") ? Color.RED : Color.YELLOW;
157+
else {
158+
for (String p : model.getPlayers())
159+
if (model.isWinPositionFor(i / cols, i % cols, p))
160+
color = Color.BLACK;
161+
}
162+
disks[i].setFill(color);
163+
}
164+
165+
String statusText;
166+
if (!model.isGameOver()) {
167+
String toMove = (String) model.getPlayerForNextMove();
168+
statusText = "Next move: " + toMove;
169+
statusBar.setTextFill(toMove.equals("red") ? Color.RED : Color.YELLOW);
170+
} else {
171+
String winner = model.getWinner();
172+
if (winner != null)
173+
statusText = "Color " + winner + " has won. Congratulations!";
174+
else
175+
statusText = "No winner :-(";
176+
statusBar.setTextFill(Color.WHITE);
177+
}
178+
if (model.searchMetrics != null)
179+
statusText += " " + model.searchMetrics;
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statusBar.setText(statusText);
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}
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}

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