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package jcgp.gui;
import javafx.application.Application;
import javafx.application.Platform;
import javafx.concurrent.Service;
import javafx.concurrent.Task;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;
import jcgp.JCGP;
import jcgp.backend.modules.problem.TestCaseProblem.TestCase;
import jcgp.gui.console.GUIConsole;
import jcgp.gui.dragresize.HorizontalDragResize;
import jcgp.gui.dragresize.VerticalDragResize;
import jcgp.gui.population.FunctionSelector;
import jcgp.gui.population.GUINode;
import jcgp.gui.population.PopulationPane;
import jcgp.gui.settings.SettingsPane;
/**
* Main class for the graphical user interface (GUI)
*
*
* @author Eduardo Pedroni
*
*/
public class GUI extends Application {
/* Colours */
public static final String NEUTRAL_COLOUR = "#FFFFFF";
public static final String HARD_HIGHLIGHT_COLOUR = "#5496FF";
public static final String MEDIUM_HIGHLIGHT_COLOUR = "#75BAFF";
public static final String SOFT_HIGHLIGHT_COLOUR = "#C7DFFF";
public static final String GOOD_SELECTION_COLOUR = "#38C25B";
public static final String NEUTRAL_SELECTION_COLOUR = "#FFEF73";
public static final String BAD_SELECTION_COLOUR = "#FF5C5C";
/* Sizes and distances */
public static final double RESIZE_MARGIN = 5.0;
public static final double SETTINGS_MIN_WIDTH = 200;
public static final double CONSOLE_MIN_HEIGHT = 100;
private final JCGP jcgp;
private Stage stage;
private final FunctionSelector functionSelector;
private PopulationPane populationPane;
private GUIConsole console;
private SettingsPane settingsPane;
private boolean running = false;
private final Object printLock = new Object();
private Service<Void> cgpService;
private Runnable consoleFlush;
public static void main(String[] args) {
launch();
}
public GUI() {
jcgp = new JCGP();
functionSelector = new FunctionSelector(jcgp.getResources().getFunctionSet());
consoleFlush = new Runnable() {
@Override
public void run() {
synchronized(printLock) {
console.flush();
printLock.notifyAll();
}
}
};
cgpService = new Service<Void> () {
@Override
protected Task<Void> createTask() {
Task<Void> t = new Task<Void>() {
@Override
protected Void call() throws Exception {
while (!isCancelled() && !jcgp.isFinished()) {
synchronized (printLock) {
Platform.runLater(consoleFlush);
jcgp.nextGeneration();
printLock.wait();
}
}
if (jcgp.isFinished()) {
Platform.runLater(new Runnable() {
@Override
public void run() {
runningMode(false);
}
});
}
return null;
}
};
return t;
}
};
}
@Override
public void start(Stage primaryStage) throws Exception {
console = new GUIConsole();
jcgp.setConsole(console);
stage = primaryStage;
/*
* Instantiate the various GUI elements here.
*
*
*/
BorderPane leftFrame = new BorderPane();
BorderPane experimentLayer = new BorderPane();
populationPane = new PopulationPane(this);
settingsPane = new SettingsPane(this);
settingsPane.maxWidthProperty().bind(experimentLayer.widthProperty());
console.maxHeightProperty().bind(experimentLayer.heightProperty());
HorizontalDragResize.makeDragResizable(settingsPane);
VerticalDragResize.makeDragResizable(console);
leftFrame.setCenter(populationPane);
leftFrame.setBottom(console);
experimentLayer.setCenter(leftFrame);
experimentLayer.setRight(settingsPane);
primaryStage.setTitle("JCGP");
Pane sceneParent = new Pane();
experimentLayer.prefHeightProperty().bind(sceneParent.heightProperty());
experimentLayer.prefWidthProperty().bind(sceneParent.widthProperty());
sceneParent.getChildren().addAll(experimentLayer, functionSelector);
primaryStage.setScene(new Scene(sceneParent));
primaryStage.setMinWidth(800);
primaryStage.setMinHeight(600);
primaryStage.show();
primaryStage.setOnCloseRequest(new EventHandler<WindowEvent>() {
@Override
public void handle(WindowEvent event) {
settingsPane.getTestCaseTable().close();
}
});
}
public void runPause() {
if (!jcgp.isFinished() && settingsPane.areParametersValid()) {
if (!running) {
runningMode(true);
cgpService.restart();
} else {
cgpService.cancel();
runningMode(false);
}
}
}
public void step() {
if (!running && !jcgp.isFinished() && settingsPane.areParametersValid()) {
if (settingsPane.isResetRequired()) {
reset();
}
populationPane.unlockOutputs();
jcgp.nextGeneration();
console.flush();
populationPane.updateGenes();
populationPane.relockOutputs();
settingsPane.revalidateParameters();
settingsPane.updateControls(false, jcgp.isFinished());
}
}
public void reset() {
if (!running && settingsPane.areParametersValid()) {
setEvaluating(false);
jcgp.reset();
settingsPane.applyParameters();
reDraw();
}
}
public void reDraw() {
populationPane.remakeTabs();
settingsPane.revalidateParameters();
settingsPane.updateControls(false, jcgp.isFinished());
console.flush();
}
private void runningMode(boolean value) {
if (value) {
populationPane.unlockOutputs();
if (settingsPane.isResetRequired()) {
reset();
}
} else {
populationPane.updateGenes();
populationPane.relockOutputs();
settingsPane.revalidateParameters();
}
populationPane.setDisable(value);
settingsPane.updateControls(value, jcgp.isFinished());
running = value;
}
public void updateFunctionSelector() {
functionSelector.remakeFunctions(jcgp.getResources().getFunctionSet());
}
public boolean isWorking() {
return running;
}
public void bringFunctionSelector(MouseEvent event, GUINode node) {
functionSelector.relocateAndShow(event, node);
}
public JCGP getExperiment() {
return jcgp;
}
public void evaluateTestCase(TestCase<Object> testCase) {
populationPane.evaluateTestCase(testCase);
}
public void hideGeneValues() {
populationPane.hideValues();
}
public void setEvaluating(boolean value) {
populationPane.setEvaluating(value);
}
public Stage getStage() {
return stage;
}
public void flushConsole() {
console.flush();
}
}
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