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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.scene.Scene;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;
import jcgp.JCGP;
import jcgp.backend.resources.Resources;
import jcgp.gui.console.GUIConsole;
import jcgp.gui.dragresize.HorizontalDragResize;
import jcgp.gui.dragresize.VerticalDragResize;
import jcgp.gui.population.FunctionSelector;
import jcgp.gui.population.PopulationPane;
import jcgp.gui.settings.SettingsPane;
public class GUI extends Application {
/* Colours */
/** NEUTRAL_COLOUR is the colour elements should be when no interaction is occurring
* (no hovering, clicking, dragging or any other form of interaction). */
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_WIDTH = 200;
public static final double CONSOLE_HEIGHT = 100;
public static final double WRAP_WIDTH = 90;
public static final JCGP jcgp = new JCGP();
public static final Resources resources = jcgp.getResources();
public static final FunctionSelector functionSelector = new FunctionSelector(resources.getFunctionSet());
private PopulationPane populationPane;
private GUIConsole console = new GUIConsole();
private SettingsPane settingsPane;
private boolean evolving = false;
private Object printLock = new Object();
private Service<Void> 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;
}
};
private Runnable consoleFlush = new Runnable() {
@Override
public void run() {
synchronized(printLock) {
console.flush();
printLock.notifyAll();
}
}
};
public static void main(String[] args) {
// jcgp = new JCGP();
// resources = jcgp.getResources();
//
// functionSelector =
launch();
}
@Override
public void start(Stage primaryStage) throws Exception {
jcgp.setConsole(console);
/*
* Instantiate the various GUI elements here.
*
*
*/
BorderPane leftFrame = new BorderPane();
populationPane = new PopulationPane(jcgp);
settingsPane = new SettingsPane(jcgp, this);
HorizontalDragResize.makeDragResizable(settingsPane);
VerticalDragResize.makeDragResizable(console);
leftFrame.setCenter(populationPane);
leftFrame.setBottom(console);
BorderPane experimentLayer = new BorderPane();
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();
}
public void runPause() {
if (!jcgp.isFinished() && settingsPane.areParametersValid()) {
if (!evolving) {
runningMode(true);
cgpService.restart();
} else {
cgpService.cancel();
runningMode(false);
}
}
}
public void step() {
if (!evolving && !jcgp.isFinished() && settingsPane.areParametersValid()) {
if (settingsPane.isResetRequired()) {
reset();
}
populationPane.unlockOutputs();
jcgp.nextGeneration();
console.flush();
populationPane.updateGenes();
populationPane.relockOutputs();
}
}
public void reset() {
if (!evolving && settingsPane.areParametersValid()) {
settingsPane.applyParameters();
jcgp.reset();
populationPane.remakeTabs(jcgp.getPopulation(), jcgp.getResources());
settingsPane.revalidateParameters();
settingsPane.updateControls(false, jcgp.isFinished());
console.flush();
}
}
private void runningMode(boolean value) {
populationPane.setDisable(value);
settingsPane.updateControls(value, jcgp.isFinished());
if (value) {
populationPane.unlockOutputs();
if (settingsPane.isResetRequired()) {
reset();
}
} else {
populationPane.updateGenes();
populationPane.relockOutputs();
}
evolving = value;
}
public static void updateFunctionSelector() {
functionSelector.remakeFunctions(resources.getFunctionSet());
}
}
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