From 04b35ccdad6e18701ede823e333118b0b22907c2 Mon Sep 17 00:00:00 2001
From: Eduardo Pedroni <ep625@york.ac.uk>
Date: Sun, 30 Mar 2014 21:07:37 +0100
Subject: Running into some issues with running the CGP loop in the background
 with bindings.

---
 src/jcgp/GUI.java | 103 +++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 82 insertions(+), 21 deletions(-)

(limited to 'src/jcgp/GUI.java')

diff --git a/src/jcgp/GUI.java b/src/jcgp/GUI.java
index a893494..98545db 100644
--- a/src/jcgp/GUI.java
+++ b/src/jcgp/GUI.java
@@ -1,10 +1,8 @@
 package jcgp;
 
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.PrintStream;
-
 import javafx.application.Application;
+import javafx.concurrent.Service;
+import javafx.concurrent.Task;
 import javafx.scene.Scene;
 import javafx.scene.control.Tab;
 import javafx.scene.control.TabPane;
@@ -12,9 +10,9 @@ import javafx.scene.control.TabPane.TabClosingPolicy;
 import javafx.scene.layout.BorderPane;
 import javafx.stage.Stage;
 import jcgp.JCGP.Resources;
+import jcgp.gui.ChromosomePane;
 import jcgp.gui.GUIConsole;
-import jcgp.gui.SettingsPane;
-import jcgp.gui.population.ChromosomePane;
+import jcgp.gui.settings.SettingsPane;
 
 public class GUI extends Application {
 	
@@ -35,10 +33,9 @@ public class GUI extends Application {
 	
 	
 	/* Sizes and distances */
-	
     public static final double RESIZE_MARGIN = 5.0;
     
-    public static final double SETTINGS_WIDTH = 190;
+    public static final double SETTINGS_WIDTH = 200;
     public static final double CONSOLE_HEIGHT = 100;
         
     public static final double WRAP_WIDTH = 90;
@@ -52,18 +49,14 @@ public class GUI extends Application {
 	private ChromosomePane[] chromosomes;
 	private TabPane mainPane;
 	
-	private static GUIConsole console = new GUIConsole();
+	private GUIConsole console = new GUIConsole();
 	private SettingsPane settings;
 	
-	public static final PrintStream out = new PrintStream(new OutputStream() {
-		@Override
-		public void write(int b) throws IOException {
-			console.getTextArea().appendText(String.valueOf((char) b));
-		}
-	});
-
+	private Service<Object> cgpService;
+	
+	private static boolean evolving = false;
+	
 	public static void main(String[] args) {
-		
 		cgp = new JCGP();
 		resources = cgp.getResources();
 		
@@ -73,6 +66,28 @@ public class GUI extends Application {
 	@Override
 	public void start(Stage primaryStage) throws Exception {
 		
+		
+		cgpService = new Service<Object> () {
+
+			@Override
+			protected Task<Object> createTask() {
+				Task<Object> t = new Task<Object>() {
+					@Override
+					protected Object call() throws Exception {
+						while (true) {
+							if (isCancelled()) {
+								return null;
+							} else {
+								cgp.nextGeneration();
+							}
+						}
+					}
+				};
+				
+				return t;
+			}
+		};
+		
 		/*
 		 * Instantiate the various GUI elements here. 
 		 * 
@@ -81,16 +96,16 @@ public class GUI extends Application {
 		
 		mainPane = new TabPane();
 		mainPane.setTabClosingPolicy(TabClosingPolicy.UNAVAILABLE);
-		chromosomes = new ChromosomePane[(int) cgp.getResources().get("popSize")];
+		chromosomes = new ChromosomePane[cgp.getResources().getInt("popSize")];
 		Tab tab;
 		for (int i = 0; i < chromosomes.length; i++) {
-			chromosomes[i] = new ChromosomePane(cgp.getPopulation().getChromosome(i));
+			chromosomes[i] = new ChromosomePane(cgp.getPopulation().getChromosome(i), resources);
 			tab = new Tab("Chr " + i);
 			tab.setContent(chromosomes[i]);
 			mainPane.getTabs().add(tab);
 		}
 		
-		settings = new SettingsPane(cgp);
+		settings = new SettingsPane(cgp, this);
 		
 		//mainPane.setPrefHeight(500);
 				
@@ -102,7 +117,7 @@ public class GUI extends Application {
 		
 		window.setCenter(leftPane);
 		window.setRight(settings);
-				
+		
 		//primaryStage.setMinHeight(600);
 		//primaryStage.setMinWidth(800);
 		
@@ -111,5 +126,51 @@ public class GUI extends Application {
 		primaryStage.setScene(new Scene(window));
 		primaryStage.show();
 	}
+	
+	public void updateNodeGrids() {
+		for (int i = 0; i < chromosomes.length; i++) {
+			chromosomes[i].update();
+		}
+	}
+
+	public void playPause() {		
+		if (!evolving) {
+			setEvolving(true);
+			cgpService.restart();
+		} else {
+			cgpService.cancel();
+			setEvolving(false);
+		}
+	}
+	
+	public void step() {
+		if (!evolving) {
+			Thread t = new Thread(new Task<Object>() {
+				@Override
+				protected Object call() throws Exception {
+					cgp.nextGeneration();
+					setEvolving(false);
+					return null;
+				}
+			});
+			setEvolving(true);
+			t.start();
+		}
+	}
+	
+	private void setEvolving(boolean value) {
+		evolving = value;
+		settings.toggleSettings(value);
+		if (value) {
+			settings.bindParameters();
+		} else {
+			updateNodeGrids();
+			settings.unbindParameters();
+		}
+	}
+	
+	public boolean isEvolving() {
+		return evolving;
+	}
 
 }
-- 
cgit v1.2.3