Parameter validation refactored and fully functional.

7 files changed, 240 insertions, 146 deletions

diff --git a/src/jcgp/gui/GUI.java b/src/jcgp/gui/GUI.java
index 0902b21..f7aa25d 100644
--- a/src/jcgp/gui/GUI.java
+++ b/src/jcgp/gui/GUI.java
@@ -53,12 +53,38 @@ public class GUI extends Application {
 	private GUIConsole console = new GUIConsole();
 	private SettingsPane settings;
 	
-	private Service<Void> cgpService;
-	
 	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() && !cgp.isFinished()) {
+						synchronized (printLock) {
+							Platform.runLater(consoleFlush);
+							cgp.nextGeneration();
+							printLock.wait();
+						}
+					}
+					if (cgp.isFinished()) {
+						Platform.runLater(new Runnable() {
+							@Override
+							public void run() {
+								runningMode(false);
+							}
+						});
+					}
+					return null;
+				}
+			};
+			return t;
+		}
+	};
+	
 	private Runnable consoleFlush = new Runnable() {
 		@Override
 		public void run() {
@@ -80,27 +106,6 @@ public class GUI extends Application {
 	public void start(Stage primaryStage) throws Exception {
 		resources.setConsole(console);
 		
-		cgpService = new Service<Void> () {
-			@Override
-			protected Task<Void> createTask() {
-				
-				Task<Void> t = new Task<Void>() {
-					@Override
-					protected Void call() throws Exception {
-						while (!isCancelled()) {
-							Platform.runLater(consoleFlush);
-							synchronized (printLock) {
-								cgp.nextGeneration();
-								printLock.wait();
-							}
-						}
-						return null;
-					}
-				};
-				return t;
-			}
-		};
-		
 		/*
 		 * Instantiate the various GUI elements here. 
 		 * 
@@ -167,45 +172,68 @@ public class GUI extends Application {
 		chromosomeTabs.setDisable(value);
 	}
 	
-	public void disable(boolean value) {
-		chromosomeTabs.setDisable(value);
-		settings.disableSettings(value);
-	}
-
-	public void playPause() {
-		if (!evolving) {
-			disable(true);
-			unlockOutputs();
-			evolving = true;
-			cgpService.restart();
-		} else {
-			disable(false);
-			updateNodeGrids();
-			evolving = false;
-			cgpService.cancel();
-			relockOutputs();
+	public void runPause() {
+		if (!cgp.isFinished() && settings.areParametersValid()) {
+			if (!evolving) {
+				runningMode(true);
+				cgpService.restart();
+			} else {
+				cgpService.cancel();
+				runningMode(false);
+			}
 		}
 	}
 	
 	public void step() {
-		if (!evolving) {
-			Thread t = new Thread(new Task<Void>() {
+		if (!evolving && !cgp.isFinished() && settings.areParametersValid()) {
+			if (settings.isResetRequired()) {
+				reset();
+			}
+			unlockOutputs();
+			Task<Void> task = new Task<Void>() {
 				@Override
 				protected Void call() throws Exception {
-					unlockOutputs();
 					cgp.nextGeneration();
-					console.flush();
-					updateNodeGrids();
-					relockOutputs();
+					Platform.runLater(consoleFlush);
 					return null;
 				}
-			});
+			};
+			Thread t = new Thread(task);
 			t.start();
+			try {
+				t.join();
+			} catch (InterruptedException e) {
+				// nothing
+			} finally {
+				updateNodeGrids();
+				relockOutputs();
+			}
 		}
 	}
 	
 	public void reset() {
-		cgp.reset();
-		makeChromosomeTabPane();
+		if (!evolving && settings.areParametersValid()) {
+			settings.applyParameters();
+			cgp.reset();
+			makeChromosomeTabPane();
+			settings.revalidateParameters();
+		}
+	}
+	
+	private void runningMode(boolean value) {
+		chromosomeTabs.setDisable(value);
+		settings.disableSettings(value);
+		if (value) {
+			unlockOutputs();
+			settings.getRunButton().setText("Pause");
+			if (settings.isResetRequired()) {
+				reset();
+			}
+		} else {
+			updateNodeGrids();
+			relockOutputs();
+			settings.getRunButton().setText("Run");
+		}
+		evolving = value;
 	}
 }
diff --git a/src/jcgp/gui/console/GUIConsole.java b/src/jcgp/gui/console/GUIConsole.java
index 8fdb1a5..d8625f5 100644
--- a/src/jcgp/gui/console/GUIConsole.java
+++ b/src/jcgp/gui/console/GUIConsole.java
@@ -10,15 +10,14 @@ import jcgp.gui.GUI;
 public class GUIConsole extends AnchorPane implements Console {
 	
 	private boolean dragging;
-	private TextArea textArea = new TextArea("Welcome to JCGP!\n");
+	private TextArea textArea = new TextArea("Welcome to JCGP!");
 	
 	private StringBuffer printBuffer = new StringBuffer();
 		
 	public GUIConsole() {
 		super();
 		textArea.setEditable(false);
-		textArea.setWrapText(true);
-
+		
 		setResizeListeners();
 		
 		AnchorPane.setTopAnchor(textArea, GUI.RESIZE_MARGIN);
@@ -91,7 +90,7 @@ public class GUIConsole extends AnchorPane implements Console {
 	
 	@Override
 	public void println(String s) {
-		printBuffer.append(s + "\n");
+		printBuffer.append("\n" + s);
 	}
 
 	@Override
diff --git a/src/jcgp/gui/settings/SettingsPane.java b/src/jcgp/gui/settings/SettingsPane.java
index 41b1bba..cb066b7 100644
--- a/src/jcgp/gui/settings/SettingsPane.java
+++ b/src/jcgp/gui/settings/SettingsPane.java
@@ -32,17 +32,16 @@ public class SettingsPane extends AnchorPane {
 	
 	private VBox mainContainer;
 	private VBox bpPane, eaPane, mutatorPane, ffPane, nfPane;
-	private ArrayList<GUIParameter> parameters = new ArrayList<GUIParameter>();
 	
-	private GUI gui;
+	private Button runPause;
 	
+	private ArrayList<GUIParameter> parameters = new ArrayList<GUIParameter>();
+		
 	private boolean dragging = false;
 	
 	public SettingsPane(JCGP cgp, GUI gui) {
 		super();
-		
-		this.gui = gui;
-		
+				
 		setResizeListeners();
 		
 		mainContainer = new VBox(8);
@@ -85,22 +84,22 @@ public class SettingsPane extends AnchorPane {
 		
 		bpPane.getChildren().add(header);
 		
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("rows")));
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("columns")));
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("inputs")));
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("outputs")));
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("levelsBack")));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("rows"), this));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("columns"), this));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("inputs"), this));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("outputs"), this));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("levelsBack"), this));
 		
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("popSize")));
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("generations")));
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("runs")));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("popSize"), this));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("generations"), this));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("runs"), this));
 		
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("currentGen")));
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("currentRun")));				
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("currentGen"), this));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("currentRun"), this));				
 		
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("maxFitness")));
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("seed")));
-		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("report")));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("maxFitness"), this));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("seed"), this));
+		parameters.add(GUIParameter.create((IntegerParameter) cgp.getResources().getParameter("report"), this));
 		
 		bpPane.getChildren().addAll(parameters);
 		
@@ -238,43 +237,41 @@ public class SettingsPane extends AnchorPane {
 		controls.setFillWidth(true);
 		
 		final HBox flowButtons = new HBox(2);
-		final Button play = new Button("Run");
-		
-		play.setOnAction(new EventHandler<ActionEvent>() {
+		runPause = new Button("Run");
+		runPause.setOnAction(new EventHandler<ActionEvent>() {
 			@Override
 			public void handle(ActionEvent event) {				
-				if (play.getText() == "Run") {
-					if (isResetRequired()) {
-						resetExperiment();
-					}
-					play.setText("Pause");
-				} else {
-					play.setText("Run");
-				}
-				gui.playPause();
+				gui.runPause();
 			}
 		});
 		
 		Button step = new Button("Step");
-		
 		step.setOnAction(new EventHandler<ActionEvent>() {
 			@Override
 			public void handle(ActionEvent event) {
-				if (isResetRequired()) {
-					resetExperiment();
-				}
 				gui.step();
 			}
 		});
 		
-		flowButtons.getChildren().addAll(play, step);
+		Button reset = new Button("Reset");
+		reset.setOnAction(new EventHandler<ActionEvent>() {
+			@Override
+			public void handle(ActionEvent event) {
+				gui.reset();
+			}
+		});
+		
+		flowButtons.getChildren().addAll(runPause, step, reset);
 		
-		HBox.setHgrow(play, Priority.ALWAYS);
-		play.setMaxWidth(Double.MAX_VALUE);
+		HBox.setHgrow(runPause, Priority.ALWAYS);
+		runPause.setMaxWidth(Double.MAX_VALUE);
 		
 		HBox.setHgrow(step, Priority.ALWAYS);
 		step.setMaxWidth(Double.MAX_VALUE);
 		
+		HBox.setHgrow(reset, Priority.ALWAYS);
+		reset.setMaxWidth(Double.MAX_VALUE);
+		
 		controls.getChildren().add(flowButtons);
 		
 		mainContainer.getChildren().add(controls);	
@@ -288,11 +285,12 @@ public class SettingsPane extends AnchorPane {
 		parameters.removeAll(vb.getChildren());
 		vb.getChildren().clear();
 		for (int i = 0; i < newParameters.length; i++) {
-	        GUIParameter gp = GUIParameter.create(newParameters[i]);
+	        GUIParameter gp = GUIParameter.create(newParameters[i], this);
 	        
 	        parameters.add(gp);
         	vb.getChildren().add(gp);
 		}
+		revalidateParameters();
 	}
 	
 	private void refreshFunctions(final FunctionSet fs, VBox vb) {
@@ -377,21 +375,38 @@ public class SettingsPane extends AnchorPane {
 	 * 
 	 * @return true if the experiment needs to be reset, false otherwise.
 	 */
-	private boolean isResetRequired() {
-		boolean reset = false;
+	public boolean isResetRequired() {
 		for (GUIParameter parameter : parameters) {
-			reset |= parameter.requiresReset();
+			if (parameter.requiresReset()) {
+				return true;
+			}
 		}
-		System.out.println("reset: " + reset);
-		return reset;
+		return false;
 	}
 	
-	private void resetExperiment() {
+	public boolean areParametersValid() {
 		for (GUIParameter parameter : parameters) {
-			parameter.applyValue();
+			if (!parameter.isValid()) {
+				return false;
+			}
 		}
-		gui.reset();
-		
+		return true;
+	}
+	
+	public void revalidateParameters() {
+		for (GUIParameter parameter : parameters) {
+			parameter.validate();
+		}
+	}
+	
+	public void applyParameters() {
+		for (GUIParameter parameter : parameters) {
+			parameter.applyValue();
+		}	
+	}
+	
+	public Button getRunButton() {
+		return runPause;
 	}
 	
 	
diff --git a/src/jcgp/gui/settings/parameters/GUIBooleanParameter.java b/src/jcgp/gui/settings/parameters/GUIBooleanParameter.java
index da564f7..fc66e7d 100644
--- a/src/jcgp/gui/settings/parameters/GUIBooleanParameter.java
+++ b/src/jcgp/gui/settings/parameters/GUIBooleanParameter.java
@@ -6,12 +6,13 @@ import javafx.scene.control.CheckBox;
 import jcgp.backend.parameters.BooleanParameter;
 import jcgp.backend.parameters.ParameterStatus;
 import jcgp.gui.GUI;
+import jcgp.gui.settings.SettingsPane;
 
 public class GUIBooleanParameter extends GUIParameter {
 	
 	private boolean originalValue;
 	
-	GUIBooleanParameter(final BooleanParameter parameter) {
+	GUIBooleanParameter(final BooleanParameter parameter, final SettingsPane sp) {
 		super();
 		
 		this.parameter = parameter;
@@ -32,18 +33,8 @@ public class GUIBooleanParameter extends GUIParameter {
 						ObservableValue<? extends Boolean> observable,
 						Boolean oldValue, Boolean newValue) {
 					parameter.set(newValue);
-					if (parameter.getStatus() == ParameterStatus.INVALID) {
-						valueControl.setStyle(GUI.INVALID_PARAMETER_STYLE);
-						valueControl.setTooltip(tooltip);
-						tooltip.setText(parameter.getStatus().getDetails());
-					} else if (parameter.getStatus() == ParameterStatus.WARNING) {
-						valueControl.setStyle(GUI.WARNING_PARAMETER_STYLE);
-						valueControl.setTooltip(tooltip);
-						tooltip.setText(parameter.getStatus().getDetails());
-					} else {
-						valueControl.setStyle(GUI.VALID_PARAMETER_STYLE);
-						valueControl.setTooltip(null);
-					}
+					setValidityStyle();
+					sp.revalidateParameters();
 				}
 			});
 		}
@@ -60,7 +51,8 @@ public class GUIBooleanParameter extends GUIParameter {
 	
 	@Override
 	public boolean requiresReset() {
-		return parameter.isCritical() && ((BooleanParameter) parameter).get() != originalValue;
+		return (parameter.isCritical() && ((BooleanParameter) parameter).get() != originalValue)
+				|| parameter.getStatus() == ParameterStatus.WARNING_RESET;
 	}
 	
 	@Override
@@ -68,4 +60,27 @@ public class GUIBooleanParameter extends GUIParameter {
 		originalValue = ((BooleanParameter) parameter).get();
 	}
 	
+	/**
+	 * @param parameter
+	 */
+	private void setValidityStyle() {
+		if (parameter.getStatus() == ParameterStatus.INVALID) {
+			valueControl.setStyle(GUI.INVALID_PARAMETER_STYLE);
+			valueControl.setTooltip(tooltip);
+			tooltip.setText(parameter.getStatus().getDetails());
+		} else if (parameter.getStatus() == ParameterStatus.WARNING || parameter.getStatus() ==  ParameterStatus.WARNING_RESET) {
+			valueControl.setStyle(GUI.WARNING_PARAMETER_STYLE);
+			valueControl.setTooltip(tooltip);
+			tooltip.setText(parameter.getStatus().getDetails());
+		} else {
+			valueControl.setStyle(GUI.VALID_PARAMETER_STYLE);
+			valueControl.setTooltip(null);
+		}
+	}
+
+	@Override
+	public void validate() {
+		((BooleanParameter) parameter).validate(((BooleanParameter) parameter).get());
+		setValidityStyle();
+	}
 }
diff --git a/src/jcgp/gui/settings/parameters/GUIDoubleParameter.java b/src/jcgp/gui/settings/parameters/GUIDoubleParameter.java
index a1b4526..190f4b7 100644
--- a/src/jcgp/gui/settings/parameters/GUIDoubleParameter.java
+++ b/src/jcgp/gui/settings/parameters/GUIDoubleParameter.java
@@ -11,12 +11,13 @@ import javafx.scene.text.Text;
 import jcgp.backend.parameters.DoubleParameter;
 import jcgp.backend.parameters.ParameterStatus;
 import jcgp.gui.GUI;
+import jcgp.gui.settings.SettingsPane;
 
 public class GUIDoubleParameter extends GUIParameter {
 	
 	private double originalValue;
 	
-	GUIDoubleParameter(final DoubleParameter parameter) {
+	GUIDoubleParameter(final DoubleParameter parameter, final SettingsPane sp) {
 		super();
 		
 		this.parameter = parameter;
@@ -54,18 +55,8 @@ public class GUIDoubleParameter extends GUIParameter {
 						String oldValue, String newValue) {
 					if (!newValue.isEmpty()) {
 						parameter.set(Double.parseDouble(newValue));
-						if (parameter.getStatus() == ParameterStatus.INVALID) {
-							valueControl.setStyle(GUI.INVALID_PARAMETER_STYLE);
-							valueControl.setTooltip(tooltip);
-							tooltip.setText(parameter.getStatus().getDetails());
-						} else if (parameter.getStatus() == ParameterStatus.WARNING) {
-							valueControl.setStyle(GUI.WARNING_PARAMETER_STYLE);
-							valueControl.setTooltip(tooltip);
-							tooltip.setText(parameter.getStatus().getDetails());
-						} else {
-							valueControl.setStyle(GUI.VALID_PARAMETER_STYLE);
-							valueControl.setTooltip(null);
-						}
+						setValidityStyle();
+						sp.revalidateParameters();
 					}
 
 				}
@@ -93,7 +84,8 @@ public class GUIDoubleParameter extends GUIParameter {
 	
 	@Override
 	public boolean requiresReset() {
-		return parameter.isCritical() && ((DoubleParameter) parameter).get() != originalValue;
+		return (parameter.isCritical() && ((DoubleParameter) parameter).get() != originalValue)
+				|| parameter.getStatus() == ParameterStatus.WARNING_RESET;
 	}
 	
 	@Override
@@ -101,4 +93,25 @@ public class GUIDoubleParameter extends GUIParameter {
 		originalValue = ((DoubleParameter) parameter).get();
 	}
 
+	@Override
+	public void validate() {
+		((DoubleParameter) parameter).validate(((DoubleParameter) parameter).get());
+		setValidityStyle();
+	}
+	
+	private void setValidityStyle() {
+		if (parameter.getStatus() == ParameterStatus.INVALID) {
+			valueControl.setStyle(GUI.INVALID_PARAMETER_STYLE);
+			valueControl.setTooltip(tooltip);
+			tooltip.setText(parameter.getStatus().getDetails());
+		} else if (parameter.getStatus() == ParameterStatus.WARNING || parameter.getStatus() ==  ParameterStatus.WARNING_RESET) {
+			valueControl.setStyle(GUI.WARNING_PARAMETER_STYLE);
+			valueControl.setTooltip(tooltip);
+			tooltip.setText(parameter.getStatus().getDetails());
+		} else {
+			valueControl.setStyle(GUI.VALID_PARAMETER_STYLE);
+			valueControl.setTooltip(null);
+		}
+	}
+
 }
diff --git a/src/jcgp/gui/settings/parameters/GUIIntegerParameter.java b/src/jcgp/gui/settings/parameters/GUIIntegerParameter.java
index bf1a61e..a2040d7 100644
--- a/src/jcgp/gui/settings/parameters/GUIIntegerParameter.java
+++ b/src/jcgp/gui/settings/parameters/GUIIntegerParameter.java
@@ -11,12 +11,13 @@ import javafx.scene.text.Text;
 import jcgp.backend.parameters.IntegerParameter;
 import jcgp.backend.parameters.ParameterStatus;
 import jcgp.gui.GUI;
+import jcgp.gui.settings.SettingsPane;
 
 public class GUIIntegerParameter extends GUIParameter {
 
 	private int originalValue;
 	
-	GUIIntegerParameter(final IntegerParameter parameter) {	
+	GUIIntegerParameter(final IntegerParameter parameter, final SettingsPane sp) {	
 		super();
 		
 		this.parameter = parameter;
@@ -54,18 +55,8 @@ public class GUIIntegerParameter extends GUIParameter {
 						String oldValue, String newValue) {
 					if (!newValue.isEmpty()) {
 						parameter.set(Integer.parseInt(newValue));
-						if (parameter.getStatus() == ParameterStatus.INVALID) {
-							valueControl.setStyle(GUI.INVALID_PARAMETER_STYLE);
-							valueControl.setTooltip(tooltip);
-							tooltip.setText(parameter.getStatus().getDetails());
-						} else if (parameter.getStatus() == ParameterStatus.WARNING) {
-							valueControl.setStyle(GUI.WARNING_PARAMETER_STYLE);
-							valueControl.setTooltip(tooltip);
-							tooltip.setText(parameter.getStatus().getDetails());
-						} else {
-							valueControl.setStyle(GUI.VALID_PARAMETER_STYLE);
-							valueControl.setTooltip(null);
-						}
+						setValidityStyle();
+						sp.revalidateParameters();
 					}
 
 				}
@@ -92,7 +83,9 @@ public class GUIIntegerParameter extends GUIParameter {
 
 	@Override
 	public boolean requiresReset() {
-		return parameter.isCritical() && ((IntegerParameter) parameter).get() != originalValue;
+		// true if critical and the value has changed, or it requires a reset anyway
+		return (parameter.isCritical() && ((IntegerParameter) parameter).get() != originalValue)
+				|| parameter.getStatus() == ParameterStatus.WARNING_RESET;
 	}
 	
 	@Override
@@ -100,4 +93,25 @@ public class GUIIntegerParameter extends GUIParameter {
 		originalValue = ((IntegerParameter) parameter).get();
 	}
 
+	@Override
+	public void validate() {
+		((IntegerParameter) parameter).validate(((IntegerParameter) parameter).get());
+		setValidityStyle();
+	}
+	
+	private void setValidityStyle() {
+		if (parameter.getStatus() == ParameterStatus.INVALID) {
+			valueControl.setStyle(GUI.INVALID_PARAMETER_STYLE);
+			valueControl.setTooltip(tooltip);
+			tooltip.setText(parameter.getStatus().getDetails());
+		} else if (parameter.getStatus() == ParameterStatus.WARNING || parameter.getStatus() ==  ParameterStatus.WARNING_RESET) {
+			valueControl.setStyle(GUI.WARNING_PARAMETER_STYLE);
+			valueControl.setTooltip(tooltip);
+			tooltip.setText(parameter.getStatus().getDetails());
+		} else {
+			valueControl.setStyle(GUI.VALID_PARAMETER_STYLE);
+			valueControl.setTooltip(null);
+		}
+	}
+
 }
diff --git a/src/jcgp/gui/settings/parameters/GUIParameter.java b/src/jcgp/gui/settings/parameters/GUIParameter.java
index 9d6f07a..da2fe86 100644
--- a/src/jcgp/gui/settings/parameters/GUIParameter.java
+++ b/src/jcgp/gui/settings/parameters/GUIParameter.java
@@ -14,6 +14,8 @@ import jcgp.backend.parameters.BooleanParameter;
 import jcgp.backend.parameters.DoubleParameter;
 import jcgp.backend.parameters.IntegerParameter;
 import jcgp.backend.parameters.Parameter;
+import jcgp.backend.parameters.ParameterStatus;
+import jcgp.gui.settings.SettingsPane;
 
 public abstract class GUIParameter extends HBox {
 		
@@ -59,15 +61,23 @@ public abstract class GUIParameter extends HBox {
 	
 	public abstract void applyValue();
 	
-	public static GUIParameter create(Parameter parameter) {
+	public abstract void validate();
+	
+	public static GUIParameter create(Parameter parameter, SettingsPane sp) {
 		if (parameter instanceof IntegerParameter) {
-			return new GUIIntegerParameter((IntegerParameter) parameter);
+			return new GUIIntegerParameter((IntegerParameter) parameter, sp);
 		} else if (parameter instanceof DoubleParameter) {
-			return new GUIDoubleParameter((DoubleParameter) parameter);
+			return new GUIDoubleParameter((DoubleParameter) parameter, sp);
 		} else if (parameter instanceof BooleanParameter) {
-			return new GUIBooleanParameter((BooleanParameter) parameter);
+			return new GUIBooleanParameter((BooleanParameter) parameter, sp);
 		} else {
 			throw new ClassCastException("No GUIParameter subclass exists for argument of type " + parameter.getClass());
 		}
 	}
+	
+	public boolean isValid() {
+		return parameter.getStatus() == ParameterStatus.VALID
+				|| parameter.getStatus() == ParameterStatus.WARNING
+				|| parameter.getStatus() == ParameterStatus.WARNING_RESET;
+	}
 }