1 files changed, 73 insertions, 0 deletions
diff --git a/src/jcgp/gui/population/FunctionSelector.java b/src/jcgp/gui/population/FunctionSelector.java
new file mode 100644
index 0000000..0a9606f
--- /dev/null
+++ b/src/jcgp/gui/population/FunctionSelector.java
@@ -0,0 +1,73 @@
+package jcgp.gui.population;
+
+import javafx.event.EventHandler;
+import javafx.scene.control.Label;
+import javafx.scene.input.MouseEvent;
+import javafx.scene.layout.VBox;
+import jcgp.backend.function.FunctionSet;
+import jcgp.gui.GUI;
+
+public class FunctionSelector extends VBox {
+	
+	private GUINode target;
+		
+	public FunctionSelector(FunctionSet functionSet) {
+		setFillWidth(true);
+		setVisible(false);
+		setStyle("-fx-border-color: #A0A0A0; -fx-border-width: 1 1 0 1");
+		
+		remakeFunctions(functionSet);
+		
+		addEventFilter(MouseEvent.MOUSE_EXITED, new EventHandler<MouseEvent>() {
+			@Override
+			public void handle(MouseEvent event) {
+				dismiss();
+			}
+		});
+	}
+	
+	public void remakeFunctions(final FunctionSet fs) {
+		getChildren().clear();
+		
+		for (int i = 0; i < fs.getAllowedFunctionCount(); i++) {
+			final int index = i;
+			Label l = new Label(fs.getAllowedFunction(i).getName());
+			l.setMaxWidth(Double.MAX_VALUE);
+			l.setStyle("-fx-background-color: #FFFFFF; -fx-border-color: #A0A0A0; -fx-border-width: 0 0 1 0; -fx-padding: 2");
+			
+			l.addEventFilter(MouseEvent.MOUSE_ENTERED, new EventHandler<MouseEvent>() {
+				@Override
+				public void handle(MouseEvent event) {
+					((Label) event.getSource()).setStyle("-fx-background-color: " + GUI.SOFT_HIGHLIGHT_COLOUR + "; -fx-border-color: #B0B0B0; -fx-border-width: 0 0 1 0; -fx-padding: 2");
+				}
+			});
+			l.addEventFilter(MouseEvent.MOUSE_EXITED, new EventHandler<MouseEvent>() {
+				@Override
+				public void handle(MouseEvent event) {
+					((Label) event.getSource()).setStyle("-fx-background-color: #FFFFFF; -fx-border-color: #A0A0A0; -fx-border-width: 0 0 1 0; -fx-padding: 2");
+				}
+			});
+			l.addEventFilter(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {
+				@Override
+				public void handle(MouseEvent event) {
+					target.getGene().setFunction(fs.getAllowedFunction(index));
+					target.updateFunction();
+					dismiss();
+				}
+			});
+			
+			getChildren().add(l);
+		}
+	}
+	
+	public void relocateAndShow(MouseEvent event, GUINode node) {
+		relocate(event.getSceneX() - 5, event.getSceneY() - 5);
+		target = node;
+		setVisible(true);
+	}
+	
+	private void dismiss() {
+		setVisible(false);
+	}
+	
+}