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package jcgp.gui.population;
import javafx.geometry.VPos;
import javafx.scene.Group;
import javafx.scene.paint.Paint;
import javafx.scene.shape.Circle;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.scene.text.TextAlignment;
import jcgp.gui.constants.Constants;
/**
* Defines the general behaviour of the visual representation of each chromosome gene.
* <br><br>
* In practice, this is subclass of {@code javafx.scene.Group} containing a {@code Circle}
* object and a {@code Text} object. Subclasses may add further elements to the group, for
* instance to display connection input and output sockets.
*
* @author Eduardo Pedroni
*
*/
public abstract class GUIGene extends Group {
public enum GUIGeneState {
NEUTRAL,
HOVER,
EXTENDED_HOVER,
ACTIVE_HOVER
}
private GUIGeneState currentState = GUIGeneState.NEUTRAL;
private Text text = new Text();
private Circle mainCircle = new Circle(Constants.NODE_RADIUS, Paint.valueOf(Constants.NEUTRAL_COLOUR));
/**
* Initialises the {@code Text} and {@code Circle} objects so that all genes are standardised.
*/
protected GUIGene() {
text.setFont(Font.font("Arial", 12));
text.setTextOrigin(VPos.CENTER);
text.setTextAlignment(TextAlignment.CENTER);
text.setWrappingWidth(Constants.NODE_RADIUS * 2);
text.setX(-Constants.NODE_RADIUS);
text.setVisible(true);
mainCircle.setStroke(Paint.valueOf("black"));
getChildren().addAll(mainCircle, text);
}
/**
* Sets the gene's text field.
*
* @param newText the text string to be displayed.
*/
public void setText(String newText) {
text.setText(newText);
}
public GUIGeneState getState() {
return currentState;
}
public void setState(GUIGeneState newState) {
switch (newState) {
case NEUTRAL:
mainCircle.setFill(Paint.valueOf(Constants.NEUTRAL_COLOUR));
setLinesVisible(false);
break;
case HOVER:
mainCircle.setFill(Paint.valueOf(Constants.MEDIUM_HIGHLIGHT_COLOUR));
setLinesVisible(true);
break;
case EXTENDED_HOVER:
mainCircle.setFill(Paint.valueOf(Constants.SOFT_HIGHLIGHT_COLOUR));
setLinesVisible(false);
break;
case ACTIVE_HOVER:
mainCircle.setFill(Paint.valueOf(Constants.SOFT_HIGHLIGHT_COLOUR));
setLinesVisible(true);
break;
default:
break;
}
currentState = newState;
}
protected abstract void setLinesVisible(boolean value);
}
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