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package jcgp.gui.population;
import javafx.event.EventHandler;
import javafx.scene.input.MouseDragEvent;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.Paint;
import javafx.scene.shape.Circle;
import jcgp.backend.population.Connection;
import jcgp.backend.population.Input;
import jcgp.backend.population.Output;
import jcgp.gui.GUI;
public class GUIInput extends GUIGene {
private Input input;
public GUIInput(ChromosomePane parentRef, final Input input) {
super();
this.parent = parentRef;
this.input = input;
relocate(NODE_RADIUS,
(input.getIndex() * (2 * NODE_RADIUS + SPACING)) + NODE_RADIUS);
text.setText("I: " + input.getIndex());
Circle outputSocket = new Circle(NODE_RADIUS, 0, SOCKET_RADIUS, Paint.valueOf("white"));
outputSocket.setId(String.valueOf(0));
outputSocket.setStroke(Paint.valueOf("black"));
getChildren().addAll(mainCircle, text, outputSocket);
/*
* Mouse event handlers on whole gene
*/
addEventFilter(MouseDragEvent.MOUSE_DRAG_ENTERED, new EventHandler<MouseDragEvent>() {
@Override
public void handle(MouseDragEvent event) {
// the drag has entered this node, react appropriately
// this happens even if we are the source of the drag
((GUIGene) event.getGestureSource()).setConnectionLine((GUIGene) event.getSource());
if (event.getGestureSource() instanceof GUINode) {
Connection source = ((GUINode) event.getGestureSource()).getChangingConnection();
if (input == source) {
setState(GUIGeneState.NO_CHANGE_TARGET);
return;
}
} else if (event.getGestureSource() instanceof GUIOutput) {
Output source = ((GUIOutput) event.getGestureSource()).getGene();
if (((GUIGene) event.getSource()).getGene() == source.getSource()) {
((GUIGene) event.getSource()).setState(GUIGeneState.NO_CHANGE_TARGET);
}
}
setState(GUIGeneState.TARGET);
}
});
addEventFilter(MouseDragEvent.MOUSE_DRAG_EXITED, new EventHandler<MouseDragEvent>() {
@Override
public void handle(MouseDragEvent event) {
// the drag has exited this node, react appropriately
// this happens even if we are the source of the drag
parent.setTarget(false);
if (event.isPrimaryButtonDown()) {
if (getState() == GUIGeneState.NO_CHANGE_TARGET) {
setState(GUIGeneState.INDIRECT_HOVER);
} else {
setState(GUIGeneState.NEUTRAL);
((GUIGene) event.getGestureSource()).setConnections(GUIGeneState.INDIRECT_HOVER);
}
}
}
});
addEventFilter(MouseDragEvent.MOUSE_DRAG_RELEASED, new EventHandler<MouseDragEvent>() {
@Override
public void handle(MouseDragEvent event) {
GUIGene source = ((GUIGene) event.getGestureSource());
// set states to reflect the new situation
if (source.isLocked()) {
source.setState(GUIGeneState.HOVER);
source.setConnections(GUIGeneState.HOVER);
} else {
source.setState(GUIGeneState.NEUTRAL);
source.setConnections(GUIGeneState.NEUTRAL);
}
// the user released the drag gesture on this node, react appropriately
if (source.isLocked()) {
// remove locks from the old connection, add the to the new
// note that the old connection may still have locks after this
parent.getGuiGene(source.getChangingConnection()).removeLocks(source.getLocks());
source.setChangingConnection(input);
addLocks(source.getLocks());
} else {
source.setChangingConnection(input);
}
source.updateLines();
setState(GUIGeneState.HOVER);
}
});
addEventFilter(MouseEvent.MOUSE_ENTERED, new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
// cursor has entered this node without dragging, or it is dragging and this is the source
if (getState() == GUIGeneState.NEUTRAL) {
setState(GUIGeneState.HOVER);
}
}
});
addEventFilter(MouseEvent.MOUSE_EXITED, new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
// cursor has left this node without dragging, or it is dragging and this is the source
if (getState() == GUIGeneState.HOVER) {
setState(GUIGeneState.NEUTRAL);
setConnections(GUIGeneState.NEUTRAL);
}
}
});
}
@Override
public void setState(GUIGeneState newState) {
super.setState(newState);
switch (newState) {
case ACTIVE_HOVER:
if (locked > 0) {
setState(GUIGeneState.LOCKED_HOVER);
} else {
mainCircle.setFill(Paint.valueOf(GUI.SOFT_HIGHLIGHT_COLOUR));
}
break;
case FORBIDDEN_TARGET:
mainCircle.setFill(Paint.valueOf(GUI.BAD_SELECTION_COLOUR));
break;
case LOCKED_HOVER:
mainCircle.setFill(Paint.valueOf(GUI.SOFT_HIGHLIGHT_COLOUR));
break;
case HOVER:
mainCircle.setFill(Paint.valueOf(GUI.MEDIUM_HIGHLIGHT_COLOUR));
break;
case INDIRECT_HOVER:
mainCircle.setFill(Paint.valueOf(GUI.SOFT_HIGHLIGHT_COLOUR));
break;
case NEUTRAL:
if (locked > 0) {
setState(GUIGeneState.HOVER);
} else {
mainCircle.setFill(Paint.valueOf(GUI.NEUTRAL_COLOUR));
}
break;
case NO_CHANGE_TARGET:
parent.setTarget(true);
mainCircle.setFill(Paint.valueOf(GUI.NEUTRAL_SELECTION_COLOUR));
break;
case SOURCE:
mainCircle.setFill(Paint.valueOf(GUI.MEDIUM_HIGHLIGHT_COLOUR));
break;
case TARGET:
parent.setTarget(true);
mainCircle.setFill(Paint.valueOf(GUI.GOOD_SELECTION_COLOUR));
break;
default:
break;
}
}
@Override
public Input getGene() {
return input;
}
/**
* Set all connections to a given state.
*
* @param newState the state to set connections to.
*/
@Override
public void setConnections(GUIGeneState newState) {
// nothing
}
@Override
public void resetState() {
setState(GUIGeneState.NEUTRAL);
}
@Override
void setLocked(boolean value) {
locked += value ? 1 : -1;
setState(locked > 0 ? GUIGeneState.HOVER : GUIGeneState.ACTIVE_HOVER);
}
@Override
public void setChangingConnection(Connection newConnection) {
// do nothing
}
@Override
public Connection getChangingConnection() {
return null;
}
@Override
public void addLocks(int value) {
locked += value;
setState(locked > 0 ? GUIGeneState.HOVER : GUIGeneState.ACTIVE_HOVER);
}
@Override
public void updateLines() {
// nothing
}
@Override
public void removeLocks(int value) {
locked -= value;
setState(locked > 0 ? GUIGeneState.HOVER : GUIGeneState.NEUTRAL);
}
@Override
public void setConnectionLine(GUIGene gene) {
// nothing
}
}
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