private void removeConnector(Connector connector) {
connectorList.remove(connector);
Node connectorNode = connectors.remove(connector.getId());
if (connectorNode != null && connectorNode.getParent() != null) {
// TODO: remove connectors&connections?
if (connector.isInput()) {
inputList.remove(connectorNode);
} else if (connector.isOutput()) {
outputList.remove(connectorNode);
}
NodeUtil.removeFromParent(connectorNode);
}
}
private void addConnector(final Connector connector) {
connectorList.add(connector);
ConnectorCircle circle = new ConnectorCircle(controller, getSkinFactory(), connector, 20);
// Color fillColor = skinFactory.getConnectionFillColor(connector.getType());
// Color strokeColor = skinFactory.getConnectionStrokeColor(connector.getType());
//
// if (fillColor == null) {
// fillColor = new Color(0.1, 0.1, 0.1, 0.5);
// }
//
// if (strokeColor == null) {
// strokeColor = new Color(120 / 255.0, 140 / 255.0, 1, 0.42);
// }
//
//
// circle.setFill(fillColor);
// circle.setStroke(strokeColor);
//
// circle.setStrokeWidth(3);
final Circle connectorNode = circle;
connectors.put(connector.getId(), connectorNode);
if (connector.isInput()) {
inputList.add(connectorNode);
}
if (connector.isOutput()) {
outputList.add(connectorNode);
}
DoubleBinding startXBinding =
new DoubleBinding() {
{
super.bind(node.layoutXProperty(), node.widthProperty());
}
@Override
protected double computeValue() {
double posX = node.getLayoutX();
if (connector.isOutput()) {
posX += node.getWidth();
}
return posX;
}
};
DoubleBinding startYBinding =
new DoubleBinding() {
{
super.bind(node.layoutYProperty(), node.heightProperty());
}
@Override
protected double computeValue() {
double connectorHeight = connectorNode.getRadius() * 2;
double gap = 5;
double numConnectors = inputList.size();
int connectorIndex = inputList.indexOf(connectorNode);
if (connector.isOutput()) {
numConnectors = outputList.size();
connectorIndex = outputList.indexOf(connectorNode);
}
double totalHeight = numConnectors * connectorHeight + (numConnectors - 1) * gap;
double midPointOfNode = node.getLayoutY() + node.getHeight() / 2;
double startY = midPointOfNode - totalHeight / 2;
double y =
startY + (connectorHeight + gap) * connectorIndex + (connectorHeight + gap) / 2;
return y;
}
};
connectorNode.layoutXProperty().bind(startXBinding);
connectorNode.layoutYProperty().bind(startYBinding);
node.boundsInLocalProperty()
.addListener(
new ChangeListener<Bounds>() {
@Override
public void changed(
ObservableValue<? extends Bounds> observable, Bounds oldValue, Bounds newValue) {
computeInputConnectorSize();
computeOutputConnectorSize();
adjustConnectorSize();
}
});
NodeUtil.addToParent(getParent(), connectorNode);
connectorNode
.onMouseEnteredProperty()
.set(
new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent t) {
connectorNode.toFront();
}
});
connectorNode
.onMousePressedProperty()
.set(
new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent t) {
// we are already connected and manipulate the existing connection
// rather than creating a new one
if (controller
.getConnections(connector.getType())
.isInputConnected(connector.getId())) {
return;
}
newConnectionSkin =
new FXNewConnectionSkin(
getSkinFactory(),
getParent(),
connector,
getController(),
connector.getType());
newConnectionSkin.add();
t.consume();
MouseEvent.fireEvent(newConnectionSkin.getReceiverConnector(), t);
}
});
connectorNode
.onMouseDraggedProperty()
.set(
new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent t) {
// we are already connected and manipulate the existing connection
// rather than creating a new one
if (controller
.getConnections(connector.getType())
.isInputConnected(connector.getId())) {
return;
}
t.consume();
MouseEvent.fireEvent(newConnectionSkin.getReceiverConnector(), t);
}
});
connectorNode
.onMouseReleasedProperty()
.set(
new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent t) {
// we are already connected and manipulate the existing connection
// rather than creating a new one
if (controller
.getConnections(connector.getType())
.isInputConnected(connector.getId())) {
return;
}
t.consume();
try {
MouseEvent.fireEvent(newConnectionSkin.getReceiverConnector(), t);
} catch (Exception ex) {
// TODO exception is not critical here (node already removed)
}
}
});
}