@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
if (tempLine != null) {
tempLine.draw(g);
}
graph.draw(g);
}
public void verticeMouseDragged(MouseEvent e) {
if (SwingUtilities.isLeftMouseButton(e)) {
if (currentVertex != null) {
Point diff = Vector2DHelper.SubstractVector(e.getPoint(), previousPoint);
currentVertex.setLocation(Vector2DHelper.AddVector(currentVertex.getLocation(), diff));
previousPoint = e.getPoint();
repaint();
}
} else if (SwingUtilities.isRightMouseButton(e)) {
if (tempLine != null) {
tempLine.setPoint2(e.getPoint());
repaint();
}
}
}
public void verticeMousePressed(MouseEvent e) {
if (e.getClickCount() == 2) {
for (Edge edge : graph.getEdges()) {
if (edge.contains(e.getPoint())) {
String input = DialogHelpers.showInPutDialog("Input", "Enter cost: ");
try {
int number = Integer.parseInt(input);
edge.setCost(number);
repaint();
} catch (NumberFormatException e1) {
// e1.printStackTrace();
}
}
}
return;
}
if (SwingUtilities.isLeftMouseButton(e)) {
for (Vertex vertex : graph.getVertices()) {
if (vertex.contains(e.getPoint())) {
currentVertex = vertex;
previousPoint = e.getPoint();
return;
}
}
for (Edge edge : graph.getEdges()) {
if (edge.contains(e.getPoint())) {}
}
} else if (SwingUtilities.isRightMouseButton(e)) {
for (Vertex vertex : graph.getVertices()) {
if (vertex.contains(e.getPoint())) {
currentVertex = vertex;
tempLine = new Line();
tempLine.setPoint1(e.getPoint());
}
}
}
}