package nodebox.handle;

import nodebox.graphics.*;

import nodebox.node.Node;

public class PointHandle extends AbstractHandle {

public static final int HANDLE_SIZE = 6;

public static final int HALF_HANDLE_SIZE = HANDLE_SIZE / 2;

public static final Color HANDLE_COLOR = new Color(0.41, 0.39, 0.68);

private String xName, yName;

private boolean dragging;

private double px, py;

private double ox, oy;

public PointHandle(Node node) {

this(node, "x", "y");

}

public PointHandle(Node node, String xName, String yName) {

super(node);

this.xName = xName;

this.yName = yName;

}

public void draw(GraphicsContext ctx) {

float x = node.asFloat(xName);

float y = node.asFloat(yName);

drawDot(ctx, x, y);

}

@Override

public boolean mousePressed(Point pt) {

px = pt.getX();

py = pt.getY();

ox = node.asFloat(xName);

oy = node.asFloat(yName);

Rect hitRect = createHitRectangle(ox, oy);

dragging = hitRect.contains(pt);

return dragging;

}

@Override

public boolean mouseDragged(Point e) {

if (!dragging) return false;

double x = e.getX();

double y = e.getY();

double dx = x - px;

double dy = y - py;

if (dx == 0 && dy == 0) return false;

startCombiningEdits("Set Value");

// TODO: Temporary float fix to get a working compile. Doubles will be removed.

silentSet(xName, (float) (ox + dx));

silentSet(yName, (float) (oy + dy));

return true;

}

@Override

public boolean mouseReleased(Point pt) {

if (!dragging) return false;

dragging = false;

stopCombiningEdits();

return true;

}

}