/*!
 * Copyright (c) 2023, 2025, Oracle and/or its affiliates.
 */

/**
 * @file
 * 
 * Extended joint.linkTools.SourceArrowhead with additional functionality and/or overrides.
 * 
 * Arrowhead is a tool that appears at the end of the link (connection point) and can be
 * dragged by the end-user to reposition the end of the link.
 */

const { linkTools } = joint;

export default class SourceArrowhead extends linkTools.SourceArrowhead {

    preinitialize() {
        super.preinitialize( ...arguments );

        const size = 14;
        this.tagName = "rect";
        this.attributes = {
            x: -size / 2,
            y: -size / 2,
            width: size,
            height: size,
            rx: 4,
            "fill": "#33334F",
            "stroke": "#FFFFFF",
            "stroke-width": 2,
            "cursor": "move",
            "class": "source-arrowhead"
        };
    }

    onPointerDown( e ) {
        super.onPointerDown( e );
        this.relatedView.notify( "link:arrowhead:pointerdown", this, this.ratio, e );
    }

    onPointerUp( e ) {
        super.onPointerUp( e );
        this.relatedView.notify( "link:arrowhead:pointerup", this, this.ratio, e );
    }
}