@inweb/viewer-visualize/src/Viewer/Draggers/OdPanDragger.ts

JavaScript library for rendering CAD and BIM files in a browser using VisualizeJS

///////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2002-2025, Open Design Alliance (the "Alliance").
// All rights reserved.
//
// This software and its documentation and related materials are owned by
// the Alliance. The software may only be incorporated into application
// programs owned by members of the Alliance, subject to a signed
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable
// trade secrets of the Alliance and its suppliers. The software is also
// protected by copyright law and international treaty provisions. Application
// programs incorporating this software must include the following statement
// with their copyright notices:
//
//   This application incorporates Open Design Alliance software pursuant to a
//   license agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2025 by Open Design Alliance.
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you
// acknowledge and accept the above terms.
///////////////////////////////////////////////////////////////////////////////

import { Viewer } from "../Viewer";
import { PanAction } from "./Actions/PanAction";
import { Point3d } from "./Common/Geometry";
import { OdBaseDragger } from "./Common/OdBaseDragger";

export class OdPanDragger extends OdBaseDragger {
  private _panAction: PanAction;
  protected m_start: Point3d;

  constructor(subject: Viewer) {
    super(subject);
    this.autoSelect = true;
    this.press = false;
    this._panAction = new PanAction(
      this.m_module,
      this.subject,
      this.beginInteractivity,
      this.endInteractivity,
      this.getViewParams,
      this.setViewParams
    );
  }

  override start(x: number, y: number, absoluteX: number, absoluteY: number): void {
    this.press = true;
    this._panAction.beginAction(x, y, absoluteX, absoluteY);
  }

  override drag(x: number, y: number, absoluteX: number, absoluteY: number): void {
    if (this.press) {
      this._panAction.action(x, y, absoluteX, absoluteY);
    }
  }

  override end(x: number, y: number): void {
    this.press = false;
    this._panAction.endAction();
  }
}