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 *      .&888888I                                          Copyright (c) 2016-2020.  博锐尚格科技股份有限公司
 *        ~8888'
 *        .!88~                                                                     All rights reserved.
 *
 * *********************************************************************************************************************
 */

import { SColor, SPainter, SPoint } from '@persagy-web/draw/lib';
import { SGraphItem } from '@persagy-web/graph/lib';
import { SLineStyle } from '../../edit/enums/SLineStyle';

/**
 * 对象关系 虚线 item
 *
 * @author  韩耀龙 <han_yao_long@163.com>
 */
export class SBaseObjectRelation extends SGraphItem {
  /** 线起始点 */
  startPoint: SPoint | null = null;
  /** 结束始点 */
  endPoint: SPoint | null = null;

  /** 线条颜色 */
  private _strokeColor: SColor = SColor.Black;
  get strokeColor(): SColor {
    return this._strokeColor;
  } // Get strokeColor
  set strokeColor(v: SColor) {
    this._strokeColor = v;
    this.update();
  }// Get strokeColor

  /** 线条样式 */
  private _lineStyle: SLineStyle = SLineStyle.Solid;
  get lineStyle(): SLineStyle {
    return this._lineStyle;
  } // Get lineStyle
  set lineStyle(v: SLineStyle) {
    this._lineStyle = v;
    this.update();
  } // Set lineStyle

  /** 线条宽度 */
  private _lineWidth: number = 1;
  get lineWidth(): number {
    return this._lineWidth;
  } //Get lineWidth
  set lineWidth(v: number) {
    this._lineWidth = v;
    this.update();
  } //Set lineWidth

  /**
    * 绘制
    *
    * @param painter   绘制对象
    */
  onDraw(painter: SPainter): void {
    if (this.startPoint && this.endPoint) {
      painter.pen.lineWidth = painter.toPx(this.lineWidth);
      painter.pen.color = this.strokeColor;
      if (this.lineStyle == SLineStyle.Dashed) {
        painter.pen.lineDash = [
          painter.toPx(this.lineWidth * 3),
          painter.toPx(this.lineWidth * 7)
        ];
      } else if (this.lineStyle == SLineStyle.Dotted) {
        painter.pen.lineDash = [
          painter.toPx(2 * this.lineWidth),
          painter.toPx(2 * this.lineWidth)
        ];
      }
      painter.drawLine(this.startPoint, this.endPoint);
    }
  } // Function onDraw()
} // Class SBaseObjectRelation