traffic-laser/src/graphic/Service/DataService.js

import Line from "../Geometry/Line.js";
import CurveLine from "../Geometry/CurveLine.js";

export class DataService {
  constructor() {
    this.grid = {
      startX: 0,
      startY: 0,
      step1: 50,
      step2: 250,
      defalutstep1: 50,
      defalutstep2: 250,
      display: true,
    };
    this.vectorData = {};
    this.currentId = 0; // 当前可用id
  }

  setCurrentId(id) {
    this.currentId = id;
  }

  getCurrentId() {
    return this.currentId;
  }

  updateCurrentId() {
    ++this.currentId;
  }

  getVectorData() {
    return this.vectorData;
  }

  initVectorData() {
    this.vectorData.backgroundImg = null;
    //直路
    this.vectorData.roadPoints = {};
    this.vectorData.roads = {};
    this.vectorData.roadEdges = {};
    //弯路
    this.vectorData.curveRoadPoints = {};
    this.vectorData.curveRoads = {};
    this.vectorData.curveRoadEdges = {};
    //直路交叉的时候，产生的曲线控制点
    this.vectorData.controlPoints = {};
    //直线，起点和终点都是point的id
    this.vectorData.lines = {};
    //弯曲线条
    this.vectorData.curvelines = {};
    //线段（完全或者直线）上的端点
    this.vectorData.points = {};
    this.vectorData.circles = {};
    //基准点
    this.vectorData.basePointIds = [];
    this.vectorData.texts = {};
  }

  //网格
  getGrid() {
    return this.grid;
  }

  setGridForPan(dx, dy) {
    this.grid.startX += dx;
    this.grid.startY += dy;
  }

  setGridForZoom(w, h, ratio) {
    console.log("setGridForZoom:" + ratio);
    this.grid.startX = w / 2 - (ratio * w) / 2;
    this.grid.startY = w / 2 - (ratio * h) / 2;
    this.grid.step1 = this.grid.defalutstep1 * ratio;
    this.grid.step2 = this.grid.defalutstep2 * ratio;
    while (this.grid.startX > 0) {
      this.grid.startX -= this.grid.step1;
    }
    while (this.grid.startY > 0) {
      this.grid.startY -= this.grid.step2;
    }
  }

  setGridDisplay(value) {
    this.grid.display = value;
  }

  getGridDisplay() {
    return this.grid.display;
  }

  //背景图片
  addBackgroundImg(img) {
    this.vectorData.backgroundImg = img;
  }

  getBackgroundImg() {
    return this.vectorData.backgroundImg;
  }

  setAngle(angle) {
    this.vectorData.backgroundImg.angle = angle;
  }

  //直线
  addLine(line) {
    this.vectorData.lines[line.vectorId] = line;
  }

  getLines() {
    return this.vectorData.lines;
  }

  getLine(lineId) {
    return this.vectorData.lines[lineId];
  }

  deleteLine(lineId) {
    delete this.vectorData.lines[lineId];
  }

  //直线的端点
  getPoints() {
    return this.vectorData.points;
  }

  getPoint(pointId) {
    return this.vectorData.points[pointId];
  }

  addPoint(point) {
    this.vectorData.points[point.vectorId] = point;
  }

  // deletePoint(pointId) {
  //   delete this.vectorData.points[pointId];
  // }

  deletePoint(pointId, lineId) {
    let point = this.getPoint(pointId);
    //有可能先删除墙，导致点没了
    if (point) {
      if (Object.keys(point.parent).length == 0) {
        point = null;
        delete this.vectorData.points[pointId];
      } else if (Object.keys(point.parent).length == 1 && !lineId) {
        delete this.vectorData.points[pointId];
      } else if (
        Object.keys(point.parent).length == 1 &&
        point.parent[lineId]
      ) {
        delete this.vectorData.points[pointId];
      } else if (
        Object.keys(point.parent).length == 1 &&
        !point.parent[lineId]
      ) {
        return;
      } else {
        delete point.parent[lineId];
      }
    }
  }

  deletePoint(pointId) {
    const point = dataService.getRoadPoint(pointId);
    const parent = point.parent;
    for (const key in parent) {
      dataService.deleteRoadPoint(pointId, key);
    }
  }

  //圆圈
  getCircles() {
    return this.vectorData.circles;
  }

  getCircle(circleId) {
    return this.vectorData.circles[circleId];
  }

  addCircle(circle) {
    this.vectorData.circles[circle.vectorId] = circle;
  }

  deleteCircle(circleId) {
    delete this.vectorData.circles[circleId];
  }

  //弯曲线条
  addCurveLine(curveLine) {
    this.vectorData.curvelines[curveLine.vectorId] = curveLine;
  }

  addCurvePoint(curvePoint) {
    this.vectorData.curvePoints[curvePoint.vectorId] = curvePoint;
  }

  getCurvePoints() {
    return this.vectorData.curvePoints;
  }

  getCurvePoint(curvePointId) {
    if (curvePointId) {
      return this.vectorData.curvePoints[curvePointId];
    } else {
      return null;
    }
  }

  deleteCurvePoint(curvePointId) {
    delete this.vectorData.curvePoints[curvePointId];
  }

  getCurveLines() {
    return this.vectorData.curvelines;
  }

  getCurveLine(curveLineId) {
    if (curveLineId) {
      return this.vectorData.curvelines[curveLineId];
    } else {
      return null;
    }
  }

  /**
   * 对弯路的操作
   */
  addCurveRoadPoint(curveRoadPoint) {
    this.vectorData.curveRoadPoints[curveRoadPoint.vectorId] = curveRoadPoint;
  }

  getCurveRoadPoints() {
    return this.vectorData.curveRoadPoints;
  }

  getCurveRoadPoint(curveRoadPointId) {
    if (curveRoadPointId) {
      return this.vectorData.curveRoadPoints[curveRoadPointId];
    } else {
      return null;
    }
  }

  deleteCurveRoadPoint(curveRoadPointId) {
    delete this.vectorData.curveRoadPoints[curveRoadPointId];
  }

  addCurveRoad(curveRoad) {
    this.vectorData.curveRoads[curveRoad.vectorId] = curveRoad;
  }

  getCurveRoads() {
    return this.vectorData.curveRoads;
  }

  getCurveRoad(curveRoadId) {
    if (curveRoadId) {
      return this.vectorData.curveRoads[curveRoadId];
    } else {
      return null;
    }
  }

  deleteCurveRoad(curveRoadId) {
    let curveRoad = this.getCurveRoad(curveRoadId);
    for (let i = 0; i < curveRoad.points.length; ++i) {
      this.deleteCurveRoadPoint(curveRoad.points[i].vectorId);
    }
    this.deleteCurveRoadEdge(curveRoad.leftEdgeId);
    this.deleteCurveRoadEdge(curveRoad.rightEdgeId);
    delete this.vectorData.curveRoads[curveRoadId];
  }

  getCurveRoadEdge(curveRoadEdgeId) {
    return this.vectorData.curveRoadEdges[curveRoadEdgeId];
  }

  addCurveRoadEdge(curveRoadEdge) {
    this.vectorData.curveRoadEdges[curveRoadEdge.vectorId] = curveRoadEdge;
  }

  deleteCurveRoadEdge(curveRoadEdgeId) {
    delete this.vectorData.curveRoadEdges[curveRoadEdgeId];
  }

  //直线
  getRoads() {
    return this.vectorData.roads;
  }

  getRoad(roadId) {
    if (roadId) {
      return this.vectorData.roads[roadId];
    } else {
      return null;
    }
  }

  addRoad(road) {
    this.vectorData.roads[road.vectorId] = road;
  }

  deleteRoad(roadId) {
    let road = this.getRoad(roadId);
    this.deleteRoadPoint(road.startId, roadId);
    this.deleteRoadPoint(road.endId, roadId);
    this.deleteRoadEdge(road.leftEdgeId);
    this.deleteRoadEdge(road.rightEdgeId);
    delete this.vectorData.roads[roadId];
  }

  deleteRoadEdge(edgeId) {
    delete this.vectorData.roadEdges[edgeId];
  }

  /**
   * 对端点的操作
   */
  getRoadPoints() {
    return this.vectorData.roadPoints;
  }

  getRoadPoint(roadPointId) {
    if (roadPointId) {
      return this.vectorData.roadPoints[roadPointId];
    } else {
      return null;
    }
  }

  deleteRoadPoint(roadPointId, roadId) {
    let roadPoint = this.getRoadPoint(roadPointId);
    //有可能先删除墙，导致点没了
    if (roadPoint) {
      if (Object.keys(roadPoint.parent).length == 0) {
        roadPoint = null;
        delete this.vectorData.roadPoints[roadPointId];
      } else if (Object.keys(roadPoint.parent).length == 1 && !roadId) {
        delete this.vectorData.roadPoints[roadPointId];
      } else if (
        Object.keys(roadPoint.parent).length == 1 &&
        roadPoint.parent[roadId]
      ) {
        delete this.vectorData.roadPoints[roadPointId];
      } else if (
        Object.keys(roadPoint.parent).length == 1 &&
        !roadPoint.parent[roadId]
      ) {
        return;
      } else {
        delete roadPoint.parent[roadId];
      }
    }
  }

  addRoadPoint(roadPoint) {
    this.vectorData.roadPoints[roadPoint.vectorId] = roadPoint;
  }

  getRoadEdge(roadEdgeId) {
    return this.vectorData.roadEdges[roadEdgeId];
  }

  addRoadEdge(roadEdge) {
    this.vectorData.roadEdges[roadEdge.vectorId] = roadEdge;
  }

  /**
   * 对控制点的操作
   */
  getControlPoints() {
    return this.vectorData.controlPoints;
  }

  getControlPoint(edgeId1, edgeId2) {
    if (this.vectorData.controlPoints[edgeId1 + "-" + edgeId2]) {
      return this.vectorData.controlPoints[edgeId1 + "-" + edgeId2];
    } else if (this.vectorData.controlPoints[edgeId2 + "-" + edgeId1]) {
      return this.vectorData.controlPoints[edgeId2 + "-" + edgeId1];
    } else {
      return null;
    }
  }

  getControlPoint2(key) {
    return this.vectorData.controlPoints[key];
  }

  getControlPointForEdgeId(edgeId, dir) {
    for (let key in this.vectorData.controlPoints) {
      const controlPoint = this.vectorData.controlPoints[key];
      if (
        controlPoint.edgeInfo1.id == edgeId &&
        controlPoint.edgeInfo1.dir == dir
      ) {
        return this.vectorData.controlPoints[key];
      } else if (
        controlPoint.edgeInfo2.id == edgeId &&
        controlPoint.edgeInfo2.dir == dir
      ) {
        return this.vectorData.controlPoints[key];
      }
    }
  }

  addControlPoint(controlPoint) {
    this.vectorData.controlPoints[
      controlPoint.edgeInfo1.id + "-" + controlPoint.edgeInfo2.id
    ] = controlPoint;
  }

  deleteControlPoint(edgeId1, edgeId2) {
    let key = edgeId1 + "-" + edgeId2;
    if (!this.vectorData.controlPoints[key]) {
      key = edgeId2 + "-" + edgeId1;
    }
    if (this.vectorData.controlPoints[key]) {
      delete this.vectorData.controlPoints[key];
    }
  }

  deleteControlPointForEdge(edgeId, dir) {
    let dControlPointIds = [];
    for (let key in this.vectorData.controlPoints) {
      const controlPoint = this.vectorData.controlPoints[key];
      if (
        controlPoint.edgeInfo1.id == edgeId ||
        controlPoint.edgeInfo2.id == edgeId
      ) {
        dControlPointIds.push(key);
      }
    }

    for (let i = 0; i < dControlPointIds.length; ++i) {
      const controlPoint = this.vectorData.controlPoints[dControlPointIds[i]];
      if (
        controlPoint.edgeInfo1.id == edgeId &&
        controlPoint.edgeInfo1.dir == dir
      ) {
        delete this.vectorData.controlPoints[dControlPointIds[i]];
      } else if (
        controlPoint.edgeInfo2.id == edgeId &&
        controlPoint.edgeInfo2.dir == dir
      ) {
        delete this.vectorData.controlPoints[dControlPointIds[i]];
      }
    }
  }

  /**
   * 对标注的操作
   */
  addText(text) {
    this.vectorData.texts[text.vectorId] = text;
  }

  getText(textId) {
    return this.vectorData.texts[textId];
  }

  deleteText(textId) {
    delete this.vectorData.texts[textId];
  }

  getTexts() {
    return this.vectorData.texts;
  }

  clear() {
    this.vectorData = {};
  }
}

const dataService = new DataService();
export { dataService };