webapp / GreenwayWeb

<template>
  <div>
    <div id="container"></div>
    <!-- <div id="toolControl">
      <div
        class="toolItem"
        :class="{ active: activeType === 'marker' }"
        id="marker"
        title="点标记"
        @click="setActiveType('marker')"
      ></div>
      <div
        class="toolItem"
        :class="{ active: activeType === 'polyline' }"
        id="polyline"
        title="折线"
        @click="setActiveType('polyline')"
      ></div>
      <div
        class="toolItem"
        :class="{ active: activeType === 'polygon' }"
        id="polygon"
        title="多边形"
        @click="setActiveType('polygon')"
      ></div>
      <div
        class="toolItem"
        :class="{ active: activeType === 'circle' }"
        id="circle"
        title="圆形"
        @click="setActiveType('circle')"
      ></div>
      <div
        class="toolItem"
        :class="{ active: activeType === 'rectangle' }"
        id="rectangle"
        title="矩形"
        @click="setActiveType('rectangle')"
      ></div>
      <div
        class="toolItem"
        :class="{ active: activeType === 'ellipse' }"
        id="ellipse"
        title="椭圆"
        @click="setActiveType('ellipse')"
      ></div>
    </div> -->
    <!-- <div style="height: 100px;">
      绘制：鼠标左键点击及移动即可绘制图形
      <br />
      结束绘制：鼠标左键双击即可结束绘制折线、多边形会自动闭合；圆形、矩形、椭圆单击即可结束
      <br />
      中断：绘制过程中按下esc键可中断该过程
    </div> -->
  </div>
</template>

<script>
export default {
  name: 'IndexAll',
  data() {
    return {
      map: null, // 地图
      editor: null, // 编辑器
      activeType: 'marker', // 激活的图形编辑类型
      marker: null,
      polyline: null,
      polygon: null,
      circle: null,
      rectangle: null,
      ellipse: null,
    };
  },
  props: {
    lat: {
      type: Number,
      default: 30.67
    },
    lng: {
      type: Number,
      default: 104.06
    },
    message:{
      type: String,
      default: ''
    },
  },
  mounted() {
    this.initMap();
    this.setActiveType('polygon')
  },
  methods: {
    setActiveType(type) {
      this.activeType = type;
      this.editor.setActiveOverlay(type);
    },
    initMap() {
      // 初始化地图
      this.map = new TMap.Map('container', {
        zoom: 12, // 设置地图缩放级别
        center: new TMap.LatLng(this.lat, this.lng), // 设置地图中心点坐标
      });
      var path = [];
      if(this.message != '') {
        let listall  = JSON.parse(this.message)
        for (let index = 0; index < listall.length; index++) {
          const element = listall[index];
          const c1 = new TMap.LatLng(element.lat,element.lng)
          path.push(c1)
        }
      }
      
      // 初始化几何图形及编辑器
      this.marker = new TMap.MultiMarker({
        map: this.map,
      });
      this.polyline = new TMap.MultiPolyline({
        map: this.map,
      });
      this.polygon = new TMap.MultiPolygon({
        map: this.map,
        geometries: [
            {
                'id': 'p1', //该多边形在图层中的唯一标识（删除、更新数据时需要）
                'styleId': 'polygon', //绑定样式名
                'paths': path, //多边形轮廓
            }
        ]
      });
      this.circle = new TMap.MultiCircle({
        map: this.map,
      });
      this.rectangle = new TMap.MultiRectangle({
        map: this.map,
      });
      this.ellipse = new TMap.MultiEllipse({
        map: this.map,
      });

      this.editor = new TMap.tools.GeometryEditor({
        map: this.map, // 编辑器绑定的地图对象
        overlayList: [
          {
            overlay: this.marker,
            id: 'marker',
          },
          {
            overlay: this.polyline,
            id: 'polyline',
          },
          {
            overlay: this.polygon,
            id: 'polygon',
          },
          {
            overlay: this.circle,
            id: 'circle',
          },
          {
            overlay: this.rectangle,
            id: 'rectangle',
          },
          {
            overlay: this.ellipse,
            id: 'ellipse',
          },
        ],
        actionMode: TMap.tools.constants.EDITOR_ACTION.DRAW, // 编辑器的工作模式
        activeOverlayId: 'marker', // 激活图层
        snappable: true, // 开启吸附
      });

      // 监听绘制结束事件，获取绘制几何图形
      this.editor.on('draw_complete', (geometry) => {
        const id = geometry.id;
        if (this.editor.getActiveOverlay().id === 'rectangle') {
          const geo = this.rectangle.geometries.filter((item) => item.id === id);
          console.log('绘制的矩形定位的坐标：', geo[0].paths);
        }

        if (this.editor.getActiveOverlay().id === 'polygon') {
          // console.error(this.polygon.geometries)
          const geo = this.polygon.geometries.filter((item) => item.id === id);
          console.log('绘制的多边形坐标：', geo[0].paths);
          // var path = [
          // ];
          // for (let index = 0; index < geo[0].paths.length; index++) {
          //   const element = geo[0].paths[index];
          //   const c1 = new TMap.LatLng(element.lat,element.lng)
          //   path.push(c1)
          // }
          // // 计算多边形形心
          // var position = TMap.geometry.computeCentroid(path);
          // console.log('绘制的多边形坐标：',position);
          this.$emit('updatecenter', geo[0].paths);
        }
      });
    },
    
  },
};
</script>

<style scoped>
html,
body {
  height: 100%;
  margin: 0px;
  padding: 0px;
}

#container {
  width: 100%;
  height: 300px;
}

#toolControl {
  position: absolute;
  top: 10px;
  left: 0px;
  right: 0px;
  margin: auto;
  width: 252px;
  z-index: 1001;
}

.toolItem {
  width: 30px;
  height: 30px;
  float: left;
  margin: 1px;
  padding: 4px;
  border-radius: 3px;
  background-size: 30px 30px;
  background-position: 4px 4px;
  background-repeat: no-repeat;
  box-shadow: 0 1px 2px 0 #e4e7ef;
  background-color: #ffffff;
  border: 1px solid #ffffff;
}

.toolItem:hover {
  border-color: #789cff;
}

.active {
  border-color: #d5dff2;
  background-color: #d5dff2;
}

#marker {
  background-image: url('https://mapapi.qq.com/web/lbs/javascriptGL/demo/img/marker_editor.png');
}

#polyline {
  background-image: url('https://mapapi.qq.com/web/lbs/javascriptGL/demo/img/polyline.png');
}

#polygon {
  background-image: url('https://mapapi.qq.com/web/lbs/javascriptGL/demo/img/polygon.png');
}

#circle {
  background-image: url('https://mapapi.qq.com/web/lbs/javascriptGL/demo/img/circle.png');
}

#rectangle {
  background-image: url('https://mapapi.qq.com/web/lbs/javascriptGL/demo/img/rectangle.png');
}

#ellipse {
  background-image: url('https://mapapi.qq.com/web/lbs/javascriptGL/demo/img/ellipse.png');
}
</style>