定位、高亮重封装

徐旺旺

2021-05-17 3b79ee564d4c77189484711ece4dc80786f79080

 src/components/LayerController/service/LayerFactory.js

@@ -1,5 +1,4 @@
import WfsLayerService from './WfsLayerService'
import { clone, pulseEffect } from '../../../utils/utils'
import { logicMapper, SERVICE_TYPE } from '../../../conf/Constants'
import WmsLayerService from './WmsLayerService'

@@ -18,9 +17,6 @@
    this.minZoomLayers = {}
    this.wmsLayers = []
    this.wmsLayerService = null
    // todo 待优化，wmslayerservice调用，放这里不合适
    this.clickSwitch = true // 图层点击弹窗开关
    this.hightlightLayer = options.L.featureGroup({}).addTo(window.map)
  }

  init (layerConfig) {
@@ -164,146 +160,6 @@
          this.hide(config)
        }
      }
    }
  }

  /**
   *
   * 根据传的 feature对象定位，
   * @param code
   * @param feature
   */
  flyByFeature (feature, code) {
    this.clearHighlight()
    const type = feature.geometry.type
    var point = []
    switch (type) {
      case 'Point':
        point = feature.geometry.coordinates
        break
      case 'MultiLineString':
        var coordinates = feature.geometry.coordinates
        var coordinate = coordinates[parseInt(coordinates.length / 2)][0]
        if (coordinate.length > 2) {
          point = [coordinate[0], coordinate[1]]
        }
        break
      case 'LineString':
        var lineString = feature.geometry.coordinates
        point = lineString[parseInt(lineString.length / 2)][0]
        break
    }
    if (point.length > 2) {
      point.splice(2, 1)
    }
    this.highlight(feature)
    window.map.setView(clone(point).reverse(), 17)
    code && this.openPopup(code, feature.id)
  }

  clearHighlight () {
    this.hightlightLayer.clearLayers()
  }

  highlight (feature) {
    const type = feature.geometry.type
    if (type === 'MultiLineString') {
      this.L.geoJSON(feature, {
        style: function () {
          return {
            fillColor: 'red',
            color: 'red'
          }
        }
      }).addTo(this.hightlightLayer)
    } else if (type === 'Point') {
      let point = clone(feature.geometry.coordinates)
      if (point.length > 2) {
        point = [point[0], point[1]]
      }
      pulseEffect(point.reverse())
      /* var myIcon = this.L.divIcon({ className: 'my-div-icon' })
      this.L.marker(feature.geometry.coordinates.reverse(), {
        icon: myIcon
      }).addTo(this.hightlightLayer) */
    } else if (type === 'LineString') {
      this.L.polyline(this.reversePolyLine(feature), { color: 'red' }).addTo(this.hightlightLayer)
    }
  }

  reverseMultiLine (feature) {
    const coordinates = feature.geometry.coordinates
    var latlng = []
    for (var j = 0; j < coordinates.length; j++) {
      const coordinate = coordinates[j]
      var xy = []
      for (var k = 0; k < coordinate.length; k++) {
        const coor = coordinate[k]
        xy.push(coor.reverse())
      }
      latlng.push(xy)
    }
    return latlng
  }

  reversePolyLine (feature) {
    const coordinates = feature.geometry.coordinates
    var latlng = []
    for (var j = 0; j < coordinates.length; j++) {
      const coordinate = coordinates[j]
      latlng.push(coordinate.reverse())
    }
    return latlng
  }

  openPopup (layerId, id) {
    const layer = this.layers[layerId]

    if (layer) {
      layer.eachLayer(function (layer) {
        const layers = layer.getLayers()
        for (var i = 0; i < layers.length; i++) {
          const lay = layers[i]
          const feature = lay.feature
          lay.closePopup()
          if (feature.id === id) {
            lay.openPopup()
            break
          }
        }
      })
    }
    /* for (var k in this.layers) {
          var layerGroup = this.layers[k]
          layerGroup.eachLayer(function (layer) {
            console.log(layer)
            console.log(layer.getAttribution())
          })
          var layers = layerGroup.getLayers()
          if (layers) {
            for (var m = 0; m < layers.length; m++) {
              var layer = layers[m]
              console.log(layer)
              console.log(layer.getLayerId(val.id))
              /!* var feature = layer.feature
              if (feature.id === layerId) {
                this.map.flyToBounds(bound)
                return layer
              } *!/
            }
          }
        } */
    return null
  }

  findLayerById (layer, id) {
    const layers = layer.getLayers
    if (layers) {
      this.findLayerById(layer.getLayers(), id)
    } else {
      layer.eachLayer(function (layer) {
        // console.log(layer)
      })
    }
  }
}