From 3cc9f0efa740810f88738788b062f348d8d9b48a Mon Sep 17 00:00:00 2001
From: chenzeping <ChenZeping02609@163.com>
Date: 星期一, 08 三月 2021 09:34:13 +0800
Subject: [PATCH] 修改图例动画功能

---
 src/components/helpers/ServiceLayerHelper.js |   71 ++++++++++++++++++++++++++++-------
 1 files changed, 56 insertions(+), 15 deletions(-)

diff --git a/src/components/helpers/ServiceLayerHelper.js b/src/components/helpers/ServiceLayerHelper.js
index d0c1599..a38ef6c 100644
--- a/src/components/helpers/ServiceLayerHelper.js
+++ b/src/components/helpers/ServiceLayerHelper.js
@@ -15,8 +15,7 @@
     this.tileLayersWMTSArray = [] // 鍒濆鐨刉MTS闆�
     this.tileLayersTileArray = [] // 鍒濆鐨凾ile闆�
     this.tileLayersWMSArray = [] // 鍒濆鐨刉MS闆�
-    this.geojsonArray = {} // 鍒濆鐨刧eojson闆�
-    this.layerConfig = {}
+    this.layerArray = {} // key涓洪厤缃殑code锛屽姞杞界殑鍥惧眰瀵硅薄锛�
     this.regex = /\{(.+?)\}/g // 鍖归厤{}
     this.popupComp = null
   }
@@ -25,14 +24,55 @@
     return this.loadedLayersMap.get(code)
   }
 
+  getByLayerId (layerId) {
+    for (var k in this.layerArray) {
+      var layer = this.layerArray[k]
+      var geojson = layer.toGeoJSON()
+      var features = geojson.features
+      for (var j = 0; j < features.length; j++) {
+        var feature = features[j]
+        if (feature.id === layerId) {
+          return layer
+        }
+      }
+    }
+    return null
+  }
+
+  initDisplayZoom (layerConfig) {
+    var that = this
+    that.map.on('zoomend ', function (e) {
+      const zoom = that.map.getZoom()
+      for (var i = 0, l = layerConfig.length; i < l; i++) {
+        var config = layerConfig[i]
+        var layers = config.layers
+        for (var j = 0; j < layers.length; j++) {
+          var layer = layers[j]
+          if (layer.minZoom) {
+            if (zoom > layer.minZoom) {
+              var layerObj = that.layerArray[layer.code]
+              layerObj && layerObj.addTo(that.map)
+            } else {
+              that.removeLayer(layer)
+            }
+          }
+        }
+      }
+    })
+  }
+
   /**
      * 鏍规嵁閰嶇疆鏂囦欢鍒濆鍖栦笟鍔″簳鍥�
      */
   initServiceLayers (layerConfig, popupComp) {
     this.layerConfig = layerConfig
     this.popupComp = popupComp
+    store.commit('clearSewersDatas')
+    store.commit('clearSewersLayers')
     this.loadLayers(layerConfig.mapConfig.Layers.LayerSewersLine)
     this.loadLayers(layerConfig.mapConfig.Layers.layerSewersPoint)
+    this.initDisplayZoom(layerConfig.mapConfig.Layers.LayerSewersLine)
+    this.initDisplayZoom(layerConfig.mapConfig.Layers.layerSewersPoint)
   }
 
   /**
@@ -82,12 +122,14 @@
     var code = item.code
     var newUrl = url.replace(this.regex, matchValue)
     var that = this
-    if (!that.geojsonArray[code]) {
+    if (!that.layerArray[code]) {
       AjaxUtils.GetDataAsynByUrl(newUrl, {}, function (res) {
-        store.commit('setSewersDatas', res)
+        store.commit('addSewersDatas', res)
         var layer = that.loadGeojson(res, item)
-        that.geojsonArray[code] = layer
+        that.layerArray[code] = layer
       })
+    } else {
+      that.layerArray[code].addTo(that.map)
     }
   }
 
@@ -98,7 +140,6 @@
   loadGeojson (res, opt) {
     var that = this
     var icon = opt.icon
-    const featureGroup = that.L.featureGroup().addTo(that.map)
     const geojson = that.L.geoJSON(res.features, {
       style: function (feature) {
         return {
@@ -135,10 +176,13 @@
       .bindTooltip(function (layer) {
         const nameId = layer.feature.id
         let name = ''
-        if (nameId.indexOf('涓夐��') !== -1 || nameId.indexOf('鍥涢��') !== -1) {
+        if (nameId.indexOf('涓夐��') !== -1 || nameId.indexOf('鍥涢��') !== -1 || nameId.indexOf('绐ㄤ簳') !== -1) {
           name = layer.feature.properties.pointnumber
         } else {
           name = layer.feature.properties.name
+        }
+        if (name === undefined) {
+          name = ''
         }
         return name
       }, { direction: 'bottom', offset: [0, 15], sticky: true })
@@ -171,22 +215,19 @@
             }
           })
         }
-      }).addTo(featureGroup)
+      }).addTo(that.map)
+    store.commit('addSewersDatas', geojson)
     if (Object.prototype.hasOwnProperty.call(res, 'features') && res.features.length > 0 && (res.features[0].geometry.type === 'LineString' || res.features[0].geometry.type === 'MultiLineString')) {
       geojson.bringToBack()
     } else {
       geojson.bringToFront()
     }
-    return featureGroup
+    return geojson
   }
 
   removeLayer (item) {
-    var code = item.code
-    var layer = this.geojsonArray[code]
-    if (layer) {
-      this.map.removeLayer(layer)
-      delete this.geojsonArray[code]
-    }
+    var layer = this.layerArray[item.code]
+    layer && this.map.removeLayer(layer)
   }
 
   /**

--
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