cdb

2020-06-15 12:07:54 +08:00
parent 610ed21a90
commit a96ef233c9
444 changed files with 0 additions and 0 deletions
@@ -0,0 +1,61 @@
+
+(function() {
+  /**
+  * base layer for all leaflet layers
+  */
+  var LeafLetLayerView = function(layerModel, leafletLayer, leafletMap) {
+    this.leafletLayer = leafletLayer;
+    this.leafletMap = leafletMap;
+    this.model = layerModel;
+
+    this.setModel(layerModel);
+
+    this.type = layerModel.get('type') || layerModel.get('kind');
+    this.type = this.type.toLowerCase();
+  };
+
+  _.extend(LeafLetLayerView.prototype, Backbone.Events);
+  _.extend(LeafLetLayerView.prototype, {
+
+    setModel: function(model) {
+      if (this.model) {
+        this.model.unbind('change', this._modelUpdated, this);
+      }
+      this.model = model;
+      this.model.bind('change', this._modelUpdated, this);
+    },
+
+    /**
+    * remove layer from the map and unbind events
+    */
+    remove: function() {
+      this.leafletMap.removeLayer(this.leafletLayer);
+      this.trigger('remove', this);
+      this.model.unbind(null, null, this);
+      this.unbind();
+    },
+    /*
+
+    show: function() {
+      this.leafletLayer.setOpacity(1.0);
+    },
+
+    hide: function() {
+      this.leafletLayer.setOpacity(0.0);
+    },
+    */
+
+    /**
+     * reload the tiles
+     */
+    reload: function() {
+      this.leafletLayer.redraw();
+    }
+
+  });
+
+
+  cdb.geo.LeafLetLayerView = LeafLetLayerView;
+
+
+})();