1 files changed, 69 insertions, 0 deletions
diff --git a/public/js/vendor/leaflet.spin.js b/public/js/vendor/leaflet.spin.js
new file mode 100644
index 0000000..25a3996
--- /dev/null
+++ b/public/js/vendor/leaflet.spin.js
@@ -0,0 +1,69 @@
+(function (factory, window) {
+    // define an AMD module that relies on 'leaflet'
+    if (typeof define === 'function' && define.amd) {
+        define(['leaflet'], function (L) {
+            factory(L);
+        });
+
+    // define a Common JS module that relies on 'leaflet'
+    } else if (typeof exports === 'object') {
+        module.exports = function (L) {
+            if (L === undefined) {
+                L = require('leaflet');
+            }
+            factory(L);
+            return L;
+        };
+    // attach your plugin to the global 'L' variable
+    } else if (typeof window !== 'undefined' && window.L) {
+        factory(window.L);
+    }
+}(function leafletSpinFactory(L) {
+    var SpinMapMixin = {
+        spin: function (state, options) {
+            if (!!state) {
+                // start spinning !
+                if (!this._spinner) {
+                    this._spinner = new Spinner(options)
+                        .spin(this._container);
+                    this._spinning = 0;
+                }
+                this._spinning++;
+            }
+            else {
+                this._spinning--;
+                if (this._spinning <= 0) {
+                    // end spinning !
+                    if (this._spinner) {
+                        this._spinner.stop();
+                        this._spinner = null;
+                    }
+                }
+            }
+        }
+    };
+
+    var SpinMapInitHook = function () {
+        this.on('layeradd', function (e) {
+            // If added layer is currently loading, spin !
+            if (e.layer.loading) this.spin(true);
+            if (typeof e.layer.on !== 'function') return;
+            e.layer.on('data:loading', function () {
+                this.spin(true);
+            }, this);
+            e.layer.on('data:loaded',  function () {
+                this.spin(false);
+            }, this);
+        }, this);
+        this.on('layerremove', function (e) {
+            // Clean-up
+            if (e.layer.loading) this.spin(false);
+            if (typeof e.layer.on !== 'function') return;
+            e.layer.off('data:loaded');
+            e.layer.off('data:loading');
+        }, this);
+    };
+
+    L.Map.include(SpinMapMixin);
+    L.Map.addInitHook(SpinMapInitHook);
+}, window));