Initial commit

2020-06-13 18:34:34 +08:00
commit 52aaa9f15d
655 changed files with 96796 additions and 0 deletions
@@ -0,0 +1,49 @@
+var View = require('../../core/view');
+
+/**
+ * Show or hide tiles loader
+ *
+ * Usage:
+ *
+ * var tiles_loader = new TilesLoader();
+ * mapWrapper.$el.append(tiles_loader.render().$el);
+ */
+var TilesLoader = View.extend({
+  className: 'CDB-Loader',
+
+  options: {
+    animationSpeed: 500
+  },
+
+  initialize: function () {
+    this.isVisible = 0;
+  },
+
+  render: function () {
+    return this;
+  },
+
+  show: function (ev) {
+    if (this.isVisible) {
+      return;
+    }
+    this.$el.addClass('is-visible');
+    this.isVisible++;
+  },
+
+  hide: function (ev) {
+    this.isVisible--;
+    if (this.isVisible > 0) {
+      return;
+    }
+    this.isVisible = 0;
+    this.$el.removeClass('is-visible');
+  },
+
+  visible: function () {
+    return this.isVisible > 0;
+  }
+
+});
+
+module.exports = TilesLoader;