Initial commit

2020-06-15 10:58:47 +08:00
commit 4f1dfe7564
8590 changed files with 1516878 additions and 0 deletions
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+var CoreView = require('backbone/core-view');
+
+/**
+ *  Default widget loader view:
+ *
+ *  It will listen or not to dataviewModel changes when
+ *  first load is done.
+ */
+module.exports = CoreView.extend({
+  className: 'CDB-Widget-loader',
+
+  initialize: function () {
+    this._initBinds();
+  },
+
+  render: function () {
+    this.$el.append('<div class="CDB-Loader js-loader"></div>');
+    return this;
+  },
+
+  show: function () {
+    this.$('.js-loader').addClass('is-visible');
+    clearTimeout(this._timeout);
+  },
+
+  hide: function () {
+    var self = this;
+    this._timeout = setTimeout(function () {
+      self.$('.js-loader').removeClass('is-visible');
+    }, 500);
+  },
+
+  _initBinds: function () {
+    this.model.bind('loading', this.show, this);
+    this.model.bind('error', function (mdl, err) {
+      if (!err || (err && err.statusText !== 'abort')) {
+        this.hide();
+      }
+    }, this);
+    this.model.bind('loaded', this.hide, this);
+  }
+});