feat(plugins): migrated cloudwatch and fixed a bunch of issues with data source edit views

public/app/plugins/datasource/elasticsearch/config_ctrl.ts

@@ -0,0 +1,34 @@
+///<reference path="../../../headers/common.d.ts" />
+
+import angular from 'angular';
+import _ from 'lodash';
+
+export class ElasticConfigCtrl {
+  static templateUrl = 'public/app/plugins/datasource/elasticsearch/partials/config.html';
+  current: any;
+
+  /** @ngInject */
+  constructor($scope) {
+    this.current.jsonData.timeField = this.current.jsonData.timeField || '@timestamp';
+  }
+
+  indexPatternTypes = [
+    {name: 'No pattern',  value: undefined},
+    {name: 'Hourly',      value: 'Hourly',  example: '[logstash-]YYYY.MM.DD.HH'},
+    {name: 'Daily',       value: 'Daily',   example: '[logstash-]YYYY.MM.DD'},
+    {name: 'Weekly',      value: 'Weekly',  example: '[logstash-]GGGG.WW'},
+    {name: 'Monthly',     value: 'Monthly', example: '[logstash-]YYYY.MM'},
+    {name: 'Yearly',      value: 'Yearly',  example: '[logstash-]YYYY'},
+  ];
+
+  esVersions = [
+    {name: '1.x', value: 1},
+    {name: '2.x', value: 2},
+  ];
+
+  indexPatternTypeChanged() {
+    var def = _.findWhere(this.indexPatternTypes, {value: this.current.jsonData.interval});
+    this.current.database = def.example || 'es-index-name';
+  }
+}
+