feat(plugin-editors): more work on plugin editor loading

public/app/plugins/datasource/prometheus/query_ctrl.ts

@@ -0,0 +1,66 @@
+///<reference path="../../../headers/common.d.ts" />
+
+import angular from 'angular';
+import _ from 'lodash';
+import moment from 'moment';
+
+import * as dateMath from 'app/core/utils/datemath';
+
+function PrometheusQueryCtrl($scope, templateSrv) {
+  $scope.panelCtrl = $scope.ctrl;
+  $scope.panel = $scope.panelCtrl.panel;
+
+  $scope.init = function() {
+    var target = $scope.target;
+
+    target.expr = target.expr || '';
+    target.intervalFactor = target.intervalFactor || 2;
+
+    $scope.metric = '';
+    $scope.resolutions = _.map([1,2,3,4,5,10], function(f) {
+      return {factor: f, label: '1/' + f};
+    });
+
+    $scope.$on('typeahead-updated', function() {
+      $scope.$apply($scope.inputMetric);
+      $scope.refreshMetricData();
+    });
+  };
+
+  $scope.refreshMetricData = function() {
+    if (!_.isEqual($scope.oldTarget, $scope.target)) {
+      $scope.oldTarget = angular.copy($scope.target);
+      $scope.paneCtrl.refresh();
+    }
+  };
+
+  $scope.inputMetric = function() {
+    $scope.target.expr += $scope.target.metric;
+    $scope.metric = '';
+  };
+
+  $scope.suggestMetrics = function(query, callback) {
+    $scope.datasource
+    .performSuggestQuery(query)
+    .then(callback);
+  };
+
+  $scope.linkToPrometheus = function() {
+    var range = Math.ceil(($scope.range.to.valueOf() - $scope.range.from.valueOf()) / 1000);
+    var endTime = $scope.range.to.utc().format('YYYY-MM-DD HH:mm');
+    var expr = {
+      expr: templateSrv.replace($scope.target.expr, $scope.panel.scopedVars),
+      range_input: range + 's',
+      end_input: endTime,
+      step_input: '',
+      stacked: $scope.panel.stack,
+      tab: 0
+    };
+    var hash = encodeURIComponent(JSON.stringify([expr]));
+    return $scope.datasource.directUrl + '/graph#' + hash;
+  };
+
+  $scope.init();
+}
+
+export {PrometheusQueryCtrl};