ace: minor changes to ace directive

public/app/core/components/code_editor/code_editor.ts

@@ -126,17 +126,16 @@ function link(scope, elem, attrs) {
   });
 
   let extCompleter = {
-    getCompletions: getExtCompletions
+    getCompletions: getCompletions
   };
 
-  function getExtCompletions(editor, session, pos, prefix, callback) {
-    scope.getMetrics(prefix).then(results => {
-      let wordList = results;
-      callback(null, wordList.map(word => {
+  function getCompletions(editor, session, pos, prefix, callback) {
+    scope.getCompletions({$query: prefix}).then(results => {
+      callback(null, results.map(hit => {
         return {
-          caption: word,
-          value: word,
-          meta: "metric"
+          caption: hit.word,
+          value: hit.word,
+          meta: hit.type
         };
       }));
     });
@@ -176,7 +175,7 @@ export function codeEditorDirective() {
     scope: {
       content: "=",
       onChange: "&",
-      getMetrics: "="
+      getCompletions: "&"
     },
     link: link
   };

public/app/plugins/datasource/prometheus/partials/query.editor.html

@@ -2,7 +2,7 @@
 	<div class="gf-form-inline">
 		<div class="gf-form gf-form--grow">
 			<code-editor content="ctrl.target.expr" on-change="ctrl.refreshMetricData()"
-				get-metrics="ctrl.getMetricsAutocomplete" data-mode="prometheus">
+				get-completions="ctrl.getCompletions($query)" data-mode="prometheus">
 			</code-editor>
 		</div>
 	</div>
@@ -40,17 +40,6 @@
 			</div>
 		</div>
 
-		<div class="gf-form gf-form--grow">
-			<div class="gf-form-label gf-form-label--grow"></div>
-		</div>
-	</div>
-
-	<div class="gf-form-inline">
-		<div class="gf-form max-width-26">
-			<label class="gf-form-label width-8">Metric lookup</label>
-			<input type="text" class="gf-form-input" ng-model="ctrl.target.metric" spellcheck='false' bs-typeahead="ctrl.suggestMetrics" placeholder="metric name" data-min-length=0 data-items=100>
-		</div>
-
 		<div class="gf-form">
 			<label class="gf-form-label width-6">Format as</label>
 			<div class="gf-form-select-wrapper width-8">
@@ -68,4 +57,5 @@
 		</div>
 	</div>
 
+
 </query-editor-row>

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

@@ -37,26 +37,16 @@ class PrometheusQueryCtrl extends QueryCtrl {
       {text: 'Table', value: 'table'},
     ];
 
-    $scope.$on('typeahead-updated', () => {
-      this.$scope.$apply(() => {
-        this.target.expr += this.target.metric;
-        this.metric = '';
-        this.refreshMetricData();
+    this.updateLink();
+  }
+
+  getCompletions(query) {
+    console.log(query);
+    return this.datasource.performSuggestQuery(query).then(res => {
+      return res.map(item => {
+        return {word: item, type: 'metric'};
       });
     });
-
-    // called from typeahead so need this
-    // here in order to ensure this ref
-    this.suggestMetrics = (query, callback) => {
-      console.log(this);
-      this.datasource.performSuggestQuery(query).then(callback);
-    };
-
-    this.getMetricsAutocomplete = (query) => {
-      return this.datasource.performSuggestQuery(query);
-    };
-
-    this.updateLink();
   }
 
   getDefaultFormat() {