From a3e13b333e8b790a3466263f9a8c0c4fa5fc4d07 Mon Sep 17 00:00:00 2001
From: Johannes Schill <johannes.schill@polyester.se>
Date: Thu, 17 Jan 2019 11:06:47 +0100
Subject: [PATCH] fix: Text panel should re-render when panel mode is changed
 #14922

---
 public/app/plugins/panel/text/module.ts | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/public/app/plugins/panel/text/module.ts b/public/app/plugins/panel/text/module.ts
index 08ab4cd2b96..ad4d07dbf63 100644
--- a/public/app/plugins/panel/text/module.ts
+++ b/public/app/plugins/panel/text/module.ts
@@ -33,11 +33,19 @@ export class TextPanelCtrl extends PanelCtrl {
     this.events.on('refresh', this.onRefresh.bind(this));
     this.events.on('render', this.onRender.bind(this));
 
+    const renderWhenChanged = (scope: any) => {
+      const { panel } = scope.ctrl;
+      return [
+        panel.content,
+        panel.mode
+      ].join();
+    };
+
     $scope.$watch(
-      'ctrl.panel.content',
+      renderWhenChanged,
       _.throttle(() => {
         this.render();
-      }, 1000)
+      }, 1000, {trailing: true})
     );
   }