From 99364df94e94ed9f666dc94caef9b4d601f33a17 Mon Sep 17 00:00:00 2001
From: ntoff <norahtihtzoff@gmail.com>
Date: Mon, 6 Nov 2017 17:23:25 +1000
Subject: [PATCH] wrap it in a try catch

Hopefully when something in my plugin breaks (that's when, not if) it won't take down all of octoprint's UI.
---
 .../static/js/fanslider.js                    | 63 ++++++++++---------
 1 file changed, 34 insertions(+), 29 deletions(-)

diff --git a/octoprint_fanspeedslider/static/js/fanslider.js b/octoprint_fanspeedslider/static/js/fanslider.js
index e4f610c..5ca6260 100644
--- a/octoprint_fanspeedslider/static/js/fanslider.js
+++ b/octoprint_fanspeedslider/static/js/fanslider.js
@@ -21,36 +21,41 @@ $(function() {
 		//send gcode to set fan speed
 		sendFanSpeed = function () {
 			self.control.sendCustomCommand({ command: "M106 S" + self.fanPWM() });
-		};	
-		//extra classes		
-		$("#control > div.jog-panel").eq(0).addClass("controls");
-		$("#control > div.jog-panel").eq(1).addClass("tools");
-		$("#control > div.jog-panel").eq(2).addClass("general");	
-		//If !TouchUI then remove standard buttons + add slider + new buttons
-		if ($("#touch body").length ==0 ) { 
-			//add ID to buttons 
-			$("#control > div.general").find("button").eq(0).attr("id", "motors-off");
-			$("#control > div.general").find("button").eq(1).attr("id", "fan-on");
-			$("#control > div.general").find("button").eq(2).attr("id", "fan-off");
-			//remove original fan on/off buttons
-			$("#fan-on").remove();
-			$("#fan-off").remove();
-			//add new fan controls
-			$("#control > div.jog-panel.general").find("button").eq(0).before("\
-				<input type=\"number\" style=\"width: 90px\" data-bind=\"slider: {min: 00, max: 100, step: 1, value: fanSpeed, tooltip: 'hide'}\">\
-				<button class=\"btn btn-block control-box\" data-bind=\"enable: isOperational() && loginState.isUser(), click: function() { sendFanSpeed() }\">" + gettext("Fan on") + ":<span data-bind=\"text: fanSpeed() + '%'\"></span></button>\
-				<button class=\"btn btn-block control-box\" data-bind=\"enable: isOperational() && loginState.isUser(), click: function() { $root.sendCustomCommand({ type: 'command', commands: ['M106 S0'] }) }\">" + gettext("Fan off") + "</button>\
-			");
-		} else { //if TouchUI is active we only add the speed input + fan on button in a new section.
-			console.log("Fan Speed Slider: NOTICE! TouchUI is active, adding simplified control.");
-			$("#control > div.jog-panel.general").after("\
-			<div id=\"control-fan-slider\" class=\"jog-panel filament\" data-bind=\"visible: loginState.isUser\">\
-				<div>\
-					<input type=\"number\" style=\"width: 150px\" data-bind=\"slider: {min: 00, max: 255, step: 1, value: fanSpeed, tooltip: 'hide'}\">\
-					<button class=\"btn btn-block control-box\" data-bind=\"enable: isOperational() && loginState.isUser(), click: function() { sendFanSpeed() }\">" + gettext("Fan Speed(%)") + "</button>\
+		};
+		try {
+			//extra classes		
+			$("#control > div.jog-panel").eq(0).addClass("controls");
+			$("#control > div.jog-panel").eq(1).addClass("tools");
+			$("#control > div.jog-panel").eq(2).addClass("general");	
+			//If !TouchUI then remove standard buttons + add slider + new buttons
+			if ($("#touch body").length ==0 ) { 
+				//add ID to buttons 
+				$("#control > div.general").find("button").eq(0).attr("id", "motors-off");
+				$("#control > div.general").find("button").eq(1).attr("id", "fan-on");
+				$("#control > div.general").find("button").eq(2).attr("id", "fan-off");
+				//remove original fan on/off buttons
+				$("#fan-on").remove();
+				$("#fan-off").remove();
+				//add new fan controls
+				$("#control > div.jog-panel.general").find("button").eq(0).before("\
+					<input type=\"number\" style=\"width: 90px\" data-bind=\"slider: {min: 00, max: 100, step: 1, value: fanSpeed, tooltip: 'hide'}\">\
+					<button class=\"btn btn-block control-box\" data-bind=\"enable: isOperational() && loginState.isUser(), click: function() { sendFanSpeed() }\">" + gettext("Fan on") + ":<span data-bind=\"text: fanSpeed() + '%'\"></span></button>\
+					<button class=\"btn btn-block control-box\" data-bind=\"enable: isOperational() && loginState.isUser(), click: function() { $root.sendCustomCommand({ type: 'command', commands: ['M106 S0'] }) }\">" + gettext("Fan off") + "</button>\
+				");
+			} else { //if TouchUI is active we only add the speed input + fan on button in a new section.
+				console.log("Fan Speed Slider: NOTICE! TouchUI is active, adding simplified control.");
+				$("#control > div.jog-panel.general").after("\
+				<div id=\"control-fan-slider\" class=\"jog-panel filament\" data-bind=\"visible: loginState.isUser\">\
+					<div>\
+						<input type=\"number\" style=\"width: 150px\" data-bind=\"slider: {min: 00, max: 255, step: 1, value: fanSpeed, tooltip: 'hide'}\">\
+						<button class=\"btn btn-block control-box\" data-bind=\"enable: isOperational() && loginState.isUser(), click: function() { sendFanSpeed() }\">" + gettext("Fan Speed(%)") + "</button>\
+					</div>\
 				</div>\
-			</div>\
-		");
+			");
+			}
+		}
+		catch(error) {
+			console.log(error);
 		}
 		//retrieve settings
 		self.onBeforeBinding = function() {