From 7a2fc1b6a2e7baee8c61fb70b5d5a38cad55b218 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Sat, 22 Apr 2017 21:47:05 +0000
Subject: [PATCH] Mark front of the vehicle (closes #7)

---
 index.js |   33 +++++++++++++++++++++------------
 1 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/index.js b/index.js
index 1e0d131..551d035 100644
--- a/index.js
+++ b/index.js
@@ -27,6 +27,7 @@
 var route_line = document.getElementById('route-line');
 var route_table = document.getElementById('route-table');
 var route_vehicle = document.getElementById('route-vehicle');
+var route_vehicle_info;
 
 var refresh_button = document.getElementById('refresh');
 var refresh_text = document.getElementById('refresh-text');
@@ -159,7 +160,6 @@
 	
 	ignore_hashchange = true;
 	window.location.hash = '#!' + language + stopId;
-	ignore_hashchange = false;
 	refresh_button.removeAttribute('disabled');
 	
 	loading_start();
@@ -182,9 +182,9 @@
 			var tr = document.createElement('tr');
 			addCellWithText(tr, data.old[i].patternText);
 			var dir_cell = addCellWithText(tr, data.old[i].direction);
-			var vehicle = parseVehicle(data.actual[i].vehicleId);
+			var vehicle = parseVehicle(data.old[i].vehicleId);
 			dir_cell.appendChild(displayVehicle(vehicle));
-			addCellWithText(tr, vehicle.num).className = 'vehicleData';
+			addCellWithText(tr, (vehicle ? vehicle.num : '')).className = 'vehicleData';
 			var status = parseStatus(data.old[i]);
 			addCellWithText(tr, status);
 			addCellWithText(tr, '');
@@ -192,7 +192,7 @@
 			tr.className = 'active';
 			tr.addEventListener('click', function(tripId, vehicleInfo) {
 				return function(){ loadRoute(tripId, vehicleInfo); }
-			}(data.actual[i].tripId, vehicle));
+			}(data.old[i].tripId, vehicle));
 			times_table.appendChild(tr);
 		}
 		
@@ -202,7 +202,7 @@
 			var dir_cell = addCellWithText(tr, data.actual[i].direction);
 			var vehicle = parseVehicle(data.actual[i].vehicleId);
 			dir_cell.appendChild(displayVehicle(vehicle));
-			addCellWithText(tr, vehicle.num).className = 'vehicleData';
+			addCellWithText(tr, (vehicle ? vehicle.num : '')).className = 'vehicleData';
 			var status = parseStatus(data.actual[i]);
 			var status_cell = addCellWithText(tr, status);
 			var delay = parseDelay(data.actual[i]);
@@ -245,7 +245,7 @@
 	if(!tripId) tripId = route_id;
 	if(!tripId) return;
 	
-	if(!vehicleInfo) vehicleInfo = route_vehicle_info;
+	if(vehicleInfo === undefined) vehicleInfo = route_vehicle_info;
 	
 	console.log('loadRoute(' + tripId + ')');
 	route_id = tripId;
@@ -267,7 +267,9 @@
 		deleteChildren(route_vehicle);
 		if(vehicleInfo) {
 			var span = displayVehicle(vehicleInfo);
-			setText(route_vehicle, span.title);
+			if(span) {
+				setText(route_vehicle, span.title);
+			}
 			route_vehicle.insertBefore(span, route_vehicle.firstChild);
 		}
 		
@@ -362,8 +364,8 @@
 }
 
 function change_language(lang) {
-	if(!lang || lang.length != 2) return;
-	if(lang == language) return;
+	if(!lang || lang.length != 2) return false;
+	if(lang == language) return false;
 	lang_select.value = lang;
 	if(!lang_select.value) {
 		lang_select.value = language;
@@ -382,18 +384,25 @@
 	
 	ignore_hashchange = true;
 	window.location.hash = '#!' + language + stop_id;
-	ignore_hashchange = false;
+	
+	return true;
 }
 
 function hash() {
-	if(ignore_hashchange) return;
+	if(ignore_hashchange) {
+		ignore_hashchange = false;
+		return;
+	}
 	
 	if(window.location.hash.match(/^#![0-9]+$/)) {
 		loadTimes(parseInt(window.location.hash.substr(2)));
 	} else if(window.location.hash.match(/^#![a-z]{2}[0-9]*$/)) {
 		var stop = parseInt(window.location.hash.substr(4));
 		if(stop) stop_id = stop;
-		change_language(window.location.hash.substr(2, 2));
+		
+		if(!change_language(window.location.hash.substr(2, 2))) {
+			loadTimes(parseInt(window.location.hash.substr(2)));
+		}
 	}
 }
 

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