From 9e675725f1a54052f0f214a862a6b5d8ed5d0e90 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Fri, 06 Jan 2017 20:41:11 +0000
Subject: [PATCH] Enable translations and add Polish language

---
 index.js   |  153 +++++++++++++++++++------
 lang_en.js |   64 ++++++++++
 index.html |   57 +++++---
 lang_pl.js |   64 ++++++++++
 4 files changed, 277 insertions(+), 61 deletions(-)

diff --git a/index.html b/index.html
index 2b4c5b3..1f1b29c 100644
--- a/index.html
+++ b/index.html
@@ -12,8 +12,16 @@
 		<nav class="navbar navbar-default">
 			<div class="container-fluid">
 				<div class="navbar-header">
-					<a class="navbar-brand" href="#">TTSS Kraków</a>
+					<a class="navbar-brand" style="display:inline-block" href="#" data-translate="page_name">TTSS Kraków</a>
 				</div>
+				
+				<form class="navbar-form navbar-left">
+					<select class="form-control" id="lang-select">
+						<option value="en">EN</option>
+						<option value="pl">PL</option>
+					</select>
+				</form>
+				
 				<form class="navbar-form navbar-left">
 					<div class="input-group">
 						<span class="input-group-btn">
@@ -22,20 +30,20 @@
 						<select class="form-control" id="stop-name-autocomplete">
 						</select>
 						<span class="input-group-btn">
-							<button type="submit" class="btn btn-default">Go</button>
+							<button type="submit" class="btn btn-default" data-translate="go_button">Go</button>
 						</span>
 					</div>
 				</form>
 				
-				<button type="button" class="btn btn-default navbar-btn pull-right" id="refresh" disabled="disabled">&#x27f3; Refresh</button>
-				
+				<button type="button" class="btn btn-default navbar-btn pull-right" id="refresh" disabled="disabled" data-translate="refresh_button">&#x27f3; Refresh</button>
 				<p class="navbar-text pull-right" id="refresh-text">Initializing...</p>
 			</div>
 		</nav>
+		
 		<div class="container-fluid">
 			<div id="alert" class="alert alert-danger alert-dismissible" style="display:none">
 				<a href="#" class="close" id="alert-close" aria-label="close">&times;</a>
-				<strong>Error occured!</strong> <span id="alert-text"></span>
+				<strong data-translate="error_title">Error occured!</strong> <span id="alert-text"></span>
 			</div>
 			
 			<div class="row">
@@ -47,10 +55,10 @@
 					<table class="table table-striped table-condensed">
 						<thead>
 							<tr>
-								<th>Line</th>
-								<th>Direction</th>
-								<th>Time</th>
-								<th>Delay</th>
+								<th data-translate="header_line">Line</th>
+								<th data-translate="header_direction">Direction</th>
+								<th data-translate="header_time">Time</th>
+								<th data-translate="header_delay">Delay</th>
 							</tr>
 						</thead>
 						<tbody id="times-table">
@@ -58,18 +66,17 @@
 					</table>
 				</div>
 				<div class="col-md-6">
-					<h3>Lines</h3>
+					<h3 data-translate="header_lines">Lines</h3>
 					
 					<table class="table table-condensed">
 						<thead>
 							<tr>
-								<th>Line</th>
-								<th>Route</th>
-								<th>Carrier</th>
+								<th data-translate="header_line">Line</th>
+								<th data-translate="header_route">Route</th>
+								<th data-translate="header_carrier">Carrier</th>
 							</tr>
 						</thead>
 						<tbody id="times-lines">
-							
 						</tbody>
 					</table>
 					
@@ -89,25 +96,29 @@
 					-->
 					
 					<p class="small">
-						Legend:
-						<span class="label bg-active">Departed</span>
-						<span class="label bg-success">At stop</span>
-						<span class="label bg-default">En route</span>
-						<span class="label bg-warning">Delayed 4′+</span>
-						<span class="label bg-danger">Delayed 10′+</span>
+						<span data-translate="help_legend">Legend:</span>
+						<span class="label bg-active" data-translate="status_departed">Departed</span>
+						<span class="label bg-success" data-translate="status_stopped">At stop</span>
+						<span class="label bg-default" data-translate="status_default">En route</span>
+						<span class="label bg-warning" data-translate="status_delayed_4">Delayed 4′+</span>
+						<span class="label bg-danger" data-translate="status_delayed_10">Delayed 10′+</span>
 					</p>
 					
 					<p class="small">
-						<span class="bigger" title="Bombardier NGT6, Bombardier NGT8, PESA 2014N Krakowiak, Newag Nevelo 126N">&#x267F;</span> - low-floor tram. <span class="bigger" title="Düwag/Man/MPK N8C-NF, Düwag/MPK GT8C, Bombardier-Rotax/MPK EU8N, Protram 405N-Kr">*&#x267F;</span> - partially low-floor tram. <span class="bigger" title="other tram types">&#x2010;</span> - high-floor tram. Hover the icon for more details.
+						<span class="bigger" title="Bombardier NGT6, Bombardier NGT8, PESA 2014N Krakowiak, Newag Nevelo 126N" data-translate="low_floor_sign">&#x267F;</span> - <span data-translate="low_floor_description">low-floor tram</span>.
+						<span class="bigger" title="Düwag/Man/MPK N8C-NF, Düwag/MPK GT8C, Bombardier-Rotax/MPK EU8N, Protram 405N-Kr" data-translate="partially_low_floor_sign">*&#x267F;</span> - <span data-translate="partially_low_floor_description">partially low-floor tram</span>.
+						<span class="bigger" title="other tram types" data-translate="high_floor_sign">&#x2010;</span> - <span data-translate="high_floor_description">high-floor tram</span>.
+						<span data-translate="help_hover_for_more">Hover the icon for more details.</span>
 					</p>
 					
-					<p class="small">Relative times (eg. 3 min) are real-time arrivals based on tram location data. Absolute times (eg. 8:01) are scheduled departures, shown when the tram cannot be located. "?" means unknown delay.</p>
+					<p class="small" data-translate="help_text">Relative times (eg. 3 min) are real-time arrivals based on tram location data. Absolute times (eg. 8:01) are scheduled departures, shown when the tram cannot be located. "?" means unknown delay.</p>
 					
-					<p class="small">&copy; 2016 Jacek Kowalski - <a href="https://github.com/jacekkow/mpk-ttss">Source</a> - <a href="https://raw.githubusercontent.com/jacekkow/mpk-ttss/master/LICENSE">License</a></p>
+					<p class="small">&copy; 2016 Jacek Kowalski - <a href="https://github.com/jacekkow/mpk-ttss" data-translate="help_source">Source</a> - <a href="https://raw.githubusercontent.com/jacekkow/mpk-ttss/master/LICENSE" data-translate="help_license">License</a></p>
 				</div>
 			</div>
 		</div>
 		<script src="https://code.jquery.com/jquery-3.1.1.min.js" integrity="sha384-3ceskX3iaEnIogmQchP8opvBy3Mi7Ce34nWjpBIwVTHfGYWQS9jwHDVRnpKKHJg7"  crossorigin="anonymous"></script>
+		<script tyle="text/javascript" src="lang_en.js" id="lang_script"></script>
 		<script type="text/javascript" src="index.js"></script>
 	</body>
 </html>
diff --git a/index.js b/index.js
index 0a132bd..a8071a1 100644
--- a/index.js
+++ b/index.js
@@ -2,10 +2,12 @@
 var ttss_base = '/proxy.php';
 var ttss_refresh = 20000; // 20 seconds
 
-var page_title_pattern = 'TTSS Krak\u00F3w - $ - Real-time tram departures';
 var page_title = document.getElementsByTagName('title')[0];
 
-var stop_id;
+var language = 'en';
+var lang_select = document.getElementById('lang-select');
+
+var stop_id = '';
 var stop_name = document.getElementById('stop-name');
 var stop_name_form = stop_name.form;
 var stop_name_autocomplete = document.getElementById('stop-name-autocomplete');
@@ -35,19 +37,18 @@
 
 var nav = document.getElementsByTagName('nav')[0];
 
-var parseStatusBoarding = '>>>';
 function parseStatus(status) {
 	switch(status.status) {
 		case 'STOPPING':
-			return parseStatusBoarding;
+			return lang.boarding_sign;
 		case 'PREDICTED':
 			if(status.actualRelativeTime <= 0)
-				return parseStatusBoarding;
+				return lang.boarding_sign;
 			if(status.actualRelativeTime >= 60)
-				return Math.floor(status.actualRelativeTime / 60) + ' min';
-			return status.actualRelativeTime + ' s';
+				return lang.time_minutes_prefix + Math.floor(status.actualRelativeTime / 60) + lang.time_minutes_suffix;
+			return lang.time_seconds_prefix + status.actualRelativeTime + lang.time_seconds_suffix;
 		case 'DEPARTED':
-			return Math.floor(-status.actualRelativeTime / 60) + ' min ago';
+			return lang.time_minutes_ago_prefix + Math.floor(-status.actualRelativeTime / 60) + lang.time_minutes_ago_suffix;
 		default:
 			return status.mixedTime;
 	}
@@ -71,14 +72,14 @@
 }
 
 function parseDelay(status) {
-	if(!status.actualTime) return '?';
-	if(!status.plannedTime) return '?';
+	if(!status.actualTime) return lang.unknown_sign;
+	if(!status.plannedTime) return lang.unknown_sign;
 	
 	var now = new Date();
 	var actual = parseTime(now, status.actualTime);
 	var planned = parseTime(now, status.plannedTime);
 	
-	return ((actual.getTime() - planned.getTime()) / 1000 / 60) + ' min';
+	return lang.time_minutes_prefix + ((actual.getTime() - planned.getTime()) / 1000 / 60) + lang.time_minutes_suffix;
 }
 
 function parseVehicle(vehicleId) {
@@ -184,17 +185,24 @@
 	
 	var span = document.createElement('span');
 	span.className = 'vehicleInfo';
-	span.title = vehicleInfo.num + ' ' + vehicleInfo.type;
+	
+	var floor_type = '';
 	if(vehicleInfo.low == 0) {
-		setText(span, '\u2010\u00A0');
-		span.title += ' (high floor)';
+		setText(span, lang.high_floor_sign);
+		floor_type = lang.high_floor;
 	} else if(vehicleInfo.low == 1) {
-		setText(span, '*\u267F');
-		span.title += ' (partially low floor)';
+		setText(span, lang.partially_low_floor_sign);
+		floor_type = lang.partially_low_floor;
 	} else if(vehicleInfo.low == 2) {
-		setText(span, '\u267F');
-		span.title += ' (low floor)';
+		setText(span, lang.low_floor_sign);
+		floor_type = lang.low_floor;
 	}
+	
+	span.title = lang.tram_type_pattern
+		.replace('$num', vehicleInfo.num)
+		.replace('$type', vehicleInfo.type)
+		.replace('$floor', floor_type);
+	
 	return span;
 }
 
@@ -237,11 +245,11 @@
 	if(data.readyState == 0 && data.statusText == 'abort') return;
 	
 	if(data.status == 0) {
-		fail('Request failed - please check your network connectivity.', data);
+		fail(lang.error_request_failed_connectivity, data);
 	} else if (data.statusText) {
-		fail('Internet request failed with error: ' + data.statusText + '.', data);
+		fail(lang.error_request_failed_status.replace('$status', data.statusText), data);
 	} else {
-		fail('Internet request failed.', data);
+		fail(lang.error_request_failed, data);
 	}
 }
 
@@ -264,6 +272,9 @@
 	if(times_timer) clearTimeout(times_timer);
 	if(times_xhr) times_xhr.abort();
 	
+	console.log('loadTimes(' + stopId + ', ' + clearRoute + ')');
+	
+	window.location.hash = '#!' + language + stop_id;
 	refresh_button.removeAttribute('disabled');
 	
 	loading_start();
@@ -273,7 +284,7 @@
 			+ '&mode=departure'
 	).done(function(data) {
 		setText(times_stop_name, data.stopName);
-		setText(page_title, page_title_pattern.replace('$', data.stopName));
+		setText(page_title, lang.page_title_stop_name.replace('$stop', data.stopName));
 		deleteChildren(times_alerts);
 		deleteChildren(times_table);
 		deleteChildren(times_lines);
@@ -311,7 +322,7 @@
 			var delay = parseDelay(data.actual[i]);
 			var delay_cell = addCellWithText(tr, delay);
 			
-			if(status == parseStatusBoarding) {
+			if(status == lang.boarding_sign) {
 				tr.className = 'success';
 				status_cell.className = 'status-boarding';
 			} else if(parseInt(delay) > 9) {
@@ -362,8 +373,9 @@
 			for(var j = 0, jl = data.routes[i].alerts.length; j < jl; j++) {
 				addParaWithText(
 					times_alerts,
-					'Line ' +  data.routes[i].name + ': '
-						+ data.routes[i].alerts[j]
+					lang.line_alert_pattern
+						.replace('$line', data.routes[i].name)
+						.replace('$alert', data.routes[i].alerts[j])
 				);
 			}
 		}
@@ -382,7 +394,7 @@
 
 function startTimer(date) {
 	if(date) {
-		setText(refresh_text, 'Last refreshed: just now')
+		setText(refresh_text, lang.last_refreshed.replace('$time', lang.time_now));
 		refresh_time = date;
 	}
 	if(!refresh_time) return;
@@ -399,12 +411,18 @@
 		var ms = now.getTime() - refresh_time.getTime();
 		
 		if(ms >= 120000) {
-			setText(refresh_text, 'Last refreshed: '
-				+ declinate(Math.floor(ms / 60000), 'minute ago', 'minutes ago'));
+			setText(refresh_text, lang.last_refreshed.replace(
+				'$time',
+				lang.time_minutes_ago_prefix + Math.floor(ms / 60000)
+					+ lang.time_minutes_ago_suffix
+			));
 			startTimer();
 		} else {
-			setText(refresh_text, 'Last refreshed: '
-				+ declinate(Math.floor(ms / 1000), 'second ago', 'seconds ago'));
+			setText(refresh_text, lang.last_refreshed.replace(
+				'$time',
+				lang.time_seconds_ago_prefix + Math.floor(ms / 1000)
+					+ lang.time_seconds_ago_suffix
+			));
 		}
 	}, interval);
 }
@@ -415,15 +433,76 @@
 	return decodeEntitiesTextArea.value;
 }
 
+function translate() {
+	var elements = document.querySelectorAll('*[data-translate]');
+	
+	var text_name;
+	for(var i = 0; i < elements.length; i++) {
+		text_name = elements[i].dataset.translate;
+		if(lang[text_name] == undefined) {
+			console.log('Missing translation: ' + text_name);
+			continue;
+		}
+		setText(elements[i], lang[text_name]);
+	}
+	
+	stop_name.setAttribute('placeholder', lang.stop_name_placeholder);
+	
+	if(stop_id) return;
+	
+	if(stop_name_autocomplete.value) {
+		setText(refresh_text, lang.select_stop_click_go);
+	} else {
+		setText(refresh_text, lang.enter_stop_name_to_begin);
+	}
+}
+
+function change_language(lang) {
+	if(!lang || lang.length != 2) return;
+	if(lang == language) return;
+	lang_select.value = lang;
+	if(!lang_select.value) {
+		lang_select.value = language;
+		return;
+	}
+	language = lang;
+	
+	var script = document.createElement('script');
+	script.type = 'text/javascript';
+	script.src = 'lang_' + lang + '.js';
+	script.id = 'lang_script';
+	script.onload = translate;
+	
+	document.body.removeChild(document.getElementById('lang_script'));
+	document.body.appendChild(script);
+	
+	window.location.hash = '#!' + language + stop_id;
+}
+
+function hash() {
+	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));
+		loadTimes(stop_id);
+	}
+}
+
 function init() {
 	if(!window.jQuery) {
-		fail('Required JavaScript jQuery library failed to load. You may try refreshing the page.');
+		fail(lang.jquery_not_loaded);
 		return;
 	}
 	
 	$.ajaxSetup({
 		dataType: 'json',
 		timeout: 10000,
+	});
+	
+	lang_select.addEventListener('input', function(e) {
+		change_language(lang_select.value);
 	});
 	
 	stop_name.addEventListener('input', function(e) {
@@ -443,17 +522,16 @@
 				stop_name_autocomplete.appendChild(opt);
 			}
 			
-			if(!stop_id) setText(refresh_text, 'Select the stop and click "Go"');
+			if(!stop_id) setText(refresh_text, lang.select_stop_click_go);
 		}).fail(fail_ajax);
 	});
 	
-	setText(refresh_text, 'Enter the stop name to begin');
+	setText(refresh_text, lang.enter_stop_name_to_begin);
 	
 	stop_name_form.addEventListener('submit', function(e) {
 		e.preventDefault();
 		if(!stop_name_autocomplete.value) return;
 		stop_id = stop_name_autocomplete.value;
-		window.location.hash = '#!' + stop_id;
 		loadTimes(stop_id, true);
 	});
 	
@@ -465,10 +543,9 @@
 		alert.style.display = 'none';
 	});
 	
-	if(window.location.hash.match(/^#![0-9]+$/)) {
-		stop_id = parseInt(window.location.hash.slice(2));
-		loadTimes(stop_id);
-	}
+	hash();
+	
+	window.addEventListener('hashchange', hash);
 }
 
 init();
diff --git a/lang_en.js b/lang_en.js
new file mode 100644
index 0000000..21fe684
--- /dev/null
+++ b/lang_en.js
@@ -0,0 +1,64 @@
+var lang = {
+	page_name: 'TTSS Kraków',
+	page_title: 'TTSS Krak\u00F3w - Real-time tram departures',
+	page_title_stop_name: 'TTSS Krak\u00F3w - $stop - Real-time tram departures',
+	
+	jquery_not_loaded: 'Required JavaScript jQuery library failed to load. You may try refreshing the page.',
+	enter_stop_name_to_begin: 'Enter the stop name to begin.',
+	select_stop_click_go: 'Select the stop and click "Go".',
+	stop_name_placeholder: 'Stop name',
+	go_button: 'Go',
+	refresh_button: '\u27f3 Refresh',
+	last_refreshed: 'Last refreshed: $time',
+	
+	line_alert_pattern: 'Line $line: $alert',
+	
+	header_line: 'Line',
+	header_direction: 'Direction',
+	header_time: 'Time',
+	header_delay: 'Delay',
+	header_lines: 'Lines',
+	header_route: 'Route',
+	header_carrier: 'Carrier',
+	
+	boarding_sign: '>>>',
+	unknown_sign: '?',
+	
+	time_now: 'just now',
+	time_seconds_prefix: '',
+	time_seconds_suffix: ' s',
+	time_seconds_ago_prefix: '',
+	time_seconds_ago_suffix: ' s ago',
+	time_minutes_prefix: '',
+	time_minutes_suffix: ' min',
+	time_minutes_ago_prefix: '',
+	time_minutes_ago_suffix: ' min ago',
+	
+	tram_type_pattern: '$num $type ($floor)',
+	high_floor: 'high floor',
+	high_floor_sign: '\u2010\u00A0',
+	high_floor_description: 'high-floor tram',
+	partially_low_floor: 'partially low floor',
+	partially_low_floor_sign: '*\u267F',
+	partially_low_floor_description: 'partially low-floor tram',
+	low_floor: 'low floor',
+	low_floor_sign: '\u267F',
+	low_floor_description: 'low-floor tram',
+	
+	status_departed: 'Departed',
+	status_stopped: 'At stop',
+	status_default: 'En route',
+	status_delayed_4: 'Delayed 4′+',
+	status_delayed_10: 'Delayed 10′+',
+	
+	help_legend: 'Legend:',
+	help_text: 'Relative times (eg. 3 min) are real-time arrivals based on tram location data. Absolute times (eg. 8:01) are scheduled departures, shown when the tram cannot be located. "?" means unknown delay.',
+	help_hover_for_more: 'Hover the icon for more details.',
+	help_source: 'Source',
+	help_license: 'License',
+	
+	error_title: 'Error occured!',
+	error_request_failed: 'Internet request failed.',
+	error_request_failed_status: 'Internet request failed with error: $status.',
+	error_request_failed_connectivity: 'Request failed - please check your network connectivity.',
+};
diff --git a/lang_pl.js b/lang_pl.js
new file mode 100644
index 0000000..c42f216
--- /dev/null
+++ b/lang_pl.js
@@ -0,0 +1,64 @@
+var lang = {
+	page_name: 'TTSS Kraków',
+	page_title: 'TTSS Krak\u00F3w - Odjazdy tramwajów na żywo',
+	page_title_stop_name: 'TTSS Krak\u00F3w - $stop - Odjazdy tramwajów na żywo',
+	
+	jquery_not_loaded: 'Wymagana biblioteka jQuery nie została poprawnie załadowana. Spróbuj odświeżyć stronę.',
+	enter_stop_name_to_begin: 'Zacznij wpisywać nazwę przystanku.',
+	select_stop_click_go: 'Wyierz przystanek i kliknij "Dalej".',
+	stop_name_placeholder: 'Nazwa przystanku',
+	go_button: 'Dalej',
+	refresh_button: '\u27f3 Odśwież',
+	last_refreshed: 'Ostatnio odświeżone $time',
+	
+	line_alert_pattern: 'Linia $line: $alert',
+	
+	header_line: 'Linia',
+	header_direction: 'Kierunek',
+	header_time: 'Odjazd',
+	header_delay: 'Opóźnienie',
+	header_lines: 'Linie',
+	header_route: 'Trasa',
+	header_carrier: 'Przewoźnik',
+	
+	boarding_sign: '>>>',
+	unknown_sign: '?',
+	
+	time_now: 'przed chwilą',
+	time_seconds_prefix: '',
+	time_seconds_suffix: ' s',
+	time_seconds_ago_prefix: '',
+	time_seconds_ago_suffix: ' s temu',
+	time_minutes_prefix: '',
+	time_minutes_suffix: ' min',
+	time_minutes_ago_prefix: '',
+	time_minutes_ago_suffix: ' min temu',
+	
+	tram_type_pattern: '$num $type ($floor)',
+	high_floor: 'wysokopodłogowy',
+	high_floor_sign: '\u2010\u00A0',
+	high_floor_description: 'tramwaj wysokopodłogowy',
+	partially_low_floor: 'częściowo niskopodłogowy',
+	partially_low_floor_sign: '*\u267F',
+	partially_low_floor_description: 'tramwaj częściowo niskopodłogowy',
+	low_floor: 'niskopodłogowy',
+	low_floor_sign: '\u267F',
+	low_floor_description: 'tramwaj niskopodłogowy',
+	
+	status_departed: 'Odjechał',
+	status_stopped: 'Na przystanku',
+	status_default: 'W trasie',
+	status_delayed_4: 'Opóźniony 4′+',
+	status_delayed_10: 'Opóźniony 10′+',
+	
+	help_legend: 'Legenda:',
+	help_text: 'Względne czasy (np. 3 min) są podawane na podstawie faktycznej lokalizacji tramwajów. Czasy bezwzględne (np. 8:01) to odjazdy rozkładowe, pokazywane gdy tramwaj nie może być zlokalizowany. "?" oznacza nieznane opóźnienie.',
+	help_hover_for_more: 'Najedź na ikonę, by uzyskać więcej informacji.',
+	help_source: 'Kod źródłowy',
+	help_license: 'Licencja',
+	
+	error_title: 'Wystąpił błąd!',
+	error_request_failed: 'Wykonanie żądania internetowego nie udało się.',
+	error_request_failed_status: 'Wykonanie żądania internetowego nie udało się. Błąd: $status.',
+	error_request_failed_connectivity: 'Wykonanie żądania internetowego nie udało się - sprawdź połączenie z siecią.',
+};

--
Gitblit v1.9.1