path: root/modules-available/locationinfo/frontend/doorsign.html



<!--

parameter

required:
    id: [integer] room id, see in admin panel
optional:

    lang:[en,de] set the language
    mode:[1,2,3,4] sets the displaying
        1: Calendar & Room
        2: only Calendar
        3: only Room
        4: Calendar & Room alternately
    daystoshow:[1,2,3,4,5,6,7] sets how many days the calendar shows
    scale:[10-90] scales the calendar and Roomplan in mode 1
    switchtime:[1-120] sets the time between switchen in mode 4  (in seconds)
    calupdate: Time the calender querys for updates,in minutes.
    roomupdate: Time the PCs in the room gets updated,in seconds.
    rotation:[0-3] rotation of the roomplan
    vertical:[true] only mode 1, sets the calendar above the roomplan
    configupdate: Time interval the config gets updated (in minutes)
    scaledaysauto: [true] if true it finds automaticly the daystoshow parameter depending on display size
-->
<!DOCTYPE html>
<html lang="de">
<meta name="viewport" content="width=device-width, initial-scale=1.0" charset="utf-8">
<head>
	<title>DoorSign</title>
	<script type='text/javascript' src='../../../script/jquery.js'></script>
	<script type='text/javascript' src='../../js_jqueryui/clientscript.js'></script>
	<link rel='stylesheet' type='text/css' href='../../js_jqueryui/style.css'/>
	<link rel='stylesheet' type='text/css' href='jquery-week-calendar/jquery.weekcalendar.css'/>

	<script type='text/javascript' src="jquery-week-calendar/jquery.weekcalendar.js"></script>
	<style type='text/css'>

		body {
			font-family: "Lucida Grande", Helvetica, Arial, Verdana, sans-serif;
			margin: 0;

		}

		.row {
			background-color: #404040;
			box-shadow: 0 2px 4px 0 black;
			margin-bottom: 4px;

			width: 100%;

		}
		.header {
			display: table;
			color: white;
			padding: 0;
			height: 80px;

		}

		.font {
			display: table-cell;
			vertical-align: middle;
			font-size: 40px;
			font-weight: bold
		}

		.courseText {
			text-align: center;
		}

		.row::after {
			content: "";
			clear: both;
			display: block;
		}

		[class*="col-"] {
			float: left;;
			padding: 0;
			box-sizing: border-box;
		}

		.col-1 {
			width: 33%;
		}

		.col-2 {
			width: 33%;
		}


		.roomLayoutDesign {
			position: relative;
			background: linear-gradient(#cccccc, white);
			float: left;
			boxSizing: border-box;
		}

		.calendar {
			float: left;
			padding: 0;
			dboxSizing: border-box;
			background: linear-gradient(#cccccc, white);
		}

		.free-busy-busy {
			background: grey;
		}

		.ui-widget-content {
			color: white;
		}

		.wc-header {
			background-color: #404040;
			font-weight: bold;
		}

		.ui-state-default {
			text-shadow: none;
		}

		.square {
			display: table;
			float: right;
			padding: 0;
			width: 80px;
			height: 80px;
		}

		.FreeSeatsFont {
			display: table-cell;
			vertical-align: middle;
			font-size: 65px;
			color: white;
			top: 0;
			margin: 0 auto;
			position: relative;
			text-align: center;
			font-weight: bold;
			overflow: visible;
		}


		.pcImg {
			position: absolute;
			left: 0;
			bottom: 0;
		}

		.wc-scrollable-grid {

		}

		.ui-widget-content .ui-state-active {
			font-weight: bold;
			color: black;
		}

		.wc-container {
			font-weight: bold;
		}

		.wc-today {
			background-color: white;
		}

		.wc-time-header-cell {
			background-color: #eeeeee;
			border: none;
		}

		.ui-corner-all {
			moz-border-radius-bottomright: 0;
			webkit-border-bottom-right-radius: 0;
			-khtml-border-bottom-right-radius: 0;
			border-bottom-right-radius: 0;

			moz-border-radius-topright: 0;
			webkit-border-top-right-radius: 0;
			-khtml-border-top-right-radius: 0;
			border-top-right-radius: 0;

			moz-border-radius-bottomleft: 0;
			webkit-border-bottom-left-radius: 0;
			-khtml-border-bottom-left-radius: 0;
			border-bottom-left-radius: 0;

			moz-border-radius-topleft: 0;
			webkit-border-left-right-radius: 0;
			-khtml-border-left-right-radius: 0;
			border-top-left-radius: 0;
		}
		.wc-scrollable-grid .wc-day-column-first {
			border-style:solid;

		}
		[class*="wc-day-"] {
			border-color: grey;
		}

		@media (max-width: 1200px){
			.square {
				height: 60px;
				width: 60px;
			}
			.FreeSeatsFont {
				font-size: 45px;
			}
			.font {
				font-size: 26px;
			}
			.header {
				height: 60px;

			}
		}
		@media (max-width: 800px){
			.square {
				height: 50px;
				width: 50px;
			}
			.FreeSeatsFont {
				font-size: 35px;
			}
			.font {
				font-size: 20px;
			}
			.header {
				height: 50px;

			}
		}
		@media (max-width: 600px){
			.square {
				height: 40px;
				width: 40px;
			}
			.FreeSeatsFont {
				font-size: 30px;
			}
			.font {
				font-size: 18px;
			}
			.header {
				height: 40px;

			}
		}

	</style>
	<script type='text/javascript'>
		var date;

		var room;
		var freeSeats;
		var queryTimeCalendar;
		var queryTimeRoom;
		var openingTimes;
		var state;
		var openTimes;
		var openingTimesCalendar = [];
		var mode;
		var data;
		var roomId;
		var verticalmode = false;
		var scaleLayout;
		var switchTime;
		var rotation;
		var daysToShow;
		var configJson;
		var configupdate;
		var scaleDaysAuto = false;
		var eInkMode = false;
		var supportSvg = !!(document.createElementNS && document.createElementNS('http://www.w3.org/2000/svg','svg').createSVGRect);
		var translation = {
			"en": {
				"room": "Room",
				"closed": "Closed",
				"free": "Free",
				"shortDays": ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
				"longDays": ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
				"to": "to"

			},
			"de": {
				"room": "Raum",
				"closed": "Geschlossen",
				"free": "Frei",
				"shortDays": ["Son", "Mon", "Die", "Mit", "Don", "Frei", "Sam"],
				"longDays": ["Sonntag", "Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitrag", "Samstag"],
				"to": "bis"
			},
			"pt": {
				"room": "Quarto",
				"closed": "Fechado",
				"free": "Livre",
				"shortDays": ['Dom', 'Seg', 'Ter', 'Qua', 'Qui', 'Se', 'Sáb'],
				"longDays": ['Domingo', 'Segunda-feira', 'Terça-feira', 'Quarta-feira', 'Quinta-feira', 'Sexta-feira', 'Sábado'],
				"to": "para"

			}
		};


		$(document).ready(function () {
			if (!getId()) {
				return;
			}
			getConfig();

		});

		function getConfig() {
			$.ajax({
				url: "../../../api.php?do=locationinfo&action=config&id=" + roomId,
				dataType: 'json',
				cache: false,
				timeout: 30000,
				success: function (result) {
					if (configJson == null) {
						if(result.room == null) {
							var heading = $("#courseHeading");
							heading.text("Error: wrong id");
							heading.css({'font-size': "30px"});
							return;
						}
						getParamerter(result);
						startMode();
						delete result.time;
					} else{
						// Todo resync time?
						delete result.time;
						if (JSON.stringify(configJson) != JSON.stringify(result)) {
							location.reload(true);
						}
					}
					configJson = result;
					setTimeout(function () {
						getConfig();
					}, configupdate);
				}, error: function () {
					var heading = $("#courseHeading");
					heading.text("Error: couldn't get the config");
					heading.css({'font-size': "30px"});
				}
			})
		}

		function getId() {
			roomId = getUrlParameter("id");
			if (roomId == null) {
				$("#courseHeading").text("Error: id required");
				return false;
			}

			return true;
		}
		function getParamerter(json) {
			var lang;
			if (json != null) {
				mode = parseInt(json.mode);
				lang = json.lang;
				daysToShow = parseInt(json.daystoshow);
				scaleLayout = parseInt(json.scale);
				switchTime = parseInt(json.switchtime) * 1000;
				queryTimeCalendar = parseInt(json.calupdate) * 60 * 1000;
				queryTimeRoom = parseInt(json.roomupdate) * 1000;
				rotation = parseInt(json.rotation);

				if(json.scaledaysauto!=null) {
					scaleDaysAuto = JSON.parse(json.scaledaysauto)
				}

				if(json.vertical!=null) {
					verticalmode = JSON.parse(json.vertical);
				}
				if(json.einkmode!=null) {
					eInkMode = JSON.parse(json.einkmode);
				}
				configupdate = parseInt(json.configupdate)* 60 * 1000;
				room = json.room;
			}
			var time = new Date(json.time);
			if (isNaN(time.getTime())) {
				time = new Date();
			}
			SetUpDate(time);

			if (room != null) {
				$("#roomHeader").text(room);
			}
			if (getUrlParameter("mode") != null) {
				mode = parseInt(getUrlParameter("mode"));
			}
			if (getUrlParameter("calupdate") != null) {
				queryTimeCalendar = (parseInt(getUrlParameter("calupdate")) * 60 * 1000);
			}
			if (getUrlParameter("roomupdate") != null) {
				queryTimeRoom = (parseInt(getUrlParameter("roomupdate")) * 1000);
			}
			if (getUrlParameter("daystoshow") != null) {
				daysToShow = parseInt(getUrlParameter("daystoshow"));
			}
			if (getUrlParameter("scaledaysauto") == "true") {
				scaleDaysAuto = true;
			}
			if (getUrlParameter("vertical") == "true") {
				verticalmode = true;
			}
			if (getUrlParameter("einkmode") == "true") {
				eInkMode = true;
			}

			if (getUrlParameter("scale") != null) {
				scaleLayout = parseInt(getUrlParameter("scale"));
			}
			if (getUrlParameter("rotation") != null) {
				rotation = parseInt(getUrlParameter("rotation"));
			}
			if (getUrlParameter("switchtime") != null) {
				switchTime = (parseInt(getUrlParameter("switchtime")) * 1000);
			}
			if (getUrlParameter("configupdate") != null) {
				configupdate = (parseInt(getUrlParameter("configupdate")) * 60 * 1000);
			}

			// parameter validation
			if (switchTime == null || isNaN(switchTime) || switchTime > 120 || switchTime < 1) {
				switchTime = 5;
			}
			if (scaleLayout == null || isNaN(scaleLayout) || scaleLayout > 90 || scaleLayout < 10) {
				scaleLayout = 50;
			}
			if (verticalmode == null) {
				verticalmode = false;
			}
			if (daysToShow == null || isNaN(daysToShow) || daysToShow > 7 || daysToShow < 1) {
				daysToShow = 7;
			}

			if (queryTimeRoom == null || isNaN(queryTimeRoom) || queryTimeRoom < 1000) {
				queryTimeRoom = 20 * 1000;
			}
			if (configupdate == null || isNaN(configupdate) || (configupdate < 1)) {
				configupdate = 30 * 60 * 1000;
			}

			if (queryTimeCalendar == null || isNaN(queryTimeCalendar) || queryTimeCalendar < 60 * 1000) {
				queryTimeCalendar = 30 * 60 * 1000;
			}
			if (mode == null || isNaN(mode) || mode > 4 || mode < 1) {
				mode = 1;
			}
			if(rotation ==null||isNaN(rotation)||rotation < 0 || rotation > 4){
				rotation = 0;
			}

			if (getUrlParameter("lang") != null && getUrlParameter("lang") in translation) {
				lang = getUrlParameter("lang");
			}
			$('html').attr('lang', lang);
		}

		function startMode() {
			var updateRate = 1000;
			if(eInkMode){
				updateRate =updateRate* 60;
			}
			// mixed mode
			if (mode == 1) {
				setUpCalendar(scaleLayout + "%", daysToShow);
				preInitRoom();
				Update();
				setInterval(function () {
					Update();
				}, updateRate);
			}
			// clendar only
			if (mode == 2) {
				setUpCalendar("100%", daysToShow);
				Update();
				setInterval(function () {
					Update();
				}, updateRate);
				queryRoom();
			}
			// room only
			if (mode == 3) {
				preInitRoom();
				$.getJSON("../../../api.php?do=locationinfo&action=openingtime&id=" + roomId, function (result) {
					SetOpeningTimes(result);
					queryCalendar();
					Update();
					setInterval(function () {
						Update();
					}, updateRate);
				});

			}
			//swichting mode
			if (mode == 4) {
				setUpCalendar("100%", daysToShow);
				preInitRoom();
				generateProgressBar();
				Update();
				setInterval(function () {
					Update();
				}, 1000);
				MoveProgressBar(switchTime);
				setInterval(function () {
					switchLayout();
					MoveProgressBar(switchTime);
				}, switchTime * 1000);
			}
		}


		function setUpCalendar(percent, daysToShow) {
			generateCalendarDiv(percent);
			var $calendar = $("#calendar").weekCalendar({
				timeslotsPerHour: 1,
				timeslotHeight: 20,
				daysToShow: daysToShow,
				height: function ($calendar) {
					var height = $(window).height() - document.getElementById('header').clientHeight - 5;
					if (mode == 1 && verticalmode) {
						height = height * (scaleLayout / 100)
					}
					return height;
				},
				eventRender: function (calEvent, $event) {
					if (calEvent.end.getTime() < new myDate().getTime()) {
						$event.css("backgroundColor", "#aaa");
						$event.find(".time").css({"backgroundColor": "#999", "border": "1px solid #888"});
					} else if (calEvent.end.getTime() > new myDate().getTime() && calEvent.start.getTime() < new myDate().getTime()) {
						$event.css("backgroundColor", "#25B002");
						$event.find(".time").css({"backgroundColor": "#25B002", "border": "1px solid #888"});
					}
				},
				date:myDate(),
				dateFormat: "j.n",
				timeFormat: "G:i",
				use24Hour: true,
				readonly: true,
				showHeader: false,
				hourLine: true,
				shortDays: t("shortDays"),
				longDays: t("longDays"),
				buttons: false,
				timeSeparator: " " + t("to") + " ",
				startOnFirstDayOfWeek: false,
				displayFreeBusys: true,
				defaultFreeBusy: {free: false}
			});
			$.getJSON("../../../api.php?do=locationinfo&action=openingtime&id=" + roomId, function (result) {
				SetOpeningTimes(result)
			})
				.success(function() {
					scaleCalendar();
					queryCalendar();
				})
				.error(function() {
					scaleCalendar();
					queryCalendar();})
		}

		function generateCalendarDiv(width) {
			var div = document.createElement("div");
			div.id = "calendar";
			div.className = "calendar";
			if (verticalmode && mode == 1) {
				width = 100 + "%";
				div.float = "Top";
			}
			div.style.width = width;
			document.body.appendChild(div);
		}

		function SetOpeningTimes(parsedOpenings) {
			var opening = 24;
			var close = 0;
			openingTimesCalendar = [];
			openingTimes = [parsedOpenings['Sunday'], parsedOpenings['Monday'], parsedOpenings['Tuesday'],
				parsedOpenings['Wednesday'], parsedOpenings['Thursday'],
				parsedOpenings['Friday'], parsedOpenings['Saturday']];
			if(mode == 3) {
				return;
			}
			for (var i = 0; i < 7; i++) {
				var tmp = openingTimes[i];
				if (tmp != null) {
					for (var d = 0; d < tmp.length; d++) {
						var day = getNextDayOfWeek(new myDate(), i);
						openingTimesCalendar.push({
							"start": new Date(day.getFullYear(), day.getMonth(), day.getDate(),
								tmp[d]['HourOpen'], tmp[d]['MinutesOpen']),
							"end": new Date(day.getFullYear(), day.getMonth(),
								day.getDate(), tmp[d]['HourClose'], tmp[d]['MinutesClose']),
							"free": true
						});
						if (parseInt(tmp[d]['HourOpen']) < opening) {
							opening = tmp[d]['HourOpen'];
						}
						if (parseInt(tmp[d]['HourClose']) > close) {
							close = tmp[d]['HourClose'];
							if (parseInt(tmp[d]['MinutesClose']) != 0) {
								close++;
							}
						}
					}
				}
			}
			if (parsedOpenings.length == 0) {
				opening = 0;
				close = 24;
			}
			openTimes = close - opening;
			$('#calendar').weekCalendar("option", "businessHours", {
				start: parseInt(opening),
				end: parseInt(close),
				limitDisplay: true
			});
		}
		function queryCalendar() {
			$.ajax({
				url: "../../../api.php?do=locationinfo&action=calendar&id="+roomId,
				dataType: 'json',
				cache: false,
				timeout: 30000,
				success: function (result) {
					data = result;
					updateCalendar(result);
					setTimeout(queryCalendar, queryTimeCalendar);
				}, error: function () {
					setTimeout(queryCalendar, queryTimeCalendar);
				}
			});
		}

		function updateCalendar(json) {
			if (mode != 3) {
				var cal = $('#calendar');
				cal.weekCalendar("option", "data", json);
				cal.weekCalendar("refresh");
				cal.weekCalendar("option", "defaultFreeBusy", {free: false});
				cal.weekCalendar("updateFreeBusy", openingTimesCalendar);
			}
			ComputeCurrentState();
		}

		function scaleCalendar() {

			if (openTimes == null) {
				openTimes = 24;
			}
			var cal = $('#calendar');
			var columnWidth = document.getElementsByClassName("wc-day-1")[0].clientWidth;

			if(scaleDaysAuto) {
				var result = (44 + cal.weekCalendar("option","daysToShow")*columnWidth)/100;
				result = parseInt(Math.min(Math.max(Math.abs(result),1),7));
				if(result != parseInt(cal.weekCalendar("option","daysToShow"))){
					cal.weekCalendar("option", "daysToShow", Math.abs(result));
				}
			}
			if(((!scaleDaysAuto)||cal.weekCalendar("option","daysToShow")==1)	&& columnWidth < 85){
				cal.weekCalendar("option", "useShortDayNames", true);
			} else {
				cal.weekCalendar("option", "useShortDayNames", false);
			}
			var clientHeight = $(window).height() - document.getElementById('header').clientHeight - document.getElementsByClassName("wc-time-column-header")[0].clientHeight-10 ;
			if (mode == 1 && verticalmode) {

				clientHeight = clientHeight * (scaleLayout / 100);
				clientHeight -= 22;

			}


			var height = clientHeight / (openTimes * cal.weekCalendar("option", "timeslotsPerHour"));
			cal.weekCalendar("option", "timeslotHeight", height);
			cal.weekCalendar("updateFreeBusy", openingTimesCalendar);
		}
		/**
		 * @return {string}
		 * @return {string}
		 */
		function GetTimeDiferenceAsString(a, b) {
			if (a == null || b == null) {
				return "";
			}
			var milliseconds = a.getTime() - b.getTime();
			var seconds = Math.floor((milliseconds / 1000) % 60);
			milliseconds -= seconds * 1000;
			var minutes = Math.floor((milliseconds / (1000 * 60)) % 60);
			milliseconds -= minutes * 1000 * 60;
			var hours = Math.floor((milliseconds / (1000 * 60 * 60)) % 24);

			var days = Math.floor((milliseconds / (1000 * 60 * 60 * 24)) % 31);
			if (seconds < 10) {
				seconds = "0" + seconds;
			}
			if (minutes < 10) {
				minutes = "0" + minutes;
			}
			if (days != 0) {
				// dont show?
				return "";
			}
			if(eInkMode){
				return hours + ":" + minutes ;
			}
			return hours + ":" + minutes + ":" + seconds;
		}
		function GetNextClosing() {
			var now = new myDate();
			var day = now.getDay();
			var offset = 0;
			var bestdate;
			for (var a = 0; a < 7; a++) {
				var tmp = openingTimes[day];
				if (tmp != null) {
					for (var i = 0; i < tmp.length; i++) {
						var closeDate = new myDate();
						closeDate.setDate(now.getDate() + offset);
						closeDate.setHours(tmp[i].HourClose);
						closeDate.setMinutes(tmp[i].MinutesClose);
						if (closeDate > now) {
							if (!IsOpen(new Date(closeDate.getTime() + 60000))) {
								if (bestdate == null || bestdate > closeDate) {
									bestdate = closeDate;
								}
							}
						}
					}
				}
				offset++;
				day++;
				if (day > 6) {
					day = 0;
				}
			}
			return bestdate;
		}
		/**
		 * @return {boolean}
		 */
		function IsOpenNow() {
			var now = new myDate();
			if(openingTimes == null) {
				return false;
			}
			var tmp = openingTimes[now.getDay()];
			if (tmp == null) {
				return false;
			}
			for (var i = 0; i < tmp.length; i++) {
				var openDate = new myDate();
				openDate.setHours(tmp[i].HourOpen);
				openDate.setMinutes(tmp[i].MinutesOpen);
				var closeDate = new myDate();
				closeDate.setHours(tmp[i].HourClose);
				closeDate.setMinutes(tmp[i].MinutesClose);
				if (openDate < now && closeDate > now) {
					return true;
				}
			}
			return false;
		}
		/**
		 * @return {boolean}
		 */
		function IsOpen(date) {
			if(openingTimes == null) {
				return false;
			}
			var tmp = openingTimes[date.getDay()];
			if (tmp == null) {
				return false;
			}
			for (var i = 0; i < tmp.length; i++) {
				var openDate = new myDate();
				openDate.setHours(tmp[i].HourOpen);
				openDate.setMinutes(tmp[i].MinutesOpen);
				var closeDate = new myDate();
				closeDate.setHours(tmp[i].HourClose);
				closeDate.setMinutes(tmp[i].MinutesClose);
				if (openDate < date && closeDate > date) {
					return true;
				}
			}
			return false;
		}


		function GetNextOpening() {
			var now = new myDate();
			var day = now.getDay();
			var offset = 0;
			var bestdate;
			for (var a = 0; a < 7; a++) {
				if(openingTimes == null) {
					return null;
				}
				var tmp = openingTimes[day];
				if (tmp != null) {
					for (var i = 0; i < tmp.length; i++) {
						var openDate = new myDate();
						openDate.setDate(now.getDate() + offset);
						openDate.setHours(tmp[i].HourOpen);
						openDate.setMinutes(tmp[i].MinutesOpen);
						if (openDate > now) {
							if (!IsOpen(new Date(openDate.getTime() - 60000))) {
								if (bestdate == null || bestdate > openDate) {
									bestdate = openDate;
								}
							}
						}
					}
				}
				offset++;
				day++;
				if (day > 6) {
					day = 0;
				}
			}
			return bestdate;
		}

		function SetFreeSeats(_freeSeats) {
			if (_freeSeats > 0) {
				$("#freeSeatsHeader").text(_freeSeats);
				$(".square").css('background-color', '#00dd10');
			} else if (_freeSeats == -1) {
				$("#freeSeatsHeader").text("");
				$(".square").css('background-color', 'red');
			} else {
				$("#freeSeatsHeader").text("0");
				$(".square").css('background-color', 'red');
			}
			freeSeats = _freeSeats;
		}

		function Update() {
			var tmp = GetState();
			if (tmp == null) {
				ComputeCurrentState();
				return;
			}
			if (tmp.state == "closed") {
				$("#courseHeading").text(t("closed") + " " + GetTimeDiferenceAsString(tmp.end, new myDate()));
				SetFreeSeats(-1);
			} else if (tmp.state == "ClaendarEvent") {
				$("#courseHeading").text(state.titel);
				SetFreeSeats(-1);
			} else if (tmp.state == "Free") {
				$("#courseHeading").text(t("free") + " " + GetTimeDiferenceAsString(tmp.end, new myDate()));
			} else if (tmp.state == "FreeNoEnd") {
				$("#courseHeading").text(t("free"));
			}
			var now = new myDate();
			//console.log(now.getHours()+":"+now.getMinutes()+":"+now.getSeconds());
			// reload if date Changes
			if (date != null) {
				if (date.getDate() != now.getDate()) {
					location.reload(true);
				}
			}
			date = now;
		}

		function GetState() {
			if (state == null) {
				ComputeCurrentState();
				return state;
			}
			if (state.end != "") {
				if (state.end < new myDate()) {
					ComputeCurrentState();
				}
			}
			return state;
		}

		function ComputeCurrentState() {
			if (!IsOpenNow()) {
				state = {state: "closed", end: GetNextOpening(), titel: "", next: ""};
				return;
			}
			var closing = GetNextClosing();
			var event = getNextEvent(data);
			// no event and no closing
			if (closing == null && event == null) {
				state = {state: "FreeNoEnd", end: "", titel: "", next: ""};
				return;
			}

			// no event so closing is next
			if (event == null) {
				state = {state: "Free", end: closing, titel: "", next: "closing"};
				return;
			}

			// event is at the moment
			if (event.start.getTime() < closing.getTime() && event.start.getTime() < new myDate()) {
				state = {state: "ClaendarEvent", end: event.end, titel: event.title, next: ""};
				return;
			}

			// no closing so event is next
			if (closing == null) {
				state = {state: "Free", end: event.start, titel: "", next: "event"};
				return;
			}

			// event sooner then closing
			if (event.start.getTime() < closing) {
				state = {state: "Free", end: event.start, titel: "", next: "event"};
			} else if (event.start.getTime() > closing) {
				state = {state: "Free", end: closing, titel: "", next: "closing"};
			}
		}

		function getNextEvent(json) {
			var event;
			var now = new myDate();
			for (var i = 0; i < json.length; i++) {
				//event is now active
				if (json[i].start.getTime() < now.getTime() && json[i].end.getTime() > now.getTime()) {
					return json[i];
				}
				//first element to consider
				if (event == null) {
					if (json[i].start.getTime() > now.getTime()) {
						event = json[i];
					}
				}
				if (json[i].start.getTime() > now.getTime() && event.start.getTime() > json[i].start.getTime()) {
					event = json[i];
				}
			}
			return event;
		}

		function getNextDayOfWeek(date, dayOfWeek) {
			// Code to check that date and dayOfWeek are valid left as an exercise ;)

			var resultDate = new Date(date.getTime());

			resultDate.setDate(date.getDate() + (7 + dayOfWeek - date.getDay()) % 7);

			return resultDate;
		}
		/*
		 /========================================== Room Layout =============================================
		 */
		var scale;
		var xOffset;
		var yOffset;
		var picSizeX = 3.8;
		var picSizeY = 3;
		var Layout;
		var LayoutJson;
		var maxX;
		var maxY;
		var minY;
		var minX;
		var xDifference;
		var yDifference;

		function generateRoomLayoutDiv(width) {
			var div = document.createElement("div");
			div.id = "roomLayout";
			div.className = "roomLayoutDesign";
			if ((verticalmode && mode == 1) || (mode == 3)|| (mode == 4)) {
				width = 100 + "%";
				div.float = "Top";
			}

			div.style.width = width;
			document.body.appendChild(div);

		}
		function preInitRoom() {
			$.getJSON("../../../api.php?do=locationinfo&action=roominfo&id=" + roomId + "&coords=1", function (result) {
				initRoom(result, (100 - scaleLayout) + "%")
			}).error(function() {
				generateRoomLayoutDiv((100 - scaleLayout) + "%");
			})
		}


			function initRoom(Json, scale) {

				Layout = Json;
				if(Layout == null||Layout.length == 0) {
					return;
				}
				generateRoomLayoutDiv(scale);
				if (rotation != 0) {
					rotateRoom(rotation);
				}

				for (var i = 0; i < Layout.length; i++) {
					if(!isNaN(parseInt(Layout[i].x)) && ! isNaN(parseInt(Layout[i].y))) {
						if(minX === undefined){
							minX = parseInt(Layout[i].x);
						}
						if(minY === undefined){
							minY = parseInt(Layout[i].y);
						}
						if(maxX === undefined){
							maxX = parseInt(Layout[i].x);
						}
						if(maxY === undefined){
							maxY = parseInt(Layout[i].y);
						}
						if (parseInt(Layout[i].x) < parseInt(minX)) {
							minX = parseInt(Layout[i].x);
						}
						if (parseInt(Layout[i].y) < parseInt(minY)) {
							minY = parseInt(Layout[i].y);
						}
						if (parseInt(Layout[i].x) > parseInt(maxX)) {
							maxX = parseInt(Layout[i].x);
						}
						if (parseInt(Layout[i].y) > parseInt(maxY)) {
							maxY = parseInt(Layout[i].y);
						}
					}
				}

				xDifference = maxX - minX;
				yDifference = maxY - minY;
				generateOffsetAndScale();
				setUpRoom();
			}

		function generateOffsetAndScale() {
			var clientHeight = ($(window).height() - document.getElementById('header').clientHeight - 5);
			if (verticalmode && mode == 1) {
				clientHeight = clientHeight * (1 - (scaleLayout / 100));
			}
			($("#roomLayout")).height(clientHeight);
			var clientWidth = document.getElementById('roomLayout').clientWidth;
			var scaleX;
			if (xDifference != 0) {
				scaleX = clientWidth / xDifference;
			} else {
				scaleX = clientWidth;
			}
			var scaleY;
			if (yDifference != 0) {
				scaleY = clientHeight / yDifference;
			} else {
				scaleY = clientHeight;
			}
			var scaleYs = (clientHeight - (picSizeY * scaleY)) / yDifference;
			var scaleXs = (clientWidth - (picSizeX * scaleX)) / xDifference;
			if (scaleYs <= 0) {
				scaleYs = 9999;
			}
			if (scaleXs <= 0) {
				scaleXs = 9999;
			}
			var tmp = [scaleYs, scaleY, scaleXs, scaleX];
			scale = Math.min.apply(Math, tmp);
			xOffset = 0 - minX;
			yOffset = 0 - minY;
			xOffset += ((1 / 2 * (clientWidth - (((maxX + xOffset) * scale) + picSizeX * scale))) / scale);
			yOffset += ((1 / 2 * (clientHeight - (((maxY + yOffset) * scale) + picSizeY * scale))) / scale);
		}

		function setUpRoom() {
			for (var i = 0; i < Layout.length; i++) {


				var img = $('<img />',
					{
						id: Layout[i].id,
						class: "pcImg",
					})
					.appendTo($('#roomLayout'));
			}
			scaleRoom();
			UpdatePc(Layout);
			queryRoom();
		}

		// possible fix for long delay of updates after long runtime
		function queryRoom() {
			$.ajax({
				url: "../../../api.php?do=locationinfo&action=roominfo&id=" + roomId + "&coords=1",
				dataType: 'json',
				cache: false,
				timeout: 30000,
				success: function (result) {
					if (LayoutJson != JSON.stringify(result)) {
						LayoutJson = JSON.stringify(result);
						UpdatePc(result);

					}
					setTimeout(queryRoom, queryTimeRoom);
				}, error: function () {
					setTimeout(queryRoom, queryTimeRoom);
				}
			})
		}

		function rotateRoom(r) {
			for (var z = 0; z < r; z++) {
				for (var i = 0; i < Layout.length; i++) {
					var x = parseInt(Layout[i].x);
					var y = parseInt(Layout[i].y);
					Layout[i].x = y;
					Layout[i].y = -x;
				}
			}
		}

		function scaleRoom() {
			if(Layout== null) {
				return;
			}
			for (var i = 0; i < Layout.length; i++) {
				if(Layout[i].y!= null & Layout[i].x!=null) {
					document.getElementById(Layout[i].id).width = (picSizeX * scale);
					document.getElementById(Layout[i].id).height = (picSizeY * scale);
					document.getElementById(Layout[i].id).style.left = ((parseInt(Layout[i].x) + xOffset) * scale) + "px";
					document.getElementById(Layout[i].id).style.top = ((parseInt(Layout[i].y) + yOffset) * scale ) + "px";
				}
			}
		}


		function UpdatePc(update) {
			var freePcs = 0;
			for (var i = 0; i < update.length; i++) {
				var imgobj =document.getElementById(update[i].id);

				var img;
				if (update[i].pcState == "0") {
					//add time to prevent caching
					if(supportSvg) {
						img = "img/pc_free";
					} else {
						imgobj.style.backgroundColor="green";
					}
					freePcs++;
				} else if (update[i].pcState == "1") {
					if(supportSvg) {
						img = "img/pc_used";
					}else {
						imgobj.style.backgroundColor="red";
					}
				} else {
					if(supportSvg) {
						img = "img/pc_defect?";
					}else {
						imgobj.style.backgroundColor="black";
					}
				}
				if(imgobj !=null && supportSvg) {
					if(eInkMode){
						img = img + "_eink";
					}
					imgobj.src = img+ ".svg";
				}
			}
			if (state == null || state.state == "FreeNoEnd" || state.state == "Free") {
				SetFreeSeats(freePcs);
			}

		}

		/*
		 /========================================== Misc =============================================
		 */
		var resized = false;
		$(window).resize(function () {
			resized = true;
			setTimeout(function () {
				if (mode != null) {
					if (mode != 3) {
						scaleCalendar();

					}
					if (mode != 2) {
						generateOffsetAndScale();
						scaleRoom();
					}
				}
			}, 50);
		});

		var getUrlParameter = function getUrlParameter(sParam) {
			var sPageURL = decodeURIComponent(window.location.search.substring(1)),
				sURLVariables = sPageURL.split('&'),
				sParameterName,
				i;

			for (var i = 0; i < sURLVariables.length; i++) {
				sParameterName = sURLVariables[i].split('=');

				if (sParameterName[0] === sParam) {
					return sParameterName[1] === undefined ? true : sParameterName[1];
				}
			}
		};

		function t(toTranslate) {
			var r = translation[$('html')[0].lang][toTranslate];
			if (r === undefined) {
				r = translation['en'][toTranslate]
			}
			return r;
		}

		function switchLayout() {
			var car = document.getElementById("calendar");
			var room = document.getElementById("roomLayout");

			if (car.style.display == "none") {
				room.style.display = "none";
				car.style.display = "block";
				if(resized){
					scaleCalendar();
					resized = false;
				}
			} else {
				car.style.display = "none";
				room.style.display = "block";
				if(resized){
					generateOffsetAndScale();
					scaleRoom();
					resized = false;
				}
			}
		}
		function generateProgressBar() {
			var div = document.createElement("div");
			div.style.width = "0px";
			div.style.height = "2px";
			div.style.position = "absolute";
			div.id = "progressBar";
			div.style.backgroundColor = "red";
			div.style.bottom = "0px";
			div.style.zIndex = "1";
			document.body.appendChild(div);
		}
		function MoveProgressBar(time) {
			var elem = document.getElementById("progressBar");
			var width = 1;
			var id = setInterval(frame, time * 10);

			function frame() {
				if (width >= 100) {
					clearInterval(id);
				} else {
					width++;
					elem.style.width = width + '%';
				}
			}
		}


	</script>
</head>
<body>
<div id="header" class="row">
	<div class="header col-2">
		<div class ="font" id="roomHeader"></div>
	</div>
	<div class="col-1 courseText header">
		<div class ="font"  id="courseHeading"></div>
	</div>
	<div class="square .col-2">
		<div class="FreeSeatsFont" id="freeSeatsHeader"></div>
	</div>
</div>

</body>
</html>