java-visualizations/AttendanceReminder.html at master · grahammitchell/java-visualizations · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<title>Attendance Reminder</title>
	<style type='text/css'>
		body {
			font-family: Verdana, Arial, Helvetica, sans-serif;
			font-size: 18px;
			line-height: 1.6;
			background-color: #ffffee;
			color: #222;
			margin: 40px auto;
			max-width: 750px;
			padding: 0 10px;
		}
		h1, h2, h3 {
			line-height: 1.2;
		}
		.schedule {
			border: solid thin #000;
			border-width: 1px;
			border-collapse: collapse;
		}
		.schedule td {
			padding: 1px 5px 1px 5px;
			text-align: right;
			font-size: 24px;
		}
		.schedule th {
			border-left: solid thin #000;
			text-align: 5px;
		}
		.schedule sup {
			font-size: 12px;
		}
		tr.A {
			background-color: #eeeeee;
		}
	</style>
</head>
<body>

<audio id="audio">
	<source src="audio/remember_to_take_attendance1.ogg" type="audio/ogg">
	<source src="audio/remember_to_take_attendance1.mp3" type="audio/mp3">
</audio>

<h2 id="datestring">It is Wednesday, November 30, 2020</h2>
<h3 id="bulb"></h3>

<p>Remind me <select id="offset" onchange="updateOffset()">
	<option value="1">1
	<option value="3">3
	<option value="5">5
	<option value="7">7
	<option selected value="10">10
	<option value="15">15
</select> minutes into each period.&nbsp;
	<button type='button' onclick="play(); return false;">Test Audio</button>
</p>

<hr>

<pre>
</pre>

<table class=schedule>
	<tr class=A><td>1<sup>st</sup>, 5<sup>th</sup> |<td> 8:40<td>&ndash;<td>10:03
	<tr class=B><td>2<sup>nd</sup>, 6<sup>th</sup> |<td>10:09<td>&ndash;<td>11:32
	<tr class=A><td>Pride                          |<td>11:37<td>&ndash;<td>12:07
	<tr class=B><td>3<sup>rd</sup>, 7<sup>th</sup> |<td>12:13<td>&ndash;<td> 2:18
	<tr class=A><td>4<sup>th</sup>, 8<sup>th</sup> |<td> 2:23<td>&ndash;<td> 3:45
</table>
<p>A lunch 12:48&ndash;1:23/1:28&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;B lunch 1:43&ndash;2:18</p>

<hr>
<pre>
</pre>

<h1>Remember to Take Attendance!</h1>
<p>Attendance Reminder v 1.0 &mdash; &copy;2017 Graham Mitchell</p>

<ul>
	<li><a target="_blank" href="https://itccsgb.esc20.net/LN/Login.aspx">txGradebook / iTCCS</a>
</ul>

	<script type='text/javascript'>
		"use strict";

		var bells = [
			{ hh:  8, mm: 40 },
			{ hh: 10, mm:  9 },
			{ hh: 11, mm: 37 },
			{ hh: 12, mm: 13 },
			{ hh: 14, mm: 23 },
		];

		var dateOptions = { weekday: 'long', year: 'numeric', month: 'long', day: 'numeric' };

		var dato = new Date();
		var debug = false;
		var offset = 10;
		var storedOffset = 0;
		var displayedDow = 0;

		function s2i( s ) {
			var n = 0;
			if ( s.length > 0 ) {
				var test = parseInt(s, 10);
				if ( ! isNaN(test) )
					n = test;
			}
			return n;
		}

		function getMinutes() {
			dato = new Date();
			return (60*dato.getHours() + dato.getMinutes());
		}

		function tick() {
			var mins = getMinutes();
			var dow = dato.getDay();
			if ( dow < 1 || dow > 5 )
				return;

			updateOffset();
			if ( dow != displayedDow ) {
				updateDisplayDate(dow);
				initBells();
			}

			var clearOthers = false;
			for (var i=bells.length-1; i >= 0; i--) {
				var bell = bells[i];
				if ( mins > bell.mins + offset && bell.played != dow ) {
					play();
					bell.played = dow;
					clearOthers = true;
				}
				else if ( clearOthers ) {
					bell.played = dow;
				}
			}
		}

		function clean() {
			document.getElementById('bulb').textContent = "";
		}

		function updateOffset() {
			offset = s2i(document.getElementById('offset').value);
			if ( offset != storedOffset ) {
				localStorage["AttendanceReminderOffset"] = ""+offset;
				storedOffset = offset;
			}
		}

		function updateDisplayDate(dow) {
			document.getElementById('datestring').textContent = dateString();
			displayedDow = dow;
		}

		function play() {
			var audio = document.getElementById('audio')
			document.getElementById('bulb').textContent = "DING!";
			audio.play();
		}

		function log() {
			var mins = getMinutes();
			console.log("-=-=-=-=-=-=-=--=-=-=-=-\nbell  |  now");
			for (var i=0; i<bells.length; i++) {
				var bell = bells[i];
				console.log(" " + bell.mins + " <-> " + mins + " :: " + bell.played);
			}
			console.log("Offset is " + offset);
		}

		function dateString() {
			return "It is " + dato.toLocaleDateString('en-US', dateOptions);
		}

		function initBells() {
			var mins = getMinutes();
			var dow = dato.getDay();
			for (var i=0; i<bells.length; i++) {
				var bell = bells[i];
				bell.mins = 60*bell.hh + bell.mm;
				if ( mins >= bell.mins + offset ) {
					bell.played = dow;
				}
				else {
					bell.played = 0;
				}
			}
		}

		function init() {
			// var startTime = Math.floor(Date.now() / 1000)
			var dow = dato.getDay();
			initBells();
			var temp = localStorage.getItem("AttendanceReminderOffset");
			if ( temp !== null ) {
				offset = s2i(temp);
				storedOffset = offset;
				document.getElementById('offset').value = temp;
			}
			document.getElementById('datestring').textContent = dateString();
			displayedDow = dow;
			setInterval(function() { tick(); },5*1000); // every 5 seconds
			setInterval(function() { clean(); }, 60*1000); // once a minute
		}

		init();
	</script>

</body>
</html>