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root/525.743/code/web/templates/day.html @ f1fdcb4c

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<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:py="http://genshi.edgewall.org/">
<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>Beer Fermenation Control System</title>
<style type="text/css">
body {font-family: sans-serif;
font-size: 16px}
h3 {font-size: 24px;}
table {border: 1px solid #000;
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border-spacing: 0px;
margin-left: auto;
margin-right: auto;}
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table a:link {color: #000;
text-decoration: none;}
table a:visited {color: #000;
text-decoration: none;}
table a:hover {color: #000;
text-decoration: underline;}
tr.even {background-color: #FFF;}
tr.odd {background-color: #FFC;}
th {border: 1px solid #000;
padding: 10px;
border-spacing: 2px;}
td {border-top: 1px solid #000;
padding: 2px 5px;}
.center {text-align: center;}
.sensor1 {background-color: #FC0;}
.sensor2 {background-color: #C3F;}
.sensor3 {background-color: #0C0;}
.sensor4 {background-color: #F60;}
.avg {background-color: #AAA;}
.max {background-color: #CCC;}
.min {background-color: #EEE;}
.relay_on {font-weight: bold;
color: #0C0;}
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#chart_div {margin-left: auto;
margin-right: auto;}
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</style>
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<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="https://71.178.202.220:3268/htdocs/js/flot/excanvas.min.js"></script><![endif]-->
<script type="text/javascript" src="https://71.178.202.220:3268/htdocs/js/flot/jquery.min.js"></script>
<script type="text/javascript" src="https://71.178.202.220:3268/htdocs/js/flot/jquery.flot.min.js"></script>
<script type="text/javascript" src="https://71.178.202.220:3268/htdocs/js/flot/jquery.flot.time.min.js"></script>

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<script type="text/javascript">
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$(function() {
var ctr = 0;

// Assemble initial sensor data to plot from the server
var sensor1_data = ${sensor1_data};
var sensor2_data = ${sensor2_data};
var sensor3_data = ${sensor3_data};
var sensor4_data = ${sensor4_data};

// Plot the sensor data
plot = $.plot("#chart_div",
[
{label: "Sensor 1", data: sensor1_data, color: "#FC0"},
{label: "Sensor 2", data: sensor2_data, color: "#C3F"},
{label: "Sensor 3", data: sensor3_data, color: "#0C0"},
{label: "Sensor 4", data: sensor4_data, color: "#F60"}
],
{
series: {
lines: {show: true},
points: {show: true}
},
grid: {
hoverable: true,
clickable: true
},
xaxis: {
mode: "time",
ticks: 12
},
legend: {
show: true,
noColumns: 4
}

});

// Function that actually "draws" (inserts, really) the tooltip used below
function showTooltip(x, y, contents) {
$('<div id="tooltip">' + contents + "</div>").css({
position: "absolute",
display: "none",
top: y + 5,
left: x + 5,
border: "1px solid #ccc",
padding: "2px",
"background-color": "#eee",
opacity: 0.80
}).appendTo("body").fadeIn(200);
}

// Show a handy tooltip when a data point is clicked on the plot
$("#chart_div").bind("plotclick", function (event, pos, item) {
$("#tooltip").remove();
if (item) {
var date = new Date(item.datapoint[0]);
var str_ts = date.getHours() + ":" + date.getMinutes() + ":" + date.getSeconds();

showTooltip(item.pageX, item.pageY,
item.series.label + " at " + str_ts + " = " + item.datapoint[1]);
}
});

// When the page loads we need to know the latest timestamp so we can keep updating from there
// Store the value in a hidden dive on the page to make retrieval simple
$("#last_ts").text(sensor1_data[59][0]);

var ret = [];
function get_new_values(timestamp) {
// Perform an AJAX get request to get the new data values to display
$.get("/bfcs/chart_update", {last_ts: timestamp / 1000}, function(data) {
ret = []

if (data != '') {
// Parse the returned string into an array
rows = data.split(",")
//<![CDATA[
for (i = 0; i < rows.length; i++) {
// ]]>
ret.push(rows[i].split(" "))
}

// Grab the last row and set the new starting timestamp
// alert(ret);
$("#last_ts").text(ret[ret.length - 1][1]);
}
});
return ret;
}

function update() {
// Get the new values to plot and show in the readings table
var ts = $("#last_ts").text();
var rows = get_new_values(parseInt(ts));

//<![CDATA[
if (typeof rows !== 'undefined' && rows.length > 0) { // stuff like this is why js is stupid
// ]]>

sensor1_data.splice(0, rows.length);
sensor2_data.splice(0, rows.length);
sensor3_data.splice(0, rows.length);
sensor4_data.splice(0, rows.length);

//<![CDATA[
for (i = 0; i < rows.length; i++) {
// ]]>
var row = rows[i];
// Update the arrays containing the raw sensor data for plotting
sensor1_data.push([row[1], row[2]]);
sensor2_data.push([row[1], row[3]]);
sensor3_data.push([row[1], row[4]]);
sensor4_data.push([row[1], row[5]]);

// Remove the last row from readings table
$("#readings tr:last").remove();

// Toggle ctr to keep track of the appropriate row CSS class
var tr_class;
if (ctr == 0) {
tr_class = "odd";
} else {
tr_class = "even";
}
ctr ^= 1;

// If the relay is on, set the appropriate CSS class
var relay_class = '';
if (row[6] == "on") {
relay_class = "relay_on";
}
// Insert new rows after the table header in readings table
$('<tr class="' + tr_class + '">' +
'<td>' + row[0] + '</td>' +
'<td class="center">' + row[2] + '</td>' +
'<td class="center">' + row[3] + '</td>' +
'<td class="center">' + row[4] + '</td>' +
'<td class="center">' + row[5] + '</td>' +
'<td class="center ' + relay_class + '">' + row[6] + '</td>' +
'</tr>').insertBefore($("#readings tr:eq(1)"));
}

// Assemble new plot data into format needed to plot
var new_data = [
{label: "Sensor 1", data: sensor1_data, color: "#FC0"},
{label: "Sensor 2", data: sensor2_data, color: "#C3F"},
{label: "Sensor 3", data: sensor3_data, color: "#0C0"},
{label: "Sensor 4", data: sensor4_data, color: "#F60"}
];

// Plot the new data, update the grid, then redraw
plot.setData(new_data);
plot.setupGrid()
plot.draw();
}

// Re-call this function every second so that updates happen automagically
setTimeout(update, 1000);
}
update();

});
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</script>
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</head>
<body>
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<h1>${title}</h1>
<h3>Graph of Last 60 Readings</h3>
<div id="chart_div" style="width: 900px; height: 500px;"></div>
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<div id="last_ts" style="display:none;"></div>
<h3>Table of Last 300 Readings (5 mins)</h3>
<table id="readings">
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<tr>
<th>Time</th>
<th class="sensor1">Sensor 1</th>
<th class="sensor2">Sensor 2</th>
<th class="sensor3">Sensor 3</th>
<th class="sensor4">Sensor 4</th>
<th class="max">Relay Status</th>
</tr>
<tr py:for="ctr, row in enumerate(results)" class="${ctr % 2 and 'odd' or 'even'}">
<td>${row[0]}</td>
<td class="center">${row[1]}</td>
<td class="center">${row[2]}</td>
<td class="center">${row[3]}</td>
<td class="center">${row[4]}</td>
<td class="center ${row[5] == 1 and 'relay_on' or ''}">${int(row[5]) and 'on' or 'off'}</td>
</tr>
</table>
<br />
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<a href="/bfcs">Back</a> -- <a href="./${url_date}/all">All</a>
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</body>
</html>