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SparklineChart.php
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SparklineChart.php
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<?php
// Include connection file
require_once 'connection.php';
// Attempt select query execution
$query = "SELECT * FROM sensor_values";
$result = mysqli_query($con, $query);
$chart_data = '';
while($row = mysqli_fetch_array($result))
{
$time = $row['time'];
$parsed = date_parse($time);
$seconds = $parsed['hour'] * 3600 + $parsed['minute'] * 60 + $parsed['second'];
$chart_data .="[".$seconds." , ".$row['acceleration']."], ";
}
$chart_data = substr ($chart_data, 0, -2);
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Dashboard</title>
<link rel="stylesheet" href="css/bootstrap.min.css">
<style type="text/css">
.jqstooltip{
min-width: 150px !important;
min-height:40px !important;
padding: 20px;
}
</style>
</head>
<body>
<div class="wrapper">
<div class="container-fluid">
<div class="row">
<div class="col-md-4">
<div class="clearfix">
<h2 class="pull-left">Sensor values</h2>
</div>
<?php
// Include connection file
require_once 'connection.php';
// Attempt select query execution
$query = "SELECT * FROM sensor_values";
if($result = mysqli_query($con, $query)){
if(mysqli_num_rows($result) > 0){
echo "<table class='table table-bordered table-striped'>";
echo "<thead>";
echo "<tr>";
echo "<th>No</th>";
echo "<th>Acceleration</th>";
echo "<th>Time</th>";
echo "</tr>";
echo "</thead>";
echo "<tbody>";
$no=1;
while($row = mysqli_fetch_array($result)){
echo "<tr>";
echo "<td>" . $no++ . "</td>";
echo "<td>" . $row['acceleration'] . "</td>";
echo "<td>" . $row['time'] . "</td>";
echo "</tr>";
}
echo "</tbody>";
echo "</table>";
// Free result set
mysqli_free_result($result);
} else{
echo "<p class='lead'><em>No records were found.</em></p>";
}
} else{
echo "ERROR: Could not able to execute $query. " . mysqli_error($con);
}
// Close connection
mysqli_close($con);
?>
</div>
<div class="col-md-6">
<h2 class="text-center">Sparkline chart</h2>
<div id="chart" style="width:600px; height:300px;"></div>
</div>
</div>
</div>
</div>
<script src="js/jquery.min.js"></script>
<script type = "text/javascript" src ="js/jquery.sparkline.js"></script>
<script src="js/bootstrap.js"></script>
<script type="text/javascript">
$(function(){
var myvalues = [<?php echo $chart_data; ?>];
$ ('#chart').sparkline(myvalues, {
type : 'line',
width: '120%',
height: '200',
lineWidth: 2,
spotColor: '#a9282a',
spotRadius: 4,
drawNormalOnTop:true
});
});
</script>
</body>
</html>