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chartjs.php
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chartjs.php
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<?php
/*
Sample script for source chartjs using own PHP wrapper class ChartJS
extracted from: https://github.com/Ejdamm/chart.js-php/blob/master/js/Chart.min.js
*/
require_once("classes/ChartJS.php");
$values = [
[28, 48, 40, 19, 86, 27, 90],
[65, 59, 80, 81, 56, 55, 40]
];
$data = [
'labels' => ["January", "February", "March", "April", "May", "June", "July"],
'datasets' => [] //You can add datasets directly here or add them later with addDataset()
];
$colors = [
//['backgroundColor' => 'rgba(28,116,190,.8)', 'borderColor' => 'blue'],
['backgroundColor' => 'lightblue', 'borderColor' => 'blue'],
['backgroundColor' => '#f2b21a', 'borderColor' => '#e5801d'],
['backgroundColor' => ['blue', 'purple', 'red', 'black', 'brown', 'pink', 'green']]
];
//There is a bug in Chart.js that ignores canvas width/height if responsive is not set to false
$options = ['responsive' => true, indexAxis => 'y', 'radius' => 8, 'hoverRadius' => 14,];
//'scales' => ['yAxes' => ['min' => 1], ['yAxes' => ['max' => 5]]] ,];
//html attributes fot the canvas element
//$attributes = ['id' => 'example', 'width' => 500, 'height' => 500, 'style' => 'display:inline;'];
$gattributes = ['style' => 'display:inline;'];
$datasets = [
//['data' => $values[0], 'label' => "Legend1"] + $colors[0],
//['data' => $values[0], 'label' => "Legend1", 'radius' => 8,'hoverRadius' => 14]+ $colors[0],
['data' => $values[0], 'label' => "Legend1"] + $colors[0],
['data' => $values[1], 'label' => "Legend2"] + $colors[1],
['data' => $values[0], 'label' => "Legend1"] + $colors[1],
['data' => $values[1], 'label' => "Legend2"] + $colors[2],
['data' => $values[0]] + $colors[2],
];
/*
* Create charts
*
*/
$attributes = $gattributes; $attributes['id'] = 'example_line';
$Line = new ChartJS('line', $data, $options + array('lineTension' => 0.3), $attributes);
$Line->addDataset($datasets[0]);
$Line->addDataset($datasets[1]);
$attributes = $gattributes; $attributes['id'] = 'example_bar';
$Bar = new ChartJS('bar', $data, $options, $attributes);
$Bar->addDataset($datasets[2]);
$Bar->addDataset($datasets[3]);
/*
$attributes = $gattributes; $attributes['id'] = 'example_radar';
$Radar = new ChartJS('radar', $data, $options, $attributes);
$Radar->addDataset($datasets[0]);
$Radar->addDataset($datasets[1]);
$attributes = $gattributes; $attributes['id'] = 'example_polarArea';
$PolarArea = new ChartJS('polarArea', $data, $options, $attributes);
$PolarArea->addDataset($datasets[4]);
$attributes = $gattributes; $attributes['id'] = 'example_pie';
$Pie = new ChartJS('pie', $data, $options, $attributes);
$Pie->addDataset($datasets[4]);
$attributes = $gattributes; $attributes['id'] = 'example_doughnut';
$Doughnut = new ChartJS('doughnut', $data, $options, $attributes);
$Doughnut->addDataset($datasets[4]);
*/
/*
* Print charts
*
*/
?><!DOCTYPE html>
<html>
<head>
<title>Chart.js-PHP</title>
<script src="js/chart/chart.min.js"></script>
<script src="js/chart/driver.js"></script>
</head>
<body>
<h1>Line</h1>
<?php
echo $Line;
?>
<h1>Bar</h1>
<?php
echo $Bar;
?>
<h1>Radar</h1>
<?php
echo $Radar;
?>
<h1>Polar Area</h1>
<?php
echo $PolarArea;
?>
<h1>Pie & Doughnut</h1>
<?php
echo $Pie . $Doughnut;
?>
<script src="js/chart/chart.min.js"></script>
<script src="js/chart/driver.js"></script>
<script>
(function () {
loadChartJsPhp();
})();
</script>
<?php
$printWidth = "110vw";
require_once("print.js.php");
?>
</body>
</html>
<?php
/*
// Snippet
// Use Moodle Chartjs for ev_compare_results
if ( $ChartAxis == "line")
{ $chart = new \core\chart_line();
$chart->set_smooth(true);
}
elseif ( $ChartAxis == "pie")
{ $chart = new \core\chart_pie(); }
elseif ( $ChartAxis == "doughnut")
{ $chart = new \core\chart_pie();
$chart->set_doughnut(true);
}
// draw stacked bar chart
elseif ( $ChartAxis == "stacked")
{ $chart = new core\chart_bar();
$chart->set_stacked(true);
}
// draw bar chart - DEFAULT
else //if ( $ChartAxis == "bar")
{ $chart = new \core\chart_bar();
$chart->set_horizontal(true);
}
//$chart = new \core\chart_line();
$chart->set_title($evaluation->name);
$series = new \core\chart_series(format_string("Alle Abgaben"), $data['average']);
$series->set_labels($data['average_labels']);
$chart->add_series($series);
$chart->set_labels($data['labels']);
if ( $ChartAxis !== "pie" AND $ChartAxis !== "doughnut" )
{ $yaxis = $chart->get_yaxis(0, true);
$yaxis->set_stepsize(1);
$yaxis->set_min(1);
$yaxis->set_max( $maxval );
$chart->get_yaxis(1, true)->set_labels($label2);
$xaxis = $chart->get_xaxis(0, true);
$xaxis->set_stepsize(1);
}
$count = 0;
if ( $allKey AND count($allIDs) <= $maxCharts )
{ //foreach ( $allIDs AS $allID => $all )
foreach ( $allIDs AS $key => $value )
{ $series = new \core\chart_series( $allValues[$key], $data['average_'.$value] );
//$series->set_type(\core\chart_series::TYPE_LINE);
$series->set_labels( $data['labels_'.$value] );
$chart->add_series($series);
}
}
elseif ( $filter )
{ $series = new \core\chart_series( implode(", ",$fTitle), $data["averageF"]);
$series->set_labels($data['averageF_labels']);
$chart->add_series($series);
}
//$xaxis = $chart->get_xaxis(0, true);
//$chart->get_xaxis(1, true)->set_labels($data['labelsX']);
echo $OUTPUT->render($chart);
// show data table
echo '<script src="js/jquery.min.js"></script><script>
jQuery.("[aria-controls^=chart-table-data-]").text("");
jQuery.("[aria-controls^=chart-table-data-]").attr("aria-expanded", true);
jQuery.("[aria-controls^=chart-table-data-]").show();
</script>';
*/