protected function renderChart($a_id, $a_variables)
{
include_once "Services/Chart/classes/class.ilChart.php";
$chart = new ilChart($a_id, 700, 400);
$legend = new ilChartLegend();
$chart->setLegend($legend);
$chart->setYAxisToInteger(true);
$data = new ilChartData("bars");
$data->setLabel($this->lng->txt("users_answered"));
$data->setBarOptions(0.5, "center");
$max = 5;
if (sizeof($a_variables) <= $max) {
if ($a_variables) {
$labels = array();
foreach ($a_variables as $idx => $points) {
$data->addPoint($idx, $points["selected"]);
$labels[$idx] = $idx + 1 . ". " . ilUtil::prepareFormOutput($points["title"]);
}
$chart->addData($data);
$chart->setTicks($labels, false, true);
}
return "<div style=\"margin:10px\">" . $chart->getHTML() . "</div>";
} else {
$chart_legend = array();
$labels = array();
foreach ($a_variables as $idx => $points) {
$data->addPoint($idx, $points["selected"]);
$labels[$idx] = $idx + 1 . ".";
$chart_legend[$idx + 1] = ilUtil::prepareFormOutput($points["title"]);
}
$chart->addData($data);
$chart->setTicks($labels, false, true);
$legend = "<table>";
foreach ($chart_legend as $number => $caption) {
$legend .= "<tr valign=\"top\"><td>" . $number . ".</td><td>" . $caption . "</td></tr>";
}
$legend .= "</table>";
return "<div style=\"margin:10px\"><table><tr valign=\"bottom\"><td>" . $chart->getHTML() . "</td><td class=\"small\" style=\"padding-left:15px\">" . $legend . "</td></tr></table></div>";
}
}
protected function renderChart($a_id, $a_values)
{
include_once "Services/Chart/classes/class.ilChart.php";
$chart = new ilChart($a_id, 700, 400);
$legend = new ilChartLegend();
$chart->setLegend($legend);
$data = new ilChartData("bars");
$data->setLabel($this->lng->txt("users_answered"));
$data->setBarOptions(0.1, "center");
if ($a_values) {
$labels = array();
foreach ($a_values as $idx => $answer) {
$data->addPoint($answer["value"], $answer["selected"]);
$labels[$answer["value"]] = $answer["value"];
}
$chart->addData($data);
$chart->setTicks($labels, false, true);
}
return "<div style=\"margin:10px\">" . $chart->getHTML() . "</div>";
}
