function customizeChartProperties()
{
parent::customizeChartProperties();
$dataSetsToDisplay = $this->getDataSetsToDisplay();
if ($dataSetsToDisplay === false) {
return;
}
$colors = array("0x3357A0", "0xCC3399", "0x9933CC", "0x80a033", "0xFD9816", "0x246AD2", "0xFD16EA", "0x49C100");
$i = 0;
foreach ($dataSetsToDisplay as $dataSetToDisplay) {
$color = $colors[$i % count($colors)];
$labelName = $this->yLabels[$dataSetToDisplay];
$d = new hollow_dot();
$d->size(3)->halo_size(0)->colour($color);
$line = new line();
$line->set_default_dot_style($d);
$line->set_key($labelName, 11);
$line->set_width(1);
$line->set_colour($color);
// Line Values
// Note: we have to manually create the dot values as the steps feature doens't work on X axis
// when it's working again, we can remove code below and set generic tooltip above: // ->tooltip('#x_label#<br>#val# '.$labelName)
$yValues = $this->yValues[$dataSetToDisplay];
$labelName = $this->yLabels[$dataSetToDisplay];
$lineValues = array();
$j = 0;
$unit = $this->yUnit;
foreach ($this->xLabels as $label) {
$value = (double) $yValues[$j];
$lineValue = new hollow_dot($value);
$whole = (int) $value;
if ($value - $whole >= 0.005) {
$value = sprintf('%.2f', $value);
}
$lineValue->tooltip("{$label}<br><b>{$value}{$unit}</b> {$labelName}");
if (!empty($this->xOnClick)) {
$lineValue->on_click("piwikHelper.redirectToUrl('" . $this->xOnClick[$j] . "')");
}
$lineValues[] = $lineValue;
$j++;
}
$line->set_values($lineValues);
$lines[] = $line;
$i++;
}
foreach ($lines as $line) {
$this->chart->add_element($line);
}
// if one column is a percentage we set the grid accordingly
// note: it is invalid to plot a percentage dataset along with a numeric dataset
if ($this->yUnit == '%' && $this->maxValue > 90) {
$this->y->set_range(0, 100, 50);
}
}
