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); } }