function _quant_generate_chart_multiple in Quant 6

Take formatted data for a multi-point chart and convert to a format that the charts can understand

File

includes/chart.inc, line 208

Chart building functions

Code

function _quant_generate_chart_multiple(&$quant) {
  $max = 0;

  // Determine the highest available value on y-axis
  $interval = 0;

  // Counter to help break the x-axis label
  $x = FALSE;

  // Only register the x-axis labels once
  foreach ($quant->data as $type => $values) {

    // Set type as a legend
    $quant->chart['#legends'][] = $type;

    // Period when to break x-axis
    $period = ceil(count($data[$type]) / 10);
    foreach ($values as $date => $value) {
      $quant->chart['#data'][$type][] = $value;
      $max = max($max, $value);
      if (!$x) {

        // Only set x-axis labels once
        if (!$interval) {
          quant_x_label($quant, $date);
          $interval = $period;
        }
        $interval--;
      }
    }
    $x = TRUE;

    // x-axis labels have been set
  }
  quant_y_range($quant, 0, $max);
  $quant->render = chart_render($quant->chart);
}