function _charts_highcharts_populate_chart_axes in Charts 8

Same name and namespace in other branches

1. 7.2 modules/charts_highcharts/charts_highcharts.inc \_charts_highcharts_populate_chart_axes()

Utility to populate chart axes.

_definition

Parameters

$chart:

Return value

mixed

1 call to _charts_highcharts_populate_chart_axes()

_charts_highcharts_render in modules/charts_highcharts/charts_highcharts.inc

Chart render callback; Convert all chart-level data.

File

modules/charts_highcharts/charts_highcharts.inc, line 146

Callbacks and utility functions for rendering a Highcharts Chart.

Code

function _charts_highcharts_populate_chart_axes($chart, $chart_definition) {
  foreach (\Drupal::state()
    ->getMultiple($chart) as $key) {
    if ($chart[$key]['#type'] === 'chart_xaxis' || $chart[$key]['#type'] === 'chart_yaxis') {

      // Make sure defaults are loaded.
      if (empty($chart[$key]['#defaults_loaded'])) {
        $chart[$key] += \Drupal::service('element_info')
          ->getInfo($chart[$key]['#type']);
      }

      // Populate the chart data.
      $axisType = $chart[$key]['#type'] === 'chart_xaxis' ? 'xAxis' : 'yAxis';
      $axis = array();
      $axis['type'] = $chart[$key]['#axis_type'];
      $axis['title']['text'] = $chart[$key]['#title'];
      $axis['title']['style']['color'] = $chart[$key]['#title_color'];
      $axis['title']['style']['fontWeight'] = $chart[$key]['#title_font_weight'];
      $axis['title']['style']['fontStyle'] = $chart[$key]['#title_font_style'];
      $axis['title']['style']['fontSize'] = $chart[$key]['#title_font_size'];
      $axis['categories'] = $chart[$key]['#labels'];
      $axis['labels']['style']['color'] = $chart[$key]['#labels_color'];
      $axis['labels']['style']['fontWeight'] = $chart[$key]['#labels_font_weight'];
      $axis['labels']['style']['fontStyle'] = $chart[$key]['#labels_font_style'];
      $axis['labels']['style']['fontSize'] = $chart[$key]['#labels_font_size'];
      $axis['labels']['rotation'] = $chart[$key]['#labels_rotation'];
      $axis['gridLineColor'] = $chart[$key]['#grid_line_color'];
      $axis['lineColor'] = $chart[$key]['#base_line_color'];
      $axis['minorGridLineColor'] = $chart[$key]['#minor_grid_line_color'];
      $axis['endOnTick'] = isset($chart[$key]['#max']) ? FALSE : NULL;
      $axis['max'] = $chart[$key]['#max'];
      $axis['min'] = $chart[$key]['#min'];
      $axis['opposite'] = $chart[$key]['#opposite'];

      // Dealing with axis rotation in a reasonable manner is complicated in
      // Highcharts. We want the label to be reasonably positioned on the
      // outside of the chart when labels are rotated.
      if ($axis['labels']['rotation']) {
        $chart_type = charts_get_type($chart['#chart_type']);
        if ($axisType === 'xAxis' && !$chart_type['axis_inverted']) {
          $axis['labels']['align'] = 'left';
        }
        elseif ($axisType === 'yAxis' && $chart_type['axis_inverted']) {
          $axis['labels']['align'] = 'left';
        }
        else {

          // Rotation not allowed on left/right axis.
          unset($axis['labels']['rotation']);
        }
      }

      // Merge in axis raw options.
      if (isset($chart[$key]['#raw_options'])) {
        $axis = NestedArray::mergeDeep($axis, $chart[$key]['#raw_options']);
      }
      $chart_definition[$axisType][] = $axis;
    }
  }
  return $chart_definition;
}