function _charts_google_populate_chart_axes in Charts 8

Same name and namespace in other branches

1. 7.2 modules/charts_google/charts_google.inc \_charts_google_populate_chart_axes()

Utility to populate chart axes.

1 call to _charts_google_populate_chart_axes()

_charts_google_render in modules/charts_google/charts_google.inc

Chart render callback; Convert all chart-level data.

File

modules/charts_google/charts_google.inc, line 101

Callbacks and utility functions for rendering a Google Chart.

Code

function _charts_google_populate_chart_axes($chart, $chart_definition) {
  foreach (element_children($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] += element_info($chart[$key]['#type']);
      }

      // Populate the chart data.
      $axis = array();
      $axis['title'] = $chart[$key]['#title'] ? $chart[$key]['#title'] : '';
      $axis['titleTextStyle']['color'] = $chart[$key]['#title_color'];
      $axis['titleTextStyle']['bold'] = $chart[$key]['#title_font_weight'] === 'bold' ? TRUE : FALSE;
      $axis['titleTextStyle']['italic'] = $chart[$key]['#title_font_style'] === 'italic' ? TRUE : FALSE;
      $axis['titleTextStyle']['fontSize'] = $chart[$key]['#title_font_size'];

      // In Google, the row column of data is used as labels.
      if ($chart[$key]['#labels'] && $chart[$key]['#type'] === 'chart_xaxis') {
        foreach ($chart[$key]['#labels'] as $label_key => $label) {
          $chart_definition['data'][$label_key + 1][0] = $label;
        }
      }
      $axis['textStyle']['color'] = $chart[$key]['#labels_color'];
      $axis['textStyle']['bold'] = $chart[$key]['#labels_font_weight'] === 'bold' ? TRUE : FALSE;
      $axis['textStyle']['italic'] = $chart[$key]['#labels_font_style'] === 'italic' ? TRUE : FALSE;
      $axis['textStyle']['fontSize'] = $chart[$key]['#labels_font_size'];
      $axis['slantedText'] = !empty($chart[$key]['#labels_rotation']) ? TRUE : NULL;
      $axis['slantedTextAngle'] = $chart[$key]['#labels_rotation'];
      $axis['gridlines']['color'] = $chart[$key]['#grid_line_color'];
      $axis['baselineColor'] = $chart[$key]['#base_line_color'];
      $axis['minorGridlines']['color'] = $chart[$key]['#minor_grid_line_color'];
      $axis['viewWindowMode'] = isset($chart[$key]['#max']) ? 'explicit' : NULL;
      $axis['viewWindow']['max'] = strlen($chart[$key]['#max']) ? (int) $chart[$key]['#max'] : NULL;
      $axis['viewWindow']['min'] = strlen($chart[$key]['#min']) ? (int) $chart[$key]['#min'] : NULL;

      // Multi-axis support only applies to the major axis in Google charts.
      $chart_type_info = charts_get_type($chart['#chart_type']);
      $axis_index = $chart[$key]['#opposite'] ? 1 : 0;
      if ($chart[$key]['#type'] === 'chart_xaxis') {
        $axis_keys = !$chart_type_info['axis_inverted'] ? array(
          'hAxis',
        ) : array(
          'vAxes',
          $axis_index,
        );
      }
      else {
        $axis_keys = !$chart_type_info['axis_inverted'] ? array(
          'vAxes',
          $axis_index,
        ) : array(
          'hAxis',
        );
      }
      $axis_drilldown =& $chart_definition['options'];
      foreach ($axis_keys as $key) {
        $axis_drilldown =& $axis_drilldown[$key];
      }
      $axis_drilldown = $axis;
    }
  }
  return $chart_definition;
}