function chart_views_plugin_style_chart::calc_fields in Google Chart Tools: Image Charts 6

Make sure calc_fields is always an array, even when not multiple.

3 calls to chart_views_plugin_style_chart::calc_fields()

chart_views_plugin_style_chart::options_form in chart_views/includes/views/chart_views_plugin_style_chart.inc

Generate a form for setting options.

chart_views_plugin_style_chart::query in chart_views/includes/views/chart_views_plugin_style_chart.inc

Custom SQL query change.

chart_views_plugin_style_chart::render in chart_views/includes/views/chart_views_plugin_style_chart.inc

Define and display a chart from the grouped values.

File

chart_views/includes/views/chart_views_plugin_style_chart.inc, line 131

Drupal Chart API Views Integration. @Based on the Charts module's Views integration

Class

chart_views_plugin_style_chart

Style plugin to render view as a chart.

Code

function calc_fields() {
  $calc_fields = (array) $this->options['calc_fields'];
  return array_values($calc_fields);
}