function charts_plugin_style_chart::options_form in Charts 7.2

Same name and namespace in other branches

1. 6 views/charts_plugin_style_chart.inc \charts_plugin_style_chart::options_form()
2. 7 views/charts_plugin_style_chart.inc \charts_plugin_style_chart::options_form()

Generate a form for setting options.

Overrides views_plugin_style::options_form

File

views/charts_plugin_style_chart.inc, line 39

Contains the Chart style (format) plugin (similar to Table, HTML List, etc.)

Class

charts_plugin_style_chart

Style plugin to render view as a chart.

Code

function options_form(&$form, &$form_state) {
  parent::options_form($form, $form_state);
  $handlers = $this->display->handler
    ->get_handlers('field');
  if (empty($handlers)) {
    $form['error_markup'] = array(
      '#markup' => '<div class="error messages">' . t('You need at least one field before you can configure your table settings') . '</div>',
    );
    return;
  }

  // Limit grouping options (we only support one grouping field).
  if (isset($form['grouping'][0])) {
    $form['grouping'][0]['field']['#title'] = t('Grouping field');
    $form['grouping'][0]['field']['#description'] = t('If grouping by a particular field, that field will be used to generate multiple data series on the same chart.');
    $form['grouping'][0]['field']['#attributes']['class'][] = 'charts-grouping-field';

    // Grouping by rendered version has no effect in charts. Hide the options.
    $form['grouping'][0]['rendered']['#access'] = FALSE;
    $form['grouping'][0]['rendered_strip']['#access'] = FALSE;
  }
  if (isset($form['grouping'][1])) {
    $form['grouping'][1]['#access'] = FALSE;
  }

  // Merge in the global chart settings form.
  module_load_include('inc', 'charts', 'includes/charts.pages');
  $field_options = $this->display->handler
    ->get_field_labels();
  $form = charts_settings_form($form, $this->options, $field_options, array(
    'style_options',
  ));

  // Reduce the options if this is a chart extension.
  if ($parent_display = $this
    ->get_parent_chart_display()) {
    $parent_chart_type = chart_get_type($parent_display->display_options['style_options']['type']);
    if (empty($form['type']['#default_value'])) {
      $form['type']['#default_value'] = $parent_display->display_options['style_options']['type'];
    }
    $form['type']['#description'] = empty($form['type']['#description']) ? '' : $form['type']['#description'] . ' ';
    $form['type']['#description'] .= t('This chart will be combined with the parent display "@display_title", which is a "@type" chart. Not all chart types may be combined. Selecting a different chart type than the parent may cause errors.', array(
      '@display_title' => $parent_display->display_title,
      '@type' => $parent_chart_type['label'],
    ));
    $form['fields']['label_field']['#disabled'] = TRUE;
    $form['display']['#access'] = FALSE;
    $form['xaxis']['#access'] = FALSE;
    if ($this->display->handler
      ->get_option('inherit_yaxis')) {
      $form['yaxis']['#access'] = FALSE;
    }
    else {
      $form['yaxis']['#title'] = t('Secondary axis');
      $form['yaxis']['#attributes']['class'] = array();
    }
  }
}