function flot_views_plugin_style::preprocess in Flot 6

Same name and namespace in other branches

1. 7 flot_views/views/flot_views_plugin_style.inc \flot_views_plugin_style::preprocess()

Theme template preprocessor.

1 method overrides flot_views_plugin_style::preprocess()

flot_views_plugin_summary_style::preprocess in views/flot_views_plugin_summary_style.inc

Theme template preprocessor.

File

views/flot_views_plugin_style.inc, line 218

Class

flot_views_plugin_style

Code

function preprocess(&$vars) {
  $view = $this->view;
  $options = $this->options;

  // Parameters
  $type = !empty($options['type']) ? $options['type'] : 'line';
  $size = !empty($options['size']) ? explode('x', $options['size']) : array(
    '200',
    '100',
  );

  // DOM element options
  $element = array();
  $element['style'] = is_numeric($size[0]) ? "width:{$size[0]}px;" : "width:{$size[0]};";
  $element['style'] .= is_numeric($size[1]) ? "height:{$size[1]}px;" : "height:{$size[1]};";
  $vars['element'] = $element;

  // Build layers.
  $layers = $this
    ->get_layers();
  $vars['data'] = $layers['series'];
  $vars['titles'] = $layers['titles'];
  $range = $layers['range'];
  $ticks = $layers['ticks'];

  // Set up the type class, set axes
  switch ($options['type']) {
    case 'point':
      $style = new flotStylePoint();
      break;
    case 'bar':
      $style = new flotStyleBar();
      break;
    case 'line':
    default:
      $style = new flotStyleLine();
      break;
  }

  // Format Y Axis
  $granularity = 0;

  // If max is too small Flot barfs -- set a minimum value
  $range['max'] = $range['max'] < 5 ? 5 : $range['max'];

  // Pad Y axis if necessary
  if ($options['y']['pad']) {
    $range['min'] = 0;
    $range['max'] = floor($range['max'] + $range['max'] * 0.1);
  }
  if (!empty($options['y']['label'])) {
    switch ($options['y']['granularity']) {
      case 'endpoints':
        $yticks = array(
          array(
            $range['min'],
            $range['min'],
          ),
          array(
            $range['max'],
            $range['max'],
          ),
        );
        $style
          ->axis_ticks('yaxis', $yticks);
        break;
      case 'auto':
        $style
          ->axis_range('yaxis', $range);
        break;
      default:
        $style
          ->axis_range('yaxis', $range, $options['y']['granularity']);
        break;
    }
  }
  else {
    $style->yaxis->ticks = array();
  }
  if (count($ticks) > 1 && !empty($options['x']['label'])) {
    $domain = array(
      reset($ticks),
      end($ticks),
    );
    switch ($options['x']['granularity']) {
      case 'endpoints':
        $style
          ->axis_ticks('xaxis', $domain);
        break;
      case 'auto':
        $style
          ->axis_ticks('xaxis', $ticks);
        break;
      default:
        $domain_range = array(
          $domain[0][0],
          $domain[1][0],
        );
        $style
          ->axis_range('xaxis', $domain_range, $options['x']['granularity']);
        break;
    }
  }
  else {
    $style->xaxis->ticks = array();
  }
  $vars['options'] = $style;
}