function readmorecontrol_text_compare_items in Read More Control 7

Implements the callback readmorecontrol_MODULE_compare_items().

1 call to readmorecontrol_text_compare_items()

readmorecontrol_smart_trim_compare_items in ./readmorecontrol.module

File

./readmorecontrol.module, line 686

Defines options to control how the Read more link is displayed on teasers.

Code

function readmorecontrol_text_compare_items($items, $context) {
  extract($context, EXTR_SKIP);

  // We can bypass processing of some combinations.
  if ($display['type'] == $display_full['type']) {
    switch ($display['type']) {
      case 'text_default':
      case 'text_plain':
        return FALSE;
    }
  }

  // Avoid additional processing, do this once for both if required.
  $needs_sanitization = $display['type'] != 'text_plain' || $display_full['type'] != 'text_plain';
  $has_summary = $display['type'] == 'text_summary_or_trimmed' || $display_full['type'] == 'text_summary_or_trimmed';
  foreach ($items as $delta => $item) {
    $sanitized_text = $needs_sanitization ? _text_sanitize($instance, $langcode, $item, 'value') : '';
    $sanitized_summary = $has_summary ? _text_sanitize($instance, $langcode, $item, 'summary') : '';
    $display_text = '';
    $full_display_text = '';
    foreach (array(
      'display_text',
      'full_display_text',
    ) as $var) {
      $test_display = $var == 'display_text' ? $display : $display_full;
      switch ($test_display['type']) {
        case 'text_default':
        case 'text_trimmed':
          ${$var} = $sanitized_text;
          if ($test_display['type'] == 'text_trimmed') {
            ${$var} = text_summary(${$var}, $instance['settings']['text_processing'] ? $item['format'] : NULL, $test_display['settings']['trim_length']);
          }
          else {

            // If <!--break--> was used, we need to strip it out.
            ${$var} = str_replace('<!--break-->', '', ${$var});
          }
          break;
        case 'text_summary_or_trimmed':
          if (!empty($item['summary'])) {
            ${$var} = $sanitized_summary;
          }
          else {
            ${$var} = text_summary($sanitized_text, $instance['settings']['text_processing'] ? $item['format'] : NULL, $test_display['settings']['trim_length']);
          }
          break;
        case 'text_plain':
          ${$var} = strip_tags($item['value']);
          break;
        case 'smart_trim_format':
          ${$var} = '';
          if (function_exists('smart_trim_field_formatter_view')) {
            $smart_trim = smart_trim_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, array(
              $item,
            ), $display);
            if (isset($smart_trim[0]['#markup'])) {
              ${$var} = $smart_trim[0]['#markup'];
            }
          }
          break;
      }
    }
    if ($display_text != $full_display_text) {
      return TRUE;
    }
  }
  return FALSE;
}