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panels_extra_styles.module in Panels Extra Styles 7

Additional styles for the Panels module.

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panels_extra_styles.module
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<?php

/**
 * @file
 * Additional styles for the Panels module.
 */

/**
 * Implements hook_ctools_plugin_directory().
 */
function panels_extra_styles_ctools_plugin_directory($owner, $plugin_type) {
  if ($owner == 'panels') {
    return "plugins/{$plugin_type}";
  }
}

/**
 * Render region callback.
 *
 * - Wrapper: Element.
 * - Wrapper: Raw.
 */
function theme_panels_extra_styles_wrapper_render_region($vars) {
  $content = $vars['panes'];
  $settings = $vars['settings'];

  // Theme.
  if (!empty($settings['theme']) && $settings['theme']) {
    $output = theme('panels_default_style_render_region', $vars);
  }
  else {
    $output = implode(PHP_EOL, $content);
  }

  // Content is wrapped AFTER sending to Panels theming. This behavior is
  // different than with panes.
  if (!empty($output)) {
    $content_wrapper = _panels_extra_styles_wrapper_wrap(!empty($settings['content']) ? $settings['content'] : array());
    $output = $content_wrapper['prefix'] . $output . $content_wrapper['suffix'];
  }
  return $output;
}

/**
 * Render pane callback.
 *
 * - Wrapper: Element.
 * - Wrapper: Raw.
 */
function theme_panels_extra_styles_wrapper_render_pane(&$vars) {
  $content =& $vars['content'];
  $settings = $vars['settings'];

  // Content is wrapped BEFORE sending to Panels theming. This behavior is
  // different than with regions.
  if (!empty($content->title)) {
    $title_wrapper = _panels_extra_styles_wrapper_wrap(!empty($settings['title']) ? $settings['title'] : array());
    $content->title = $title_wrapper['prefix'] . $content->title . $title_wrapper['suffix'];
  }
  if (!empty($content->content)) {
    $content_wrapper = _panels_extra_styles_wrapper_wrap(!empty($settings['content']) ? $settings['content'] : array());
    $content->content = $content_wrapper['prefix'] . render($content->content) . $content_wrapper['suffix'];
  }

  // Theme.
  if (!empty($settings['theme']) && $settings['theme']) {
    $output = theme('panels_pane', $vars);
  }
  else {
    $title = !empty($content->title) ? $content->title : NULL;
    $content = !empty($content->content) ? $content->content : NULL;
    $output = $title . $content;
  }
  return $output;
}

/**
 * Wrap it, wrap it real good.
 *
 * @return array
 *   Array with prefix and suffix keys.
 */
function _panels_extra_styles_wrapper_wrap($item = array()) {
  $wrap['prefix'] = NULL;
  $wrap['suffix'] = NULL;
  $wrap['attributes'] = NULL;
  if (!empty($item['attributes'])) {
    foreach ($item['attributes'] as $key => $value) {
      if (!empty($value)) {
        $wrap['attributes'] .= " {$key}=\"{$value}\"";
      }
    }
  }
  if (!empty($item['element']) && $item['element'] != 'no_wrapper') {
    $wrap['prefix'] = '<' . $item['element'] . $wrap['attributes'] . '>';
    $wrap['suffix'] = '</' . $item['element'] . '>';
  }
  if (!empty($item['prefix'])) {
    $wrap['prefix'] = $item['prefix'];
  }
  if (!empty($item['suffix'])) {
    $wrap['suffix'] = $item['suffix'];
  }

  // Tidy.
  $wrap['prefix'] = PHP_EOL . $wrap['prefix'];
  $wrap['suffix'] = $wrap['suffix'] . PHP_EOL;
  return $wrap;
}