galleryformatter.theme.inc in Gallery formatter 6

Provides theme preprocess for the galleryformatter default formatter

File

includes/galleryformatter.theme.inc

<?php

/**
 * @file
 * Provides theme preprocess for the galleryformatter default formatter
 */

/**
 * Preprocess function for galleryformatter.tpl.php
 */
function template_preprocess_galleryformatter_formatter_galleryformatter_default(&$vars) {
  $children = element_children($vars['element']);
  foreach ($children as $key) {

    // Check that we actualy have an image in each element
    if (!empty($vars['element'][$key]['#item']['fid'])) {
      $items[] = $vars['element'][$key]['#item'];
    }
  }

  // dont do anything unless we have at least one image
  $num_of_images = count($items);
  if ($num_of_images > 0) {

    // grab the widget settings for for both image cache presets we will be using later
    $widget = galleryformatter_get_field_settings($vars['element']['#field_name'], $vars['element']['#type_name']);
    $thumb_preset = $widget['thumb_preset'];
    $slide_preset = $widget['slide_preset'];
    $style = $widget['style'];

    // ONLY do something if both of these presets are set for this field
    if (isset($thumb_preset) && $thumb_preset !== '0' && isset($slide_preset) && $slide_preset !== '0') {

      // Setup our arrays of variables for the template file to use
      foreach ($items as $id => $field) {

        // Grab and sanitize image information
        $description = $field['data']['description'];
        $title = $field['data']['title'];
        $filename = $field['filename'];
        $filepath = $field['filepath'];

        // Check if alt attribute is already set, if not use the filename as alt attribute
        $alt = isset($field['data']['alt']) && !empty($field['data']['alt']) ? $field['data']['alt'] : $filename;

        // If the title is empty use description, alt or the node title in that order.
        if (empty($field['data']['title'])) {
          if (!empty($field['data']['description'])) {
            $title = $description;
          }
          elseif (!empty($field['data']['alt'])) {
            $title = $alt;
          }
          else {
            $title = $vars['element']['#node']->title;

            // if we have more than one image, add the image count to the title so they are not all the same.
            $title = $num_of_images > 1 ? $title . t(' image ') . ($id + 1) : $title;
          }
        }

        // prepare the unique hash id per image
        $slideset_id = $vars['element']['#field_name'] . '-' . $vars['element']['#node']->nid;
        $hash_id = 'slide-' . $id . '-' . $slideset_id;

        // prepare slides
        $slides[$id]['image'] = theme('imagecache', $slide_preset, $filepath, $alt, $title);
        if (!empty($field['data']['title'])) {
          $slides[$id]['title'] = check_plain($title);
        }
        $slides[$id]['description'] = check_plain($description);
        $slides[$id]['filepath'] = $filepath;
        $slides[$id]['hash_id'] = $hash_id;

        // link the slides to the original image if so configured
        $vars['link_to_full'] = $widget['link_to_full'];

        // let the tpl know if we are liking or not
        $vars['gallery_style'] = '';

        // initialize the key to avoid further warnings
        if ($widget['link_to_full'] == TRUE) {
          $vars['gallery_style'] = 'galleryformatter-view-full ';

          // give the gallery a class for themers to play with
          $link_attributes = array(
            'title' => $title,
          );

          // integration with other modules for jQuery modal windows
          switch ($widget['modal']) {
            case 'none':
              break;
            case 'colorbox':
              $link_attributes['class'] .= ' colorbox';
              $link_attributes['rel'] = 'gallery-[' . $slideset_id . ']';
              break;
            case 'thickbox':
              $link_attributes['class'] .= ' thickbox';
              break;
            case 'shadowbox':
              $link_attributes['rel'] = 'shadowbox[' . $slideset_id . ']';
              break;
            case 'lightbox2':
              $link_attributes['rel'] = 'lightbox[' . $slideset_id . ']';
              break;
          }
          $link_url = $widget['link_to_full_preset'] ? imagecache_create_url($widget['link_to_full_preset'], $filepath) : file_create_url($filepath);

          // link the slide image and include the span for the icon
          $slides[$id]['image'] = l('<span class="galleryformatter-view-full" title="' . t('View the full image') . '">' . t('View the full image') . '</span>' . $slides[$id]['image'], $link_url, array(
            'attributes' => $link_attributes,
            'html' => TRUE,
          ));
        }

        // END linking to original
        // setup thumbnail images
        if ($num_of_images > 1) {
          $thumbs[$id]['image'] = theme('imagecache', $thumb_preset, $filepath, $alt, $title);
          $thumbs[$id]['hash_id'] = $hash_id;
        }
      }

      // insert into the variables for the template file
      $vars['gallery_thumbs'] = $thumbs;
      $vars['gallery_slides'] = $slides;

      // Get the images width and height for use by the template
      $image_path = $slides[0]['filepath'];

      // the first image will be used to get the dimensions of the gallery
      $slide_dimensions = galleryformatter_getimage_dimensions($slide_preset, $image_path);
      $vars['gallery_slide_height'] = $slide_dimensions['height'];
      $vars['gallery_slide_width'] = $slide_dimensions['width'];

      /**
       * @todo:
       * Give our js some settings maybe
       * Give users some options on click vs. hover?
       */

      /*
      $settings = array();
      $settings['galleryformatter']['settingname'] = 'settingvalue';
      drupal_add_js($settings, 'setting');
      */

      // add the necessary JS and CSS files
      $modulepath = drupal_get_path('module', 'galleryformatter');

      // and setup the thumbnails dimensions if we have more than one images
      if ($num_of_images > 1) {
        $thumb_dimensions = galleryformatter_getimage_dimensions($thumb_preset, $image_path);
        $vars['gallery_thumb_height'] = $thumb_dimensions['height'];
        $vars['gallery_thumb_width'] = $thumb_dimensions['width'];
        drupal_add_js($modulepath . '/theme/infiniteCarousel.js');
        drupal_add_js($modulepath . '/theme/galleryformatter.js');
      }

      // setup the style class
      $vars['gallery_style'] .= 'galleryformatter-' . drupal_strtolower($style);
      galleryformatter_add_css($style);
    }
    else {
      $destination = drupal_get_destination();
      $configure_path = 'admin/content/node-type/' . str_replace('_', '-', $vars['element']['#type_name']) . '/fields/' . $vars['element']['#field_name'];
      $configure_link = l($vars['element']['#field_name'], $configure_path, array(
        'query' => $destination,
      ));
      drupal_set_message('Please select both a thumbnail and slide presets in your Gallery Formatter settings for ' . $configure_link . '. The jQuery gallery needs these settings to work.', 'warning');
    }
  }
}

Functions

Name	Description
template_preprocess_galleryformatter_formatter_galleryformatter_default	Preprocess function for galleryformatter.tpl.php