colorbox.theme.inc

<?php


/**
 * @file
 * Colorbox theme functions.
 */

/**
 * Returns HTML for an Colorbox image field formatter.
 *
 * @param $variables
 *   An associative array containing:
 *   - item: An array of image data.
 *   - image_style: An optional image style.
 *   - path: An array containing the link 'path' and link 'options'.
 *
 * @ingroup themeable
 */
function theme_colorbox_image_formatter($variables) {
    $item = $variables['item'];
    $entity_type = $variables['entity_type'];
    $entity = $variables['entity'];
    $field = $variables['field'];
    $settings = $variables['display_settings'];
    $image = array(
        'path' => $item['uri'],
        'alt' => $item['alt'],
        'title' => $item['title'],
        'style_name' => $settings['colorbox_node_style'],
    );
    if (isset($item['width']) && isset($item['height'])) {
        $image['width'] = $item['width'];
        $image['height'] = $item['height'];
    }
    $entity_title = entity_label($entity_type, $entity);
    switch ($settings['colorbox_caption']) {
        case 'auto':
            // If the title is empty use alt or the entity title in that order.
            if (!empty($image['title'])) {
                $caption = $image['title'];
            }
            elseif (!empty($image['alt'])) {
                $caption = $image['alt'];
            }
            elseif (!empty($entity_title)) {
                $caption = $entity_title;
            }
            else {
                $caption = '';
            }
            break;
        case 'title':
            $caption = $image['title'];
            break;
        case 'alt':
            $caption = $image['alt'];
            break;
        case 'node_title':
            $caption = $entity_title;
            break;
        case 'custom':
            $caption = token_replace($settings['colorbox_caption_custom'], array(
                $entity_type => $entity,
                'file' => (object) $item,
            ), array(
                'clear' => TRUE,
            ));
            break;
        default:
            $caption = '';
    }
    // Shorten the caption for the example styles or when caption shortening is active.
    $colorbox_style = variable_get('colorbox_style', 'default');
    $trim_length = variable_get('colorbox_caption_trim_length', 75);
    if ((strpos($colorbox_style, 'colorbox/example') !== FALSE || variable_get('colorbox_caption_trim', 0)) && drupal_strlen($caption) > $trim_length) {
        $caption = drupal_substr($caption, 0, $trim_length - 5) . '...';
    }
    // Build the gallery id.
    list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
    $entity_id = !empty($id) ? $entity_type . '-' . $id : 'entity-id';
    switch ($settings['colorbox_gallery']) {
        case 'post':
            $gallery_id = 'gallery-' . $entity_id;
            break;
        case 'page':
            $gallery_id = 'gallery-all';
            break;
        case 'field_post':
            $gallery_id = 'gallery-' . $entity_id . '-' . $field['field_name'];
            break;
        case 'field_page':
            $gallery_id = 'gallery-' . $field['field_name'];
            break;
        case 'custom':
            $gallery_id = $settings['colorbox_gallery_custom'];
            break;
        default:
            $gallery_id = '';
    }
    if ($style_name = $settings['colorbox_image_style']) {
        $path = image_style_url($style_name, $image['path']);
    }
    else {
        $path = file_create_url($image['path']);
    }
    return theme('colorbox_imagefield', array(
        'image' => $image,
        'path' => $path,
        'title' => $caption,
        'gid' => $gallery_id,
    ));
}

/**
 * Returns HTML for an image using a specific Colorbox image style.
 *
 * @param $variables
 *   An associative array containing:
 *   - image: image item as array.
 *   - path: The path of the image that should be displayed in the Colorbox.
 *   - title: The title text that will be used as a caption in the Colorbox.
 *   - gid: Gallery id for Colorbox image grouping.
 *
 * @ingroup themeable
 */
function theme_colorbox_imagefield($variables) {
    $class = array(
        'colorbox',
    );
    if ($variables['image']['style_name'] == 'hide') {
        $image = '';
        $class[] = 'js-hide';
    }
    elseif (!empty($variables['image']['style_name'])) {
        $image = theme('image_style', $variables['image']);
    }
    else {
        $image = theme('image', $variables['image']);
    }
    $options = array(
        'html' => TRUE,
        'attributes' => array(
            'title' => $variables['title'],
            'class' => implode(' ', $class),
            'rel' => $variables['gid'],
        ),
    );
    return l($image, $variables['path'], $options);
}

/**
 * Preprocess variables for the colorbox-insert-image.tpl.php file.
 */
function template_preprocess_colorbox_insert_image(&$variables) {
    $class = array();
    $file = file_load($variables['item']['fid']);
    if (!empty($variables['widget']['settings']['insert_class'])) {
        $class = explode(' ', $variables['widget']['settings']['insert_class']);
    }
    $class[] = 'image-' . $variables['item']['style_name'];
    foreach ($class as $key => $value) {
        $class[$key] = drupal_html_class($value);
    }
    $variables['image_path'] = image_style_url($variables['item']['style_name'], $file->uri);
    if ($style_name = variable_get('colorbox_image_style', '')) {
        $variables['link_path'] = image_style_url($style_name, $file->uri);
    }
    else {
        $variables['link_path'] = file_create_url($file->uri);
    }
    $variables['class'] = implode(' ', $class);
    $variables['gallery_id'] = '';
    switch (variable_get('colorbox_insert_gallery', 0)) {
        case 0:
        case 1:
        case 2:
            $variables['gallery_id'] = 'gallery-all';
            break;
        case 3:
            $variables['gallery_id'] = '';
            break;
    }
}