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<?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' => $item['uri'],
'alt' => isset($item['alt']) ? $item['alt'] : '',
'title' => isset($item['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']);
}
$options = drupal_parse_url($variables['path']);
$options += array(
'html' => TRUE,
'attributes' => array(
'title' => $variables['title'],
'class' => $class,
'rel' => $variables['gid'],
),
'language' => array('language' => NULL),
);
return l($image, $options['path'], $options);
}
/**
* Preprocess variables for the colorbox-insert-image.tpl.php file.
*/
function template_preprocess_colorbox_insert_image(&$variables) {
$variables['file'] = file_load($variables['item']['fid']);
$variables['style_name'] = $variables['item']['style_name'];
$variables['width'] = $variables['item']['width'];
$variables['height'] = $variables['item']['height'];
// Determine dimensions of the image after the image style transformations.
image_style_transform_dimensions($variables['style_name'], $variables);
$class = array();
if (!empty($variables['widget']['settings']['insert_class'])) {
$class = explode(' ', $variables['widget']['settings']['insert_class']);
}
$class[] = 'image-' . $variables['style_name'];
foreach ($class as $key => $value) {
$class[$key] = drupal_html_class($value);
}
$variables['class'] = implode(' ', $class);
$variables['uri'] = image_style_path($variables['style_name'], $variables['file']->uri);
$absolute = isset($variables['widget']['settings']['insert_absolute']) ? $variables['widget']['settings']['insert_absolute'] : NULL;
$variables['url'] = insert_create_url($variables['uri'], $absolute, variable_get('clean_url'));
// http://drupal.org/node/1923336
if (function_exists('image_style_path_token')) {
$token_query = array(IMAGE_DERIVATIVE_TOKEN => image_style_path_token($variables['style_name'], $variables['file']->uri));
$variables['url'] .= (strpos($variables['url'], '?') !== FALSE ? '&' : '?') . drupal_http_build_query($token_query);
}
if ($style_name = variable_get('colorbox_image_style', '')) {
$variables['path'] = image_style_url($style_name, $variables['file']->uri);
}
else {
$variables['path'] = file_create_url($variables['file']->uri);
}
$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;
}
}