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<?php

// $Id: lightbox2.formatter.inc,v 1.1.2.30 2010/09/22 10:47:15 snpower Exp $

/**

 * @file

 * Lightbox2 formatter hooks and callbacks.

 */

/**

 * Theme function for displaying the lightbox2 trigger image in an imagefield.

 *

 * @param $path

 *   The path to the image to be displayed.

 * @param $alt

 *   The image alternative text.

 * @param $title

 *   The image title.

 * @param $attributes

 *   An array of image attributes, e.g. class name.

 * @return

 *   HTML output for displaying the image.

 */

function theme_lightbox2_image($variables) {

  $path = $variables['path'];

  $item = $variables['item'];

  $image_style = $variables['image_style'];

  $node_id = $variables['node_id'];

  $field_name = $variables['field_name'];

  $caption = $variables['caption'];

  if (!$variables["lightbox_style"]) {

    $path['path'] = file_create_url($item['uri']);

  }

  else {

    $path['path'] = image_style_url($variables["lightbox_style"],  $item['uri']);

  }

  // Lightbox type

  $rel = $variables['lightbox_type'];

  // Grouping

  $rel .= '[';

  $group = variable_get('lightbox2_image_group_node_id', 1);

  switch ($group) {

    // No groups

    case '0':

      break;

    // Group by field name

    case '1':

      $rel .= $field_name;

      break;

    // Group by node id

    case '2':

      $rel .= $node_id;

      break;

    // Group by field name and node id

    case '3':

      $rel .= $field_name . '_' . $node_id;

      break;

    // All nodes and fields in same group

    case '4':

      $rel .= 'group';

      break;

  }

  $rel .= ']';

  // Title Start

  $rel .= '[';

  switch($caption) {

    case 'hidden':

        break;

    case 'filename':

        $rel .= $item['filename'];

        break;

    case 'title':

        $rel .= $item['title'];

        break;

    default:

        $caption_display = array(

            'label' => 'hidden',

            );

        $entity = entity_load('file', array($item['fid']));

        $entity = $entity[$item['fid']];

        $renderable_field = field_view_field('file', $entity, $caption, $caption_display);

        $rel .= drupal_render($renderable_field);

        break;

  }

  // Download Link

  if (user_access('download original image')) {

    $url_download = file_create_url($item['uri']);

    $download_original_text = t(variable_get('lightbox2_download_link_text', 'Download Original'));

    $options_download = array();

    $options_download['attributes']['title'] = $download_original_text;

    $options_download['attributes']['download'] = '';

    $rel .= '<p>' . l($download_original_text, $url_download, $options_download) . '</p>';

  }

  // Title End

  $rel .= ']';

  $path['options']['attributes']['rel'] = $rel;

  $path['options']['attributes']['title'] = $item['title'];

  return theme('image_formatter', array( 'item' => $item, 'path' => $path, 'image_style' => $image_style ) );

}

/**

 * Handler for Lightbox2 display of imagecache + imagefield CCK fields.

 *

 * The compact view shows only the first image in a multiple imagefield but

 * shows all images in the lightbox.

 *

 * @param $element

 *   The CCK field element.

 * @return

 *   HTML output for displaying the image and link.

 */

/*function theme_lightbox2_formatter_imagefield($variables) {

  $element = $variables['element'];

  if (!module_exists("image")) {

   return;

  }

  $field_name = $element['#field_name'];

  $item = $element['#item'];

  $formatter = $element['#formatter'];

  $node = node_load($element['#item']['nid']);

  if (strpos($formatter, '__lightbox2__') !== FALSE || strpos($formatter, '__lightshow2__') !== FALSE || strpos($formatter, '__lightframe2__') !== FALSE

    || strpos($formatter, '__lightbox2_compact__') !== FALSE || strpos($formatter, '__lightshow2_compact__') !== FALSE || strpos($formatter, '__lightframe2_compact__') !== FALSE) {

    list($tmp, $lightbox_type, $view_preset, $lightbox_preset) = explode('__', $formatter, 4);

    return lightbox2_imagefield_image_imagecache($field_name, $item, $formatter, $node, $view_preset, $lightbox_preset);

  }

}*/

/**

 * Function to set up the data needed for

 * theme_imagefield_image_imagecache_lightbox2().

 *

 * @param $field_name

 *   The field name the action is being performed on.

 * @param $item

 *   An array, keyed by column, of the data stored for this item in this field.

 * @param $formatter

 *   The formatter to use for the field.

 * @param $node

 *   The node object.

 * @param $view_preset

 *   The imagecache preset to be displayed on the node or in the view.

 * @param $lightbox_preset

 *   The imagecache preset to be displayed in the lightbox.

 * @return

 *   The themed imagefield + imagecache image and link.

 */

/*function lightbox2_imagefield_image_imagecache($variables) {

  $field_name = $variables['field_name'];

  $item = $variables['item'];

  $formatter = $variables['formatter'];

  $node = $variables['node'];

  $view_preset = $variables['view_preset'];

  $lightbox_preset = $variables['lightbox_preset'];

  // Load file data if missing

  if (!isset($item['filepath']) && !empty($item['fid'])) {

    $file = field_file_load($item['fid']);

    $item = array_merge($item, (array)$file);

  }

  elseif (!isset($item['filepath'])) {

    // No file in field, return.

    return '';

  }

  $args['lightbox_preset'] = $lightbox_preset;

  // Check view_preset for existence.

  $rules = array();

  if (function_exists('imagecache_presets')) {

    $presets = imagecache_presets();

    foreach ($presets as $preset_id => $preset_info) {

      $rules[$preset_id] = $preset_info['presetname'];

    }

  }

  else {

    $rules = _imagecache_get_presets();

  }

  if ($view_preset == 'link' || $view_preset == 'original' || in_array($view_preset, (array) $rules)) {

    $rel = 'lightbox';

    if (strpos($formatter, '__lightshow2__') !== FALSE) {

      $rel = 'lightshow';

    }

    elseif (strpos($formatter, '__lightshow2_compact__') !== FALSE) {

      $rel = 'lightshow';

      $args['compact'] = TRUE;

    }

    elseif (strpos($formatter, '__lightframe2__') !== FALSE) {

      $rel = 'lightframe';

    }

    // Check if this is a compact display.

    list($tmp, $lightbox_type, $tmp) = explode('__', $formatter, 3);

    if ($lightbox_type == 'lightbox2_compact') {

      $args['compact'] = TRUE;

    }

    return theme('imagefield_image_imagecache_lightbox2', array( 'view_preset' => $view_preset, 'field_name' => $field_name, 'item' => $item, 'node' => $node, 'rel' => $rel, 'args' => $args ) );

  }

}

/**

 * Generate the HTML output for imagefield + imagecache images so they can be

 * opened in a lightbox by clicking on the image on the node page or in a view.

 *

 * This actually also handles filefields + imagecache images too.

 *

 * @param $view_preset

 *   The imagecache preset to be displayed on the node or in the view.

 * @param $field_name

 *   The field name the action is being performed on.

 * @param $item

 *   An array, keyed by column, of the data stored for this item in this field.

 * @param $node

 *   The node object.

 * @param $rel

 *   The type of lightbox to open: lightbox, lightshow or lightframe.

 * @param $args

 *   Args may override internal processes: caption, rel_grouping.

 * @return

 *   The themed imagefield + imagecache image and link.

 */

/*function theme_imagefield_image_imagecache_lightbox2($variables) {

  $view_preset = $variables['view_preset'];

  $field_name = $variables['field_name'];

  $item = $variables['item'];

  $node = $variables['node'];

  $rel = $variables['rel'];

  $args = $variables['args'];

  if (!isset($args['lightbox_preset'])) {

    $args['lightbox_preset'] = 'original';

  }

  // Can't show current node page in a lightframe on the node page.

  // Switch instead to show it in a lightbox.

  $on_image_node = (arg(0) == 'node') && (arg(1) == $node->nid);

  if ($rel == 'lightframe' && $on_image_node) {

    $rel = 'lightbox';

  }

  $orig_rel = $rel;

  // Unserialize into original - if sourced by views.

  $item_data = $item['data'];

  if (is_string($item['data'])) {

    $item_data = unserialize($item['data']);

  }

  // Set up the title.

  $image_title = $item_data['description'];

  $image_title = (!empty($image_title) ? $image_title : $item_data['title']);

  $image_title = (!empty($image_title) ? $image_title : $item_data['alt']);

  if (empty($image_title) || variable_get('lightbox2_imagefield_use_node_title', FALSE)) {

    $node = node_load($node->nid);

    $image_title = $node->title;

  }

  $image_tag_title = '';

  if (!empty($item_data['title'])) {

    $image_tag_title = $item_data['title'];

  }

  // Enforce image alt.

  $image_tag_alt = '';

  if (!empty($item_data['alt'])) {

    $image_tag_alt = $item_data['alt'];

  }

  elseif (!empty($image_title)) {

    $image_tag_alt = $image_title;

  }

  // Set up the caption.

  $node_links = array();

  if (!empty($item['nid'])) {

    $attributes = array();

    $attributes['id'] = 'lightbox2-node-link-text';

    $target = variable_get('lightbox2_node_link_target', FALSE);

    if (!empty($target)) {

      $attributes['target'] = $target;

    }

    $node_link_text = t(variable_get('lightbox2_node_link_text', 'View Image Details'));

    if (!$on_image_node && !empty($node_link_text)) {

      $node_links[] = l($node_link_text, 'node/'. $item['nid'], array('attributes' => $attributes));

    }

    $download_link_text = check_plain(t(variable_get('lightbox2_download_link_text', 'Download Original')));

    if (!empty($download_link_text) && user_access('download original image')) {

      $node_links[] = l($download_link_text, file_create_url($item['filepath']), array('attributes' => array('target' => '_blank', 'id' => 'lightbox2-download-link-text')));

    }

  }

  $caption = $image_title;

  if (count($node_links)) {

    $caption .= '<br /><br />'. implode(" - ", $node_links);

  }

  if (isset($args['caption'])) {

    $caption = $args['caption']; // Override caption.

  }

  if ($orig_rel == 'lightframe') {

    $frame_width = variable_get('lightbox2_default_frame_width', 600);

    $frame_height = variable_get('lightbox2_default_frame_height', 400);

    $frame_size = 'width:'. $frame_width .'px; height:'. $frame_height .'px;';

    $rel = preg_replace('/\]$/', "|$frame_size]", $rel);

  }

  // Set up the rel attribute.

  $full_rel = '';

  $imagefield_grouping = variable_get('lightbox2_imagefield_group_node_id', 1);

  if (isset($args['rel_grouping'])) {

    $full_rel = $rel .'['. $args['rel_grouping'] .']['. $caption .']';

  }

  elseif ($imagefield_grouping == 1) {

    $full_rel = $rel .'['. $field_name .']['. $caption .']';

  }

  elseif ($imagefield_grouping == 2 && !empty($item['nid'])) {

    $full_rel = $rel .'['. $item['nid'] .']['. $caption .']';

  }

  elseif ($imagefield_grouping == 3 && !empty($item['nid'])) {

    $full_rel = $rel .'['. $field_name .'_'. $item['nid'] .']['. $caption .']';

  }

  elseif ($imagefield_grouping == 4 ) {

    $full_rel = $rel .'[allnodes]['. $caption .']';

  }

  else {

    $full_rel = $rel .'[]['. $caption .']';

  }

  $class = '';

  if ($view_preset != 'original') {

    $class = 'imagecache imagecache-' . $field_name . ' imagecache-' . $view_preset . ' imagecache-' . $field_name . '-' . $view_preset;

  }

  $link_attributes = array(

    'rel' => $full_rel,

    'class' => 'imagefield imagefield-lightbox2 imagefield-lightbox2-' . $view_preset . ' imagefield-' . $field_name . ' ' . $class,

  );

  $attributes = array();

  if (isset($args['compact']) && $item['#delta']) {

    $image = '';

  }

  elseif ($view_preset == 'original') {

    $image = theme('lightbox2_image', array( 'path' => $item['filepath'], 'alt' => $image_tag_alt, 'title' => $image_tag_title, 'attributes' => $attributes ) );

  }

  elseif ($view_preset == 'link') {

    // Not actually an image, just a text link.

    $image = t(variable_get('lightbox2_view_image_text', 'View image'));

  }

  else {

     $image = theme('imagecache', array( 'style_name' => $view_preset, 'path' => $item['filepath'], 'alt' => $image_tag_alt, 'title' => $image_tag_title, 'attributes' => $attributes ) );

  }

  if ($args['lightbox_preset'] == 'node') {

    $output = l($image, 'node/'. $node->nid .'/lightbox2', array('attributes' => $link_attributes, 'html' => TRUE));

  }

  elseif ($args['lightbox_preset'] == 'original') {

    $output = l($image, file_create_url($item['filepath']), array('attributes' => $link_attributes, 'html' => TRUE));

  }

  else {

    $output = l($image, imagecache_create_url($args['lightbox_preset'], $item['filepath']), array('attributes' => $link_attributes, 'html' => TRUE));

  }

  return $output;

}*/

/**

 * Theme function for the lightbox iframe filefield formatter.

 *

 * @param $element

 *   The CCK field element.

 * @return

 *   The themed link to the file, with lightframe support.

 */

/*function theme_lightbox2_formatter_filefield_lightframe($variables) {

  $element = $variables['element'];

  $file = $element['#item'];

  $field = content_fields($element['#field_name']);

  if (!filefield_view_access($field['field_name']) || empty($file['list'])) {

    return '';

  }

  if (empty($file['fid']) || !is_file($file['filepath'])) {

    return '';

  }

  $file = (object)$file;

  if (!lightbox2_check_filefield_extension($file, $field)) {

    return '';

  }

  drupal_add_css(drupal_get_path('module', 'filefield') .'/filefield.css');

   return '<div class="filefield-item">'. theme('lightbox2_file_formatter_lightbox2_iframe', array( 'file' => $file, 'field' => $field, 'file_formatter_settings' => NULL ) ) .'</div>';

}*/

/**

 * Theme function for the lightbox iframe filefield formatter.

 *

 * @param $file

 *   Filefield file object.

 * @param $field

 *   The CCK field the action is being performed on.

 * @param $file_formatter_settings

 *   File formatter settings; ignored.

 * @return

 *   Themed link to filefield.

 */

/*function theme_lightbox2_file_formatter_lightbox2_iframe($variables) {

  $file = $variables['file'];

  $field = $varbiables['field'];

  $file_formatter_settings = $variables['file_formatter_settings'];

  $path = $file->filepath;

  $url = file_create_url($path);

  $icon = theme('file_icon', array( 'file' => $file ) );

  $file_data = $file->data;

  if (is_string($file_data)) {

    $file_data = unserialize($file->data);

  }

  $description = $file_data['description'];

  if (empty($description)) {

    $description = $file->filename;

  }

  $attributes = array();

  $attributes['id'] = 'lightbox2-node-link-text';

  $target = variable_get('lightbox2_node_link_target', FALSE);

  if (!empty($target)) {

    $attributes['target'] = $target;

  }

  $node_link = '';

  $node_link_text = check_plain(variable_get('lightbox2_node_link_text', 'View Image Details'));

  if (!empty($node_link_text)) {

    $node_link .= '<br /><br />'. l($node_link_text, $url, array('attributes' => $attributes));

  }

  // Only files with supported extensions make it this far, so no need to check here.

  $link_attributes = array('rel' => 'lightframe[]['. $description . $node_link .']');

  return '<div class="filefield-formatter-lightbox2-iframe">'. $icon . l($description, $url, array('attributes' => $link_attributes)) .'</div>';

}*/

/**

 * Generate the HTML output to open embedded cck images in a lightbox.

 *

 * @param $element

 *   The CCK field element.

 * @return

 *   The themed link to the embedded image.

 */

/*function theme_lightbox2_formatter_emimage($variables) {

  $element = $variables['element'];

  $field = content_fields($element['#field_name'], $element['#type_name']);

  $item = $element['#item'];

  $formatter = $element['#formatter'];

  $node = node_load($element['#node']->nid);

  list($tmp, $lightbox_type) = explode('_', $formatter, 2);

  $field['lightbox_type'] = $lightbox_type;

  $formatter = "emimage";

  return module_invoke('emfield', 'emfield_field_formatter', $field, $item, $formatter, $node, 'lightbox2');

}*/

/**

 * Generate the HTML output to open embedded cck images in a lightbox.

 *

 * @param $field

 *   The CCK field the action is being performed on.

 * @param $item

 *   An array, keyed by column, of the data stored for this item in this field.

 * @param $formatter

 *   The formatter to use for the field.

 * @param $node

 *   The node object.

 * @param $args

 *   Args may override internal processes: caption, rel_grouping.

 * @return

 *   Themed embedded media field image and link.

 */

/*function theme_lightbox2_emimage($variables) {

  $field = $variables['field'];

  $item = $variables['item'];

  $formatter = $variables['formatter'];

  $node = $variables['node'];

  $args = $variables['args'];

  $lightbox_type = $field['lightbox_type'];

  if ($item['value'] && $item['provider']) {

    $rel = 'lightbox';

    if ($lightbox_type == 'lightshow2') {

      $rel = 'lightshow';

    }

    elseif ($lightbox_type == 'lightframe2') {

      $rel = 'lightframe';

    }

    if ($rel == 'lightframe' && arg(0) == 'node' && arg(1) == $node->nid) {

      $rel = 'lightbox';

    }

    $orig_rel = $rel;

    $code = $item['value'];

    $width = $field['widget']['thumbnail_width'] == '' ? variable_get('emimage_default_full_width', EMIMAGE_DEFAULT_FULL_WIDTH) : $field['widget']['thumbnail_width'];

    $height = $field['widget']['thumbnail_height'] == '' ? variable_get('emimage_default_full_height', EMIMAGE_DEFAULT_FULL_HEIGHT) : $field['widget']['thumbnail_height'];

    $link = $field['widget']['thumbnail_link'] ? $field['widget']['thumbnail_link'] : variable_get('emimage_default_thumbnail_link', EMIMAGE_DEFAULT_THUMBNAIL_LINK);

    if ($link == EMIMAGE_LINK_CONTENT) {

      $link = 'node/'. $node->nid;

    }

    elseif ($link == EMIMAGE_LINK_PROVIDER) {

      $link = module_invoke('emfield', 'include_invoke', 'emimage', $item['provider'], 'embedded_link', $code, $item['data']);

    }

    else {

      $link = NULL;

    }

    $attributes = array();

    $attributes['id'] = 'lightbox2-node-link-text';

    if ($width) {

      $attributes['width'] = $width;

    }

    if ($height) {

      $attributes['height'] = $height;

    }

    $target = variable_get('lightbox2_node_link_target', FALSE);

    if (!empty($target)) {

      $attributes['target'] = $target;

    }

    // Set up the title.

    $title = module_invoke('emfield', 'include_invoke', 'emimage', $item['provider'], 'image_title', $code, $item['data']);

    // Set up the caption.

    $node_link = '';

    $node_link_text = variable_get('lightbox2_node_link_text', 'View Image Details');

    if (!empty($node_link_text) && !empty($link)) {

      $node_link = '<br /><br />'. l($node_link_text, $link, array('attributes' => $attributes));

    }

    // @TODO original download link possible with emfield?

    $caption = $title . $node_link;

    if (isset($args['caption'])) {

      $caption = $args['caption']; // Override caption.

    }

    // Set up url and image.

    $url = module_invoke('emfield', 'include_invoke', 'emimage', $item['provider'], 'image_url', $code, $width, $height, "emimage", $field, $item, $node);

    $image = theme('image', array( 'path' => $url, 'alt' => $title, 'title' => $title, 'attributes' => $attributes, 'getsize' => FALSE ) );

    // Set up full rel attribute.

    $image_grouping = variable_get('lightbox2_emimage_group_node_id', 1);

    if ($image_grouping == 1) {

      $full_rel = $rel .'['. $field['field_name'] .']['. $caption .']';

    }

    elseif ($image_grouping == 2 && !empty($node->nid)) {

      $full_rel = $rel .'['. $node->nid .']['. $caption .']';

    }

    elseif ($image_grouping == 3 && !empty($node->nid)) {

      $full_rel = $rel .'['. $field['field_name'] .'_'. $node->nid .']['. $caption .']';

    }

    elseif (isset($args['rel_grouping'])) {

      $full_rel = $rel .'['. $args['rel_grouping'] .']['. $caption .']';

    }

    else {

      $rel = $full_rel .'[]['. $caption .']';

    }

    if ($orig_rel != 'lightframe') {

      $link_attributes = array('rel' => $full_rel);

      $full_width = $field['widget']['full_width'] == '' ? variable_get('emimage_default_full_width', EMIMAGE_DEFAULT_FULL_WIDTH) : $field['widget']['full_width'];

      $full_height = $field['widget']['full_height'] == '' ? variable_get('emimage_default_full_height', EMIMAGE_DEFAULT_FULL_HEIGHT) : $field['widget']['full_height'];

      $full_image_url = module_invoke('emfield', 'include_invoke', 'emimage', $item['provider'], 'image_url', $code, $full_width, $full_height, "emimage", $field, $item, $node);

      $output = l($image, $full_image_url, array('attributes' => $link_attributes, 'html' => TRUE));

    }

    else {

      $frame_width = variable_get('lightbox2_default_frame_width', 600);

      $frame_height = variable_get('lightbox2_default_frame_height', 400);

      $frame_size = 'width:'. $frame_width .'px; height:'. $frame_height .'px;';

      $full_rel = preg_replace('/\]\[/', "|$frame_size][", $full_rel);

      $link_attributes = array('rel' => $full_rel);

      $output = l($image, $link .'/lightbox2', array('attributes' => $link_attributes, 'html' => TRUE));

    }

  }

  return $output;

}*/

/**

 * Generate the HTML output to open embedded cck videos in a lightbox.

 *

 * @param $element

 *   The CCK field element.

 * @return

 *   HTML output for displaying the video and link.

 */

/*function theme_lightbox2_formatter_emvideo_lightvideo($variables) {

  $element = $variables['element'];

  if (!variable_get('lightbox2_enable_video', FALSE)) {

    return;

  }

  $field = content_fields($element['#field_name'], $element['#type_name']);

  $item = $element['#item'];

  $formatter = "emvideo";

  $node = node_load($element['#node']->nid);

  return module_invoke('emfield', 'emfield_field_formatter', $field, $item, $formatter, $node, 'lightbox2');

}*/

/**

 * Generate the HTML output to open embedded cck videos in a lightbox.

 *

 * @param $field

 *   The CCK field the action is being performed on.

 * @param $item

 *   An array, keyed by column, of the data stored for this item in this field.

 * @param $formatter

 *   The formatter to use for the field.

 * @param $node

 *   The node object.

 * @param $options

 *   Options array.

 * @return

 *   Themed link to the embedded media field video.

 */

/*function theme_lightbox2_emvideo($variables) {

  $field = $variables['field'];

  $item = $variables['item'];

  $formatter = $variables['formatter'];

  $node = $variables['node'];

  $thumbnail = isset($options['thumbnail']) ? $options['thumbnail'] : theme('emvideo_video_thumbnail', $field, $item, 'video_thumbnail', $node, TRUE, $options);

  // if options title set use that, otherwise use video title if set in node,

  // otherwise try node title, then widget thumbnail setting and fallback to

  // default string.

  $title = isset($options['title']) ? $options['title'] : (isset($item['data']['emthumb']['emthumb_title']) ? $item['data']['emthumb']['emthumb_title'] : (isset($node->title) ? $node->title : (isset($field['widget']['thumbnail_link_title']) ? $field['widget']['thumbnail_link_title'] : variable_get('emvideo_default_thumbnail_link_title', t('See video')))));

  $destination = 'video-cck/lightbox2/'. $node->nid .'/'. $field['widget']['video_width'] .'/'. $field['widget']['video_height'] .'/'. $field['field_name'] .'/'. $item['provider'] .'/'. $item['value'];

  $width = $field['widget']['video_width'] + 20;

  $height = $field['widget']['video_height'] + 20;

  if (isset($_SERVER['HTTP_USER_AGENT']) && (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== FALSE)) {

    $width = $field['widget']['video_width'] + 40;

    $height = $field['widget']['video_height'] + 40;

  }

  $rel_full = 'lightframe['. $field['type_name'] . '|width:'. $width .'px; height:'. $height .'px; overflow:visible;]';

  $attributes = array(

    'attributes' => array(

      'title' => $title,

      'class' => $field['type_name'],

      'rel' => $rel_full,

    ),

    'query' => NULL,

    'fragment' => NULL,

    'absolute' => FALSE,

    'html' => TRUE,

  );

  $output = l($thumbnail, $destination, $attributes);

  return $output;

}*/