/**
* Evaluate custom field mapping data source
*
* @since 2.20
*
* @param integer post->ID of attachment
* @param string category/scope to evaluate against: custom_field_mapping or single_attachment_mapping
* @param array data source specification ( name, *data_source, *keep_existing, *format, mla_column, quick_edit, bulk_edit, *meta_name, *option, no_null )
* @param array (optional) _wp_attachment_metadata, default NULL (use current postmeta database value)
*
* @return string|array data source value
*/
private static function _evaluate_data_source($post_id, $category, $data_value, $attachment_metadata = NULL)
{
global $wpdb;
static $upload_dir, $intermediate_sizes = NULL, $wp_attached_files = NULL, $wp_attachment_metadata = NULL;
static $current_id = 0, $file_info = NULL, $parent_info = NULL, $references = NULL, $alt_text = NULL;
if ('none' == $data_value['data_source']) {
return '';
}
$data_source = $data_value['data_source'];
/*
* Do this once per page load; cache attachment metadata if mapping all attachments
*/
if (NULL == $intermediate_sizes) {
$upload_dir = wp_upload_dir();
$upload_dir = $upload_dir['basedir'] . '/';
$intermediate_sizes = get_intermediate_image_sizes();
if ('custom_field_mapping' == $category) {
if (!($table = _get_meta_table('post'))) {
$wp_attached_files = array();
$wp_attachment_metadata = array();
} else {
$wp_attachment_metadata = $wpdb->get_results("SELECT post_id, meta_value FROM {$table} WHERE meta_key = '_wp_attachment_metadata'", OBJECT_K);
$wp_attached_files = $wpdb->get_results("SELECT post_id, meta_value FROM {$table} WHERE meta_key = '_wp_attached_file'", OBJECT_K);
}
}
// custom_field_mapping, i.e., mapping all attachments
}
// first call after page load
/*
* Do this once per post. Simulate SQL results for $wp_attached_files and $wp_attachment_metadata.
*/
if ($current_id != $post_id) {
$current_id = $post_id;
$parent_info = NULL;
$references = NULL;
$alt_text = NULL;
if ('single_attachment_mapping' == $category) {
$metadata = get_metadata('post', $post_id, '_wp_attached_file');
if (isset($metadata[0])) {
$wp_attached_files = array($post_id => (object) array('post_id' => $post_id, 'meta_value' => $metadata[0]));
} else {
$wp_attached_files = array();
}
if (NULL == $attachment_metadata) {
$metadata = get_metadata('post', $post_id, '_wp_attachment_metadata');
if (isset($metadata[0])) {
$attachment_metadata = $metadata[0];
}
}
if (empty($attachment_metadata)) {
$attachment_metadata = array();
}
$wp_attachment_metadata = array($post_id => (object) array('post_id' => $post_id, 'meta_value' => serialize($attachment_metadata)));
}
$file_info = MLAData_Source::_evaluate_file_information($upload_dir, $wp_attached_files, $wp_attachment_metadata, $post_id);
}
$size_info = array('file' => '', 'width' => '', 'height' => '');
$match_count = preg_match('/(.+)\\[(.+)\\]/', $data_source, $matches);
if (1 == $match_count) {
$data_source = $matches[1] . '[size]';
if (isset($file_info['sizes'][$matches[2]])) {
$size_info = $file_info['sizes'][$matches[2]];
}
}
$result = '';
switch ($data_source) {
case 'meta':
$attachment_metadata = isset($wp_attachment_metadata[$post_id]->meta_value) ? maybe_unserialize($wp_attachment_metadata[$post_id]->meta_value) : array();
$result = MLAData::mla_find_array_element($data_value['meta_name'], $attachment_metadata, $data_value['option'], $data_value['keep_existing']);
break;
case 'template':
if (in_array($data_value['option'], array('single', 'export', 'array', 'multi'))) {
$default_option = 'array';
} else {
$default_option = 'text';
}
/*
* Go through the template and expand the non-prefixed elements
* as Data Sources
*/
$item_values = array();
$placeholders = MLAData::mla_get_template_placeholders($data_value['meta_name'], $default_option);
foreach ($placeholders as $key => $placeholder) {
if (empty($placeholder['prefix'])) {
$field_value = $data_value;
$field_value['data_source'] = $placeholder['value'];
$field_value['meta_name'] = '';
$field_value['option'] = $placeholder['option'];
$field_value['format'] = $placeholder['format'];
if (isset($placeholder['args'])) {
$field_value['args'] = $placeholder['args'];
}
$field_value = MLAData_Source::_evaluate_data_source($post_id, $category, $field_value, $attachment_metadata);
$item_values[$key] = MLAData::mla_apply_field_level_format($field_value, $placeholder);
}
// Data Source
}
// foreach placeholder
/*
* Now expand the template using the above Data Source values
*/
$template = '[+template:' . $data_value['meta_name'] . '+]';
$item_values = MLAData::mla_expand_field_level_parameters($template, NULL, $item_values, $post_id, $data_value['keep_existing'], $default_option);
if ('array' == $default_option) {
$result = MLAData::mla_parse_array_template($template, $item_values);
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
} else {
$result = MLAData::mla_parse_template($template, $item_values);
}
break;
case 'parent':
$data_source = 'post_parent';
/* fallthru */
/* fallthru */
case 'ID':
case 'post_id':
case 'post_author':
case 'post_parent':
case 'menu_order':
case 'comment_count':
$result = absint(MLAData_Source::_evaluate_post_information($post_id, $category, $data_source));
break;
case 'alt_text':
if (NULL == $alt_text) {
$metadata = get_metadata('post', $post_id, '_wp_attachment_image_alt');
if (is_array($metadata)) {
if (count($metadata) == 1) {
$alt_text = maybe_unserialize($metadata[0]);
} else {
$alt_text = array();
foreach ($metadata as $single_key => $single_value) {
$alt_text[$single_key] = maybe_unserialize($single_value);
}
}
}
}
if (!empty($alt_text)) {
$result = MLAData_Source::_evaluate_array_result($alt_text, $data_value['option'], $data_value['keep_existing']);
}
break;
case 'mime_type':
$data_source = 'post_mime_type';
/* fallthru */
/* fallthru */
case 'post_date':
case 'post_date_gmt':
case 'post_content':
case 'post_title':
case 'post_excerpt':
case 'post_status':
case 'comment_status':
case 'ping_status':
case 'post_name':
case 'post_modified':
case 'post_modified_gmt':
case 'post_content_filtered':
case 'guid':
case 'post_mime_type':
$result = MLAData_Source::_evaluate_post_information($post_id, $category, $data_source);
break;
case 'absolute_path':
case 'absolute_file_name':
case 'base_file':
case 'path':
case 'file_name':
case 'name_only':
case 'extension':
case 'width':
case 'height':
case 'orientation':
case 'hwstring_small':
case 'aperture':
case 'credit':
case 'camera':
case 'caption':
case 'created_timestamp':
case 'copyright':
case 'focal_length':
case 'iso':
case 'shutter_speed':
case 'title':
if (isset($file_info[$data_source])) {
$result = $file_info[$data_source];
}
break;
case 'file_size':
$filesize = @filesize($file_info['absolute_file_name_raw']);
if (!(false === $filesize)) {
$result = $filesize;
}
break;
case 'upload_date':
$result = MLAData_Source::_evaluate_post_information($post_id, $category, 'post_date');
break;
case 'dimensions':
$result = $file_info['width'] . 'x' . $file_info['height'];
if ('x' == $result) {
$result = '';
}
break;
case 'pixels':
$result = absint((int) $file_info['width'] * (int) $file_info['height']);
if (0 == $result) {
$result = '';
} else {
$result = (string) $result;
}
break;
case 'size_keys':
$result = array();
foreach ($file_info['sizes'] as $key => $value) {
$result[] = $key;
}
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
break;
case 'size_names':
$result = array();
foreach ($file_info['sizes'] as $key => $value) {
$result[] = $value['file'];
}
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
break;
case 'size_bytes':
$result = array();
foreach ($file_info['sizes'] as $key => $value) {
$filesize = @filesize($file_info['absolute_path_raw'] . $value['file']);
if (false === $filesize) {
$result[] = '?';
} else {
switch ($data_value['format']) {
case 'commas':
if (is_numeric($filesize)) {
$filesize = number_format((double) $filesize);
}
break;
default:
// no change
}
// format
$result[] = $filesize;
}
}
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
break;
case 'size_pixels':
$result = array();
foreach ($file_info['sizes'] as $key => $value) {
$pixels = absint((int) $value['width'] * (int) $value['height']);
switch ($data_value['format']) {
case 'commas':
if (is_numeric($pixels)) {
$pixels = number_format((double) $pixels);
}
break;
default:
// no change
}
// format
$result[] = $pixels;
}
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
break;
case 'size_dimensions':
$result = array();
foreach ($file_info['sizes'] as $key => $value) {
$result[] = $value['width'] . 'x' . $value['height'];
}
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
break;
case 'size_name[size]':
$result = $size_info['file'];
break;
case 'size_bytes[size]':
$result = @filesize($file_info['absolute_path_raw'] . $size_info['file']);
if (false === $result) {
$result = '?';
}
break;
case 'size_pixels[size]':
$result = absint((int) $size_info['width'] * (int) $size_info['height']);
break;
case 'size_dimensions[size]':
$result = $size_info['width'] . 'x' . $size_info['height'];
if ('x' == $result) {
$result = '';
}
break;
case 'parent_date':
case 'parent_type':
case 'parent_title':
if (is_null($parent_info)) {
$parent_info = MLAQuery::mla_fetch_attachment_parent_data(MLAData_Source::_evaluate_post_information($post_id, $category, 'post_parent'));
}
if (isset($parent_info[$data_source])) {
$result = $parent_info[$data_source];
}
break;
case 'parent_issues':
if (is_null($references)) {
$references = MLAQuery::mla_fetch_attachment_references($post_id, MLAData_Source::_evaluate_post_information($post_id, $category, 'post_parent'));
}
if (!empty($references['parent_errors'])) {
$result = $references['parent_errors'];
/*
* Remove (ORPHAN...
*/
$orphan_certain = '(' . __('ORPHAN', 'media-library-assistant') . ')';
$orphan_possible = '(' . __('ORPHAN', 'media-library-assistant') . '?)';
if (false !== strpos($result, $orphan_certain)) {
$result = trim(substr($result, strlen($orphan_certain)));
} elseif (false !== strpos($result, $orphan_possible)) {
$result = trim(substr($result, strlen($orphan_possible)));
}
}
break;
case 'reference_issues':
if (is_null($references)) {
$references = MLAQuery::mla_fetch_attachment_references($post_id, MLAData_Source::_evaluate_post_information($post_id, $category, 'post_parent'));
}
if (!empty($references['parent_errors'])) {
$result = $references['parent_errors'];
}
break;
case 'featured_in':
case 'featured_in_title':
if (is_null($references)) {
$references = MLAQuery::mla_fetch_attachment_references($post_id, MLAData_Source::_evaluate_post_information($post_id, $category, 'post_parent'));
}
if (!empty($references['features'])) {
$result = array();
foreach ($references['features'] as $ID => $value) {
if ('featured_in' == $data_source) {
$result[] = sprintf('%1$s (%2$s %3$d)', $value->post_title, $value->post_type, $ID);
} else {
$result[] = $value->post_title;
}
}
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
} else {
$result = '';
}
break;
case 'inserted_in':
case 'inserted_in_title':
if (is_null($references)) {
$references = MLAQuery::mla_fetch_attachment_references($post_id, MLAData_Source::_evaluate_post_information($post_id, $category, 'post_parent'));
}
if (!empty($references['inserts'])) {
$result = array();
foreach ($references['inserts'] as $base_file => $inserts) {
foreach ($inserts as $value) {
if ('inserted_in' == $data_source) {
$result[] = sprintf('%1$s (%2$s %3$d)', $value->post_title, $value->post_type, $value->ID);
} else {
$result[] = $value->post_title;
}
}
}
ksort($result);
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
} else {
$result = '';
}
break;
case 'gallery_in':
case 'gallery_in_title':
if (is_null($references)) {
$references = MLAQuery::mla_fetch_attachment_references($post_id, MLAData_Source::_evaluate_post_information($post_id, $category, 'post_parent'));
}
if (!empty($references['galleries'])) {
$result = array();
foreach ($references['galleries'] as $ID => $value) {
if ('gallery_in' == $data_source) {
$result[] = sprintf('%1$s (%2$s %3$d)', $value['post_title'], $value['post_type'], $ID);
} else {
$result[] = $value['post_title'];
}
}
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
} else {
$result = '';
}
break;
case 'mla_gallery_in':
case 'mla_gallery_in_title':
if (is_null($references)) {
$references = MLAQuery::mla_fetch_attachment_references($post_id, MLAData_Source::_evaluate_post_information($post_id, $category, 'post_parent'));
}
if (!empty($references['mla_galleries'])) {
$result = array();
foreach ($references['mla_galleries'] as $ID => $value) {
if ('mla_gallery_in' == $data_source) {
$result[] = sprintf('%1$s (%2$s %3$d)', $value['post_title'], $value['post_type'], $ID);
} else {
$result[] = $value['post_title'];
}
}
$result = MLAData_Source::_evaluate_array_result($result, $data_value['option'], $data_value['keep_existing']);
} else {
$result = '';
}
break;
default:
$custom_value = apply_filters('mla_evaluate_custom_data_source', NULL, $post_id, $category, $data_value, $attachment_metadata);
if (!is_null($custom_value)) {
return $custom_value;
}
return '';
}
// switch $data_source
switch ($data_value['format']) {
case 'raw':
return $result;
case 'commas':
if (is_numeric($result)) {
$result = str_pad(number_format((double) $result), 15, ' ', STR_PAD_LEFT);
}
break;
case 'native':
default:
/*
* Make some numeric values sortable as strings, make all value non-empty
*/
if (in_array($data_source, array('file_size', 'pixels', 'width', 'height'))) {
$result = str_pad($result, 15, ' ', STR_PAD_LEFT);
} elseif (empty($result)) {
$result = ' ';
}
}
// format
return $result;
}
/**
* Handles pagnation output types 'previous_page', 'next_page', and 'paginate_links'
*
* @since 1.42
*
* @param array value(s) for mla_output_type parameter
* @param string template substitution values, e.g., ('instance' => '1', ... )
* @param string merged default and passed shortcode parameter values
* @param string raw passed shortcode parameter values
* @param integer number of attachments in the gallery, without pagination
* @param string output text so far, may include debug values
*
* @return mixed false or string with HTML for pagination output types
*/
private static function _process_pagination_output_types($output_parameters, $markup_values, $arguments, $attr, $found_rows, $output = '')
{
if (!in_array($output_parameters[0], array('previous_page', 'next_page', 'paginate_links'))) {
return false;
}
/*
* Add data selection parameters to gallery-specific and mla_gallery-specific parameters
*/
$arguments = array_merge($arguments, shortcode_atts(self::$mla_get_shortcode_attachments_parameters, $attr));
$posts_per_page = absint($arguments['posts_per_page']);
$mla_page_parameter = $arguments['mla_page_parameter'];
/*
* $mla_page_parameter, if set, doesn't make it through the shortcode_atts filter,
* so we handle it separately
*/
if (!isset($arguments[$mla_page_parameter])) {
if (isset($attr[$mla_page_parameter])) {
$arguments[$mla_page_parameter] = $attr[$mla_page_parameter];
} else {
$arguments[$mla_page_parameter] = '';
}
}
if (0 == $posts_per_page) {
$posts_per_page = absint($arguments['numberposts']);
}
if (0 == $posts_per_page) {
$posts_per_page = absint(get_option('posts_per_page'));
}
if (0 < $posts_per_page) {
$max_page = floor($found_rows / $posts_per_page);
if ($max_page < $found_rows / $posts_per_page) {
$max_page++;
}
} else {
$max_page = 1;
}
if (isset($arguments['mla_paginate_total']) && $max_page > absint($arguments['mla_paginate_total'])) {
$max_page = absint($arguments['mla_paginate_total']);
}
if (isset($arguments[$mla_page_parameter])) {
$paged = absint($arguments[$mla_page_parameter]);
} else {
$paged = absint($arguments['paged']);
}
if (0 == $paged) {
$paged = 1;
}
if ($max_page < $paged) {
$paged = $max_page;
}
switch ($output_parameters[0]) {
case 'previous_page':
if (1 < $paged) {
$new_page = $paged - 1;
} else {
$new_page = 0;
if (isset($output_parameters[1])) {
switch ($output_parameters[1]) {
case 'wrap':
$new_page = $max_page;
break;
case 'first':
$new_page = 1;
}
}
}
break;
case 'next_page':
if ($paged < $max_page) {
$new_page = $paged + 1;
} else {
$new_page = 0;
if (isset($output_parameters[1])) {
switch ($output_parameters[1]) {
case 'last':
$new_page = $max_page;
break;
case 'wrap':
$new_page = 1;
}
}
}
break;
case 'paginate_links':
$new_page = 0;
}
$markup_values['current_page'] = $paged;
$markup_values['new_page'] = $new_page;
$markup_values['last_page'] = $max_page;
$markup_values['posts_per_page'] = $posts_per_page;
$markup_values['found_rows'] = $found_rows;
if ($paged) {
$markup_values['current_offset'] = ($paged - 1) * $posts_per_page;
} else {
$markup_values['current_offset'] = 0;
}
if ($new_page) {
$markup_values['new_offset'] = ($new_page - 1) * $posts_per_page;
} else {
$markup_values['new_offset'] = 0;
}
$markup_values['current_page_text'] = 'mla_paginate_current="[+current_page+]"';
$markup_values['new_page_text'] = 'mla_paginate_current="[+new_page+]"';
$markup_values['last_page_text'] = 'mla_paginate_total="[+last_page+]"';
$markup_values['posts_per_page_text'] = 'posts_per_page="[+posts_per_page+]"';
if ('HTTPS' == substr($_SERVER["SERVER_PROTOCOL"], 0, 5)) {
$markup_values['scheme'] = 'https://';
} else {
$markup_values['scheme'] = 'http://';
}
$markup_values['http_host'] = $_SERVER['HTTP_HOST'];
if (0 < $new_page) {
$new_uri = remove_query_arg($mla_page_parameter, $_SERVER['REQUEST_URI']);
$markup_values['request_uri'] = add_query_arg(array($mla_page_parameter => $new_page), $new_uri);
} else {
$markup_values['request_uri'] = $_SERVER['REQUEST_URI'];
}
$markup_values['new_url'] = set_url_scheme($markup_values['scheme'] . $markup_values['http_host'] . $markup_values['request_uri']);
/*
* Expand pagination-specific Gallery Display Content parameters,
* which can contain request: and query: arguments.
*/
$pagination_arguments = array('mla_nolink_text', 'mla_link_class', 'mla_rollover_text', 'mla_link_attributes', 'mla_link_href', 'mla_link_text', 'mla_prev_text', 'mla_next_text');
$new_text = '';
foreach ($pagination_arguments as $value) {
$new_text .= str_replace('{+', '[+', str_replace('+}', '+]', $arguments[$value]));
}
$markup_values = MLAData::mla_expand_field_level_parameters($new_text, $attr, $markup_values);
/*
* Build the new link, applying Gallery Display Content parameters
*/
if ('paginate_links' == $output_parameters[0]) {
return self::_paginate_links($output_parameters, $markup_values, $arguments, $found_rows, $output);
}
if (0 == $new_page) {
if (!empty($arguments['mla_nolink_text'])) {
return self::_process_shortcode_parameter($arguments['mla_nolink_text'], $markup_values);
} else {
return '';
}
}
$new_link = '<a ';
if (!empty($arguments['mla_target'])) {
$new_link .= 'target="' . $arguments['mla_target'] . '" ';
}
if (!empty($arguments['mla_link_class'])) {
$new_link .= 'class="' . esc_attr(self::_process_shortcode_parameter($arguments['mla_link_class'], $markup_values)) . '" ';
}
if (!empty($arguments['mla_rollover_text'])) {
$new_link .= 'title="' . esc_attr(self::_process_shortcode_parameter($arguments['mla_rollover_text'], $markup_values)) . '" ';
}
if (!empty($arguments['mla_link_attributes'])) {
$new_link .= esc_attr(self::_process_shortcode_parameter($arguments['mla_link_attributes'], $markup_values)) . ' ';
}
if (!empty($arguments['mla_link_href'])) {
//$new_link .= 'href="' . esc_attr( self::_process_shortcode_parameter( $arguments['mla_link_href'], $markup_values ) ) . '" >';
$new_link .= 'href="' . self::_process_shortcode_parameter($arguments['mla_link_href'], $markup_values) . '" >';
} else {
$new_link .= 'href="' . $markup_values['new_url'] . '" >';
}
if (!empty($arguments['mla_link_text'])) {
$new_link .= self::_process_shortcode_parameter($arguments['mla_link_text'], $markup_values) . '</a>';
} else {
if ('previous_page' == $output_parameters[0]) {
if (isset($arguments['mla_prev_text'])) {
$new_text = esc_attr(self::_process_shortcode_parameter($arguments['mla_prev_text'], $markup_values));
} else {
$new_text = '« ' . __('Previous', 'media-library-assistant');
}
} else {
if (isset($arguments['mla_next_text'])) {
$new_text = esc_attr(self::_process_shortcode_parameter($arguments['mla_next_text'], $markup_values));
} else {
$new_text = __('Next', 'media-library-assistant') . ' »';
}
}
$new_link .= $new_text . '</a>';
}
return $new_link;
}
/**
* The MLA Gallery shortcode.
*
* This is a superset of the WordPress Gallery shortcode for displaying images on a post,
* page or custom post type. It is adapted from /wp-includes/media.php gallery_shortcode.
* Enhancements include many additional selection parameters and full taxonomy support.
*
* @since .50
*
* @param array $attr Attributes of the shortcode.
*
* @return string HTML content to display gallery.
*/
public static function mla_gallery_shortcode($attr)
{
global $post;
/*
* Some do_shortcode callers may not have a specific post in mind
*/
if (!is_object($post)) {
$post = (object) array('ID' => 0);
}
/*
* Make sure $attr is an array, even if it's empty
*/
if (empty($attr)) {
$attr = array();
} elseif (is_string($attr)) {
$attr = shortcode_parse_atts($attr);
}
/*
* The mla_paginate_current parameter can be changed to support multiple galleries per page.
*/
if (!isset($attr['mla_page_parameter'])) {
$attr['mla_page_parameter'] = 'mla_paginate_current';
}
$mla_page_parameter = $attr['mla_page_parameter'];
/*
* Special handling of the mla_paginate_current parameter to make
* "MLA pagination" easier. Look for this parameter in $_REQUEST
* if it's not present in the shortcode itself.
*/
if (!isset($attr[$mla_page_parameter])) {
if (isset($_REQUEST[$mla_page_parameter])) {
$attr[$mla_page_parameter] = $_REQUEST[$mla_page_parameter];
}
}
// else
// $attr[ $mla_page_parameter ] = '';
/*
* These are the parameters for gallery display
*/
$mla_arguments = array('mla_output' => 'gallery', 'mla_style' => MLAOptions::mla_get_option('default_style'), 'mla_markup' => MLAOptions::mla_get_option('default_markup'), 'mla_float' => is_rtl() ? 'right' : 'left', 'mla_itemwidth' => MLAOptions::mla_get_option('mla_gallery_itemwidth'), 'mla_margin' => MLAOptions::mla_get_option('mla_gallery_margin'), 'mla_link_attributes' => '', 'mla_link_class' => '', 'mla_link_href' => '', 'mla_link_text' => '', 'mla_nolink_text' => '', 'mla_rollover_text' => '', 'mla_image_class' => '', 'mla_image_alt' => '', 'mla_image_attributes' => '', 'mla_caption' => '', 'mla_target' => '', 'mla_debug' => false, 'mla_viewer' => false, 'mla_viewer_extensions' => 'doc,xls,ppt,pdf,txt', 'mla_viewer_page' => '1', 'mla_viewer_width' => '150', 'mla_alt_shortcode' => NULL, 'mla_alt_ids_name' => 'ids', 'mla_end_size' => 1, 'mla_mid_size' => 2, 'mla_prev_text' => '« Previous', 'mla_next_text' => 'Next »', 'mla_paginate_type' => 'plain');
$default_arguments = array_merge(array('size' => 'thumbnail', 'itemtag' => 'dl', 'icontag' => 'dt', 'captiontag' => 'dd', 'columns' => MLAOptions::mla_get_option('mla_gallery_columns'), 'link' => 'permalink', 'id' => NULL, 'style' => NULL, 'type' => 'default', 'thumb_width' => 75, 'thumb_height' => 75, 'thumbnail_size' => 'thumbnail', 'slide_size' => 'large', 'slideshow_height' => 500, 'fx' => 'fade', 'timeout' => 4000, 'speed' => 1000, 'pause' => NULL), $mla_arguments);
/*
* Look for 'request' substitution parameters,
* which can be added to any input parameter
*/
foreach ($attr as $attr_key => $attr_value) {
/*
* attachment-specific Gallery Display Content parameters must be evaluated
* later, when all of the information is available.
*/
if (in_array($attr_key, array('mla_link_attributes', 'mla_link_class', 'mla_link_href', 'mla_link_text', 'mla_nolink_text', 'mla_rollover_text', 'mla_image_class', 'mla_image_alt', 'mla_image_attributes', 'mla_caption'))) {
continue;
}
$attr_value = str_replace('{+', '[+', str_replace('+}', '+]', $attr_value));
$replacement_values = MLAData::mla_expand_field_level_parameters($attr_value);
if (!empty($replacement_values)) {
$attr[$attr_key] = MLAData::mla_parse_template($attr_value, $replacement_values);
}
}
/*
* Merge gallery arguments with defaults, pass the query arguments on to mla_get_shortcode_attachments.
*/
$attr = apply_filters('mla_gallery_attributes', $attr);
$arguments = shortcode_atts($default_arguments, $attr);
$arguments = apply_filters('mla_gallery_arguments', $arguments);
self::$mla_debug = !empty($arguments['mla_debug']) && 'true' == strtolower($arguments['mla_debug']);
/*
* Determine output type
*/
$output_parameters = array_map('strtolower', array_map('trim', explode(',', $arguments['mla_output'])));
$is_gallery = 'gallery' == $output_parameters[0];
$is_pagination = in_array($output_parameters[0], array('previous_page', 'next_page', 'paginate_links'));
$attachments = self::mla_get_shortcode_attachments($post->ID, $attr, $is_pagination);
if (is_string($attachments)) {
return $attachments;
}
if (empty($attachments)) {
if (self::$mla_debug) {
$output = '<p><strong>mla_debug empty gallery</strong>, query = ' . var_export($attr, true) . '</p>';
$output .= self::$mla_debug_messages;
self::$mla_debug_messages = '';
} else {
$output = '';
}
$output .= $arguments['mla_nolink_text'];
return $output;
}
// empty $attachments
/*
* Look for user-specified alternate gallery shortcode
*/
if (is_string($arguments['mla_alt_shortcode'])) {
/*
* Replace data-selection parameters with the "ids" list
*/
$blacklist = array_merge($mla_arguments, self::$data_selection_parameters);
$new_args = '';
foreach ($attr as $key => $value) {
if (array_key_exists($key, $blacklist)) {
continue;
}
$slashed = addcslashes($value, chr(0) . chr(7) . chr(8) . "\f\n\r\t\v\"\\\$");
if (false !== strpos($value, ' ') || false !== strpos($value, '\'') || $slashed != $value) {
$value = '"' . $slashed . '"';
}
$new_args .= empty($new_args) ? $key . '=' . $value : ' ' . $key . '=' . $value;
}
// foreach $attr
$new_ids = '';
foreach ($attachments as $value) {
$new_ids .= empty($new_ids) ? (string) $value->ID : ',' . $value->ID;
}
// foreach $attachments
$new_ids = $arguments['mla_alt_ids_name'] . '="' . $new_ids . '"';
if (self::$mla_debug) {
$output = self::$mla_debug_messages;
self::$mla_debug_messages = '';
} else {
$output = '';
}
/*
* Execute the alternate gallery shortcode with the new parameters
*/
return $output . do_shortcode(sprintf('[%1$s %2$s %3$s]', $arguments['mla_alt_shortcode'], $new_ids, $new_args));
}
// mla_alt_shortcode
/*
* Look for Photonic-enhanced gallery
*/
global $photonic;
if (is_object($photonic) && !empty($arguments['style'])) {
if ('default' != strtolower($arguments['type'])) {
return '<p><strong>Photonic-enhanced [mla_gallery]</strong> type must be <strong>default</strong>, query = ' . var_export($attr, true) . '</p>';
}
$images = array();
foreach ($attachments as $key => $val) {
$images[$val->ID] = $attachments[$key];
}
if (isset($arguments['pause']) && 'false' == $arguments['pause']) {
$arguments['pause'] = NULL;
}
$output = $photonic->build_gallery($images, $arguments['style'], $arguments);
return $output;
}
$size = $size_class = $arguments['size'];
if ('icon' == strtolower($size)) {
if ('checked' == MLAOptions::mla_get_option(MLAOptions::MLA_ENABLE_MLA_ICONS)) {
$size = array(64, 64);
} else {
$size = array(60, 60);
}
$show_icon = true;
} else {
$show_icon = false;
}
/*
* Feeds such as RSS, Atom or RDF do not require styled and formatted output
*/
if (is_feed()) {
$output = "\n";
foreach ($attachments as $att_id => $attachment) {
$output .= wp_get_attachment_link($att_id, $size, true) . "\n";
}
return $output;
}
/*
* Check for Google File Viewer arguments
*/
$arguments['mla_viewer'] = !empty($arguments['mla_viewer']) && 'true' == strtolower($arguments['mla_viewer']);
if ($arguments['mla_viewer']) {
$arguments['mla_viewer_extensions'] = array_filter(array_map('trim', explode(',', $arguments['mla_viewer_extensions'])));
$arguments['mla_viewer_page'] = absint($arguments['mla_viewer_page']);
$arguments['mla_viewer_width'] = absint($arguments['mla_viewer_width']);
}
// $instance supports multiple galleries in one page/post
static $instance = 0;
$instance++;
/*
* The default MLA style template includes "margin: 1.5%" to put a bit of
* minimum space between the columns. "mla_margin" can be used to change
* this. "mla_itemwidth" can be used with "columns=0" to achieve a "responsive"
* layout.
*/
$columns = absint($arguments['columns']);
$margin_string = strtolower(trim($arguments['mla_margin']));
if (is_numeric($margin_string) && 0 != $margin_string) {
$margin_string .= '%';
}
// Legacy values are always in percent
if ('%' == substr($margin_string, -1)) {
$margin_percent = (double) substr($margin_string, 0, strlen($margin_string) - 1);
} else {
$margin_percent = 0;
}
$width_string = strtolower(trim($arguments['mla_itemwidth']));
if ('none' != $width_string) {
switch ($width_string) {
case 'exact':
$margin_percent = 0;
/* fallthru */
/* fallthru */
case 'calculate':
$width_string = $columns > 0 ? floor(1000 / $columns) / 10 - 2.0 * $margin_percent : 100 - 2.0 * $margin_percent;
/* fallthru */
/* fallthru */
default:
if (is_numeric($width_string) && 0 != $width_string) {
$width_string .= '%';
}
// Legacy values are always in percent
}
}
// $use_width
$float = strtolower($arguments['mla_float']);
if (!in_array($float, array('left', 'none', 'right'))) {
$float = is_rtl() ? 'right' : 'left';
}
$style_values = array('mla_style' => $arguments['mla_style'], 'mla_markup' => $arguments['mla_markup'], 'instance' => $instance, 'id' => $post->ID, 'itemtag' => tag_escape($arguments['itemtag']), 'icontag' => tag_escape($arguments['icontag']), 'captiontag' => tag_escape($arguments['captiontag']), 'columns' => $columns, 'itemwidth' => $width_string, 'margin' => $margin_string, 'float' => $float, 'selector' => "mla_gallery-{$instance}", 'size_class' => sanitize_html_class($size_class));
$style_template = $gallery_style = '';
$use_mla_gallery_style = 'none' != strtolower($style_values['mla_style']);
if (apply_filters('use_mla_gallery_style', $use_mla_gallery_style, $style_values['mla_style'])) {
$style_template = MLAOptions::mla_fetch_gallery_template($style_values['mla_style'], 'style');
if (empty($style_template)) {
$style_values['mla_style'] = 'default';
$style_template = MLAOptions::mla_fetch_gallery_template('default', 'style');
}
if (!empty($style_template)) {
/*
* Look for 'query' and 'request' substitution parameters
*/
$style_values = MLAData::mla_expand_field_level_parameters($style_template, $attr, $style_values);
/*
* Clean up the template to resolve width or margin == 'none'
*/
if ('none' == $margin_string) {
$style_values['margin'] = '0';
$style_template = preg_replace('/margin:[\\s]*\\[\\+margin\\+\\][\\%]*[\\;]*/', '', $style_template);
}
if ('none' == $width_string) {
$style_values['itemwidth'] = 'auto';
$style_template = preg_replace('/width:[\\s]*\\[\\+itemwidth\\+\\][\\%]*[\\;]*/', '', $style_template);
}
$style_values = apply_filters('mla_gallery_style_values', $style_values);
$style_template = apply_filters('mla_gallery_style_template', $style_template);
$gallery_style = MLAData::mla_parse_template($style_template, $style_values);
$gallery_style = apply_filters('mla_gallery_style_parse', $gallery_style, $style_template, $style_values);
/*
* Clean up the styles to resolve extra "%" suffixes on width or margin (pre v1.42 values)
*/
$preg_pattern = array('/([margin|width]:[^\\%]*)\\%\\%/', '/([margin|width]:.*)auto\\%/', '/([margin|width]:.*)inherit\\%/');
$preg_replacement = array('${1}%', '${1}auto', '${1}inherit');
$gallery_style = preg_replace($preg_pattern, $preg_replacement, $gallery_style);
}
// !empty template
}
// use_mla_gallery_style
$upload_dir = wp_upload_dir();
$markup_values = $style_values;
$markup_values['site_url'] = site_url();
$markup_values['base_url'] = $upload_dir['baseurl'];
$markup_values['base_dir'] = $upload_dir['basedir'];
$open_template = MLAOptions::mla_fetch_gallery_template($markup_values['mla_markup'] . '-open', 'markup');
if (false === $open_template) {
$markup_values['mla_markup'] = 'default';
$open_template = MLAOptions::mla_fetch_gallery_template('default-open', 'markup');
}
if (empty($open_template)) {
$open_template = '';
}
$row_open_template = MLAOptions::mla_fetch_gallery_template($markup_values['mla_markup'] . '-row-open', 'markup');
if (empty($row_open_template)) {
$row_open_template = '';
}
$item_template = MLAOptions::mla_fetch_gallery_template($markup_values['mla_markup'] . '-item', 'markup');
if (empty($item_template)) {
$item_template = '';
}
$row_close_template = MLAOptions::mla_fetch_gallery_template($markup_values['mla_markup'] . '-row-close', 'markup');
if (empty($row_close_template)) {
$row_close_template = '';
}
$close_template = MLAOptions::mla_fetch_gallery_template($markup_values['mla_markup'] . '-close', 'markup');
if (empty($close_template)) {
$close_template = '';
}
/*
* Look for gallery-level markup substitution parameters
*/
$new_text = $open_template . $row_open_template . $row_close_template . $close_template;
$markup_values = MLAData::mla_expand_field_level_parameters($new_text, $attr, $markup_values);
if (self::$mla_debug) {
$output = self::$mla_debug_messages;
self::$mla_debug_messages = '';
} else {
$output = '';
}
if ($is_gallery) {
$markup_values = apply_filters('mla_gallery_open_values', $markup_values);
$open_template = apply_filters('mla_gallery_open_template', $open_template);
if (empty($open_template)) {
$gallery_div = '';
} else {
$gallery_div = MLAData::mla_parse_template($open_template, $markup_values);
}
$gallery_div = apply_filters('mla_gallery_open_parse', $gallery_div, $open_template, $markup_values);
$output .= apply_filters('mla_gallery_style', $gallery_style . $gallery_div, $style_values, $markup_values, $style_template, $open_template);
} else {
if (!isset($attachments['found_rows'])) {
$attachments['found_rows'] = 0;
}
/*
* Handle 'previous_page', 'next_page', and 'paginate_links'
*/
$pagination_result = self::_process_pagination_output_types($output_parameters, $markup_values, $arguments, $attr, $attachments['found_rows'], $output);
if (false !== $pagination_result) {
return $pagination_result;
}
unset($attachments['found_rows']);
}
/*
* For "previous_link" and "next_link", discard all of the $attachments except the appropriate choice
*/
if (!$is_gallery) {
$is_previous = 'previous_link' == $output_parameters[0];
$is_next = 'next_link' == $output_parameters[0];
if (!($is_previous || $is_next)) {
return '';
}
// unknown outtput type
$is_wrap = isset($output_parameters[1]) && 'wrap' == $output_parameters[1];
$current_id = empty($arguments['id']) ? $markup_values['id'] : $arguments['id'];
foreach ($attachments as $id => $attachment) {
if ($attachment->ID == $current_id) {
break;
}
}
$target_id = $is_previous ? $id - 1 : $id + 1;
if (isset($attachments[$target_id])) {
$attachments = array($attachments[$target_id]);
} elseif ($is_wrap) {
if ($is_next) {
$attachments = array(array_shift($attachments));
} else {
$attachments = array(array_pop($attachments));
}
} elseif (!empty($arguments['mla_nolink_text'])) {
return self::_process_shortcode_parameter($arguments['mla_nolink_text'], $markup_values) . '</a>';
} else {
return '';
}
}
// ! is_gallery
$column_index = 0;
foreach ($attachments as $id => $attachment) {
$item_values = $markup_values;
/*
* fill in item-specific elements
*/
$item_values['index'] = (string) 1 + $column_index;
$item_values['excerpt'] = wptexturize($attachment->post_excerpt);
$item_values['attachment_ID'] = $attachment->ID;
$item_values['mime_type'] = $attachment->post_mime_type;
$item_values['menu_order'] = $attachment->menu_order;
$item_values['date'] = $attachment->post_date;
$item_values['modified'] = $attachment->post_modified;
$item_values['parent'] = $attachment->post_parent;
$item_values['parent_title'] = '(unattached)';
$item_values['parent_type'] = '';
$item_values['parent_date'] = '';
$item_values['title'] = wptexturize($attachment->post_title);
$item_values['slug'] = wptexturize($attachment->post_name);
$item_values['width'] = '';
$item_values['height'] = '';
$item_values['image_meta'] = '';
$item_values['image_alt'] = '';
$item_values['base_file'] = '';
$item_values['path'] = '';
$item_values['file'] = '';
$item_values['description'] = wptexturize($attachment->post_content);
$item_values['file_url'] = wptexturize($attachment->guid);
$item_values['author_id'] = $attachment->post_author;
$user = get_user_by('id', $attachment->post_author);
if (isset($user->data->display_name)) {
$item_values['author'] = wptexturize($user->data->display_name);
} else {
$item_values['author'] = 'unknown';
}
$post_meta = MLAData::mla_fetch_attachment_metadata($attachment->ID);
$base_file = $post_meta['mla_wp_attached_file'];
$sizes = isset($post_meta['mla_wp_attachment_metadata']['sizes']) ? $post_meta['mla_wp_attachment_metadata']['sizes'] : array();
if (!empty($post_meta['mla_wp_attachment_metadata']['width'])) {
$item_values['width'] = $post_meta['mla_wp_attachment_metadata']['width'];
}
if (!empty($post_meta['mla_wp_attachment_metadata']['height'])) {
$item_values['height'] = $post_meta['mla_wp_attachment_metadata']['height'];
}
if (!empty($post_meta['mla_wp_attachment_metadata']['image_meta'])) {
$item_values['image_meta'] = wptexturize(var_export($post_meta['mla_wp_attachment_metadata']['image_meta'], true));
}
if (!empty($post_meta['mla_wp_attachment_image_alt'])) {
$item_values['image_alt'] = wptexturize($post_meta['mla_wp_attachment_image_alt']);
}
if (!empty($base_file)) {
$last_slash = strrpos($base_file, '/');
if (false === $last_slash) {
$file_name = $base_file;
$item_values['base_file'] = wptexturize($base_file);
$item_values['file'] = wptexturize($base_file);
} else {
$file_name = substr($base_file, $last_slash + 1);
$item_values['base_file'] = wptexturize($base_file);
$item_values['path'] = wptexturize(substr($base_file, 0, $last_slash + 1));
$item_values['file'] = wptexturize($file_name);
}
} else {
$file_name = '';
}
$parent_info = MLAData::mla_fetch_attachment_parent_data($attachment->post_parent);
if (isset($parent_info['parent_title'])) {
$item_values['parent_title'] = wptexturize($parent_info['parent_title']);
}
if (isset($parent_info['parent_date'])) {
$item_values['parent_date'] = wptexturize($parent_info['parent_date']);
}
if (isset($parent_info['parent_type'])) {
$item_values['parent_type'] = wptexturize($parent_info['parent_type']);
}
/*
* Add attachment-specific field-level substitution parameters
*/
$new_text = $item_template . str_replace('{+', '[+', str_replace('+}', '+]', $arguments['mla_link_attributes'] . $arguments['mla_link_class'] . $arguments['mla_link_href'] . $arguments['mla_link_text'] . $arguments['mla_nolink_text'] . $arguments['mla_rollover_text'] . $arguments['mla_image_class'] . $arguments['mla_image_alt'] . $arguments['mla_image_attributes'] . $arguments['mla_caption']));
$item_values = MLAData::mla_expand_field_level_parameters($new_text, $attr, $item_values, $attachment->ID);
if ($item_values['captiontag']) {
$item_values['caption'] = wptexturize($attachment->post_excerpt);
if (!empty($arguments['mla_caption'])) {
$item_values['caption'] = wptexturize(self::_process_shortcode_parameter($arguments['mla_caption'], $item_values));
}
} else {
$item_values['caption'] = '';
}
if (!empty($arguments['mla_link_text'])) {
$link_text = self::_process_shortcode_parameter($arguments['mla_link_text'], $item_values);
} else {
$link_text = false;
}
$item_values['pagelink'] = wp_get_attachment_link($attachment->ID, $size, true, $show_icon, $link_text);
$item_values['filelink'] = wp_get_attachment_link($attachment->ID, $size, false, $show_icon, $link_text);
/*
* Apply the Gallery Display Content parameters.
* Note that $link_attributes and $rollover_text
* are used in the Google Viewer code below
*/
if (!empty($arguments['mla_target'])) {
$link_attributes = 'target="' . $arguments['mla_target'] . '" ';
} else {
$link_attributes = '';
}
if (!empty($arguments['mla_link_attributes'])) {
$link_attributes .= self::_process_shortcode_parameter($arguments['mla_link_attributes'], $item_values) . ' ';
}
if (!empty($arguments['mla_link_class'])) {
$link_attributes .= 'class="' . self::_process_shortcode_parameter($arguments['mla_link_class'], $item_values) . '" ';
}
if (!empty($link_attributes)) {
$item_values['pagelink'] = str_replace('<a href=', '<a ' . $link_attributes . 'href=', $item_values['pagelink']);
$item_values['filelink'] = str_replace('<a href=', '<a ' . $link_attributes . 'href=', $item_values['filelink']);
}
if (!empty($arguments['mla_rollover_text'])) {
$rollover_text = esc_attr(self::_process_shortcode_parameter($arguments['mla_rollover_text'], $item_values));
/*
* Replace single- and double-quote delimited values
*/
$item_values['pagelink'] = preg_replace('# title=\'([^\']*)\'#', " title='{$rollover_text}'", $item_values['pagelink']);
$item_values['pagelink'] = preg_replace('# title=\\"([^\\"]*)\\"#', " title=\"{$rollover_text}\"", $item_values['pagelink']);
$item_values['filelink'] = preg_replace('# title=\'([^\']*)\'#', " title='{$rollover_text}'", $item_values['filelink']);
$item_values['filelink'] = preg_replace('# title=\\"([^\\"]*)\\"#', " title=\"{$rollover_text}\"", $item_values['filelink']);
} else {
$rollover_text = $item_values['title'];
}
/*
* Process the <img> tag, if present
* Note that $image_attributes, $image_class and $image_alt
* are used in the Google Viewer code below
*/
if (!empty($arguments['mla_image_attributes'])) {
$image_attributes = self::_process_shortcode_parameter($arguments['mla_image_attributes'], $item_values) . ' ';
} else {
$image_attributes = '';
}
if (!empty($arguments['mla_image_class'])) {
$image_class = esc_attr(self::_process_shortcode_parameter($arguments['mla_image_class'], $item_values));
} else {
$image_class = '';
}
if (!empty($arguments['mla_image_alt'])) {
$image_alt = esc_attr(self::_process_shortcode_parameter($arguments['mla_image_alt'], $item_values));
} else {
$image_alt = '';
}
if (false !== strpos($item_values['pagelink'], '<img ')) {
if (!empty($image_attributes)) {
$item_values['pagelink'] = str_replace('<img ', '<img ' . $image_attributes, $item_values['pagelink']);
$item_values['filelink'] = str_replace('<img ', '<img ' . $image_attributes, $item_values['filelink']);
}
/*
* Extract existing class values and add to them
*/
if (!empty($image_class)) {
$match_count = preg_match_all('# class=\\"([^\\"]+)\\" #', $item_values['pagelink'], $matches, PREG_OFFSET_CAPTURE);
if (!($match_count == false || $match_count == 0)) {
$class = $matches[1][0][0] . ' ' . $image_class;
} else {
$class = $image_class;
}
$item_values['pagelink'] = preg_replace('# class=\\"([^\\"]*)\\"#', " class=\"{$class}\"", $item_values['pagelink']);
$item_values['filelink'] = preg_replace('# class=\\"([^\\"]*)\\"#', " class=\"{$class}\"", $item_values['filelink']);
}
if (!empty($image_alt)) {
$item_values['pagelink'] = preg_replace('# alt=\\"([^\\"]*)\\"#', " alt=\"{$image_alt}\"", $item_values['pagelink']);
$item_values['filelink'] = preg_replace('# alt=\\"([^\\"]*)\\"#', " alt=\"{$image_alt}\"", $item_values['filelink']);
}
}
// process <img> tag
switch ($arguments['link']) {
case 'permalink':
case 'post':
$item_values['link'] = $item_values['pagelink'];
break;
case 'file':
case 'full':
$item_values['link'] = $item_values['filelink'];
break;
default:
$item_values['link'] = $item_values['filelink'];
/*
* Check for link to specific (registered) file size
*/
if (array_key_exists($arguments['link'], $sizes)) {
$target_file = $sizes[$arguments['link']]['file'];
$item_values['link'] = str_replace($file_name, $target_file, $item_values['filelink']);
}
}
// switch 'link'
/*
* Extract target and thumbnail fields
*/
$match_count = preg_match_all('#href=\'([^\']+)\'#', $item_values['pagelink'], $matches, PREG_OFFSET_CAPTURE);
if (!($match_count == false || $match_count == 0)) {
$item_values['pagelink_url'] = $matches[1][0][0];
} else {
$item_values['pagelink_url'] = '';
}
$match_count = preg_match_all('#href=\'([^\']+)\'#', $item_values['filelink'], $matches, PREG_OFFSET_CAPTURE);
if (!($match_count == false || $match_count == 0)) {
$item_values['filelink_url'] = $matches[1][0][0];
} else {
$item_values['filelink_url'] = '';
}
$match_count = preg_match_all('#href=\'([^\']+)\'#', $item_values['link'], $matches, PREG_OFFSET_CAPTURE);
if (!($match_count == false || $match_count == 0)) {
$item_values['link_url'] = $matches[1][0][0];
} else {
$item_values['link_url'] = '';
}
/*
* Override the link value; leave filelink and pagelink unchanged
* Note that $link_href is used in the Google Viewer code below
*/
if (!empty($arguments['mla_link_href'])) {
$link_href = self::_process_shortcode_parameter($arguments['mla_link_href'], $item_values);
/*
* Replace single- and double-quote delimited values
*/
$item_values['link'] = preg_replace('# href=\'([^\']*)\'#', " href='{$link_href}'", $item_values['link']);
$item_values['link'] = preg_replace('# href=\\"([^\\"]*)\\"#', " href=\"{$link_href}\"", $item_values['link']);
} else {
$link_href = '';
}
$match_count = preg_match_all('#\\<a [^\\>]+\\>(.*)\\</a\\>#', $item_values['link'], $matches, PREG_OFFSET_CAPTURE);
if (!($match_count == false || $match_count == 0)) {
$item_values['thumbnail_content'] = $matches[1][0][0];
} else {
$item_values['thumbnail_content'] = '';
}
$match_count = preg_match_all('# width=\\"([^\\"]+)\\" height=\\"([^\\"]+)\\" src=\\"([^\\"]+)\\" #', $item_values['link'], $matches, PREG_OFFSET_CAPTURE);
if (!($match_count == false || $match_count == 0)) {
$item_values['thumbnail_width'] = $matches[1][0][0];
$item_values['thumbnail_height'] = $matches[2][0][0];
$item_values['thumbnail_url'] = $matches[3][0][0];
} else {
$item_values['thumbnail_width'] = '';
$item_values['thumbnail_height'] = '';
$item_values['thumbnail_url'] = '';
}
/*
* Check for Google file viewer substitution, uses above-defined
* $link_attributes (includes target), $rollover_text, $link_href (link only),
* $image_attributes, $image_class, $image_alt
*/
if ($arguments['mla_viewer'] && empty($item_values['thumbnail_url'])) {
$last_dot = strrpos($item_values['file'], '.');
if (!(false === $last_dot)) {
$extension = substr($item_values['file'], $last_dot + 1);
if (in_array($extension, $arguments['mla_viewer_extensions'])) {
/*
* <img> tag (thumbnail_text)
*/
if (!empty($image_class)) {
$image_class = ' class="' . $image_class . '"';
}
if (!empty($image_alt)) {
$image_alt = ' alt="' . $image_alt . '"';
} elseif (!empty($item_values['caption'])) {
$image_alt = ' alt="' . $item_values['caption'] . '"';
}
$item_values['thumbnail_content'] = sprintf('<img %1$ssrc="http://docs.google.com/viewer?url=%2$s&a=bi&pagenumber=%3$d&w=%4$d"%5$s%6$s>', $image_attributes, $item_values['filelink_url'], $arguments['mla_viewer_page'], $arguments['mla_viewer_width'], $image_class, $image_alt);
/*
* Filelink, pagelink and link
*/
$item_values['pagelink'] = sprintf('<a %1$shref="%2$s" title="%3$s">%4$s</a>', $link_attributes, $item_values['pagelink_url'], $rollover_text, $item_values['thumbnail_content']);
$item_values['filelink'] = sprintf('<a %1$shref="%2$s" title="%3$s">%4$s</a>', $link_attributes, $item_values['filelink_url'], $rollover_text, $item_values['thumbnail_content']);
if (!empty($link_href)) {
$item_values['link'] = sprintf('<a %1$shref="%2$s" title="%3$s">%4$s</a>', $link_attributes, $link_href, $rollover_text, $item_values['thumbnail_content']);
} elseif ('permalink' == $arguments['link']) {
$item_values['link'] = $item_values['pagelink'];
} else {
$item_values['link'] = $item_values['filelink'];
}
}
// viewer extension
}
// has extension
}
// mla_viewer
if ($is_gallery) {
/*
* Start of row markup
*/
if ($markup_values['columns'] > 0 && $column_index % $markup_values['columns'] == 0) {
$markup_values = apply_filters('mla_gallery_row_open_values', $markup_values);
$row_open_template = apply_filters('mla_gallery_row_open_template', $row_open_template);
$parse_value = MLAData::mla_parse_template($row_open_template, $markup_values);
$output .= apply_filters('mla_gallery_row_open_parse', $parse_value, $row_open_template, $markup_values);
}
/*
* item markup
*/
$column_index++;
if ($item_values['columns'] > 0 && $column_index % $item_values['columns'] == 0) {
$item_values['last_in_row'] = 'last_in_row';
} else {
$item_values['last_in_row'] = '';
}
$item_values = apply_filters('mla_gallery_item_values', $item_values);
$item_template = apply_filters('mla_gallery_item_template', $item_template);
$parse_value = MLAData::mla_parse_template($item_template, $item_values);
$output .= apply_filters('mla_gallery_item_parse', $parse_value, $item_template, $item_values);
/*
* End of row markup
*/
if ($markup_values['columns'] > 0 && $column_index % $markup_values['columns'] == 0) {
$markup_values = apply_filters('mla_gallery_row_close_values', $markup_values);
$row_close_template = apply_filters('mla_gallery_row_close_template', $row_close_template);
$parse_value = MLAData::mla_parse_template($row_close_template, $markup_values);
$output .= apply_filters('mla_gallery_row_close_parse', $parse_value, $row_close_template, $markup_values);
}
} elseif ($is_previous || $is_next) {
return $item_values['link'];
}
}
// foreach attachment
if ($is_gallery) {
/*
* Close out partial row
*/
if (!($markup_values['columns'] > 0 && $column_index % $markup_values['columns'] == 0)) {
$markup_values = apply_filters('mla_gallery_row_close_values', $markup_values);
$row_close_template = apply_filters('mla_gallery_row_close_template', $row_close_template);
$parse_value = MLAData::mla_parse_template($row_close_template, $markup_values);
$output .= apply_filters('mla_gallery_row_close_parse', $parse_value, $row_close_template, $markup_values);
}
$markup_values = apply_filters('mla_gallery_close_values', $markup_values);
$close_template = apply_filters('mla_gallery_close_template', $close_template);
$parse_value = MLAData::mla_parse_template($close_template, $markup_values);
$output .= apply_filters('mla_gallery_close_parse', $parse_value, $close_template, $markup_values);
}
// is_gallery
return $output;
}
