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ca0757b9
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Assos Assos
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<?php
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/**
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* @file
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* Functions related to the WYSIWYG editor and the media input filter.
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*/
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1e39edcb
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Assos Assos
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define('MEDIA_WYSIWYG_TOKEN_REGEX', '/\[\[.*?\]\]/s');
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ca0757b9
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Assos Assos
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/**
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* Filter callback for media markup filter.
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*
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* @TODO check for security probably pass text through filter_xss
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*/
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1f623f01
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Assos Assos
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function media_wysiwyg_filter($text, $filter = NULL, $format = NULL, $langcode = NULL, $cache = NULL, $cache_id = NULL) {
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fc3d89c3
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Assos Assos
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$replacements = array();
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$patterns = array();
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$rendered_text = $text;
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$count = 1;
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preg_match_all(MEDIA_WYSIWYG_TOKEN_REGEX, $text, $matches);
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if (!empty($matches[0])) {
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foreach ($matches[0] as $match) {
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$replacement = media_wysiwyg_token_to_markup(array($match), FALSE, $langcode);
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$rendered_text = str_replace($match, $replacement, $rendered_text, $count);
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}
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}
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return $rendered_text;
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ca0757b9
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Assos Assos
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}
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da542b7b
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Assos Assos
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/**
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* Filter callback to remove paragraph tags surrounding embedded media.
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*/
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function media_wysiwyg_filter_paragraph_fix($text) {
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$html_dom = filter_dom_load($text);
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foreach ($html_dom->getElementsByTagName('p') as $paragraph) {
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if (preg_match(MEDIA_WYSIWYG_TOKEN_REGEX, $paragraph->nodeValue)) {
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$sibling = $paragraph->firstChild;
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do {
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$next = $sibling->nextSibling;
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$paragraph->parentNode->insertBefore($sibling, $paragraph);
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} while ($sibling = $next);
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$paragraph->parentNode->removeChild($paragraph);
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}
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}
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$text = filter_dom_serialize($html_dom);
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return $text;
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}
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ca0757b9
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Assos Assos
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/**
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* Parses the contents of a CSS declaration block.
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*
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* @param string $declarations
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* One or more CSS declarations delimited by a semicolon. The same as a CSS
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* declaration block (see http://www.w3.org/TR/CSS21/syndata.html#rule-sets),
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* but without the opening and closing curly braces. Also the same as the
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* value of an inline HTML style attribute.
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*
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* @return array
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* A keyed array. The keys are CSS property names, and the values are CSS
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* property values.
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*/
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function media_wysiwyg_parse_css_declarations($declarations) {
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$properties = array();
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foreach (array_map('trim', explode(";", $declarations)) as $declaration) {
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if ($declaration != '') {
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list($name, $value) = array_map('trim', explode(':', $declaration, 2));
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$properties[strtolower($name)] = $value;
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}
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}
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return $properties;
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}
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/**
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* Replace callback to convert a media file tag into HTML markup.
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*
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* @param string $match
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* Takes a match of tag code
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* @param bool $wysiwyg
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* Set to TRUE if called from within the WYSIWYG text area editor.
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*
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* @return string
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* The HTML markup representation of the tag, or an empty string on failure.
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*
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* @see media_wysiwyg_get_file_without_label()
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* @see hook_media_wysiwyg_token_to_markup_alter()
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*/
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fc3d89c3
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Assos Assos
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function media_wysiwyg_token_to_markup($match, $wysiwyg = FALSE, $langcode = NULL) {
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bf3c8457
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Florent Torregrosa
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static $recursion_stop;
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ca0757b9
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Assos Assos
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$settings = array();
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$match = str_replace("[[", "", $match);
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$match = str_replace("]]", "", $match);
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$tag = $match[0];
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try {
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if (!is_string($tag)) {
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throw new Exception('Unable to find matching tag');
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}
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$tag_info = drupal_json_decode($tag);
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if (!isset($tag_info['fid'])) {
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throw new Exception('No file Id');
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}
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// Ensure the 'link_text' key is always defined.
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if (!isset($tag_info['link_text'])) {
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$tag_info['link_text'] = NULL;
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}
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// Ensure a valid view mode is being requested.
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if (!isset($tag_info['view_mode'])) {
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$tag_info['view_mode'] = variable_get('media_wysiwyg_wysiwyg_default_view_mode', 'full');
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}
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elseif ($tag_info['view_mode'] != 'default') {
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$file_entity_info = entity_get_info('file');
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if (!in_array($tag_info['view_mode'], array_keys($file_entity_info['view modes']))) {
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// Media 1.x defined some old view modes that have been superseded by
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// more semantically named ones in File Entity. The media_update_7203()
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// function updates field settings that reference the old view modes,
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// but it's impractical to update all text content, so adjust
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// accordingly here.
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static $view_mode_updates = array(
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'media_preview' => 'preview',
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'media_small' => 'teaser',
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'media_large' => 'full',
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);
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if (isset($view_mode_updates[$tag_info['view_mode']])) {
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$tag_info['view_mode'] = $view_mode_updates[$tag_info['view_mode']];
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}
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else {
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throw new Exception('Invalid view mode');
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}
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}
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}
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$file = file_load($tag_info['fid']);
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if (!$file) {
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throw new Exception('Could not load media object');
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}
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140 |
bf3c8457
|
Florent Torregrosa
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// Check if we've got a recursion. Happens because a file_load() may
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// triggers file_entity_is_page() which then again triggers a file load.
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if (isset($recursion_stop[$file->fid])) {
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return '';
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}
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$recursion_stop[$file->fid] = TRUE;
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ca0757b9
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Assos Assos
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$tag_info['file'] = $file;
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// The class attributes is a string, but drupal requires it to be
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// an array, so we fix it here.
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if (!empty($tag_info['attributes']['class'])) {
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$tag_info['attributes']['class'] = explode(" ", $tag_info['attributes']['class']);
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}
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da542b7b
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Assos Assos
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// Grab the potentially overridden fields from the file.
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156 |
ca0757b9
|
Assos Assos
|
$fields = media_wysiwyg_filter_field_parser($tag_info);
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157 |
bf3c8457
|
Florent Torregrosa
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foreach ($fields as $key => $value) {
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$file->{$key} = $value;
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}
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ca0757b9
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Assos Assos
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$attributes = is_array($tag_info['attributes']) ? $tag_info['attributes'] : array();
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$attribute_whitelist = variable_get('media_wysiwyg_wysiwyg_allowed_attributes', _media_wysiwyg_wysiwyg_allowed_attributes_default());
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$settings['attributes'] = array_intersect_key($attributes, array_flip($attribute_whitelist));
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$settings['fields'] = $fields;
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if (!empty($tag_info['attributes']) && is_array($tag_info['attributes'])) {
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$settings['attributes'] = array_intersect_key($tag_info['attributes'], array_flip($attribute_whitelist));
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// Many media formatters will want to apply width and height independently
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// of the style attribute or the corresponding HTML attributes, so pull
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// these two out into top-level settings. Different WYSIWYG editors have
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// different behavior with respect to whether they store user-specified
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// dimensions in the HTML attributes or the style attribute - check both.
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// Per http://www.w3.org/TR/html5/the-map-element.html#attr-dim-width, the
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// HTML attributes are merely hints: CSS takes precedence.
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if (isset($settings['attributes']['style'])) {
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$css_properties = media_wysiwyg_parse_css_declarations($settings['attributes']['style']);
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foreach (array('width', 'height') as $dimension) {
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if (isset($css_properties[$dimension]) && substr($css_properties[$dimension], -2) == 'px') {
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$settings[$dimension] = substr($css_properties[$dimension], 0, -2);
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}
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elseif (isset($settings['attributes'][$dimension])) {
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$settings[$dimension] = $settings['attributes'][$dimension];
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}
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}
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186 |
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}
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187 |
fc3d89c3
|
Assos Assos
|
foreach (array('title', 'alt') as $field_type) {
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188 |
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if (isset($settings['attributes'][$field_type])) {
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$settings['attributes'][$field_type] = decode_entities($settings['attributes'][$field_type]);
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}
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}
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192 |
ca0757b9
|
Assos Assos
|
}
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193 |
da542b7b
|
Assos Assos
|
// Update file metadata from the potentially overridden tag info.
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194 |
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foreach (array('width', 'height') as $dimension) {
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195 |
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if (isset($settings['attributes'][$dimension])) {
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$file->metadata[$dimension] = $settings['attributes'][$dimension];
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}
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}
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199 |
ca0757b9
|
Assos Assos
|
}
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200 |
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catch (Exception $e) {
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watchdog('media', 'Unable to render media from %tag. Error: %error', array('%tag' => $tag, '%error' => $e->getMessage()));
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return '';
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}
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// If the tag has link text stored with it, override the filename with it for
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206 |
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// the rest of this function, so that if the file is themed as a link, the
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207 |
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// desired text will be used (see, for example, theme_file_link()).
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// @todo: Try to find a less hacky way to do this.
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209 |
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if (isset($tag_info['link_text'])) {
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210 |
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// The link text will have characters such as "&" encoded for HTML, but the
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211 |
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// filename itself needs the raw value when it is used to build the link,
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212 |
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// in order to avoid double encoding.
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213 |
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$file->filename = decode_entities($tag_info['link_text']);
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}
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215 |
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216 |
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if ($wysiwyg) {
|
217 |
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$settings['wysiwyg'] = $wysiwyg;
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218 |
1e39edcb
|
Assos Assos
|
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219 |
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// Render file in WYSIWYG using appropriate view mode.
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220 |
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$view_mode = db_query('SELECT view_mode FROM {media_view_mode_wysiwyg} WHERE type = :type', array(
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221 |
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':type' => $file->type,
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222 |
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))
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223 |
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->fetchField();
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224 |
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if (empty($view_mode)) {
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225 |
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$view_mode = $tag_info['view_mode'];
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226 |
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}
|
227 |
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|
228 |
bf3c8457
|
Florent Torregrosa
|
// If sending markup to a WYSIWYG, we need to pass the file information so
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229 |
ca0757b9
|
Assos Assos
|
// that an inline macro can be generated when the WYSIWYG is detached.
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230 |
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// The WYSIWYG plugin is expecting this information in the
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231 |
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// Drupal.settings.mediaDataMap variable.
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232 |
1e39edcb
|
Assos Assos
|
$element = media_wysiwyg_get_file_without_label($file, $view_mode, $settings, $langcode);
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233 |
ca0757b9
|
Assos Assos
|
$data = array(
|
234 |
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'type' => 'media',
|
235 |
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'fid' => $file->fid,
|
236 |
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'view_mode' => $tag_info['view_mode'],
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237 |
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'link_text' => $tag_info['link_text'],
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238 |
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);
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239 |
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drupal_add_js(array('mediaDataMap' => array($file->fid => $data)), 'setting');
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240 |
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$element['#attributes']['data-fid'] = $file->fid;
|
241 |
bf3c8457
|
Florent Torregrosa
|
$element['#attributes']['data-media-element'] = '1';
|
242 |
ca0757b9
|
Assos Assos
|
$element['#attributes']['class'][] = 'media-element';
|
243 |
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}
|
244 |
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else {
|
245 |
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// Display the field elements.
|
246 |
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$element = array();
|
247 |
bf3c8457
|
Florent Torregrosa
|
// Render the file entity, for sites using the file_entity rendering method.
|
248 |
|
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if (variable_get('media_wysiwyg_default_render', 'file_entity') == 'file_entity') {
|
249 |
|
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$element['content'] = file_view($file, $tag_info['view_mode']);
|
250 |
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}
|
251 |
fc3d89c3
|
Assos Assos
|
$element['content']['file'] = media_wysiwyg_get_file_without_label($file, $tag_info['view_mode'], $settings, $langcode);
|
252 |
ca0757b9
|
Assos Assos
|
// Overwrite or set the file #alt attribute if it has been set in this
|
253 |
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// instance.
|
254 |
|
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if (!empty($element['content']['file']['#attributes']['alt'])) {
|
255 |
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$element['content']['file']['#alt'] = $element['content']['file']['#attributes']['alt'];
|
256 |
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}
|
257 |
|
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// Overwrite or set the file #title attribute if it has been set in this
|
258 |
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// instance.
|
259 |
|
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if (!empty($element['content']['file']['#attributes']['title'])) {
|
260 |
|
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$element['content']['file']['#title'] = $element['content']['file']['#attributes']['title'];
|
261 |
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}
|
262 |
bf3c8457
|
Florent Torregrosa
|
// For sites using the legacy field_attach rendering method, attach fields.
|
263 |
|
|
if (variable_get('media_wysiwyg_default_render', 'file_entity') == 'field_attach') {
|
264 |
fc3d89c3
|
Assos Assos
|
field_attach_prepare_view('file', array($file->fid => $file), $tag_info['view_mode'], $langcode);
|
265 |
|
|
entity_prepare_view('file', array($file->fid => $file), $langcode);
|
266 |
|
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$element['content'] += field_attach_view('file', $file, $tag_info['view_mode'], $langcode);
|
267 |
bf3c8457
|
Florent Torregrosa
|
}
|
268 |
ca0757b9
|
Assos Assos
|
if (count(element_children($element['content'])) > 1) {
|
269 |
|
|
// Add surrounding divs to group them together.
|
270 |
1e39edcb
|
Assos Assos
|
// We don't want divs when there are no additional fields to allow files
|
271 |
ca0757b9
|
Assos Assos
|
// to display inline with text, without breaking p tags.
|
272 |
|
|
$element['content']['#type'] = 'container';
|
273 |
|
|
$element['content']['#attributes']['class'] = array(
|
274 |
|
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'media',
|
275 |
|
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'media-element-container',
|
276 |
1e39edcb
|
Assos Assos
|
'media-' . $element['content']['file']['#view_mode'],
|
277 |
ca0757b9
|
Assos Assos
|
);
|
278 |
|
|
}
|
279 |
bf3c8457
|
Florent Torregrosa
|
|
280 |
|
|
// Conditionally add a pre-render if the media filter output is be cached.
|
281 |
|
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$filters = filter_get_filters();
|
282 |
|
|
if (!isset($filters['media_filter']['cache']) || $filters['media_filter']['cache']) {
|
283 |
|
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$element['#pre_render'][] = 'media_wysiwyg_pre_render_cached_filter';
|
284 |
|
|
}
|
285 |
ca0757b9
|
Assos Assos
|
}
|
286 |
fc3d89c3
|
Assos Assos
|
drupal_alter('media_wysiwyg_token_to_markup', $element, $tag_info, $settings, $langcode);
|
287 |
bf3c8457
|
Florent Torregrosa
|
$output = drupal_render($element);
|
288 |
|
|
unset($recursion_stop[$file->fid]);
|
289 |
|
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return $output;
|
290 |
ca0757b9
|
Assos Assos
|
}
|
291 |
|
|
|
292 |
|
|
/**
|
293 |
|
|
* Parse the field array from the collapsed AJAX string.
|
294 |
|
|
*/
|
295 |
|
|
function media_wysiwyg_filter_field_parser($tag_info) {
|
296 |
|
|
$fields = array();
|
297 |
|
|
if (isset($tag_info['fields'])) {
|
298 |
|
|
foreach($tag_info['fields'] as $field_name => $field_value) {
|
299 |
|
|
if (strpos($field_name, 'field_') === 0) {
|
300 |
|
|
$parsed_field = explode('[', str_replace(']', '', $field_name));
|
301 |
|
|
$ref = &$fields;
|
302 |
|
|
|
303 |
da542b7b
|
Assos Assos
|
// Certain types of fields, because of differences in markup, end up
|
304 |
|
|
// here with incomplete arrays. Make a best effort to support as many
|
305 |
|
|
// types of fields as possible.
|
306 |
|
|
// Single-value select lists show up here with only 2 array items.
|
307 |
|
|
if (count($parsed_field) == 2) {
|
308 |
|
|
$info = field_info_field($parsed_field[0]);
|
309 |
|
|
if ($info && !empty($info['columns'])) {
|
310 |
|
|
// Assume single-value.
|
311 |
|
|
$parsed_field[] = 0;
|
312 |
|
|
// Next tack on the column for this field.
|
313 |
|
|
$parsed_field[] = key($info['columns']);
|
314 |
|
|
}
|
315 |
|
|
}
|
316 |
|
|
// Multi-value select lists show up here with 3 array items.
|
317 |
|
|
elseif (count($parsed_field) == 3 && is_numeric($parsed_field[2])) {
|
318 |
|
|
$info = field_info_field($parsed_field[0]);
|
319 |
|
|
// They just need the value column.
|
320 |
|
|
$parsed_field[3] = key($info['columns']);
|
321 |
|
|
}
|
322 |
|
|
|
323 |
ca0757b9
|
Assos Assos
|
// Each key of the field needs to be the child of the previous key.
|
324 |
|
|
foreach ($parsed_field as $key) {
|
325 |
|
|
if (!isset($ref[$key])) {
|
326 |
|
|
$ref[$key] = array();
|
327 |
|
|
}
|
328 |
|
|
$ref = &$ref[$key];
|
329 |
|
|
}
|
330 |
|
|
|
331 |
|
|
// The value should be set at the deepest level.
|
332 |
|
|
// Fields that use rich-text markup will be urlencoded.
|
333 |
fc3d89c3
|
Assos Assos
|
$ref = decode_entities($field_value);
|
334 |
ca0757b9
|
Assos Assos
|
}
|
335 |
|
|
}
|
336 |
|
|
}
|
337 |
|
|
return $fields;
|
338 |
|
|
}
|
339 |
|
|
|
340 |
|
|
/**
|
341 |
|
|
* Creates map of inline media tags.
|
342 |
|
|
*
|
343 |
|
|
* Generates an array of [inline tags] => <html> to be used in filter
|
344 |
|
|
* replacement and to add the mapping to JS.
|
345 |
|
|
*
|
346 |
|
|
* @param string $text
|
347 |
|
|
* The String containing text and html markup of textarea
|
348 |
|
|
*
|
349 |
|
|
* @return array
|
350 |
|
|
* An associative array with tag code as key and html markup as the value.
|
351 |
|
|
*
|
352 |
|
|
* @see media_process_form()
|
353 |
|
|
* @see media_token_to_markup()
|
354 |
|
|
*/
|
355 |
|
|
function _media_wysiwyg_generate_tagMap($text) {
|
356 |
|
|
// Making $tagmap static as this function is called many times and
|
357 |
|
|
// adds duplicate markup for each tag code in Drupal.settings JS,
|
358 |
|
|
// so in media_process_form it adds something like tagCode:<markup>,
|
359 |
|
|
// <markup> and when we replace in attach see two duplicate images
|
360 |
|
|
// for one tagCode. Making static would make function remember value
|
361 |
|
|
// between function calls. Since media_process_form is multiple times
|
362 |
|
|
// with same form, this function is also called multiple times.
|
363 |
|
|
static $tagmap = array();
|
364 |
1e39edcb
|
Assos Assos
|
preg_match_all("/\[\[.*?\]\]/s", $text, $matches, PREG_SET_ORDER);
|
365 |
ca0757b9
|
Assos Assos
|
foreach ($matches as $match) {
|
366 |
|
|
// We see if tagContent is already in $tagMap, if not we add it
|
367 |
|
|
// to $tagmap. If we return an empty array, we break embeddings of the same
|
368 |
|
|
// media multiple times.
|
369 |
|
|
if (empty($tagmap[$match[0]])) {
|
370 |
|
|
// @TODO: Total HACK, but better than nothing.
|
371 |
|
|
// We should find a better way of cleaning this up.
|
372 |
|
|
if ($markup_for_media = media_wysiwyg_token_to_markup($match, TRUE)) {
|
373 |
|
|
$tagmap[$match[0]] = $markup_for_media;
|
374 |
|
|
}
|
375 |
|
|
else {
|
376 |
|
|
$missing = file_create_url(drupal_get_path('module', 'media') . '/images/icons/default/image-x-generic.png');
|
377 |
|
|
$tagmap[$match[0]] = '<div><img src="' . $missing . '" width="100px" height="100px"/></div>';
|
378 |
|
|
}
|
379 |
|
|
}
|
380 |
|
|
}
|
381 |
|
|
return $tagmap;
|
382 |
|
|
}
|
383 |
|
|
|
384 |
|
|
/**
|
385 |
|
|
* Return a list of view modes allowed for a file embedded in the WYSIWYG.
|
386 |
|
|
*
|
387 |
|
|
* @param object $file
|
388 |
|
|
* A file entity.
|
389 |
|
|
*
|
390 |
|
|
* @return array
|
391 |
|
|
* An array of view modes that can be used on the file when embedded in the
|
392 |
|
|
* WYSIWYG.
|
393 |
0ccfec7f
|
Assos Assos
|
*
|
394 |
|
|
* @deprecated
|
395 |
ca0757b9
|
Assos Assos
|
*/
|
396 |
|
|
function media_wysiwyg_get_wysiwyg_allowed_view_modes($file) {
|
397 |
|
|
$enabled_view_modes = &drupal_static(__FUNCTION__, array());
|
398 |
|
|
|
399 |
|
|
// @todo Add more caching for this.
|
400 |
|
|
if (!isset($enabled_view_modes[$file->type])) {
|
401 |
|
|
$enabled_view_modes[$file->type] = array();
|
402 |
|
|
|
403 |
|
|
// Add the default view mode by default.
|
404 |
|
|
$enabled_view_modes[$file->type]['default'] = array('label' => t('Default'), 'custom settings' => TRUE);
|
405 |
|
|
|
406 |
|
|
$entity_info = entity_get_info('file');
|
407 |
|
|
$view_mode_settings = field_view_mode_settings('file', $file->type);
|
408 |
|
|
foreach ($entity_info['view modes'] as $view_mode => $view_mode_info) {
|
409 |
|
|
// Do not show view modes that don't have their own settings and will
|
410 |
|
|
// only fall back to the default view mode.
|
411 |
|
|
if (empty($view_mode_settings[$view_mode]['custom_settings'])) {
|
412 |
|
|
continue;
|
413 |
|
|
}
|
414 |
|
|
|
415 |
|
|
// Don't present the user with an option to choose a view mode in which
|
416 |
|
|
// the file is hidden.
|
417 |
|
|
$extra_fields = field_extra_fields_get_display('file', $file->type, $view_mode);
|
418 |
|
|
if (empty($extra_fields['file']['visible'])) {
|
419 |
|
|
continue;
|
420 |
|
|
}
|
421 |
|
|
|
422 |
|
|
// Add the view mode to the list of enabled view modes.
|
423 |
|
|
$enabled_view_modes[$file->type][$view_mode] = $view_mode_info;
|
424 |
|
|
}
|
425 |
|
|
}
|
426 |
|
|
|
427 |
|
|
$view_modes = $enabled_view_modes[$file->type];
|
428 |
1e39edcb
|
Assos Assos
|
media_wysiwyg_wysiwyg_allowed_view_modes_restrict($view_modes, $file);
|
429 |
0ccfec7f
|
Assos Assos
|
drupal_alter('media_wysiwyg_allowed_view_modes', $view_modes, $file);
|
430 |
|
|
// Invoke the deprecated/misspelled alter hook as well.
|
431 |
ca0757b9
|
Assos Assos
|
drupal_alter('media_wysiwyg_wysiwyg_allowed_view_modes', $view_modes, $file);
|
432 |
|
|
return $view_modes;
|
433 |
|
|
}
|
434 |
1e39edcb
|
Assos Assos
|
/**
|
435 |
|
|
* Do not show restricted view modes.
|
436 |
|
|
*/
|
437 |
|
|
function media_wysiwyg_wysiwyg_allowed_view_modes_restrict(&$view_modes, &$file) {
|
438 |
|
|
$restricted_view_modes = db_query('SELECT display FROM {media_restrict_wysiwyg} WHERE type = :type', array(':type' => $file->type))->fetchCol();
|
439 |
|
|
foreach ($restricted_view_modes as $restricted_view_mode) {
|
440 |
|
|
if (array_key_exists($restricted_view_mode, $view_modes)) {
|
441 |
|
|
unset($view_modes[$restricted_view_mode]);
|
442 |
|
|
}
|
443 |
|
|
}
|
444 |
|
|
}
|
445 |
bf3c8457
|
Florent Torregrosa
|
/**
|
446 |
|
|
* #pre_render callback: Modify the element if the render cache is filtered.
|
447 |
|
|
*/
|
448 |
|
|
function media_wysiwyg_pre_render_cached_filter($element) {
|
449 |
|
|
// Remove contextual links since they are not compatible with cached filtered
|
450 |
|
|
// text.
|
451 |
|
|
if (isset($element['content']['#contextual_links'])) {
|
452 |
|
|
unset($element['content']['#contextual_links']);
|
453 |
|
|
}
|
454 |
|
|
|
455 |
|
|
return $element;
|
456 |
|
|
} |