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root / drupal7 / sites / all / modules / media / modules / media_wysiwyg / media_wysiwyg.api.php @ e4215af7

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<?php
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/**
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 * @file
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 * Hooks provided by the Media WYSIWYG module.
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 */
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/**
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 * Alter a list of view modes allowed for a file embedded in the WYSIWYG.
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 *
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 * @param array $view_modes
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 *   An array of view modes that can be used on the file when embedded in the
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 *   WYSIWYG.
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 * @param object $file
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 *   A file entity.
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 *
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 * @see media_get_wysiwyg_allowed_view_modes()
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 */
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function hook_media_wysiwyg_wysiwyg_allowed_view_modes_alter(&$view_modes, $file) {
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  $view_modes['default']['label'] = t('Display an unmodified version of the file');
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  unset($view_modes['preview']);
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}
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/**
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 * Alter the WYSIWYG view mode selection form.
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 *
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 * Similar to a form_alter, but runs first so that modules can add
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 * fields specific to a given file type (like alt tags on images) before alters
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 * begin to work on the fields.
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 *
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 * @param array $form
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 *   An associative array containing the structure of the form.
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 * @param array $form_state
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 *   An associative array containing the current state of the form.
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 * @param object $file
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 *   A file entity.
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 *
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 * @see media_format_form()
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 */
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function hook_media_wysiwyg_format_form_prepare_alter(&$form, &$form_state, $file) {
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  $form['preview']['#access'] = FALSE;
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  $file = $form_state['file'];
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  $form['heading']['#markup'] = t('Embedding %filename of type %filetype', array('%filename' => $file->filename, '%filetype' => $file->type));
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}
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/**
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 * Alter the output generated by Media filter tags.
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 *
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 * @param array $element
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 *   The renderable array of output generated for the filter tag.
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 * @param array $tag_info
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 *   The filter tag converted into an associative array by
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 *   media_token_to_markup() with the following elements:
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 *   - 'fid': The ID of the media file being rendered.
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 *   - 'file': The object from file_load() of the media file being rendered.
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 *   - 'view_mode': The view mode being used to render the file.
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 *   - 'attributes': An additional array of attributes that could be output
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 *     with media_get_file_without_label().
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 * @param array $settings
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 *   An additional array of settings.
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 *   - 'wysiwyg': A boolean if the output is for the WYSIWYG preview or FALSE
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 *     if for normal rendering.
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 *
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 * @see media_token_to_markup()
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 */
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function hook_media_wysiwyg_token_to_markup_alter(&$element, $tag_info, $settings) {
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  if (empty($settings['wysiwyg'])) {
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    $element['#attributes']['alt'] = t('This media has been output using the @mode view mode.', array('@mode' => $tag_info['view_mode']));
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  }
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}
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/**
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 * Alter list of attributes allowed to be stored in json and rendered in HTML.
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 * This example ensures that 'class' is always a permitted attribute.
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 *
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 * @param array $allowed_attributes
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 *   A flat array of attribute names.
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 *
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 * @see media_wysiwyg_allowed_attributes()
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 */
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function hook_media_wysiwyg_allowed_attributes_alter(&$allowed_attributes) {
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  if (!in_array('class', $allowed_attributes)) {
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    $allowed_attributes[] = 'class';
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  }
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}