Club Drupal

<?php

/**

 * @file

 * Primarily Drupal hooks.

 */

/**

 * Implements hook_permission().

 */

function media_wysiwyg_view_mode_permission() {

  return array(

    'administer media wysiwyg view mode' => array(

      'title' => t('Administer Media WYSIWYG View Mode'),

    ),

  );

}

/**

 * Implements hook_menu().

 */

function media_wysiwyg_view_mode_menu() {

  $items['admin/config/media/wysiwyg-view-mode'] = array(

    'title' => 'Media WYSIWYG View Mode',

    'description' => 'Configure view mode settings for files embedded into and displayed inside of the WYSIWYG editor.',

    'page callback' => 'drupal_get_form',

    'page arguments' => array('media_wysiwyg_view_mode_configuration_form'),

    'access arguments' => array('administer media wysiwyg view mode'),

    'file' => 'media_wysiwyg_view_mode.admin.inc',

  );

  return $items;

}

/**

 * Implements hook_help().

 */

function media_wysiwyg_view_mode_help($path, $arg) {

  switch ($path) {

    case 'admin/config/media/wysiwyg-view-mode':

      $output = '';

      $output .= '<p>' . t('Configure view modes for files displayed inside of the WYSIWYG editor.') . '</p>';

      $output .= '<p>' . t('View modes can be configured per file type. Only enabled view modes are selectable.') . '</p>';

      return $output;

  }

}

/**

 * Implements hook_entity_info_alter().

 */

function media_wysiwyg_view_mode_entity_info_alter(&$entity_info) {

  $entity_info['file']['view modes'] += array(

    'wysiwyg' => array(

      'label' => t('WYSIWYG'),

      'custom settings' => TRUE,

    ),

  );

}

/**

 * Implements hook_media_wysiwyg_wysiwyg_allowed_view_modes_alter().

 */

function media_wysiwyg_view_mode_media_wysiwyg_wysiwyg_allowed_view_modes_alter(&$view_modes, &$file) {

  if (variable_get("media_wysiwyg_view_mode_{$file->type}_wysiwyg_restricted_view_modes_status", FALSE) == TRUE) {

    $restricted_view_modes = variable_get("media_wysiwyg_view_mode_{$file->type}_wysiwyg_restricted_view_modes", array());

    foreach ($restricted_view_modes as $restricted_view_mode) {

      if (array_key_exists($restricted_view_mode, $view_modes)) {

        unset($view_modes[$restricted_view_mode]);

      }

    }

  }

}

/**

 * Implements hook_media_wysiwyg_token_to_markup_alter().

 */

function media_wysiwyg_view_mode_media_wysiwyg_token_to_markup_alter(&$element, $tag_info, $settings) {

  if (!empty($settings['wysiwyg'])) {

    $file = $tag_info['file'];

    if (variable_get("media_wysiwyg_view_mode_{$file->type}_file_wysiwyg_view_mode_status", FALSE) == TRUE) {

      $element = media_wysiwyg_get_file_without_label($file, variable_get("media_wysiwyg_view_mode_{$file->type}_file_wysiwyg_view_mode", 'wysiwyg'), $settings);

    }

    else {

      $element = media_wysiwyg_get_file_without_label($file, $tag_info['view_mode'], $settings);

    }

  }

}

/**

 * Implements hook_form_alter().

 */

function media_wysiwyg_view_mode_form_alter(&$form, $form_state, $form_id)  {

  switch ($form_id)  {

    case 'media_wysiwyg_format_form':

      $file = $form_state['file'];

      // Check to see if a view mode ("format") has already been specified for

      //  this media item. First, check for a standard form-submitted value.

      if (!empty($form_state['values']['format'])) {

        $view_mode = $form_state['values']['format'];

      }

      // Second, check the request for a JSON-encoded value.

      elseif (isset($_GET['fields'])) {

        $query_fields = drupal_json_decode($_GET['fields']);

        if (isset($query_fields['format'])) {

          $view_mode = $query_fields['format'];

        }

      }

      // If we were unable to determine a view mode, or we found a view mode

      //  that does not exist in the list of format options presented on this

      //  form, use the default view mode.

      if (!isset($view_mode) || !array_key_exists($view_mode, $form['options']['format']['#options'])) {

        $view_mode = variable_get('media_wysiwyg_wysiwyg_default_view_mode', 'full');

      }

      $form['preview'] = file_view_file($file, $view_mode);

      $form['preview']['#prefix'] = '<div id="preview">';

      $form['preview']['#suffix'] = '</div>';

      if (!isset($form['options']['format']['#default_value'])) {

        $form['options']['format']['#default_value'] = $view_mode;

      }

      $form['options']['format']['#ajax'] = array(

        'callback' => 'media_format_form_preview',

        'wrapper' => 'preview',

      );

      $view_modes = media_wysiwyg_get_wysiwyg_allowed_view_modes($file);

      $formats = $options = array();

      foreach ($view_modes as $view_mode => $view_mode_info) {

        //@TODO: Display more verbose information about which formatter and what it does.

        $options[$view_mode] = $view_mode_info['label'];

        if (variable_get("media_wysiwyg_view_mode_{$file->type}_file_wysiwyg_view_mode_status", FALSE) == TRUE) {

          $element = media_wysiwyg_get_file_without_label($file, variable_get("media_wysiwyg_view_mode_{$file->type}_file_wysiwyg_view_mode", 'wysiwyg'), array('wysiwyg' => TRUE));

        }

        else {

          $element = media_wysiwyg_get_file_without_label($file, $view_mode, array('wysiwyg' => TRUE));

        }

        // Make a pretty name out of this.

        $formats[$view_mode] = drupal_render($element);

      }

      $form['#formats'] = $formats;

      break;

  }

}

/**

 * AJAX callback to select the portion of the format form to be updated with a preview.

 *

 * @param array $form

 *   An associative array containing the structure of the form.

 * @param array $form_state

 *   An associative array containing the current state of the form.

 *

 * @return array

 *   The preview form item.

 */

function media_format_form_preview($form, $form_state) {

  return $form['preview'];

}