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root / drupal7 / sites / all / modules / media / modules / media_wysiwyg / media_wysiwyg.module @ 05237dd8

1
<?php
2

    
3
/**
4
 * @file
5
 * Primarily Drupal hooks.
6
 */
7

    
8
// Functions for tracking the file usage of [[inline tags]].
9
require_once dirname(__FILE__) . '/includes/media_wysiwyg.file_usage.inc';
10

    
11
// Functions for working with [[inline tags]] and wysiwyg editors.
12
require_once dirname(__FILE__) . '/includes/media_wysiwyg.filter.inc';
13

    
14
// Functions for UUID support to embedded media.
15
require_once dirname(__FILE__) . '/includes/media_wysiwyg.uuid.inc';
16

    
17
// Functions for features integration.
18
require_once dirname(__FILE__) . '/includes/media_wysiwyg.features.inc';
19

    
20
/**
21
 * Implements hook_page_build().
22
 */
23
function media_wysiwyg_page_build(&$page) {
24
  // We need to load some minor CSS if media alignment is enabled.
25
  if (variable_get('media_wysiwyg_alignment', FALSE)) {
26
    $page['page_bottom']['media_wysiwyg']['#attached']['css'] = array(
27
      drupal_get_path('module', 'media_wysiwyg') . '/css/media_wysiwyg.base.css' => array(
28
        'every_page' => TRUE,
29
      ),
30
    );
31
  }
32
}
33

    
34
/**
35
 * Implements hook_hook_info().
36
 */
37
function media_wysiwyg_hook_info() {
38
  $hooks = array(
39
    'media_wysiwyg_allowed_attributes_alter',
40
    'media_wysiwyg_token_to_markup_alter',
41
    'media_wysiwyg_allowed_view_modes_alter',
42
    'media_wysiwyg_format_form_prepare_alter',
43
  );
44

    
45
  return array_fill_keys($hooks, array('group' => 'media_wysiwyg'));
46
}
47

    
48
/**
49
 * Implements hook_menu().
50
 */
51
function media_wysiwyg_menu() {
52
  $items = array();
53

    
54
  $items['media/%file/format-form'] = array(
55
    'title' => 'Style selector',
56
    'description' => 'Choose a format for a piece of media',
57
    'page callback' => 'drupal_get_form',
58
    'page arguments' => array('media_wysiwyg_format_form', 1),
59
    'access callback' => 'media_wysiwyg_access',
60
    'access arguments' => array('view', 1),
61
    'file' => 'includes/media_wysiwyg.pages.inc',
62
    'theme callback' => 'media_dialog_get_theme_name',
63
    'type' => MENU_CALLBACK,
64
  );
65

    
66
  return $items;
67
}
68

    
69
/**
70
 * Implements hook_permission().
71
 */
72
function media_wysiwyg_permission() {
73
  return array(
74
    'use media wysiwyg' => array(
75
      'title' => t('Use Media WYSIWYG in an editor'),
76
      // Marked restrict because the WYSIWYG forms generate image derivatives,
77
      // which could lead to a DoS security vulnerability.
78
      'restrict access' => TRUE,
79
    ),
80
  );
81
}
82

    
83
/**
84
 * Access callback for WYSIWYG Media.
85
 */
86
function media_wysiwyg_access($op, $file = NULL, $account = NULL) {
87
  return user_access('use media wysiwyg', $account) && file_entity_access($op, $file, $account);
88
}
89

    
90
/**
91
 * Implements hook_element_info_alter().
92
 */
93
function media_wysiwyg_element_info_alter(&$types) {
94
  $types['text_format']['#pre_render'][] = 'media_wysiwyg_pre_render_text_format';
95
}
96

    
97
/**
98
 * Builds a map of media tags in the element.
99
 *
100
 * Builds a map of the media tags in an element that are being rendered to their
101
 * rendered HTML. The map is stored in JS, so we can transform them when the
102
 * editor is being displayed.
103
 */
104
function media_wysiwyg_pre_render_text_format($element) {
105
  // filter_process_format() copies properties to the expanded 'value' child
106
  // element.
107
  if (!isset($element['format'])) {
108
    return $element;
109
  }
110

    
111
  $field = &$element['value'];
112
  $settings = array(
113
    'field' => $field['#id'],
114
  );
115

    
116
  if (!isset($field['#value'])) {
117
    return $element;
118
  }
119

    
120
  $tagmap = array();
121

    
122
  foreach (array('value', 'summary') as $column) {
123
    if (isset($element[$column])) {
124
      $tagmap += _media_wysiwyg_generate_tagMap($element[$column]['#value']);
125
    }
126
  }
127

    
128
  if (!empty($tagmap)) {
129
    $element['#attached']['js'][] = array(
130
      'data' => array(
131
        'tagmap' => $tagmap,
132
      ),
133
      'type' => 'setting',
134
    );
135
  }
136

    
137
  // Load the media browser library.
138
  $element['#attached']['library'][] = array('media', 'media_browser');
139
  $element['#attached']['library'][] = array('media', 'media_browser_settings');
140

    
141
  // Add wysiwyg-specific settings.
142
  $settings = array(
143
    'wysiwyg_allowed_attributes' => media_wysiwyg_allowed_attributes(),
144
    'img_alt_field' => 'field_file_image_alt_text',
145
    'img_title_field' => 'field_file_image_title_text',
146
  );
147

    
148
  // The file_entity module lets you specify a string, possibly with tokens, for
149
  // the alt and title attributes of images. We need the actual field names instead.
150
  // If the variable only contains a token of the format [file:field_file_image_alt_text]
151
  // then it's possible to extract it.
152
  $alt_token = variable_get('file_entity_alt', '[file:field_file_image_alt_text]');
153
  $title_token = variable_get('file_entity_title', '[file:field_file_image_title_text]');
154
  $matches = array();
155
  if (preg_match('/^\[file:(field_[[:alnum:]_-]+)\]$/', trim($alt_token), $matches)) {
156
    $settings['img_alt_field'] = $matches[1];
157
  }
158
  if (preg_match('/^\[file:(field_[[:alnum:]_-]+)\]$/', trim($title_token), $matches)) {
159
    $settings['img_title_field'] = $matches[1];
160
  }
161

    
162
  $element['#attached']['js'][] = array(
163
    'data' => array(
164
      'media' => $settings,
165
      'mediaDoLinkText' => (boolean) variable_get('media_wysiwyg_use_link_text_for_filename', 1),
166
    ),
167
    'type' => 'setting',
168
  );
169

    
170
  // Add filter handling.
171
  $element['#attached']['js'][] = drupal_get_path('module', 'media_wysiwyg') . '/js/media_wysiwyg.filter.js';
172

    
173
  return $element;
174
}
175

    
176
/**
177
 * Implements hook_form_FORM_ID_alter().
178
 */
179
function media_wysiwyg_form_field_ui_field_edit_form_alter(&$form, &$form_state) {
180
  // Add a checkbox that marks this field as one that can be
181
  // overridden in the WYSIWYG.
182
  if ($form['#instance']['entity_type'] == 'file') {
183
    $field_type = $form['#field']['type'];
184
    $allowed_field_types = variable_get('media_wysiwyg_wysiwyg_override_field_types', array('text', 'text_long'));
185
    if (in_array($field_type, $allowed_field_types)) {
186
      $form['instance']['settings']['wysiwyg_override'] = array(
187
        '#type' => 'checkbox',
188
        '#title' => t('Override in WYSIWYG'),
189
        '#description' => t('If checked, then this field may be overridden in the WYSIWYG editor.'),
190
        '#default_value' => isset($form['#instance']['settings']['wysiwyg_override']) ? $form['#instance']['settings']['wysiwyg_override'] : FALSE,
191
      );
192
    }
193
  }
194
}
195

    
196
/**
197
 * Implements hook_form_FORM_ID_alter().
198
 */
199
function media_wysiwyg_form_wysiwyg_profile_form_alter(&$form, &$form_state) {
200
  // Add warnings if the media filter is disabled for the WYSIWYG's text format.
201
  $form['buttons']['drupal']['media']['#element_validate'][] = 'media_wysiwyg_wysiwyg_button_element_validate';
202
  $form['buttons']['drupal']['media']['#after_build'][] = 'media_wysiwyg_wysiwyg_button_element_validate';
203
  form_load_include($form_state, 'inc', 'media_wysiwyg', 'wysiwyg_plugins/media');
204
}
205

    
206
/**
207
 * Element validate callback for the media WYSIWYG button.
208
 */
209
function media_wysiwyg_wysiwyg_button_element_validate($element, &$form_state) {
210
  if (!empty($element['#value'])) {
211
    $format = filter_format_load($form_state['build_info']['args'][0]->format);
212
    $filters = filter_list_format($format->format);
213
    if (empty($filters['media_filter']->status)) {
214
      form_error($element, t('The <em>Convert Media tags to markup</em> filter must be enabled for the <a href="@format-link">@format format</a> in order to use the Media browser WYSIWYG button.', array(
215
        '@format-link' => url('admin/config/content/formats/' . $format->format, array('query' => array('destination' => $_GET['q']))),
216
        '@format' => $format->name,
217
      )));
218
    }
219
  }
220

    
221
  return $element;
222
}
223

    
224
/**
225
 * Implements hook_form_FORM_ID_alter().
226
 */
227
function media_wysiwyg_form_media_admin_config_browser_alter(&$form, &$form_state) {
228
  $form['wysiwyg'] = array(
229
    '#type' => 'fieldset',
230
    '#title' => t('WYSIWYG configuration'),
231
    '#collapsible' => TRUE,
232
    '#collapsed' => FALSE,
233
  );
234
  $form['wysiwyg']['media_wysiwyg_wysiwyg_browser_plugins'] = array(
235
    '#type' => 'checkboxes',
236
    '#title' => t('Enabled browser plugins'),
237
    '#options' => array(),
238
    '#required' => FALSE,
239
    '#default_value' => variable_get('media_wysiwyg_wysiwyg_browser_plugins', array()),
240
    '#description' => t('If no plugins are selected, they will all be available.'),
241
  );
242

    
243
  $plugins = media_get_browser_plugin_info();
244

    
245
  foreach ($plugins as $key => $plugin) {
246
    $form['wysiwyg']['media_wysiwyg_wysiwyg_browser_plugins']['#options'][$key] = !empty($plugin['title']) ? $plugin['title'] : $key;
247
  }
248

    
249
  $form['wysiwyg']['media_wysiwyg_wysiwyg_upload_directory'] = array(
250
    '#type' => 'textfield',
251
    '#title' => t("File directory for uploaded media"),
252
    '#default_value' => variable_get('media_wysiwyg_wysiwyg_upload_directory', ''),
253
    '#description' => t('Optional subdirectory within the upload destination where files will be stored. Do not include preceding or trailing slashes.'),
254
  );
255

    
256
  if (module_exists('token')) {
257
    $form['wysiwyg']['media_wysiwyg_wysiwyg_upload_directory']['#description'] .= t('This field supports tokens.');
258
    $form['wysiwyg']['tokens'] = array(
259
      '#theme' => 'token_tree',
260
      '#dialog' => TRUE,
261
    );
262
  }
263

    
264
  $form['wysiwyg']['media_wysiwyg_default_render'] = array(
265
    '#type' => 'radios',
266
    '#title' => t('How should file entities be rendered within a text field?'),
267
    '#description' => t("Full file entity rendering is the best choice for most sites. It respects the file entity's display settings specified at admin/structure/file-types. If your site already uses the legacy method, note that changing this option will affect your site's markup. Testing it on a non-production site is recommended."),
268
    '#options' => array(
269
      'file_entity' => 'Full file entity rendering',
270
      'field_attach' => 'Legacy rendering (using field attach)',
271
    ),
272
    '#default_value' => variable_get('media_wysiwyg_default_render', 'file_entity'),
273
  );
274

    
275
  $form['wysiwyg']['media_wysiwyg_wysiwyg_allowed_types'] = array(
276
    '#type' => 'checkboxes',
277
    '#title' => t('Allowed types in WYSIWYG'),
278
    '#options' => file_entity_type_get_names(),
279
    '#default_value' => variable_get('media_wysiwyg_wysiwyg_allowed_types', array('audio', 'image', 'video', 'document')),
280
  );
281

    
282
  $options = array();
283
  foreach(field_info_field_types() as $key => $type) {
284
    $options[$key] = $type['label'];
285
  }
286
  asort($options);
287
  $form['wysiwyg']['media_wysiwyg_wysiwyg_override_field_types'] = array(
288
    '#type' => 'checkboxes',
289
    '#title' => t('Override field types in WYSIWYG'),
290
    '#options' => $options,
291
    '#default_value' => variable_get('media_wysiwyg_wysiwyg_override_field_types', array('text', 'text_long')),
292
    '#description' => t('If checked, then the field type may be overridden in the WYSIWYG editor. Not all field types/widgets (e.g. Term reference autocomplete) currently support being overridden so the desired result might not be achieved.')
293
  );
294

    
295
  $form['wysiwyg']['media_wysiwyg_wysiwyg_override_multivalue'] = array(
296
    '#type' => 'checkbox',
297
    '#title' => t('Override multi-value fields in WYSIWYG'),
298
    '#description' => t('If checked, then multi-value fields may be overridden in the WYSIWYG editor. Not all field types/widgets (e.g. Term reference autocomplete) currently support being overridden so the desired result might not be achieved.'),
299
    '#default_value' => variable_get('media_wysiwyg_wysiwyg_override_multivalue', FALSE),
300
  );
301

    
302
  $form['wysiwyg']['media_wysiwyg_use_link_text_for_filename'] = array(
303
    '#type' => 'checkbox',
304
    '#title' => t("Use link text for filename"),
305
    '#default_value' => variable_get('media_wysiwyg_use_link_text_for_filename', 1),
306
    '#description' => t('When formatting inserted media, allow editable link text to be used in place of the filename. Turn this off if your file view modes handle link formatting.'),
307
  );
308

    
309
  $form['wysiwyg']['media_wysiwyg_alignment'] = array(
310
    '#type' => 'checkbox',
311
    '#title' => t('Provide alignment option when embedding media'),
312
    '#default_value' => variable_get('media_wysiwyg_alignment', FALSE),
313
    '#description' => t('If checked, there will be an alignment (left/right/center) option when embedding media in a WYSIWYG.'),
314
  );
315

    
316
  $form['#submit'][] = 'media_wysiwyg_admin_config_browser_pre_submit';
317
}
318

    
319
/**
320
 * Manipulate values before form is submitted.
321
 */
322
function media_wysiwyg_admin_config_browser_pre_submit(&$form, &$form_state) {
323
  $wysiwyg_browser_plugins = array_unique(array_values($form_state['values']['media_wysiwyg_wysiwyg_browser_plugins']));
324
  if (empty($wysiwyg_browser_plugins[0])) {
325
    variable_del('media_wysiwyg_wysiwyg_browser_plugins');
326
    unset($form_state['values']['media_wysiwyg_wysiwyg_browser_plugins']);
327
  }
328
}
329

    
330
/**
331
 * Implements hook_filter_info().
332
 */
333
function media_wysiwyg_filter_info() {
334
  $filters['media_filter'] = array(
335
    'title' => t('Convert Media tags to markup'),
336
    'description' => t('This filter will convert [[{type:media... ]] tags into markup. This must be enabled for the Media WYSIWYG integration to work with this input format. It is recommended to run this before the "@convert_urls" filter.', array('@convert_urls' => 'Convert URLs into links')),
337
    'process callback' => 'media_wysiwyg_filter',
338
    'weight' => 2,
339
    // @TODO not implemented
340
    'tips callback' => 'media_filter_tips',
341
  );
342

    
343
  $filters['media_filter_paragraph_fix'] = array(
344
    'title' => t('Ensure that embedded Media tags are not contained in paragraphs'),
345
    'description' => t('This filter will fix any paragraph tags surrounding embedded Media tags. This helps to avoid the chopped up markup that can result from unexpectedly closed paragraph tags. This filter should be positioned above (before) the "Convert Media tags to markup" filter.'),
346
    'process callback' => 'media_wysiwyg_filter_paragraph_fix',
347
    'settings callback' => '_media_filter_paragraph_fix_settings',
348
    'default settings' => array(
349
      'replace' => 0,
350
    ),
351
    'weight' => 1,
352
  );
353

    
354
  return $filters;
355
}
356

    
357
/**
358
 * Implements hook_wysiwyg_include_directory().
359
 */
360
function media_wysiwyg_wysiwyg_include_directory($type) {
361
  switch ($type) {
362
    case 'plugins':
363
      return 'wysiwyg_plugins';
364

    
365
      break;
366
  }
367
}
368

    
369
/**
370
 * Returns the set of allowed attributes for use with WYSIWYG.
371
 *
372
 * @return array
373
 *   An array of whitelisted attributes.
374
 */
375
function media_wysiwyg_allowed_attributes() {
376
  // Support the legacy variable for this.
377
  $allowed_attributes = variable_get('media_wysiwyg_wysiwyg_allowed_attributes', array(
378
    'alt',
379
    'title',
380
    'height',
381
    'width',
382
    'hspace',
383
    'vspace',
384
    'border',
385
    'align',
386
    'style',
387
    'class',
388
    'id',
389
    'usemap',
390
    'data-picture-group',
391
    'data-picture-align',
392
    'data-picture-mapping',
393
    'data-delta',
394
  ));
395
  drupal_alter('media_wysiwyg_allowed_attributes', $allowed_attributes);
396
  return $allowed_attributes;
397
}
398

    
399
/**
400
 * Returns a drupal_render() array for just the file portion of a file entity.
401
 *
402
 * Optional custom settings can override how the file is displayed.
403
 */
404
function media_wysiwyg_get_file_without_label($file, $view_mode, $settings = array(), $langcode = NULL) {
405
  // Get the override alt & title from the fields override array. Grab the
406
  // "special" field names from the token replacement in file_entity, then see
407
  // if an override is provided and needed.
408
  $pattern = '/\[(\w+):(\w+)\]/';
409
  $alt = variable_get('file_entity_alt', '[file:field_file_image_alt_text]');
410
  $title = variable_get('file_entity_title', '[file:field_file_image_title_text]');
411
  $overrides = array(
412
    'alt' => $alt,
413
    'title' => $title,
414
  );
415
  foreach ($overrides as $field_type => $field_name) {
416
    preg_match($pattern, $field_name, $matches);
417
    if (!empty($matches[2])) {
418
      $field_name = $matches[2];
419
      $field_langcode = field_language('file', $file, $field_name);
420
      if (isset($settings['fields'][$field_name][$field_langcode]['value'])) {
421
        if (empty($settings['attributes'][$field_type])) {
422
          $settings['attributes'][$field_type] = $settings['fields'][$field_name][$field_langcode]['value'];
423
        }
424
      }
425
      if (isset($settings['fields'][$field_name][$field_langcode][0]['value'])) {
426
        if (empty($settings['attributes'][$field_type])) {
427
          $settings['attributes'][$field_type] = $settings['fields'][$field_name][$field_langcode][0]['value'];
428
        }
429
      }
430
    }
431
  }
432

    
433
  $file->override = $settings;
434

    
435
  $element = file_view_file($file, $view_mode, $langcode);
436

    
437
  // Field Translation Support.
438
  if (field_has_translation_handler('file')) {
439
    if ($field_items = field_get_items('file', $file, 'field_file_image_alt_text', $langcode)) {
440
      $value = field_view_value('file', $file, 'field_file_image_alt_text', $field_items[0], array(), $langcode);
441
      $element['#alt'] = isset($value['#markup']) ? $value['#markup'] : '';
442
    }
443
  }
444

    
445
  // The formatter invoked by file_view_file() can use $file->override to
446
  // customize the returned render array to match the requested settings. To
447
  // support simple formatters that don't do this, set the element attributes to
448
  // what was requested, but not if the formatter applied its own logic for
449
  // element attributes.
450
  if (isset($settings['attributes'])) {
451
    if (empty($element['#attributes'])) {
452
      $element['#attributes'] = $settings['attributes'];
453
    }
454

    
455
    // While this function may be called for any file type, images are a common
456
    // use-case, and image theme functions have their own structure for render
457
    // arrays.
458
    if (isset($element['#theme'])) {
459
      // theme_image() and theme_image_style() require the 'alt' attributes to
460
      // be passed separately from the 'attributes' array. (see
461
      // http://drupal.org/node/999338). Until that's fixed, implement this
462
      // special-case logic. Image formatters using other theme functions are
463
      // responsible for their own 'alt' attribute handling. See
464
      // theme_media_formatter_large_icon() for an example.
465
      if (in_array($element['#theme'], array('image', 'image_style'))) {
466
        if (empty($element['#alt']) && isset($settings['attributes']['alt'])) {
467
          $element['#alt'] = $settings['attributes']['alt'];
468
        }
469
      }
470
      // theme_image_formatter() and any potential replacements, such as
471
      // theme_colorbox_image_formatter(), also require attribute handling.
472
      elseif (strpos($element['#theme'], 'image_formatter') !== FALSE) {
473
        // theme_image_formatter() requires the attributes to be
474
        // set on the item rather than the element itself.
475
        if (empty($element['#item']['attributes'])) {
476
          $element['#item']['attributes'] = $settings['attributes'];
477
        }
478

    
479
        // theme_image_formatter() also requires alt, title, height, and
480
        // width attributes to be set on the item rather than within its
481
        // attributes array.
482
        foreach (array('alt', 'title', 'width', 'height') as $attr) {
483
          if (isset($settings['attributes'][$attr])) {
484
            $element['#item'][$attr] = $settings['attributes'][$attr];
485
          }
486
        }
487
      }
488
    }
489
  }
490

    
491
  return $element;
492
}
493

    
494
/**
495
 * Returns an array containing the names of all fields that perform text filtering.
496
 */
497
function media_wysiwyg_filter_fields_with_text_filtering($entity_type, $entity) {
498
  list($entity_id, $revision_id, $bundle) = entity_extract_ids($entity_type, $entity);
499
  $fields = field_info_instances($entity_type, $bundle);
500

    
501
  // Get all of the fields on this entity that allow text filtering.
502
  $fields_with_text_filtering = array();
503
  foreach ($fields as $field_name => $field) {
504
    if (!empty($field['settings']['text_processing'])) {
505
      $fields_with_text_filtering[] = $field_name;
506
    }
507
  }
508

    
509
  return $fields_with_text_filtering;
510
}
511

    
512
/**
513
 * Return a list of view modes allowed for a file type.
514
 *
515
 * @param string $file_type
516
 *   A file type machine name.
517
 *
518
 * @return array
519
 *   An array of view modes that can be used on the file type.
520
 */
521
function media_wysiwyg_get_file_type_view_mode_options($file_type) {
522
  $enabled_view_modes = &drupal_static(__FUNCTION__, array());
523

    
524
  // @todo Add more caching for this.
525
  if (!isset($enabled_view_modes[$file_type])) {
526
    $enabled_view_modes[$file_type] = array();
527

    
528
    // Add the default view mode by default.
529
    $enabled_view_modes[$file_type]['default'] = t('Default');
530

    
531
    $entity_info = entity_get_info('file');
532
    $view_mode_settings = field_view_mode_settings('file', $file_type);
533
    foreach ($entity_info['view modes'] as $view_mode => $view_mode_info) {
534
      // Do not show view modes that don't have their own settings and will
535
      // only fall back to the default view mode.
536
      if (empty($view_mode_settings[$view_mode]['custom_settings'])) {
537
        continue;
538
      }
539

    
540
      // Don't present the user with an option to choose a view mode in which
541
      // the file is hidden.
542
      $extra_fields = field_extra_fields_get_display('file', $file_type, $view_mode);
543
      if (empty($extra_fields['file']['visible'])) {
544
        continue;
545
      }
546

    
547
      // Add the view mode to the list of enabled view modes.
548
      $enabled_view_modes[$file_type][$view_mode] = $view_mode_info['label'];
549
    }
550
  }
551

    
552
  return $enabled_view_modes[$file_type];
553
}
554

    
555
/**
556
 * Return a list of view modes allowed for a file embedded in the WYSIWYG.
557
 *
558
 * @param object $file
559
 *   A file entity.
560
 *
561
 * @return array
562
 *   An array of view modes that can be used on the file when embedded in the
563
 *   WYSIWYG.
564
 */
565
function media_wysiwyg_get_file_view_mode_options($file) {
566
  $view_modes = media_wysiwyg_get_file_type_view_mode_options($file->type);
567
  drupal_alter('media_wysiwyg_allowed_view_modes', $view_modes, $file);
568
  // Invoke the deprecated/misspelled alter hook as well.
569
  drupal_alter('media_wysiwyg_wysiwyg_allowed_view_modes', $view_modes, $file);
570
  return $view_modes;
571
}
572

    
573
/**
574
 * Implements hook_file_displays_alter().
575
 */
576
function media_wysiwyg_file_displays_alter(&$displays, $file, $view_mode) {
577
  // Override the fields of the file when requested by the WYSIWYG.
578
  if (isset($file->override) && isset($file->override['fields'])) {
579
    $instance = field_info_instances('file', $file->type);
580
    foreach ($file->override['fields'] as $field_name => $value) {
581
      if (!isset($instance[$field_name]['settings']) || !isset($instance[$field_name]['settings']['wysiwyg_override']) || $instance[$field_name]['settings']['wysiwyg_override']) {
582
        $file->{$field_name} = $value;
583
      }
584
    }
585
  }
586
}
587

    
588
/**
589
 * Implements hook_entity_info_alter().
590
 *
591
 * Add a file type named 'WYSIWYG'.
592
 */
593
function media_wysiwyg_entity_info_alter(&$entity_info) {
594
  $entity_info['file']['view modes']['wysiwyg'] = array(
595
    'label' => t('WYSIWYG'),
596
    'custom settings' => TRUE,
597
  );
598
}
599

    
600
/**
601
 * Implements hook_form_FORM_ID_alter().
602
 *
603
 * Add select when editing file types to set wysiwyg view mode.
604
 */
605
function media_wysiwyg_form_file_entity_file_type_form_alter(&$form, &$form_state) {
606
  // #2609244 Keep media from trying to alter the File add form just edit.
607
  if (empty($form_state['build_info']['args'][0])) {
608
    return;
609
  }
610

    
611
  $options = array();
612

    
613
  // Add an option allowing users not to use a view mode.
614
  $options['none'] = t('None');
615

    
616
  // Add the default view mode by default.
617
  $options['default'] = t('Default');
618

    
619
  $entity_info = entity_get_info('file');
620
  foreach ($entity_info['view modes'] as $view_mode => $view_mode_info) {
621
    $options[$view_mode] = check_plain($view_mode_info['label']);
622
  }
623

    
624
  $file_type = $form['#file_type']->type;
625
  $view_mode = db_query('SELECT view_mode FROM {media_view_mode_wysiwyg} WHERE type = :type', array(':type' => $file_type))->fetchField();
626
  $view_mode = empty($view_mode) ? 'none' : $view_mode;
627

    
628
  $form['file_wysiwyg_view_mode'] = array(
629
    '#type' => 'select',
630
    '#title' => t('WYSIWYG view mode'),
631
    '#options' => $options,
632
    '#default_value' => $view_mode,
633
    '#description' => t('View mode to be used when displaying files inside of the WYSIWYG editor.'),
634
  );
635

    
636
  // Move submit after our select box. There might be a better way to do this.
637
  $form['submit']['#weight'] = 1;
638

    
639
  array_unshift($form['#submit'], 'media_wysiwyg_form_file_entity_file_type_form_alter_submit');
640
}
641

    
642
/**
643
 * Custom submit handler.
644
 *
645
 * Save wysiwyg view mode.
646
 *
647
 * @see media_wysiwyg_form_file_entity_file_type_form_alter().
648
 */
649
function media_wysiwyg_form_file_entity_file_type_form_alter_submit(&$form, &$form_state) {
650
  $file_type = $form['#file_type']->type;
651
  $view_mode = $form_state['values']['file_wysiwyg_view_mode'];
652
  db_delete('media_view_mode_wysiwyg')->condition('type', $file_type)->execute();
653
  if ($view_mode != 'none') {
654
    $record = array('type' => $file_type, 'view_mode' => $view_mode);
655
    drupal_write_record('media_view_mode_wysiwyg', $record);
656
  }
657
}
658

    
659
/**
660
 * Implements hook_form_FORM_ID_alter().
661
 *
662
 * Add checkbox to restrict file type view mode availability in wysiwyg.
663
 */
664
function media_wysiwyg_form_file_entity_file_display_form_alter(&$form, &$form_state) {
665
  $file_type = $form['#file_type'];
666
  $view_mode = $form['#view_mode'];
667

    
668
  if ($view_mode != 'none') {
669
    $restricted = db_query(
670
      'SELECT 1 FROM {media_restrict_wysiwyg} WHERE type = :type and display = :display',
671
      array(':type' => $file_type, ':display' => $view_mode)
672
    )->fetchField();
673
    $form['restrict_wysiwyg'] = array(
674
      '#type' => 'checkbox',
675
      '#title' => t('Restrict in WYSIWYG'),
676
      '#description' => t('If checked, then this mode will not be allowed from the WYSIWYG.'),
677
      '#default_value' => !empty($restricted),
678
    );
679
    array_unshift($form['#submit'], 'media_wysiwyg_form_file_entity_file_display_form_alter_submit');
680
  }
681

    
682
  return $form;
683
}
684

    
685
/**
686
 * Custom submit handler.
687
 *
688
 * Save restricted wysiwyg file types.
689
 *
690
 * @see media_wysiwyg_form_file_entity_file_display_form_alter().
691
 */
692
function media_wysiwyg_form_file_entity_file_display_form_alter_submit(&$form, &$form_state) {
693
  $file_type = $form['#file_type'];
694
  $view_mode = $form['#view_mode'];
695
  db_delete('media_restrict_wysiwyg')->condition('type', $file_type)->condition('display', $view_mode)->execute();
696
  if (!empty($form_state['values']['restrict_wysiwyg'])) {
697
    $record = array('type' => $file_type, 'display' => $view_mode);
698
    drupal_write_record('media_restrict_wysiwyg', $record);
699
  }
700
}
701

    
702
/**
703
 * Implements hook_media_browser_params_alter().
704
 */
705
function media_wysiwyg_media_browser_params_alter(&$params) {
706
  // Set the media browser options as defined in the interface.
707
  if (!empty($params['id']) && $params['id'] === 'media_wysiwyg') {
708
    $params = array(
709
      'enabledPlugins' => variable_get('media_wysiwyg_wysiwyg_browser_plugins', array()),
710
      'file_directory' => variable_get('media_wysiwyg_wysiwyg_upload_directory', ''),
711
      'types' => variable_get('media_wysiwyg_wysiwyg_allowed_types', array('audio', 'image', 'video', 'document')),
712
      'id' => 'media_wysiwyg',
713
    ) + $params;
714
  }
715
}