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root / drupal7 / sites / all / modules / media / modules / media_wysiwyg / media_wysiwyg.module @ e013fa40

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['wysiwyg']['media_wysiwyg_external_link'] = array(
317
    '#type' => 'checkbox',
318
    '#title' => t('Provide the ability to link media to pages'),
319
    '#default_value' => variable_get('media_wysiwyg_external_link', FALSE),
320
    '#description' => t('If checked there will be a new field when embedding that will allow users to link to the media to urls'),
321
  );
322
  $form['#submit'][] = 'media_wysiwyg_admin_config_browser_pre_submit';
323
}
324

    
325
/**
326
 * Manipulate values before form is submitted.
327
 */
328
function media_wysiwyg_admin_config_browser_pre_submit(&$form, &$form_state) {
329
  $wysiwyg_browser_plugins = array_unique(array_values($form_state['values']['media_wysiwyg_wysiwyg_browser_plugins']));
330
  if (empty($wysiwyg_browser_plugins[0])) {
331
    variable_del('media_wysiwyg_wysiwyg_browser_plugins');
332
    unset($form_state['values']['media_wysiwyg_wysiwyg_browser_plugins']);
333
  }
334
}
335

    
336
/**
337
 * Implements hook_filter_info().
338
 */
339
function media_wysiwyg_filter_info() {
340
  $filters['media_filter'] = array(
341
    'title' => t('Convert Media tags to markup'),
342
    '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')),
343
    'process callback' => 'media_wysiwyg_filter',
344
    'weight' => 2,
345
    // @TODO not implemented
346
    'tips callback' => 'media_filter_tips',
347
  );
348

    
349
  $filters['media_filter_paragraph_fix'] = array(
350
    'title' => t('Ensure that embedded Media tags are not contained in paragraphs'),
351
    '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.'),
352
    'process callback' => 'media_wysiwyg_filter_paragraph_fix',
353
    'settings callback' => '_media_filter_paragraph_fix_settings',
354
    'default settings' => array(
355
      'replace' => 0,
356
    ),
357
    'weight' => 1,
358
  );
359

    
360
  return $filters;
361
}
362

    
363
/**
364
 * Implements hook_wysiwyg_include_directory().
365
 */
366
function media_wysiwyg_wysiwyg_include_directory($type) {
367
  switch ($type) {
368
    case 'plugins':
369
      return 'wysiwyg_plugins';
370

    
371
      break;
372
  }
373
}
374

    
375
/**
376
 * Returns the set of allowed attributes for use with WYSIWYG.
377
 *
378
 * @return array
379
 *   An array of whitelisted attributes.
380
 */
381
function media_wysiwyg_allowed_attributes() {
382
  // Support the legacy variable for this.
383
  $allowed_attributes = variable_get('media_wysiwyg_wysiwyg_allowed_attributes', array(
384
    'alt',
385
    'title',
386
    'height',
387
    'width',
388
    'hspace',
389
    'vspace',
390
    'border',
391
    'align',
392
    'style',
393
    'class',
394
    'id',
395
    'usemap',
396
    'data-picture-group',
397
    'data-picture-align',
398
    'data-picture-mapping',
399
    'data-delta',
400
  ));
401
  drupal_alter('media_wysiwyg_allowed_attributes', $allowed_attributes);
402
  return $allowed_attributes;
403
}
404

    
405
/**
406
 * Returns a drupal_render() array for just the file portion of a file entity.
407
 *
408
 * Optional custom settings can override how the file is displayed.
409
 */
410
function media_wysiwyg_get_file_without_label($file, $view_mode, $settings = array(), $langcode = NULL) {
411
  // Get the override alt & title from the fields override array. Grab the
412
  // "special" field names from the token replacement in file_entity, then see
413
  // if an override is provided and needed.
414
  $pattern = '/\[(\w+):(\w+)\]/';
415
  $alt = variable_get('file_entity_alt', '[file:field_file_image_alt_text]');
416
  $title = variable_get('file_entity_title', '[file:field_file_image_title_text]');
417
  $overrides = array(
418
    'alt' => $alt,
419
    'title' => $title,
420
  );
421
  foreach ($overrides as $field_type => $field_name) {
422
    preg_match($pattern, $field_name, $matches);
423
    if (!empty($matches[2])) {
424
      $field_name = $matches[2];
425
      $field_langcode = field_language('file', $file, $field_name);
426
      if (isset($settings['fields'][$field_name][$field_langcode]['value'])) {
427
        if (empty($settings['attributes'][$field_type])) {
428
          $settings['attributes'][$field_type] = $settings['fields'][$field_name][$field_langcode]['value'];
429
        }
430
      }
431
      if (isset($settings['fields'][$field_name][$field_langcode][0]['value'])) {
432
        if (empty($settings['attributes'][$field_type])) {
433
          $settings['attributes'][$field_type] = $settings['fields'][$field_name][$field_langcode][0]['value'];
434
        }
435
      }
436
    }
437
  }
438

    
439
  $file->override = $settings;
440

    
441
  $element = file_view_file($file, $view_mode, $langcode);
442

    
443
  // Field Translation Support.
444
  if (field_has_translation_handler('file')) {
445
    if ($field_items = field_get_items('file', $file, 'field_file_image_alt_text', $langcode)) {
446
      $value = field_view_value('file', $file, 'field_file_image_alt_text', $field_items[0], array(), $langcode);
447
      $element['#alt'] = isset($value['#markup']) ? $value['#markup'] : '';
448
    }
449
  }
450

    
451
  // The formatter invoked by file_view_file() can use $file->override to
452
  // customize the returned render array to match the requested settings. To
453
  // support simple formatters that don't do this, set the element attributes to
454
  // what was requested, but not if the formatter applied its own logic for
455
  // element attributes.
456
  if (isset($settings['attributes'])) {
457
    if (empty($element['#attributes'])) {
458
      $element['#attributes'] = $settings['attributes'];
459
    }
460

    
461
    // While this function may be called for any file type, images are a common
462
    // use-case, and image theme functions have their own structure for render
463
    // arrays.
464
    if (isset($element['#theme'])) {
465
      // theme_image() and theme_image_style() require the 'alt' attributes to
466
      // be passed separately from the 'attributes' array. (see
467
      // http://drupal.org/node/999338). Until that's fixed, implement this
468
      // special-case logic. Image formatters using other theme functions are
469
      // responsible for their own 'alt' attribute handling. See
470
      // theme_media_formatter_large_icon() for an example.
471
      if (in_array($element['#theme'], array('image', 'image_style'))) {
472
        if (empty($element['#alt']) && isset($settings['attributes']['alt'])) {
473
          $element['#alt'] = $settings['attributes']['alt'];
474
        }
475
      }
476
      // theme_image_formatter() and any potential replacements, such as
477
      // theme_colorbox_image_formatter(), also require attribute handling.
478
      elseif (strpos($element['#theme'], 'image_formatter') !== FALSE) {
479
        // theme_image_formatter() requires the attributes to be
480
        // set on the item rather than the element itself.
481
        if (empty($element['#item']['attributes'])) {
482
          $element['#item']['attributes'] = $settings['attributes'];
483
        }
484

    
485
        // theme_image_formatter() also requires alt, title, height, and
486
        // width attributes to be set on the item rather than within its
487
        // attributes array.
488
        foreach (array('alt', 'title', 'width', 'height') as $attr) {
489
          if (isset($settings['attributes'][$attr])) {
490
            $element['#item'][$attr] = $settings['attributes'][$attr];
491
          }
492
        }
493
      }
494
    }
495
  }
496

    
497
  return $element;
498
}
499

    
500
/**
501
 * Returns an array containing the names of all fields that perform text filtering.
502
 */
503
function media_wysiwyg_filter_fields_with_text_filtering($entity_type, $entity) {
504
  list($entity_id, $revision_id, $bundle) = entity_extract_ids($entity_type, $entity);
505
  $fields = field_info_instances($entity_type, $bundle);
506

    
507
  // Get all of the fields on this entity that allow text filtering.
508
  $fields_with_text_filtering = array();
509
  foreach ($fields as $field_name => $field) {
510
    if (!empty($field['settings']['text_processing'])) {
511
      $fields_with_text_filtering[] = $field_name;
512
    }
513
  }
514

    
515
  return $fields_with_text_filtering;
516
}
517

    
518
/**
519
 * Return a list of view modes allowed for a file type.
520
 *
521
 * @param string $file_type
522
 *   A file type machine name.
523
 *
524
 * @return array
525
 *   An array of view modes that can be used on the file type.
526
 */
527
function media_wysiwyg_get_file_type_view_mode_options($file_type) {
528
  $enabled_view_modes = &drupal_static(__FUNCTION__, array());
529

    
530
  // @todo Add more caching for this.
531
  if (!isset($enabled_view_modes[$file_type])) {
532
    $enabled_view_modes[$file_type] = array();
533

    
534
    // Add the default view mode by default.
535
    $enabled_view_modes[$file_type]['default'] = t('Default');
536

    
537
    $entity_info = entity_get_info('file');
538
    $view_mode_settings = field_view_mode_settings('file', $file_type);
539
    foreach ($entity_info['view modes'] as $view_mode => $view_mode_info) {
540
      // Do not show view modes that don't have their own settings and will
541
      // only fall back to the default view mode.
542
      if (empty($view_mode_settings[$view_mode]['custom_settings'])) {
543
        continue;
544
      }
545

    
546
      // Don't present the user with an option to choose a view mode in which
547
      // the file is hidden.
548
      $extra_fields = field_extra_fields_get_display('file', $file_type, $view_mode);
549
      if (empty($extra_fields['file']['visible'])) {
550
        continue;
551
      }
552

    
553
      // Add the view mode to the list of enabled view modes.
554
      $enabled_view_modes[$file_type][$view_mode] = $view_mode_info['label'];
555
    }
556
  }
557

    
558
  return $enabled_view_modes[$file_type];
559
}
560

    
561
/**
562
 * Return a list of view modes allowed for a file embedded in the WYSIWYG.
563
 *
564
 * @param object $file
565
 *   A file entity.
566
 *
567
 * @return array
568
 *   An array of view modes that can be used on the file when embedded in the
569
 *   WYSIWYG.
570
 */
571
function media_wysiwyg_get_file_view_mode_options($file) {
572
  $view_modes = media_wysiwyg_get_file_type_view_mode_options($file->type);
573
  drupal_alter('media_wysiwyg_allowed_view_modes', $view_modes, $file);
574
  // Invoke the deprecated/misspelled alter hook as well.
575
  drupal_alter('media_wysiwyg_wysiwyg_allowed_view_modes', $view_modes, $file);
576
  return $view_modes;
577
}
578

    
579
/**
580
 * Implements hook_file_displays_alter().
581
 */
582
function media_wysiwyg_file_displays_alter(&$displays, $file, $view_mode) {
583
  // Override the fields of the file when requested by the WYSIWYG.
584
  if (isset($file->override) && isset($file->override['fields'])) {
585
    $instance = field_info_instances('file', $file->type);
586
    foreach ($file->override['fields'] as $field_name => $value) {
587
      if (!isset($instance[$field_name]['settings']) || !isset($instance[$field_name]['settings']['wysiwyg_override']) || $instance[$field_name]['settings']['wysiwyg_override']) {
588
        $file->{$field_name} = $value;
589
      }
590
    }
591
  }
592
}
593

    
594
/**
595
 * Implements hook_entity_info_alter().
596
 *
597
 * Add a file type named 'WYSIWYG'.
598
 */
599
function media_wysiwyg_entity_info_alter(&$entity_info) {
600
  $entity_info['file']['view modes']['wysiwyg'] = array(
601
    'label' => t('WYSIWYG'),
602
    'custom settings' => TRUE,
603
  );
604
}
605

    
606
/**
607
 * Implements hook_form_FORM_ID_alter().
608
 *
609
 * Add select when editing file types to set wysiwyg view mode.
610
 */
611
function media_wysiwyg_form_file_entity_file_type_form_alter(&$form, &$form_state) {
612
  // #2609244 Keep media from trying to alter the File add form just edit.
613
  if (empty($form_state['build_info']['args'][0])) {
614
    return;
615
  }
616

    
617
  $options = array();
618

    
619
  // Add an option allowing users not to use a view mode.
620
  $options['none'] = t('None');
621

    
622
  // Add the default view mode by default.
623
  $options['default'] = t('Default');
624

    
625
  $entity_info = entity_get_info('file');
626
  foreach ($entity_info['view modes'] as $view_mode => $view_mode_info) {
627
    $options[$view_mode] = check_plain($view_mode_info['label']);
628
  }
629

    
630
  $file_type = $form['#file_type']->type;
631
  $view_mode = db_query('SELECT view_mode FROM {media_view_mode_wysiwyg} WHERE type = :type', array(':type' => $file_type))->fetchField();
632
  $view_mode = empty($view_mode) ? 'none' : $view_mode;
633

    
634
  $form['file_wysiwyg_view_mode'] = array(
635
    '#type' => 'select',
636
    '#title' => t('WYSIWYG view mode'),
637
    '#options' => $options,
638
    '#default_value' => $view_mode,
639
    '#description' => t('View mode to be used when displaying files inside of the WYSIWYG editor.'),
640
  );
641

    
642
  // Move submit after our select box. There might be a better way to do this.
643
  $form['submit']['#weight'] = 1;
644

    
645
  array_unshift($form['#submit'], 'media_wysiwyg_form_file_entity_file_type_form_alter_submit');
646
}
647

    
648
/**
649
 * Custom submit handler.
650
 *
651
 * Save wysiwyg view mode.
652
 *
653
 * @see media_wysiwyg_form_file_entity_file_type_form_alter().
654
 */
655
function media_wysiwyg_form_file_entity_file_type_form_alter_submit(&$form, &$form_state) {
656
  $file_type = $form['#file_type']->type;
657
  $view_mode = $form_state['values']['file_wysiwyg_view_mode'];
658
  db_delete('media_view_mode_wysiwyg')->condition('type', $file_type)->execute();
659
  if ($view_mode != 'none') {
660
    $record = array('type' => $file_type, 'view_mode' => $view_mode);
661
    drupal_write_record('media_view_mode_wysiwyg', $record);
662
  }
663
}
664

    
665
/**
666
 * Implements hook_form_FORM_ID_alter().
667
 *
668
 * Add checkbox to restrict file type view mode availability in wysiwyg.
669
 */
670
function media_wysiwyg_form_file_entity_file_display_form_alter(&$form, &$form_state) {
671
  $file_type = $form['#file_type'];
672
  $view_mode = $form['#view_mode'];
673

    
674
  if ($view_mode != 'none') {
675
    $restricted = db_query(
676
      'SELECT 1 FROM {media_restrict_wysiwyg} WHERE type = :type and display = :display',
677
      array(':type' => $file_type, ':display' => $view_mode)
678
    )->fetchField();
679
    $form['restrict_wysiwyg'] = array(
680
      '#type' => 'checkbox',
681
      '#title' => t('Restrict in WYSIWYG'),
682
      '#description' => t('If checked, then this mode will not be allowed from the WYSIWYG.'),
683
      '#default_value' => !empty($restricted),
684
    );
685
    array_unshift($form['#submit'], 'media_wysiwyg_form_file_entity_file_display_form_alter_submit');
686
  }
687

    
688
  return $form;
689
}
690

    
691
/**
692
 * Custom submit handler.
693
 *
694
 * Save restricted wysiwyg file types.
695
 *
696
 * @see media_wysiwyg_form_file_entity_file_display_form_alter().
697
 */
698
function media_wysiwyg_form_file_entity_file_display_form_alter_submit(&$form, &$form_state) {
699
  $file_type = $form['#file_type'];
700
  $view_mode = $form['#view_mode'];
701
  db_delete('media_restrict_wysiwyg')->condition('type', $file_type)->condition('display', $view_mode)->execute();
702
  if (!empty($form_state['values']['restrict_wysiwyg'])) {
703
    $record = array('type' => $file_type, 'display' => $view_mode);
704
    drupal_write_record('media_restrict_wysiwyg', $record);
705
  }
706
}
707

    
708
/**
709
 * Implements hook_media_browser_params_alter().
710
 */
711
function media_wysiwyg_media_browser_params_alter(&$params) {
712
  // Set the media browser options as defined in the interface.
713
  if (!empty($params['id']) && $params['id'] === 'media_wysiwyg') {
714
    $params = array(
715
      'enabledPlugins' => variable_get('media_wysiwyg_wysiwyg_browser_plugins', array()),
716
      'file_directory' => variable_get('media_wysiwyg_wysiwyg_upload_directory', ''),
717
      'types' => variable_get('media_wysiwyg_wysiwyg_allowed_types', array('audio', 'image', 'video', 'document')),
718
      'id' => 'media_wysiwyg',
719
    ) + $params;
720
  }
721
}