- Patch #553298 by yched, te-brian, chx, sun: redesign the 'Manage Display' screen.

includes/common.inc

@@ -6386,6 +6386,11 @@ function entity_get_info($entity_type = NULL) {
           'revision' => '',
           'bundle' => '',
         );
+        foreach ($entity_info[$name]['view modes'] as $view_mode => $view_mode_info) {
+          $entity_info[$name]['view modes'][$view_mode] += array(
+            'custom settings' => FALSE,
+          );
+        }
         // If no bundle key is provided, assume a single bundle, named after
         // the entity type.
         if (empty($entity_info[$name]['entity keys']['bundle']) && empty($entity_info[$name]['bundles'])) {

modules/blog/blog.module

@@ -77,7 +77,7 @@ function blog_view($node, $view_mode) {
 /**
  * Implements hook_node_view().
  */
-function blog_node_view($node, $view_mode = 'full') {
+function blog_node_view($node, $view_mode) {
   if ($view_mode != 'rss') {
     if ($node->type == 'blog' && (arg(0) != 'blog' || arg(1) != $node->uid)) {
       $links['blog_usernames_blog'] = array(

modules/book/book.module

@@ -240,6 +240,7 @@ function book_entity_info_alter(&$info) {
   $info['node']['view modes'] += array(
     'print' => array(
       'label' => t('Print'),
+      'custom settings' => FALSE,
     ),
   );
 }

modules/comment/comment.install

@@ -279,10 +279,12 @@ function comment_update_7012() {
     'label' => 'Comment',
     'entity_type' => 'comment',
     'settings' => array('text_processing' => 1),
-    // Hide field label by default.
+    'required' => TRUE,
     'display' => array(
-      'full' => array(
+      'default' => array(
         'label' => 'hidden',
+        'type' => 'text_default',
+        'weight' => 0,
       ),
     ),
   );

modules/comment/comment.module

@@ -108,6 +108,7 @@ function comment_entity_info() {
       'view modes' => array(
         'full' => array(
           'label' => t('Full comment'),
+          'custom settings' => FALSE,
         ),
       ),
       'static cache' => FALSE,
@@ -165,15 +166,17 @@ function comment_field_extra_fields() {
   foreach (node_type_get_types() as $type) {
     if (variable_get('comment_subject_field_' . $type->type, 1) == 1) {
       $return['comment']['comment_node_' . $type->type] = array(
-        'author' => array(
-          'label' => t('Author'),
-          'description' => t('Author textfield'),
-          'weight' => -2,
-        ),
-        'title' => array(
-          'label' => t('Subject'),
-          'description' => t('Subject textfield'),
-          'weight' => -1,
+        'form' => array(
+          'author' => array(
+            'label' => t('Author'),
+            'description' => t('Author textfield'),
+            'weight' => -2,
+          ),
+          'title' => array(
+            'label' => t('Subject'),
+            'description' => t('Subject textfield'),
+            'weight' => -1,
+          ),
         ),
       );
     }
@@ -362,10 +365,11 @@ function _comment_body_field_instance_create($info) {
     'bundle' => 'comment_node_' . $info->type,
     'settings' => array('text_processing' => 1),
     'required' => TRUE,
-    // Hides field label by default.
     'display' => array(
-      'full' => array(
+      'default' => array(
         'label' => 'hidden',
+        'type' => 'text_default',
+        'weight' => 0,
       ),
     ),
   );

modules/field/field.api.php

@@ -7,55 +7,59 @@
  */
 
 /**
- * Expose "pseudo-field" components on fieldable entities.
+ * Exposes "pseudo-field" components on fieldable entities.
  *
- * Field UI's 'Manage fields' page lets users re-order fields, but also
- * non-field components. For nodes, these include the title, menu settings, and
- * other elements exposed by contributed modules through hook_form() and
+ * Field UI's "Manage fields" and "Manage display" pages let users re-order
+ * fields, but also non-field components. For nodes, these include the title,
+ * poll choices, and other elements exposed by modules through hook_form() or
  * hook_form_alter().
  *
- * Fieldable entities or contributed modules that want to have their components
- * supported should expose them using this hook, and use
- * field_attach_extra_weight() to retrieve the user-defined weight when
- * inserting the component.
+ * Fieldable entities or modules that want to have their components supported
+ * should expose them using this hook. The user-defined settings (weight,
+ * visibility) are automatically applied on rendered forms and displayed
+ * entities in a #pre_render callback added by field_attach_form() and
+ * field_attach_view().
+ *
+ * @see _field_extra_fields_pre_render()
+ * @see hook_field_extra_fields_alter()
  *
  * @return
- *   A nested array of 'pseudo-field' components. Each list is nested within the
- *   field bundle to which those components apply. The keys are the name of the
- *   element as it appears in the form structure. The values are arrays with the
- *   following key/value pairs:
+ *   A nested array of 'pseudo-field' components. Each list is nested within
+ *   the following keys: entity type, bundle name, context (either 'form' or
+ *   'display'). The keys are the name of the elements as appearing in the
+ *   renderable array (either the entity form or the displayed entity). The
+ *   value is an associative array:
  *   - label: The human readable name of the component.
  *   - description: A short description of the component contents.
  *   - weight: The default weight of the element.
- *   - view: (optional) The name of the element as it appears in the rendered
- *     structure, if different from the name in the form.
- *
- * @see hook_field_extra_fields_alter()
  */
 function hook_field_extra_fields() {
-  $extra = array();
-
-  foreach (node_type_get_types() as $bundle) {
-    if ($type->has_title) {
-      $extra['node'][$bundle]['title'] = array(
-        'label' => $type->title_label,
-        'description' => t('Node module element.'),
-        'weight' => -5,
-      );
-    }
-  }
-  if (module_exists('poll')) {
-    $extra['node']['poll']['choice_wrapper'] = array(
-      'label' => t('Poll choices'),
-      'description' => t('Poll module choices.'),
-      'weight' => -4,
-    );
-    $extra['node']['poll']['settings'] = array(
-      'label' => t('Poll settings'),
-      'description' => t('Poll module settings.'),
-      'weight' => -3,
-    );
-  }
+  $extra['node']['poll'] = array(
+    'form' => array(
+      'choice_wrapper' => array(
+        'label' => t('Poll choices'),
+        'description' => t('Poll choices'),
+        'weight' => -4,
+      ),
+      'settings' => array(
+        'label' => t('Poll settings'),
+        'description' => t('Poll module settings'),
+        'weight' => -3,
+      ),
+    ),
+    'display' => array(
+      'poll_view_voting' => array(
+        'label' => t('Poll vote'),
+        'description' => t('Poll vote'),
+        'weight' => 0,
+      ),
+      'poll_view_results' => array(
+        'label' => t('Poll results'),
+        'description' => t('Poll results'),
+        'weight' => 0,
+      ),
+    )
+  );
 
   return $extra;
 }
@@ -1651,6 +1655,91 @@ function hook_field_storage_pre_query($field_name, $conditions, $options, &$skip
   // @todo Needs function body.
 }
 
+/**
+ * Alters the display settings of a field before it gets displayed.
+ *
+ * Note that instead of hook_field_display_alter(), which is called for all
+ * fields on all entity types, hook_field_display_ENTITY_TYPE_alter() may be
+ * used to alter display settings for fields on a specific entity type only.
+ *
+ * This hook is called once per field per displayed entity. If the result of the
+ * hook involves reading from the database, it is highly recommended to
+ * statically cache the information.
+ *
+ * @param $display
+ *   The display settings that will be used to display the field values, as
+ *   found in the 'display' key of $instance definitions.
+ * @param $context
+ *   An associative array containing:
+ *   - entity_type: The entity type; e.g. 'node' or 'user'.
+ *   - field: The field being rendered.
+ *   - instance: The instance being rendered.
+ *   - view_mode: The view mode, e.g. 'full', 'teaser'...
+ *
+ * @see hook_field_display_ENTITY_TYPE_alter()
+ */
+function hook_field_display_alter(&$display, $context) {
+  // Leave field labels out of the search index.
+  // Note: The check against $context['entity_type'] == 'node' could be avoided
+  // by using hook_field_display_node_alter() instead of
+  // hook_field_display_alter(), resulting in less function calls when
+  // rendering non-node entities.
+  if ($context['entity_type'] == 'node' && $context['view_mode'] == 'search_index') {
+    $display['label'] = 'hidden';
+  }
+}
+
+/**
+ * Alters the display settings of a field on a given entity type before it gets displayed.
+ *
+ * Modules can implement hook_field_display_ENTITY_TYPE_alter() to alter display
+ * settings for fields on a specific entity type, rather than implementing
+ * hook_field_display_alter().
+ *
+ * This hook is called once per field per displayed entity. If the result of the
+ * hook involves reading from the database, it is highly recommended to
+ * statically cache the information.
+ *
+ * @param $display
+ *   The display settings that will be used to display the field values, as
+ *   found in the 'display' key of $instance definitions.
+ * @param $context
+ *   An associative array containing:
+ *   - entity_type: The entity type; e.g. 'node' or 'user'.
+ *   - field: The field being rendered.
+ *   - instance: The instance being rendered.
+ *   - view_mode: The view mode, e.g. 'full', 'teaser'...
+ *
+ * @see hook_field_display_alter()
+ */
+function hook_field_display_ENTITY_TYPE_alter(&$display, $context) {
+  // Leave field labels out of the search index.
+  if ($context['view_mode'] == 'search_index') {
+    $display['label'] = 'hidden';
+  }
+}
+
+/**
+ * Alters the display settings of pseudo-fields before an entity is displayed.
+ *
+ * This hook is called once per displayed entity. If the result of the hook
+ * involves reading from the database, it is highly recommended to statically
+ * cache the information.
+ *
+ * @param $displays
+ *   An array of display settings for the pseudo-fields in the entity, keyed
+ *   by pseudo-field names.
+ * @param $context
+ *   An associative array containing:
+ *   - entity_type: The entity type; e.g. 'node' or 'user'.
+ *   - bundle: The bundle name.
+ *   - view_mode: The view mode, e.g. 'full', 'teaser'...
+ */
+function hook_field_extra_fields_display_alter(&$displays, $context) {
+  if ($context['entity_type'] == 'taxonomy_term' && $context['view_mode'] == 'full') {
+    $displays['description']['visibility'] = FALSE;
+  }
+}
 /**
  * @} End of "ingroup field_storage"
  */

modules/field/field.attach.inc

@@ -552,8 +552,9 @@ function field_attach_form($entity_type, $entity, &$form, &$form_state, $langcod
   // Add custom weight handling.
   list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
   $form['#attached']['css'][] = drupal_get_path('module', 'field') . '/theme/field.css';
-  $form['#pre_render'][] = '_field_extra_weights_pre_render';
-  $form['#extra_fields'] = field_extra_fields($entity_type, $bundle);
+  $form['#pre_render'][] = '_field_extra_fields_pre_render';
+  $form['#entity_type'] = $entity_type;
+  $form['#bundle'] = $bundle;
 
   // Save the original entity to allow later re-use.
   $form_state['entity'] = $entity;
@@ -1185,7 +1186,7 @@ function field_attach_query_revisions($field_id, $conditions, $options = array()
  * @param $view_mode
  *   View mode, e.g. 'full', 'teaser'...
  */
-function field_attach_prepare_view($entity_type, $entities, $view_mode = 'full') {
+function field_attach_prepare_view($entity_type, $entities, $view_mode) {
   // To ensure hooks are only run once per entity, only process items without
   // the _field_view_prepared flag.
   // @todo: resolve this more generally for both entity and field level hooks.
@@ -1250,7 +1251,7 @@ function field_attach_prepare_view($entity_type, $entities, $view_mode = 'full')
  * @return
  *   A renderable array for the field values.
  */
-function field_attach_view($entity_type, $entity, $view_mode = 'full', $langcode = NULL) {
+function field_attach_view($entity_type, $entity, $view_mode, $langcode = NULL) {
   // Determine the actual language to display for each field, given the
   // languages available in the field data.
   $display_language = field_language($entity_type, $entity, NULL, $langcode);
@@ -1262,8 +1263,9 @@ function field_attach_view($entity_type, $entity, $view_mode = 'full', $langcode
 
   // Add custom weight handling.
   list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
-  $output['#pre_render'][] = '_field_extra_weights_pre_render';
-  $output['#extra_fields'] = field_extra_fields($entity_type, $bundle);
+  $output['#pre_render'][] = '_field_extra_fields_pre_render';
+  $output['#entity_type'] = $entity_type;
+  $output['#bundle'] = $bundle;
 
   // Include CSS styles.
   $output['#attached']['css'][] = drupal_get_path('module', 'field') . '/theme/field.css';
@@ -1381,6 +1383,14 @@ function field_attach_rename_bundle($entity_type, $bundle_old, $bundle_new) {
   // Clear the cache.
   field_cache_clear();
 
+  // Update bundle settings.
+  $settings = variable_get('field_bundle_settings', array());
+  if (isset($settings[$entity_type][$bundle_old])) {
+    $settings[$entity_type][$bundle_new] = $settings[$entity_type][$bundle_old];
+    unset($settings[$entity_type][$bundle_old]);
+    variable_set('field_bundle_settings', $settings);
+  }
+
   // Let other modules act on renaming the bundle.
   module_invoke_all('field_attach_rename_bundle', $entity_type, $bundle_old, $bundle_new);
 }
@@ -1410,6 +1420,13 @@ function field_attach_delete_bundle($entity_type, $bundle) {
   // Clear the cache.
   field_cache_clear();
 
+  // Clear bundle display settings.
+  $settings = variable_get('field_bundle_settings', array());
+  if (isset($settings[$entity_type][$bundle])) {
+    unset($settings[$entity_type][$bundle]);
+    variable_set('field_bundle_settings', $settings);
+  }
+
   // Let other modules act on deleting the bundle.
   module_invoke_all('field_attach_delete_bundle', $entity_type, $bundle, $instances);
 }

modules/field/field.crud.inc

@@ -31,8 +31,7 @@
  * field_attach_load() then loads the 'subtitle' and 'photo' fields
  * because they are both attached to the 'node' bundle 'article'.
  *
- * Field definitions are (currently) represented as an array of key/value
- * pairs. The array properties are:
+ * Field definitions are represented as an array of key/value pairs.
  *
  * @param array $field:
  * - id (integer, read-only)
@@ -96,8 +95,7 @@
  *         A sub-array of key/value pairs of settings. Each storage backend
  *         defines and documents its own settings.
  *
- * Field Instance definitions are (currently) represented as an array of
- * key/value pairs. The array properties are:
+ * Field instance definitions are represented as an array of key/value pairs.
  *
  * @param array $instance:
  * - id (integer, read-only)
@@ -154,11 +152,20 @@
  *     - module (string, read-only)
  *         The name of the module that implements the widget type.
  * - display (array)
- *     A sub-array of key/value pairs identifying view modes and the way the
- *     field values should be displayed in each mode.
- *     - full (array)
- *         A sub-array of key/value pairs of the display options to be used
- *         when the field is being displayed in the "full" view mode.
+ *     A sub-array of key/value pairs identifying the way field values should
+ *     be displayed in each of the entity type's view modes, plus the 'default'
+ *     mode. For each view mode, Field UI lets site administrators define
+ *     whether they want to use a dedicated set of display options or the
+ *     'default' options to reduce the number of displays to maintain as they
+ *     add new fields. For nodes, on a fresh install, only the 'teaser' view
+ *     mode is configured to use custom display options, all other view modes
+ *     defined use the 'default' options by default. When programmatically
+ *     adding field instances on nodes, it is therefore recommended to at least
+ *     specify display options for 'default' and 'teaser'.
+ *     - default (array)
+ *         A sub-array of key/value pairs describing the display options to be
+ *         used when the field is being displayed in view modes that are not
+ *         configured to use dedicated display options.
  *         - label (string)
  *             Position of the label. 'inline', 'above' and 'hidden' are the
  *             values recognized by the default 'field' theme implementation.
@@ -172,7 +179,11 @@
  *            displayed in this view mode.
  *         - module (string, read-only)
  *             The name of the module which implements the display formatter.
- *     - teaser
+ *     - some_mode
+ *         A sub-array of key/value pairs describing the display options to be
+ *         used when the field is being displayed in the 'some_mode' view mode.
+ *         Those options will only be actually applied at run time if the view
+ *         mode is not configured to use default settings for this bundle.
  *         - ...
  *     - other_mode
  *        - ...
@@ -607,12 +618,16 @@ function field_delete_field($field_name) {
  *     - settings: each omitted setting is given the default value specified in
  *       hook_field_widget_info().
  *   - display:
- *     Settings for the 'full' view mode will be added, and each view mode
- *     will be completed with the following default values:
+ *     Settings for the 'default' view mode will be added if not present, and
+ *     each view mode in the definition will be completed with the following
+ *     default values:
  *     - label: 'above'
  *     - type: the default formatter specified in hook_field_info().
  *     - settings: each omitted setting is given the default value specified in
  *       hook_field_formatter_info().
+ *     View modes not present in the definition are left empty, and the field
+ *     will not be displayed in this mode.
+ *
  * @return
  *   The $instance array with the id property filled in.
  * @throw
@@ -730,7 +745,6 @@ function _field_write_instance($instance, $update = FALSE) {
     'required' => FALSE,
     'label' => $instance['field_name'],
     'description' => '',
-    'weight' => 0,
     'deleted' => 0,
   );
 
@@ -742,30 +756,55 @@ function _field_write_instance($instance, $update = FALSE) {
     // TODO: what if no 'default_widget' specified ?
     'type' => $field_type['default_widget'],
     'settings' => array(),
-    'weight' => 0,
   );
+  // If no weight specified, make sure the field sinks at the bottom.
+  if (!isset($instance['widget']['weight'])) {
+    $weights = array();
+    foreach (field_info_instances($instance['entity_type'], $instance['bundle']) as $existing_instance) {
+      if ($instance['field_name'] != $existing_instance['field_name']) {
+        $weights[] = $existing_instance['widget']['weight'];
+      }
+    }
+    foreach (field_extra_fields($instance['entity_type'], $instance['bundle'], 'form') as $extra) {
+      $weights[] = $extra['weight'];
+    }
+    $instance['widget']['weight'] = $weights ? max($weights) + 1 : 0;
+  }
   // Check widget module.
   $widget_type = field_info_widget_types($instance['widget']['type']);
   $instance['widget']['module'] = $widget_type['module'];
   $instance['widget']['settings'] += field_info_widget_settings($instance['widget']['type']);
 
-  // Make sure there is at least display info for the 'full' view mode.
+  // Make sure there are at least display settings for the 'default' view mode,
+  // and fill in defaults for each view mode specified in the definition.
   $instance['display'] += array(
-    'full' => array(),
+    'default' => array(),
   );
-  // Set default display settings for each view mode.
   foreach ($instance['display'] as $view_mode => $display) {
-    $instance['display'][$view_mode] += array(
+    $display += array(
       'label' => 'above',
-      // TODO: what if no 'default_formatter' specified ?
-      'type' => $field_type['default_formatter'],
+      'type' => isset($field_type['default_formatter']) ? $field_type['default_formatter'] : 'hidden',
       'settings' => array(),
-      'weight' => 0,
     );
-    $formatter_type = field_info_formatter_types($instance['display'][$view_mode]['type']);
-    // TODO : 'hidden' will raise PHP warnings.
-    $instance['display'][$view_mode]['module'] = $formatter_type['module'];
-    $instance['display'][$view_mode]['settings'] += field_info_formatter_settings($instance['display'][$view_mode]['type']);
+    if ($display['type'] != 'hidden') {
+      $formatter_type = field_info_formatter_types($display['type']);
+      $display['module'] = $formatter_type['module'];
+      $display['settings'] += field_info_formatter_settings($display['type']);
+    }
+    // If no weight specified, make sure the field sinks at the bottom.
+    if (!isset($display['weight'])) {
+      $weights = array();
+      foreach (field_info_instances($instance['entity_type'], $instance['bundle']) as $existing_instance) {
+        if ($instance['field_name'] != $existing_instance['field_name']) {
+          $weights[] = $existing_instance['display'][$view_mode]['weight'];
+        }
+      }
+      foreach (field_extra_fields($instance['entity_type'], $instance['bundle'], 'display') as $extra) {
+        $weights[] = $extra['display'][$view_mode]['weight'];
+      }
+      $display['weight'] = $weights ? max($weights) + 1 : 0;
+    }
+    $instance['display'][$view_mode] = $display;
   }
 
   // The serialized 'data' column contains everything from $instance that does

modules/field/field.default.inc

@@ -132,7 +132,10 @@ function field_default_prepare_view($entity_type, $entities, $field, $instances,
   // Group entities, instances and items by formatter module.
   $modules = array();
   foreach ($instances as $id => $instance) {
-    $display = is_string($display) ? $instance['display'][$display] : $display;
+    if (is_string($display)) {
+      $view_mode = $display;
+      $display = field_get_display($instance, $view_mode);
+    }
     if ($display['type'] !== 'hidden') {
       $module = $display['module'];
       $modules[$module] = $module;
@@ -183,18 +186,13 @@ function field_default_view($entity_type, $entity, $field, $instance, $langcode,
   // Prepare incoming display specifications.
   if (is_string($display)) {
     $view_mode = $display;
-    $display = $instance['display'][$view_mode];
+    $display = field_get_display($instance, $view_mode);
   }
   else {
     $view_mode = '_custom_display';
   }
 
   if ($display['type'] !== 'hidden') {
-    // We never want to index fields labels.
-    if ($view_mode == 'search_index') {
-      $display['label'] = 'hidden';
-    }
-
     // Calling the formatter function through module_invoke() can have a
     // performance impact on pages with many fields and values.
     $function = $display['module'] . '_field_formatter_view';

modules/field/field.info.inc

@@ -290,11 +290,16 @@ function _field_info_prepare_instance($instance, $field) {
     $instance['display'][$view_mode] = _field_info_prepare_instance_display($field, $display);
   }
 
-  // Fallback to 'full' display settings for unspecified view modes.
+  // Fallback to 'hidden' for unspecified view modes.
   $entity_info = entity_get_info($instance['entity_type']);
   foreach ($entity_info['view modes'] as $view_mode => $info) {
     if (!isset($instance['display'][$view_mode])) {
-      $instance['display'][$view_mode] = $instance['display']['full'];
+      $instance['display'][$view_mode] = array(
+        'type' => 'hidden',
+        'label' => 'above',
+        'settings' => array(),
+        'weight' => 0,
+      );
     }
   }
 

modules/field/field.module

@@ -365,75 +365,308 @@ function _field_sort_items_value_helper($a, $b) {
 }
 
 /**
- * Registry of pseudo-field components in a given bundle.
+ * Gets or sets administratively defined bundle settings.
+ *
+ * For each bundle, settings are provided as a nested array with the following
+ * structure:
+ * @code
+ * array(
+ *   'view_modes' => array(
+ *     // One sub-array per view mode for the entity type:
+ *     'full' => array(
+ *       'custom_display' => Whether the view mode uses custom display
+ *         settings or settings of the 'default' mode,
+ *     ),
+ *     'teaser' => ...
+ *   ),
+ *   'extra_fields' => array(
+ *     'form' => array(
+ *       // One sub-array per pseudo-field in displayed entities:
+ *       'extra_field_1' => array(
+ *         'weight' => The weight of the pseudo-field,
+ *       ),
+ *       'extra_field_2' => ...
+ *     ),
+ *     'display' => array(
+ *       // One sub-array per pseudo-field in displayed entities:
+ *       'extra_field_1' => array(
+ *         // One sub-array per view mode for the entity type, including
+ *         // the 'default' mode:
+ *         'default' => array(
+ *           'weight' => The weight of the pseudo-field,
+ *           'visibility' => Whether the pseudo-field is visible or hidden,
+ *         ),
+ *         'full' => ...
+ *       ),
+ *       'extra_field_2' => ...
+ *     ),
+ *   ),
+ * ),
+ * @encode
  *
  * @param $entity_type
  *   The type of $entity; e.g. 'node' or 'user'.
  * @param $bundle
  *   The bundle name.
+ * @param $settings
+ *   (optional) The settings to store.
+ *
+ * @return
+ *   If no $settings are passed, the current settings are returned.
+ */
+function field_bundle_settings($entity_type, $bundle, $settings = NULL) {
+  $stored_settings = variable_get('field_bundle_settings', array());
+
+  if (isset($settings)) {
+    $stored_settings[$entity_type][$bundle] = $settings;