D7net Mini Sh3LL v1
| Current File : /var/www/html/antarctic-drupal-7.89/modules/../modules/field_ui/field_ui.admin.inc |
<?php
/**
* @file
* Administrative interface for custom field type creation.
*/
/**
* Menu callback; lists all defined fields for quick reference.
*/
function field_ui_fields_list() {
$instances = field_info_instances();
$field_types = field_info_field_types();
$bundles = field_info_bundles();
$modules = system_rebuild_module_data();
$header = array(t('Field name'), t('Field type'), t('Used in'));
$rows = array();
foreach ($instances as $entity_type => $type_bundles) {
foreach ($type_bundles as $bundle => $bundle_instances) {
foreach ($bundle_instances as $field_name => $instance) {
$field = field_info_field($field_name);
// Initialize the row if we encounter the field for the first time.
if (!isset($rows[$field_name])) {
$rows[$field_name]['class'] = $field['locked'] ? array('menu-disabled') : array('');
$rows[$field_name]['data'][0] = $field['locked'] ? t('@field_name (Locked)', array('@field_name' => $field_name)) : $field_name;
$module_name = $field_types[$field['type']]['module'];
$rows[$field_name]['data'][1] = $field_types[$field['type']]['label'] . ' ' . t('(module: !module)', array('!module' => $modules[$module_name]->info['name']));
}
// Add the current instance.
$admin_path = _field_ui_bundle_admin_path($entity_type, $bundle);
$rows[$field_name]['data'][2][] = $admin_path ? l($bundles[$entity_type][$bundle]['label'], $admin_path . '/fields') : $bundles[$entity_type][$bundle]['label'];
}
}
}
foreach ($rows as $field_name => $cell) {
$rows[$field_name]['data'][2] = implode(', ', $cell['data'][2]);
}
if (empty($rows)) {
$output = t('No fields have been defined yet.');
}
else {
// Sort rows by field name.
ksort($rows);
$output = theme('table', array('header' => $header, 'rows' => $rows));
}
return $output;
}
/**
* Displays a message listing the inactive fields of a given bundle.
*/
function field_ui_inactive_message($entity_type, $bundle) {
$inactive_instances = field_ui_inactive_instances($entity_type, $bundle);
if (!empty($inactive_instances)) {
$field_types = field_info_field_types();
$widget_types = field_info_widget_types();
foreach ($inactive_instances as $field_name => $instance) {
$list[] = t('%field (@field_name) field requires the %widget_type widget provided by %widget_module module', array(
'%field' => $instance['label'],
'@field_name' => $instance['field_name'],
'%widget_type' => isset($widget_types[$instance['widget']['type']]) ? $widget_types[$instance['widget']['type']]['label'] : $instance['widget']['type'],
'%widget_module' => $instance['widget']['module'],
));
}
drupal_set_message(t('Inactive fields are not shown unless their providing modules are enabled. The following fields are not enabled: !list', array('!list' => theme('item_list', array('items' => $list)))), 'error');
}
}
/**
* Determines the rendering order of an array representing a tree.
*
* Callback for array_reduce() within field_ui_table_pre_render().
*/
function _field_ui_reduce_order($array, $a) {
$array = !isset($array) ? array() : $array;
if ($a['name']) {
$array[] = $a['name'];
}
if (!empty($a['children'])) {
uasort($a['children'], 'drupal_sort_weight');
$array = array_merge($array, array_reduce($a['children'], '_field_ui_reduce_order'));
}
return $array;
}
/**
* Returns the region to which a row in the 'Manage fields' screen belongs.
*
* This function is used as a #region_callback in
* field_ui_field_overview_form(). It is called during
* field_ui_table_pre_render().
*/
function field_ui_field_overview_row_region($row) {
switch ($row['#row_type']) {
case 'field':
case 'extra_field':
return 'main';
case 'add_new_field':
// If no input in 'label', assume the row has not been dragged out of the
// 'add new' section.
return (!empty($row['label']['#value']) ? 'main' : 'add_new');
}
}
/**
* Returns the region to which a row in the 'Manage display' screen belongs.
*
* This function is used as a #region_callback in
* field_ui_field_overview_form(), and is called during
* field_ui_table_pre_render().
*/
function field_ui_display_overview_row_region($row) {
switch ($row['#row_type']) {
case 'field':
case 'extra_field':
return ($row['format']['type']['#value'] == 'hidden' ? 'hidden' : 'visible');
}
}
/**
* Pre-render callback for field_ui_table elements.
*/
function field_ui_table_pre_render($elements) {
$js_settings = array();
// For each region, build the tree structure from the weight and parenting
// data contained in the flat form structure, to determine row order and
// indentation.
$regions = $elements['#regions'];
$tree = array('' => array('name' => '', 'children' => array()));
$trees = array_fill_keys(array_keys($regions), $tree);
$parents = array();
$list = drupal_map_assoc(element_children($elements));
// Iterate on rows until we can build a known tree path for all of them.
while ($list) {
foreach ($list as $name) {
$row = &$elements[$name];
$parent = $row['parent_wrapper']['parent']['#value'];
// Proceed if parent is known.
if (empty($parent) || isset($parents[$parent])) {
// Grab parent, and remove the row from the next iteration.
$parents[$name] = $parent ? array_merge($parents[$parent], array($parent)) : array();
unset($list[$name]);
// Determine the region for the row.
$function = $row['#region_callback'];
$region_name = $function($row);
// Add the element in the tree.
$target = &$trees[$region_name][''];
foreach ($parents[$name] as $key) {
$target = &$target['children'][$key];
}
$target['children'][$name] = array('name' => $name, 'weight' => $row['weight']['#value']);
// Add tabledrag indentation to the first row cell.
if ($depth = count($parents[$name])) {
$children = element_children($row);
$cell = current($children);
$row[$cell]['#prefix'] = theme('indentation', array('size' => $depth)) . (isset($row[$cell]['#prefix']) ? $row[$cell]['#prefix'] : '');
}
// Add row id and associate JS settings.
$id = drupal_html_class($name);
$row['#attributes']['id'] = $id;
if (isset($row['#js_settings'])) {
$row['#js_settings'] += array(
'rowHandler' => $row['#row_type'],
'name' => $name,
'region' => $region_name,
);
$js_settings[$id] = $row['#js_settings'];
}
}
}
}
// Determine rendering order from the tree structure.
foreach ($regions as $region_name => $region) {
$elements['#regions'][$region_name]['rows_order'] = array_reduce($trees[$region_name], '_field_ui_reduce_order');
}
$elements['#attached']['js'][] = array(
'type' => 'setting',
'data' => array('fieldUIRowsData' => $js_settings),
);
return $elements;
}
/**
* Returns HTML for Field UI overview tables.
*
* @param $variables
* An associative array containing:
* - elements: An associative array containing a Form API structure to be
* rendered as a table.
*
* @ingroup themeable
*/
function theme_field_ui_table($variables) {
$elements = $variables['elements'];
$table = array();
$js_settings = array();
// Add table headers and attributes.
foreach (array('header', 'attributes') as $key) {
if (isset($elements["#$key"])) {
$table[$key] = $elements["#$key"];
}
}
// Determine the colspan to use for region rows, by checking the number of
// columns in the headers.
$columns_count = 0;
foreach ($table['header'] as $header) {
$columns_count += (is_array($header) && isset($header['colspan']) ? $header['colspan'] : 1);
}
// Render rows, region by region.
foreach ($elements['#regions'] as $region_name => $region) {
$region_name_class = drupal_html_class($region_name);
// Add region rows.
if (isset($region['title'])) {
$table['rows'][] = array(
'class' => array('region-title', 'region-' . $region_name_class . '-title'),
'no_striping' => TRUE,
'data' => array(
array('data' => $region['title'], 'colspan' => $columns_count),
),
);
}
if (isset($region['message'])) {
$class = (empty($region['rows_order']) ? 'region-empty' : 'region-populated');
$table['rows'][] = array(
'class' => array('region-message', 'region-' . $region_name_class . '-message', $class),
'no_striping' => TRUE,
'data' => array(
array('data' => $region['message'], 'colspan' => $columns_count),
),
);
}
// Add form rows, in the order determined at pre-render time.
foreach ($region['rows_order'] as $name) {
$element = $elements[$name];
$row = array('data' => array());
if (isset($element['#attributes'])) {
$row += $element['#attributes'];
}
// Render children as table cells.
foreach (element_children($element) as $cell_key) {
$child = &$element[$cell_key];
// Do not render a cell for children of #type 'value'.
if (!(isset($child['#type']) && $child['#type'] == 'value')) {
$cell = array('data' => drupal_render($child));
if (isset($child['#cell_attributes'])) {
$cell += $child['#cell_attributes'];
}
$row['data'][] = $cell;
}
}
$table['rows'][] = $row;
}
}
return theme('table', $table);
}
/**
* Form constructor for the 'Manage fields' form of a bundle.
*
* Allows fields and pseudo-fields to be re-ordered.
*
* @see field_ui_field_overview_form_validate()
* @see field_ui_field_overview_form_submit()
* @ingroup forms
*/
function field_ui_field_overview_form($form, &$form_state, $entity_type, $bundle) {
$bundle = field_extract_bundle($entity_type, $bundle);
field_ui_inactive_message($entity_type, $bundle);
$admin_path = _field_ui_bundle_admin_path($entity_type, $bundle);
// When displaying the form, make sure the list of fields is up-to-date.
if (empty($form_state['post'])) {
field_info_cache_clear();
}
// Gather bundle information.
$instances = field_info_instances($entity_type, $bundle);
$field_types = field_info_field_types();
$widget_types = field_info_widget_types();
$extra_fields = field_info_extra_fields($entity_type, $bundle, 'form');
$form += array(
'#entity_type' => $entity_type,
'#bundle' => $bundle,
'#fields' => array_keys($instances),
'#extra' => array_keys($extra_fields),
);
$table = array(
'#type' => 'field_ui_table',
'#tree' => TRUE,
'#header' => array(
t('Label'),
t('Weight'),
t('Parent'),
t('Machine name'),
t('Field type'),
t('Widget'),
array('data' => t('Operations'), 'colspan' => 2),
),
'#parent_options' => array(),
'#regions' => array(
'main' => array('message' => t('No fields are present yet.')),
'add_new' => array('title' => ' '),
),
'#attributes' => array(
'class' => array('field-ui-overview'),
'id' => 'field-overview',
),
);
// Fields.
foreach ($instances as $name => $instance) {
$field = field_info_field($instance['field_name']);
$admin_field_path = $admin_path . '/fields/' . $instance['field_name'];
$table[$name] = array(
'#attributes' => array('class' => array('draggable', 'tabledrag-leaf')),
'#row_type' => 'field',
'#region_callback' => 'field_ui_field_overview_row_region',
'label' => array(
'#markup' => check_plain($instance['label']),
),
'weight' => array(
'#type' => 'textfield',
'#title' => t('Weight for @title', array('@title' => $instance['label'])),
'#title_display' => 'invisible',
'#default_value' => $instance['widget']['weight'],
'#size' => 3,
'#attributes' => array('class' => array('field-weight')),
),
'parent_wrapper' => array(
'parent' => array(
'#type' => 'select',
'#title' => t('Parent for @title', array('@title' => $instance['label'])),
'#title_display' => 'invisible',
'#options' => $table['#parent_options'],
'#empty_value' => '',
'#attributes' => array('class' => array('field-parent')),
'#parents' => array('fields', $name, 'parent'),
),
'hidden_name' => array(
'#type' => 'hidden',
'#default_value' => $name,
'#attributes' => array('class' => array('field-name')),
),
),
'field_name' => array(
'#markup' => $instance['field_name'],
),
'type' => array(
'#type' => 'link',
'#title' => t($field_types[$field['type']]['label']),
'#href' => $admin_field_path . '/field-settings',
'#options' => array('attributes' => array('title' => t('Edit field settings.'))),
),
'widget_type' => array(
'#type' => 'link',
'#title' => t($widget_types[$instance['widget']['type']]['label']),
'#href' => $admin_field_path . '/widget-type',
'#options' => array('attributes' => array('title' => t('Change widget type.'))),
),
'edit' => array(
'#type' => 'link',
'#title' => t('edit'),
'#href' => $admin_field_path,
'#options' => array('attributes' => array('title' => t('Edit instance settings.'))),
),
'delete' => array(
'#type' => 'link',
'#title' => t('delete'),
'#href' => $admin_field_path . '/delete',
'#options' => array('attributes' => array('title' => t('Delete instance.'))),
),
);
if (!empty($instance['locked'])) {
$table[$name]['edit'] = array('#value' => t('Locked'));
$table[$name]['delete'] = array();
$table[$name]['#attributes']['class'][] = 'menu-disabled';
}
}
// Non-field elements.
foreach ($extra_fields as $name => $extra_field) {
$table[$name] = array(
'#attributes' => array('class' => array('draggable', 'tabledrag-leaf')),
'#row_type' => 'extra_field',
'#region_callback' => 'field_ui_field_overview_row_region',
'label' => array(
'#markup' => check_plain($extra_field['label']),
),
'weight' => array(
'#type' => 'textfield',
'#default_value' => $extra_field['weight'],
'#size' => 3,
'#attributes' => array('class' => array('field-weight')),
'#title_display' => 'invisible',
'#title' => t('Weight for @title', array('@title' => $extra_field['label'])),
),
'parent_wrapper' => array(
'parent' => array(
'#type' => 'select',
'#title' => t('Parent for @title', array('@title' => $extra_field['label'])),
'#title_display' => 'invisible',
'#options' => $table['#parent_options'],
'#empty_value' => '',
'#attributes' => array('class' => array('field-parent')),
'#parents' => array('fields', $name, 'parent'),
),
'hidden_name' => array(
'#type' => 'hidden',
'#default_value' => $name,
'#attributes' => array('class' => array('field-name')),
),
),
'field_name' => array(
'#markup' => $name,
),
'type' => array(
'#markup' => isset($extra_field['description']) ? $extra_field['description'] : '',
'#cell_attributes' => array('colspan' => 2),
),
'edit' => array(
'#markup' => isset($extra_field['edit']) ? $extra_field['edit'] : '',
),
'delete' => array(
'#markup' => isset($extra_field['delete']) ? $extra_field['delete'] : '',
),
);
}
// Additional row: add new field.
$max_weight = field_info_max_weight($entity_type, $bundle, 'form');
$field_type_options = field_ui_field_type_options();
$widget_type_options = field_ui_widget_type_options(NULL, TRUE);
if ($field_type_options && $widget_type_options) {
$name = '_add_new_field';
$table[$name] = array(
'#attributes' => array('class' => array('draggable', 'tabledrag-leaf', 'add-new')),
'#row_type' => 'add_new_field',
'#region_callback' => 'field_ui_field_overview_row_region',
'label' => array(
'#type' => 'textfield',
'#title' => t('New field label'),
'#title_display' => 'invisible',
'#size' => 15,
'#description' => t('Label'),
'#prefix' => '<div class="label-input"><div class="add-new-placeholder">' . t('Add new field') .'</div>',
'#suffix' => '</div>',
),
'weight' => array(
'#type' => 'textfield',
'#default_value' => $max_weight + 1,
'#size' => 3,
'#title_display' => 'invisible',
'#title' => t('Weight for new field'),
'#attributes' => array('class' => array('field-weight')),
'#prefix' => '<div class="add-new-placeholder"> </div>',
),
'parent_wrapper' => array(
'parent' => array(
'#type' => 'select',
'#title' => t('Parent for new field'),
'#title_display' => 'invisible',
'#options' => $table['#parent_options'],
'#empty_value' => '',
'#attributes' => array('class' => array('field-parent')),
'#prefix' => '<div class="add-new-placeholder"> </div>',
'#parents' => array('fields', $name, 'parent'),
),
'hidden_name' => array(
'#type' => 'hidden',
'#default_value' => $name,
'#attributes' => array('class' => array('field-name')),
),
),
'field_name' => array(
'#type' => 'machine_name',
'#title' => t('New field name'),
'#title_display' => 'invisible',
// This field should stay LTR even for RTL languages.
'#field_prefix' => '<span dir="ltr">field_',
'#field_suffix' => '</span>‎',
'#size' => 15,
'#description' => t('A unique machine-readable name containing letters, numbers, and underscores.'),
// 32 characters minus the 'field_' prefix.
'#maxlength' => 26,
'#prefix' => '<div class="add-new-placeholder"> </div>',
'#machine_name' => array(
'source' => array('fields', $name, 'label'),
'exists' => '_field_ui_field_name_exists',
'standalone' => TRUE,
'label' => '',
),
'#required' => FALSE,
),
'type' => array(
'#type' => 'select',
'#title' => t('Type of new field'),
'#title_display' => 'invisible',
'#options' => $field_type_options,
'#empty_option' => t('- Select a field type -'),
'#description' => t('Type of data to store.'),
'#attributes' => array('class' => array('field-type-select')),
'#prefix' => '<div class="add-new-placeholder"> </div>',
),
'widget_type' => array(
'#type' => 'select',
'#title' => t('Widget for new field'),
'#title_display' => 'invisible',
'#options' => $widget_type_options,
'#empty_option' => t('- Select a widget -'),
'#description' => t('Form element to edit the data.'),
'#attributes' => array('class' => array('widget-type-select')),
'#cell_attributes' => array('colspan' => 3),
'#prefix' => '<div class="add-new-placeholder"> </div>',
),
// Place the 'translatable' property as an explicit value so that contrib
// modules can form_alter() the value for newly created fields.
'translatable' => array(
'#type' => 'value',
'#value' => FALSE,
),
);
}
// Additional row: add existing field.
$existing_fields = field_ui_existing_field_options($entity_type, $bundle);
if ($existing_fields && $widget_type_options) {
// Build list of options.
$existing_field_options = array();
foreach ($existing_fields as $field_name => $info) {
$text = t('@type: @field (@label)', array(
'@type' => $info['type_label'],
'@label' => $info['label'],
'@field' => $info['field'],
));
$existing_field_options[$field_name] = truncate_utf8($text, 80, FALSE, TRUE);
}
asort($existing_field_options);
$name = '_add_existing_field';
$table[$name] = array(
'#attributes' => array('class' => array('draggable', 'tabledrag-leaf', 'add-new')),
'#row_type' => 'add_new_field',
'#region_callback' => 'field_ui_field_overview_row_region',
'label' => array(
'#type' => 'textfield',
'#title' => t('Existing field label'),
'#title_display' => 'invisible',
'#size' => 15,
'#description' => t('Label'),
'#attributes' => array('class' => array('label-textfield')),
'#prefix' => '<div class="label-input"><div class="add-new-placeholder">' . t('Add existing field') .'</div>',
'#suffix' => '</div>',
),
'weight' => array(
'#type' => 'textfield',
'#default_value' => $max_weight + 2,
'#size' => 3,
'#title_display' => 'invisible',
'#title' => t('Weight for added field'),
'#attributes' => array('class' => array('field-weight')),
'#prefix' => '<div class="add-new-placeholder"> </div>',
),
'parent_wrapper' => array(
'parent' => array(
'#type' => 'select',
'#title' => t('Parent for existing field'),
'#title_display' => 'invisible',
'#options' => $table['#parent_options'],
'#empty_value' => '',
'#attributes' => array('class' => array('field-parent')),
'#prefix' => '<div class="add-new-placeholder"> </div>',
'#parents' => array('fields', $name, 'parent'),
),
'hidden_name' => array(
'#type' => 'hidden',
'#default_value' => $name,
'#attributes' => array('class' => array('field-name')),
),
),
'field_name' => array(
'#type' => 'select',
'#title' => t('Existing field to share'),
'#title_display' => 'invisible',
'#options' => $existing_field_options,
'#empty_option' => t('- Select an existing field -'),
'#description' => t('Field to share'),
'#attributes' => array('class' => array('field-select')),
'#cell_attributes' => array('colspan' => 2),
'#prefix' => '<div class="add-new-placeholder"> </div>',
),
'widget_type' => array(
'#type' => 'select',
'#title' => t('Widget for existing field'),
'#title_display' => 'invisible',
'#options' => $widget_type_options,
'#empty_option' => t('- Select a widget -'),
'#description' => t('Form element to edit the data.'),
'#attributes' => array('class' => array('widget-type-select')),
'#cell_attributes' => array('colspan' => 3),
'#prefix' => '<div class="add-new-placeholder"> </div>',
),
);
}
$form['fields'] = $table;
$form['actions'] = array('#type' => 'actions');
$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save'));
$form['#attached']['css'][] = drupal_get_path('module', 'field_ui') . '/field_ui.css';
$form['#attached']['js'][] = drupal_get_path('module', 'field_ui') . '/field_ui.js';
// Add settings for the update selects behavior.
$js_fields = array();
foreach ($existing_fields as $field_name => $info) {
$js_fields[$field_name] = array('label' => $info['label'], 'type' => $info['type'], 'widget' => $info['widget_type']);
}
$form['#attached']['js'][] = array(
'type' => 'setting',
'data' => array('fields' => $js_fields, 'fieldWidgetTypes' => field_ui_widget_type_options()),
);
// Add tabledrag behavior.
$form['#attached']['drupal_add_tabledrag'][] = array('field-overview', 'order', 'sibling', 'field-weight');
$form['#attached']['drupal_add_tabledrag'][] = array('field-overview', 'match', 'parent', 'field-parent', 'field-parent', 'field-name');
return $form;
}
/**
* Form validation handler for field_ui_field_overview_form().
*
* @see field_ui_field_overview_form_submit()
*/
function field_ui_field_overview_form_validate($form, &$form_state) {
_field_ui_field_overview_form_validate_add_new($form, $form_state);
_field_ui_field_overview_form_validate_add_existing($form, $form_state);
}
/**
* Validates the 'add new field' row of field_ui_field_overview_form().
*
* @see field_ui_field_overview_form_validate()
*/
function _field_ui_field_overview_form_validate_add_new($form, &$form_state) {
$field = $form_state['values']['fields']['_add_new_field'];
// Validate if any information was provided in the 'add new field' row.
if (array_filter(array($field['label'], $field['field_name'], $field['type'], $field['widget_type']))) {
// Missing label.
if (!$field['label']) {
form_set_error('fields][_add_new_field][label', t('Add new field: you need to provide a label.'));
}
// Missing field name.
if (!$field['field_name']) {
form_set_error('fields][_add_new_field][field_name', t('Add new field: you need to provide a field name.'));
}
// Field name validation.
else {
$field_name = $field['field_name'];
// Add the 'field_' prefix.
$field_name = 'field_' . $field_name;
form_set_value($form['fields']['_add_new_field']['field_name'], $field_name, $form_state);
}
// Missing field type.
if (!$field['type']) {
form_set_error('fields][_add_new_field][type', t('Add new field: you need to select a field type.'));
}
// Missing widget type.
if (!$field['widget_type']) {
form_set_error('fields][_add_new_field][widget_type', t('Add new field: you need to select a widget.'));
}
// Wrong widget type.
elseif ($field['type']) {
$widget_types = field_ui_widget_type_options($field['type']);
if (!isset($widget_types[$field['widget_type']])) {
form_set_error('fields][_add_new_field][widget_type', t('Add new field: invalid widget.'));
}
}
}
}
/**
* Render API callback: Checks if a field machine name is taken.
*
* @param $value
* The machine name, not prefixed with 'field_'.
*
* @return
* Whether or not the field machine name is taken.
*/
function _field_ui_field_name_exists($value) {
// Prefix with 'field_'.
$field_name = 'field_' . $value;
// We need to check inactive fields as well, so we can't use
// field_info_fields().
return (bool) field_read_fields(array('field_name' => $field_name), array('include_inactive' => TRUE));
}
/**
* Validates the 'add existing field' row of field_ui_field_overview_form().
*
* @see field_ui_field_overview_form_validate()
*/
function _field_ui_field_overview_form_validate_add_existing($form, &$form_state) {
// The form element might be absent if no existing fields can be added to
// this bundle.
if (isset($form_state['values']['fields']['_add_existing_field'])) {
$field = $form_state['values']['fields']['_add_existing_field'];
// Validate if any information was provided in the 'add existing field' row.
if (array_filter(array($field['label'], $field['field_name'], $field['widget_type']))) {
// Missing label.
if (!$field['label']) {
form_set_error('fields][_add_existing_field][label', t('Add existing field: you need to provide a label.'));
}
// Missing existing field name.
if (!$field['field_name']) {
form_set_error('fields][_add_existing_field][field_name', t('Add existing field: you need to select a field.'));
}
// Missing widget type.
if (!$field['widget_type']) {
form_set_error('fields][_add_existing_field][widget_type', t('Add existing field: you need to select a widget.'));
}
// Wrong widget type.
elseif ($field['field_name'] && ($existing_field = field_info_field($field['field_name']))) {
$widget_types = field_ui_widget_type_options($existing_field['type']);
if (!isset($widget_types[$field['widget_type']])) {
form_set_error('fields][_add_existing_field][widget_type', t('Add existing field: invalid widget.'));
}
}
}
}
}
/**
* Form submission handler for field_ui_field_overview_form().
*
* @see field_ui_field_overview_form_validate()
*/
function field_ui_field_overview_form_submit($form, &$form_state) {
$form_values = $form_state['values']['fields'];
$entity_type = $form['#entity_type'];
$bundle = $form['#bundle'];
$admin_path = _field_ui_bundle_admin_path($entity_type, $bundle);
$bundle_settings = field_bundle_settings($entity_type, $bundle);
// Update field weights.
foreach ($form_values as $key => $values) {
if (in_array($key, $form['#fields'])) {
$instance = field_read_instance($entity_type, $key, $bundle);
$instance['widget']['weight'] = $values['weight'];
field_update_instance($instance);
}
elseif (in_array($key, $form['#extra'])) {
$bundle_settings['extra_fields']['form'][$key]['weight'] = $values['weight'];
}
}
field_bundle_settings($entity_type, $bundle, $bundle_settings);
$destinations = array();
// Create new field.
$field = array();
if (!empty($form_values['_add_new_field']['field_name'])) {
$values = $form_values['_add_new_field'];
$field = array(
'field_name' => $values['field_name'],
'type' => $values['type'],
'translatable' => $values['translatable'],
);
$instance = array(
'field_name' => $field['field_name'],
'entity_type' => $entity_type,
'bundle' => $bundle,
'label' => $values['label'],
'widget' => array(
'type' => $values['widget_type'],
'weight' => $values['weight'],
),
);
// Create the field and instance.
try {
field_create_field($field);
field_create_instance($instance);
$destinations[] = $admin_path . '/fields/' . $field['field_name'] . '/field-settings';
$destinations[] = $admin_path . '/fields/' . $field['field_name'];
// Store new field information for any additional submit handlers.
$form_state['fields_added']['_add_new_field'] = $field['field_name'];
}
catch (Exception $e) {
drupal_set_message(t('There was a problem creating field %label: !message', array('%label' => $instance['label'], '!message' => $e->getMessage())), 'error');
}
}
// Add existing field.
if (!empty($form_values['_add_existing_field']['field_name'])) {
$values = $form_values['_add_existing_field'];
$field = field_info_field($values['field_name']);
if (!empty($field['locked'])) {
drupal_set_message(t('The field %label cannot be added because it is locked.', array('%label' => $values['label'])), 'error');
}
else {
$instance = array(
'field_name' => $field['field_name'],
'entity_type' => $entity_type,
'bundle' => $bundle,
'label' => $values['label'],
'widget' => array(
'type' => $values['widget_type'],
'weight' => $values['weight'],
),
);
try {
field_create_instance($instance);
$destinations[] = $admin_path . '/fields/' . $instance['field_name'] . '/edit';
// Store new field information for any additional submit handlers.
$form_state['fields_added']['_add_existing_field'] = $instance['field_name'];
}
catch (Exception $e) {
drupal_set_message(t('There was a problem creating field instance %label: @message.', array('%label' => $instance['label'], '@message' => $e->getMessage())), 'error');
}
}
}
if ($destinations) {
$destination = drupal_get_destination();
$destinations[] = $destination['destination'];
unset($_GET['destination']);
$form_state['redirect'] = field_ui_get_destinations($destinations);
}
else {
drupal_set_message(t('Your settings have been saved.'));
}
}
/**
* Form constructor for the field display settings for a given view mode.
*
* @see field_ui_display_overview_multistep_submit()
* @see field_ui_display_overview_form_submit()
* @ingroup forms
*/
function field_ui_display_overview_form($form, &$form_state, $entity_type, $bundle, $view_mode) {
$bundle = field_extract_bundle($entity_type, $bundle);
field_ui_inactive_message($entity_type, $bundle);
$admin_path = _field_ui_bundle_admin_path($entity_type, $bundle);
// Gather type information.
$instances = field_info_instances($entity_type, $bundle);
$field_types = field_info_field_types();
$extra_fields = field_info_extra_fields($entity_type, $bundle, 'display');
$form_state += array(
'formatter_settings_edit' => NULL,
);
$form += array(
'#entity_type' => $entity_type,
'#bundle' => $bundle,
'#view_mode' => $view_mode,
'#fields' => array_keys($instances),
'#extra' => array_keys($extra_fields),
);
if (empty($instances) && empty($extra_fields)) {
drupal_set_message(t('There are no fields yet added. You can add new fields on the <a href="@link">Manage fields</a> page.', array('@link' => url($admin_path . '/fields'))), 'warning');
return $form;
}
$table = array(
'#type' => 'field_ui_table',
'#tree' => TRUE,
'#header' => array(
t('Field'),
t('Weight'),
t('Parent'),
t('Label'),
array('data' => t('Format'), 'colspan' => 3),
),
'#regions' => array(
'visible' => array('message' => t('No field is displayed.')),
'hidden' => array('title' => t('Hidden'), 'message' => t('No field is hidden.')),
),
'#parent_options' => array(),
'#attributes' => array(
'class' => array('field-ui-overview'),
'id' => 'field-display-overview',
),
// Add Ajax wrapper.
'#prefix' => '<div id="field-display-overview-wrapper">',
'#suffix' => '</div>',
);
$field_label_options = array(
'above' => t('Above'),
'inline' => t('Inline'),
'hidden' => '<' . t('Hidden') . '>',
);
$extra_visibility_options = array(
'visible' => t('Visible'),
'hidden' => t('Hidden'),
);
// Field rows.
foreach ($instances as $name => $instance) {
$field = field_info_field($instance['field_name']);
$display = $instance['display'][$view_mode];
$table[$name] = array(
'#attributes' => array('class' => array('draggable', 'tabledrag-leaf')),
'#row_type' => 'field',
'#region_callback' => 'field_ui_display_overview_row_region',
'#js_settings' => array(
'rowHandler' => 'field',
'defaultFormatter' => $field_types[$field['type']]['default_formatter'],
),
'human_name' => array(
'#markup' => check_plain($instance['label']),
),
'weight' => array(
'#type' => 'textfield',
'#title' => t('Weight for @title', array('@title' => $instance['label'])),
'#title_display' => 'invisible',
'#default_value' => $display['weight'],
'#size' => 3,
'#attributes' => array('class' => array('field-weight')),
),
'parent_wrapper' => array(
'parent' => array(
'#type' => 'select',
'#title' => t('Label display for @title', array('@title' => $instance['label'])),
'#title_display' => 'invisible',
'#options' => $table['#parent_options'],
'#empty_value' => '',
'#attributes' => array('class' => array('field-parent')),
'#parents' => array('fields', $name, 'parent'),
),
'hidden_name' => array(
'#type' => 'hidden',
'#default_value' => $name,
'#attributes' => array('class' => array('field-name')),
),
),
'label' => array(
'#type' => 'select',
'#title' => t('Label display for @title', array('@title' => $instance['label'])),
'#title_display' => 'invisible',
'#options' => $field_label_options,
'#default_value' => $display['label'],
),
);
$formatter_options = field_ui_formatter_options($field['type']);
$formatter_options['hidden'] = '<' . t('Hidden') . '>';
$table[$name]['format'] = array(
'type' => array(
'#type' => 'select',
'#title' => t('Formatter for @title', array('@title' => $instance['label'])),
'#title_display' => 'invisible',
'#options' => $formatter_options,
'#default_value' => $display['type'],
'#parents' => array('fields', $name, 'type'),
'#attributes' => array('class' => array('field-formatter-type')),
),
'settings_edit_form' => array(),
);
// Formatter settings.
// Check the currently selected formatter, and merge persisted values for
// formatter settings.
if (isset($form_state['values']['fields'][$name]['type'])) {
$formatter_type = $form_state['values']['fields'][$name]['type'];
}
else {
$formatter_type = $display['type'];
}
if (isset($form_state['formatter_settings'][$name])) {
$settings = $form_state['formatter_settings'][$name];
}
else {
$settings = $display['settings'];
}
$settings += field_info_formatter_settings($formatter_type);
$instance['display'][$view_mode]['type'] = $formatter_type;
$formatter = field_info_formatter_types($formatter_type);
// For hidden fields, $formatter will be NULL, but we expect an array later.
// To maintain BC, but avoid PHP 7.4 Notices, ensure $formatter is an array
// with a 'module' element.
$formatter['module'] = isset($formatter['module']) ? $formatter['module'] : '';
$instance['display'][$view_mode]['module'] = $formatter['module'];
$instance['display'][$view_mode]['settings'] = $settings;
// Base button element for the various formatter settings actions.
$base_button = array(
'#submit' => array('field_ui_display_overview_multistep_submit'),
'#ajax' => array(
'callback' => 'field_ui_display_overview_multistep_js',
'wrapper' => 'field-display-overview-wrapper',
'effect' => 'fade',
),
'#field_name' => $name,
);
if ($form_state['formatter_settings_edit'] == $name) {
// We are currently editing this field's formatter settings. Display the
// settings form and submit buttons.
$table[$name]['format']['settings_edit_form'] = array();
$settings_form = array();
$function = $formatter['module'] . '_field_formatter_settings_form';
if (function_exists($function)) {
$settings_form = $function($field, $instance, $view_mode, $form, $form_state);
}
if ($settings_form) {
$table[$name]['format']['#cell_attributes'] = array('colspan' => 3);
$table[$name]['format']['settings_edit_form'] = array(
'#type' => 'container',
'#attributes' => array('class' => array('field-formatter-settings-edit-form')),
'#parents' => array('fields', $name, 'settings_edit_form'),
'label' => array(
'#markup' => t('Format settings:') . ' <span class="formatter-name">' . $formatter['label'] . '</span>',
),
'settings' => $settings_form,
'actions' => array(
'#type' => 'actions',
'save_settings' => $base_button + array(
'#type' => 'submit',
'#name' => $name . '_formatter_settings_update',
'#value' => t('Update'),
'#op' => 'update',
),
'cancel_settings' => $base_button + array(
'#type' => 'submit',
'#name' => $name . '_formatter_settings_cancel',
'#value' => t('Cancel'),
'#op' => 'cancel',
// Do not check errors for the 'Cancel' button, but make sure we
// get the value of the 'formatter type' select.
'#limit_validation_errors' => array(array('fields', $name, 'type')),
),
),
);
$table[$name]['#attributes']['class'][] = 'field-formatter-settings-editing';
}
}
else {
// Display a summary of the current formatter settings.
$summary = module_invoke($formatter['module'], 'field_formatter_settings_summary', $field, $instance, $view_mode);
$table[$name]['settings_summary'] = array();
$table[$name]['settings_edit'] = array();
if ($summary) {
$table[$name]['settings_summary'] = array(
'#markup' => '<div class="field-formatter-summary">' . $summary . '</div>',
'#cell_attributes' => array('class' => array('field-formatter-summary-cell')),
);
$table[$name]['settings_edit'] = $base_button + array(
'#type' => 'image_button',
'#name' => $name . '_formatter_settings_edit',
'#src' => 'misc/configure.png',
'#attributes' => array('class' => array('field-formatter-settings-edit'), 'alt' => t('Edit')),
'#op' => 'edit',
// Do not check errors for the 'Edit' button, but make sure we get
// the value of the 'formatter type' select.
'#limit_validation_errors' => array(array('fields', $name, 'type')),
'#prefix' => '<div class="field-formatter-settings-edit-wrapper">',
'#suffix' => '</div>',
);
}
}
}
// Non-field elements.
foreach ($extra_fields as $name => $extra_field) {
$display = $extra_field['display'][$view_mode];
$table[$name] = array(
'#attributes' => array('class' => array('draggable', 'tabledrag-leaf')),
'#row_type' => 'extra_field',
'#region_callback' => 'field_ui_display_overview_row_region',
'#js_settings' => array('rowHandler' => 'field'),
'human_name' => array(
'#markup' => check_plain($extra_field['label']),
),
'weight' => array(
'#type' => 'textfield',
'#title' => t('Weight for @title', array('@title' => $extra_field['label'])),
'#title_display' => 'invisible',
'#default_value' => $display['weight'],
'#size' => 3,
'#attributes' => array('class' => array('field-weight')),
),
'parent_wrapper' => array(
'parent' => array(
'#type' => 'select',
'#title' => t('Parents for @title', array('@title' => $extra_field['label'])),
'#title_display' => 'invisible',
'#options' => $table['#parent_options'],
'#empty_value' => '',
'#attributes' => array('class' => array('field-parent')),
'#parents' => array('fields', $name, 'parent'),
),
'hidden_name' => array(
'#type' => 'hidden',
'#default_value' => $name,
'#attributes' => array('class' => array('field-name')),
),
),
'empty_cell' => array(
'#markup' => ' ',
),
'format' => array(
'type' => array(
'#type' => 'select',
'#title' => t('Visibility for @title', array('@title' => $extra_field['label'])),
'#title_display' => 'invisible',
'#options' => $extra_visibility_options,
'#default_value' => $display['visible'] ? 'visible' : 'hidden',
'#parents' => array('fields', $name, 'type'),
'#attributes' => array('class' => array('field-formatter-type')),
),
),
'settings_summary' => array(),
'settings_edit' => array(),
);
}
$form['fields'] = $table;
// Custom display settings.
if ($view_mode == 'default') {
$form['modes'] = array(
'#type' => 'fieldset',
'#title' => t('Custom display settings'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
// Collect options and default values for the 'Custom display settings'
// checkboxes.
$options = array();
$default = array();
$entity_info = entity_get_info($entity_type);
$view_modes = $entity_info['view modes'];
$view_mode_settings = field_view_mode_settings($entity_type, $bundle);
foreach ($view_modes as $view_mode_name => $view_mode_info) {
$options[$view_mode_name] = $view_mode_info['label'];
if (!empty($view_mode_settings[$view_mode_name]['custom_settings'])) {
$default[] = $view_mode_name;
}
}
$form['modes']['view_modes_custom'] = array(
'#type' => 'checkboxes',
'#title' => t('Use custom display settings for the following view modes'),
'#options' => $options,
'#default_value' => $default,
);
}
// In overviews involving nested rows from contributed modules (i.e
// field_group), the 'format type' selects can trigger a series of changes in
// child rows. The #ajax behavior is therefore not attached directly to the
// selects, but triggered by the client-side script through a hidden #ajax
// 'Refresh' button. A hidden 'refresh_rows' input tracks the name of
// affected rows.
$form['refresh_rows'] = array('#type' => 'hidden');
$form['refresh'] = array(
'#type' => 'submit',
'#value' => t('Refresh'),
'#op' => 'refresh_table',
'#submit' => array('field_ui_display_overview_multistep_submit'),
'#ajax' => array(
'callback' => 'field_ui_display_overview_multistep_js',
'wrapper' => 'field-display-overview-wrapper',
'effect' => 'fade',
// The button stays hidden, so we hide the Ajax spinner too. Ad-hoc
// spinners will be added manually by the client-side script.
'progress' => 'none',
),
);
$form['actions'] = array('#type' => 'actions');
$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save'));
$form['#attached']['js'][] = drupal_get_path('module', 'field_ui') . '/field_ui.js';
$form['#attached']['css'][] = drupal_get_path('module', 'field_ui') . '/field_ui.css';
// Add tabledrag behavior.
$form['#attached']['drupal_add_tabledrag'][] = array('field-display-overview', 'order', 'sibling', 'field-weight');
$form['#attached']['drupal_add_tabledrag'][] = array('field-display-overview', 'match', 'parent', 'field-parent', 'field-parent', 'field-name');
return $form;
}
/**
* Form submission handler for buttons in field_ui_display_overview_form().
*/
function field_ui_display_overview_multistep_submit($form, &$form_state) {
$trigger = $form_state['triggering_element'];
$op = $trigger['#op'];
switch ($op) {
case 'edit':
// Store the field whose settings are currently being edited.
$field_name = $trigger['#field_name'];
$form_state['formatter_settings_edit'] = $field_name;
break;
case 'update':
// Store the saved settings, and set the field back to 'non edit' mode.
$field_name = $trigger['#field_name'];
$values = $form_state['values']['fields'][$field_name]['settings_edit_form']['settings'];
$form_state['formatter_settings'][$field_name] = $values;
unset($form_state['formatter_settings_edit']);
break;
case 'cancel':
// Set the field back to 'non edit' mode.
unset($form_state['formatter_settings_edit']);
break;
case 'refresh_table':
// If the currently edited field is one of the rows to be refreshed, set
// it back to 'non edit' mode.
$updated_rows = explode(' ', $form_state['values']['refresh_rows']);
if (isset($form_state['formatter_settings_edit']) && in_array($form_state['formatter_settings_edit'], $updated_rows)) {
unset($form_state['formatter_settings_edit']);
}
break;
}
$form_state['rebuild'] = TRUE;
}
/**
* Ajax handler for multistep buttons on the 'Manage display' screen.
*/
function field_ui_display_overview_multistep_js($form, &$form_state) {
$trigger = $form_state['triggering_element'];
$op = $trigger['#op'];
// Pick the elements that need to receive the ajax-new-content effect.
switch ($op) {
case 'edit':
$updated_rows = array($trigger['#field_name']);
$updated_columns = array('format');
break;
case 'update':
case 'cancel':
$updated_rows = array($trigger['#field_name']);
$updated_columns = array('format', 'settings_summary', 'settings_edit');
break;
case 'refresh_table':
$updated_rows = array_values(explode(' ', $form_state['values']['refresh_rows']));
$updated_columns = array('settings_summary', 'settings_edit');
break;
}
foreach ($updated_rows as $name) {
foreach ($updated_columns as $key) {
$element = &$form['fields'][$name][$key];
$element['#prefix'] = '<div class="ajax-new-content">' . (isset($element['#prefix']) ? $element['#prefix'] : '');
$element['#suffix'] = (isset($element['#suffix']) ? $element['#suffix'] : '') . '</div>';
}
}
// Return the whole table.
return $form['fields'];
}
/**
* Form submission handler for field_ui_display_overview_form().
*/
function field_ui_display_overview_form_submit($form, &$form_state) {
$form_values = $form_state['values'];
$entity_type = $form['#entity_type'];
$bundle = $form['#bundle'];
$view_mode = $form['#view_mode'];
// Save data for 'regular' fields.
foreach ($form['#fields'] as $field_name) {
// Retrieve the stored instance settings to merge with the incoming values.
$instance = field_read_instance($entity_type, $field_name, $bundle);
$values = $form_values['fields'][$field_name];
// Get formatter settings. They lie either directly in submitted form
// values (if the whole form was submitted while some formatter
// settings were being edited), or have been persisted in
// $form_state.
$settings = array();
if (isset($values['settings_edit_form']['settings'])) {
$settings = $values['settings_edit_form']['settings'];
}
elseif (isset($form_state['formatter_settings'][$field_name])) {
$settings = $form_state['formatter_settings'][$field_name];
}
elseif (isset($instance['display'][$view_mode]['settings'])) {
$settings = $instance['display'][$view_mode]['settings'];
}
// Only save settings actually used by the selected formatter.
$default_settings = field_info_formatter_settings($values['type']);
$settings = array_intersect_key($settings, $default_settings);
$instance['display'][$view_mode] = array(
'label' => $values['label'],
'type' => $values['type'],
'weight' => $values['weight'],
'settings' => $settings,
);
field_update_instance($instance);
}
// Get current bundle settings.
$bundle_settings = field_bundle_settings($entity_type, $bundle);
// Save data for 'extra' fields.
foreach ($form['#extra'] as $name) {
$bundle_settings['extra_fields']['display'][$name][$view_mode] = array(
'weight' => $form_values['fields'][$name]['weight'],
'visible' => $form_values['fields'][$name]['type'] == 'visible',
);
}
// Save view modes data.
if ($view_mode == 'default') {
$entity_info = entity_get_info($entity_type);
foreach ($form_values['view_modes_custom'] as $view_mode_name => $value) {
// Display a message for each view mode newly configured to use custom
// settings.
$view_mode_settings = field_view_mode_settings($entity_type, $bundle);
if (!empty($value) && empty($view_mode_settings[$view_mode_name]['custom_settings'])) {
$view_mode_label = $entity_info['view modes'][$view_mode_name]['label'];
$path = _field_ui_bundle_admin_path($entity_type, $bundle) . "/display/$view_mode_name";
drupal_set_message(t('The %view_mode mode now uses custom display settings. You might want to <a href="@url">configure them</a>.', array('%view_mode' => $view_mode_label, '@url' => url($path))));
// Initialize the newly customized view mode with the display settings
// from the default view mode.
_field_ui_add_default_view_mode_settings($entity_type, $bundle, $view_mode_name, $bundle_settings);
}
$bundle_settings['view_modes'][$view_mode_name]['custom_settings'] = !empty($value);
}
}
// Save updated bundle settings.
field_bundle_settings($entity_type, $bundle, $bundle_settings);
drupal_set_message(t('Your settings have been saved.'));
}
/**
* Populates display settings for a new view mode from the default view mode.
*
* When an administrator decides to use custom display settings for a view mode,
* that view mode needs to be initialized with the display settings for the
* 'default' view mode, which it was previously using. This helper function
* adds the new custom display settings to this bundle's instances, and saves
* them. It also modifies the passed-in $settings array, which the caller can
* then save using field_bundle_settings().
*
* @param $entity_type
* The bundle's entity type.
* @param $bundle
* The bundle whose view mode is being customized.
* @param $view_mode
* The view mode that the administrator has set to use custom settings.
* @param $settings
* An associative array of bundle settings, as expected by
* field_bundle_settings().
*
* @see field_ui_display_overview_form_submit().
* @see field_bundle_settings()
*/
function _field_ui_add_default_view_mode_settings($entity_type, $bundle, $view_mode, &$settings) {
// Update display settings for field instances.
$instances = field_read_instances(array('entity_type' => $entity_type, 'bundle' => $bundle));
foreach ($instances as $instance) {
// If this field instance has display settings defined for this view mode,
// respect those settings.
if (!isset($instance['display'][$view_mode])) {
// The instance doesn't specify anything for this view mode, so use the
// default display settings.
$instance['display'][$view_mode] = $instance['display']['default'];
field_update_instance($instance);
}
}
// Update display settings for 'extra fields'.
foreach (array_keys($settings['extra_fields']['display']) as $name) {
if (!isset($settings['extra_fields']['display'][$name][$view_mode])) {
$settings['extra_fields']['display'][$name][$view_mode] = $settings['extra_fields']['display'][$name]['default'];
}
}
}
/**
* Returns an array of field_type options.
*/
function field_ui_field_type_options() {
$options = &drupal_static(__FUNCTION__);
if (!isset($options)) {
$options = array();
$field_types = field_info_field_types();
$field_type_options = array();
foreach ($field_types as $name => $field_type) {
// Skip field types which have no widget types, or should not be add via
// uesr interface.
if (field_ui_widget_type_options($name) && empty($field_type['no_ui'])) {
$options[$name] = $field_type['label'];
}
}
asort($options);
}
return $options;
}
/**
* Returns an array of widget type options for a field type.
*
* If no field type is provided, returns a nested array of all widget types,
* keyed by field type human name.
*/
function field_ui_widget_type_options($field_type = NULL, $by_label = FALSE) {
$options = &drupal_static(__FUNCTION__);
if (!isset($options)) {
$options = array();
$field_types = field_info_field_types();
foreach (field_info_widget_types() as $name => $widget_type) {
foreach ($widget_type['field types'] as $widget_field_type) {
// Check that the field type exists.
if (isset($field_types[$widget_field_type])) {
$options[$widget_field_type][$name] = $widget_type['label'];
}
}
}
}
if (isset($field_type)) {
return !empty($options[$field_type]) ? $options[$field_type] : array();
}
if ($by_label) {
$field_types = field_info_field_types();
$options_by_label = array();
foreach ($options as $field_type => $widgets) {
$options_by_label[$field_types[$field_type]['label']] = $widgets;
}
return $options_by_label;
}
return $options;
}
/**
* Returns an array of formatter options for a field type.
*
* If no field type is provided, returns a nested array of all formatters, keyed
* by field type.
*/
function field_ui_formatter_options($field_type = NULL) {
$options = &drupal_static(__FUNCTION__);
if (!isset($options)) {
$field_types = field_info_field_types();
$options = array();
foreach (field_info_formatter_types() as $name => $formatter) {
foreach ($formatter['field types'] as $formatter_field_type) {
// Check that the field type exists.
if (isset($field_types[$formatter_field_type])) {
$options[$formatter_field_type][$name] = $formatter['label'];
}
}
}
}
if ($field_type) {
return !empty($options[$field_type]) ? $options[$field_type] : array();
}
return $options;
}
/**
* Returns an array of existing fields to be added to a bundle.
*/
function field_ui_existing_field_options($entity_type, $bundle) {
$info = array();
$field_types = field_info_field_types();
foreach (field_info_instances() as $existing_entity_type => $bundles) {
foreach ($bundles as $existing_bundle => $instances) {
// No need to look in the current bundle.
if (!($existing_bundle == $bundle && $existing_entity_type == $entity_type)) {
foreach ($instances as $instance) {
$field = field_info_field($instance['field_name']);
// Don't show
// - locked fields,
// - fields already in the current bundle,
// - fields that cannot be added to the entity type,
// - fields that should not be added via user interface.
if (empty($field['locked'])
&& !field_info_instance($entity_type, $field['field_name'], $bundle)
&& (empty($field['entity_types']) || in_array($entity_type, $field['entity_types']))
&& empty($field_types[$field['type']]['no_ui'])) {
$info[$instance['field_name']] = array(
'type' => $field['type'],
'type_label' => $field_types[$field['type']]['label'],
'field' => $field['field_name'],
'label' => $instance['label'],
'widget_type' => $instance['widget']['type'],
);
}
}
}
}
}
return $info;
}
/**
* Form constructor for the field settings edit page.
*
* @see field_ui_field_settings_form_submit()
* @ingroup forms
*/
function field_ui_field_settings_form($form, &$form_state, $instance) {
$bundle = $instance['bundle'];
$entity_type = $instance['entity_type'];
$field = field_info_field($instance['field_name']);
drupal_set_title($instance['label']);
$description = '<p>' . t('These settings apply to the %field field everywhere it is used. These settings impact the way that data is stored in the database and cannot be changed once data has been created.', array('%field' => $instance['label'])) . '</p>';
// Create a form structure for the field values.
$form['field'] = array(
'#type' => 'fieldset',
'#title' => t('Field settings'),
'#description' => $description,
'#tree' => TRUE,
);
// See if data already exists for this field.
// If so, prevent changes to the field settings.
$has_data = field_has_data($field);
if ($has_data) {
$form['field']['#description'] = '<div class="messages error">' . t('There is data for this field in the database. The field settings can no longer be changed.') . '</div>' . $form['field']['#description'];
}
// Build the non-configurable field values.
$form['field']['field_name'] = array('#type' => 'value', '#value' => $field['field_name']);
$form['field']['type'] = array('#type' => 'value', '#value' => $field['type']);
$form['field']['module'] = array('#type' => 'value', '#value' => $field['module']);
$form['field']['active'] = array('#type' => 'value', '#value' => $field['active']);
// Add settings provided by the field module. The field module is
// responsible for not returning settings that cannot be changed if
// the field already has data.
$form['field']['settings'] = array();
$additions = module_invoke($field['module'], 'field_settings_form', $field, $instance, $has_data);
if (is_array($additions)) {
$form['field']['settings'] = $additions;
}
if (empty($form['field']['settings'])) {
$form['field']['settings'] = array(
'#markup' => t('%field has no field settings.', array('%field' => $instance['label'])),
);
}
$form['#entity_type'] = $entity_type;
$form['#bundle'] = $bundle;
$form['actions'] = array('#type' => 'actions');
$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save field settings'));
return $form;
}
/**
* Form submission handler for field_ui_field_settings_form().
*/
function field_ui_field_settings_form_submit($form, &$form_state) {
$form_values = $form_state['values'];
$field_values = $form_values['field'];
// Merge incoming form values into the existing field.
$field = field_info_field($field_values['field_name']);
$entity_type = $form['#entity_type'];
$bundle = $form['#bundle'];
$instance = field_info_instance($entity_type, $field['field_name'], $bundle);
// Update the field.
$field = array_merge($field, $field_values);
try {
field_update_field($field);
drupal_set_message(t('Updated field %label field settings.', array('%label' => $instance['label'])));
$form_state['redirect'] = field_ui_next_destination($entity_type, $bundle);
}
catch (Exception $e) {
drupal_set_message(t('Attempt to update field %label failed: %message.', array('%label' => $instance['label'], '%message' => $e->getMessage())), 'error');
}
}
/**
* Form constructor for the widget selection form.
*
* Path: BUNDLE_ADMIN_PATH/fields/%field/widget-type, where BUNDLE_ADMIN_PATH is
* the path stored in the ['admin']['info'] property in the return value of
* hook_entity_info().
*
* @see field_ui_menu()
* @see field_ui_widget_type_form_submit()
* @ingroup forms
*/
function field_ui_widget_type_form($form, &$form_state, $instance) {
drupal_set_title($instance['label']);
$bundle = $instance['bundle'];
$entity_type = $instance['entity_type'];
$field_name = $instance['field_name'];
$field = field_info_field($field_name);
$field_type = field_info_field_types($field['type']);
$widget_type = field_info_widget_types($instance['widget']['type']);
$bundles = field_info_bundles();
$bundle_label = $bundles[$entity_type][$bundle]['label'];
$form = array(
'#bundle' => $bundle,
'#entity_type' => $entity_type,
'#field_name' => $field_name,
);
$form['basic'] = array(
'#type' => 'fieldset',
'#title' => t('Change widget'),
);
$form['basic']['widget_type'] = array(
'#type' => 'select',
'#title' => t('Widget type'),
'#required' => TRUE,
'#options' => field_ui_widget_type_options($field['type']),
'#default_value' => $instance['widget']['type'],
'#description' => t('The type of form element you would like to present to the user when creating this field in the %type type.', array('%type' => $bundle_label)),
);
$form['actions'] = array('#type' => 'actions');
$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Continue'));
$form['#validate'] = array();
$form['#submit'] = array('field_ui_widget_type_form_submit');
return $form;
}
/**
* Form submission handler for field_ui_widget_type_form().
*/
function field_ui_widget_type_form_submit($form, &$form_state) {
$form_values = $form_state['values'];
$bundle = $form['#bundle'];
$entity_type = $form['#entity_type'];
$field_name = $form['#field_name'];
// Retrieve the stored instance settings to merge with the incoming values.
$instance = field_read_instance($entity_type, $field_name, $bundle);
// Set the right module information.
$widget_type = field_info_widget_types($form_values['widget_type']);
$widget_module = $widget_type['module'];
$instance['widget']['type'] = $form_values['widget_type'];
$instance['widget']['module'] = $widget_module;
try {
field_update_instance($instance);
drupal_set_message(t('Changed the widget for field %label.', array('%label' => $instance['label'])));
}
catch (Exception $e) {
drupal_set_message(t('There was a problem changing the widget for field %label.', array('%label' => $instance['label'])), 'error');
}
$form_state['redirect'] = field_ui_next_destination($entity_type, $bundle);
}
/**
* Form constructor for removing a field instance from a bundle.
*
* @see field_ui_field_delete_form_submit()
* @ingroup forms
*/
function field_ui_field_delete_form($form, &$form_state, $instance) {
$bundle = $instance['bundle'];
$entity_type = $instance['entity_type'];
$field = field_info_field($instance['field_name']);
$admin_path = _field_ui_bundle_admin_path($entity_type, $bundle);
$form['entity_type'] = array('#type' => 'value', '#value' => $entity_type);
$form['bundle'] = array('#type' => 'value', '#value' => $bundle);
$form['field_name'] = array('#type' => 'value', '#value' => $field['field_name']);
$output = confirm_form($form,
t('Are you sure you want to delete the field %field?', array('%field' => $instance['label'])),
$admin_path . '/fields',
t('If you have any content left in this field, it will be lost. This action cannot be undone.'),
t('Delete'), t('Cancel'),
'confirm'
);
if ($field['locked']) {
unset($output['actions']['submit']);
$output['description']['#markup'] = t('This field is <strong>locked</strong> and cannot be deleted.');
}
return $output;
}
/**
* Form submission handler for field_ui_field_delete_form().
*
* Removes a field instance from a bundle. If the field has no more instances,
* it will be marked as deleted too.
*/
function field_ui_field_delete_form_submit($form, &$form_state) {
$form_values = $form_state['values'];
$field_name = $form_values['field_name'];
$bundle = $form_values['bundle'];
$entity_type = $form_values['entity_type'];
$field = field_info_field($field_name);
$instance = field_info_instance($entity_type, $field_name, $bundle);
$bundles = field_info_bundles();
$bundle_label = $bundles[$entity_type][$bundle]['label'];
if (!empty($bundle) && $field && !$field['locked'] && $form_values['confirm']) {
field_delete_instance($instance);
drupal_set_message(t('The field %field has been deleted from the %type content type.', array('%field' => $instance['label'], '%type' => $bundle_label)));
}
else {
drupal_set_message(t('There was a problem removing the %field from the %type content type.', array('%field' => $instance['label'], '%type' => $bundle_label)), 'error');
}
$admin_path = _field_ui_bundle_admin_path($entity_type, $bundle);
$form_state['redirect'] = field_ui_get_destinations(array($admin_path . '/fields'));
// Fields are purged on cron. However field module prevents disabling modules
// when field types they provided are used in a field until it is fully
// purged. In the case that a field has minimal or no content, a single call
// to field_purge_batch() will remove it from the system. Call this with a
// low batch limit to avoid administrators having to wait for cron runs when
// removing instances that meet this criteria.
field_purge_batch(10);
}
/**
* Form constructor for the field instance settings form.
*
* @see field_ui_field_edit_form_validate()
* @see field_ui_field_edit_form_submit()
* @ingroup forms
*/
function field_ui_field_edit_form($form, &$form_state, $instance) {
$bundle = $instance['bundle'];
$entity_type = $instance['entity_type'];
$field = field_info_field($instance['field_name']);
drupal_set_title($instance['label']);
$form['#field'] = $field;
$form['#instance'] = $instance;
if (!empty($field['locked'])) {
$form['locked'] = array(
'#markup' => t('The field %field is locked and cannot be edited.', array('%field' => $instance['label'])),
);
return $form;
}
$field_type = field_info_field_types($field['type']);
$widget_type = field_info_widget_types($instance['widget']['type']);
$bundles = field_info_bundles();
// Create a form structure for the instance values.
$form['instance'] = array(
'#tree' => TRUE,
'#type' => 'fieldset',
'#title' => t('%type settings', array('%type' => $bundles[$entity_type][$bundle]['label'])),
'#description' => t('These settings apply only to the %field field when used in the %type type.', array(
'%field' => $instance['label'],
'%type' => $bundles[$entity_type][$bundle]['label'],
)),
// Ensure field_ui_field_edit_instance_pre_render() gets called in addition
// to, not instead of, the #pre_render function(s) needed by all fieldsets.
'#pre_render' => array_merge(array('field_ui_field_edit_instance_pre_render'), element_info_property('fieldset', '#pre_render', array())),
);
// Build the non-configurable instance values.
$form['instance']['field_name'] = array(
'#type' => 'value',
'#value' => $instance['field_name'],
);
$form['instance']['entity_type'] = array(
'#type' => 'value',
'#value' => $entity_type,
);
$form['instance']['bundle'] = array(
'#type' => 'value',
'#value' => $bundle,
);
$form['instance']['widget']['weight'] = array(
'#type' => 'value',
'#value' => !empty($instance['widget']['weight']) ? $instance['widget']['weight'] : 0,
);
// Build the configurable instance values.
$form['instance']['label'] = array(
'#type' => 'textfield',
'#title' => t('Label'),
'#default_value' => !empty($instance['label']) ? $instance['label'] : $field['field_name'],
'#required' => TRUE,
'#weight' => -20,
);
$form['instance']['required'] = array(
'#type' => 'checkbox',
'#title' => t('Required field'),
'#default_value' => !empty($instance['required']),
'#weight' => -10,
);
$form['instance']['description'] = array(
'#type' => 'textarea',
'#title' => t('Help text'),
'#default_value' => !empty($instance['description']) ? $instance['description'] : '',
'#rows' => 5,
'#description' => t('Instructions to present to the user below this field on the editing form.<br />Allowed HTML tags: @tags', array('@tags' => _field_filter_xss_display_allowed_tags())),
'#weight' => -5,
);
// Build the widget component of the instance.
$form['instance']['widget']['type'] = array(
'#type' => 'value',
'#value' => $instance['widget']['type'],
);
$form['instance']['widget']['module'] = array(
'#type' => 'value',
'#value' => $widget_type['module'],
);
$form['instance']['widget']['active'] = array(
'#type' => 'value',
'#value' => !empty($field['instance']['widget']['active']) ? 1 : 0,
);
// Add additional field instance settings from the field module.
$additions = module_invoke($field['module'], 'field_instance_settings_form', $field, $instance);
if (is_array($additions)) {
$form['instance']['settings'] = $additions;
}
// Add additional widget settings from the widget module.
$additions = module_invoke($widget_type['module'], 'field_widget_settings_form', $field, $instance);
if (is_array($additions)) {
$form['instance']['widget']['settings'] = $additions;
$form['instance']['widget']['active']['#value'] = 1;
}
// Add handling for default value if not provided by any other module.
if (field_behaviors_widget('default value', $instance) == FIELD_BEHAVIOR_DEFAULT && empty($instance['default_value_function'])) {
$form['instance']['default_value_widget'] = field_ui_default_value_widget($field, $instance, $form, $form_state);
}
$has_data = field_has_data($field);
if ($has_data) {
$description = '<p>' . t('These settings apply to the %field field everywhere it is used. Because the field already has data, some settings can no longer be changed.', array('%field' => $instance['label'])) . '</p>';
}
else {
$description = '<p>' . t('These settings apply to the %field field everywhere it is used.', array('%field' => $instance['label'])) . '</p>';
}
// Create a form structure for the field values.
$form['field'] = array(
'#type' => 'fieldset',
'#title' => t('%field field settings', array('%field' => $instance['label'])),
'#description' => $description,
'#tree' => TRUE,
);
// Build the configurable field values.
$description = t('Maximum number of values users can enter for this field.');
if (field_behaviors_widget('multiple values', $instance) == FIELD_BEHAVIOR_DEFAULT) {
$description .= '<br/>' . t("'Unlimited' will provide an 'Add more' button so the users can add as many values as they like.");
}
$form['field']['cardinality'] = array(
'#type' => 'select',
'#title' => t('Number of values'),
'#options' => array(FIELD_CARDINALITY_UNLIMITED => t('Unlimited')) + drupal_map_assoc(range(1, 10)),
'#default_value' => $field['cardinality'],
'#description' => $description,
);
// Add additional field type settings. The field type module is
// responsible for not returning settings that cannot be changed if
// the field already has data.
$additions = module_invoke($field['module'], 'field_settings_form', $field, $instance, $has_data);
if (is_array($additions)) {
$form['field']['settings'] = $additions;
}
$form['actions'] = array('#type' => 'actions');
$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save settings'));
return $form;
}
/**
* Pre-render function for field instance settings.
*
* Combines the instance, widget, and other settings into a single fieldset so
* that elements within each group can be shown at different weights as if they
* all had the same parent.
*/
function field_ui_field_edit_instance_pre_render($element) {
// Merge the widget settings into the main form.
if (isset($element['widget']['settings'])) {
foreach (element_children($element['widget']['settings']) as $key) {
$element['widget_' . $key] = $element['widget']['settings'][$key];
}
unset($element['widget']['settings']);
}
// Merge the instance settings into the main form.
if (isset($element['settings'])) {
foreach (element_children($element['settings']) as $key) {
$element['instance_' . $key] = $element['settings'][$key];
}
unset($element['settings']);
}
return $element;
}
/**
* Builds the default value fieldset for a given field instance.
*/
function field_ui_default_value_widget($field, $instance, &$form, &$form_state) {
$field_name = $field['field_name'];
$element = array(
'#type' => 'fieldset',
'#title' => t('Default value'),
'#collapsible' => FALSE,
'#tree' => TRUE,
'#description' => t('The default value for this field, used when creating new content.'),
// Stick to an empty 'parents' on this form in order not to breaks widgets
// that do not use field_widget_[field|instance]() and still access
// $form_state['field'] directly.
'#parents' => array(),
);
// Insert the widget.
$items = $instance['default_value'];
$instance['required'] = FALSE;
$instance['description'] = '';
// @todo Allow multiple values (requires more work on 'add more' JS handler).
$element += field_default_form($instance['entity_type'], NULL, $field, $instance, LANGUAGE_NONE, $items, $element, $form_state, 0);
return $element;
}
/**
* Form validation handler for field_ui_field_edit_form().
*
* @see field_ui_field_edit_form_submit().
*/
function field_ui_field_edit_form_validate($form, &$form_state) {
// Take the incoming values as the $instance definition, so that the 'default
// value' gets validated using the instance settings being submitted.
$instance = $form_state['values']['instance'];
$field_name = $instance['field_name'];
if (isset($form['instance']['default_value_widget'])) {
$element = $form['instance']['default_value_widget'];
$field_state = field_form_get_state($element['#parents'], $field_name, LANGUAGE_NONE, $form_state);
$field = $field_state['field'];
// Extract the 'default value'.
$items = array();
field_default_extract_form_values(NULL, NULL, $field, $instance, LANGUAGE_NONE, $items, $element, $form_state);
// Validate the value and report errors.
$errors = array();
$function = $field['module'] . '_field_validate';
if (function_exists($function)) {
$function(NULL, NULL, $field, $instance, LANGUAGE_NONE, $items, $errors);
}
if (isset($errors[$field_name][LANGUAGE_NONE])) {
// Store reported errors in $form_state.
$field_state['errors'] = $errors[$field_name][LANGUAGE_NONE];
field_form_set_state($element['#parents'], $field_name, LANGUAGE_NONE, $form_state, $field_state);
// Assign reported errors to the correct form element.
field_default_form_errors(NULL, NULL, $field, $instance, LANGUAGE_NONE, $items, $element, $form_state);
}
}
}
/**
* Form submission handler for field_ui_field_edit_form().
*
* @see field_ui_field_edit_form_validate().
*/
function field_ui_field_edit_form_submit($form, &$form_state) {
$instance = $form_state['values']['instance'];
$field = $form_state['values']['field'];
// Update any field settings that have changed.
$field_source = field_info_field($instance['field_name']);
$field = array_merge($field_source, $field);
try {
field_update_field($field);
}
catch (Exception $e) {
drupal_set_message(t('Attempt to update field %label failed: %message.', array('%label' => $instance['label'], '%message' => $e->getMessage())), 'error');
return;
}
// Handle the default value.
if (isset($form['instance']['default_value_widget'])) {
$element = $form['instance']['default_value_widget'];
// Extract field values.
$items = array();
field_default_extract_form_values(NULL, NULL, $field, $instance, LANGUAGE_NONE, $items, $element, $form_state);
field_default_submit(NULL, NULL, $field, $instance, LANGUAGE_NONE, $items, $element, $form_state);
$instance['default_value'] = $items ? $items : NULL;
}
// Retrieve the stored instance settings to merge with the incoming values.
$instance_source = field_read_instance($instance['entity_type'], $instance['field_name'], $instance['bundle']);
$instance = array_merge($instance_source, $instance);
field_update_instance($instance);
drupal_set_message(t('Saved %label configuration.', array('%label' => $instance['label'])));
$form_state['redirect'] = field_ui_next_destination($instance['entity_type'], $instance['bundle']);
}
/**
* Extracts next redirect path from an array of multiple destinations.
*
* @see field_ui_next_destination()
*/
function field_ui_get_destinations($destinations) {
$path = array_shift($destinations);
$options = drupal_parse_url($path);
if ($destinations) {
$options['query']['destinations'] = $destinations;
}
return array($options['path'], $options);
}
/**
* Returns the next redirect path in a multipage sequence.
*/
function field_ui_next_destination($entity_type, $bundle) {
$destinations = !empty($_REQUEST['destinations']) ? $_REQUEST['destinations'] : array();
if (!empty($destinations)) {
unset($_REQUEST['destinations']);
}
// Remove any external URLs.
$destinations = array_diff($destinations, array_filter($destinations, 'url_is_external'));
if ($destinations) {
return field_ui_get_destinations($destinations);
}
$admin_path = _field_ui_bundle_admin_path($entity_type, $bundle);
return $admin_path . '/fields';
}
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