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<?php
/**
* @file
* Provides additional Field functionality for the name module.
*
* Most of these functions are related to setting configuration for the field,
* instance and formatter.
*/
/* ----------------------------- Field Code --------------------------------- */
/**
* Implements hook_field_settings_form().
*/
function _name_field_settings_form($field, $instance, $has_data) {
$settings = $field['settings'];
$form = array('#tree' => TRUE);
$components = _name_translations();
$form['components'] = array(
'#type' => 'checkboxes',
'#title' => t('Components'),
'#default_value' => $settings['components'],
'#required' => TRUE,
'#description' => t('Only selected components will be activated on this field. All non-selected components / component settings will be ignored.'),
'#options' => $components,
'#element_validate' => array('_name_field_minimal_component_requirements'),
);
$form['minimum_components'] = array(
'#type' => 'checkboxes',
'#title' => t('Minimum components'),
'#default_value' => $settings['minimum_components'],
'#required' => TRUE,
'#element_validate' => array('_name_field_minimal_component_requirements'),
'#description' => t('The minimal set of components required before the field is considered completed enough to save.'),
'#options' => $components,
);
$form['labels'] = array();
$form['max_length'] = array();
$form['autocomplete_sources'] = array();
$autocomplete_sources_options = array();
if (module_exists('namedb')) {
$autocomplete_sources_options['namedb'] = t('Names DB');
}
$autocomplete_sources_options['title'] = t('Title options');
$autocomplete_sources_options['generational'] = t('Generational options');
// TODO: Placing in the to hard basket for the time being!
//$autocomplete_sources_options['data'] = t('Data');
$has_data = field_has_data($field);
foreach ($components as $key => $title) {
$min_length = 1;
if ($has_data) {
$min_length = $settings['max_length'][$key];
if ($field['storage']['type'] == 'field_sql_storage') {
try {
$table = 'field_data_' . $field['field_name'];
$column = $field['storage']['details']['sql'][FIELD_LOAD_CURRENT]
[$table][$key];
$min_length = db_query("SELECT MAX(CHAR_LENGTH({$column})) AS len FROM {$table}")->fetchField();
if ($min_length < 1) {
$min_length = 1;
}
}
catch (Exception $e) {
}
}
}
$form['max_length'][$key] = array(
'#type' => 'textfield',
'#title' => t('Maximum length for !title', array('!title' => $title)),
'#default_value' => $settings['max_length'][$key],
'#required' => TRUE,
'#size' => 10,
'#min_size' => $min_length,
'#description' => t('The maximum length of the field in characters. This must be between !min and 255.', array('!min' => $min_length)),
'#element_validate' => array('_name_validate_varchar_range'),
);
$form['labels'][$key] = array(
'#type' => 'textfield',
'#title' => t('Label for !title', array('!title' => $title)),
'#default_value' => $settings['labels'][$key],
'#required' => TRUE,
);
$form['autocomplete_source'][$key] = array(
'#type' => 'checkboxes',
'#title' => t('Autocomplete options'),
'#default_value' => $settings['autocomplete_source'][$key],
'#description' => t("This defines what autocomplete sources are available to the field."),
'#options' => $autocomplete_sources_options,
);
if ($key != 'title') {
unset($form['autocomplete_source'][$key]['#options']['title']);
}
if ($key != 'generational') {
unset($form['autocomplete_source'][$key]['#options']['generational']);
}
$form['autocomplete_separator'][$key] = array(
'#type' => 'textfield',
'#title' => t('Autocomplete separator for !title', array('!title' => $title)),
'#default_value' => $settings['autocomplete_separator'][$key],
'#size' => 10,
);
}
$form['allow_family_or_given'] = array(
'#type' => 'checkbox',
'#title' => t('Allow a single valid given or family value to fulfill the minimum component requirements for both given and family components.'),
'#default_value' => !empty($settings['allow_family_or_given']),
);
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// TODO - Grouping & grouping sort
// TODO - Allow reverse free tagging back into the vocabulary.
$title_options = implode("\n", array_filter(explode("\n", $settings['title_options'])));
$form['title_options'] = array(
'#type' => 'textarea',
'#title' => t('!title options', array('!title' => $components['title'])),
'#default_value' => $title_options,
'#required' => TRUE,
'#description' => t("Enter one !title per line. Prefix a line using '--' to specify a blank value text. For example: '--Please select a !title'.", array('!title' => $components['title'])),
);
$generational_options = implode("\n", array_filter(explode("\n", $settings['generational_options'])));
$form['generational_options'] = array(
'#type' => 'textarea',
'#title' => t('!generational options', array('!generational' => $components['generational'])),
'#default_value' => $generational_options,
'#required' => TRUE,
'#description' => t("Enter one !generational suffix option per line. Prefix a line using '--' to specify a blank value text. For example: '----'.", array('!generational' => $components['generational'])),
);
if (module_exists('taxonomy')) {
// TODO - Make the labels more generic.
// Generational suffixes may be also imported from one or more vocabularies
// using the tag '[vocabulary:xxx]', where xxx is the vocabulary id. Terms
// that exceed the maximum length of the generational suffix are not added
// to the options list.
$form['title_options']['#description'] .= ' ' . t("%label_plural may be also imported from one or more vocabularies using the tag '[vocabulary:xxx]', where xxx is the vocabulary machine-name or id. Terms that exceed the maximum length of the %label are not added to the options list.",
array('%label_plural' => t('Titles'), '%label' => t('Title')));
$form['generational_options']['#description'] .= ' ' . t("%label_plural may be also imported from one or more vocabularies using the tag '[vocabulary:xxx]', where xxx is the vocabulary machine-name or id. Terms that exceed the maximum length of the %label are not added to the options list.",
array('%label_plural' => t('Generational suffixes'), '%label' => t('Generational suffix')));
}
$sort_options = is_array($settings['sort_options']) ? $settings['sort_options'] : array(
'title' => 'title',
'generational' => '',
);
$form['sort_options'] = array(
'#type' => 'checkboxes',
'#title' => t('Select field sort options'),
'#default_value' => $sort_options,
'#description' => t("This enables sorting on the options after the vocabulary terms are added and duplicate values are removed."),
'#options' => _name_translations(array('title' => '', 'generational' => '')),
);
$form['#element_validate'] = array('_name_field_settings_form_validate');
return $form;
}
/**
* Implements the validation callback for the name_field_settings_form() form.
*
* This is an #element_validate callback.
*
* TODO - Ensure that the #parent path is correct in all instances. This avoids
* the need to pull out individual values from the $elements[xx][#value].
*/
function _name_field_settings_form_validate($elements, &$form_state, $form) {
$values = $form_state['values']['field']['settings'];
// Validates options against the title / generational sizes.
_name_options_validate($values['title_options'], $values['max_length']['title'],
t('Title options'), 'field][settings][title_options');
_name_options_validate($values['generational_options'], $values['max_length']['generational'],
t('Generational options'), 'field][settings][generational_options');
// Validates that a minimum component is checked when that component is not used.
_name_field_components_validate($values['components'],
$values['minimum_components'], 'field][settings][minimum_components');
}
// TODO - hook_field_views_data() if required
/**
* Checks that individual values in the defined options list do not exceed the
* limits placed on the component.
*/
function _name_options_validate($options, $max, $label, $error_element) {
$values = array_filter(explode("\n", $options));
$long_options = array();
$valid_options = array();
$default_options = array();
foreach ($values as $value) {
$value = trim($value);
// Blank option - anything goes!
if (strpos($value, '--') === 0) {
$default_options[] = $value;
}
// Simple checks on the taxonomy includes.
elseif (preg_match('/^\[vocabulary:([0-9a-z\_]{1,})\]/', $value, $matches)) {
if (!module_exists('taxonomy')) {
form_set_error($error_element, t("The taxonomy module must be enabled before using the '%tag' tag in %label.",
array('%tag' => $matches[0], '%label' => $label)));
}
elseif ($value !== $matches[0]) {
form_set_error($error_element, t("The '%tag' tag in %label should be on a line by itself.",
array('%tag' => $matches[0], '%label' => $label)));
}
else{
if (!_name_get_vocabulary_id_by_code_or_number($matches[1])) {
form_set_error($error_element, t("The vocabulary '%tag' in %label could not be found.",
array('%tag' => $matches[1], '%label' => $label)));
}
}
}
elseif (drupal_strlen($value) > $max) {
$long_options[] = $value;
}
elseif (!empty($value)) {
$valid_options[] = $value;
}
}
if (count($long_options)) {
form_set_error($error_element, t('The following options exceed the maximun allowed %label length: %options',
array('%options' => implode(', ', $long_options), '%label' => $label)));
}
elseif (empty($valid_options)) {
form_set_error($error_element, t('%label are required.',
array('%label' => $label)));
}
elseif (count($default_options) > 1) {
form_set_error($error_element, t('%label can only have one blank value assigned to it.',
array('%label' => $label)));
}
}
function _name_field_components_validate($components, $minimum, $error_element) {
$diff = array_diff_key(array_filter($minimum), array_filter($components));
if (count($diff)) {
$components = array_intersect_key(_name_translations(), $diff);
form_set_error($error_element . '][' . key($diff),
t('%components can not be selected for %label when they are not selected for %label2.',
array('%label' => t('Minimum components'), '%label2' => t('Components'),
'%components' => implode(', ', $components))));
}
}
/* ----------------------------- Widget Code -------------------------------- */
/**
* Implements hook_field_instance_settings_form().
*/
function _name_field_instance_settings_form($field, $instance = NULL) {
$settings = $instance['settings'];
_name_defaults($settings, 'instance_settings');
$components = _name_translations();
$form = array(
'size' => array(),
'title_display' => array(),
);
$field_options = array(
'select' => t('Drop-down'),
'text' => t('Text field'),
'autocomplete' => t('Autocomplete'));
foreach ($components as $key => $title) {
$default_field_type = ($key == 'title' || $key == 'generational')
? 'select' : 'text';
$form['field_type'][$key] = array(
'#type' => 'radios',
'#title' => t('!title field type', array('!title' => $components['title'])),
'#default_value' => isset($settings['field_type'][$key])
? $settings['field_type'][$key]
// Provides backwards compatibility with Drupal 6 modules.
: (isset($settings[$key . '_field']) ? $settings[$key . '_field'] : $default_field_type),
'#required' => TRUE,
'#options' => $field_options,
);
if (!($key == 'title' || $key == 'generational')) {
unset($form['field_type'][$key]['#options']['select']);
}
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$form['size'][$key] = array(
'#type' => 'textfield',
'#title' => t('HTML size property for !title', array('!title' => $title)),
'#default_value' => isset($settings['size']) ? $settings['size'][$key] : '',
'#required' => FALSE,
'#size' => 10,
'#description' => t('The maximum length of the field in characters. This must be between 1 and 255.'),
'#element_validate' => array('_element_validate_integer_positive'),
);
$form['title_display'][$key] = array(
'#type' => 'radios',
'#title' => t('Label display for !title', array('!title' => $title)),
'#default_value' => isset($settings['title_display'])
? $settings['title_display'][$key] : 'description',
'#options' => array(
'title' => t('above'),
'description' => t('below'),
'none' => t('hidden'),
),
'#description' => t('This controls how the label of the component is displayed in the form.'),
);
$form['inline_css'][$key] = array(
'#type' => 'textfield',
'#title' => t('Additional inline styles for !title input element.', array('!title' => $title)),
'#default_value' => isset($settings['inline_css']) ? $settings['inline_css'][$key] : '',
'#size' => 8,
);
}
$form['component_css'] = array(
'#type' => 'textfield',
'#title' => t('Component separator CSS'),
'#default_value' => empty($settings['component_css']) ? '' : $settings['component_css'],
'#description' => t('Use this to override the default CSS used when rendering each component. Use "<none>" to prevent the use of inline CSS.'),
);
$items = array(
t('The order for Asian names is Family Middle Given Title'),
t('The order for Eastern names is Title Family Given Middle'),
t('The order for Western names is Title First Middle Surname'),
);
$layout_description = t('<p>This controls the order of the widgets that are displayed in the form.</p>')
. theme('item_list', array('items' => $items))
. t('<p>Note that when you select the Asian names format, the Generational field is hidden and defaults to an empty string.</p>');
$form['component_layout'] = array(
'#type' => 'radios',
'#title' => t('Language layout'),
'#default_value' => isset($settings['component_layout']) ? $settings['component_layout'] : 'default',
'#options' => array(
'default' => t('Western names'),
'asian' => t('Asian names'),
'eastern' => t('Eastern names'),
),
'#description' => $layout_description,
);
$form['show_component_required_marker'] = array(
'#type' => 'checkbox',
'#title' => t('Show component required marker'),
'#default_value' => empty($settings['show_component_required_marker']) ? 0 : 1,
'#description' => t('Appends an asterisk after the component title if the component is required as part of a complete name.'),
);
$form['credentials_inline'] = array(
'#type' => 'checkbox',
'#title' => t('Show the credentials inline'),
'#default_value' => empty($settings['credentials_inline']) ? 0 : 1,
'#description' => t('The default position is to show the credentials on a line by themselves. This option overrides this to render the component inline.'),
);
// Add the overwrite user name option.
if ($instance['entity_type'] == 'user' && $instance['bundle'] == 'user') {
$preferred_field = variable_get('name_user_preferred', '');
$form['name_user_preferred'] = array(
'#type' => 'checkbox',
'#title' => t('Use this field to override the users login name?'),
'#default_value' => $preferred_field == $instance['field_name'] ? 1 : 0,
);
$form['override_format'] = array(
'#type' => 'select',
'#title' => t('User name override format to use'),
'#default_value' => isset($settings['override_format']) ? $settings['override_format'] : 'default',
'#options' => array('default' => t('Default')) + name_get_custom_format_options(),
);
}
else {
// We may extend this feature to Profile2 latter.
$form['override_format'] = array(
'#type' => 'value',
'#value' => isset($settings['override_format']) ? $settings['override_format'] : 'default',
);
}
return $form;
}
/**
* Implements hook_field_widget_form().
*/
function _name_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
$widget = $instance['widget'];
_name_defaults($instance['settings'], 'instance_settings');
_name_defaults($field['settings'], 'settings');
$fs = $field['settings'];
$ws = $instance['settings'];
$element += array(
'#type' => 'name_element',
'#title' => check_plain($instance['label']),
'#label' => $instance['label'],
'#components' => array(),
'#minimum_components' => array_filter($fs['minimum_components']),
'#allow_family_or_given' => !empty($fs['allow_family_or_given']),
'#default_value' => isset($items[$delta]) ? $items[$delta] : NULL,
'#field' => $field,
'#credentials_inline' => empty($ws['credentials_inline']) ? 0 : 1,
'#component_css' => empty($ws['component_css']) ? '' : $ws['component_css'],
'#component_layout' => empty($ws['component_layout']) ? 'default' : $ws['component_layout'],
'#show_component_required_marker' => !empty($ws['show_component_required_marker']),
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);
$components = array_filter($fs['components']);
foreach (_name_translations() as $key => $title) {
if (in_array($key, $components)) {
$element['#components'][$key]['type'] = 'textfield';
$size = !empty($ws['size'][$key]) ? $ws['size'][$key] : 60;
$title_display = isset($ws['title_display'][$key]) ? $ws['title_display'][$key] : 'description';
$element['#components'][$key]['title'] = check_plain($fs['labels'][$key]);
$element['#components'][$key]['title_display'] = $title_display;
$element['#components'][$key]['size'] = $size;
$element['#components'][$key]['maxlength'] = !empty($fs['max_length'][$key]) ? $fs['max_length'][$key] : 255;
// Provides backwards compatibility with Drupal 6 modules.
$field_type = ($key == 'title' || $key == 'generational') ? 'select' : 'text';
$field_type = isset($ws['field_type'][$key])
? $ws['field_type'][$key]
// Provides .
: (isset($ws[$key . '_field']) ? $ws[$key . '_field'] : $field_type);
if ($field_type == 'select') {
$element['#components'][$key]['type'] = 'select';
$element['#components'][$key]['size'] = 1;
$element['#components'][$key]['options'] = _name_field_get_options($field, $key);
}
elseif ($field_type == 'autocomplete') {
if ($sources = $field['settings']['autocomplete_source'][$key]) {
$sources = array_filter($sources);
if (!empty($sources)) {
$element['#components'][$key]['autocomplete'] = 'name/autocomplete/'
. str_replace('_', '-', $field['field_name']) . '/' . $key;
}
}
}
if (isset($ws['inline_css'][$key]) && drupal_strlen($ws['inline_css'][$key])) {
$element['#components'][$key]['attributes'] = array(
'style' => $ws['inline_css'][$key],
);
}
}
else {
$element['#components'][$key]['exclude'] = TRUE;
}
}
return $element;
}
function _name_field_get_options($field, $key) {
_name_defaults($field['settings'], 'settings');
$fs = $field['settings'];
$options = array_filter(explode("\n", $fs[$key . '_options']));
foreach ($options as $index => $opt) {
if (preg_match('/^\[vocabulary:([0-9a_z\_]{1,})\]/', trim($opt), $matches)) {
unset($options[$index]);
if (module_exists('taxonomy')) {
if ($vid = _name_get_vocabulary_id_by_code_or_number($matches[1])) {
$max_length = isset($fs['max_length'][$key]) ? $fs['max_length'][$key] : 255;
foreach (taxonomy_get_tree($vid) as $term) {
if (drupal_strlen($term->name) <= $max_length) {
$options[] = $term->name;
}
}
}
}
}
}
// Options could come from multiple sources, filter duplicates.
$options = array_unique($options);
tedfordgif
committed
if (isset($fs['sort_options']) && !empty($fs['sort_options'][$key])) {
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natcasesort($options);
}
$default = FALSE;
foreach ($options as $index => $opt) {
if (strpos($opt, '--') === 0) {
unset($options[$index]);
$default = drupal_substr($opt, 2);
}
}
$options = drupal_map_assoc(array_map('trim', $options));
if ($default !== FALSE) {
$options = array('' => $default) + $options;
}
return $options;
}
/* ---------------------------- Formatter Code ------------------------------ */
/* --------------------------- Helper Functions ----------------------------- */
/**
* Helper function to set the defaults for a name field / widget.
*/
function _name_defaults(&$settings, $key) {
$name_info = name_field_info();
$settings = isset($settings) ? (array) $settings : array();
foreach ($name_info['name'][$key] as $index => $defaults) {
if (!isset($settings[$index])) {
if (is_array($defaults)) {
if (!array_key_exists($index, $settings)) {
$settings[$index] = array();
}
$settings[$index] += $defaults;
}
else {
$settings[$index] = $defaults;
}
}
}
}
/**
* Helper form element validator: integer > 0 && <= 255.
*/
function _name_validate_varchar_range($element, &$form_state) {
$value = $element['#value'];
$min = isset($element['#min_size']) ? $element['#min_size'] : 1;
if ($value !== '' && (!is_numeric($value) || intval($value) != $value || $value < $min || $value > 255)) {
form_error($element, t('%name must be a positive integer between !min and 255.', array('%name' => $element['#title'], '!min' => $min)));
}
}
/**
* Helper function to get the vid from a machine name or number.
*/
function _name_get_vocabulary_id_by_code_or_number($value) {
$vid = FALSE;
if (empty($value)) {
return $vid;
}
if (intval($value) == $value && $vocab = taxonomy_vocabulary_load($value)) {
$vid = $value;
}
elseif ($vocab = taxonomy_vocabulary_machine_name_load($value)) {
$vid = $vocab->vid;
}
return $vid;
}