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<?php
// $Id$
/**
* @file
* Hooks provided by the Locale module.
*/
/**
* @addtogroup hooks
* @{
*/
/**
* Allows modules to define their own text groups that can be translated.
*
* @param $op
* Type of operation. Currently, only supports 'groups'.
*/
function hook_locale($op = 'groups') {
switch ($op) {
case 'groups':
return array('custom' => t('Custom'));
}
}
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/**
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* Perform alterations on language switcher links.
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*
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* A language switcher link may need to point to a different path or use a
* translated link text before going through l(), which will just handle the
* path aliases.
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*
* @param $links
* Nested array of links keyed by language code.
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* @param $type
* The language type the links will switch.
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* @param $path
* The current path.
*/
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function hook_language_switch_link_alter(array &$links, $type, $path) {
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global $language;
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if ($type == LANGUAGE_TYPE_CONTENT && isset($links[$language])) {
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foreach ($links[$language] as $link) {
$link['attributes']['class'][] = 'active-language';
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}
}
}
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/**
* Allow modules to define their own language types.
*
* @return
* An array of language type definitions. Each language type has an identifier
* key. The language type definition is an associative array that may contain
* the following key-value pairs:
* - "name": The human-readable language type identifier.
* - "description": A description of the language type.
*/
function hook_language_types_info() {
return array(
'custom_language_type' => array(
'name' => t('Custom language'),
'description' => t('A custom language type.'),
),
);
}
/**
* Perform alterations on language types.
*
* @param $language_types
* Array of language type definitions.
*/
function hook_language_types_info_alter(array &$language_types) {
if (isset($language_types['custom_language_type'])) {
$language_types['custom_language_type_custom']['description'] = t('A far better description.');
}
}
/**
* Allow modules to define their own language providers.
*
* @return
* An array of language provider definitions. Each language provider has an
* identifier key. The language provider definition is an associative array
* that may contain the following key-value pairs:
* - "types": An array of allowed language types. If a language provider does
* not specify which language types it should be used with, it will be
* available for all the configurable language types.
* - "callbacks": An array of functions that will be called to perform various
* tasks. Possible key-value pairs are:
* - "language": Required. The callback that will determine the language
* value.
* - "switcher": The callback that will determine the language switch links
* associated to the current language provider.
* - "url_rewrite": The callback that will provide URL rewriting.
* - "file": A file that will be included before the callback is invoked; this
* allows callback functions to be in separate files.
* - "weight": The default weight the language provider has.
* - "name": A human-readable identifier.
* - "description": A description of the language provider.
* - "config": An internal path pointing to the language provider
* configuration page.
* - "cache": The value Drupal's page cache should be set to for the current
* language provider to be invoked.
*/
function hook_language_negotiation_info() {
return array(
'custom_language_provider' => array(
'callbacks' => array(
'language' => 'custom_language_provider_callback',
'switcher' => 'custom_language_switcher_callback',
'url_rewrite' => 'custom_language_url_rewrite_callback',
),
'file' => drupal_get_path('module', 'custom') . '/custom.module',
'weight' => -4,
'types' => array('custom_language_type'),
'name' => t('Custom language provider'),
'description' => t('This is a custom language provider.'),
'cache' => CACHE_DISABLED,
),
);
}
/**
* Perform alterations on language providers.
*
* @param $language_providers
* Array of language provider definitions.
*/
function hook_language_negotiation_info_alter(array &$language_providers) {
if (isset($language_providers['custom_language_provider'])) {
$language_providers['custom_language_provider']['config'] = 'admin/config/regional/language/configure/custom-language-provider';
}
}
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/**
* Allow modules to react to language settings changes.
*/
function hook_multilingual_settings_changed() {
cache_clear_all('field_info_types', 'cache_field');
}
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/**
* @} End of "addtogroup hooks".
*/