Locale module and language prefix in url
I had been working on module and well aware of hoo开发者_如何学Ck_menu for passing url arguments to call back. For instance:
$items['webtv/block/%/playlist/edit/%'] = array(
...
'page callback' => 'drupal_get_form',
'page arguments' => array('webtv_playlist_form', 5, 2),
...
);
and callback as
function webtv_playlist_form($form_state, $fifth_arg, $second_arg){
...
}
Beside that arg() function is another utility to get url arguments by their positions.
$second_arg = arg(2);
$fifth_arg = arg(5);
When I enable locale module to make web as multilingual, URLs are classified with prefix as language symbol. Example:
en/webtv/block/%/playlist/edit/%
OR
nl/webtv/block/%/playlist/edit/%
This thing displaces the logical placement of arguments to right, now the correct placement of arguments (according to example) is:
$second_arg = arg(3);
$fifth_arg = arg(6);
How to set-up module independent of such argument placement issues?
Looking at Drupal core code (in example, node_menu()
), menu callback using menu placeholders are not adjusted to work when locale.module is enabled, nor local.module alters the menus defined from other modules.
In fact, language_initialize()
, called on Drupal bootstrap contains the following code:
case LANGUAGE_NEGOTIATION_PATH_DEFAULT:
case LANGUAGE_NEGOTIATION_PATH:
// $_GET['q'] might not be available at this time, because
// path initialization runs after the language bootstrap phase.
$args = isset($_GET['q']) ? explode('/', $_GET['q']) : array();
$prefix = array_shift($args);
// Search prefix within enabled languages.
foreach ($languages as $language) {
if (!empty($language->prefix) && $language->prefix == $prefix) {
// Rebuild $GET['q'] with the language removed.
$_GET['q'] = implode('/', $args);
return $language;
}
}
The code is removing the language ID passed in the URL. If locale.module is correctly set, the menu callback definitions should not be changed when the module is enabled.
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