function advagg_admin_settings_form_validate

Validate form values. Used to unset variables before they get saved.

File

includes/admin.inc, line 440

Code

function advagg_admin_settings_form_validate($form, &$form_state) {
    global $conf;
    // Custom directory handling.
    if (!empty($form_state['values']['advagg_custom_files_dir'])) {
        $form_state['values']['advagg_custom_files_dir'] = trim($form_state['values']['advagg_custom_files_dir']);
        $files_dir = $form_state['values']['advagg_custom_files_dir'];
        if (!empty($files_dir) && $files_dir != $conf['advagg_custom_files_dir']) {
            // Try to create dir structure.
            $cumulative = '';
            $path_array = explode('/', $files_dir);
            foreach ($path_array as $dir) {
                if (empty($cumulative)) {
                    $cumulative = $dir;
                }
                else {
                    $cumulative .= '/' . $dir;
                }
                // If dir creation fails, bail out of loop.
                if (!file_prepare_directory($cumulative, FILE_CREATE_DIRECTORY)) {
                    break;
                }
            }
            // See if dir exists and is writable.
            if (file_prepare_directory($files_dir) == TRUE) {
                // Remove old files.
                list($css_path, $js_path) = advagg_get_root_files_dir();
                file_scan_directory($css_path, '/.*/', array(
                    'callback' => 'file_unmanaged_delete',
                ));
                @unlink($css_path);
                file_scan_directory($js_path, '/.*/', array(
                    'callback' => 'file_unmanaged_delete',
                ));
                @unlink($js_path);
                // Set new path.
                $conf['advagg_custom_files_dir'] = $files_dir;
                advagg_get_root_files_dir(TRUE);
                menu_rebuild();
            }
            else {
                form_set_error('advagg_custom_files_dir', t('%dir is not a directory or is not writable by the web server.', array(
                    '%dir' => $files_dir,
                )));
            }
        }
    }
    // If the IP field is not blank, check that its a valid address.
    if (!empty($form_state['values']['advagg_server_addr']) && $form_state['values']['advagg_server_addr'] != -1 && ip2long($form_state['values']['advagg_server_addr']) === FALSE) {
        form_set_error('advagg_server_addr', t('Must be a valid IP address.'));
    }
    // Remove non variable form info.
    unset($form_state['values']['advagg_flush']);
    unset($form_state['values']['advagg_rebuild']);
    unset($form_state['values']['advagg_forced_build']);
    unset($form_state['values']['advagg_recreate_htaccess']);
    unset($form_state['values']['advagg_reset']);
}