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<?php
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// $Id: og_settings.module,v 1.4 2008/05/28 16:18:06 falimadh Exp $
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/**
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* menu hook
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*/
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function og_settings_menu($may_cache) {
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$gid = arg(1);
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if ($may_cache) {
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//
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}
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else {
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global $og_settings_conf;
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$og_settings_conf = _variable_init(isset($og_settings_conf) ? $og_settings_conf : array());
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}
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}
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/**
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* gets the value of a variable for a certain group
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*
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* @param unknown_type $gid
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*/
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function og_settings_variable_get($gid, $name, $default) {
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global $og_settings_conf;
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//dpm('variable_get');
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return isset($og_settings_conf[$gid][$name]) ? $og_settings_conf[$gid][$name] : $default;
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}
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/**
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* sets a variable for a certain group
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*
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* @param unknown_type $gid
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* @param unknown_type $name
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* @param unknown_type $value
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*/
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function og_settings_variable_set($gid, $name, $value) {
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//dpm('variable_set');
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global $og_settings_conf;
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db_lock_table('og_settings');
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db_query("DELETE FROM {og_settings} WHERE nid = %d AND name = '%s'", $gid, $name);
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db_query("INSERT INTO {og_settings} (nid, name, value) VALUES (%d, '%s', '%s')", $gid, $name, serialize($value));
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db_unlock_tables();
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cache_clear_all('og_settings_variables', 'cache');
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$og_settings_conf[$gid][$name] = $value;
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}
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/**
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* Delete a variable
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*
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* @param int $gid
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* @param string $name
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*/
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function og_settings_variable_del($gid, $name) {
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//dpm('variable_del');
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global $og_settings_conf;
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db_query("DELETE FROM {og_settings} WHERE nid = %d AND name = '%s'", $gid, $name);
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cache_clear_all('og_settings_variables', 'cache');
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unset($og_settings_conf[$gid][$name]);
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}
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function og_settings_variable_del_all($gid) {
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//dpm('variable_del');
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global $og_settings_conf;
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db_query("DELETE FROM {og_settings} WHERE nid = %d", $gid);
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cache_clear_all('og_settings_variables', 'cache');
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unset($og_settings_conf[$gid]);
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}
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/**
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* the group settings form
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*/
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function og_settings_form($form, $gid) {
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$form['buttons']['submit'] = array('#type' => 'submit', '#value' => t('Save configuration') );
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$form['buttons']['reset'] = array('#type' => 'submit', '#value' => t('Reset to defaults') );
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$form['og_settings_gid'] = array('#type' => 'hidden', '#value' => $gid);
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if (!empty($_POST) && form_get_errors()) {
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drupal_set_message(t('The settings have not been saved because of the errors.'), 'error');
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}
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$form['#base'] = 'og_settings_form';
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return $form;
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}
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/**
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* setting form submission
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*/
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function og_settings_form_submit($form_id, $form_values) {
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$gid = $form_values['og_settings_gid'];
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$op = isset($form_values['op']) ? $form_values['op'] : '';
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// Exclude unnecessary elements.
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unset($form_values['submit'], $form_values['reset'], $form_values['form_id'], $form_values['op'], $form_values['form_token']);
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unset($form_values['og_settings_gid'] );
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foreach ($form_values as $key => $value) {
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if ($op == t('Reset to defaults')) {
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og_settings_variable_del($gid, $key);
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}
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else {
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if (is_array($value) && isset($form_values['array_filter'])) {
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$value = array_keys(array_filter($value));
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}
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og_settings_variable_set($gid, $key, $value);
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}
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}
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if ($op == t('Reset to defaults')) {
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drupal_set_message(t('The configuration options have been reset to their default values.'));
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}
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else {
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drupal_set_message(t('The configuration options have been saved.'));
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}
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menu_rebuild(); // ???
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}
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/**
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* Initializes the array of variables
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*/
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function _variable_init($og_settings_conf = array()) {
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//dpm('variable init');
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if ($cached = cache_get('og_settings_variables', 'cache')) {
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$variables = unserialize($cached->data);
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}
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else {
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$result = db_query('SELECT * FROM {og_settings}');
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while ($variable = db_fetch_object($result)) {
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$variables[$variable->nid][$variable->name] = unserialize($variable->value);
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}
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cache_set('og_settings_variables', 'cache', serialize($variables));
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}
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foreach ($og_settings_conf as $nid => $array) {
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$variables[$nid] = $array;
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}
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return $variables;
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}
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