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<?php
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/**
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* @file
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* Plugin to provide access control based upon term vocabulary
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*/
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/**
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* Plugins are described by creating a $plugin array which will be used
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* by the system that includes this file.
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*/
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$plugin = array(
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'title' => t("Forum: forum"),
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'description' => t('Control access by which forum is in use.'),
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'callback' => 'advanced_forum_forum_id_ctools_access_check',
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'default' => array('tids' => array()),
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'settings form' => 'advanced_forum_forum_id_ctools_access_settings',
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'settings form submit' => 'advanced_forum_forum_id_ctools_access_settings_submit',
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'summary' => 'advanced_forum_forum_id_ctools_acesss_summary',
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'required context' => new ctools_context_required(t('Forum'), array('forum')),
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);
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/**
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* Settings form for the 'by term_vocabulary' access plugin.
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*/
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function advanced_forum_forum_id_ctools_access_settings($form, &$form_state, $conf) {
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$options = array();
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$vocabulary = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', ''));
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$options[0] = $vocabulary->name;
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$tree = taxonomy_get_tree($vocabulary->vid);
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if ($tree) {
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foreach ($tree as $term) {
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$choice = new stdClass();
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$choice->option = array($term->tid => str_repeat('-', $term->depth + 1) . $term->name);
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$options[] = $choice;
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}
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}
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$form['settings']['tids'] = array(
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'#type' => 'select',
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'#title' => t('Forums'),
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'#default_value' => $conf['tids'],
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'#options' => $options,
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'#multiple' => TRUE,
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'#size' => $multiple ? min(9, count($options)) : 0,
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);
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return $form;
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}
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/**
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* Compress the term_vocabularys allowed to the minimum.
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*/
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function advanced_forum_forum_id_ctools_access_settings_submit($form, &$form_state) {
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$form_state['values']['settings']['rids'] = array_keys(array_filter($form_state['values']['settings']['rids']));
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}
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/**
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* Check for access.
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*/
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function advanced_forum_forum_id_ctools_access_check($conf, $context) {
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// As far as I know there should always be a context at this point, but this
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// is safe.
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if (empty($context) || empty($context->data) || !isset($context->data->tid)) {
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return FALSE;
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}
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if (!empty($conf['tids']) && !isset($conf['tids'][$context->data->tid])) {
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Provide a summary description based upon the checked term_vocabularys.
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*/
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function advanced_forum_forum_id_ctools_acesss_summary($conf, $context) {
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$vocabulary = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', ''));
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if (empty($conf['tids'])) {
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return t('@identifier is any forum', array('@identifier' => $context->identifier));
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}
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$names = array();
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if (in_array(0, $conf['tids'])) {
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$names[] = check_plain($vocabulary->name);
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}
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$result = db_query("SELECT name FROM {taxonomy_term_data} WHERE tid IN (" . implode(',', $conf['tids']) . ")");
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while ($term = $result->fetchObject()) {
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$names[] = check_plain($term->name);
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}
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if (empty($names)) {
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return t('@identifier is any forum', array('@identifier' => $context->identifier));
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}
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return format_plural(count($names), '@identifier is "@tids"', '@identifier is one of "@tids"', array(
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'@tids' => implode(', ', $names),
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'@identifier' => $context->identifier,
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)
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);
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}
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