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<?php
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/**
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* @file
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* Plugin to provide an argument handler for a user id
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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: ID"),
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// Keyword to use for %substitution.
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'keyword' => 'forum',
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'description' => t('Creates a forum context from a forum ID argument.'),
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'context' => 'advanced_forum_argument_forum_id_context',
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'placeholder form' => array(
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'#type' => 'textfield',
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'#description' => t('Enter the forum ID of a form for this argument'),
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),
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'settings form' => 'advanced_forum_forum_id_settings_form',
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'breadcrumb' => 'advanced_forum_forum_id_breadcrumb',
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'default' => array('breadcrumb' => TRUE),
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);
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/**
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* Discover if this argument gives us the user we crave.
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*/
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function advanced_forum_argument_forum_id_context($arg = NULL, $conf = NULL, $empty = FALSE) {
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// If unset it wants a generic, unfilled context.
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if ($empty) {
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return ctools_context_create_empty('forum');
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}
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if (!is_numeric($arg)) {
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return NULL;
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}
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if ($arg != 0) {
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$term = taxonomy_term_load($arg);
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}
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if ($arg == 0 || empty($term) || $term->vid != variable_get('forum_nav_vocabulary', 0)) {
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$term = taxonomy_vocabulary_load(variable_get('forum_nav_vocabulary', 0));
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$term->tid = 0;
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}
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if (!$term) {
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return NULL;
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}
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return ctools_context_create('forum', $term);
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}
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/**
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* Settings form for the argument.
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*/
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function advanced_forum_forum_id_settings_form(&$form, &$form_state, $conf) {
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$form['settings']['breadcrumb'] = array(
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'#title' => t('Inject hierarchy into breadcrumb trail'),
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'#type' => 'checkbox',
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'#default_value' => !empty($conf['breadcrumb']),
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'#description' => t('If checked, forum parents will appear in the breadcrumb trail.'),
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);
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}
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/**
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* Inject the breadcrumb trail if necessary.
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*/
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function advanced_forum_forum_id_breadcrumb($conf, $context) {
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if (empty($conf['breadcrumb'])) {
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return;
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}
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$breadcrumb = array();
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if (isset($context->data->parents)) {
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$parents = array_reverse($context->data->parents);
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if (!empty($parents)) {
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foreach ($parents as $p) {
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if ($p->tid != $context->data->tid) {
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$breadcrumb[] = l($p->name, 'forum/' . $p->tid);
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}
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}
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}
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}
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$breadcrumb = array_merge(drupal_get_breadcrumb(), $breadcrumb);
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drupal_set_breadcrumb($breadcrumb);
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}
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