Beispiel #1
0
function nvweb_content($vars = array())
{
    global $website;
    global $DB;
    global $current;
    global $template;
    global $structure;
    $out = '';
    switch (@$vars['mode']) {
        case 'title':
            if ($current['type'] == 'structure') {
                $rs = nvweb_content_items($current['object']->id, true, 1);
                $texts = webdictionary::load_element_strings('item', $rs[0]->id);
                $out = $texts[$current['lang']]['title'];
            } else {
                $texts = webdictionary::load_element_strings($current['type'], $current['object']->id);
                $out = $texts[$current['lang']]['title'];
            }
            if (!empty($vars['function'])) {
                eval('$out = ' . $vars['function'] . '("' . $out . '");');
            }
            break;
        case 'date':
        case 'date_post':
            $ts = $current['object']->date_to_display;
            // if no date, return nothing
            if (!empty($ts)) {
                $out = nvweb_content_date_format(@$vars['format'], $ts);
            }
            break;
        case 'date_created':
            $ts = $current['object']->date_created;
            $out = $vars['format'];
            $out = nvweb_content_date_format($out, $ts);
            break;
        case 'comments':
            // display published comments number for the current item
            $out = nvweb_content_comments_count();
            break;
        case 'views':
            $out = $current['object']->views;
            break;
        case 'summary':
            $length = 300;
            $allowed_tags = array();
            if (!empty($vars['length'])) {
                $length = intval($vars['length']);
            }
            $texts = webdictionary::load_element_strings('item', $current['object']->id);
            $text = $texts[$current['lang']]['main'];
            if (!empty($vars['allowed_tags'])) {
                $allowed_tags = explode(',', $vars['allowed_tags']);
            }
            $out = core_string_cut($text, 300, '…', $allowed_tags);
            break;
        case 'author':
            if (!empty($current['object']->author)) {
                $nu = new user();
                $nu->load($current['object']->author);
                $out = $nu->username;
                unset($nu);
            }
            if (empty($out)) {
                $out = $website->name;
            }
            break;
        case 'structure':
            // force loading structure data
            nvweb_menu();
            $structure_id = 0;
            if ($current['type'] == 'item') {
                $structure_id = $current['object']->category;
            } else {
                if ($current['type'] == 'structure') {
                    $structure_id = $current['object']->id;
                }
            }
            switch ($vars['return']) {
                case 'path':
                    $out = $structure['routes'][$structure_id];
                    break;
                case 'title':
                    $out = $structure['dictionary'][$structure_id];
                    break;
                case 'action':
                    $out = nvweb_menu_action($structure_id);
                    break;
                default:
            }
            break;
        case 'tags':
            $tags = array();
            $search_url = nvweb_source_url('theme', 'search');
            if (!empty($search_url)) {
                $search_url .= '?q=';
            } else {
                $search_url = NVWEB_ABSOLUTE . '/nvtags?q=';
            }
            $ids = array();
            if (empty($vars['separator'])) {
                $vars['separator'] = ' ';
            }
            $class = 'item-tag';
            if (!empty($vars['class'])) {
                $class = $vars['class'];
            }
            if (!empty($vars['id'])) {
                $itm = new item();
                $itm->load($vars['id']);
                $enabled = nvweb_object_enabled($itm);
                if ($enabled) {
                    $texts = webdictionary::load_element_strings('item', $itm->id);
                    $itags = explode(',', $texts[$current['lang']]['tags']);
                    if (!empty($itags)) {
                        for ($i = 0; $i < count($itags); $i++) {
                            if (empty($itags[$i])) {
                                continue;
                            }
                            $tags[$i] = '<a class="' . $class . '" href="' . $search_url . $itags[$i] . '">' . $itags[$i] . '</a>';
                        }
                    }
                }
            } else {
                if ($current['type'] == 'item') {
                    // check publishing is enabled
                    $enabled = nvweb_object_enabled($current['object']);
                    if ($enabled) {
                        $texts = webdictionary::load_element_strings('item', $current['object']->id);
                        $itags = explode(',', $texts[$current['lang']]['tags']);
                        if (!empty($itags)) {
                            for ($i = 0; $i < count($itags); $i++) {
                                if (empty($itags[$i])) {
                                    continue;
                                }
                                $tags[$i] = '<a class="' . $class . '" href="' . $search_url . $itags[$i] . '">' . $itags[$i] . '</a>';
                            }
                        }
                    }
                } else {
                    if ($current['type'] == 'structure') {
                        $rs = nvweb_content_items($current['object']->id);
                        foreach ($rs as $category_item) {
                            $enabled = nvweb_object_enabled($category_item);
                            if ($enabled) {
                                $texts = webdictionary::load_element_strings('item', $current['object']->id);
                                $itags = explode(',', $texts[$current['lang']]['tags']);
                                if (!empty($itags)) {
                                    for ($i = 0; $i < count($itags); $i++) {
                                        $tags[$i] = '<a class="' . $class . '" href="' . $search_url . $itags[$i] . '">' . $itags[$i] . '</a>';
                                    }
                                }
                            }
                        }
                    }
                }
            }
            $out = implode($vars['separator'], $tags);
            break;
        case 'section':
        case 'body':
        default:
            if (empty($vars['section'])) {
                $vars['section'] = 'main';
            }
            $section = "section-" . $vars['section'];
            if ($current['type'] == 'item') {
                // check publishing is enabled
                $enabled = nvweb_object_enabled($current['object']);
                $texts = NULL;
                // retrieve last saved text (is a preview request from navigate)
                if ($_REQUEST['preview'] == 'true' && $current['navigate_session'] == 1) {
                    $texts = webdictionary_history::load_element_strings('item', $current['object']->id, 'latest');
                } else {
                    if ($enabled) {
                        $texts = webdictionary::load_element_strings('item', $current['object']->id);
                    }
                }
                // have we found any content?
                if (!empty($texts)) {
                    foreach ($template->sections as $tsection) {
                        if ($tsection['id'] == $vars['section'] || $tsection['code'] == $vars['section']) {
                            switch ($tsection['editor']) {
                                case 'raw':
                                    $out = nl2br($texts[$current['lang']][$section]);
                                    break;
                                case 'html':
                                case 'tinymce':
                                default:
                                    $out = $texts[$current['lang']][$section];
                                    break;
                            }
                            break;
                        }
                    }
                }
            } else {
                if ($current['type'] == 'structure') {
                    $rs = nvweb_content_items($current['object']->id);
                    foreach ($rs as $category_item) {
                        $enabled = nvweb_object_enabled($category_item);
                        if (!$enabled) {
                            continue;
                        } else {
                            $texts = webdictionary::load_element_strings('item', $category_item->id);
                            foreach ($template->sections as $tsection) {
                                if ($tsection['id'] == $vars['section'] || $tsection['code'] == $vars['section']) {
                                    switch ($tsection['editor']) {
                                        case 'raw':
                                            $texts[$current['lang']][$section] = nl2br($texts[$current['lang']][$section]);
                                            break;
                                        case 'html':
                                        case 'tinymce':
                                        default:
                                            // we don't need to change a thing
                                            // $texts[$current['lang']][$section] = $texts[$current['lang']][$section];
                                            break;
                                    }
                                    break;
                                }
                            }
                            $out .= '<div id="navigate-content-' . $category_item->id . '-' . $section . '">' . $texts[$current['lang']][$section] . '</div>';
                        }
                    }
                }
            }
            break;
    }
    return $out;
}
Beispiel #2
0
function nvweb_list_parse_tag($tag, $item, $source = 'item', $item_relative_position, $item_absolute_position, $total)
{
    global $current;
    global $website;
    global $structure;
    global $DB;
    $out = '';
    switch ($tag['attributes']['source']) {
        // special condition, return direct query result values
        case 'query':
            $out = $item->_query->{$tag}['attributes']['value'];
            break;
            // special: return element position in list
        // special: return element position in list
        case 'position':
            $position = $item_relative_position;
            if ($tag['attributes']['absolute'] == 'true') {
                $position = $item_absolute_position;
            }
            switch ($tag['attributes']['type']) {
                case 'alphabetic':
                    $out = number2alphabet($position);
                    break;
                case 'numeric':
                default:
                    $out = $position + 1;
                    // first element is 1, but in list is zero
                    break;
            }
            break;
            // NOTE: the following refers to structure information of an ITEM, useless if the source are categories!
        // NOTE: the following refers to structure information of an ITEM, useless if the source are categories!
        case 'structure':
        case 'category':
            nvweb_menu_load_dictionary();
            // load menu translations if not already done
            nvweb_menu_load_routes();
            // load menu paths if not already done
            switch ($tag['attributes']['value']) {
                case 'title':
                    if ($source == 'structure' || $source == 'category') {
                        $out = $structure['dictionary'][$item->id];
                    } else {
                        $out = $structure['dictionary'][$item->category];
                    }
                    if (!empty($tag['attributes']['length'])) {
                        $out = core_string_cut($out, $tag['attributes']['length'], '&hellip;');
                    }
                    break;
                case 'slug':
                    if ($source == 'structure' || $source == 'category') {
                        $out = $structure['dictionary'][$item->id];
                    } else {
                        $out = $structure['dictionary'][$item->category];
                    }
                    // remove spaces, special chars, etc.
                    $out = core_string_clean($out);
                    $out = slug($out);
                    break;
                case 'property':
                    $id = $item->id;
                    if ($source != 'structure' && $source != 'category') {
                        $id = $item->category;
                    }
                    $nvweb_properties_parameters = array_replace($tag['attributes'], array('mode' => !isset($tag['attributes']['mode']) ? 'structure' : $tag['attributes']['mode'], 'id' => $id, 'property' => !empty($tag['attributes']['property']) ? $tag['attributes']['property'] : $tag['attributes']['name']));
                    $out = nvweb_properties($nvweb_properties_parameters);
                    break;
                case 'url':
                case 'path':
                    if ($source == 'structure' || $source == 'category') {
                        $out = $structure['routes'][$item->id];
                    } else {
                        $out = $structure['routes'][$item->category];
                    }
                    $out = nvweb_prepare_link($out);
                    break;
                case 'id':
                    if ($source == 'structure' || $source == 'category') {
                        $out = $item->id;
                    } else {
                        // source = 'item'?
                        $out = $item->category;
                    }
                    break;
                default:
                    break;
            }
            break;
            // ITEM comments
        // ITEM comments
        case 'comment':
        case 'comments':
            switch ($tag['attributes']['value']) {
                case 'id':
                    $out = $item->id;
                    break;
                case 'avatar':
                    $size = '48';
                    $extra = '';
                    if (!empty($tag['attributes']['size'])) {
                        $size = intval($tag['attributes']['size']);
                    }
                    if (!empty($tag['attributes']['border'])) {
                        $extra .= '&border=' . $tag['attributes']['border'];
                    }
                    if (!empty($item->avatar)) {
                        $out = '<img class="' . $tag['attributes']['class'] . '" src="' . NVWEB_OBJECT . '?type=image' . $extra . '&id=' . $item->avatar . '" width="' . $size . 'px" height="' . $size . 'px"/>';
                    } else {
                        if (!empty($tag['attributes']['default'])) {
                            // the comment creator has not an avatar, but the template wants to show a default one
                            // 3 cases:
                            //  numerical   ->  ID of the avatar image file in Navigate CMS
                            //  absolute path (http://www...)
                            //  relative path (/img/avatar.png) -> path to the avatar file included in the THEME used
                            if (is_numeric($tag['attributes']['default'])) {
                                $out = '<img class="' . $tag['attributes']['class'] . '" src="' . NVWEB_OBJECT . '?type=image' . $extra . '&id=' . $tag['attributes']['default'] . '" width="' . $size . 'px" height="' . $size . 'px"/>';
                            } else {
                                if (strpos($tag['attributes']['default'], 'http://') === 0) {
                                    $out = '<img class="' . $tag['attributes']['class'] . '" src="' . $tag['attributes']['default'] . '" width="' . $size . 'px" height="' . $size . 'px"/>';
                                } else {
                                    if ($tag['attributes']['default'] == 'none') {
                                        $out = '';
                                    } else {
                                        $out = '<img class="' . $tag['attributes']['class'] . '"src="' . NAVIGATE_URL . '/themes/' . $website->theme . '/' . $tag['attributes']['default'] . '" width="' . $size . 'px" height="' . $size . 'px"/>';
                                    }
                                }
                            }
                        } else {
                            $gravatar_hash = "";
                            $gravatar_default = 'blank';
                            if (!empty($tag['attributes']['gravatar_default'])) {
                                $gravatar_default = $tag['attributes']['gravatar_default'];
                            }
                            if (!empty($item->email)) {
                                $gravatar_hash = md5(strtolower(trim($item->email)));
                            } else {
                                if (!empty($item->user)) {
                                    $email = $DB->query_single('email', 'nv_webusers', 'id = ' . protect($item->user));
                                    if (!empty($email)) {
                                        $gravatar_hash = md5(strtolower(trim($item->email)));
                                    }
                                }
                            }
                            if (!empty($gravatar_hash) && $gravatar_default != 'none') {
                                // gravatar real url: https://www.gravatar.com/avatar/
                                // we use libravatar to get more userbase
                                $gravatar_url = 'https://seccdn.libravatar.org/avatar/' . $gravatar_hash . '?s=' . $size . '&d=' . $gravatar_default;
                                $out = '<img class="' . $tag['attributes']['class'] . '" src="' . $gravatar_url . '" width="' . $size . 'px" height="' . $size . 'px"/>';
                            } else {
                                $out = '<img class="' . $tag['attributes']['class'] . '" src="data:image/gif;base64,R0lGODlhAQABAPAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" width="' . $size . 'px" height="' . $size . 'px"/>';
                            }
                        }
                    }
                    if ($tag['attributes']['linked'] == 'true' && !empty($out)) {
                        if (!empty($item->url)) {
                            $comment_link = $item->url;
                        } else {
                            if (!empty($item->user)) {
                                $wu = new webuser();
                                $wu->load($item->user);
                                $comment_link = $wu->social_website;
                            }
                        }
                        if (!empty($comment_link)) {
                            $out = '<a href="' . $comment_link . '" target="_blank">' . $out . '</a>';
                        }
                    }
                    break;
                case 'username':
                    $out = !empty($item->username) ? $item->username : $item->name;
                    if ($tag['attributes']['linked'] == 'true' && !empty($out)) {
                        if (!empty($item->url)) {
                            $comment_link = $item->url;
                        } else {
                            if (!empty($item->user)) {
                                $wu = new webuser();
                                $wu->load($item->user);
                                $comment_link = $wu->social_website;
                            }
                        }
                        if (!empty($comment_link)) {
                            $out = '<a href="' . $comment_link . '" target="_blank">' . $out . '</a>';
                        }
                    }
                    break;
                case 'website':
                    if (!empty($item->url)) {
                        $out = $item->url;
                    } else {
                        if (!empty($item->user)) {
                            $wu = new webuser();
                            $wu->load($item->user);
                            $out = $wu->social_website;
                        }
                    }
                    if (empty($out)) {
                        $out = '#';
                    }
                    break;
                case 'message':
                    if (!empty($tag['attributes']['length'])) {
                        $out = core_string_cut($item->message, $tag['attributes']['length'], '&hellip;');
                    } else {
                        $out = nl2br($item->message);
                    }
                    break;
                case 'date':
                    // Navigate CMS 1.6.6 compatibility
                    if (empty($tag['attributes']['format']) && !empty($tag['attributes']['date_format'])) {
                        $tag['attributes']['format'] = $tag['attributes']['date_format'];
                    }
                    if (!empty($tag['attributes']['format'])) {
                        // custom date format
                        $out = nvweb_content_date_format($tag['attributes']['format'], $item->date_created);
                    } else {
                        $out = date($website->date_format . ' H:i', $item->date_created);
                    }
                    break;
                case 'item_url':
                    $out = nvweb_source_url('item', $item->item, $current['lang']);
                    break;
                case 'item_title':
                    $out = $item->item_title;
                    break;
                case 'reply_to':
                    $out = $item->reply_to;
                    break;
                case 'depth':
                    $c = new comment();
                    $c->load_from_resultset(array($item));
                    $out = $c->depth();
                    break;
                case 'property':
                    $c = new comment();
                    $c->load_from_resultset(array($item));
                    // pass all nvlist tag parameters to properties nvweb, but some attribute/values take preference
                    $nvweb_properties_parameters = array_replace($tag['attributes'], array('mode' => 'comment', 'id' => $c->id, 'template' => $c->element_template(), 'property' => !empty($tag['attributes']['property']) ? $tag['attributes']['property'] : $tag['attributes']['name']));
                    $out = nvweb_properties($nvweb_properties_parameters);
                    break;
            }
            break;
        case 'block':
            switch ($tag['attributes']['value']) {
                case 'id':
                    $out = $item->id;
                    break;
                    // only for blocks in a block group!
                // only for blocks in a block group!
                case 'uid':
                    $out = $item->uid;
                    break;
                case 'block':
                    // generate the full block code
                    if ($item->type == "extension") {
                        if (function_exists('nvweb_' . $item->extension . '_' . $item->id)) {
                            // load extension block property values
                            $item->properties = property::load_properties(NULL, $item->id, "extension_block", NULL, $item->uid);
                            $out = call_user_func('nvweb_' . $item->extension . '_' . $item->id, $item);
                        }
                    } else {
                        $out = nvweb_blocks_render($item->type, $item->trigger, $item->action, NULL, NULL, $tag['attributes']);
                    }
                    break;
                    // not for extension_blocks
                // not for extension_blocks
                case 'title':
                    $out = $item->dictionary[$current['lang']]['title'];
                    if (!empty($tag['attributes']['length'])) {
                        $out = core_string_cut($out, $tag['attributes']['length'], '&hellip;');
                    }
                    break;
                case 'content':
                    if ($item->type == "extension") {
                        if (function_exists('nvweb_' . $item->extension . '_' . $item->id)) {
                            // load extension block property values
                            $item->properties = property::load_properties(NULL, $item->id, "extension_block", NULL, $item->uid);
                            $out = call_user_func('nvweb_' . $item->extension . '_' . $item->id, $item);
                        }
                    } else {
                        $out = nvweb_blocks_render($item->type, $item->trigger, $item->action, 'content', $item, $tag['attributes']);
                    }
                    break;
                    // not for extension_blocks
                // not for extension_blocks
                case 'url':
                case 'path':
                    $out = nvweb_blocks_render_action($item->action, '', $current['lang'], true);
                    if (empty($out)) {
                        $out = '#';
                    } else {
                        $out = nvweb_prepare_link($out);
                    }
                    break;
                    // not for extension_blocks
                // not for extension_blocks
                case 'target':
                    if ($item->action['action-type'][$current['lang']] == 'web-n') {
                        $out = '_blank';
                    } else {
                        $out = '_self';
                    }
                    break;
                    // not for extension_blocks (only for standard blocks and block group blocks)
                // not for extension_blocks (only for standard blocks and block group blocks)
                case 'property':
                    $properties_mode = 'block';
                    if (!is_numeric($item->id)) {
                        $properties_mode = 'block_group_block';
                    }
                    $nvweb_properties_parameters = array_replace($tag['attributes'], array('mode' => !isset($tag['attributes']['mode']) ? $properties_mode : $tag['attributes']['mode'], 'id' => $item->id, 'property' => !empty($tag['attributes']['property']) ? $tag['attributes']['property'] : $tag['attributes']['name'], 'uid' => @$item->uid));
                    $out = nvweb_properties($nvweb_properties_parameters);
                    break;
                    // not for extension_blocks
                // not for extension_blocks
                case 'poll_answers':
                    $out = nvweb_blocks_render_poll($item);
                    break;
                default:
                    break;
            }
            break;
        case 'block_link':
            switch ($tag['attributes']['value']) {
                case 'id':
                    $out = $item->id;
                    break;
                case 'title':
                    $out = $item->title;
                    if (!empty($tag['attributes']['length'])) {
                        $out = core_string_cut($out, $tag['attributes']['length'], '&hellip;');
                    }
                    break;
                case 'url':
                case 'path':
                    $out = $item->link;
                    if (empty($out)) {
                        $out = '#';
                    } else {
                        $out = nvweb_prepare_link($out);
                    }
                    break;
                case 'target':
                    if ($item->new_window == 1) {
                        $out = '_blank';
                    } else {
                        $out = '_self';
                    }
                    break;
                case 'icon':
                    $out = @$item->icon;
                    break;
                default:
                    break;
            }
            break;
        case 'block_type':
            switch ($tag['attributes']['value']) {
                case 'title':
                    $title_obj = json_decode($item->title, true);
                    if (empty($title_obj)) {
                        // not json
                        $out = $item->title;
                    } else {
                        $out = $title_obj[$current['lang']];
                    }
                    break;
            }
            break;
        case 'gallery':
            switch ($tag['attributes']['value']) {
                case 'url':
                case 'path':
                    $out = NVWEB_OBJECT . '?wid=' . $website->id . '&id=' . $item['file'] . '&amp;disposition=inline';
                    break;
                case 'thumbnail':
                case 'thumbnail_url':
                    $thumbnail_url = NVWEB_OBJECT . '?wid=' . $website->id . '&id=' . $item['file'] . '&amp;disposition=inline&amp;width=' . $tag['attributes']['width'] . '&amp;height=' . $tag['attributes']['height'] . '&amp;border=' . $tag['attributes']['border'];
                    if ($tag['attributes']['value'] == 'thumbnail_url' || @$tag['attributes']['return'] == 'url') {
                        $out = $thumbnail_url;
                    } else {
                        $out = '<img src="' . $thumbnail_url . '" alt="' . $item[$current['lang']] . '" title="' . $item[$current['lang']] . '" />';
                    }
                    break;
                case 'title':
                    $f = new file();
                    $f->load($item['file']);
                    $out = $f->title[$current['lang']];
                    break;
                case 'alt':
                case 'description':
                    $f = new file();
                    $f->load($item['file']);
                    $out = $f->description[$current['lang']];
                    break;
                default:
                    $out = '<a href="' . NVWEB_OBJECT . '?wid=' . $website->id . '&id=' . $item['file'] . '&amp;disposition=inline">
                                <img src="' . NVWEB_OBJECT . '?wid=' . $website->id . '&id=' . $item['file'] . '&amp;disposition=inline&amp;width=' . $tag['attributes']['width'] . '&amp;height=' . $tag['attributes']['height'] . '&amp;border=' . $tag['attributes']['border'] . '"
									 alt="' . $item[$current['lang']] . '" title="' . $item[$current['lang']] . '" />
                            </a>';
                    break;
            }
            break;
        case 'item':
            // useful also for source="structure" (but some are nonsense: title, comments, etc)
        // useful also for source="structure" (but some are nonsense: title, comments, etc)
        default:
            switch ($tag['attributes']['value']) {
                case 'id':
                    $out = $item->id;
                    break;
                case 'slug':
                    $lang = $current['lang'];
                    if (!empty($tag['attributes']['lang'])) {
                        $lang = $tag['attributes']['lang'];
                    }
                    $out = $item->dictionary[$lang]['title'];
                    // remove spaces, special chars, etc.
                    $out = core_string_clean($out);
                    $out = slug($out);
                    break;
                case 'title':
                    $lang = $current['lang'];
                    if (!empty($tag['attributes']['lang'])) {
                        $lang = $tag['attributes']['lang'];
                    }
                    $out = $item->dictionary[$lang]['title'];
                    if (!empty($tag['attributes']['length'])) {
                        $out = core_string_cut($out, $tag['attributes']['length'], '&hellip;', $tag['attributes']['length']);
                    }
                    break;
                case 'author':
                    if (!empty($item->author)) {
                        $nu = new user();
                        $nu->load($item->author);
                        $out = $nu->username;
                        unset($nu);
                    }
                    if (empty($out)) {
                        $out = $website->name;
                    }
                    break;
                case 'date':
                case 'date_post':
                    if (!empty($tag['attributes']['format'])) {
                        // custom date format
                        $out = nvweb_content_date_format($tag['attributes']['format'], $item->date_to_display);
                    } else {
                        $out = date($website->date_format, $item->date_to_display);
                    }
                    break;
                case 'content':
                case 'section':
                    if ($source == 'structure' && $tag['attributes']['source'] == 'item') {
                        $items = nvweb_content_items($item->id, true, 1, false, 'priority');
                        // we force finding the first non-embedded item ordered by priority
                        if (empty($items)) {
                            $items = nvweb_content_items($item->id, true, 1, true, 'priority');
                        }
                        // find the first embedded item ordered by priority
                        $item = $items[0];
                    }
                    $section = $tag['attributes']['section'];
                    if (empty($section)) {
                        $section = 'main';
                    }
                    $out = $item->dictionary[$current['lang']]['section-' . $section];
                    if (!empty($tag['attributes']['length'])) {
                        $allowed_tags = '';
                        if (!empty($tag['attributes']['allowed_tags'])) {
                            $allowed_tags = explode(',', $tag['attributes']['allowed_tags']);
                        }
                        $out = core_string_cut($out, $tag['attributes']['length'], '&hellip;', $allowed_tags);
                    }
                    break;
                case 'comments':
                    $out = nvweb_content_comments_count($item->id);
                    break;
                case 'gallery':
                    $params = array('item' => $item->id);
                    $params = array_merge($params, $tag['attributes']);
                    $out = nvweb_gallery($params);
                    break;
                case 'image':
                case 'photo':
                    $photo = @array_shift(array_keys($item->galleries[0]));
                    if (empty($photo)) {
                        $out = NVWEB_OBJECT . '?type=transparent';
                    } else {
                        $out = NVWEB_OBJECT . '?wid=' . $website->id . '&id=' . $photo . '&amp;disposition=inline&amp;width=' . $tag['attributes']['width'] . '&amp;height=' . $tag['attributes']['height'] . '&amp;border=' . $tag['attributes']['border'];
                    }
                    break;
                case 'url':
                case 'path':
                    // rss -> full url
                    // item -> relative url
                    // embedded item -> category url
                    if ($item->embedding == 1 && $item->association == 'category') {
                        nvweb_menu_load_routes();
                        // load menu paths if not already done
                        $out = nvweb_prepare_link($structure['routes'][$item->category]);
                    } else {
                        $path = $item->paths[$current['lang']];
                        if (empty($path)) {
                            $path = '/node/' . $item->id;
                        }
                        $out = nvweb_prepare_link($path);
                    }
                    break;
                case 'tags':
                    // pass all nvlist tag parameters to the content nvweb, but some attribute/values take preference
                    $nvweb_parameters = array_replace($tag['attributes'], array('mode' => 'tags', 'id' => $item->id));
                    $out = nvweb_content($nvweb_parameters);
                    break;
                case 'score':
                    $out = nvweb_votes_calc($item, $tag['attributes']['round'], $tag['attributes']['half'], $tag['attributes']['min'], $tag['attributes']['max']);
                    break;
                case 'votes':
                    $out = intval($item->votes);
                    break;
                case 'views':
                    $out = intval($item->views);
                    break;
                case 'property':
                    if ($source == 'structure' && $tag['attributes']['source'] == 'item') {
                        $items = nvweb_content_items($item->id, true, 1, false, 'priority');
                        // we force finding the first non-embedded item ordered by priority
                        if (empty($items)) {
                            $items = nvweb_content_items($item->id, true, 1, true, 'priority');
                        }
                        // find the first embedded item ordered by priority
                        $item = $items[0];
                        $source = "item";
                    }
                    // pass all nvlist tag parameters to properties nvweb, but some attribute/values take preference
                    $nvweb_properties_parameters = array_replace($tag['attributes'], array('mode' => $source == 'structure' || $source == 'category' ? 'structure' : 'item', 'id' => $item->id, 'template' => $item->template, 'property' => !empty($tag['attributes']['property']) ? $tag['attributes']['property'] : $tag['attributes']['name']));
                    $out = nvweb_properties($nvweb_properties_parameters);
                    break;
                default:
                    // maybe a special tag not related to a source? (unimplemented)
            }
            break;
    }
    return $out;
}