/**
* Standard modular run function for ajax-tree hooks. Generates XML for a tree list, which is interpreted by Javascript and expanded on-demand (via new calls).
*
* @param ?ID_TEXT The ID to do under (NULL: root)
* @param array Options being passed through
* @param ?ID_TEXT The ID to select by default (NULL: none)
* @return string XML in the special category,entry format
*/
function run($id, $options, $default = NULL)
{
require_code('galleries');
$only_owned = array_key_exists('only_owned', $options) ? is_null($options['only_owned']) ? NULL : intval($options['only_owned']) : NULL;
$editable_filter = array_key_exists('editable_filter', $options) ? $options['editable_filter'] : false;
$tree = get_gallery_content_tree('images', $only_owned, $id, NULL, NULL, is_null($id) ? 0 : 1, false, $editable_filter);
if (!has_actual_page_access(NULL, 'galleries')) {
$tree = array();
}
$out = '';
foreach ($tree as $t) {
$_id = $t['id'];
if ($id === $_id) {
foreach ($t['entries'] as $eid => $etitle) {
if (is_object($etitle)) {
$etitle = @html_entity_decode(strip_tags($etitle->evaluate()), ENT_QUOTES, get_charset());
}
$out .= '<entry id="' . xmlentities(strval($eid)) . '" title="' . xmlentities($etitle) . '" selectable="true"></entry>';
}
continue;
}
$title = $t['title'];
$has_children = $t['child_count'] != 0 || $t['child_entry_count'] != 0;
$out .= '<category id="' . xmlentities($_id) . '" title="' . xmlentities($title) . '" has_children="' . ($has_children ? 'true' : 'false') . '" selectable="false"></category>';
}
// Mark parent cats for pre-expansion
if (!is_null($default) && $default != '') {
$cat = $GLOBALS['SITE_DB']->query_value_null_ok('images', 'cat', array('id' => intval($default)));
while (!is_null($cat) && $cat != '') {
$out .= '<expand>' . $cat . '</expand>';
$cat = $GLOBALS['SITE_DB']->query_value_null_ok('galleries', 'parent_id', array('name' => $cat));
}
}
return '<result>' . $out . '</result>';
}
/**
* Get a list of maps containing all the gallery entries, and path information, under the specified gallery - and those beneath it, recursively.
*
* @param ID_TEXT The table we are working with
* @set images videos
* @param ?AUTO_LINK Only show images/videos submitted by this member (NULL: no filter)
* @param ?ID_TEXT The gallery being at the root of our recursion (NULL: true root)
* @param ?string The tree up to this point in the recursion (NULL: blank, as we are starting the recursion)
* @param ?ID_TEXT The name of the $gallery we are currently going through (NULL: look it up). This is here for efficiency reasons, as finding children IDs to recurse to also reveals the childs title
* @param ?integer The number of recursive levels to search (NULL: all)
* @param boolean Whether to get a list of child galleries (not just direct ones, recursively), instead of just IDs
* @param boolean Whether to only show for what may be edited by the current member
* @return array A list of maps for all galleries. Each map entry containins the fields 'id' (gallery ID) and 'tree' (tree path to the category, including the categories own title), and more. Or if $use_compound_list, the tree structure built with pairs containing the compound list in addition to the child branches
*/
function get_gallery_content_tree($table, $submitter = NULL, $gallery = NULL, $tree = NULL, $title = NULL, $levels = NULL, $use_compound_list = false, $editable_filter = false)
{
if (is_null($gallery)) {
$gallery = 'root';
}
if (!has_category_access(get_member(), 'galleries', $gallery)) {
return array();
}
if (is_null($tree)) {
$tree = '';
}
// Put our title onto our tree
if (is_null($title)) {
$title = get_translated_text($GLOBALS['SITE_DB']->query_value('galleries', 'fullname', array('name' => $gallery)));
}
$tree .= $title;
// We'll be putting all children in this entire tree into a single list
$children = array();
$children[0] = array();
$children[0]['id'] = $gallery;
$children[0]['title'] = $title;
$children[0]['tree'] = $tree;
$compound_list = $gallery . ',';
// Children of this category
$rows = $GLOBALS['SITE_DB']->query_select('galleries', array('name', 'fullname'), array('parent_id' => $gallery), 'ORDER BY add_date DESC', 300);
$where = array('cat' => $gallery);
if (!is_null($submitter)) {
$where['submitter'] = $submitter;
}
$erows = $GLOBALS['SITE_DB']->query_select($table, array('id', 'url', 'submitter', 'title'), $where, 'ORDER BY add_date DESC', 300);
$children[0]['entries'] = array();
foreach ($erows as $row) {
if ($editable_filter && !has_edit_permission('mid', get_member(), $row['submitter'], 'cms_galleries', array('galleries', $gallery))) {
continue;
}
$e_title = get_translated_text($row['title']);
if ($e_title == '') {
$e_title = basename($row['url']);
}
$children[0]['entries'][$row['id']] = $e_title;
}
$children[0]['child_entry_count'] = count($children[0]['entries']);
if ($levels === 0) {
$children[0]['entries'] = array();
}
$children[0]['child_count'] = count($rows);
$tree .= ' > ';
if ($levels !== 0) {
foreach ($rows as $child) {
$child_id = $child['name'];
$child_title = get_translated_text($child['fullname']);
$child_tree = $tree;
$child_children = get_gallery_content_tree($table, $submitter, $child_id, $child_tree, $child_title, is_null($levels) ? NULL : $levels - 1, $use_compound_list, $editable_filter);
if ($use_compound_list) {
list($child_children, $_compound_list) = $child_children;
$compound_list .= $_compound_list;
}
$children = array_merge($children, $child_children);
}
}
$children[0]['compound_list'] = $compound_list;
return $use_compound_list ? array($children, $compound_list) : $children;
}