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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2013 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Tag_Controller extends Controller {
public function __call($function, $args) {
$tag_id = $function;
$tag = ORM::factory("tag")->where("id", "=", $tag_id)->find();
$page_size = module::get_var("gallery", "page_size", 9);
$input = Input::instance();
$show = $input->get("show");
if ($show) {
$child = ORM::factory("item", $show);
$index = tag::get_position($tag, $child);
if ($index) {
$page = ceil($index / $page_size);
$uri = "tag/$tag_id/" . urlencode($tag->name);
url::redirect($uri . ($page == 1 ? "" : "?page=$page"));
}
} else {
$page = (int) $input->get("page", "1");
}
$children_count = $tag->items_count();
$offset = ($page-1) * $page_size;
$max_pages = max(ceil($children_count / $page_size), 1);
// Make sure that the page references a valid offset
if ($page < 1) {
url::redirect(url::merge(array("page" => 1)));
} else if ($page > $max_pages) {
url::redirect(url::merge(array("page" => $max_pages)));
}
$root = item::root();
$template = new Theme_View("page.html", "collection", "tag");
$template->set_global(
array("page" => $page,
"max_pages" => $max_pages,
"page_size" => $page_size,
"tag" => $tag,
"children" => $tag->items($page_size, $offset),
"breadcrumbs" => array(
Breadcrumb::instance($root->title, $root->url())->set_first(),
Breadcrumb::instance(t("Tag: %tag_name", array("tag_name" => $tag->name)),
$tag->url())->set_last()),
"children_count" => $children_count));
$template->content = new View("dynamic.html");
$template->content->title = t("Tag: %tag_name", array("tag_name" => $tag->name));
print $template;
item::set_display_context_callback("Tag_Controller::get_display_context", $tag->id);
}
static function get_display_context($item, $tag_id) {
$tag = ORM::factory("tag", $tag_id);
$where = array(array("type", "!=", "album"));
$position = tag::get_position($tag, $item, $where);
if ($position > 1) {
list ($previous_item, $ignore, $next_item) = $tag->items(3, $position - 2, $where);
} else {
$previous_item = null;
list ($next_item) = $tag->items(1, $position, $where);
}
$root = item::root();
return array("position" => $position,
"previous_item" => $previous_item,
"next_item" => $next_item,
"sibling_count" => $tag->items_count($where),
"siblings_callback" => array(array($tag, "items"), array()),
"breadcrumbs" => array(
Breadcrumb::instance($root->title, $root->url())->set_first(),
Breadcrumb::instance(t("Tag: %tag_name", array("tag_name" => $tag->name)),
$tag->url("show={$item->id}")),
Breadcrumb::instance($item->title, $item->url())->set_last()));
}
}
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