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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2011 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 Breadcrumb_Core {
public $title;
public $url;
public $first;
public $last;
static function instance($title, $url) {
return new Breadcrumb($title, $url);
}
public function __construct($title, $url) {
$this->title = $title;
$this->url = $url;
$this->first = false;
$this->last = false;
}
/**
* Return an array of Breadcrumb instances build from the parents of a given item.
* The first and last Breadcrumb instances will be marked first/last as appropriate.
* Each breadcrumb will have a ?show= query parameter that refers to the id of the next
* item in line.
*
* @return array Breadcrumb instances
*/
static function array_from_item_parents($item) {
if ($item->id == item::root()->id) {
return array();
}
$bc = array_merge($item->parents()->as_array(), array($item));
for ($i = 0; $i < count($bc) - 1; $i++) {
$bc[$i] = new Breadcrumb($bc[$i]->title, $bc[$i]->url("show={$bc[$i+1]->id}"));
}
$bc[$i] = new Breadcrumb($item->title, $item->url());
$bc[0]->set_first();
end($bc)->set_last();
return $bc;
}
public function set_first() {
$this->first = true;
return $this;
}
public function set_last() {
$this->last = true;
return $this;
}
}
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