71 lines
2.1 KiB
PHP
71 lines
2.1 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2013 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class Breadcrumb_Core {
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public $title;
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public $url;
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public $first;
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public $last;
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static function instance($title, $url) {
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return new Breadcrumb($title, $url);
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}
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public function __construct($title, $url) {
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$this->title = $title;
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$this->url = $url;
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$this->first = false;
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$this->last = false;
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}
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/**
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* Return an array of Breadcrumb instances build from the parents of a given item.
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* The first and last Breadcrumb instances will be marked first/last as appropriate.
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* Each breadcrumb will have a ?show= query parameter that refers to the id of the next
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* item in line.
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*
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* @return array Breadcrumb instances
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*/
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static function array_from_item_parents($item) {
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if ($item->id == item::root()->id) {
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return array();
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}
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$bc = array_merge($item->parents()->as_array(), array($item));
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for ($i = 0; $i < count($bc) - 1; $i++) {
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$bc[$i] = new Breadcrumb($bc[$i]->title, $bc[$i]->url("show={$bc[$i+1]->id}"));
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}
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$bc[$i] = new Breadcrumb($item->title, $item->url());
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$bc[0]->set_first();
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end($bc)->set_last();
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return $bc;
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}
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public function set_first() {
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$this->first = true;
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return $this;
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}
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public function set_last() {
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$this->last = true;
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return $this;
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}
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}
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