63 lines
2.0 KiB
PHP
63 lines
2.0 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 Navcarousel_Controller extends Controller {
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public function item($itemid) {
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// This function creates the xml file for jCarousel
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$curritem = ORM::factory("item", $itemid);
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$parent = $curritem->parent();
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$item_count = -1;
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// Array indexes are 0-based, jCarousel positions are 1-based.
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$first = max(0, intval($_GET['first']) - 1);
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$last = max($first + 1, intval($_GET['last']) - 1);
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$length = $last - $first + 1;
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// Build the array with the thumbnail URLs
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foreach ($parent->viewable()->children() as $photo) {
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if (!$photo->is_album()) {
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$item_count++;
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$itemlist[$item_count] = $photo->thumb_url();
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}
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}
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$total = count($itemlist);
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$selected = array_slice($itemlist, $first, $length);
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// ---
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header('Content-Type: text/xml');
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echo '<data>';
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// Return total number of images so the callback
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// can set the size of the carousel.
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echo ' <total>' . $total . '</total>';
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foreach ($selected as $img) {
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echo ' <image>' . $img . '</image>';
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}
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echo '</data>';
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}
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}
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