author | Dan Fuhry <dan@enanocms.org> |
Sun, 19 Sep 2010 03:51:00 -0400 (2010-09-19) | |
changeset 45 | 740bbe1f4dd5 |
parent 42 | 7c6e2e97aa08 |
permissions | -rw-r--r-- |
5 | 1 |
<?php |
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/* |
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* Snapr |
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* Version 0.1 beta 1 |
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* Copyright (C) 2007 Dan Fuhry |
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* |
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* This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 of the License, or (at 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 WITHOUT ANY WARRANTY; without even the implied |
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. |
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*/ |
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// |
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// "Random Image" sidebar block |
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// |
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function gal_sidebar_block() |
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{ |
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7c6e2e97aa08
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global $db, $session, $paths, $template, $plugins; // Common objects |
7c6e2e97aa08
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$q = $db->sql_query('SELECT img_id,img_title FROM '.table_prefix.'gallery WHERE is_folder=0;'); |
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if ( !$q ) |
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$db->_die(); |
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$images = array(); |
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while ( $row = $db->fetchrow() ) |
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{ |
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$id = intval($row['img_id']); |
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$images[$id] = $row['img_title']; |
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} |
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// Loop through all gallery images until we find one we can read (typically on the first try, but you never know...) |
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$my_image = false; |
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while ( count($images) > 0 ) |
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{ |
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$rand = array_rand($images); |
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$image = $images[$rand]; |
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$acl = $session->fetch_page_acl(strval($rand), 'Gallery'); |
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if ( is_object($acl) && $acl->get_permissions('read') ) |
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{ |
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$my_image = $image; |
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break; |
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} |
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unset($images[$rand]); |
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} |
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if ( $my_image ) |
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{ |
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// Generate sidebar HTML |
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$image_link = '<div style="padding: 5px; text-align: center;"> |
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<a href="' . makeUrlNS('Gallery', $rand) . '"> |
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<img alt="<thumbnail>" src="' . makeUrlNS('Special', 'GalleryFetcher/thumb/' . $rand) . '" style="border-width: 0; display: block; margin: 0 auto 5px auto;" /> |
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<span style="color: black;">' . htmlspecialchars($my_image) . '</span> |
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</a> |
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</div>'; |
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} |
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else |
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{ |
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$image_link = 'No images in the gallery.'; |
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} |
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$template->sidebar_widget('Random image', $image_link); |
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} |
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$plugins->attachHook('compile_template', 'gal_sidebar_block();'); |
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?> |