1 <?php

     2 

     3 /*

     4  * Snapr

     5  * Version 0.1 beta 1

     6  * Copyright (C) 2007 Dan Fuhry

     7  *

     8  * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License

     9  * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

    10  *

    11  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied

    12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.

    13  */

    14  

    15 //

    16 // "Random Image" sidebar block

    17 //

    18 

    19 function gal_sidebar_block()

    20 {

    21   global $db, $session, $paths, $template, $plugins; // Common objects

    22   

    23   $q = $db->sql_query('SELECT img_id,img_title FROM '.table_prefix.'gallery WHERE is_folder=0;');

    24   if ( !$q )

    25     $db->_die();

    26   

    27   $images = array();

    28   while ( $row = $db->fetchrow() )

    29   {

    30     $id = intval($row['img_id']);

    31     $images[$id] = $row['img_title'];

    32   }

    33   

    34   // Loop through all gallery images until we find one we can read (typically on the first try, but you never know...)

    35   $my_image = false;

    36   while ( count($images) > 0 )

    37   {

    38     $rand = array_rand($images);

    39     $image = $images[$rand];

    40     $acl = $session->fetch_page_acl(strval($rand), 'Gallery');

    41     if ( $acl->get_permissions('read') )

    42     {

    43       $my_image = $image;

    44       break;

    45     }

    46     unset($images[$rand]);

    47   }

    48   if ( $my_image )

    49   {

    50     // Generate sidebar HTML

    51     $image_link = '<div style="padding: 5px; text-align: center;">

    52                      <a href="' . makeUrlNS('Gallery', $rand) . '">

    53                        <img alt="&lt;thumbnail&gt;" src="' . makeUrlNS('Special', 'GalleryFetcher/thumb/' . $rand) . '" style="border-width: 0; display: block; margin: 0 auto 5px auto;" />

    54                        <span style="color: black;">' . htmlspecialchars($my_image) . '</span>

    55                      </a>

    56                    </div>';

    57   }

    58   else

    59   {

    60     $image_link = 'No images in the gallery.';

    61   }

    62   $template->sidebar_widget('Random image', $image_link);

    63 }

    64 

    65 $plugins->attachHook('compile_template', 'gal_sidebar_block();');

    66 

    67 ?>