plugins/gallery/sidebar.php
author Dan
Sat, 16 Feb 2008 23:07:31 -0500
changeset 18 c1c398349651
parent 13 f6ca7cead82c
child 42 7c6e2e97aa08
permissions -rw-r--r--
Added initial support for notes (aka tags) on images, done completely (including initial load of metadata) with AJAX. They're not fixed at 100x100 like on Facebook either.
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<?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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  global $db, $session, $paths, $template, $plugins; // Common objects
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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="&lt;thumbnail&gt;" 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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?>