"; $return_menu_table .= "\r"; $return_menu_table .= "\r"; if (is_array($album_names)) { foreach ($album_names as $album_name) { $return_menu_table .= "\r"; } } $return_menu_table .= "
"; $return_menu_table .= "".directory_name($album_name).""; $return_menu_table .= "
\r"; $return_menu_table .= "\r"; $return_menu_table .= ""; return $return_menu_table; } //this function returns an array of valid image filenames within the supplied //relative directory function return_image_filenames($dir_name) { $file_list = array(); $i = 0; $ext = ''; if (is_dir($dir_name)) { $handle = opendir($dir_name); while ($dir_name != '' && $file = readdir($handle)) { $ext = strrchr( $file, '.' ); if (!is_dir($dir_name."/".$file) && $ext == '.jpg' || $ext == '.gif') { $file_list[$i] = $file; $i++; } } closedir($handle); } sort($file_list); return $file_list; } //this function returns all the start indexes (also previous) function return_factors($total, $multiple) { $factors = array(); $curr_factor = 0; array_push($factors, 0); while ($curr_factor < $total) { $curr_factor += $multiple; if ($curr_factor <= $total) array_push($factors, $curr_factor); } return $factors; } function return_previous($start_index, $max_thumbs, $num_images, $gallery) { $start_indexes = return_factors ($num_images, $max_thumbs); $prev_index = $start_indexes[array_search($start_index, $start_indexes)-1]; if (is_integer($prev_index)) $return_prev = "Prev    "; return $return_prev; } function return_next($start_index, $max_thumbs, $num_images, $gallery) { $start_indexes = return_factors ($num_images, $max_thumbs); $next_index = $start_indexes[array_search($start_index, $start_indexes)+1]; if (is_integer($next_index)) $return_next = "Next"; return $return_next; } //at the moment this function is replica of return_thumbnails_table in structure //but it returns a css defined list which takes care of thumb wrapping function return_thumbnails($max_thumbs=20, $start_index=-1, $gallery='') { $image_files = return_image_filenames('gallery/'.$gallery); if (sizeof($image_files) != 0 && $start_index >= 0 && is_numeric($start_index)) { $thumbs_table = ""; $thumbs_table .= "
\r"; $thumbs_table .= "
\r"; $thumbs_table .= "".return_previous($start_index, $max_thumbs, sizeof($image_files), $gallery).""; $thumbs_table .= "".return_next($start_index, $max_thumbs, sizeof($image_files), $gallery).""; $thumbs_table .= "
\r"; $index_counter = $start_index; $thumb_counter = 0; $thumbs_table .= "
    \r"; while ($index_counter <= sizeof($image_files)-1) { $thumbs_table .= "
    • \r"; $index_counter++; $thumb_counter++; if ($thumb_counter == $max_thumbs) { break;//out of while loop } } $thumbs_table .= "
\r"; $thumbs_table .= ""; $thumbs_table .= "
\r"; } else { $thumbs_table = return_sub_albums(); } return $thumbs_table; } function return_thumbnails_table($columns=4, $max_thumbs=20, $start_index=-1, $gallery='') { $image_files = return_image_filenames('gallery/'.$gallery); if (sizeof($image_files) != 0 && $start_index >= 0 && is_numeric($start_index)) { $thumbs_table = "\r"; $col_count = 1; $index_counter = $start_index; $thumb_counter = 0; while ($index_counter < sizeof($image_files)) { if ($col_count == 1) $thumbs_table .= "\r\r"; $thumbs_table .= "\r"; $col_count++; $index_counter++; $thumb_counter++; if ($col_count == ($columns + 1)) { $thumbs_table .= "\r\r"; $col_count = 1; } if ($thumb_counter == $max_thumbs) { break;//out of while loop } } if ($col_count <= $columns && $col_count > 1) $thumbs_table .= "\r\r"; $thumbs_table .= "
\r"; echo return_previous($start_index, $max_thumbs, sizeof($image_files), $gallery); echo return_next($start_index, $max_thumbs, sizeof($image_files), $gallery); } else { $thumbs_table = return_sub_albums(); } return $thumbs_table; } //this function returns the "previous" link for the enlarged picture slide function return_prev_link($index='-1', $gallery) { if ($index < 0 || !is_numeric($index)) { $return_prev_link = "";//nothing } else { $return_prev_link = "prev"; } return $return_prev_link; } //this function returns the "next" link for the enlarged picture slide function return_next_link($index='', $gallery, $max_index) { if (!is_numeric($index) || $index == $max_index) { $return_next_link = "";//nothing } else { $return_next_link = "next"; } return $return_next_link; } //this function returns the enlarged version of the selected thumbnail with appropriate prev/next links function return_enlarge_picture($index = '', $gallery='') { $image_files = return_image_filenames('gallery/'.$gallery); if (sizeof($image_files) != 0 && $index <= sizeof($image_files) && $gallery != '' && is_numeric($index) && $index >= 0) { $return_enlarge_table = "\r"; $return_enlarge_table .= "\r"; $return_enlarge_table .= ""; $return_enlarge_table .= ""; $return_enlarge_table .= ""; $return_enlarge_table .= ""; $return_enlarge_table .= ""; $return_enlarge_table .= ""; $return_enlarge_table .= ""; $return_enlarge_table .= ""; $return_enlarge_table .= ""; $return_enlarge_table .= ""; $return_enlarge_table .= "
"; $return_enlarge_table .= "

".return_prev_link($index-1, $gallery)."

".return_next_link($index+1, $gallery, sizeof($image_files))."

"; } else { $return_enlarge_table = return_sub_albums(); } return $return_enlarge_table; } ?>