57 lines
2.0 KiB
PHP
57 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) 2000-2012 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 image_block_block_Core {
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static function get_site_list() {
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return array("random_image" => t("Random image"));
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}
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static function get($block_id, $theme) {
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$block = "";
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switch ($block_id) {
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case "random_image":
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// The random_query approach is flawed and doesn't always return a
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// result when there actually is one. Retry a *few* times.
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// @todo Consider another fallback if further optimizations are necessary.
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$image_count = module::get_var("image_block", "image_count");
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$items = array();
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for ($i = 0; $i < $image_count; $i++) {
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$attempts = 0;
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$item = null;
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do {
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$item = item::random_query()->where("type", "!=", "album")->find_all(1)->current();
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} while (!$item && $attempts++ < 3);
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if ($item) {
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$items[] = $item;
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}
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}
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if ($items) {
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$block = new Block();
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$block->css_id = "g-image-block";
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$block->title = t2("Random image", "Random images", $image_count);
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$block->content = new View("image_block_block.html");
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$block->content->items = $items;
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}
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break;
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}
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return $block;
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}
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}
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