library_pagination.php

<?php
/*
 * Copyright 2015 NACOSS UNN Developers Group (NDG).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


/**
 * This file assumes that the following variables has already been created and initialized<br/>
 * $total_pages, $page, $searchQuery,$sort_type, and $order<br/>
 * $total_pages inidicates the total number of pages.<br/>
 * $page inicates the current page.<br/>
 * $searchQuery holds the search query.<br/>
 * $sort_type contains the sort type.<br/>
 * $order contains the sort order i.e SORT_ASC or SORT_DESC.
 */
if ($total_pages > 1) {
    ?>
    <div class="pagination">
        <ul>
            <li class="first">
                <a href="library.php?<?=
                'q=' . urlencode($searchQuery)
                . '&p=1'
                . '&s=' . urlencode($sort_type)
                . '&o=' . urlencode($order)
                ?>">
                    <i class="icon-first-2"></i>
                </a>
            </li>
            <li class="prev <?= ($page - 1) < 1 ? "disabled" : "" ?>">
                <a href="library.php?<?=
                'q=' . urlencode($searchQuery)
                . '&p=' . ($page - 1)
                . '&s=' . urlencode($sort_type)
                . '&o=' . urlencode($order)
                ?>"><i class="icon-previous"></i>
                </a>
            </li>
            <?php if ($page - 2 >= 1) { ?>
                <li><a href="library.php?<?=
                    'q=' . urlencode($searchQuery)
                    . '&p=' . ($page - 2)
                    . '&s=' . urlencode($sort_type)
                    . '&o=' . urlencode($order)
                    ?>"><?= ($page - 2) ?></a>
                </li>
            <?php } ?>

            <?php if ($page - 1 >= 1) { ?>
                <li><a href="library.php?<?=
                    'q=' . urlencode($searchQuery)
                    . '&p=' . ($page - 1)
                    . '&s=' . urlencode($sort_type)
                    . '&o=' . urlencode($order)
                    ?>"><?= ($page - 1) ?></a>
                </li>
            <?php } ?>

            <li class="active">
                <a href="library.php?<?=
                'q=' . urlencode($searchQuery)
                . '&p=' . $page
                . '&s=' . urlencode($sort_type)
                . '&o=' . urlencode($order)
                ?>"><?= $page ?></a>
            </li>

            <?php if ($page + 1 <= $total_pages) { ?>
                <li><a href="library.php?<?=
                    'q=' . urlencode($searchQuery)
                    . '&p=' . ($page + 1)
                    . '&s=' . urlencode($sort_type)
                    . '&o=' . urlencode($order)
                    ?>"><?= ($page + 1) ?></a>
                </li>
            <?php } ?>

            <?php if ($page + 2 <= $total_pages) { ?>
                <li><a href="library.php?<?=
                    'q=' . urlencode($searchQuery)
                    . '&p=' . ($page + 2)
                    . '&s=' . urlencode($sort_type)
                    . '&o=' . urlencode($order)
                    ?>"><?= ($page + 2) ?></a>
                </li>
            <?php } ?>

            <li class="next <?= ($page + 1) > $total_pages ? "disabled" : "" ?>">
                <a href="library.php?<?=
                'q=' . urlencode($searchQuery)
                . '&p=' . ($page + 1)
                . '&s=' . urlencode($sort_type)
                . '&o=' . urlencode($order)
                ?>"><i class="icon-next"></i>
                </a>
            </li>
            
            <li class="last">
                <a href="library.php?<?=
                'q=' . urlencode($searchQuery)
                . '&p=' . $total_pages
                . '&s=' . urlencode($sort_type)
                . '&o=' . urlencode($order)
                ?>"><i class="icon-last-2"></i>
                </a>
            </li>
        </ul>
    </div>
<?php } ?>