<?php
/*
 *  Copyright 2008 Blandware (http://www.blandware.com)
 *
 *  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.
 */

/**
 * Pager utilities.
 *
 * @package     AtleapLite
 * @author      Roman Puchkovskiy
 * @license     http://www.apache.org/licenses/LICENSE-2.0  Apache License, Version 2.0
 */

/**
 */
require_once 'include/constants.php';
require_once 'Pager/Pager.php';

/**
 * Class that has some configuration for pager.
 *
 * @package     AtleapLite
 */
class DefaultPager extends Pager {
    /**
     * Factory method.
     *
     * @global int items per page
     * @global int pager delta
     * @param array $options    pager options
     * @return object pager
     */
    function factory($options) {
        global $perPage, $pagerDelta;

        $defaultOptions = array(
            'urlVar'    => PAGE_ID_VAR,
            'perPage'   => $perPage,
            'delta'     => round($pagerDelta / 2),
            'prevImg'   => getMessage('pager.prevImg'),
            'nextImg'   => getMessage('pager.nextImg'),
            'altPrev'   => getMessage('pager.altPrev'),
            'altNext'   => getMessage('pager.altNext'),
            'altPage'   => getMessage('pager.altPage'),
            'linkClass' => 'pageLink',
            'mode'      => 'Sliding',
            'separator' => '',
            'spacesBeforeSeparator'    => 0,
            'spacesAfterSeparator'     => 1,
            'firstPageText'            => getMessage('pager.firstPageText'),
            'firstPagePre'             => '',
            'firstPagePost'            => '',
            'lastPageText'             => getMessage('pager.lastPageText'),
            'lastPagePre'              => '',
            'lastPagePost'             => '',
            'curPageLinkClassName'     => 'curPageLink',
            'excludeVars'              => array('clearFilters', 'resetPageId')
        );

        foreach ($options as $key => $value) {
            $defaultOptions[$key] = $value;
        }

        return Pager::factory($defaultOptions);
    }
}

/**
 * Creates a pager instance.
 *
 * @param array $options optional   pager options
 * @return pager instance
 */
function getPager($options = array()) {
    return DefaultPager::factory($options);
}

?>