source: branches/dev/data/class/SC_PageNavi.php @ 17

<?php
/*
 * Copyright(c) 2000-2007 LOCKON CO.,LTD. All Rights Reserved.
 *
 * http://www.lockon.co.jp/
 */

/* ¢¨»ÈÍѾò·ï¢¨
    ¡¦form¥¿¥°¤Ë°Ê²¼¤òÄɲ乤롣
        <input type="hidden" name="pageno" value="<!--{$tpl_pageno}-->">
    ¡¦¥½¡¼¥¹¤ÎºÇ½é¤Ë°Ê²¼¤òµ­½Ò¤¹¤ë¡£
        $objPage->tpl_pageno = $_POST['pageno'];
    ¡¦$func_name¤Ë»ØÄꤹ¤ëJavaScript¤ÎÎã
        // ¥Ú¡¼¥¸¥Ê¥Ó¤Ç»ÈÍѤ¹¤ë
        function fnNaviPage(pageno) {
            document.form1['pageno'].value = pageno;
            document.form1.submit();
        }       
*/
class SC_PageNavi {
    var $now_page;      // ¸½ºß¤Î¥Ú¡¼¥¸ÈÖ¹æ
    var $max_page;      // ºÇ½ª¤Î¥Ú¡¼¥¸ÈÖ¹æ
    var $start_row;     // ³«»Ï¥ì¥³¡¼¥É
    var $strnavi;       // ¥Ú¡¼¥¸Á÷¤êʸ»úÎó
    var $arrPagenavi = array(); // ¥Ú¡¼¥¸

    // ¥³¥ó¥¹¥È¥é¥¯¥¿
    function SC_PageNavi($now_page, $all_row, $page_row, $func_name, $navi_max = NAVI_PMAX) {
        $this->arrPagenavi['mode'] = 'search';

        //¸½ºß¥Ú¡¼¥¸($now_page)¤¬Àµ¤·¤¤¿ôÃͤǤʤ¤¾ì¹ç
        if (!eregi("^[[:digit:]]+$", $now_page) || $now_page < 1 || $now_page == "") {
            $this->now_page = 1;
        } else {
            $this->now_page = $now_page;
        }
        $this->arrPagenavi['now_page'] = $this->now_page;

        // ºÇ½ª¥Ú¡¼¥¸¤Î·×»»
        $this->max_page = ceil($all_row/$page_row);

        // ºÇ½ª¥Ú¡¼¥¸¤è¤ê¤â¸½ºß¥Ú¡¼¥¸¤¬Â礭¤¤¾ì¹ç¤Ï¡¢ºÇ½é¤ËÌ᤹¡£
        if($this->max_page < $this->now_page) {
            $this->now_page = 1;
        }

        $this->start_row = ($this->now_page - 1) * $page_row;
    
        // ³«»Ï¹Ô¤¬ÉÔÀµ¤Ê¾ì¹ç
        if (!($this->start_row < $all_row && $this->start_row >= 0)) {
            $this->start_row = 0;
        }

        if($all_row > 1) {

            //¡ÖÁ°¤Ø¡×¡Ö¼¡¤Ø¡×¤ÎÀßÄê
            if ($this->now_page > 1) {
                $before="<a href=\"". $_SERVER['PHP_SELF']. "\" onclick=\"$func_name('" . (($this->now_page) - 1) . "'); return false;\"><<Á°¤Ø</a> ";
                $this->arrPagenavi['before'] = ($this->now_page) - 1;
            }else{
                $this->arrPagenavi['before'] = $this->now_page;
            }
            
            if ($this->now_page < $this->max_page) {
                $next="<a href=\"". $_SERVER['PHP_SELF']. "\" onclick=\"$func_name('" . (($this->now_page) + 1) ."'); return false;\">¼¡¤Ø>></a> ";
                $this->arrPagenavi['next'] = ($this->now_page) + 1;
            }else{
                $this->arrPagenavi['next'] = $this->now_page;
            }
            
            // ɽ¼¨¤¹¤ëºÇÂç¥Ê¥Ó¿ô¤ò·è¤á¤ë¡£
            if($navi_max == "" || $navi_max > $this->max_page) {
                // À©¸Â¥Ê¥Ó¿ô¤Î»ØÄ꤬¤Ê¤¤¡£¥Ú¡¼¥¸ºÇÂç¿ô¤¬À©¸Â¥Ê¥Ó¿ô¤è¤ê¾¯¤Ê¤¤¡£
                $disp_max = $this->max_page;
            } else {
                // ¸½ºß¤Î¥Ú¡¼¥¸¡ÜÀ©¸Â¥Ê¥Ó¿ô¤¬É½¼¨¤µ¤ì¤ë¡£
                $disp_max = $this->now_page + $navi_max - 1;
                // ¥Ú¡¼¥¸ºÇÂç¿ô¤òĶ¤¨¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢¥Ú¡¼¥¸ºÇÂç¿ô¤Ë¹ç¤ï¤»¤ë¡£
                if($disp_max > $this->max_page) {
                    $disp_max = $this->max_page;
                }
            }

            // ɽ¼¨¤¹¤ëºÇ¾®¥Ê¥Ó¿ô¤ò·è¤á¤ë¡£
            if($navi_max == "" || $navi_max > $this->now_page) {
                // À©¸Â¥Ê¥Ó¿ô¤Î»ØÄ꤬¤Ê¤¤¡£¸½ºß¥Ú¡¼¥¸Èֹ椬À©¸Â¥Ê¥Ó¿ô¤è¤ê¾¯¤Ê¤¤¡£
                $disp_min = 1;
            } else {
                // ¸½ºß¤Î¥Ú¡¼¥¸-À©¸Â¥Ê¥Ó¿ô¤¬É½¼¨¤µ¤ì¤ë¡£
                $disp_min = $this->now_page - $navi_max + 1;
            }
            
            $this->arrPagenavi['arrPageno'] = array();
            for ($i=$disp_min; $i <= $disp_max; $i++) {
                if($i != $disp_max) {
                    $sep = " | ";
                } else {
                    $sep = "";
                }
                
                if ($i == $this->now_page) {
                    $page_number .= "<strong>$i</strong> ";
                } else {
                    $page_number.="<a href=\"". $_SERVER['PHP_SELF']. "\" onclick=\"$func_name('$i'); return false;\">$i</a> ";
                }
                
                $page_number.=$sep;
                
                $this->arrPagenavi['arrPageno'][$i] = $i;
            }
            
            if ($before || $next) {
                $this->strnavi = $before .$page_number .$next;
            }
        }else{
            $this->arrPagenavi['arrPageno'][0] = 1;
            $this->arrPagenavi['before'] = 1;
            $this->arrPagenavi['next'] = 1;
        }
    }
}

?>