implemented Render_PageLinks(). Please note, this class is entirely unsupported, and no free support requests except for bug reports will be entertained by the author. */ class ADODB_Pager { var $id; // unique id for pager (defaults to 'adodb') var $db; // ADODB connection object var $sql; // sql used var $rs; // recordset generated var $curr_page; // current page number before Render() called, calculated in constructor var $rows; // number of rows per page var $linksPerPage=10; // number of links per page in navigation bar var $showPageLinks; var $gridAttributes = 'width=100% border=1 bgcolor=white'; // Localize text strings here var $first = '|<'; var $prev = '<<'; var $next = '>>'; var $last = '>|'; var $moreLinks = '...'; var $startLinks = '...'; var $gridHeader = false; var $htmlSpecialChars = true; var $page = 'Page'; var $linkSelectedColor = 'red'; var $cache = 0; #secs to cache with CachePageExecute() //---------------------------------------------- // constructor // // $db adodb connection object // $sql sql statement // $id optional id to identify which pager, // if you have multiple on 1 page. // $id should be only be [a-z0-9]* // function __construct(&$db,$sql,$id = 'adodb', $showPageLinks = false) { global $PHP_SELF; $curr_page = $id.'_curr_page'; if (!empty($PHP_SELF)) $PHP_SELF = htmlspecialchars($_SERVER['PHP_SELF']); // htmlspecialchars() to prevent XSS attacks $this->sql = $sql; $this->id = $id; $this->db = $db; $this->showPageLinks = $showPageLinks; $next_page = $id.'_next_page'; if (isset($_GET[$next_page])) { $_SESSION[$curr_page] = (integer) $_GET[$next_page]; } if (empty($_SESSION[$curr_page])) $_SESSION[$curr_page] = 1; ## at first page $this->curr_page = $_SESSION[$curr_page]; } //--------------------------- // Display link to first page function Render_First($anchor=true) { global $PHP_SELF; if ($anchor) { ?> first;?>   first   "; } } //-------------------------- // Display link to next page function render_next($anchor=true) { global $PHP_SELF; if ($anchor) { ?> next;?>   next   "; } } //------------------ // Link to last page // // for better performance with large recordsets, you can set // $this->db->pageExecuteCountRows = false, which disables // last page counting. function render_last($anchor=true) { global $PHP_SELF; if (!$this->db->pageExecuteCountRows) return; if ($anchor) { ?> last;?>   last   "; } } //--------------------------------------------------- // original code by "Pablo Costa" function render_pagelinks() { global $PHP_SELF; $pages = $this->rs->LastPageNo(); $linksperpage = $this->linksPerPage ? $this->linksPerPage : $pages; for($i=1; $i <= $pages; $i+=$linksperpage) { if($this->rs->AbsolutePage() >= $i) { $start = $i; } } $numbers = ''; $end = $start+$linksperpage-1; $link = $this->id . "_next_page"; if($end > $pages) $end = $pages; if ($this->startLinks && $start > 1) { $pos = $start - 1; $numbers .= "$this->startLinks "; } for($i=$start; $i <= $end; $i++) { if ($this->rs->AbsolutePage() == $i) $numbers .= "linkSelectedColor>$i "; else $numbers .= "$i "; } if ($this->moreLinks && $end < $pages) $numbers .= "$this->moreLinks "; print $numbers . '   '; } // Link to previous page function render_prev($anchor=true) { global $PHP_SELF; if ($anchor) { ?> prev;?>   prev   "; } } //-------------------------------------------------------- // Simply rendering of grid. You should override this for // better control over the format of the grid // // We use output buffering to keep code clean and readable. function RenderGrid() { global $gSQLBlockRows; // used by rs2html to indicate how many rows to display include_once(ADODB_DIR.'/tohtml.inc.php'); ob_start(); $gSQLBlockRows = $this->rows; rs2html($this->rs,$this->gridAttributes,$this->gridHeader,$this->htmlSpecialChars); $s = ob_get_contents(); ob_end_clean(); return $s; } //------------------------------------------------------- // Navigation bar // // we use output buffering to keep the code easy to read. function RenderNav() { ob_start(); if (!$this->rs->AtFirstPage()) { $this->Render_First(); $this->Render_Prev(); } else { $this->Render_First(false); $this->Render_Prev(false); } if ($this->showPageLinks){ $this->Render_PageLinks(); } if (!$this->rs->AtLastPage()) { $this->Render_Next(); $this->Render_Last(); } else { $this->Render_Next(false); $this->Render_Last(false); } $s = ob_get_contents(); ob_end_clean(); return $s; } //------------------- // This is the footer function RenderPageCount() { if (!$this->db->pageExecuteCountRows) return ''; $lastPage = $this->rs->LastPageNo(); if ($lastPage == -1) $lastPage = 1; // check for empty rs. if ($this->curr_page > $lastPage) $this->curr_page = 1; return "$this->page ".$this->curr_page."/".$lastPage.""; } //----------------------------------- // Call this class to draw everything. function Render($rows=10) { global $ADODB_COUNTRECS; $this->rows = $rows; if ($this->db->dataProvider == 'informix') $this->db->cursorType = IFX_SCROLL; $savec = $ADODB_COUNTRECS; if ($this->db->pageExecuteCountRows) $ADODB_COUNTRECS = true; if ($this->cache) $rs = $this->db->CachePageExecute($this->cache,$this->sql,$rows,$this->curr_page); else $rs = $this->db->PageExecute($this->sql,$rows,$this->curr_page); $ADODB_COUNTRECS = $savec; $this->rs = $rs; if (!$rs) { print "

Query failed: $this->sql

"; return; } if (!$rs->EOF && (!$rs->AtFirstPage() || !$rs->AtLastPage())) $header = $this->RenderNav(); else $header = " "; $grid = $this->RenderGrid(); $footer = $this->RenderPageCount(); $this->RenderLayout($header,$grid,$footer); $rs->Close(); $this->rs = false; } //------------------------------------------------------ // override this to control overall layout and formating function RenderLayout($header,$grid,$footer,$attributes='border=1 bgcolor=beige') { echo "
", $header, "
", $grid, "
", $footer, "
"; } }