<?php if(!defined('entry') || !entry) die('Not a valid page'); class pagination{ /* Script Name: *Digg Style Paginator Class Script URI: http://www.mis-algoritmos.com/2007/05/27/digg-style-pagination-class/ Description: Class in PHP that allows to use a pagination like a digg or sabrosus style. Script Version: 0.3 Author: Victor De la Rocha Author URI: http://www.mis-algoritmos.com */ /*Default values*/ var $total_pages = null; var $limit = null; var $target = ""; var $page = 1; var $adjacents = 2; var $showCounter = false; var $className = "pagination"; var $parameterName = "page"; var $urlF = false;//urlFriendly /*Buttons next and previous*/ var $nextT = "Next"; var $nextI = "»"; //► var $prevT = "Previous"; var $prevI = "«"; //◄ /*****/ var $calculate = false; #Total items function items($value){$this->total_pages = intval($value);} #how many items to show per page function limit($value){$this->limit = intval($value);} #Page to sent the page value function target($value){$this->target = $value;} #Current page function currentPage($value){$this->page = intval($value);} #How many adjacent pages should be shown on each side of the current page? function adjacents($value){$this->adjacents = intval($value);} #show counter? function showCounter($value=""){$this->showCounter=($value===true)?true:false;} #to change the class name of the pagination div function changeClass($value=""){$this->className=$value;} function nextLabel($value){$this->nextT = $value;} function nextIcon($value){$this->nextI = $value;} function prevLabel($value){$this->prevT = $value;} function prevIcon($value){$this->prevI = $value;} #to change the class name of the pagination div function parameterName($value=""){$this->parameterName=$value;} #to change urlFriendly function urlFriendly($value="%"){ if(eregi('^ *$',$value)){ $this->urlF=false; return false; } $this->urlF=$value; } var $pagination; function pagination(){} function show(){ if(!$this->calculate) if($this->calculate()) echo "<div class=\"$this->className\">$this->pagination</div>"; } function getPagination(){ if(!$this->calculate) if($this->calculate()) return "<div class=\"$this->className\">$this->pagination</div>"; } function get_pagenum_link($id){ //if(strpos($this->target,'?')===false) if($this->urlF) return str_replace($this->urlF,$id,$this->target); else return "$this->target?$this->parameterName=$id"; //else //return "$this->target&$this->parameterName=$id"; } function calculate(){ $this->pagination = ""; $this->calculate == true; $error = false; if($this->urlF and $this->urlF != '%' and strpos($this->target,$this->urlF)===false){ //Es necesario especificar el comodin para sustituir echo "Especificaste un wildcard para sustituir, pero no existe en el target<br />"; $error = true; }elseif($this->urlF and $this->urlF == '%' and strpos($this->target,$this->urlF)===false){ echo "Es necesario especificar en el target el comodin % para sustituir el n�mero de p�gina<br />"; $error = true; } if($this->total_pages == null){ echo "It is necessary to specify the <strong>number of pages</strong> (\$class->items(1000))<br />"; $error = true; } if($this->limit == null){ echo "It is necessary to specify the <strong>limit of items</strong> to show per page (\$class->limit(10))<br />"; $error = true; } if($error)return false; $n = trim($this->nextT.' '.$this->nextI); $p = trim($this->prevI.' '.$this->prevT); /* Setup vars for query. */ if($this->page) $start = ($this->page - 1) * $this->limit; //first item to display on this page else $start = 0; //if no page var is given, set start to 0 /* Setup page vars for display. */ if ($this->page == 0) $this->page = 1; //if no page var is given, default to 1. $prev = $this->page - 1; //previous page is page - 1 $next = $this->page + 1; //next page is page + 1 $lastpage = ceil($this->total_pages/$this->limit); //lastpage is = total pages / items per page, rounded up. $lpm1 = $lastpage - 1; //last page minus 1 /* Now we apply our rules and draw the pagination object. We're actually saving the code to a variable in case we want to draw it more than once. */ if($lastpage > 1){ //anterior button if($this->page > 1) $this->pagination .= "<a href=\"".$this->get_pagenum_link($prev)."\">$p</a>"; else $this->pagination .= "<span class=\"disabled\">$p</span>"; //pages if ($lastpage < 7 + ($this->adjacents * 2)){//not enough pages to bother breaking it up for ($counter = 1; $counter <= $lastpage; $counter++){ if ($counter == $this->page) $this->pagination .= "<span class=\"current\">$counter</span>"; else $this->pagination .= "<a href=\"".$this->get_pagenum_link($counter)."\">$counter</a>"; } } elseif($lastpage > 5 + ($this->adjacents * 2)){//enough pages to hide some //close to beginning; only hide later pages if($this->page < 1 + ($this->adjacents * 2)){ for ($counter = 1; $counter < 4 + ($this->adjacents * 2); $counter++){ if ($counter == $this->page) $this->pagination .= "<span class=\"current\">$counter</span>"; else $this->pagination .= "<a href=\"".$this->get_pagenum_link($counter)."\">$counter</a>"; } $this->pagination .= "..."; $this->pagination .= "<a href=\"".$this->get_pagenum_link($lpm1)."\">$lpm1</a>"; $this->pagination .= "<a href=\"".$this->get_pagenum_link($lastpage)."\">$lastpage</a>"; } //in middle; hide some front and some back elseif($lastpage - ($this->adjacents * 2) > $this->page && $this->page > ($this->adjacents * 2)){ $this->pagination .= "<a href=\"".$this->get_pagenum_link(1)."\">1</a>"; $this->pagination .= "<a href=\"".$this->get_pagenum_link(2)."\">2</a>"; $this->pagination .= "..."; for ($counter = $this->page - $this->adjacents; $counter <= $this->page + $this->adjacents; $counter++) if ($counter == $this->page) $this->pagination .= "<span class=\"current\">$counter</span>"; else $this->pagination .= "<a href=\"".$this->get_pagenum_link($counter)."\">$counter</a>"; $this->pagination .= "..."; $this->pagination .= "<a href=\"".$this->get_pagenum_link($lpm1)."\">$lpm1</a>"; $this->pagination .= "<a href=\"".$this->get_pagenum_link($lastpage)."\">$lastpage</a>"; } //close to end; only hide early pages else{ $this->pagination .= "<a href=\"".$this->get_pagenum_link(1)."\">1</a>"; $this->pagination .= "<a href=\"".$this->get_pagenum_link(2)."\">2</a>"; $this->pagination .= "..."; for ($counter = $lastpage - (2 + ($this->adjacents * 2)); $counter <= $lastpage; $counter++) if ($counter == $this->page) $this->pagination .= "<span class=\"current\">$counter</span>"; else $this->pagination .= "<a href=\"".$this->get_pagenum_link($counter)."\">$counter</a>"; } } //siguiente button if ($this->page < $counter - 1) $this->pagination .= "<a href=\"".$this->get_pagenum_link($next)."\">$n</a>"; else $this->pagination .= "<span class=\"disabled\">$n</span>"; if($this->showCounter)$this->pagination .= "<div class=\"pagination_data\">($this->total_pages Pages)</div>"; } return true; } } ?>