total_pages = (int)$value;
}
#how many items to show per page
function limit($value) {
$this->limit = (int)$value;
}
#Page to sent the page value
function target($value) {
$this->target = $value;
}
#Current page
function currentPage($value) {
$this->page = (int)$value;
}
#How many adjacent pages should be shown on each side of the current page?
function adjacents($value) {
$this->adjacents = (int)$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 ($this->calculate()) return "className\">$this->pagination
\n";
}
function getOutput() {
if (!$this->calculate)
if ($this->calculate()) return "className\">$this->pagination
\n";
}
function get_pagenum_link($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
";
$error = true;
} elseif ($this->urlF and $this->urlF == '%' and strpos($this->target, $this->urlF) === false) {
echo "Es necesario especificar en el target el comodin % para sustituir el número de página
";
$error = true;
}
if ($this->total_pages < 0) {
echo "It is necessary to specify the number of pages (\$class->items(1000))
";
$error = true;
}
if ($this->limit == null) {
echo "It is necessary to specify the limit of items to show per page (\$class->limit(10))
";
$error = true;
}
if ($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. */
$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) {
if ($this->page) {
//anterior button
if ($this->page > 1) $this->pagination .= "get_pagenum_link($prev).
"\" class=\"prev-page\">$p";
else $this->pagination .= "$p";
}
//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) $this->pagination .= "$counter";
else $this->pagination .= "get_pagenum_link($counter)."\">$counter";
}
} elseif ($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) $this->pagination .= "$counter";
else $this->pagination .= "get_pagenum_link($counter)."\">$counter";
}
$this->pagination .= "...";
$this->pagination .= "get_pagenum_link($lpm1)."\">$lpm1";
$this->pagination .= "get_pagenum_link($lastpage)."\">$lastpage";
}
//in middle; hide some front and some back
elseif ($lastpage - ($this->adjacents * 2) > $this->page && $this->page > ($this->
adjacents * 2)) {
$this->pagination .= "get_pagenum_link(1)."\">1";
$this->pagination .= "get_pagenum_link(2)."\">2";
$this->pagination .= "...";
for ($counter = $this->page - $this->adjacents; $counter <= $this->page + $this->
adjacents; $counter++)
if ($counter == $this->page) $this->pagination .= "$counter";
else $this->pagination .= "get_pagenum_link($counter)."\">$counter";
$this->pagination .= "...";
$this->pagination .= "get_pagenum_link($lpm1)."\">$lpm1";
$this->pagination .= "get_pagenum_link($lastpage)."\">$lastpage";
}
//close to end; only hide early pages
else {
$this->pagination .= "get_pagenum_link(1)."\">1";
$this->pagination .= "get_pagenum_link(2)."\">2";
$this->pagination .= "...";
for ($counter = $lastpage - (2 + ($this->adjacents * 2)); $counter <= $lastpage;
$counter++)
if ($counter == $this->page) $this->pagination .= "$counter";
else $this->pagination .= "get_pagenum_link($counter)."\">$counter";
}
}
if ($this->page) {
//siguiente button
if ($this->page < $counter - 1) $this->pagination .= "
get_pagenum_link($next)."\" class=\"next-page\">$n";
else $this->pagination .= "$n";
if ($this->showCounter) $this->pagination .= "";
}
}
return true;
}
} ?>