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<?php | |
class Pager | |
{ | |
public $path; | |
public $page = 1; | |
public $perPage = 15; | |
public $offset; | |
public $totalPages; | |
public $total; | |
public $lastPage; | |
public $prev; | |
public $next; | |
public $method = "default"; | |
public $ajax_function = null; | |
public $alternative = false; | |
public $params; | |
public function __construct($page = null, $perPage = null){ | |
if ($page != null) { | |
$this->page = $page; | |
}elseif($_GET['page'] != null){ | |
$this->page = clear($_GET['page']); | |
} | |
if(isset($perPage)){ | |
$this->perPage = $perPage; | |
} | |
$this->offset = ($this->page * $this->perPage) - $this->perPage; | |
} | |
/** | |
* @param $pages Array de dados estraídos para aparecer na página corrente; | |
* @return string | |
*/ | |
public function paginate($pages = null) | |
{ | |
if(is_array($pages)){ | |
$this->total = count($pages); | |
} | |
if($this->total <= $this->perPage){ | |
return false; | |
} | |
$this->totalPages = $this->total / $this->perPage; | |
$this->prev = $this->page - 1; | |
$this->next = $this->page + 1; | |
$this->totalPages = ceil($this->totalPages); | |
if(!empty($this->params)){ | |
$this->params .= '&'; | |
} | |
//criando link anterior | |
if ($this->page > 1) { | |
if ($this->method == "ajax") { | |
$prev_link = "<a href=\"#\" onclick = \"$this->ajax_function('$this->path', $this->prev); return false;\"> <span>‹</span> anterior </a>"; | |
$first_link = "<a href=\"#\" onclick = \"$this->ajax_function('$this->path', 1); return false;\"> <span>‹‹</span> </a>"; | |
} else { | |
$prev_link = "<a href=\"$this->path?{$this->params}page=$this->prev\"> <span>‹</span> anterior </a>"; | |
$first_link = "<a href=\"$this->path?{$this->params}page=1\"> <span>Primeiro</span> </a>"; | |
} | |
} else { | |
$prev_link = ""; | |
} | |
//Criando link próximo | |
if ($this->totalPages > $this->page) { | |
if ($this->method == "ajax") { | |
$next_link = "<a href=\"#\" onclick = \"$this->ajax_function('$this->path', $this->next); return false;\"> próximo <span>›</span> </a>"; | |
$last_link = "<a href=\"#\" onclick = \"$this->ajax_function('$this->path', $this->totalPages); return false;\"> <span>››</span> </a>"; | |
} else { | |
$next_link = "<a href=\"$this->path?{$this->params}page=$this->next\"> próximo <span>›</span> </a> "; | |
$last_link = "<a href=\"$this->path?{$this->params}page=$this->totalPages\"> <span>... Último</span> </a> "; | |
} | |
} else { | |
$next_link = ""; | |
} | |
$this->lastPage = $this->path . "?page={$this->totalPages}"; | |
$max = $this->page + 3; | |
if ($max >= $this->totalPages) { | |
$max = $this->totalPages; | |
} | |
if ($this->page >= 6) { | |
$value = $this->page; | |
} else { | |
$value = 1; | |
} | |
$panel = ""; | |
//criando o painel de navegação | |
for ($x = $value; $x <= $max; $x++) { | |
if ($x == $this->page) { | |
$panel .= "<li class='active'><a href=\"javascript:void(0)\" class=\"current-page\"> $x</a></li> "; | |
} else { | |
if ($this->method == "ajax") { | |
$panel .= "<li><a href=\"#\" onclick = \"$this->ajax_function('$this->path', $x); return false;\"> $x </a>"; | |
} else { | |
$panel .= "<li> <a href=\"$this->path?{$this->params}page=$x\">$x</a>"; | |
} | |
} | |
} | |
if($this->alternative){ | |
return $this->renderAlternative($panel, $first_link, $last_link); | |
}else{ | |
return $this->render($panel, $first_link, $prev_link, $next_link, $last_link); | |
} | |
} | |
public function render($panel, $first_link, $prev_link, $next_link, $last_link){ | |
return <<<PAG | |
<ul> | |
<li class="contador"> <a href="#"> Total: {$this->total} registros - Página: {$this->page} de {$this->totalPages}</a></li> | |
<li class="first"> {$first_link}</li> | |
<li class="ant"> {$prev_link}</li> | |
{$panel} </li> | |
<li class="prox"> {$next_link} </li> | |
<li class="last"> {$last_link} </li> | |
</ul> | |
PAG; | |
} | |
public function renderAlternative($panel, $first_link, $last_link){ | |
return <<<PAG | |
<span class="bt-primeiro">{$first_link}</span> | |
<ul> | |
{$panel} </li> | |
</ul> | |
<span class="bt-ultimo">{$last_link}</span> | |
PAG; | |
} | |
} |
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