%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* @version $Id$
* @package Koowa_Template
* @subpackage Helper
* @copyright Copyright (C) 2007 - 2012 Johan Janssens. All rights reserved.
* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html>
* @link http://www.nooku.org
*/
/**
* Template Paginator Helper
*
* @author Johan Janssens <johan@nooku.org>
* @package Koowa_Template
* @subpackage Helper
*/
class KTemplateHelperPaginator extends KTemplateHelperSelect
{
/**
* Initializes the options for the object
*
* Called from {@link __construct()} as a first step of object instantiation.
*
* @param object An optional KConfig object with configuration options
* @return void
*/
protected function _initialize(KConfig $config)
{
if($config->total != 0)
{
$config->limit = (int) max($config->limit, 1);
$config->offset = (int) max($config->offset, 0);
if($config->limit > $config->total) {
$config->offset = 0;
}
if(!$config->limit)
{
$config->offset = 0;
$config->limit = $config->total;
}
$config->count = (int) ceil($config->total / $config->limit);
if($config->offset > $config->total) {
$config->offset = ($config->count-1) * $config->limit;
}
$config->current = (int) floor($config->offset / $config->limit) + 1;
}
else
{
$config->limit = 0;
$config->offset = 0;
$config->count = 0;
$config->current = 0;
}
parent::_initialize($config);
}
/**
* Render item pagination
*
* @param array An optional array with configuration options
* @return string Html
* @see http://developer.yahoo.com/ypatterns/navigation/pagination/
*/
public function pagination($config = array())
{
$config = new KConfig($config);
$config->append(array(
'total' => 0,
'display' => 4,
'offset' => 0,
'limit' => 0,
'attribs' => array('onchange' => 'this.form.submit();'),
'show_limit' => true,
'show_count' => true
));
$this->_initialize($config);
$html = '';
$html .= '<style src="media://lib_koowa/css/koowa.css" />';
$html .= '<div class="-koowa-pagination">';
if($config->show_limit) {
$html .= '<div class="limit">'.$this->translate('Display NUM').' '.$this->limit($config).'</div>';
}
$html .= $this->_pages($this->_items($config));
if($config->show_count) {
$html .= '<div class="count"> '.$this->translate('Page').' '.$config->current.' '.$this->translate('of').' '.$config->count.'</div>';
}
$html .= '</div>';
return $html;
}
/**
* Render a select box with limit values
*
* @param array An optional array with configuration options
* @return string Html select box
*/
public function limit($config = array())
{
$config = new KConfig($config);
$config->append(array(
'limit' => 0,
'attribs' => array(),
));
$html = '';
$selected = '';
foreach(array(5 => 5, 10 => 10, 15 => 15, 20 => 20, 25 => 25, 30 => 30, 50 => 50, 100 => 100) as $value => $text)
{
if($value == $config->limit) {
$selected = $value;
}
$options[] = $this->option(array('text' => $text, 'value' => $value));
}
$html .= $this->optionlist(array('options' => $options, 'name' => 'limit', 'attribs' => $config->attribs, 'selected' => $selected));
return $html;
}
/**
* Render a list of pages links
*
* @param araay An array of page data
* @return string Html
*/
protected function _pages($pages)
{
$html = '<ul class="pages">';
$html .= '<li class="first">« '.$this->_link($pages['first'], 'First').'</li>';
$html .= '<li class="previous">< '.$this->_link($pages['previous'], 'Prev').'</li>';
foreach($pages['pages'] as $page) {
$html .= '<li>'.$this->_link($page, $page->page).'</li>';
}
$html .= '<li class="next">'.$this->_link($pages['next'], 'Next').' ></li>';
$html .= '<li class="previous">'.$this->_link($pages['last'], 'Last').' »</li>';
$html .= '</ul>';
return $html;
}
/**
* Render a page link
*
* @param object The page data
* @param string The link title
* @return string Html
*/
protected function _link($page, $title)
{
$url = clone KRequest::url();
$query = $url->getQuery(true);
$query['limit'] = $page->limit;
$query['offset'] = $page->offset;
$url->setQuery($query);
$class = $page->current ? 'class="active"' : '';
if($page->active && !$page->current) {
$html = '<a href="'.$url.'" '.$class.'>'.$this->translate($title).'</a>';
} else {
$html = '<span '.$class.'>'.$this->translate($title).'</span>';
}
return $html;
}
/**
* Get a list of pages
*
* @return array Returns and array of pages information
*/
protected function _items(KConfig $config)
{
$elements = array();
$prototype = new KObject();
$current = ($config->current - 1) * $config->limit;
// First
$page = 1;
$offset = 0;
$active = $offset != $config->offset;
$props = array('page' => 1, 'offset' => $offset, 'limit' => $config->limit, 'current' => false, 'active' => $active );
$element = clone $prototype;
$elements['first'] = $element->set($props);
// Previous
$offset = max(0, ($config->current - 2) * $config->limit);
$active = $offset != $config->offset;
$props = array('page' => $config->current - 1, 'offset' => $offset, 'limit' => $config->limit, 'current' => false, 'active' => $active);
$element = clone $prototype;
$elements['previous'] = $element->set($props);
// Pages
$elements['pages'] = array();
foreach($this->_offsets($config) as $page => $offset)
{
$current = $offset == $config->offset;
$props = array('page' => $page, 'offset' => $offset, 'limit' => $config->limit, 'current' => $current, 'active' => !$current);
$element = clone $prototype;
$elements['pages'][] = $element->set($props);
}
// Next
$offset = min(($config->count-1) * $config->limit, ($config->current) * $config->limit);
$active = $offset != $config->offset;
$props = array('page' => $config->current + 1, 'offset' => $offset, 'limit' => $config->limit, 'current' => false, 'active' => $active);
$element = clone $prototype;
$elements['next'] = $element->set($props);
// Last
$offset = ($config->count - 1) * $config->limit;
$active = $offset != $config->offset;
$props = array('page' => $config->count, 'offset' => $offset, 'limit' => $config->limit, 'current' => false, 'active' => $active);
$element = clone $prototype;
$elements['last'] = $element->set($props);
return $elements;
}
/**
* Get the offset for each page, optionally with a range
*
* @return array Page number => offset
*/
protected function _offsets(KConfig $config)
{
if($display = $config->display)
{
$start = (int) max($config->current - $display, 1);
$start = min($config->count, $start);
$stop = (int) min($config->current + $display, $config->count);
}
else // show all pages
{
$start = 1;
$stop = $config->count;
}
$result = array();
if($start > 0)
{
foreach(range($start, $stop) as $pagenumber) {
$result[$pagenumber] = ($pagenumber-1) * $config->limit;
}
}
return $result;
}
}
Zerion Mini Shell 1.0