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Initial commit.

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This is to be the new HashRU website based on the Aaronweb.net/Kabuki CMS.
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Aaron van Geffen
2016-09-01 23:13:23 +02:00
commit ab0e4efbcb
68 changed files with 8054 additions and 0 deletions
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models/PageIndex.php Normal file
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<?php
/*****************************************************************************
* PageIndex.php
* Contains key class PageIndex.
*
* Kabuki CMS (C) 2013-2015, Aaron van Geffen
*****************************************************************************/
class PageIndex
{
protected $page_index = [];
protected $current_page = 0;
protected $items_per_page = 0;
protected $needsPageIndex = false;
protected $num_pages = 0;
protected $recordCount = 0;
protected $start = 0;
protected $sort_order = null;
protected $sort_direction = null;
protected $base_url;
protected $index_class = 'pagination';
protected $page_slug = '%AMP%page=%PAGE%';
public function __construct($options)
{
foreach ($options as $key => $value)
$this->$key = $value;
$this->generatePageIndex();
}
protected function generatePageIndex()
{
/*
Example 1:
[1] [2] [3] [...] [c-2] [c-1] [c] [c+1] [c+2] [...] [n-2] [n-1] [n]
\---------/ \-------------------------/ \-------------/
lower current/contiguous pages upper
Example 2:
[1] [2] [3] [4] [5] [c] [6] [7] [...] [n/2] [...] [n-2] [n-1] [n]
\---------/ \-----------------/ \---/ \-------------/
lower current/cont. pgs. center upper
*/
$this->num_pages = ceil($this->recordCount / $this->items_per_page);
$this->current_page = min(ceil($this->start / $this->items_per_page) + 1, $this->num_pages);
if ($this->num_pages == 0)
{
$this->needsPageIndex = false;
return;
}
$lowerLower = 1;
$lowerUpper = min($this->num_pages, 3);
$contigLower = max($lowerUpper + 1, max($this->current_page - 2, 1));
$contigUpper = min($this->current_page + 2, $this->num_pages);
$center = floor($this->num_pages / 2);
$upperLower = max($contigUpper + 1, max(0, $this->num_pages - 2));
$upperUpper = $this->num_pages;
$this->page_index = [];
// Lower pages
for ($p = $lowerLower; $p <= $lowerUpper; $p++)
$this->page_index[$p] = [
'index' => $p,
'is_selected' => $this->current_page == $p,
'href'=> $this->getLink(($p - 1) * $this->items_per_page, $this->sort_order, $this->sort_direction),
];
// The center of the page index.
if ($center > $lowerUpper && $center < $contigLower)
{
// Gap?
if ($lowerUpper != $center)
$this->page_index[] = '...';
$this->page_index[$center] = [
'index' => $center,
'is_selected' => $this->current_page == $center,
'href'=> $this->getLink(($center - 1) * $this->items_per_page, $this->sort_order, $this->sort_direction),
];
}
// Gap?
if ($contigLower != $p)
$this->page_index[] = '...';
// contig pages
for ($p = $contigLower; $p <= $contigUpper; $p++)
$this->page_index[$p] = [
'index' => $p,
'is_selected' => $this->current_page == $p,
'href'=> $this->getLink(($p - 1) * $this->items_per_page, $this->sort_order, $this->sort_direction),
];
// The center of the page index.
if ($center > $contigUpper && $center < $upperLower)
{
// Gap?
if ($contigUpper != $center)
$this->page_index[] = '...';
$this->page_index[$center] = [
'index' => $center,
'is_selected' => $this->current_page == $center,
'href'=> $this->getLink(($center - 1) * $this->items_per_page, $this->sort_order, $this->sort_direction),
];
}
// Gap?
if ($upperLower != $p)
$this->page_index[] = '...';
// Upper pages
for ($p = $upperLower; $p <= $upperUpper; $p++)
$this->page_index[$p] = [
'index' => $p,
'is_selected' => $this->current_page == $p,
'href'=> $this->getLink(($p - 1) * $this->items_per_page, $this->sort_order, $this->sort_direction),
];
// Previous page?
if ($this->current_page > 1)
$this->page_index['previous'] = $this->page_index[$this->current_page - 1];
// Next page?
if ($this->current_page < $this->num_pages)
$this->page_index['next'] = $this->page_index[$this->current_page + 1];
}
protected function getLink($start = null, $order = null, $dir = null)
{
$url = $this->base_url;
$amp = strpos($this->base_url, '?') ? '&' : '?';
if (!empty($start))
{
$page = ($start / $this->items_per_page) + 1;
$url .= strtr($this->page_slug, ['%PAGE%' => $page, '%AMP%' => $amp]);
$amp = '&';
}
if (!empty($order))
{
$url .= $amp . 'order=' . $order;
$amp = '&';
}
if (!empty($dir))
{
$url .= $amp . 'dir=' . $dir;
$amp = '&';
}
return $url;
}
public function getArray()
{
return $this->page_index;
}
public function getPageIndex()
{
return $this->page_index;
}
public function getPageIndexClass()
{
return $this->index_class;
}
public function getCurrentPage()
{
return $this->current_page;
}
public function getNumberOfPages()
{
return $this->num_pages;
}
public function getRecordCount()
{
return $this->recordCount;
}
}