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Fixed returned range bug(s)

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This commit is contained in:
wernerm 2008-01-11 14:50:34 +00:00
parent c6e2086798
commit e01809d19a
1 changed files with 26 additions and 17 deletions
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43
lib/Doctrine/Pager/Range/Sliding.php
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@ -19,7 +19,7 @@
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.com>.
*/
Doctrine::autoload('Doctrine_Pager_Range');
/**
@ -81,7 +81,12 @@ class Doctrine_Pager_Range_Sliding extends Doctrine_Pager_Range
*/
protected function _setChunkLength($chunkLength)
{
$this->_chunkLength = $chunkLength;
$chunkLength = (int) $chunkLength;
if (!$chunkLength) {
$chunkLength = 1;
} else {
$this->_chunkLength = $chunkLength;
}
}
@ -95,25 +100,29 @@ class Doctrine_Pager_Range_Sliding extends Doctrine_Pager_Range
public function rangeAroundPage()
{
$pager = $this->getPager();
$page = $pager->getPage();
$page = $pager->getPage();
$pages = $pager->getLastPage();
// Define initial assignments for StartPage and EndPage
$startPage = $page - floor($this->getChunkLength() - 1) / 2;
$endPage = ($startPage + $this->getChunkLength()) - 1;
// Check for EndPage out-range
if ($endPage > $pager->getLastPage()) {
$offset = $endPage - $pager->getLastPage();
$endPage = $pager->getLastPage();
$startPage = $startPage - $offset;
$chunk = $this->getChunkLength();
if ($chunk > $pages) {
$chunk = $pages;
}
// Check for StartPage out-range
if ($startPage < $pager->getFirstPage()) {
$startPage = $pager->getFirstPage();
$chunkStart = $page - (floor($chunk / 2));
$chunkEnd = $page + (ceil($chunk / 2)-1);
if ($chunkStart < 1) {
$adjust = 1 - $chunkStart;
$chunkStart = 1;
$chunkEnd = $chunkEnd + $adjust;
}
if ($chunkEnd > $pages) {
$adjust = $chunkEnd - $pages;
$chunkStart = $chunkStart - $adjust;
$chunkEnd = $pages;
}
return range($startPage, $endPage);
return range($chunkStart, $chunkEnd);
}
}