0084d336
 Administrator
Importers CRUD
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<?php
/**
* GridFieldPage displays a simple current page count summary.
* E.g. "View 1 - 15 of 32"
*
* Depends on {@link GridFieldPaginator} being added to the {@link GridField}.
*
* @package forms
* @subpackage fields-gridfield
*/
class GridFieldPageCount implements GridField_HTMLProvider {
/**
* @var string placement indicator for this control
*/
protected $targetFragment;
/**
* Which template to use for rendering
*
* @var string
*/
protected $itemClass = 'GridFieldPageCount';
/**
* @param string $targetFrament The fragment indicating the placement of this page count
*/
public function __construct($targetFragment = 'before') {
$this->targetFragment = $targetFragment;
}
/**
* Flag indicating whether or not this control should throw an error if a
* {@link GridFieldPaginator} is not present on the same {@link GridField}
*
* @config
* @var boolean
*/
private static $require_paginator = true;
/**
* Retrieves an instance of a GridFieldPaginator attached to the same control
* @param GridField $gridField The parent gridfield
* @return GridFieldPaginator The attached GridFieldPaginator, if found.
* @throws LogicException
*/
protected function getPaginator($gridField) {
$paginator = $gridField->getConfig()->getComponentByType('GridFieldPaginator');
if(!$paginator && Config::inst()->get('GridFieldPageCount', 'require_paginator')) {
throw new LogicException(
get_class($this) . " relies on a GridFieldPaginator to be added " .
"to the same GridField, but none are present."
);
}
return $paginator;
}
/**
* @param GridField $gridField
* @return array
*/
public function getHTMLFragments($gridField) {
// Retrieve paging parameters from the directing paginator component
$paginator = $this->getPaginator($gridField);
if ($paginator && ($forTemplate = $paginator->getTemplateParameters($gridField))) {
return array(
$this->targetFragment => $forTemplate->renderWith($this->itemClass)
);
}
}
}
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