silverstripe-subsites/src/Forms/SubsitesTreeDropdownField.php

88 lines
2.0 KiB
PHP

<?php
namespace SilverStripe\Subsites\Forms;
use SilverStripe\Control\Controller;
use SilverStripe\Control\HTTPRequest;
use SilverStripe\Forms\TreeDropdownField;
use SilverStripe\Subsites\Model\Subsite;
use SilverStripe\View\Requirements;
use SilverStripe\Subsites\State\SubsiteState;
/**
* Wraps around a TreedropdownField to add ability for temporary
* switching of subsite sessions.
*
* @package subsites
*/
class SubsitesTreeDropdownField extends TreeDropdownField
{
private static $allowed_actions = [
'tree'
];
/**
* @var int
*/
protected $subsiteId = 0;
/**
* Extra HTML classes
*
* @skipUpgrade
* @var string[]
*/
protected $extraClasses = ['SubsitesTreeDropdownField'];
public function Field($properties = [])
{
$html = parent::Field($properties);
Requirements::javascript('silverstripe/subsites:client/javascript/SubsitesTreeDropdownField.js');
return $html;
}
/**
* Sets the subsite ID to use when generating the tree
*
* @param int $id
* @return $this
*/
public function setSubsiteId($id)
{
$this->subsiteId = $id;
return $this;
}
/**
* Get the subsite ID to use when generating the tree
*
* @return int
*/
public function getSubsiteId()
{
return $this->subsiteId;
}
/**
* Get the CMS tree with the provided subsite ID applied to the state
*
* {@inheritDoc}
*/
public function tree(HTTPRequest $request)
{
// Detect subsite ID from the request
if ($request->getVar($this->getName() . '_SubsiteID')) {
$this->setSubsiteId($request->getVar($this->getName() . '_SubsiteID'));
}
$results = SubsiteState::singleton()->withState(function (SubsiteState $newState) use ($request) {
$newState->setSubsiteId($this->getSubsiteId());
return parent::tree($request);
});
return $results;
}
}