silverstripe-subsites/code/SubsitesTreeDropdownField.php

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<?php
/**
* Wraps around a TreedropdownField to add ability for temporary
* switching of subsite sessions.
*
* @package subsites
*/
class SubsitesTreeDropdownField extends TreeDropdownField {
protected $subsiteID = 0;
protected $extraClasses = array('SubsitesTreeDropdownField');
function Field() {
$html = parent::Field();
Requirements::javascript('subsites/javascript/SubsitesTreeDropdownField.js');
return $html;
}
function setSubsiteID($id) {
$this->subsiteID = $id;
}
function getSubsiteID() {
return $this->subsiteID;
}
function gettree(SS_HTTPRequest $request) {
$oldSubsiteID = Session::get('SubsiteID');
Session::set('SubsiteID', $this->subsiteID);
$results = parent::tree($request);
Session::set('SubsiteID', $oldSubsiteID);
return $results;
}
public function getsubtree(SS_HTTPRequest $request) {
$oldSubsiteID = Session::get('SubsiteID');
Session::set('SubsiteID', $this->subsiteID);
$obj = $this->objectForKey($_REQUEST['SubtreeRootID']);
if(!$obj) user_error("Can't find database record $this->sourceObject with $this->keyField = $_REQUEST[SubtreeRootID]", E_USER_ERROR);
if($this->filterFunc) $obj->setMarkingFilterFunction($this->filterFunc);
else if($this->sourceObject == 'Folder') $obj->setMarkingFilter('ClassName', 'Folder');
$obj->markPartialTree();
$eval = '"<li id=\"selector-' . $this->name . '-$child->' . $this->keyField . '\" class=\"$child->class" . $child->markingClasses() . "\"><a>" . $child->' . $this->labelField . ' . "</a>"';
$tree = $obj->getChildrenAsUL("", $eval, null, true);
echo substr(trim($tree), 4,-5);
Session::set('SubsiteID', $oldSubsiteID);
}
}