silverstripe-framework/forms/ToggleCompositeField.php

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<?php
/**
* Allows visibility of a group of fields to be toggled using '+' and '-' icons
* @package forms
* @subpackage fields-structural
*/
class ToggleCompositeField extends CompositeField {
protected $template = "ToggleCompositeField";
/**
* @var $headingLevel int
*/
public $headingLevel = 2;
function __construct($name, $title, $children) {
$this->name = $name;
$this->title = $title;
$this->startClosed(true);
parent::__construct($children);
}
public function FieldHolder($properties = array()) {
Requirements::javascript(SAPPHIRE_DIR . "/thirdparty/prototype/prototype.js");
Requirements::javascript(SAPPHIRE_DIR . "/thirdparty/behaviour/behaviour.js");
Requirements::javascript(SAPPHIRE_DIR . "/javascript/ToggleCompositeField.js");
$obj = $properties ? $this->customise($properties) : $this;
return $obj->renderWith($this->template);
}
/**
* Determines if the field should render open or closed by default.
*
* @param boolean
*/
public function startClosed($bool) {
($bool) ? $this->addExtraClass('startClosed') : $this->removeExtraClass('startClosed');
}
/**
* @return String
*/
public function HeadingLevel() {
return $this->headingLevel;
}
public function Type() {
return ' toggleCompositeField';
}
}