EditableHiddenField for UserDefinedForms

EditableHiddenField.php

<?php

/**
 * @package userforms
 */
class EditableHiddenField extends EditableFormField {

	private static $singular_name = 'Hidden Field';
	private static $plural_name = 'Hidden Fields';
	
	public function getFieldConfiguration() {
		$options = parent::getFieldConfiguration();

		$options->push(
			new TextField($this->getSettingName("Variable"), 'Value (use GET["a"]) to accept GET parameters', $this->getSetting('Variable')),
			new CheckboxField(
				$this->getSettingName('HideFromReports'),
				_t('EditableLiteralField.HIDEFROMREPORT', 'Hide from reports?'), 
				$this->getSetting('HideFromReports')
			)
		);

		if($this->readonly) {
			$extraFields = $options->makeReadonly();		
		}
		
		return $options;
	}

	public function getFormField() {
		$var = $this->getSetting('Variable');

		if(preg_match("/^GET\[(.*)\]$/i", $var, $results)) {
			$var = (isset($_GET[$results[1]])) ? $_GET[$results[1]] : "";
		}

		return new HiddenField($this->Name, $this->Title, $var);
	}
	
	public function showInReports() {
		return (!$this->getSetting('HideFromReports'));
	}
	
	public function getFieldValidationOptions() {
		return false;
	}
}