sintonia/legacy/application/forms/EditHistoryItem.php

<?php

class Application_Form_EditHistoryItem extends Application_Form_EditHistory
{
	const ID_PREFIX = "his_item_";

	public function init() {

		parent::init();

		$this->setDecorators(array(
			'PrepareElements',
			array('ViewScript', array('viewScript' => 'form/edit-history-item.phtml'))
		));

		/*
		$instance = new Zend_Form_Element_Select("instance_id");
		$instance->setLabel(_("Choose Show Instance"));
		$instance->setMultiOptions(array("0" => "-----------"));
		$instance->setValue(0);
		$instance->setDecorators(array('ViewHelper'));
		$this->addElement($instance);
		*/

	    $starts = new Zend_Form_Element_Text(self::ID_PREFIX.'starts');
	    $starts->setValidators(array(
	    	new Zend_Validate_Date(self::VALIDATE_DATETIME_FORMAT)
	    ));
	    $starts->setAttrib('class', self::TEXT_INPUT_CLASS." datepicker");
	    $starts->setAttrib('data-format', self::TIMEPICKER_DATETIME_FORMAT);
	    $starts->addFilter('StringTrim');
	    $starts->setLabel(_('Start Time'));
	    $starts->setDecorators(array('ViewHelper'));
	    $starts->setRequired(true);
	    $this->addElement($starts);

	    $ends = new Zend_Form_Element_Text(self::ID_PREFIX.'ends');
	    $ends->setValidators(array(
	    	new Zend_Validate_Date(self::VALIDATE_DATETIME_FORMAT)
	    ));
	    $ends->setAttrib('class', self::TEXT_INPUT_CLASS." datepicker");
	    $ends->setAttrib('data-format', self::TIMEPICKER_DATETIME_FORMAT);
	    $ends->addFilter('StringTrim');
	    $ends->setLabel(_('End Time'));
	    $ends->setDecorators(array('ViewHelper'));
	    //$ends->setRequired(true);
	    $this->addElement($ends);
	}

	public function createFromTemplate($template, $required) {

		parent::createFromTemplate($template, $required);
	}

	public function populateShowInstances($possibleInstances, $default) {

	    $possibleInstances["0"] = _("No Show");

		$instance = new Zend_Form_Element_Select("his_instance_select");
		//$instance->setLabel(_("Choose Show Instance"));
		$instance->setMultiOptions($possibleInstances);
		$instance->setValue($default);
		$instance->setDecorators(array('ViewHelper'));
		$this->addElement($instance);
	}
}