<?php

class Qs_Form_Decorator_JQuery_Treeview extends Zend_Form_Decorator_Abstract
{
    protected $_domContainerSelector;

    public function initRender()
    {
        /** @var $element Qs_Form_Element_CheckboxTree */
        $element = $this->getElement();

        $elementId = $element->getId();
        $treeOptions = $element->getTreeViewOptions();
        $scriptOptions = $element->getScriptOptions();

        /** @var $doc Qs_Doc */
        $doc = Zend_Registry::get('doc');

        $doc->addScript('js/jquery.treeview.js');
        $doc->addCriticalStylesheet('css/thirdpart/jquery.treeview.css');
        $doc->addInitFunction('$("' . $this->getDomContainerSelector() . '").treeview', array($treeOptions));

        $doc->addCriticalStylesheet('css/modules/form-element-checkboxTree.css');
        $doc->addScript('js/lib/form-element-checkboxTree.js');

        $scriptOptions['elementId'] = $elementId;
        $doc->addInitObject('ElementCheckboxTree', array($scriptOptions));

        return $this;
    }

    public function render($content)
    {
        return $content;
    }

    public function setDomContainerSelector($domContainerSelector)
    {
        $this->_domContainerSelector = $domContainerSelector;
        return $this;
    }

    public function getDomContainerSelector()
    {
        if (null === $this->_domContainerSelector) {
             $this->_domContainerSelector = '#' . htmlspecialchars($this->getElement()->getId() . '-tree');
        }
        return $this->_domContainerSelector;
    }
}