CakePHP TinymceHelper

<?php
//     /cakephp/app/View/Helper/TinymceHelper.php

App::uses('AppHelper', 'View/Helper');

class TinymceHelper extends AppHelper {

    public $helpers = array('Js', 'Html', 'Form');

    public $_script = false;

    function _build($fieldName, $tinyoptions = array()){
        if(!$this->_script){
            $this->_script = true;
            $this->Html->script('tiny_mce/tinymce.min', array('inline' => false));
            $this->Html->script('tiny_mce/jquery.tinymce.min', array('inline' => false));
        }


        $tinyoptions['elements'] = $this->domId($fieldName);

        $value_arr = array();
        $replace_keys = array();
        foreach($tinyoptions as $key => &$value){
            if(strpos($value, 'function(') === 0){
                $value_arr[] = $value;
                $value = '%' . $key . '%';
                $replace_keys[] = '"' . $value . '"';
            }
        }


        $this->Html->scriptStart(array('inline' => false));


        echo 'tinymce.init({
    selector: "textarea",
    theme: "modern",
    mode: "textareas",
    plugins: [
        "advlist autolink lists link image charmap print preview hr anchor pagebreak",
        "searchreplace wordcount visualblocks visualchars code fullscreen",
        "insertdatetime media nonbreaking save table contextmenu directionality",
        "emoticons template paste"
    ],
    toolbar1: "insertfile undo redo | styleselect | bold italic | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | link image",
    toolbar2: "print preview media | forecolor backcolor emoticons",
    templates: [
        {title: \'Test template 1\', content: \'Test 1\'},
        {title: \'Test template 2\', content: \'Test 2\'}
    ]
});';
        $this->Html->scriptEnd();
    }

    function textarea($fieldName, $options = array(), $tinyoptions = array()){
        return $this->Form->textarea($fieldName, $options) . $this->_build($fieldName, $tinyoptions);
    }

    function input($fieldName, $options = array(), $tinyoptions = array()){
        $options['type'] = 'textarea';
        return $this->Form->input($fieldName, $options) . $this->_build($fieldName, $tinyoptions);
    }

}
?>