[solved] How bind rich text editor (tinymce package) to modext textarea field in custom component?

{
    xtype: 'textarea'
    ,fieldLabel: _('narkfaqs.question_text')
    ,name: 'question_text'
    ,height: '100'
    ,id: 'question_text'
    ,anchor: '100%'
},{
    xtype: 'textarea'
    ,fieldLabel: _('narkfaqs.answer_text')
    ,name: 'answer_text'
    ,height: '100'
    ,id: 'answer_text'
    ,anchor: '100%'
}

NarkFaqs.window.UpdateNarkFaq = function(config) {
    config = config || {};
    Ext.applyIf(config,{
        title: _('narkfaqs.narkfaq_update')
        ,url: NarkFaqs.config.connectorUrl
        ,baseParams: {
            action: 'mgr/narkfaq/update'
        }
        ,fields: [{
            xtype: 'hidden'
            ,name: 'id'
        },{
            xtype: 'textfield'
            ,fieldLabel: _('narkfaqs.question_author')
            ,name: 'question_author'
            ,anchor: '100%'
        },{
            xtype: 'textfield'
            ,fieldLabel: _('narkfaqs.question_header')
            ,name: 'question_header'
            ,anchor: '100%'
        },{
            xtype: 'textfield'
            ,fieldLabel: _('narkfaqs.linkid')
            ,name: 'linkid'
            ,anchor: '100%'
        },{
            xtype: 'textarea'
            ,fieldLabel: _('narkfaqs.question_text')
            ,name: 'question_text'
            ,id: 'question_text'
            ,height: '100'
            ,anchor: '100%'
        },{
            xtype: 'textarea'
            ,fieldLabel: _('narkfaqs.answer_text')
            ,name: 'answer_text'
            ,id: 'answer_text'
            ,height: '100'
            ,anchor: '100%'
        },{
            xtype: 'xcheckbox'
            ,name: 'published'
            ,boxLabel: _('narkfaqs.published')
        }]
    });
    NarkFaqs.window.UpdateNarkFaq.superclass.constructor.call(this,config);
    this.on('activate',function(w,e) { // Add this
        MODx.loadRTE('question_text'); // Add this // Load by id [,id: 'question_text']
        MODx.loadRTE('answer_text');   // Add this // Load by id [,id: 'answer_text']
    },this);                           // Add this                        
};

$plugin=$this->modx->getObject('modPlugin',array('name'=>'TinyMCE'));

$tinyPath = $this->modx->getOption('core_path').'components/tinymce/';

$tinyProperties=$plugin->getProperties();
require_once $tinyPath.'tinymce.class.php';
$tiny = new TinyMCE($this->modx, $tinyProperties);

$tinyProperties['language'] = $this->modx->getOption('cultureKey',null,$this->modx->getOption('manager_language',null,'en'));
$tinyProperties['frontend'] = true;
$tinyProperties['cleanup'] = true;
//$tinyProperties['width'] = 300;
$tinyProperties['height'] = 100;

$tinyProperties['tiny.custom_buttons1'] = 'undo,redo,separator,pastetext,search,replace,separator,cleanup,removeformat,tablecontrols,separator,modxlink,unlink,anchor,separator,image,media,separator,code';
$tinyProperties['tiny.custom_buttons2'] = 'formatselect,separator,forecolor,backcolor,separator,bold,italic,underline,separator,strikethrough,sub,sup,separator,justifyleft,justifycenter,justifyright,justifyfull,separator,bullist,numlist,outdent,indent,separator,rj_insertcode,blockquote,separator,hr,charmap';
$tinyProperties['tiny.custom_buttons3'] = '';

$tiny->setProperties($tinyProperties);
$tiny->initialize();

MODx.loadRTE('question_text');

function __construct(modX &$modx,array $config = array()) {

    // some code...

    $this->activateRTE();
}

public function activateRTE(){

    $plugin=$this->modx->getObject('modPlugin',array('name'=>'TinyMCE'));
    $tinyPath = $this->modx->getOption('core_path').'components/tinymce/';
    $tinyProperties=$plugin->getProperties();
    require_once $tinyPath.'tinymce.class.php';
    $tiny = new TinyMCE($this->modx, $tinyProperties);

    $tinyProperties['language'] = $this->modx->getOption('cultureKey',null,$this->modx->getOption('manager_language',null,'ru'));
    $tinyProperties['cleanup'] = true;
    $tinyProperties['width'] = '100%';
    $tinyProperties['height'] = 100;

    $tinyProperties['tiny.custom_buttons1'] = 'undo,redo,separator,pastetext,search,replace,separator,cleanup,removeformat,tablecontrols,separator,modxlink,unlink,anchor,separator,image,media,separator,code';
    $tinyProperties['tiny.custom_buttons2'] = 'formatselect,separator,forecolor,backcolor,separator,bold,italic,underline,separator,strikethrough,sub,sup,separator,justifyleft,justifycenter,justifyright,justifyfull';
    $tinyProperties['tiny.custom_buttons3'] = '';

    $tiny->setProperties($tinyProperties);
    $tiny->initialize();

}

// some code...
NarkFaqs.window.UpdateNarkFaq = function(config) {
    config = config || {};

    Ext.applyIf(config,{
        title: _('narkfaqs.narkfaq_update')
        ,url: NarkFaqs.config.connectorUrl
        ,width: 510
        // some code...
        ,fields: [
            // some code...
            {
                xtype: 'textarea'
                ,fieldLabel: _('narkfaqs.question_text')
                ,name: 'question_text'
                ,id: 'question_text'
                ,height: '100'
                ,anchor: '100%'
            },{
                xtype: 'textarea'
                ,fieldLabel: _('narkfaqs.answer_text')
                ,name: 'answer_text'
                ,id: 'answer_text'
                ,height: '100'
                ,anchor: '100%'
            }
            // some code...
        ]
    });
    NarkFaqs.window.UpdateNarkFaq.superclass.constructor.call(this,config);
    // Added from that line...
    this.on('activate',function(w,e) {
        MODx.loadRTE('question_text');
        MODx.loadRTE('answer_text');
    },this);
    this.on('deactivate',function(w,e) {
        tinyMCE.execCommand('mceRemoveControl',true,'question_text');
        tinyMCE.execCommand('mceRemoveControl',true,'answer_text');
    },this);
    // To that line

};
// some code...