Creates editable element on page (without linking to model attribute)
Author: Antonio Ramirez (amigo.cobos@gmail.com)
Author: Vitaliy Potapov (noginsk@rambler.ru)
Inheritance: extends CWidget
 /**
  * Renders data cell content
  * @param int $row
  * @param mixed $data
  */
 protected function renderDataCellContent($row, $data)
 {
     $isModel = $data instanceof CModel;
     if ($isModel) {
         $widgetClass = 'EditableField';
         $options = array('model' => $data, 'attribute' => empty($this->editable['attribute']) ? $this->name : $this->editable['attribute']);
         //if value defined in column config --> we should evaluate it
         //and pass to widget via `text` option: set flag `passText` = true
         $passText = !empty($this->value);
     } else {
         $widgetClass = 'WhEditable';
         $options = array('pk' => $data[$this->grid->dataProvider->keyField], 'name' => empty($this->editable['name']) ? $this->name : $this->editable['name']);
         $passText = true;
         //if autotext will be applied, do not pass `text` option (pass `value` instead)
         if (empty($this->value) && WhEditable::isAutotext($this->editable, isset($this->editable['type']) ? $this->editable['type'] : '')) {
             $options['value'] = $data[$this->name];
             $passText = false;
         }
     }
     //for live update
     $options['liveTarget'] = $this->grid->id;
     $options = CMap::mergeArray($this->editable, $options);
     //if value defined for column --> use it as element text
     if ($passText) {
         ob_start();
         parent::renderDataCellContent($row, $data);
         $text = ob_get_clean();
         $options['text'] = $text;
         $options['encode'] = false;
     }
     //apply may be a string expression, see https://github.com/vitalets/x-editable-yii/issues/33
     if (isset($options['apply']) && is_string($options['apply'])) {
         $options['apply'] = $this->evaluateExpression($options['apply'], array('data' => $data, 'row' => $row));
     }
     //evaluate htmlOptions inside editable config as they can depend on $data
     //see https://github.com/vitalets/x-editable-yii/issues/40
     if (isset($options['htmlOptions']) && is_array($options['htmlOptions'])) {
         foreach ($options['htmlOptions'] as $k => $v) {
             if (is_string($v) && (strpos($v, '$data') !== false || strpos($v, '$row') !== false)) {
                 $options['htmlOptions'][$k] = $this->evaluateExpression($v, array('data' => $data, 'row' => $row));
             }
         }
     }
     $this->grid->controller->widget($widgetClass, $options);
 }
 /**
  * Returns selector
  * @return null|string
  */
 public function getSelector()
 {
     return str_replace('\\', '_', get_class($this->staticModel)) . '_' . parent::getSelector();
 }