kartik\tree\TreeViewInput::renderWidget PHP Method

    public function renderWidget()
    {
        if (!$this->showToolbar) {
            $this->wrapperTemplate = strtr($this->wrapperTemplate, ['{footer}' => '']);
        }
        $content = strtr($this->renderWrapper(), ['{heading}' => $this->renderHeading(), '{search}' => $this->renderSearch(), '{toolbar}' => $this->renderToolbar()]) . "\n" . $this->getInput();
        if ($this->asDropdown) {
            return $this->renderDropdown($content);
        }
        return $content;
    }