<?php
/**
 * Created by PhpStorm.
 * User: luocj
 * Date: 2017/5/31
 * Time: 14:07
 */

namespace common\components;

use yii\grid\ActionColumn;

class zActionColumn extends ActionColumn
{
    public $template = '{:view} {:update} {:delete}';

    /**
     * 重写了标签渲染方法。
     */
    protected function renderDataCellContent($model, $key, $index)
    {
        return preg_replace_callback('/\\{([^}]+)\\}/', function ($matches) use ($model, $key, $index) {
            list($name, $type) = explode(':', $matches[1] . ':'); // 得到按钮名和类型

            if (!isset($this->buttons[$type])) { // 如果类型不存在 默认为view
                $type = 'view';
            }

            if ('' == $name) { // 名称为空，就用类型为名称
                $name = $type;
            }

            $url = $this->createUrl($name, $model, $key, $index);

            return call_user_func($this->buttons[$type], $url, $model, $key);
        }, $this->template);

    }
}