<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace frontend\components;

use Yii;
use yii\helpers\ArrayHelper;
use yii\helpers\Html;
use yii\widgets\ListView;


class MyListView extends ListView
{

    public $itemOptions = [];

    public $itemView;
    /**
     * @var array additional parameters to be passed to [[itemView]] when it is being rendered.
     * This property is used only when [[itemView]] is a string representing a view name.
     */
    public $viewParams = [];
    /**
     * @var string the HTML code to be displayed between any two consecutive items.
     */
    public $separator = "\n";
    /**
     * @var array the HTML attributes for the container tag of the list view.
     * The "tag" element specifies the tag name of the container element and defaults to "div".
     * @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
     */
    public $options = ['class' => 'list-view'];


    /**
     * Renders all data models.
     * @return string the rendering result
     */
    public function renderItems()
    {
        $models = $this->dataProvider->getModels();
        $keys = $this->dataProvider->getKeys();
        $rows = [];
        foreach (array_values($models) as $index => $model) {
            $rows[] = $this->renderItem($model, $keys[$index], $index);
        }

        return implode($this->separator, $rows);
    }

    /**
     * Renders a single data model.
     * @param mixed $model the data model to be rendered
     * @param mixed $key the key value associated with the data model
     * @param integer $index the zero-based index of the data model in the model array returned by [[dataProvider]].
     * @return string the rendering result
     */
    public function renderItem($model, $key, $index)
    {
        if ($this->itemView === null) {
            $content = $key;
        } elseif (is_string($this->itemView)) {
            $content = $this->getView()->render($this->itemView, array_merge([
                'model' => $model,
                'key' => $key,
                'index' => $index,
                'widget' => $this,
            ], $this->viewParams));
        } else {
            $content = call_user_func($this->itemView, $model, $key, $index, $this);
        }

        return $content;

    }
}