<?php
/**
 * Created by Error202
 * Date: 04.06.2018
 */

namespace backend\components;

use yii\grid\DataColumn;
use yii\helpers\Html;
use yii\web\View;
use Yii;

class ToggleColumn extends DataColumn
{
	/**
	 * Toggle action that will be used as the toggle action in your controller
	 * @var string
	 */
	public $action = 'toggle';


	/**
	 * @var string pk field name
	 */
	public $primaryKey = 'primaryKey';

	/**
	 * Whether to use ajax or not
	 * @var bool
	 */
	public $enableAjax = true;

	/**
	 * @var string glyphicon for 'on' value
	 */
	public $iconOn = 'ok';

	/**
	 * @var string glyphicon for 'off' value
	 */
	public $iconOff = 'remove';

	/**
	 * @var string text to display on the 'on' link
	 */
	public $onText;

	/**
	 * @var string text to display on the 'off' link
	 */
	public $offText;

	/**
	 * @var string text to display next to the 'on' link
	 */
	public $displayValueText = false;

	/**
	 * @var string text to display next to the 'on' link
	 */
	public $onValueText;

	/**
	 * @var string text to display next to the 'off' link
	 */
	public $offValueText;


	public function init()
	{
		if ($this->onText === null) {
			$this->onText = Yii::t('main', 'On');
		}
		if ($this->offText === null) {
			$this->offText = Yii::t('main', 'Off');
		}
		if ($this->onValueText === null) {
			$this->onValueText = Yii::t('main', 'Active');
		}
		if ($this->offValueText === null) {
			$this->offValueText = Yii::t('main', 'Inactive');
		}
		if ($this->enableAjax) {
			$this->registerJs();
		}
	}

	/**
	 * @inheritdoc
	 */
	protected function renderDataCellContent($model, $key, $index)
	{
		$url = [$this->action, 'id' => $model->{$this->primaryKey}];

		$attribute = $this->attribute;
		$value = $model->$attribute;

		if ($value === null || $value == true) {
			$icon = $this->iconOn;
			$title = $this->offText;
			$valueText = $this->onValueText;
			$color = 'green';
		} else {
			$icon = $this->iconOff;
			$title = $this->onText;
			$valueText = $this->offValueText;
			$color = 'red';
		}
		return Html::a(
				'<span class="glyphicon glyphicon-' . $icon . '"></span>',
				$url,
				[
					'title' => $title,
					'class' => 'toggle-column',
					'style' => 'color:' . $color,
					'data-method' => 'post',
					'data-pjax' => '0',
				]
			) . ( $this->displayValueText ? " {$valueText}" : "" );
	}

	/**
	 * Registers the ajax JS
	 */
	public function registerJs()
	{
		if(Yii::$app->request->isAjax) {
			return;
		}
		$js = <<<'JS'
$(document.body).on("click", "a.toggle-column", function(e) {
    e.preventDefault();
    $.post($(this).attr("href"), function(data) {
        var pjaxId = $(e.target).closest("[data-pjax-container]").attr("id");
        $.pjax.reload({container:"#" + pjaxId});
    });
    return false;
});
JS;
		$this->grid->view->registerJs($js, View::POS_READY, 'zx-toggle-column');
	}
}