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<?php
/**
* @copyright Copyright © Kartik Visweswaran, Krajee.com, 2014 - 2017
* @package yii2-widgets
* @subpackage yii2-widget-alert
* @version 1.1.1
*/
namespace kartik\alert;
use Yii;
use yii\bootstrap\Alert as BsAlert;
use yii\helpers\Html;
use yii\helpers\ArrayHelper;
/**
* Alert widget extends the [[BsAlert]] widget with an easier configuration and additional styling options including
* auto fade out.
*
* @author Kartik Visweswaran <kartikv2@gmail.com>
* @since 1.0
*/
class Alert extends BsAlert
{
/**
* information alert
*/
const TYPE_INFO = 'alert-info';
/**
* danger/error alert
*/
const TYPE_DANGER = 'alert-danger';
/**
* success alert
*/
const TYPE_SUCCESS = 'alert-success';
/**
* warning alert
*/
const TYPE_WARNING = 'alert-warning';
/**
* primary alert
*/
const TYPE_PRIMARY = 'bg-primary';
/**
* default alert
*/
const TYPE_DEFAULT = 'well';
/**
* custom alert
*/
const TYPE_CUSTOM = 'alert-custom';
/**
* @var string the type of the alert to be displayed. One of the `TYPE_` constants. Defaults to [[TYPE_INFO]].
*/
public $type = self::TYPE_INFO;
/**
* @var string the icon type. Can be either 'class' or 'image'. Defaults to 'class'.
*/
public $iconType = 'class';
/**
* @var string the class name for the icon to be displayed. If set to empty or null, will not be displayed.
*/
public $icon = '';
/**
* @var array the HTML attributes for the icon.
*/
public $iconOptions = [];
/**
* @var string the title for the alert. If set to empty or null, will not be displayed.
*/
public $title = '';
/**
* @var array the HTML attributes for the title. The following options are additionally recognized:
*
* - `tag`: _string_, the HTML tag to render the title. Defaults to `span`.
*/
public $titleOptions = ['class' => 'kv-alert-title'];
/**
* @var boolean show the title separator. Only applicable if [[title]] is set.
*/
public $showSeparator = false;
/**
* @var integer the delay in microseconds after which the alert will be displayed. Will be useful when multiple
* alerts are to be shown.
*/
public $delay;
/**
* @inheritdoc
*/
public function run()
{
echo $this->getTitle();
parent::run();
}
/**
* Gets the title section
*
* @return string
*/
protected function getTitle()
{
$icon = '';
$title = '';
$separator = '';
if (!empty($this->icon) && $this->iconType == 'image') {
$icon = Html::img($this->icon, $this->iconOptions);
} elseif (!empty($this->icon)) {
$this->iconOptions['class'] = $this->icon . ' ' . (empty($this->iconOptions['class']) ? 'kv-alert-title' : $this->iconOptions['class']);
$icon = Html::tag('span', '', $this->iconOptions) . ' ';
}
if (!empty($this->title)) {
$tag = ArrayHelper::remove($this->titleOptions, 'tag', 'span');
$title = Html::tag($tag, $this->title, $this->titleOptions);
if ($this->showSeparator) {
$separator = '<hr class="kv-alert-separator">' . "\n";
}
}
return $icon . $title . $separator;
}
/**
* @inheritdoc
*/
protected function initOptions()
{
parent::initOptions();
if (empty($this->options['id'])) {
$this->options['id'] = $this->getId();
}
$this->registerAssets();
Html::addCssClass($this->options, 'kv-alert ' . $this->type);
}
/**
* Register the client assets for the [[Alert]] widget.
*/
protected function registerAssets()
{
$view = $this->getView();
AlertAsset::register($view);
if ($this->delay > 0) {
$js = 'jQuery("#' . $this->options['id'] . '").fadeTo(' . $this->delay . ', 0.00, function() {
$(this).slideUp("slow", function() {
$(this).remove();
});
});';
$view->registerJs($js);
}
}
}