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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\bootstrap4;
use Yii;
use yii\helpers\ArrayHelper;
/**
* Toasts renders an toast bootstrap component.
*
* For example,
*
* ```php
* echo Toast::widget([
* 'title' => 'Hello world!',
* 'dateTime' => 'now',
* 'body' => 'Say hello...',
* ]);
* ```
*
* The following example will show the content enclosed between the [[begin()]]
* and [[end()]] calls within the toast box:
*
* ```php
* Toast::begin([
* 'title' => 'Hello world!',
* 'dateTime' => 'now'
* ]);
*
* echo 'Say hello...';
*
* Toast::end();
* ```
*
* @see https://getbootstrap.com/docs/4.5/components/toasts/
* @author Simon Karlen <simi.albi@outlook.com>
*/
class Toast extends Widget
{
/**
* @var string|null the body content in the alert component. Note that anything between
* the [[begin()]] and [[end()]] calls of the Toast widget will also be treated
* as the body content, and will be rendered before this.
*/
public $body;
/**
* @var string|null The title content in the toast.
*/
public $title;
/**
* @var int|string|\DateTime|\DateTimeInterface|\DateInterval|false The date time the toast message references to.
* This will be formatted as relative time (via formatter component). It will be omitted if
* set to `false` (default).
*/
public $dateTime = false;
/**
* @var array the options for rendering the close button tag.
* The close button is displayed in the header of the toast. Clicking on the button will hide the toast.
*
* The following special options are supported:
*
* - tag: string, the tag name of the button. Defaults to 'button'.
* - label: string, the label of the button. Defaults to '×'.
*
* The rest of the options will be rendered as the HTML attributes of the button tag.
* Please refer to the [Toast documentation](https://getbootstrap.com/docs/4.5/components/toasts/)
* for the supported HTML attributes.
*/
public $closeButton = [];
/**
* @var array additional title options
*
* The following special options are supported:
*
* - tag: string, the tag name of the button. Defaults to 'strong'.
*
* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
*/
public $titleOptions = [];
/**
* @var array additional date time part options
*
* The following special options are supported:
*
* - tag: string, the tag name of the button. Defaults to 'small'.
*
* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
*/
public $dateTimeOptions = [];
/**
* @var array additional header options
* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
*/
public $headerOptions = [];
/**
* @var array body options
* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
*/
public $bodyOptions = [];
/**
* {@inheritdoc}
*/
public function init()
{
parent::init();
$this->initOptions();
echo Html::beginTag('div', $this->options) . "\n";
echo $this->renderHeader() . "\n";
echo $this->renderBodyBegin() . "\n";
}
/**
* {@inheritdoc}
*/
public function run()
{
echo "\n" . $this->renderBodyEnd();
echo "\n" . Html::endTag('div');
$this->registerPlugin('toast');
}
/**
* Renders the header HTML markup of the modal
* @return string the rendering result
*/
protected function renderHeader()
{
$button = $this->renderCloseButton();
$tag = ArrayHelper::remove($this->titleOptions, 'tag', 'strong');
Html::addCssClass($this->titleOptions, ['widget' => 'mr-auto']);
$title = Html::tag($tag, $this->title === null ? '' : $this->title, $this->titleOptions);
if ($this->dateTime !== false) {
$tag = ArrayHelper::remove($this->dateTimeOptions, 'tag', 'small');
Html::addCssClass($this->dateTimeOptions, ['widget' => 'text-muted']);
$title .= "\n" . Html::tag($tag, Yii::$app->formatter->asRelativeTime($this->dateTime), $this->dateTimeOptions);
}
$title .= "\n" . $button;
Html::addCssClass($this->headerOptions, ['widget' => 'toast-header']);
return Html::tag('div', "\n" . $title . "\n", $this->headerOptions);
}
/**
* Renders the opening tag of the toast body.
* @return string the rendering result
*/
protected function renderBodyBegin()
{
Html::addCssClass($this->bodyOptions, ['widget' => 'toast-body']);
return Html::beginTag('div', $this->bodyOptions);
}
/**
* Renders the toast body and the close button (if any).
* @return string the rendering result
*/
protected function renderBodyEnd()
{
return $this->body . "\n" . Html::endTag('div');
}
/**
* Renders the close button.
* @return string the rendering result
*/
protected function renderCloseButton()
{
$tag = ArrayHelper::remove($this->closeButton, 'tag', 'button');
$label = ArrayHelper::remove($this->closeButton, 'label', Html::tag('span', '×', [
'aria-hidden' => 'true'
]));
return Html::tag($tag, "\n" . $label . "\n", $this->closeButton);
}
/**
* Initializes the widget options.
* This method sets the default values for various options.
*/
protected function initOptions()
{
Html::addCssClass($this->options, ['widget' => 'toast']);
$this->closeButton = array_merge([
'aria' => ['label' => 'Close'],
'data' => ['dismiss' => 'toast'],
'class' => ['widget' => 'ml-2 mb-1 close'],
'type' => 'button'
], $this->closeButton);
if (!isset($this->options['role'])) {
$this->options['role'] = 'alert';
}
if (!isset($this->options['aria']) && !isset($this->options['aria-live'])) {
$this->options['aria'] = [
'live' => 'assertive',
'atomic' => 'true'
];
}
}
}