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/**
* Progress renders a bootstrap progress bar component.
*
* For example,
*
* ```php
* // default with label
* echo Progress::widget([
* 'percent' => 60,
* 'label' => 'test',
* ]);
*
* // styled
* echo Progress::widget([
* 'percent' => 65,
* 'barOptions' => ['class' => 'progress-bar-danger']
* ]);
*
* // striped
* echo Progress::widget([
* 'percent' => 70,
* 'barOptions' => ['class' => 'progress-bar-warning'],
* 'options' => ['class' => 'progress-striped']
* ]);
*
* // striped animated
* echo Progress::widget([
* 'percent' => 70,
* 'barOptions' => ['class' => 'progress-bar-success'],
* 'options' => ['class' => 'active progress-striped']
* ]);
*
* // stacked bars
* echo Progress::widget([
* 'bars' => [
* ['percent' => 30, 'options' => ['class' => 'progress-bar-danger']],
* ['percent' => 30, 'label' => 'test', 'options' => ['class' => 'progress-bar-success']],
* ['percent' => 35, 'options' => ['class' => 'progress-bar-warning']],
* ]
* ]);
* ```
* @see http://getbootstrap.com/components/#progress
* @author Antonio Ramirez <amigo.cobos@gmail.com>
* @author Alexander Makarov <sam@rmcreative.ru>
* @since 2.0
*/
class Progress extends Widget
{
/**
* @var string the button label.
*/
public $label;
/**
* @var integer the amount of progress as a percentage.
*/
public $percent = 0;
/**
* @var array the HTML attributes of the bar.
* @see \yii\helpers\Html::renderTagAttributes() for details on how attributes are being rendered.
*/
public $barOptions = [];
/**
* @var array a set of bars that are stacked together to form a single progress bar.
* Each bar is an array of the following structure:
*
* ```php
* [
* // required, the amount of progress as a percentage.
* 'percent' => 30,
* // optional, the label to be displayed on the bar
* 'label' => '30%',
* // optional, array, additional HTML attributes for the bar tag
* 'options' => [],
* ]
* ```
*/
public $bars;
/**
* Initializes the widget.
* If you override this method, make sure you call the parent implementation first.
*/
public function init()
{
parent::init();
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}
/**
* Renders the widget.
*/
public function run()
{
BootstrapAsset::register($this->getView());
return implode("\n", [
Html::beginTag('div', $this->options),
$this->renderProgress(),
Html::endTag('div')
]) . "\n";
}
/**
* Renders the progress.
* @return string the rendering result.
* @throws InvalidConfigException if the "percent" option is not set in a stacked progress bar.
*/
protected function renderProgress()
{
if (empty($this->bars)) {
return $this->renderBar($this->percent, $this->label, $this->barOptions);
}
$bars = [];
foreach ($this->bars as $bar) {
$label = ArrayHelper::getValue($bar, 'label', '');
if (!isset($bar['percent'])) {
throw new InvalidConfigException("The 'percent' option is required.");
}
$options = ArrayHelper::getValue($bar, 'options', []);
$bars[] = $this->renderBar($bar['percent'], $label, $options);
}
return implode("\n", $bars);
}
/**
* Generates a bar
* @param integer $percent the percentage of the bar
* @param string $label, optional, the label to display at the bar
* @param array $options the HTML attributes of the bar
* @return string the rendering result.
*/
protected function renderBar($percent, $label = '', $options = [])
{
$defaultOptions = [
'role' => 'progressbar',
'aria-valuenow' => $percent,
'aria-valuemin' => 0,
'aria-valuemax' => 100,
'style' => "width:{$percent}%",
];
$options = array_merge($defaultOptions, $options);
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$out = Html::beginTag('div', $options);
$out .= $label;
$out .= Html::tag('span', \Yii::t('yii', '{percent}% Complete', ['percent' => $percent]), [
'class' => 'sr-only'
]);
$out .= Html::endTag('div');
return $out;
}
}
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fixed Image class