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Slider.php
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Slider.php
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<?php
namespace dominus77\lightslider;
use yii\base\Widget;
use yii\helpers\Html;
use yii\helpers\Json;
use yii\helpers\ArrayHelper;
use yii\web\JsExpression;
use dominus77\lightslider\assets\SliderAsset;
use dominus77\lightslider\assets\GalleryAsset;
/**
* Class Slider
* Renders a JQuery LightSlider widget for Yii2.
* @package dominus77\lightslider
* @see http://sachinchoolur.github.io/lightslider/
*
* Render Slider
* -------------------------------------------------
* <?= \dominus77\lightslider\Slider::widget([
* 'items' => ['Slide 1', 'Slide 2', 'Slide 3', 'Slide 4', 'Slide 5', 'Slide 6', 'Slide 7', '...'],
* 'clientOptions' => [
* // settings: http://sachinchoolur.github.io/lightslider/settings.html
* 'item' => 3,
* 'autoWidth' => false,
* 'slideMove' => 1, // slidemove will be 1 if loop is true
* 'slideMargin' => 10,
* //...
* ],
* 'listOptions' => [], // Set <ul> options
* 'itemsOptions' => [], // Set options <li> all
* ]); ?>
*
* Integrate with lightGallery (http://sachinchoolur.github.io/lightGallery/)
* -------------------------------------------------
* <?= \dominus77\lightslider\Slider::widget([
* 'id' => 'myGalleryID',
* 'items' => [
* [
* 'item' => \yii\helpers\Html::img(Yii::getAlias('@web/uploads/img/image1.jpg')),
* 'options' => [
* 'data-thumb' => \Yii::getAlias('@web/uploads/img/thumb/image1.jpg'),
* 'data-src' => \Yii::getAlias('@web/uploads/img/largeImage1.jpg'),
* //...
* ]
* ],
* [
* 'item' => \yii\helpers\Html::img(Yii::getAlias('@web/uploads/img/image2.jpg')),
* 'options' => [
* 'data' => [
* 'thumb' => \Yii::getAlias('@web/uploads/img/thumb/image2.jpg'),
* 'src' => \Yii::getAlias('@web/uploads/img/largeImage2.jpg'),
* ],
* //...
* ]
* ],
* //...
* ],
* 'clientOptions' => [
* 'gallery' => true,
* 'item' => 1,
* 'loop' => true,
* 'thumbItem' => 9,
* 'slideMargin' => 0,
* 'enableDrag' => false,
* 'currentPagerPosition' => 'left',
* 'onSliderLoad' => new \yii\web\JsExpression("
* function(el) {
* el.lightGallery({
* // // options: http://sachinchoolur.github.io/lightGallery/docs/api.html
* selector: '#myGalleryID .lslide'
* });
* }"
* ),
* //...
* ],
* //...
* ]); ?>
*/
class Slider extends Widget
{
/**
* @var string
* 'id' => 'myId',
*/
public $id = '';
/**
* Set Items
* @var array
*
* Example 1: Indexed items array
* ---------------------------------
* $items = [
* '<h1>Slide 1</h1><p>Text 1</p>',
* '<h1>Slide 2</h1><p>Text 2</p>',
* '...',
* ]
*
* Example 2: Associative items array
* ---------------------------------
* $items = [
* [
* 'item' => '<h1>Slide 1</h1><p>Text 1</p>',
* 'options' => [
* 'class' => 'text-success',
* ]
* ],
* [
* 'item' => '<h1>Slide 2</h1><p>Text 2</p>',
* 'options' => [
* 'class' => 'text-danger',
* ]
* ],
* //...
* ]
*/
public $items = [];
/**
* @var array
* @see http://sachinchoolur.github.io/lightslider/
*/
public $clientOptions = [];
/**
* List Options
* @var array
*
* Usage:
* 'listOptions' => ['class' => 'myListCssClass']
* Result:
* <ul class="myListCssClass">...</ul>
*/
public $listOptions = [];
/**
* Global Items options
* @var array
*
* Usage:
* 'itemsOptions' => ['class' => 'myItemsCssClass']
* Result:
* <li class="myItemsCssClass">...</li>
*/
public $itemsOptions = [];
/**
* @var string
*/
private $_selector = '';
/**
* Initializes the widget.
*/
public function init()
{
parent::init();
$this->_selector = $this->id ? $this->id : $this->getId();
$this->listOptions['id'] = $this->_selector;
}
/**
* Renders widget
* @return string|void
*/
public function run()
{
if (!empty($this->items)) {
$this->registerAssets();
$this->renderList();
}
}
/**
* Render List
*/
public function renderList()
{
echo PHP_EOL . Html::beginTag('ul', $this->listOptions) . PHP_EOL;
if (ArrayHelper::isAssociative($this->items[0])) {
$this->renderAssociativeItems();
} else {
$this->renderIndexedItems();
}
echo Html::endTag('ul') . PHP_EOL;
}
/**
* Render Indexed array items
*/
public function renderIndexedItems()
{
foreach ($this->items as $key => $item) {
echo Html::tag('li', $item, $this->itemsOptions) . PHP_EOL;
}
}
/**
* Render Associative array items
*/
public function renderAssociativeItems()
{
foreach ($this->items as $item) {
$itemData = [];
if (isset($item['options'])) {
foreach ($item['options'] as $key => $data) {
$itemData[$key] = $data;
}
}
$itemOptions = ArrayHelper::merge($itemData, $this->itemsOptions);
echo Html::tag('li', $item['item'], $itemOptions) . PHP_EOL;
}
}
/**
* Register resource
*/
public function registerAssets()
{
$options = Json::encode($this->clientOptions);
$view = $this->getView();
SliderAsset::register($view);
if (isset($this->clientOptions['gallery']) && $this->clientOptions['gallery'] === true) {
GalleryAsset::register($view);
}
$script = new JsExpression("
var slider_{$this->_selector} = $('#{$this->_selector}').lightSlider({$options});
");
$view->registerJs($script, $view::POS_READY);
}
}