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StackLayout.php
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StackLayout.php
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<?php
namespace OOUI;
/**
* StackLayouts contain a series of PanelLayouts
*/
class StackLayout extends PanelLayout {
use GroupElement;
/** @var bool */
protected $continuous;
/** @var PanelLayout|null */
protected $currentItem;
/**
* @param array $config Configuration options
* - bool $config['continuous'] Show all panels, one after another (default: false)
* - PanelLayout[] $config['items'] Panel layouts to add to the stack layout.
*/
public function __construct( array $config = [] ) {
$config = array_merge( [
'preserveContent' => false,
'scrollable' => $config['continuous'] ?? false
], $config );
// Parent constructor
parent::__construct( $config );
// Properties
$this->continuous = $config['continuous'] ?? false;
// Traits
$this->initializeGroupElement( array_merge( $config, [ 'group' => $this ] ) );
// Initialization
$this->addClasses( [ 'oo-ui-stackLayout' ] );
if ( $this->continuous ) {
$this->addClasses( [ 'oo-ui-stackLayout-continuous' ] );
}
$this->addItems( $config['items'] ?? [] );
}
/**
* @param PanelLayout|null $item
*/
public function setItem( $item ) {
if ( $item !== $this->currentItem ) {
$items = $this->getItems();
$this->updateHiddenState( $items, $item );
$this->currentItem = $item;
}
}
/**
* @param Element[] $items
* @param PanelLayout|null $selectedItem
*/
private function updateHiddenState( $items, $selectedItem ) {
if ( !$this->continuous ) {
foreach ( $items as $item ) {
if ( !$selectedItem || $selectedItem !== $item ) {
$item->toggle( false );
$item->setAttributes( [ 'aria-hidden' => 'true' ] );
}
}
if ( $selectedItem ) {
$selectedItem->toggle( true );
$selectedItem->removeAttributes( [ 'aria-hidden' ] );
}
}
}
/** @inheritDoc */
public function getConfig( &$config ) {
$config = parent::getConfig( $config );
if ( $this->continuous ) {
$config['continuous'] = $this->continuous;
// scrollable default has changed to true
if ( !$this->hasClass( 'oo-ui-panelLayout-scrollable' ) ) {
$config['scrollable'] = false;
} else {
unset( $config['scrollable'] );
}
}
return $config;
}
}

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text/x-php
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Sat, Oct 3, 20:28 (3 d, 20 h ago)
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b8/d5/d90cfa3287cfbaf8a05c8a519134
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StackLayout.php (2 KB)

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