ItemCollection class

Class represents collection of dialog items.

Object of collection is created automatically and is available in data provider via the method $dialog->getItemCollection().

For adding items to dialog, use methods $dialog->addItem() or $dialog->addItems() of class Dialog.

Also this collection is returned by static methods Dialog::getItems and Dialog::getSelectedItems.

Method	Description	Available from version
add(Item $item): bool	Adds item (object of class Item) to collection. Use the methods to add items in data provider: $dialog->addItem() or $dialog->addItems().
get(string $entityId, string\|int $itemId): ?Item	Returns a collection item by specified entity and item IDs.
has(Item $item): bool	Returns `true` when specified item is available in the collection.
getAll(): array	Returns array for all items.
count(): int	Returns number of collection items.
getEntityItems(string $entityId): array	Returns array with items of specified entity.
toJsObject(): string	Returns JavaScript representation for collection. Can be used for passing collection data from PHP to JavaScript.
toArray(): array	Returns collection items as a data array.