FUIAttachmentsViewControllerDataSource

public protocol FUIAttachmentsViewControllerDataSource : AnyObject

An object that adopts the FUIAttachmentsViewControllerDataSource protocol is responsible for providing the attachment URLs and icons for the FUIAttachmentsViewController.


                      
                      
                      numberOfAttachments(in:)

Gets the number of attachments to display in the FUIAttachmentsViewController’s collection

Declaration

Swift

func numberOfAttachments(in attachmentsViewController: FUIAttachmentsViewController) -> Int

Parameters


                                  attachmentsViewController

the calling FUIAttachmentsViewController instance

Return Value

number of attachments to display in calling FUIAttachmentsViewController’s collection


                      
                      
                      attachmentsViewController(_:iconForAttachmentAtIndex:)

Gets the thumbnail image for the attachment at the specified index. Will override the default icon. Returning nil will fallback to the default icon.

Declaration

Swift

func attachmentsViewController(_ attachmentsViewController: FUIAttachmentsViewController, iconForAttachmentAtIndex index: Int) -> (image: UIImage, contentMode: UIViewContentMode)?

Parameters

`attachmentsViewController`	the calling FUIAttachmentsViewController instance
`index`	the item index of the attachment

Return Value

a thumbnail icon image for the attachment, and the UIViewContentMode which should be used in its presentation


                      
                      
                      attachmentsViewController(_:urlForAttachmentAtIndex:)

Gets the file URL of the attachment resource. Returning nil will cause the FUIAttachmentsViewControllerDelegate couldNotPresentAttachmentAtIndex: method to be invoked, when the user taps on the attachment resource in the view.

Declaration

Swift

func attachmentsViewController(_ attachmentsViewController: FUIAttachmentsViewController, urlForAttachmentAtIndex index: Int) -> URL?

Parameters

`attachmentsViewController`	the calling AttachmentFormView instance
`index`	the item index of the attachment (single-vector)

Return Value

the optional file URL of the attachment resource


                      
                      
                      attachmentsViewController(_:titleForAttachmentAtIndex:)

Gets the thumbnail image for the attachment at the specified index. Will override the default icon. Returning nil will fallback to the default icon.

Declaration

Swift

func attachmentsViewController(_ attachmentsViewController: FUIAttachmentsViewController, titleForAttachmentAtIndex index: Int) -> String?

Parameters

`attachmentsViewController`	the calling FUIAttachmentsViewController instance
`index`	the item index of the attachment

Return Value

a title for the attachment


                      
                      
                      attachmentsViewController(_:subtitleForAttachmentAtIndex:)

Gets the attachment subtitle.

Declaration

Swift

func attachmentsViewController(_ attachmentsViewController: FUIAttachmentsViewController, subtitleForAttachmentAtIndex index: Int) -> String?

Parameters

`attachmentsViewController`	the calling FUIAttachmentsViewController instance
`index`	the item index of the attachment

Return Value

a subtitle for the attachment


                      
                      
                      attachmentsViewController(_:footnoteForAttachmentAtIndex:)

Gets the attachment subtitle.

Declaration

Swift

func attachmentsViewController(_ attachmentsViewController: FUIAttachmentsViewController, footnoteForAttachmentAtIndex index: Int) -> String?

Parameters

`attachmentsViewController`	the calling FUIAttachmentsViewController instance.
`index`	the item index of the attachment.

Return Value

a footnote for the attachment.