Instance Method

updateChangeCount(withToken:for:)

Records the fact that saving has succeeded and updates related aspects of the change count mechanism.

Declaration

func updateChangeCount(withToken changeCountToken: Any, for saveOperation: NSDocument.SaveOperationType)

Parameters

changeCountToken

An object encapsulating the document changes, returned from changeCountToken(for:).

saveOperation

The type of save operation.

Discussion

This method updates the values in the isDocumentEdited and hasUnautosavedChanges properties. For example, save(to:ofType:for:completionHandler:) invokes this method, on the main thread, when it is done saving. The default implementation of this method also sends all of the document’s window controllers setDocumentEdited(_:) messages when appropriate.

See Also

Reading From and Writing to URLs

func read(from: URL, ofType: String)

Sets the contents of this document by reading from a file or file package, of a specified type, located by a URL.

func write(to: URL, ofType: String)

Writes the contents of the document to a file or file package located by a URL, formatted to a specified type.

func writeSafely(to: URL, ofType: String, for: NSDocument.SaveOperationType)

Writes the contents of the document to a file or file package located by a URL.

func write(to: URL, ofType: String, for: NSDocument.SaveOperationType, originalContentsURL: URL?)

Writes the contents of the document to a file or file package located by a URL.

func fileAttributesToWrite(to: URL, ofType: String, for: NSDocument.SaveOperationType, originalContentsURL: URL?) -> [String : Any]

As a file is being saved, returns the attributes that should be written to a file or file package located by a URL, formatted to a specified type, for a particular kind of save operation.

func save(to: URL, ofType: String, for: NSDocument.SaveOperationType, delegate: Any?, didSave: Selector?, contextInfo: UnsafeMutableRawPointer?)

Saves the contents of the document to a file or file package located by a URL, formatted to a specified type, for a particular kind of save operation.

func canAsynchronouslyWrite(to: URL, ofType: String, for: NSDocument.SaveOperationType) -> Bool

Returns whether the receiver can concurrently write to a file or file package located by a URL, formatted for a specific type, for a specific kind of save operation.

func changeCountToken(for: NSDocument.SaveOperationType) -> Any

Returns an object that encapsulates the current record of document changes at the beginning of a save operation.

func save(to: URL, ofType: String, for: NSDocument.SaveOperationType, completionHandler: (Error?) -> Void)

Saves the contents of the document to a file or file package located by a URL, formatted to a specified type, for a particular kind of save operation, and invokes the passed-in completion handler.

func unblockUserInteraction()

Unblocks the main thread during asynchronous saving.