Interface: IViewerTransactionSupport

Viewer transaction support.

Methods

cancelChanges()

cancelChanges(): boolean | void | Promise<boolean | void>;

Called when parent viewer requests cancel changes, usually when the ESCAPE key is pressed.

Returns

boolean | void | Promise<boolean | void>

confirmChanges()

confirmChanges(): boolean | void | Promise<boolean | void>;

Called when parent viewer requests confirm and apply changes, usually when the Ctrl+Enter or Enter key is pressed.

Returns

boolean | void | Promise<boolean | void>

redoTransactionStep()

redoTransactionStep(): boolean | void;

Redo viewer transaction step. Return true if redo operation is consumed.

Returns

boolean | void

undoTransactionStep()

undoTransactionStep(): boolean | void;

Undo viewer transaction step. Return true if undo operation is consumed.

Returns

boolean | void