@mescius/dsimageviewer/typings/ImageViewer/Models/IViewerTransactionSupport.d.ts

Document Solutions Image Viewer

/**
 * Viewer transaction support.
 **/
export interface IViewerTransactionSupport {
    /**
     * Called when parent viewer requests confirm and apply changes, usually when the Ctrl+Enter or Enter key is pressed.
     **/
    confirmChanges(): Promise<void | boolean> | void | boolean;
    /**
     * Called when parent viewer requests cancel changes, usually when the ESCAPE key is pressed.
     **/
    cancelChanges(): Promise<void | boolean> | void | boolean;
    /**
     * Undo viewer transaction step. Return true if undo operation is consumed.
     **/
    undoTransactionStep(): boolean | void;
    /**
     * Redo viewer transaction step. Return true if redo operation is consumed.
     **/
    redoTransactionStep(): boolean | void;
}