@mescius/dspdfviewer/typings/Undo/Commands/UndoCommandSupport.d.ts

Document Solutions PDF Viewer

import GcPdfViewer from "../../GcPdfViewer";
/**
 * Interface for undo commands.
 * @example
 * // The UndoCommandSupport interface implementation example.
 * function CustomUndoCommand() { }
 * CustomUndoCommand.prototype = {
 *     name: "CustomUndoCommand",
 *     execute: function(viewer) {
 *         return new Promise((resolve)=>{
 *             // Put your action code here
 *             resolve();
 *         })
 *     },
 *     undo: function(viewer) {
 *         return new Promise((resolve)=>{
 *             // Put your undo action here
 *             resolve();
 *         })
 *     }
 * };
 **/
export interface UndoCommandSupport {
    /**
     * Optional. The unique name of the command. Used by the undo.skipCommands option setting.
     **/
    name?: string;
    /**
     * Action implementation.
     * @param viewer
     **/
    execute(viewer: GcPdfViewer): Promise<void>;
    /**
     * Undo action implementation.
     * @param viewer
     **/
    undo(viewer: GcPdfViewer): Promise<void>;
}