History Class

Contains methods related to Rich Text Editor history.

Declaration

export class History

Remarks

An object of the History class can be accessed by the history property.

JS

richEdit.history.undo();

Methods

beginTransaction Method

Specifies that the following actions should be saved as a single history transaction.

Declaration

beginTransaction(): void

Remarks

Use the beginTransaction and endTransaction methods to process several actions as a single history transaction.

JS

richEdit.beginUpdate();
richEdit.history.beginTransaction();
var subDocument = richEdit.selection.activeSubDocument;
var position = richEdit.selection.active;
var columnCount = 5;
var rowCount = 5;
var table = subDocument.tables.create(position, columnCount, rowCount);
for (var rowInd = 0, row; row = table.rows.getByIndex(rowInd); rowInd++) {
    for (var cellInd = 0, cell; cell = row.cells.getByIndex(cellInd); cellInd++) {
        subDocument.insertText(cell.interval.start, "Row[" + rowInd + "].Cell[" + cellInd + "]");
    }
}
richEdit.history.endTransaction();
richEdit.endUpdate();

clear Method

Clears the editor history.

Declaration

clear(): void

endTransaction Method

Ends a history transaction.

Declaration

endTransaction(): void

Remarks

Use the beginTransaction and endTransaction methods to process several actions as a single history transaction.

redo Method

Redoes the last undone action in the Rich Text Editor.

Declaration

redo(): void

Remarks

JS

richEdit.history.redo();

undo Method

Undoes the last action in the Rich Text Editor.

Declaration

undo(): void

Remarks

JS

richEdit.history.undo();