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JavaScript Grid - afterUndo Event

pro version only

This functionality requires PRO version of the DHTMLX Grid (or DHTMLX Suite) package.

triggered after successfully undoing an action

type ActionType = "add" | "remove" | "removeAll" | "change";

interface IAction {
    type: ActionType; 
    batch: IRow[];
    inverse?: IAction; 
}

afterUndo: (action: IAction) => void;

The callback of the event is called with the following parameters:

• type - (string) the type of action: "add", "remove", "removeAll", or "change"
• batch - (array) an array of rows representing the data affected by the action (e.g., added, removed, or modified rows)
• inverse - (object) optional, the inverse action required for undoing (mandatory for the "change" and "removeAll" types, not required for other types)

Example

const grid = new dhx.Grid("grid_container", {
    columns: [
        { id: "name", header: [{ text: "Name" }] },
        { id: "value", header: [{ text: "Value" }] },
    ],
    data: [
        { id: "1", name: "Item 1", value: 10 },
    ],
    history: true
});

grid.history.events.on("afterUndo", (action) => {
    console.log("Action undone:", action.type);
});

added in v9.2

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