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undo

The functionality is available in PRO Edition onlyPRO

Description​

Allows performing steps back in history

It's required to enable the undo property to perfrom the action.

Actions that can be undone: add-task, update-task, add-link, update-link, delete-task, delete-link, move-task, copy-task.

Hot key for the action: CTRL + Z

Usage​

"undo": () => void;

Parameters​

The callback of the action takes no parameters.

Example​

We enable the undo action on a button click.

<script>
    import { Gantt } from "@svar/svelte-gantt";
    import { Button } from "@svar-ui/svelte-core";
    import { getData } from "../data";

    const { tasks, links } = getData();
    
    let api = $state();
    
    function undo() {
      api.exec("undo");
    }
</script>

    <Button onclick={undo}>Undo</Button>
    <Gantt bind:this={api} {tasks} {links} undo />

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