Configure History Plugin

Creates a configuration object for the history plugin in G6. This plugin enables undo/redo functionality for graph operations.

Usage

history(
  key = "history",
  afterAddCommand = NULL,
  beforeAddCommand = NULL,
  executeCommand = NULL,
  stackSize = 0,
  ...
)

Arguments

key

Unique identifier for the plugin (string, default: NULL)

afterAddCommand

Callback function called after a command is added to the undo/redo queue (JS function, default: NULL)

beforeAddCommand

Callback function called before a command is added to the undo/redo queue (JS function, default: NULL)

executeCommand

Callback function called when executing a command (JS function, default: NULL)

stackSize

Maximum length of history records to be recorded, 0 means unlimited (number, default: 0)

...

Extra parameters. See https://g6.antv.antgroup.com/manual/plugin/build-in/history.

Value

A list with the configuration settings

Examples

# Basic configuration
config <- history()

# Custom configuration
config <- history(
  key = "my-history",
  stackSize = 50,
  beforeAddCommand = JS("function(cmd, revert) {
    console.log('Before adding command:', cmd);
    // Only allow certain operations to be recorded
    return cmd.method !== 'update';
  }"),
  afterAddCommand = JS("function(cmd, revert) {
    console.log('Command added to ' + (revert ? 'undo' : 'redo') + ' stack');
  }"),
  executeCommand = JS("function(cmd) {
    console.log('Executing command:', cmd);
  }")
)