Command instance

The command instance is responsible for adding and executing commands. It includes many built-in commands and can also be added manually. A command refers to an operation that needs to add a copy to the history stack data. The mindMap.command instance can be obtained through this."

Props

history

The current list of all historical data. Do not manually modify the array.

activeHistoryIndex

The current historical data index. Do not manually modify this property.

Methods

Please use the command 'Back' or 'FORWARD' to move forward or backward.

pause()

v0.9.11+

Pause collecting historical data.

recovery()

v0.9.11+

Restore the collection of historical data.

add(name, fn)

Add a command.

name: Command name

fn: Method to be executed by the command

remove(name, fn)

Remove a command.

name: Name of the command to be removed

fn: Method to be removed, if not provided all methods for the command will be removed

getCopyData()

Get a copy of the rendering tree data. That is, the data of the current canvas.

clearHistory()

Clear the history stack data

addHistory()

Trigger a historical stack data addition operation. Note that this method will delay execution, and the delay time can be set through the instantiation option 'addHistoryTime'.

originAddHistory ()

v0.12.1+

The function is the same as the 'addHistory' method, but this method will execute immediately without delay.

extendKeyMap(key, code)

v0.12.2+

key：The key identifier to be extended, for example, there may be multiple / keys on the keyboard, and the library has already defined one by default. You can define a new one and choose the name you want, for example: /2

code：The key value of this button

Expand key mapping.

Usage example:

mindMap.keyCommand.extendKeyMap('/2', 111)
mindMap.keyCommand.addShortcut('/2', mindMap.renderer.toggleActiveExpand)

removeKeyMap(key)

v0.12.2+

Remove a key from the key mapping.