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Add option to UndoManager to filter transactions

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This commit is contained in:
Kevin Jahns 2022-05-14 14:23:47 +02:00
parent fc25136b25
commit 4ad8af9a80
1 changed files with 15 additions and 2 deletions
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17
src/utils/UndoManager.js
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@ -132,6 +132,7 @@ const popStackItem = (undoManager, stack, eventType) => {
/**
* @typedef {Object} UndoManagerOptions
* @property {number} [UndoManagerOptions.captureTimeout=500]
* @property {function(Transaction):boolean} [UndoManagerOptions.captureTransaction] Do not capture changes of a Transaction if result false.
* @property {function(Item):boolean} [UndoManagerOptions.deleteFilter=()=>true] Sometimes
* it is necessary to filter whan an Undo/Redo operation can delete. If this
* filter returns false, the type/item won't be deleted even it is in the
@ -154,7 +155,13 @@ export class UndoManager extends Observable {
* @param {AbstractType<any>|Array<AbstractType<any>>} typeScope Accepts either a single type, or an array of types
* @param {UndoManagerOptions} options
*/
constructor (typeScope, { captureTimeout = 500, deleteFilter = () => true, trackedOrigins = new Set([null]), ignoreRemoteMapChanges = false } = {}) {
constructor (typeScope, {
captureTimeout = 500,
captureTransaction = tr => true,
deleteFilter = () => true,
trackedOrigins = new Set([null]),
ignoreRemoteMapChanges = false
} = {}) {
super()
/**
* @type {Array<AbstractType<any>>}
@ -164,6 +171,7 @@ export class UndoManager extends Observable {
this.deleteFilter = deleteFilter
trackedOrigins.add(this)
this.trackedOrigins = trackedOrigins
this.captureTransaction = captureTransaction
/**
* @type {Array<StackItem>}
*/
@ -187,7 +195,12 @@ export class UndoManager extends Observable {
*/
this.afterTransactionHandler = transaction => {
// Only track certain transactions
if (!this.scope.some(type => transaction.changedParentTypes.has(type)) || (!this.trackedOrigins.has(transaction.origin) && (!transaction.origin || !this.trackedOrigins.has(transaction.origin.constructor)))) {
if (this.captureTransaction(transaction) && (
!this.scope.some(type => transaction.changedParentTypes.has(type)) ||
(
!this.trackedOrigins.has(transaction.origin) && (!transaction.origin || !this.trackedOrigins.has(transaction.origin.constructor))
)
)) {
return
}
const undoing = this.undoing