yonote/yjs
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preliminary undo-redo fixes

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This commit is contained in:
Kevin Jahns
2018-02-15 17:58:14 +01:00
parent 4855b2d590
commit f1f1bff901
8 changed files with 73 additions and 72 deletions
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34
src/Struct/Type.js
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@@ -79,40 +79,6 @@ export default class Type extends Item {
type = type._parent
}
}
_copy (undeleteChildren, copyPosition) {
let copy = super._copy(undeleteChildren, copyPosition)
let map = new Map()
copy._map = map
for (let [key, value] of this._map) {
if (undeleteChildren.has(value) || !value.deleted) {
let _item = value._copy(undeleteChildren, false)
_item._parent = copy
_item._parentSub = key
map.set(key, _item)
}
}
let prevUndeleted = null
copy._start = null
let item = this._start
while (item !== null) {
if (undeleteChildren.has(item) || !item.deleted) {
let _item = item._copy(undeleteChildren, false)
_item._left = prevUndeleted
_item._origin = prevUndeleted
_item._right = null
_item._right_origin = null
_item._parent = copy
if (prevUndeleted === null) {
copy._start = _item
} else {
prevUndeleted._right = _item
}
prevUndeleted = _item
}
item = item._right
}
return copy
}
_transact (f) {
const y = this._y
if (y !== null) {