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prevent updating cursor position if not necessary

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This commit is contained in:
Kevin Jahns 2017-11-26 23:16:52 -08:00
parent 26a323733d
commit 377df18788
1 changed files with 14 additions and 6 deletions
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16
src/Type/y-xml/selection.js
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@ -46,19 +46,27 @@ export function afterTransactionSelectionFixer (y, transaction, remote) {
if (from !== null) { if (from !== null) {
let sel = fromRelativePosition(fromY, from) let sel = fromRelativePosition(fromY, from)
if (sel !== null) { if (sel !== null) {
let node = sel.type.getDom()
let offset = sel.offset
if (node !== anchorNode || offset !== anchorOffset) {
anchorNode = node
anchorOffset = offset
shouldUpdate = true shouldUpdate = true
anchorNode = sel.type.getDom() }
anchorOffset = sel.offset
} }
} }
if (to !== null) { if (to !== null) {
let sel = fromRelativePosition(toY, to) let sel = fromRelativePosition(toY, to)
if (sel !== null) { if (sel !== null) {
focusNode = sel.type.getDom() let node = sel.type.getDom()
focusOffset = sel.offset let offset = sel.offset
if (node !== focusNode || offset !== focusOffset) {
focusNode = node
focusOffset = offset
shouldUpdate = true shouldUpdate = true
} }
} }
}
if (shouldUpdate) { if (shouldUpdate) {
browserSelection.setBaseAndExtent( browserSelection.setBaseAndExtent(
anchorNode, anchorNode,