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Merge pull request #3391 from matrix-org/bwindels/cider-format-history

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New composer: ensure undo history is persisted before applying formatting
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Bruno Windels 2019-09-06 09:28:18 +00:00 committed by GitHub
commit 5014b606db
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 3 deletions
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1
src/components/views/rooms/BasicMessageComposer.js
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@ -454,6 +454,7 @@ export default class BasicMessageEditor extends React.Component {
if (range.length === 0) {
return;
}
this.historyManager.ensureLastChangesPushed(this.props.model);
switch (action) {
case "bold":
formatInline(range, "**");

10
src/editor/history.js
View file

@ -106,6 +106,12 @@ export default class HistoryManager {
return shouldPush;
}
ensureLastChangesPushed(model) {
if (this._changedSinceLastPush) {
this._pushState(model, this._lastCaret);
}
}
canUndo() {
return this._currentIndex >= 1 || this._changedSinceLastPush;
}
@ -117,9 +123,7 @@ export default class HistoryManager {
// returns state that should be applied to model
undo(model) {
if (this.canUndo()) {
if (this._changedSinceLastPush) {
this._pushState(model, this._lastCaret);
}
this.ensureLastChangesPushed(model);
this._currentIndex -= 1;
return this._stack[this._currentIndex];
}