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update initially shown amount of tiles on component update

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as rooms aren't all available at ctor time
This commit is contained in:
Bruno Windels 2020-07-10 18:37:58 +02:00
parent 96f2968854
commit 86817430c5
1 changed files with 11 additions and 2 deletions
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13
src/components/views/rooms/RoomSublist2.tsx
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@ -142,7 +142,11 @@ export default class RoomSublist2 extends React.Component<IProps, IState> {
}
private get numTiles(): number {
return (this.props.rooms || []).length + (this.props.extraBadTilesThatShouldntExist || []).length;
return RoomSublist2.calcNumTiles(this.props);
}
private static calcNumTiles(props) {
return (props.rooms || []).length + (props.extraBadTilesThatShouldntExist || []).length;
}
private get numVisibleTiles(): number {
@ -150,8 +154,13 @@ export default class RoomSublist2 extends React.Component<IProps, IState> {
return Math.min(nVisible, this.numTiles);
}
public componentDidUpdate() {
public componentDidUpdate(prevProps) {
this.state.notificationState.setRooms(this.props.rooms);
// as the rooms can come in one by one we need to reevaluate
// the amount of available rooms to cap the amount of requested visible rooms by the layout
if (RoomSublist2.calcNumTiles(prevProps) !== this.numTiles) {
this.setState({height: this.calculateInitialHeight()});
}
}
public componentWillUnmount() {