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Reintroduce sticky header width

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This commit is contained in:
Germain Souquet 2021-05-27 12:44:53 +01:00
parent fcae19f831
commit aaca71b316
2 changed files with 19 additions and 2 deletions
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1
res/css/views/rooms/_RoomSublist.scss
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@ -61,6 +61,7 @@ limitations under the License.
&.mx_RoomSublist_headerContainer_sticky {
position: fixed;
height: 32px; // to match the header container
// width set by JS because of a compat issue between Firefox and Chrome
width: calc(100% - 15px);
}

20
src/components/structures/LeftPanel.tsx
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@ -95,7 +95,8 @@ export default class LeftPanel extends React.Component<IProps, IState> {
}
public componentDidMount() {
UIStore.instance.trackElementDimensions("LeftPanel", this.ref.current);
UIStore.instance.trackElementDimensions("ListContainer", this.listContainerRef.current);
UIStore.instance.on("ListContainer", this.refreshStickyHeaders);
}
public componentWillUnmount() {
@ -105,7 +106,8 @@ export default class LeftPanel extends React.Component<IProps, IState> {
RoomListStore.instance.off(LISTS_UPDATE_EVENT, this.onBreadcrumbsUpdate);
OwnProfileStore.instance.off(UPDATE_EVENT, this.onBackgroundImageUpdate);
SpaceStore.instance.off(UPDATE_SELECTED_SPACE, this.updateActiveSpace);
UIStore.instance.stopTrackingElementDimensions("LeftPanel");
UIStore.instance.stopTrackingElementDimensions("ListContainer");
UIStore.instance.removeListener("ListContainer", this.refreshStickyHeaders);
}
private updateActiveSpace = (activeSpace: Room) => {
@ -251,10 +253,24 @@ export default class LeftPanel extends React.Component<IProps, IState> {
if (!header.classList.contains("mx_RoomSublist_headerContainer_sticky")) {
header.classList.add("mx_RoomSublist_headerContainer_sticky");
}
const listDimensions = UIStore.instance.getElementDimensions("ListContainer");
if (listDimensions) {
const headerRightMargin = 15; // calculated from margins and widths to align with non-sticky tiles
const headerStickyWidth = listDimensions.width - headerRightMargin;
const newWidth = `${headerStickyWidth}px`;
if (header.style.width !== newWidth) {
header.style.width = newWidth;
}
}
} else if (!style.stickyTop && !style.stickyBottom) {
if (header.classList.contains("mx_RoomSublist_headerContainer_sticky")) {
header.classList.remove("mx_RoomSublist_headerContainer_sticky");
}
if (header.style.width) {
header.style.removeProperty('width');
}
}
}