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only show topmost top sticky header

pull/21833/head
Bruno Windels 2020-07-03 12:17:54 +02:00 committed by Travis Ralston
parent 2c1eb07768
commit 61a5807fd1
1 changed files with 7 additions and 0 deletions
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7
src/components/structures/LeftPanel2.tsx
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@ -115,6 +115,7 @@ export default class LeftPanel2 extends React.Component<IProps, IState> {
const headerStickyWidth = rlRect.width - headerRightMargin;
let gotBottom = false;
let lastTopHeader;
for (const sublist of sublists) {
const slRect = sublist.getBoundingClientRect();
@ -131,6 +132,12 @@ export default class LeftPanel2 extends React.Component<IProps, IState> {
header.classList.add("mx_RoomSublist2_headerContainer_stickyTop");
header.style.width = `${headerStickyWidth}px`;
header.style.top = `${rlRect.top}px`;
if (lastTopHeader) {
lastTopHeader.style.display = "none";
}
// first unset it, if set in last iteration
header.style.removeProperty("display");
lastTopHeader = header;
} else {
header.classList.remove("mx_RoomSublist2_headerContainer_sticky");
header.classList.remove("mx_RoomSublist2_headerContainer_stickyTop");