Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

feat: implement infinite scrolling for backlog items #640

Merged
merged 1 commit into from
Feb 27, 2025
Merged

feat: implement infinite scrolling for backlog items #640

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
53 changes: 46 additions & 7 deletions packages/webgal/src/UI/Backlog/Backlog.tsx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,17 +16,52 @@ export const Backlog = () => {
// logger.info('Backlog render');
const { playSeEnter, playSeClick } = useSoundEffect();
const GUIStore = useSelector((state: RootState) => state.GUI);
const isBacklogOpen = GUIStore.showBacklog;
const dispatch = useDispatch();
const iconSize = '0.8em';
const [indexHide, setIndexHide] = useState(false);
const [isDisableScroll, setIsDisableScroll] = useState(false);
const [limit, setLimit] = useState(20);
useEffect(() => {
if (!isBacklogOpen) {
return;
}
let options = {
root: null,
rootMargin: '0px',
threshold: [1.0],
};

let observer = new IntersectionObserver((entries) => {
if ((entries?.[0]?.intersectionRatio ?? 0) <= 0) return;
setLimit(limit + 20);
}, options);

const observeTarget = document.querySelector(`#backlog_item_${limit - 5}`);
if (observeTarget) {
observer.observe(observeTarget);
}

return () => {
observer.disconnect();
};
}, [limit, isBacklogOpen]);

useEffect(() => {
if (!isBacklogOpen) {
setLimit(20);
}
}, [isBacklogOpen]);

let timeRef = useRef<ReturnType<typeof setTimeout>>();
// 缓存一下vdom
const backlogList = useMemo<any>(() => {
let backlogs = [];
const current_backlog_len = WebGAL.backlogManager.getBacklog().length;
// logger.info('backlogList render');
for (let i = 0; i < WebGAL.backlogManager.getBacklog().length; i++) {
const backlogItem = WebGAL.backlogManager.getBacklog()[i];
for (let i = 0; i < Math.min(current_backlog_len, limit); i++) {
const indexOfBacklog = current_backlog_len - i - 1;
const backlogItem = WebGAL.backlogManager.getBacklog()[indexOfBacklog];
const showTextArray = compileSentence(backlogItem.currentStageState.showText, 3, true, false);
const showTextArray2 = showTextArray.map((line) => {
return line.map((c) => {
Expand Down Expand Up @@ -70,15 +105,16 @@ export const Backlog = () => {
const singleBacklogView = (
<div
className={styles.backlog_item}
style={{ animationDelay: `${20 * (WebGAL.backlogManager.getBacklog().length - i)}ms` }}
id={`backlog_item_${i}`}
style={{ animationDelay: `${20 * ((i - 1) % 20)}ms` }}
key={'backlogItem' + backlogItem.currentStageState.showText + backlogItem.saveScene.currentSentenceId}
>
<div className={styles.backlog_func_area}>
<div className={styles.backlog_item_button_list}>
<div
onClick={(e) => {
playSeClick();
jumpFromBacklog(i);
jumpFromBacklog(indexOfBacklog);
e.preventDefault();
e.stopPropagation();
}}
Expand All @@ -92,7 +128,9 @@ export const Backlog = () => {
onClick={() => {
playSeClick();
// 获取到播放 backlog 语音的元素
const backlog_audio_element: any = document.getElementById('backlog_audio_play_element_' + i);
const backlog_audio_element: any = document.getElementById(
'backlog_audio_play_element_' + indexOfBacklog,
);
if (backlog_audio_element) {
backlog_audio_element.currentTime = 0;
const userDataStore = webgalStore.getState().userData;
Expand All @@ -113,15 +151,16 @@ export const Backlog = () => {
<div className={styles.backlog_item_content}>
<span className={styles.backlog_item_content_text}>{showTextElementList}</span>
</div>
<audio id={'backlog_audio_play_element_' + i} src={backlogItem.currentStageState.vocal} />
<audio id={'backlog_audio_play_element_' + indexOfBacklog} src={backlogItem.currentStageState.vocal} />
</div>
);
backlogs.unshift(singleBacklogView);
backlogs.push(singleBacklogView);
}
return backlogs;
}, [
WebGAL.backlogManager.getBacklog()[WebGAL.backlogManager.getBacklog().length - 1]?.saveScene?.currentSentenceId ??
0,
limit,
]);
useEffect(() => {
/* 切换为展示历史记录时触发 */
Expand Down