machankura/mempool
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scroll selected mempool block into view

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Mononaut 2023-06-16 12:44:55 -04:00
parent d848ab4bef
commit 9d606d0006
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GPG Key ID: A3F058E41374C04E
1 changed files with 31 additions and 9 deletions
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40
frontend/src/app/components/start/start.component.ts
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@ -40,7 +40,7 @@ export class StartComponent implements OnInit, OnDestroy {
minScrollWidth: number;
pageIndex: number = 0;
pages: any[] = [];
pendingMark: number | void = null;
pendingMark: number | null = null;
lastUpdate: number = 0;
lastMouseX: number;
velocity: number = 0;
@ -71,19 +71,29 @@ export class StartComponent implements OnInit, OnDestroy {
this.chainTip = height;
this.tipIsSet = true;
this.updatePages();
if (this.pendingMark != null) {
this.scrollToBlock(this.pendingMark);
this.pendingMark = null;
}
this.applyPendingMarkArrow();
});
this.markBlockSubscription = this.stateService.markBlock$.subscribe((mark) => {
let blockHeight;
if (mark?.blockHeight != null) {
blockHeight = mark.blockHeight;
} else if (mark?.mempoolBlockIndex != null) {
blockHeight = -1 - mark.mempoolBlockIndex;
} else if (mark?.mempoolPosition?.block != null) {
blockHeight = -1 - mark.mempoolPosition.block;
}
if (blockHeight != null) {
if (this.tipIsSet) {
if (!this.blockInViewport(mark.blockHeight)) {
this.scrollToBlock(mark.blockHeight);
let scrollToHeight = blockHeight;
if (blockHeight < 0) {
scrollToHeight = this.chainTip - blockHeight;
}
} else {
this.pendingMark = mark.blockHeight;
if (!this.blockInViewport(scrollToHeight)) {
this.scrollToBlock(scrollToHeight);
}
}
if (!this.tipIsSet || (blockHeight < 0 && !this.mempoolOffset)) {
this.pendingMark = blockHeight;
}
}
});
@ -122,6 +132,18 @@ export class StartComponent implements OnInit, OnDestroy {
const delta = offset - this.mempoolOffset;
this.addConvertedScrollOffset(delta);
this.mempoolOffset = offset;
this.applyPendingMarkArrow();
}
applyPendingMarkArrow(): void {
if (this.pendingMark != null) {
if (this.pendingMark < 0) {
this.scrollToBlock(this.chainTip - this.pendingMark);
} else {
this.scrollToBlock(this.pendingMark);
}
this.pendingMark = null;
}
}
@HostListener('window:resize', ['$event'])