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(core) Close previous example card in the rare cases when a second one might be triggered

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Test Plan: Added a test case

Reviewers: paulfitz

Reviewed By: paulfitz

Differential Revision: https://phab.getgrist.com/D2656
This commit is contained in:
Dmitry S 2020-11-09 21:36:03 -05:00
parent 4febd90758
commit 6d95418cc1
1 changed files with 12 additions and 1 deletions
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13
app/client/ui/ExampleCard.ts
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@ -7,6 +7,8 @@ import {icon} from 'app/client/ui2018/icons';
import {cssLink} from 'app/client/ui2018/links';
import {dom, Observable, styled} from 'grainjs';
let prevCardClose: (() => void)|null = null;
// Open a popup with a card introducing this example, if the user hasn't dismissed it in the past.
export function showExampleCard(
example: IExampleInfo, appModel: AppModel, btnElem: HTMLElement, reopen: boolean = false
@ -31,6 +33,7 @@ export function showExampleCard(
// Close the example card.
function close() {
prevCardClose = null;
collapseAndRemoveCard(cardElem, btnElem.getBoundingClientRect());
// If we fail to save this preference, it's probably not worth alerting the user about,
// so just log to console.
@ -66,13 +69,21 @@ export function showExampleCard(
if (reopen) {
expandCard(cardElem, btnElem.getBoundingClientRect());
}
prevCardClose?.();
prevCardClose = () => disposeCard(cardElem);
}
function disposeCard(cardElem: HTMLElement) {
dom.domDispose(cardElem);
cardElem.remove();
}
// When closing the card, collapse it visually into the button that can open it again, to hint to
// the user where to find that button. Remove the card after the animation.
function collapseAndRemoveCard(card: HTMLElement, collapsedRect: DOMRect) {
const watcher = new TransitionWatcher(card);
watcher.onDispose(() => card.remove());
watcher.onDispose(() => disposeCard(card));
collapseCard(card, collapsedRect);
}