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fix(ui5-expandable-text): scroll toggle link into view on expansion #13524

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fix(ui5-expandable-text): scroll toggle link into view on expansion #13524

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22 changes: 22 additions & 0 deletions packages/main/cypress/specs/ExpandableText.cy.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -173,6 +173,28 @@ describe("ExpandableText", () => {
.should("exist");
});

it("Scrolls toggle link into view on expansion", () => {
const text = "A".repeat(5000);
const maxCharacters = 5;

cy.mount(
<div style={{ height: "200px", overflow: "auto" }}>
<ExpandableText text={text} maxCharacters={maxCharacters}></ExpandableText>
</div>
);

cy.get("[ui5-expandable-text]").shadow().as("expTextShadow");
cy.get("@expTextShadow").find(".ui5-exp-text-toggle").as("toggle");

cy.get("@toggle")
.contains(EXPANDABLE_TEXT_SHOW_MORE.defaultText)
.realClick();

cy.get("@toggle")
.contains(EXPANDABLE_TEXT_SHOW_LESS.defaultText)
.should("be.visible");
});

it("ARIA attributes", () => {
const text = "This is a very long text that should be displayed";

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14 changes: 14 additions & 0 deletions packages/main/src/ExpandableText.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,8 @@ class ExpandableText extends UI5Element {
@property({ type: Boolean })
_expanded = false;

_shouldScrollToToggle = false;

@i18n("@ui5/webcomponents")
static i18nBundle: I18nBundle;

Expand Down Expand Up @@ -166,8 +168,20 @@ class ExpandableText extends UI5Element {
}
}

onAfterRendering() {
if (this._shouldScrollToToggle) {
this._shouldScrollToToggle = false;
const toggleLink = this.shadowRoot?.querySelector<HTMLElement>("#toggle");
toggleLink?.scrollIntoView?.({ block: "nearest" });
}
}

_handleToggleClick() {
this._expanded = !this._expanded;

if (this._expanded && !this._usePopover) {
this._shouldScrollToToggle = true;
}
}

_handleCloseButtonClick(e: UI5CustomEvent<Button, "click">) {
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