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fix(expansion): fix expansion .mat-expansion-panel-header styles #20019

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Merged
merged 1 commit into from
Aug 15, 2022
Merged

fix(expansion): fix expansion .mat-expansion-panel-header styles #20019

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5 changes: 0 additions & 5 deletions ...aterial/expansion/expansion-expand-collapse-all/expansion-expand-collapse-all-example.css
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,6 @@
padding-bottom: 20px;
}

.example-headers-align .mat-expansion-panel-header-title,
.example-headers-align .mat-expansion-panel-header-description {
flex-basis: 0;
}

.example-headers-align .mat-expansion-panel-header-description {
justify-content: space-between;
align-items: center;
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5 changes: 0 additions & 5 deletions src/components-examples/material/expansion/expansion-steps/expansion-steps-example.css
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Original file line number Diff line number Diff line change
@@ -1,8 +1,3 @@
.example-headers-align .mat-expansion-panel-header-title,
.example-headers-align .mat-expansion-panel-header-description {
flex-basis: 0;
}

.example-headers-align .mat-expansion-panel-header-description {
justify-content: space-between;
align-items: center;
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2 changes: 1 addition & 1 deletion src/material/expansion/expansion-panel-header.html
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
<span class="mat-content">
<span class="mat-content" [class.mat-content-hide-toggle]="!_showToggle()">
<ng-content select="mat-panel-title"></ng-content>
<ng-content select="mat-panel-description"></ng-content>
<ng-content></ng-content>
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21 changes: 21 additions & 0 deletions src/material/expansion/expansion-panel-header.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -48,12 +48,33 @@
flex: 1;
flex-direction: row;
overflow: hidden;

// width of .mat-expansion-indicator::after element
&.mat-content-hide-toggle {
margin-right: 8px;

[dir='rtl'] & {
margin-right: 0;
margin-left: 8px;
}

.mat-expansion-toggle-indicator-before & {
margin-left: 24px;
margin-right: 0;

[dir='rtl'] & {
margin-right: 24px;
margin-left: 0;
}
}
}
}

.mat-expansion-panel-header-title,
.mat-expansion-panel-header-description {
display: flex;
flex-grow: 1;
flex-basis: 0;
margin-right: 16px;
align-items: center;

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13 changes: 7 additions & 6 deletions src/material/expansion/expansion.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -63,9 +63,8 @@ describe('MatExpansionPanel', () => {

it('should be able to render panel content lazily', fakeAsync(() => {
const fixture = TestBed.createComponent(LazyPanelWithContent);
const content = fixture.debugElement.query(
By.css('.mat-expansion-panel-content'),
)!.nativeElement;
const content = fixture.debugElement.query(By.css('.mat-expansion-panel-content'))!
.nativeElement;
fixture.detectChanges();

expect(content.textContent.trim())
Expand All @@ -82,9 +81,8 @@ describe('MatExpansionPanel', () => {

it('should render the content for a lazy-loaded panel that is opened on init', fakeAsync(() => {
const fixture = TestBed.createComponent(LazyPanelOpenOnLoad);
const content = fixture.debugElement.query(
By.css('.mat-expansion-panel-content'),
)!.nativeElement;
const content = fixture.debugElement.query(By.css('.mat-expansion-panel-content'))!
.nativeElement;
fixture.detectChanges();

expect(content.textContent.trim())
Expand Down Expand Up @@ -314,19 +312,22 @@ describe('MatExpansionPanel', () => {
it('should be able to hide the toggle', () => {
const fixture = TestBed.createComponent(PanelWithContent);
const header = fixture.debugElement.query(By.css('.mat-expansion-panel-header'))!.nativeElement;
const content = fixture.debugElement.query(By.css('.mat-content'))!.nativeElement;

fixture.detectChanges();

expect(header.querySelector('.mat-expansion-indicator'))
.withContext('Expected indicator to be shown.')
.toBeTruthy();
expect(content.classList).not.toContain('mat-content-hide-toggle');

fixture.componentInstance.hideToggle = true;
fixture.detectChanges();

expect(header.querySelector('.mat-expansion-indicator'))
.withContext('Expected indicator to be hidden.')
.toBeFalsy();
expect(content.classList).toContain('mat-content-hide-toggle');
});

it('should update the indicator rotation when the expanded state is toggled programmatically', fakeAsync(() => {
Expand Down