@angular/material
Version:
Angular Material
481 lines • 84.2 kB
JavaScript
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ContentChildren, Directive, ElementRef, EventEmitter, Inject, Input, Optional, Output, QueryList, ViewChild, ViewEncapsulation, } from '@angular/core';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
import { MAT_TAB_GROUP, MatTab } from './tab';
import { MatTabHeader } from './tab-header';
import { coerceBooleanProperty, coerceNumberProperty, } from '@angular/cdk/coercion';
import { mixinColor, mixinDisableRipple, } from '@angular/material/core';
import { merge, Subscription } from 'rxjs';
import { MAT_TABS_CONFIG } from './tab-config';
import { startWith } from 'rxjs/operators';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
import * as i2 from "@angular/cdk/portal";
import * as i3 from "@angular/material/core";
import * as i4 from "@angular/cdk/a11y";
import * as i5 from "./tab-body";
import * as i6 from "./tab-label-wrapper";
import * as i7 from "./tab-header";
/** Used to generate unique ID's for each tab component */
let nextId = 0;
// Boilerplate for applying mixins to MatTabGroup.
/** @docs-private */
const _MatTabGroupMixinBase = mixinColor(mixinDisableRipple(class {
constructor(_elementRef) {
this._elementRef = _elementRef;
}
}), 'primary');
/**
* Base class with all of the `MatTabGroupBase` functionality.
* @docs-private
*/
export class _MatTabGroupBase extends _MatTabGroupMixinBase {
constructor(elementRef, _changeDetectorRef, defaultConfig, _animationMode) {
super(elementRef);
this._changeDetectorRef = _changeDetectorRef;
this._animationMode = _animationMode;
/** All of the tabs that belong to the group. */
this._tabs = new QueryList();
/** The tab index that should be selected after the content has been checked. */
this._indexToSelect = 0;
/** Index of the tab that was focused last. */
this._lastFocusedTabIndex = null;
/** Snapshot of the height of the tab body wrapper before another tab is activated. */
this._tabBodyWrapperHeight = 0;
/** Subscription to tabs being added/removed. */
this._tabsSubscription = Subscription.EMPTY;
/** Subscription to changes in the tab labels. */
this._tabLabelSubscription = Subscription.EMPTY;
this._dynamicHeight = false;
this._selectedIndex = null;
/** Position of the tab header. */
this.headerPosition = 'above';
this._disablePagination = false;
this._preserveContent = false;
/** Output to enable support for two-way binding on `[(selectedIndex)]` */
this.selectedIndexChange = new EventEmitter();
/** Event emitted when focus has changed within a tab group. */
this.focusChange = new EventEmitter();
/** Event emitted when the body animation has completed */
this.animationDone = new EventEmitter();
/** Event emitted when the tab selection has changed. */
this.selectedTabChange = new EventEmitter(true);
this._groupId = nextId++;
this.animationDuration =
defaultConfig && defaultConfig.animationDuration ? defaultConfig.animationDuration : '500ms';
this.disablePagination =
defaultConfig && defaultConfig.disablePagination != null
? defaultConfig.disablePagination
: false;
this.dynamicHeight =
defaultConfig && defaultConfig.dynamicHeight != null ? defaultConfig.dynamicHeight : false;
this.contentTabIndex = defaultConfig?.contentTabIndex ?? null;
this.preserveContent = !!defaultConfig?.preserveContent;
}
/** Whether the tab group should grow to the size of the active tab. */
get dynamicHeight() {
return this._dynamicHeight;
}
set dynamicHeight(value) {
this._dynamicHeight = coerceBooleanProperty(value);
}
/** The index of the active tab. */
get selectedIndex() {
return this._selectedIndex;
}
set selectedIndex(value) {
this._indexToSelect = coerceNumberProperty(value, null);
}
/** Duration for the tab animation. Will be normalized to milliseconds if no units are set. */
get animationDuration() {
return this._animationDuration;
}
set animationDuration(value) {
this._animationDuration = /^\d+$/.test(value + '') ? value + 'ms' : value;
}
/**
* `tabindex` to be set on the inner element that wraps the tab content. Can be used for improved
* accessibility when the tab does not have focusable elements or if it has scrollable content.
* The `tabindex` will be removed automatically for inactive tabs.
* Read more at https://www.w3.org/TR/wai-aria-practices/examples/tabs/tabs-2/tabs.html
*/
get contentTabIndex() {
return this._contentTabIndex;
}
set contentTabIndex(value) {
this._contentTabIndex = coerceNumberProperty(value, null);
}
/**
* Whether pagination should be disabled. This can be used to avoid unnecessary
* layout recalculations if it's known that pagination won't be required.
*/
get disablePagination() {
return this._disablePagination;
}
set disablePagination(value) {
this._disablePagination = coerceBooleanProperty(value);
}
/**
* By default tabs remove their content from the DOM while it's off-screen.
* Setting this to `true` will keep it in the DOM which will prevent elements
* like iframes and videos from reloading next time it comes back into the view.
*/
get preserveContent() {
return this._preserveContent;
}
set preserveContent(value) {
this._preserveContent = coerceBooleanProperty(value);
}
/** Background color of the tab group. */
get backgroundColor() {
return this._backgroundColor;
}
set backgroundColor(value) {
const nativeElement = this._elementRef.nativeElement;
nativeElement.classList.remove(`mat-background-${this.backgroundColor}`);
if (value) {
nativeElement.classList.add(`mat-background-${value}`);
}
this._backgroundColor = value;
}
/**
* After the content is checked, this component knows what tabs have been defined
* and what the selected index should be. This is where we can know exactly what position
* each tab should be in according to the new selected index, and additionally we know how
* a new selected tab should transition in (from the left or right).
*/
ngAfterContentChecked() {
// Don't clamp the `indexToSelect` immediately in the setter because it can happen that
// the amount of tabs changes before the actual change detection runs.
const indexToSelect = (this._indexToSelect = this._clampTabIndex(this._indexToSelect));
// If there is a change in selected index, emit a change event. Should not trigger if
// the selected index has not yet been initialized.
if (this._selectedIndex != indexToSelect) {
const isFirstRun = this._selectedIndex == null;
if (!isFirstRun) {
this.selectedTabChange.emit(this._createChangeEvent(indexToSelect));
// Preserve the height so page doesn't scroll up during tab change.
// Fixes https://stackblitz.com/edit/mat-tabs-scroll-page-top-on-tab-change
const wrapper = this._tabBodyWrapper.nativeElement;
wrapper.style.minHeight = wrapper.clientHeight + 'px';
}
// Changing these values after change detection has run
// since the checked content may contain references to them.
Promise.resolve().then(() => {
this._tabs.forEach((tab, index) => (tab.isActive = index === indexToSelect));
if (!isFirstRun) {
this.selectedIndexChange.emit(indexToSelect);
// Clear the min-height, this was needed during tab change to avoid
// unnecessary scrolling.
this._tabBodyWrapper.nativeElement.style.minHeight = '';
}
});
}
// Setup the position for each tab and optionally setup an origin on the next selected tab.
this._tabs.forEach((tab, index) => {
tab.position = index - indexToSelect;
// If there is already a selected tab, then set up an origin for the next selected tab
// if it doesn't have one already.
if (this._selectedIndex != null && tab.position == 0 && !tab.origin) {
tab.origin = indexToSelect - this._selectedIndex;
}
});
if (this._selectedIndex !== indexToSelect) {
this._selectedIndex = indexToSelect;
this._lastFocusedTabIndex = null;
this._changeDetectorRef.markForCheck();
}
}
ngAfterContentInit() {
this._subscribeToAllTabChanges();
this._subscribeToTabLabels();
// Subscribe to changes in the amount of tabs, in order to be
// able to re-render the content as new tabs are added or removed.
this._tabsSubscription = this._tabs.changes.subscribe(() => {
const indexToSelect = this._clampTabIndex(this._indexToSelect);
// Maintain the previously-selected tab if a new tab is added or removed and there is no
// explicit change that selects a different tab.
if (indexToSelect === this._selectedIndex) {
const tabs = this._tabs.toArray();
let selectedTab;
for (let i = 0; i < tabs.length; i++) {
if (tabs[i].isActive) {
// Assign both to the `_indexToSelect` and `_selectedIndex` so we don't fire a changed
// event, otherwise the consumer may end up in an infinite loop in some edge cases like
// adding a tab within the `selectedIndexChange` event.
this._indexToSelect = this._selectedIndex = i;
this._lastFocusedTabIndex = null;
selectedTab = tabs[i];
break;
}
}
// If we haven't found an active tab and a tab exists at the selected index, it means
// that the active tab was swapped out. Since this won't be picked up by the rendering
// loop in `ngAfterContentChecked`, we need to sync it up manually.
if (!selectedTab && tabs[indexToSelect]) {
Promise.resolve().then(() => {
tabs[indexToSelect].isActive = true;
this.selectedTabChange.emit(this._createChangeEvent(indexToSelect));
});
}
}
this._changeDetectorRef.markForCheck();
});
}
/** Listens to changes in all of the tabs. */
_subscribeToAllTabChanges() {
// Since we use a query with `descendants: true` to pick up the tabs, we may end up catching
// some that are inside of nested tab groups. We filter them out manually by checking that
// the closest group to the tab is the current one.
this._allTabs.changes.pipe(startWith(this._allTabs)).subscribe((tabs) => {
this._tabs.reset(tabs.filter(tab => {
return tab._closestTabGroup === this || !tab._closestTabGroup;
}));
this._tabs.notifyOnChanges();
});
}
ngOnDestroy() {
this._tabs.destroy();
this._tabsSubscription.unsubscribe();
this._tabLabelSubscription.unsubscribe();
}
/** Re-aligns the ink bar to the selected tab element. */
realignInkBar() {
if (this._tabHeader) {
this._tabHeader._alignInkBarToSelectedTab();
}
}
/**
* Recalculates the tab group's pagination dimensions.
*
* WARNING: Calling this method can be very costly in terms of performance. It should be called
* as infrequently as possible from outside of the Tabs component as it causes a reflow of the
* page.
*/
updatePagination() {
if (this._tabHeader) {
this._tabHeader.updatePagination();
}
}
/**
* Sets focus to a particular tab.
* @param index Index of the tab to be focused.
*/
focusTab(index) {
const header = this._tabHeader;
if (header) {
header.focusIndex = index;
}
}
_focusChanged(index) {
this._lastFocusedTabIndex = index;
this.focusChange.emit(this._createChangeEvent(index));
}
_createChangeEvent(index) {
const event = new MatTabChangeEvent();
event.index = index;
if (this._tabs && this._tabs.length) {
event.tab = this._tabs.toArray()[index];
}
return event;
}
/**
* Subscribes to changes in the tab labels. This is needed, because the @Input for the label is
* on the MatTab component, whereas the data binding is inside the MatTabGroup. In order for the
* binding to be updated, we need to subscribe to changes in it and trigger change detection
* manually.
*/
_subscribeToTabLabels() {
if (this._tabLabelSubscription) {
this._tabLabelSubscription.unsubscribe();
}
this._tabLabelSubscription = merge(...this._tabs.map(tab => tab._stateChanges)).subscribe(() => this._changeDetectorRef.markForCheck());
}
/** Clamps the given index to the bounds of 0 and the tabs length. */
_clampTabIndex(index) {
// Note the `|| 0`, which ensures that values like NaN can't get through
// and which would otherwise throw the component into an infinite loop
// (since Math.max(NaN, 0) === NaN).
return Math.min(this._tabs.length - 1, Math.max(index || 0, 0));
}
/** Returns a unique id for each tab label element */
_getTabLabelId(i) {
return `mat-tab-label-${this._groupId}-${i}`;
}
/** Returns a unique id for each tab content element */
_getTabContentId(i) {
return `mat-tab-content-${this._groupId}-${i}`;
}
/**
* Sets the height of the body wrapper to the height of the activating tab if dynamic
* height property is true.
*/
_setTabBodyWrapperHeight(tabHeight) {
if (!this._dynamicHeight || !this._tabBodyWrapperHeight) {
return;
}
const wrapper = this._tabBodyWrapper.nativeElement;
wrapper.style.height = this._tabBodyWrapperHeight + 'px';
// This conditional forces the browser to paint the height so that
// the animation to the new height can have an origin.
if (this._tabBodyWrapper.nativeElement.offsetHeight) {
wrapper.style.height = tabHeight + 'px';
}
}
/** Removes the height of the tab body wrapper. */
_removeTabBodyWrapperHeight() {
const wrapper = this._tabBodyWrapper.nativeElement;
this._tabBodyWrapperHeight = wrapper.clientHeight;
wrapper.style.height = '';
this.animationDone.emit();
}
/** Handle click events, setting new selected index if appropriate. */
_handleClick(tab, tabHeader, index) {
if (!tab.disabled) {
this.selectedIndex = tabHeader.focusIndex = index;
}
}
/** Retrieves the tabindex for the tab. */
_getTabIndex(tab, index) {
if (tab.disabled) {
return null;
}
const targetIndex = this._lastFocusedTabIndex ?? this.selectedIndex;
return index === targetIndex ? 0 : -1;
}
/** Callback for when the focused state of a tab has changed. */
_tabFocusChanged(focusOrigin, index) {
// Mouse/touch focus happens during the `mousedown`/`touchstart` phase which
// can cause the tab to be moved out from under the pointer, interrupting the
// click sequence (see #21898). We don't need to scroll the tab into view for
// such cases anyway, because it will be done when the tab becomes selected.
if (focusOrigin && focusOrigin !== 'mouse' && focusOrigin !== 'touch') {
this._tabHeader.focusIndex = index;
}
}
}
_MatTabGroupBase.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.0.0-rc.1", ngImport: i0, type: _MatTabGroupBase, deps: [{ token: i0.ElementRef }, { token: i0.ChangeDetectorRef }, { token: MAT_TABS_CONFIG, optional: true }, { token: ANIMATION_MODULE_TYPE, optional: true }], target: i0.ɵɵFactoryTarget.Directive });
_MatTabGroupBase.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "15.0.0-rc.1", type: _MatTabGroupBase, inputs: { dynamicHeight: "dynamicHeight", selectedIndex: "selectedIndex", headerPosition: "headerPosition", animationDuration: "animationDuration", contentTabIndex: "contentTabIndex", disablePagination: "disablePagination", preserveContent: "preserveContent", backgroundColor: "backgroundColor" }, outputs: { selectedIndexChange: "selectedIndexChange", focusChange: "focusChange", animationDone: "animationDone", selectedTabChange: "selectedTabChange" }, usesInheritance: true, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.0.0-rc.1", ngImport: i0, type: _MatTabGroupBase, decorators: [{
type: Directive
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.ChangeDetectorRef }, { type: undefined, decorators: [{
type: Inject,
args: [MAT_TABS_CONFIG]
}, {
type: Optional
}] }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [ANIMATION_MODULE_TYPE]
}] }]; }, propDecorators: { dynamicHeight: [{
type: Input
}], selectedIndex: [{
type: Input
}], headerPosition: [{
type: Input
}], animationDuration: [{
type: Input
}], contentTabIndex: [{
type: Input
}], disablePagination: [{
type: Input
}], preserveContent: [{
type: Input
}], backgroundColor: [{
type: Input
}], selectedIndexChange: [{
type: Output
}], focusChange: [{
type: Output
}], animationDone: [{
type: Output
}], selectedTabChange: [{
type: Output
}] } });
/**
* Material design tab-group component. Supports basic tab pairs (label + content) and includes
* animated ink-bar, keyboard navigation, and screen reader.
* See: https://material.io/design/components/tabs.html
*/
export class MatTabGroup extends _MatTabGroupBase {
constructor(elementRef, changeDetectorRef, defaultConfig, animationMode) {
super(elementRef, changeDetectorRef, defaultConfig, animationMode);
this._fitInkBarToContent = false;
this._stretchTabs = true;
this.fitInkBarToContent =
defaultConfig && defaultConfig.fitInkBarToContent != null
? defaultConfig.fitInkBarToContent
: false;
}
/** Whether the ink bar should fit its width to the size of the tab label content. */
get fitInkBarToContent() {
return this._fitInkBarToContent;
}
set fitInkBarToContent(v) {
this._fitInkBarToContent = coerceBooleanProperty(v);
this._changeDetectorRef.markForCheck();
}
/** Whether tabs should be stretched to fill the header. */
get stretchTabs() {
return this._stretchTabs;
}
set stretchTabs(v) {
this._stretchTabs = coerceBooleanProperty(v);
}
}
MatTabGroup.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.0.0-rc.1", ngImport: i0, type: MatTabGroup, deps: [{ token: i0.ElementRef }, { token: i0.ChangeDetectorRef }, { token: MAT_TABS_CONFIG, optional: true }, { token: ANIMATION_MODULE_TYPE, optional: true }], target: i0.ɵɵFactoryTarget.Component });
MatTabGroup.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.0.0-rc.1", type: MatTabGroup, selector: "mat-tab-group", inputs: { color: "color", disableRipple: "disableRipple", fitInkBarToContent: "fitInkBarToContent", stretchTabs: ["mat-stretch-tabs", "stretchTabs"] }, host: { properties: { "class.mat-mdc-tab-group-dynamic-height": "dynamicHeight", "class.mat-mdc-tab-group-inverted-header": "headerPosition === \"below\"", "class.mat-mdc-tab-group-stretch-tabs": "stretchTabs" }, classAttribute: "mat-mdc-tab-group" }, providers: [
{
provide: MAT_TAB_GROUP,
useExisting: MatTabGroup,
},
], queries: [{ propertyName: "_allTabs", predicate: MatTab, descendants: true }], viewQueries: [{ propertyName: "_tabBodyWrapper", first: true, predicate: ["tabBodyWrapper"], descendants: true }, { propertyName: "_tabHeader", first: true, predicate: ["tabHeader"], descendants: true }], exportAs: ["matTabGroup"], usesInheritance: true, ngImport: i0, template: "<mat-tab-header #tabHeader\n [selectedIndex]=\"selectedIndex || 0\"\n [disableRipple]=\"disableRipple\"\n (indexFocused)=\"_focusChanged($event)\"\n (selectFocusedIndex)=\"selectedIndex = $event\">\n\n <div class=\"mdc-tab mat-mdc-tab mat-mdc-focus-indicator\"\n #tabNode\n role=\"tab\"\n matTabLabelWrapper\n cdkMonitorElementFocus\n *ngFor=\"let tab of _tabs; let i = index\"\n [id]=\"_getTabLabelId(i)\"\n [attr.tabIndex]=\"_getTabIndex(tab, i)\"\n [attr.aria-posinset]=\"i + 1\"\n [attr.aria-setsize]=\"_tabs.length\"\n [attr.aria-controls]=\"_getTabContentId(i)\"\n [attr.aria-selected]=\"selectedIndex === i\"\n [attr.aria-label]=\"tab.ariaLabel || null\"\n [attr.aria-labelledby]=\"(!tab.ariaLabel && tab.ariaLabelledby) ? tab.ariaLabelledby : null\"\n [class.mdc-tab--active]=\"selectedIndex === i\"\n [ngClass]=\"tab.labelClass\"\n [disabled]=\"tab.disabled\"\n [fitInkBarToContent]=\"fitInkBarToContent\"\n (click)=\"_handleClick(tab, tabHeader, i)\"\n (cdkFocusChange)=\"_tabFocusChanged($event, i)\">\n <span class=\"mdc-tab__ripple\"></span>\n\n <!-- Needs to be a separate element, because we can't put\n `overflow: hidden` on tab due to the ink bar. -->\n <div\n class=\"mat-mdc-tab-ripple\"\n mat-ripple\n [matRippleTrigger]=\"tabNode\"\n [matRippleDisabled]=\"tab.disabled || disableRipple\"></div>\n\n <span class=\"mdc-tab__content\">\n <span class=\"mdc-tab__text-label\">\n <!-- If there is a label template, use it. -->\n <ng-template [ngIf]=\"tab.templateLabel\" [ngIfElse]=\"tabTextLabel\">\n <ng-template [cdkPortalOutlet]=\"tab.templateLabel\"></ng-template>\n </ng-template>\n\n <!-- If there is not a label template, fall back to the text label. -->\n <ng-template #tabTextLabel>{{tab.textLabel}}</ng-template>\n </span>\n </span>\n </div>\n</mat-tab-header>\n\n<div\n class=\"mat-mdc-tab-body-wrapper\"\n [class._mat-animation-noopable]=\"_animationMode === 'NoopAnimations'\"\n #tabBodyWrapper>\n <mat-tab-body role=\"tabpanel\"\n *ngFor=\"let tab of _tabs; let i = index\"\n [id]=\"_getTabContentId(i)\"\n [attr.tabindex]=\"(contentTabIndex != null && selectedIndex === i) ? contentTabIndex : null\"\n [attr.aria-labelledby]=\"_getTabLabelId(i)\"\n [class.mat-mdc-tab-body-active]=\"selectedIndex === i\"\n [ngClass]=\"tab.bodyClass\"\n [content]=\"tab.content!\"\n [position]=\"tab.position!\"\n [origin]=\"tab.origin\"\n [animationDuration]=\"animationDuration\"\n [preserveContent]=\"preserveContent\"\n (_onCentered)=\"_removeTabBodyWrapperHeight()\"\n (_onCentering)=\"_setTabBodyWrapperHeight($event)\">\n </mat-tab-body>\n</div>\n", styles: [".mdc-tab{min-width:90px;padding-right:24px;padding-left:24px;display:flex;flex:1 0 auto;justify-content:center;box-sizing:border-box;margin:0;padding-top:0;padding-bottom:0;border:none;outline:none;text-align:center;white-space:nowrap;cursor:pointer;-webkit-appearance:none;z-index:1}.mdc-tab::-moz-focus-inner{padding:0;border:0}.mdc-tab[hidden]{display:none}.mdc-tab--min-width{flex:0 1 auto}.mdc-tab__content{display:flex;align-items:center;justify-content:center;height:inherit;pointer-events:none}.mdc-tab__text-label{transition:150ms color linear;display:inline-block;line-height:1;z-index:2}.mdc-tab__icon{transition:150ms color linear;z-index:2}.mdc-tab--stacked .mdc-tab__content{flex-direction:column;align-items:center;justify-content:center}.mdc-tab--stacked .mdc-tab__text-label{padding-top:6px;padding-bottom:4px}.mdc-tab--active .mdc-tab__text-label,.mdc-tab--active .mdc-tab__icon{transition-delay:100ms}.mdc-tab:not(.mdc-tab--stacked) .mdc-tab__icon+.mdc-tab__text-label{padding-left:8px;padding-right:0}[dir=rtl] .mdc-tab:not(.mdc-tab--stacked) .mdc-tab__icon+.mdc-tab__text-label,.mdc-tab:not(.mdc-tab--stacked) .mdc-tab__icon+.mdc-tab__text-label[dir=rtl]{padding-left:0;padding-right:8px}.mdc-tab-indicator .mdc-tab-indicator__content--underline{border-top-width:2px}.mdc-tab-indicator .mdc-tab-indicator__content--icon{height:34px;font-size:34px}.mdc-tab-indicator{display:flex;position:absolute;top:0;left:0;justify-content:center;width:100%;height:100%;pointer-events:none;z-index:1}.mdc-tab-indicator__content{transform-origin:left;opacity:0}.mdc-tab-indicator__content--underline{align-self:flex-end;box-sizing:border-box;width:100%;border-top-style:solid}.mdc-tab-indicator__content--icon{align-self:center;margin:0 auto}.mdc-tab-indicator--active .mdc-tab-indicator__content{opacity:1}.mdc-tab-indicator .mdc-tab-indicator__content{transition:250ms transform cubic-bezier(0.4, 0, 0.2, 1)}.mdc-tab-indicator--no-transition .mdc-tab-indicator__content{transition:none}.mdc-tab-indicator--fade .mdc-tab-indicator__content{transition:150ms opacity linear}.mdc-tab-indicator--active.mdc-tab-indicator--fade .mdc-tab-indicator__content{transition-delay:100ms}.mat-mdc-tab-ripple{position:absolute;top:0;left:0;bottom:0;right:0;pointer-events:none}.mat-mdc-tab.mdc-tab{height:48px;flex-grow:0}.mat-mdc-tab .mdc-tab__ripple::before{content:\"\";display:block;position:absolute;top:0;left:0;right:0;bottom:0;opacity:0;pointer-events:none}.mat-mdc-tab .mdc-tab__content{position:relative}.mat-mdc-tab:hover .mdc-tab__ripple::before{opacity:.04}.mat-mdc-tab.cdk-program-focused .mdc-tab__ripple::before,.mat-mdc-tab.cdk-keyboard-focused .mdc-tab__ripple::before{opacity:.12}.mat-mdc-tab .mat-ripple-element{opacity:.12}.mat-mdc-tab-group.mat-mdc-tab-group-stretch-tabs>.mat-mdc-tab-header .mat-mdc-tab{flex-grow:1}.mat-mdc-tab-disabled{opacity:.4;pointer-events:none}.mat-mdc-tab-group{display:flex;flex-direction:column;max-width:100%}.mat-mdc-tab-group.mat-mdc-tab-group-inverted-header{flex-direction:column-reverse}.mat-mdc-tab-group.mat-mdc-tab-group-inverted-header .mdc-tab-indicator__content--underline{align-self:flex-start}.mat-mdc-tab-body-wrapper{position:relative;overflow:hidden;display:flex;transition:height 500ms cubic-bezier(0.35, 0, 0.25, 1)}.mat-mdc-tab-body-wrapper._mat-animation-noopable{transition:none !important;animation:none !important}"], dependencies: [{ kind: "directive", type: i1.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i1.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { kind: "directive", type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i2.CdkPortalOutlet, selector: "[cdkPortalOutlet]", inputs: ["cdkPortalOutlet"], outputs: ["attached"], exportAs: ["cdkPortalOutlet"] }, { kind: "directive", type: i3.MatRipple, selector: "[mat-ripple], [matRipple]", inputs: ["matRippleColor", "matRippleUnbounded", "matRippleCentered", "matRippleRadius", "matRippleAnimation", "matRippleDisabled", "matRippleTrigger"], exportAs: ["matRipple"] }, { kind: "directive", type: i4.CdkMonitorFocus, selector: "[cdkMonitorElementFocus], [cdkMonitorSubtreeFocus]", outputs: ["cdkFocusChange"], exportAs: ["cdkMonitorFocus"] }, { kind: "component", type: i5.MatTabBody, selector: "mat-tab-body" }, { kind: "directive", type: i6.MatTabLabelWrapper, selector: "[matTabLabelWrapper]", inputs: ["disabled", "fitInkBarToContent"] }, { kind: "component", type: i7.MatTabHeader, selector: "mat-tab-header", inputs: ["selectedIndex"], outputs: ["selectFocusedIndex", "indexFocused"] }], changeDetection: i0.ChangeDetectionStrategy.Default, encapsulation: i0.ViewEncapsulation.None });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.0.0-rc.1", ngImport: i0, type: MatTabGroup, decorators: [{
type: Component,
args: [{ selector: 'mat-tab-group', exportAs: 'matTabGroup', encapsulation: ViewEncapsulation.None, changeDetection: ChangeDetectionStrategy.Default, inputs: ['color', 'disableRipple'], providers: [
{
provide: MAT_TAB_GROUP,
useExisting: MatTabGroup,
},
], host: {
'class': 'mat-mdc-tab-group',
'[class.mat-mdc-tab-group-dynamic-height]': 'dynamicHeight',
'[class.mat-mdc-tab-group-inverted-header]': 'headerPosition === "below"',
'[class.mat-mdc-tab-group-stretch-tabs]': 'stretchTabs',
}, template: "<mat-tab-header #tabHeader\n [selectedIndex]=\"selectedIndex || 0\"\n [disableRipple]=\"disableRipple\"\n (indexFocused)=\"_focusChanged($event)\"\n (selectFocusedIndex)=\"selectedIndex = $event\">\n\n <div class=\"mdc-tab mat-mdc-tab mat-mdc-focus-indicator\"\n #tabNode\n role=\"tab\"\n matTabLabelWrapper\n cdkMonitorElementFocus\n *ngFor=\"let tab of _tabs; let i = index\"\n [id]=\"_getTabLabelId(i)\"\n [attr.tabIndex]=\"_getTabIndex(tab, i)\"\n [attr.aria-posinset]=\"i + 1\"\n [attr.aria-setsize]=\"_tabs.length\"\n [attr.aria-controls]=\"_getTabContentId(i)\"\n [attr.aria-selected]=\"selectedIndex === i\"\n [attr.aria-label]=\"tab.ariaLabel || null\"\n [attr.aria-labelledby]=\"(!tab.ariaLabel && tab.ariaLabelledby) ? tab.ariaLabelledby : null\"\n [class.mdc-tab--active]=\"selectedIndex === i\"\n [ngClass]=\"tab.labelClass\"\n [disabled]=\"tab.disabled\"\n [fitInkBarToContent]=\"fitInkBarToContent\"\n (click)=\"_handleClick(tab, tabHeader, i)\"\n (cdkFocusChange)=\"_tabFocusChanged($event, i)\">\n <span class=\"mdc-tab__ripple\"></span>\n\n <!-- Needs to be a separate element, because we can't put\n `overflow: hidden` on tab due to the ink bar. -->\n <div\n class=\"mat-mdc-tab-ripple\"\n mat-ripple\n [matRippleTrigger]=\"tabNode\"\n [matRippleDisabled]=\"tab.disabled || disableRipple\"></div>\n\n <span class=\"mdc-tab__content\">\n <span class=\"mdc-tab__text-label\">\n <!-- If there is a label template, use it. -->\n <ng-template [ngIf]=\"tab.templateLabel\" [ngIfElse]=\"tabTextLabel\">\n <ng-template [cdkPortalOutlet]=\"tab.templateLabel\"></ng-template>\n </ng-template>\n\n <!-- If there is not a label template, fall back to the text label. -->\n <ng-template #tabTextLabel>{{tab.textLabel}}</ng-template>\n </span>\n </span>\n </div>\n</mat-tab-header>\n\n<div\n class=\"mat-mdc-tab-body-wrapper\"\n [class._mat-animation-noopable]=\"_animationMode === 'NoopAnimations'\"\n #tabBodyWrapper>\n <mat-tab-body role=\"tabpanel\"\n *ngFor=\"let tab of _tabs; let i = index\"\n [id]=\"_getTabContentId(i)\"\n [attr.tabindex]=\"(contentTabIndex != null && selectedIndex === i) ? contentTabIndex : null\"\n [attr.aria-labelledby]=\"_getTabLabelId(i)\"\n [class.mat-mdc-tab-body-active]=\"selectedIndex === i\"\n [ngClass]=\"tab.bodyClass\"\n [content]=\"tab.content!\"\n [position]=\"tab.position!\"\n [origin]=\"tab.origin\"\n [animationDuration]=\"animationDuration\"\n [preserveContent]=\"preserveContent\"\n (_onCentered)=\"_removeTabBodyWrapperHeight()\"\n (_onCentering)=\"_setTabBodyWrapperHeight($event)\">\n </mat-tab-body>\n</div>\n", styles: [".mdc-tab{min-width:90px;padding-right:24px;padding-left:24px;display:flex;flex:1 0 auto;justify-content:center;box-sizing:border-box;margin:0;padding-top:0;padding-bottom:0;border:none;outline:none;text-align:center;white-space:nowrap;cursor:pointer;-webkit-appearance:none;z-index:1}.mdc-tab::-moz-focus-inner{padding:0;border:0}.mdc-tab[hidden]{display:none}.mdc-tab--min-width{flex:0 1 auto}.mdc-tab__content{display:flex;align-items:center;justify-content:center;height:inherit;pointer-events:none}.mdc-tab__text-label{transition:150ms color linear;display:inline-block;line-height:1;z-index:2}.mdc-tab__icon{transition:150ms color linear;z-index:2}.mdc-tab--stacked .mdc-tab__content{flex-direction:column;align-items:center;justify-content:center}.mdc-tab--stacked .mdc-tab__text-label{padding-top:6px;padding-bottom:4px}.mdc-tab--active .mdc-tab__text-label,.mdc-tab--active .mdc-tab__icon{transition-delay:100ms}.mdc-tab:not(.mdc-tab--stacked) .mdc-tab__icon+.mdc-tab__text-label{padding-left:8px;padding-right:0}[dir=rtl] .mdc-tab:not(.mdc-tab--stacked) .mdc-tab__icon+.mdc-tab__text-label,.mdc-tab:not(.mdc-tab--stacked) .mdc-tab__icon+.mdc-tab__text-label[dir=rtl]{padding-left:0;padding-right:8px}.mdc-tab-indicator .mdc-tab-indicator__content--underline{border-top-width:2px}.mdc-tab-indicator .mdc-tab-indicator__content--icon{height:34px;font-size:34px}.mdc-tab-indicator{display:flex;position:absolute;top:0;left:0;justify-content:center;width:100%;height:100%;pointer-events:none;z-index:1}.mdc-tab-indicator__content{transform-origin:left;opacity:0}.mdc-tab-indicator__content--underline{align-self:flex-end;box-sizing:border-box;width:100%;border-top-style:solid}.mdc-tab-indicator__content--icon{align-self:center;margin:0 auto}.mdc-tab-indicator--active .mdc-tab-indicator__content{opacity:1}.mdc-tab-indicator .mdc-tab-indicator__content{transition:250ms transform cubic-bezier(0.4, 0, 0.2, 1)}.mdc-tab-indicator--no-transition .mdc-tab-indicator__content{transition:none}.mdc-tab-indicator--fade .mdc-tab-indicator__content{transition:150ms opacity linear}.mdc-tab-indicator--active.mdc-tab-indicator--fade .mdc-tab-indicator__content{transition-delay:100ms}.mat-mdc-tab-ripple{position:absolute;top:0;left:0;bottom:0;right:0;pointer-events:none}.mat-mdc-tab.mdc-tab{height:48px;flex-grow:0}.mat-mdc-tab .mdc-tab__ripple::before{content:\"\";display:block;position:absolute;top:0;left:0;right:0;bottom:0;opacity:0;pointer-events:none}.mat-mdc-tab .mdc-tab__content{position:relative}.mat-mdc-tab:hover .mdc-tab__ripple::before{opacity:.04}.mat-mdc-tab.cdk-program-focused .mdc-tab__ripple::before,.mat-mdc-tab.cdk-keyboard-focused .mdc-tab__ripple::before{opacity:.12}.mat-mdc-tab .mat-ripple-element{opacity:.12}.mat-mdc-tab-group.mat-mdc-tab-group-stretch-tabs>.mat-mdc-tab-header .mat-mdc-tab{flex-grow:1}.mat-mdc-tab-disabled{opacity:.4;pointer-events:none}.mat-mdc-tab-group{display:flex;flex-direction:column;max-width:100%}.mat-mdc-tab-group.mat-mdc-tab-group-inverted-header{flex-direction:column-reverse}.mat-mdc-tab-group.mat-mdc-tab-group-inverted-header .mdc-tab-indicator__content--underline{align-self:flex-start}.mat-mdc-tab-body-wrapper{position:relative;overflow:hidden;display:flex;transition:height 500ms cubic-bezier(0.35, 0, 0.25, 1)}.mat-mdc-tab-body-wrapper._mat-animation-noopable{transition:none !important;animation:none !important}"] }]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.ChangeDetectorRef }, { type: undefined, decorators: [{
type: Inject,
args: [MAT_TABS_CONFIG]
}, {
type: Optional
}] }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [ANIMATION_MODULE_TYPE]
}] }]; }, propDecorators: { _allTabs: [{
type: ContentChildren,
args: [MatTab, { descendants: true }]
}], _tabBodyWrapper: [{
type: ViewChild,
args: ['tabBodyWrapper']
}], _tabHeader: [{
type: ViewChild,
args: ['tabHeader']
}], fitInkBarToContent: [{
type: Input
}], stretchTabs: [{
type: Input,
args: ['mat-stretch-tabs']
}] } });
/** A simple change event emitted on focus or selection changes. */
export class MatTabChangeEvent {
}
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