@angular/material
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Angular Material
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JavaScript
import { FocusTrapFactory, FocusMonitor, InteractivityChecker } from '@angular/cdk/a11y';
import { Directionality } from '@angular/cdk/bidi';
import { coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';
import { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';
import { Platform } from '@angular/cdk/platform';
import { CdkScrollable, ScrollDispatcher, ViewportRuler, CdkScrollableModule } from '@angular/cdk/scrolling';
import { DOCUMENT } from '@angular/common';
import * as i0 from '@angular/core';
import { InjectionToken, inject, ChangeDetectorRef, ElementRef, NgZone, Component, ChangeDetectionStrategy, ViewEncapsulation, Renderer2, EventEmitter, Injector, afterNextRender, Input, Output, ViewChild, ANIMATION_MODULE_TYPE, QueryList, ContentChildren, ContentChild, NgModule } from '@angular/core';
import { Subject, fromEvent, merge } from 'rxjs';
import { filter, map, mapTo, takeUntil, take, startWith, debounceTime } from 'rxjs/operators';
import { M as MatCommonModule } from './common-module-5a9c16bb.mjs';
/**
* Throws an exception when two MatDrawer are matching the same position.
* @docs-private
*/
function throwMatDuplicatedDrawerError(position) {
throw Error(`A drawer was already declared for 'position="${position}"'`);
}
/** Configures whether drawers should use auto sizing by default. */
const MAT_DRAWER_DEFAULT_AUTOSIZE = new InjectionToken('MAT_DRAWER_DEFAULT_AUTOSIZE', {
providedIn: 'root',
factory: MAT_DRAWER_DEFAULT_AUTOSIZE_FACTORY,
});
/**
* Used to provide a drawer container to a drawer while avoiding circular references.
* @docs-private
*/
const MAT_DRAWER_CONTAINER = new InjectionToken('MAT_DRAWER_CONTAINER');
/**
* @docs-private
* @deprecated No longer used, will be removed.
* @breaking-change 21.0.0
*/
function MAT_DRAWER_DEFAULT_AUTOSIZE_FACTORY() {
return false;
}
class MatDrawerContent extends CdkScrollable {
_platform = inject(Platform);
_changeDetectorRef = inject(ChangeDetectorRef);
_container = inject(MatDrawerContainer);
constructor() {
const elementRef = inject(ElementRef);
const scrollDispatcher = inject(ScrollDispatcher);
const ngZone = inject(NgZone);
super(elementRef, scrollDispatcher, ngZone);
}
ngAfterContentInit() {
this._container._contentMarginChanges.subscribe(() => {
this._changeDetectorRef.markForCheck();
});
}
/** Determines whether the content element should be hidden from the user. */
_shouldBeHidden() {
// In some modes the content is pushed based on the width of the opened sidenavs, however on
// the server we can't measure the sidenav so the margin is always zero. This can cause the
// content to jump around when it's rendered on the server and hydrated on the client. We
// avoid it by hiding the content on the initial render and then showing it once the sidenav
// has been measured on the client.
if (this._platform.isBrowser) {
return false;
}
const { start, end } = this._container;
return ((start != null && start.mode !== 'over' && start.opened) ||
(end != null && end.mode !== 'over' && end.opened));
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatDrawerContent, deps: [], target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "19.2.0", type: MatDrawerContent, isStandalone: true, selector: "mat-drawer-content", host: { properties: { "style.margin-left.px": "_container._contentMargins.left", "style.margin-right.px": "_container._contentMargins.right", "class.mat-drawer-content-hidden": "_shouldBeHidden()" }, classAttribute: "mat-drawer-content" }, providers: [
{
provide: CdkScrollable,
useExisting: MatDrawerContent,
},
], usesInheritance: true, ngImport: i0, template: '<ng-content></ng-content>', isInline: true, changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatDrawerContent, decorators: [{
type: Component,
args: [{
selector: 'mat-drawer-content',
template: '<ng-content></ng-content>',
host: {
'class': 'mat-drawer-content',
'[style.margin-left.px]': '_container._contentMargins.left',
'[style.margin-right.px]': '_container._contentMargins.right',
'[class.mat-drawer-content-hidden]': '_shouldBeHidden()',
},
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
providers: [
{
provide: CdkScrollable,
useExisting: MatDrawerContent,
},
],
}]
}], ctorParameters: () => [] });
/**
* This component corresponds to a drawer that can be opened on the drawer container.
*/
class MatDrawer {
_elementRef = inject(ElementRef);
_focusTrapFactory = inject(FocusTrapFactory);
_focusMonitor = inject(FocusMonitor);
_platform = inject(Platform);
_ngZone = inject(NgZone);
_renderer = inject(Renderer2);
_interactivityChecker = inject(InteractivityChecker);
_doc = inject(DOCUMENT, { optional: true });
_container = inject(MAT_DRAWER_CONTAINER, { optional: true });
_focusTrap = null;
_elementFocusedBeforeDrawerWasOpened = null;
_eventCleanups;
/** Whether the view of the component has been attached. */
_isAttached;
/** Anchor node used to restore the drawer to its initial position. */
_anchor;
/** The side that the drawer is attached to. */
get position() {
return this._position;
}
set position(value) {
// Make sure we have a valid value.
value = value === 'end' ? 'end' : 'start';
if (value !== this._position) {
// Static inputs in Ivy are set before the element is in the DOM.
if (this._isAttached) {
this._updatePositionInParent(value);
}
this._position = value;
this.onPositionChanged.emit();
}
}
_position = 'start';
/** Mode of the drawer; one of 'over', 'push' or 'side'. */
get mode() {
return this._mode;
}
set mode(value) {
this._mode = value;
this._updateFocusTrapState();
this._modeChanged.next();
}
_mode = 'over';
/** Whether the drawer can be closed with the escape key or by clicking on the backdrop. */
get disableClose() {
return this._disableClose;
}
set disableClose(value) {
this._disableClose = coerceBooleanProperty(value);
}
_disableClose = false;
/**
* Whether the drawer should focus the first focusable element automatically when opened.
* Defaults to false in when `mode` is set to `side`, otherwise defaults to `true`. If explicitly
* enabled, focus will be moved into the sidenav in `side` mode as well.
* @breaking-change 14.0.0 Remove boolean option from autoFocus. Use string or AutoFocusTarget
* instead.
*/
get autoFocus() {
const value = this._autoFocus;
// Note that usually we don't allow autoFocus to be set to `first-tabbable` in `side` mode,
// because we don't know how the sidenav is being used, but in some cases it still makes
// sense to do it. The consumer can explicitly set `autoFocus`.
if (value == null) {
if (this.mode === 'side') {
return 'dialog';
}
else {
return 'first-tabbable';
}
}
return value;
}
set autoFocus(value) {
if (value === 'true' || value === 'false' || value == null) {
value = coerceBooleanProperty(value);
}
this._autoFocus = value;
}
_autoFocus;
/**
* Whether the drawer is opened. We overload this because we trigger an event when it
* starts or end.
*/
get opened() {
return this._opened;
}
set opened(value) {
this.toggle(coerceBooleanProperty(value));
}
_opened = false;
/** How the sidenav was opened (keypress, mouse click etc.) */
_openedVia;
/** Emits whenever the drawer has started animating. */
_animationStarted = new Subject();
/** Emits whenever the drawer is done animating. */
_animationEnd = new Subject();
/** Event emitted when the drawer open state is changed. */
openedChange =
// Note this has to be async in order to avoid some issues with two-bindings (see #8872).
new EventEmitter(/* isAsync */ true);
/** Event emitted when the drawer has been opened. */
_openedStream = this.openedChange.pipe(filter(o => o), map(() => { }));
/** Event emitted when the drawer has started opening. */
openedStart = this._animationStarted.pipe(filter(() => this.opened), mapTo(undefined));
/** Event emitted when the drawer has been closed. */
_closedStream = this.openedChange.pipe(filter(o => !o), map(() => { }));
/** Event emitted when the drawer has started closing. */
closedStart = this._animationStarted.pipe(filter(() => !this.opened), mapTo(undefined));
/** Emits when the component is destroyed. */
_destroyed = new Subject();
/** Event emitted when the drawer's position changes. */
// tslint:disable-next-line:no-output-on-prefix
onPositionChanged = new EventEmitter();
/** Reference to the inner element that contains all the content. */
_content;
/**
* An observable that emits when the drawer mode changes. This is used by the drawer container to
* to know when to when the mode changes so it can adapt the margins on the content.
*/
_modeChanged = new Subject();
_injector = inject(Injector);
_changeDetectorRef = inject(ChangeDetectorRef);
constructor() {
this.openedChange.pipe(takeUntil(this._destroyed)).subscribe((opened) => {
if (opened) {
if (this._doc) {
this._elementFocusedBeforeDrawerWasOpened = this._doc.activeElement;
}
this._takeFocus();
}
else if (this._isFocusWithinDrawer()) {
this._restoreFocus(this._openedVia || 'program');
}
});
/**
* Listen to `keydown` events outside the zone so that change detection is not run every
* time a key is pressed. Instead we re-enter the zone only if the `ESC` key is pressed
* and we don't have close disabled.
*/
this._ngZone.runOutsideAngular(() => {
const element = this._elementRef.nativeElement;
fromEvent(element, 'keydown')
.pipe(filter(event => {
return event.keyCode === ESCAPE && !this.disableClose && !hasModifierKey(event);
}), takeUntil(this._destroyed))
.subscribe(event => this._ngZone.run(() => {
this.close();
event.stopPropagation();
event.preventDefault();
}));
this._eventCleanups = [
this._renderer.listen(element, 'transitionrun', this._handleTransitionEvent),
this._renderer.listen(element, 'transitionend', this._handleTransitionEvent),
this._renderer.listen(element, 'transitioncancel', this._handleTransitionEvent),
];
});
this._animationEnd.subscribe(() => {
this.openedChange.emit(this._opened);
});
}
/**
* Focuses the provided element. If the element is not focusable, it will add a tabIndex
* attribute to forcefully focus it. The attribute is removed after focus is moved.
* @param element The element to focus.
*/
_forceFocus(element, options) {
if (!this._interactivityChecker.isFocusable(element)) {
element.tabIndex = -1;
// The tabindex attribute should be removed to avoid navigating to that element again
this._ngZone.runOutsideAngular(() => {
const callback = () => {
cleanupBlur();
cleanupMousedown();
element.removeAttribute('tabindex');
};
const cleanupBlur = this._renderer.listen(element, 'blur', callback);
const cleanupMousedown = this._renderer.listen(element, 'mousedown', callback);
});
}
element.focus(options);
}
/**
* Focuses the first element that matches the given selector within the focus trap.
* @param selector The CSS selector for the element to set focus to.
*/
_focusByCssSelector(selector, options) {
let elementToFocus = this._elementRef.nativeElement.querySelector(selector);
if (elementToFocus) {
this._forceFocus(elementToFocus, options);
}
}
/**
* Moves focus into the drawer. Note that this works even if
* the focus trap is disabled in `side` mode.
*/
_takeFocus() {
if (!this._focusTrap) {
return;
}
const element = this._elementRef.nativeElement;
// When autoFocus is not on the sidenav, if the element cannot be focused or does
// not exist, focus the sidenav itself so the keyboard navigation still works.
// We need to check that `focus` is a function due to Universal.
switch (this.autoFocus) {
case false:
case 'dialog':
return;
case true:
case 'first-tabbable':
afterNextRender(() => {
const hasMovedFocus = this._focusTrap.focusInitialElement();
if (!hasMovedFocus && typeof element.focus === 'function') {
element.focus();
}
}, { injector: this._injector });
break;
case 'first-heading':
this._focusByCssSelector('h1, h2, h3, h4, h5, h6, [role="heading"]');
break;
default:
this._focusByCssSelector(this.autoFocus);
break;
}
}
/**
* Restores focus to the element that was originally focused when the drawer opened.
* If no element was focused at that time, the focus will be restored to the drawer.
*/
_restoreFocus(focusOrigin) {
if (this.autoFocus === 'dialog') {
return;
}
if (this._elementFocusedBeforeDrawerWasOpened) {
this._focusMonitor.focusVia(this._elementFocusedBeforeDrawerWasOpened, focusOrigin);
}
else {
this._elementRef.nativeElement.blur();
}
this._elementFocusedBeforeDrawerWasOpened = null;
}
/** Whether focus is currently within the drawer. */
_isFocusWithinDrawer() {
const activeEl = this._doc.activeElement;
return !!activeEl && this._elementRef.nativeElement.contains(activeEl);
}
ngAfterViewInit() {
this._isAttached = true;
// Only update the DOM position when the sidenav is positioned at
// the end since we project the sidenav before the content by default.
if (this._position === 'end') {
this._updatePositionInParent('end');
}
// Needs to happen after the position is updated
// so the focus trap anchors are in the right place.
if (this._platform.isBrowser) {
this._focusTrap = this._focusTrapFactory.create(this._elementRef.nativeElement);
this._updateFocusTrapState();
}
}
ngOnDestroy() {
this._eventCleanups.forEach(cleanup => cleanup());
this._focusTrap?.destroy();
this._anchor?.remove();
this._anchor = null;
this._animationStarted.complete();
this._animationEnd.complete();
this._modeChanged.complete();
this._destroyed.next();
this._destroyed.complete();
}
/**
* Open the drawer.
* @param openedVia Whether the drawer was opened by a key press, mouse click or programmatically.
* Used for focus management after the sidenav is closed.
*/
open(openedVia) {
return this.toggle(true, openedVia);
}
/** Close the drawer. */
close() {
return this.toggle(false);
}
/** Closes the drawer with context that the backdrop was clicked. */
_closeViaBackdropClick() {
// If the drawer is closed upon a backdrop click, we always want to restore focus. We
// don't need to check whether focus is currently in the drawer, as clicking on the
// backdrop causes blurs the active element.
return this._setOpen(/* isOpen */ false, /* restoreFocus */ true, 'mouse');
}
/**
* Toggle this drawer.
* @param isOpen Whether the drawer should be open.
* @param openedVia Whether the drawer was opened by a key press, mouse click or programmatically.
* Used for focus management after the sidenav is closed.
*/
toggle(isOpen = !this.opened, openedVia) {
// If the focus is currently inside the drawer content and we are closing the drawer,
// restore the focus to the initially focused element (when the drawer opened).
if (isOpen && openedVia) {
this._openedVia = openedVia;
}
const result = this._setOpen(isOpen,
/* restoreFocus */ !isOpen && this._isFocusWithinDrawer(), this._openedVia || 'program');
if (!isOpen) {
this._openedVia = null;
}
return result;
}
/**
* Toggles the opened state of the drawer.
* @param isOpen Whether the drawer should open or close.
* @param restoreFocus Whether focus should be restored on close.
* @param focusOrigin Origin to use when restoring focus.
*/
_setOpen(isOpen, restoreFocus, focusOrigin) {
if (isOpen === this._opened) {
return Promise.resolve(isOpen ? 'open' : 'close');
}
this._opened = isOpen;
if (this._container?._transitionsEnabled) {
// Note: it's importatnt to set this as early as possible,
// otherwise the animation can look glitchy in some cases.
this._setIsAnimating(true);
}
else {
// Simulate the animation events if animations are disabled.
setTimeout(() => {
this._animationStarted.next();
this._animationEnd.next();
});
}
this._elementRef.nativeElement.classList.toggle('mat-drawer-opened', isOpen);
if (!isOpen && restoreFocus) {
this._restoreFocus(focusOrigin);
}
// Needed to ensure that the closing sequence fires off correctly.
this._changeDetectorRef.markForCheck();
this._updateFocusTrapState();
return new Promise(resolve => {
this.openedChange.pipe(take(1)).subscribe(open => resolve(open ? 'open' : 'close'));
});
}
/** Toggles whether the drawer is currently animating. */
_setIsAnimating(isAnimating) {
this._elementRef.nativeElement.classList.toggle('mat-drawer-animating', isAnimating);
}
_getWidth() {
return this._elementRef.nativeElement.offsetWidth || 0;
}
/** Updates the enabled state of the focus trap. */
_updateFocusTrapState() {
if (this._focusTrap) {
// Trap focus only if the backdrop is enabled. Otherwise, allow end user to interact with the
// sidenav content.
this._focusTrap.enabled = !!this._container?.hasBackdrop && this.opened;
}
}
/**
* Updates the position of the drawer in the DOM. We need to move the element around ourselves
* when it's in the `end` position so that it comes after the content and the visual order
* matches the tab order. We also need to be able to move it back to `start` if the sidenav
* started off as `end` and was changed to `start`.
*/
_updatePositionInParent(newPosition) {
// Don't move the DOM node around on the server, because it can throw off hydration.
if (!this._platform.isBrowser) {
return;
}
const element = this._elementRef.nativeElement;
const parent = element.parentNode;
if (newPosition === 'end') {
if (!this._anchor) {
this._anchor = this._doc.createComment('mat-drawer-anchor');
parent.insertBefore(this._anchor, element);
}
parent.appendChild(element);
}
else if (this._anchor) {
this._anchor.parentNode.insertBefore(element, this._anchor);
}
}
/** Event handler for animation events. */
_handleTransitionEvent = (event) => {
const element = this._elementRef.nativeElement;
if (event.target === element) {
this._ngZone.run(() => {
if (event.type === 'transitionrun') {
this._animationStarted.next(event);
}
else {
// Don't toggle the animating state on `transitioncancel` since another animation should
// start afterwards. This prevents the drawer from blinking if an animation is interrupted.
if (event.type === 'transitionend') {
this._setIsAnimating(false);
}
this._animationEnd.next(event);
}
});
}
};
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatDrawer, deps: [], target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "19.2.0", type: MatDrawer, isStandalone: true, selector: "mat-drawer", inputs: { position: "position", mode: "mode", disableClose: "disableClose", autoFocus: "autoFocus", opened: "opened" }, outputs: { openedChange: "openedChange", _openedStream: "opened", openedStart: "openedStart", _closedStream: "closed", closedStart: "closedStart", onPositionChanged: "positionChanged" }, host: { attributes: { "tabIndex": "-1" }, properties: { "attr.align": "null", "class.mat-drawer-end": "position === \"end\"", "class.mat-drawer-over": "mode === \"over\"", "class.mat-drawer-push": "mode === \"push\"", "class.mat-drawer-side": "mode === \"side\"", "style.visibility": "(!_container && !opened) ? \"hidden\" : null" }, classAttribute: "mat-drawer" }, viewQueries: [{ propertyName: "_content", first: true, predicate: ["content"], descendants: true }], exportAs: ["matDrawer"], ngImport: i0, template: "<div class=\"mat-drawer-inner-container\" cdkScrollable #content>\r\n <ng-content></ng-content>\r\n</div>\r\n", dependencies: [{ kind: "directive", type: CdkScrollable, selector: "[cdk-scrollable], [cdkScrollable]" }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatDrawer, decorators: [{
type: Component,
args: [{ selector: 'mat-drawer', exportAs: 'matDrawer', host: {
'class': 'mat-drawer',
// must prevent the browser from aligning text based on value
'[attr.align]': 'null',
'[class.mat-drawer-end]': 'position === "end"',
'[class.mat-drawer-over]': 'mode === "over"',
'[class.mat-drawer-push]': 'mode === "push"',
'[class.mat-drawer-side]': 'mode === "side"',
// The styles that render the sidenav off-screen come from the drawer container. Prior to #30235
// this was also done by the animations module which some internal tests seem to depend on.
// Simulate it by toggling the `hidden` attribute instead.
'[style.visibility]': '(!_container && !opened) ? "hidden" : null',
'tabIndex': '-1',
}, changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, imports: [CdkScrollable], template: "<div class=\"mat-drawer-inner-container\" cdkScrollable #content>\r\n <ng-content></ng-content>\r\n</div>\r\n" }]
}], ctorParameters: () => [], propDecorators: { position: [{
type: Input
}], mode: [{
type: Input
}], disableClose: [{
type: Input
}], autoFocus: [{
type: Input
}], opened: [{
type: Input
}], openedChange: [{
type: Output
}], _openedStream: [{
type: Output,
args: ['opened']
}], openedStart: [{
type: Output
}], _closedStream: [{
type: Output,
args: ['closed']
}], closedStart: [{
type: Output
}], onPositionChanged: [{
type: Output,
args: ['positionChanged']
}], _content: [{
type: ViewChild,
args: ['content']
}] } });
/**
* `<mat-drawer-container>` component.
*
* This is the parent component to one or two `<mat-drawer>`s that validates the state internally
* and coordinates the backdrop and content styling.
*/
class MatDrawerContainer {
_dir = inject(Directionality, { optional: true });
_element = inject(ElementRef);
_ngZone = inject(NgZone);
_changeDetectorRef = inject(ChangeDetectorRef);
_animationMode = inject(ANIMATION_MODULE_TYPE, { optional: true });
_transitionsEnabled = false;
/** All drawers in the container. Includes drawers from inside nested containers. */
_allDrawers;
/** Drawers that belong to this container. */
_drawers = new QueryList();
_content;
_userContent;
/** The drawer child with the `start` position. */
get start() {
return this._start;
}
/** The drawer child with the `end` position. */
get end() {
return this._end;
}
/**
* Whether to automatically resize the container whenever
* the size of any of its drawers changes.
*
* **Use at your own risk!** Enabling this option can cause layout thrashing by measuring
* the drawers on every change detection cycle. Can be configured globally via the
* `MAT_DRAWER_DEFAULT_AUTOSIZE` token.
*/
get autosize() {
return this._autosize;
}
set autosize(value) {
this._autosize = coerceBooleanProperty(value);
}
_autosize = inject(MAT_DRAWER_DEFAULT_AUTOSIZE);
/**
* Whether the drawer container should have a backdrop while one of the sidenavs is open.
* If explicitly set to `true`, the backdrop will be enabled for drawers in the `side`
* mode as well.
*/
get hasBackdrop() {
return this._drawerHasBackdrop(this._start) || this._drawerHasBackdrop(this._end);
}
set hasBackdrop(value) {
this._backdropOverride = value == null ? null : coerceBooleanProperty(value);
}
_backdropOverride;
/** Event emitted when the drawer backdrop is clicked. */
backdropClick = new EventEmitter();
/** The drawer at the start/end position, independent of direction. */
_start;
_end;
/**
* The drawer at the left/right. When direction changes, these will change as well.
* They're used as aliases for the above to set the left/right style properly.
* In LTR, _left == _start and _right == _end.
* In RTL, _left == _end and _right == _start.
*/
_left;
_right;
/** Emits when the component is destroyed. */
_destroyed = new Subject();
/** Emits on every ngDoCheck. Used for debouncing reflows. */
_doCheckSubject = new Subject();
/**
* Margins to be applied to the content. These are used to push / shrink the drawer content when a
* drawer is open. We use margin rather than transform even for push mode because transform breaks
* fixed position elements inside of the transformed element.
*/
_contentMargins = { left: null, right: null };
_contentMarginChanges = new Subject();
/** Reference to the CdkScrollable instance that wraps the scrollable content. */
get scrollable() {
return this._userContent || this._content;
}
_injector = inject(Injector);
constructor() {
const platform = inject(Platform);
const viewportRuler = inject(ViewportRuler);
// If a `Dir` directive exists up the tree, listen direction changes
// and update the left/right properties to point to the proper start/end.
this._dir?.change.pipe(takeUntil(this._destroyed)).subscribe(() => {
this._validateDrawers();
this.updateContentMargins();
});
// Since the minimum width of the sidenav depends on the viewport width,
// we need to recompute the margins if the viewport changes.
viewportRuler
.change()
.pipe(takeUntil(this._destroyed))
.subscribe(() => this.updateContentMargins());
if (this._animationMode !== 'NoopAnimations' && platform.isBrowser) {
this._ngZone.runOutsideAngular(() => {
// Enable the animations after a delay in order to skip
// the initial transition if a drawer is open by default.
setTimeout(() => {
this._element.nativeElement.classList.add('mat-drawer-transition');
this._transitionsEnabled = true;
}, 200);
});
}
}
ngAfterContentInit() {
this._allDrawers.changes
.pipe(startWith(this._allDrawers), takeUntil(this._destroyed))
.subscribe((drawer) => {
this._drawers.reset(drawer.filter(item => !item._container || item._container === this));
this._drawers.notifyOnChanges();
});
this._drawers.changes.pipe(startWith(null)).subscribe(() => {
this._validateDrawers();
this._drawers.forEach((drawer) => {
this._watchDrawerToggle(drawer);
this._watchDrawerPosition(drawer);
this._watchDrawerMode(drawer);
});
if (!this._drawers.length ||
this._isDrawerOpen(this._start) ||
this._isDrawerOpen(this._end)) {
this.updateContentMargins();
}
this._changeDetectorRef.markForCheck();
});
// Avoid hitting the NgZone through the debounce timeout.
this._ngZone.runOutsideAngular(() => {
this._doCheckSubject
.pipe(debounceTime(10), // Arbitrary debounce time, less than a frame at 60fps
takeUntil(this._destroyed))
.subscribe(() => this.updateContentMargins());
});
}
ngOnDestroy() {
this._contentMarginChanges.complete();
this._doCheckSubject.complete();
this._drawers.destroy();
this._destroyed.next();
this._destroyed.complete();
}
/** Calls `open` of both start and end drawers */
open() {
this._drawers.forEach(drawer => drawer.open());
}
/** Calls `close` of both start and end drawers */
close() {
this._drawers.forEach(drawer => drawer.close());
}
/**
* Recalculates and updates the inline styles for the content. Note that this should be used
* sparingly, because it causes a reflow.
*/
updateContentMargins() {
// 1. For drawers in `over` mode, they don't affect the content.
// 2. For drawers in `side` mode they should shrink the content. We do this by adding to the
// left margin (for left drawer) or right margin (for right the drawer).
// 3. For drawers in `push` mode the should shift the content without resizing it. We do this by
// adding to the left or right margin and simultaneously subtracting the same amount of
// margin from the other side.
let left = 0;
let right = 0;
if (this._left && this._left.opened) {
if (this._left.mode == 'side') {
left += this._left._getWidth();
}
else if (this._left.mode == 'push') {
const width = this._left._getWidth();
left += width;
right -= width;
}
}
if (this._right && this._right.opened) {
if (this._right.mode == 'side') {
right += this._right._getWidth();
}
else if (this._right.mode == 'push') {
const width = this._right._getWidth();
right += width;
left -= width;
}
}
// If either `right` or `left` is zero, don't set a style to the element. This
// allows users to specify a custom size via CSS class in SSR scenarios where the
// measured widths will always be zero. Note that we reset to `null` here, rather
// than below, in order to ensure that the types in the `if` below are consistent.
left = left || null;
right = right || null;
if (left !== this._contentMargins.left || right !== this._contentMargins.right) {
this._contentMargins = { left, right };
// Pull back into the NgZone since in some cases we could be outside. We need to be careful
// to do it only when something changed, otherwise we can end up hitting the zone too often.
this._ngZone.run(() => this._contentMarginChanges.next(this._contentMargins));
}
}
ngDoCheck() {
// If users opted into autosizing, do a check every change detection cycle.
if (this._autosize && this._isPushed()) {
// Run outside the NgZone, otherwise the debouncer will throw us into an infinite loop.
this._ngZone.runOutsideAngular(() => this._doCheckSubject.next());
}
}
/**
* Subscribes to drawer events in order to set a class on the main container element when the
* drawer is open and the backdrop is visible. This ensures any overflow on the container element
* is properly hidden.
*/
_watchDrawerToggle(drawer) {
drawer._animationStarted.pipe(takeUntil(this._drawers.changes)).subscribe(() => {
this.updateContentMargins();
this._changeDetectorRef.markForCheck();
});
if (drawer.mode !== 'side') {
drawer.openedChange
.pipe(takeUntil(this._drawers.changes))
.subscribe(() => this._setContainerClass(drawer.opened));
}
}
/**
* Subscribes to drawer onPositionChanged event in order to
* re-validate drawers when the position changes.
*/
_watchDrawerPosition(drawer) {
// NOTE: We need to wait for the microtask queue to be empty before validating,
// since both drawers may be swapping positions at the same time.
drawer.onPositionChanged.pipe(takeUntil(this._drawers.changes)).subscribe(() => {
afterNextRender({ read: () => this._validateDrawers() }, { injector: this._injector });
});
}
/** Subscribes to changes in drawer mode so we can run change detection. */
_watchDrawerMode(drawer) {
drawer._modeChanged
.pipe(takeUntil(merge(this._drawers.changes, this._destroyed)))
.subscribe(() => {
this.updateContentMargins();
this._changeDetectorRef.markForCheck();
});
}
/** Toggles the 'mat-drawer-opened' class on the main 'mat-drawer-container' element. */
_setContainerClass(isAdd) {
const classList = this._element.nativeElement.classList;
const className = 'mat-drawer-container-has-open';
if (isAdd) {
classList.add(className);
}
else {
classList.remove(className);
}
}
/** Validate the state of the drawer children components. */
_validateDrawers() {
this._start = this._end = null;
// Ensure that we have at most one start and one end drawer.
this._drawers.forEach(drawer => {
if (drawer.position == 'end') {
if (this._end != null && (typeof ngDevMode === 'undefined' || ngDevMode)) {
throwMatDuplicatedDrawerError('end');
}
this._end = drawer;
}
else {
if (this._start != null && (typeof ngDevMode === 'undefined' || ngDevMode)) {
throwMatDuplicatedDrawerError('start');
}
this._start = drawer;
}
});
this._right = this._left = null;
// Detect if we're LTR or RTL.
if (this._dir && this._dir.value === 'rtl') {
this._left = this._end;
this._right = this._start;
}
else {
this._left = this._start;
this._right = this._end;
}
}
/** Whether the container is being pushed to the side by one of the drawers. */
_isPushed() {
return ((this._isDrawerOpen(this._start) && this._start.mode != 'over') ||
(this._isDrawerOpen(this._end) && this._end.mode != 'over'));
}
_onBackdropClicked() {
this.backdropClick.emit();
this._closeModalDrawersViaBackdrop();
}
_closeModalDrawersViaBackdrop() {
// Close all open drawers where closing is not disabled and the mode is not `side`.
[this._start, this._end]
.filter(drawer => drawer && !drawer.disableClose && this._drawerHasBackdrop(drawer))
.forEach(drawer => drawer._closeViaBackdropClick());
}
_isShowingBackdrop() {
return ((this._isDrawerOpen(this._start) && this._drawerHasBackdrop(this._start)) ||
(this._isDrawerOpen(this._end) && this._drawerHasBackdrop(this._end)));
}
_isDrawerOpen(drawer) {
return drawer != null && drawer.opened;
}
// Whether argument drawer should have a backdrop when it opens
_drawerHasBackdrop(drawer) {
if (this._backdropOverride == null) {
return !!drawer && drawer.mode !== 'side';
}
return this._backdropOverride;
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatDrawerContainer, deps: [], target: i0.ɵɵFactoryTarget.Component });
static ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "19.2.0", type: MatDrawerContainer, isStandalone: true, selector: "mat-drawer-container", inputs: { autosize: "autosize", hasBackdrop: "hasBackdrop" }, outputs: { backdropClick: "backdropClick" }, host: { properties: { "class.mat-drawer-container-explicit-backdrop": "_backdropOverride" }, classAttribute: "mat-drawer-container" }, providers: [
{
provide: MAT_DRAWER_CONTAINER,
useExisting: MatDrawerContainer,
},
], queries: [{ propertyName: "_content", first: true, predicate: MatDrawerContent, descendants: true }, { propertyName: "_allDrawers", predicate: MatDrawer, descendants: true }], viewQueries: [{ propertyName: "_userContent", first: true, predicate: MatDrawerContent, descendants: true }], exportAs: ["matDrawerContainer"], ngImport: i0, template: "@if (hasBackdrop) {\n <div class=\"mat-drawer-backdrop\" (click)=\"_onBackdropClicked()\"\n [class.mat-drawer-shown]=\"_isShowingBackdrop()\"></div>\n}\n\n<ng-content select=\"mat-drawer\"></ng-content>\n\n<ng-content select=\"mat-drawer-content\">\n</ng-content>\n\n@if (!_content) {\n <mat-drawer-content>\n <ng-content></ng-content>\n </mat-drawer-content>\n}\n", styles: [".mat-drawer-container{position:relative;z-index:1;color:var(--mat-sidenav-content-text-color, var(--mat-sys-on-background));background-color:var(--mat-sidenav-content-background-color, var(--mat-sys-background));box-sizing:border-box;display:block;overflow:hidden}.mat-drawer-container[fullscreen]{top:0;left:0;right:0;bottom:0;position:absolute}.mat-drawer-container[fullscreen].mat-drawer-container-has-open{overflow:hidden}.mat-drawer-container.mat-drawer-container-explicit-backdrop .mat-drawer-side{z-index:3}.mat-drawer-container.ng-animate-disabled .mat-drawer-backdrop,.mat-drawer-container.ng-animate-disabled .mat-drawer-content,.ng-animate-disabled .mat-drawer-container .mat-drawer-backdrop,.ng-animate-disabled .mat-drawer-container .mat-drawer-content{transition:none}.mat-drawer-backdrop{top:0;left:0;right:0;bottom:0;position:absolute;display:block;z-index:3;visibility:hidden}.mat-drawer-backdrop.mat-drawer-shown{visibility:visible;background-color:var(--mat-sidenav-scrim-color, color-mix(in srgb, var(--mat-sys-neutral-variant20) 40%, transparent))}.mat-drawer-transition .mat-drawer-backdrop{transition-duration:400ms;transition-timing-function:cubic-bezier(0.25, 0.8, 0.25, 1);transition-property:background-color,visibility}@media(forced-colors: active){.mat-drawer-backdrop{opacity:.5}}.mat-drawer-content{position:relative;z-index:1;display:block;height:100%;overflow:auto}.mat-drawer-content.mat-drawer-content-hidden{opacity:0}.mat-drawer-transition .mat-drawer-content{transition-duration:400ms;transition-timing-function:cubic-bezier(0.25, 0.8, 0.25, 1);transition-property:transform,margin-left,margin-right}.mat-drawer{position:relative;z-index:4;color:var(--mat-sidenav-container-text-color, var(--mat-sys-on-surface-variant));box-shadow:var(--mat-sidenav-container-elevation-shadow, none);background-color:var(--mat-sidenav-container-background-color, var(--mat-sys-surface));border-top-right-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-bottom-right-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));width:var(--mat-sidenav-container-width, 360px);display:block;position:absolute;top:0;bottom:0;z-index:3;outline:0;box-sizing:border-box;overflow-y:auto;transform:translate3d(-100%, 0, 0)}@media(forced-colors: active){.mat-drawer,[dir=rtl] .mat-drawer.mat-drawer-end{border-right:solid 1px currentColor}}@media(forced-colors: active){[dir=rtl] .mat-drawer,.mat-drawer.mat-drawer-end{border-left:solid 1px currentColor;border-right:none}}.mat-drawer.mat-drawer-side{z-index:2}.mat-drawer.mat-drawer-end{right:0;transform:translate3d(100%, 0, 0);border-top-left-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-bottom-left-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-top-right-radius:0;border-bottom-right-radius:0}[dir=rtl] .mat-drawer{border-top-left-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-bottom-left-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-top-right-radius:0;border-bottom-right-radius:0;transform:translate3d(100%, 0, 0)}[dir=rtl] .mat-drawer.mat-drawer-end{border-top-right-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-bottom-right-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-top-left-radius:0;border-bottom-left-radius:0;left:0;right:auto;transform:translate3d(-100%, 0, 0)}.mat-drawer-transition .mat-drawer{transition:transform 400ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-drawer:not(.mat-drawer-opened):not(.mat-drawer-animating){visibility:hidden;box-shadow:none}.mat-drawer:not(.mat-drawer-opened):not(.mat-drawer-animating) .mat-drawer-inner-container{display:none}.mat-drawer.mat-drawer-opened.mat-drawer-opened{transform:none}.mat-drawer-side{box-shadow:none;border-right-color:var(--mat-sidenav-container-divider-color, transparent);border-right-width:1px;border-right-style:solid}.mat-drawer-side.mat-drawer-end{border-left-color:var(--mat-sidenav-container-divider-color, transparent);border-left-width:1px;border-left-style:solid;border-right:none}[dir=rtl] .mat-drawer-side{border-left-color:var(--mat-sidenav-container-divider-color, transparent);border-left-width:1px;border-left-style:solid;border-right:none}[dir=rtl] .mat-drawer-side.mat-drawer-end{border-right-color:var(--mat-sidenav-container-divider-color, transparent);border-right-width:1px;border-right-style:solid;border-left:none}.mat-drawer-inner-container{width:100%;height:100%;overflow:auto}.mat-sidenav-fixed{position:fixed}"], dependencies: [{ kind: "component", type: MatDrawerContent, selector: "mat-drawer-content" }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "19.2.0", ngImport: i0, type: MatDrawerContainer, decorators: [{
type: Component,
args: [{ selector: 'mat-drawer-container', exportAs: 'matDrawerContainer', host: {
'class': 'mat-drawer-container',
'[class.mat-drawer-container-explicit-backdrop]': '_backdropOverride',
}, changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, providers: [
{
provide: MAT_DRAWER_CONTAINER,
useExisting: MatDrawerContainer,
},
], imports: [MatDrawerContent], template: "@if (hasBackdrop) {\n <div class=\"mat-drawer-backdrop\" (click)=\"_onBackdropClicked()\"\n [class.mat-drawer-shown]=\"_isShowingBackdrop()\"></div>\n}\n\n<ng-content select=\"mat-drawer\"></ng-content>\n\n<ng-content select=\"mat-drawer-content\">\n</ng-content>\n\n@if (!_content) {\n <mat-drawer-content>\n <ng-content></ng-content>\n </mat-drawer-content>\n}\n", styles: [".mat-drawer-container{position:relative;z-index:1;color:var(--mat-sidenav-content-text-color, var(--mat-sys-on-background));background-color:var(--mat-sidenav-content-background-color, var(--mat-sys-background));box-sizing:border-box;display:block;overflow:hidden}.mat-drawer-container[fullscreen]{top:0;left:0;right:0;bottom:0;position:absolute}.mat-drawer-container[fullscreen].mat-drawer-container-has-open{overflow:hidden}.mat-drawer-container.mat-drawer-container-explicit-backdrop .mat-drawer-side{z-index:3}.mat-drawer-container.ng-animate-disabled .mat-drawer-backdrop,.mat-drawer-container.ng-animate-disabled .mat-drawer-content,.ng-animate-disabled .mat-drawer-container .mat-drawer-backdrop,.ng-animate-disabled .mat-drawer-container .mat-drawer-content{transition:none}.mat-drawer-backdrop{top:0;left:0;right:0;bottom:0;position:absolute;display:block;z-index:3;visibility:hidden}.mat-drawer-backdrop.mat-drawer-shown{visibility:visible;background-color:var(--mat-sidenav-scrim-color, color-mix(in srgb, var(--mat-sys-neutral-variant20) 40%, transparent))}.mat-drawer-transition .mat-drawer-backdrop{transition-duration:400ms;transition-timing-function:cubic-bezier(0.25, 0.8, 0.25, 1);transition-property:background-color,visibility}@media(forced-colors: active){.mat-drawer-backdrop{opacity:.5}}.mat-drawer-content{position:relative;z-index:1;display:block;height:100%;overflow:auto}.mat-drawer-content.mat-drawer-content-hidden{opacity:0}.mat-drawer-transition .mat-drawer-content{transition-duration:400ms;transition-timing-function:cubic-bezier(0.25, 0.8, 0.25, 1);transition-property:transform,margin-left,margin-right}.mat-drawer{position:relative;z-index:4;color:var(--mat-sidenav-container-text-color, var(--mat-sys-on-surface-variant));box-shadow:var(--mat-sidenav-container-elevation-shadow, none);background-color:var(--mat-sidenav-container-background-color, var(--mat-sys-surface));border-top-right-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-bottom-right-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));width:var(--mat-sidenav-container-width, 360px);display:block;position:absolute;top:0;bottom:0;z-index:3;outline:0;box-sizing:border-box;overflow-y:auto;transform:translate3d(-100%, 0, 0)}@media(forced-colors: active){.mat-drawer,[dir=rtl] .mat-drawer.mat-drawer-end{border-right:solid 1px currentColor}}@media(forced-colors: active){[dir=rtl] .mat-drawer,.mat-drawer.mat-drawer-end{border-left:solid 1px currentColor;border-right:none}}.mat-drawer.mat-drawer-side{z-index:2}.mat-drawer.mat-drawer-end{right:0;transform:translate3d(100%, 0, 0);border-top-left-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-bottom-left-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-top-right-radius:0;border-bottom-right-radius:0}[dir=rtl] .mat-drawer{border-top-left-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-bottom-left-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-top-right-radius:0;border-bottom-right-radius:0;transform:translate3d(100%, 0, 0)}[dir=rtl] .mat-drawer.mat-drawer-end{border-top-right-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-bottom-right-radius:var(--mat-sidenav-container-shape, var(--mat-sys-corner-large));border-top-left-radius:0;border-bottom-left-radius:0;left:0;right:auto;transform:translate3d(-100%, 0, 0)}.mat-drawer-transition .mat-drawer{transition:transform 400ms cub