@angular/material
Version:
Angular Material
849 lines • 124 kB
JavaScript
import { FocusMonitor, FocusTrapFactory, InteractivityChecker, } from '@angular/cdk/a11y';
import { Directionality } from '@angular/cdk/bidi';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';
import { Platform } from '@angular/cdk/platform';
import { CdkScrollable, ScrollDispatcher, ViewportRuler } from '@angular/cdk/scrolling';
import { DOCUMENT } from '@angular/common';
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ContentChild, ContentChildren, ElementRef, EventEmitter, forwardRef, Inject, InjectionToken, Input, NgZone, Optional, Output, QueryList, ViewChild, ViewEncapsulation, } from '@angular/core';
import { fromEvent, merge, Observable, Subject } from 'rxjs';
import { debounceTime, filter, map, startWith, take, takeUntil, distinctUntilChanged, mapTo, } from 'rxjs/operators';
import { matDrawerAnimations } from './drawer-animations';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/scrolling";
import * as i2 from "@angular/cdk/a11y";
import * as i3 from "@angular/cdk/platform";
import * as i4 from "@angular/cdk/bidi";
import * as i5 from "@angular/common";
/**
* Throws an exception when two MatDrawer are matching the same position.
* @docs-private
*/
export function throwMatDuplicatedDrawerError(position) {
throw Error(`A drawer was already declared for 'position="${position}"'`);
}
/** Configures whether drawers should use auto sizing by default. */
export 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
*/
export const MAT_DRAWER_CONTAINER = new InjectionToken('MAT_DRAWER_CONTAINER');
/** @docs-private */
export function MAT_DRAWER_DEFAULT_AUTOSIZE_FACTORY() {
return false;
}
export class MatDrawerContent extends CdkScrollable {
constructor(_changeDetectorRef, _container, elementRef, scrollDispatcher, ngZone) {
super(elementRef, scrollDispatcher, ngZone);
this._changeDetectorRef = _changeDetectorRef;
this._container = _container;
}
ngAfterContentInit() {
this._container._contentMarginChanges.subscribe(() => {
this._changeDetectorRef.markForCheck();
});
}
}
MatDrawerContent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.0-rc.0", ngImport: i0, type: MatDrawerContent, deps: [{ token: i0.ChangeDetectorRef }, { token: forwardRef(() => MatDrawerContainer) }, { token: i0.ElementRef }, { token: i1.ScrollDispatcher }, { token: i0.NgZone }], target: i0.ɵɵFactoryTarget.Component });
MatDrawerContent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.0-rc.0", type: MatDrawerContent, selector: "mat-drawer-content", host: { properties: { "style.margin-left.px": "_container._contentMargins.left", "style.margin-right.px": "_container._contentMargins.right" }, 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: "15.2.0-rc.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',
},
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
providers: [
{
provide: CdkScrollable,
useExisting: MatDrawerContent,
},
],
}]
}], ctorParameters: function () { return [{ type: i0.ChangeDetectorRef }, { type: MatDrawerContainer, decorators: [{
type: Inject,
args: [forwardRef(() => MatDrawerContainer)]
}] }, { type: i0.ElementRef }, { type: i1.ScrollDispatcher }, { type: i0.NgZone }]; } });
/**
* This component corresponds to a drawer that can be opened on the drawer container.
*/
export class MatDrawer {
/** 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();
}
}
/** 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();
}
/** 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);
}
/**
* 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;
}
/**
* 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));
}
constructor(_elementRef, _focusTrapFactory, _focusMonitor, _platform, _ngZone, _interactivityChecker, _doc, _container) {
this._elementRef = _elementRef;
this._focusTrapFactory = _focusTrapFactory;
this._focusMonitor = _focusMonitor;
this._platform = _platform;
this._ngZone = _ngZone;
this._interactivityChecker = _interactivityChecker;
this._doc = _doc;
this._container = _container;
this._elementFocusedBeforeDrawerWasOpened = null;
/** Whether the drawer is initialized. Used for disabling the initial animation. */
this._enableAnimations = false;
this._position = 'start';
this._mode = 'over';
this._disableClose = false;
this._opened = false;
/** Emits whenever the drawer has started animating. */
this._animationStarted = new Subject();
/** Emits whenever the drawer is done animating. */
this._animationEnd = new Subject();
/** Current state of the sidenav animation. */
this._animationState = 'void';
/** Event emitted when the drawer open state is changed. */
this.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. */
this._openedStream = this.openedChange.pipe(filter(o => o), map(() => { }));
/** Event emitted when the drawer has started opening. */
this.openedStart = this._animationStarted.pipe(filter(e => e.fromState !== e.toState && e.toState.indexOf('open') === 0), mapTo(undefined));
/** Event emitted when the drawer has been closed. */
this._closedStream = this.openedChange.pipe(filter(o => !o), map(() => { }));
/** Event emitted when the drawer has started closing. */
this.closedStart = this._animationStarted.pipe(filter(e => e.fromState !== e.toState && e.toState === 'void'), mapTo(undefined));
/** Emits when the component is destroyed. */
this._destroyed = new Subject();
/** Event emitted when the drawer's position changes. */
// tslint:disable-next-line:no-output-on-prefix
this.onPositionChanged = new EventEmitter();
/**
* 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.
*/
this._modeChanged = new Subject();
this.openedChange.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(() => {
fromEvent(this._elementRef.nativeElement, '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();
}));
});
// We need a Subject with distinctUntilChanged, because the `done` event
// fires twice on some browsers. See https://github.com/angular/angular/issues/24084
this._animationEnd
.pipe(distinctUntilChanged((x, y) => {
return x.fromState === y.fromState && x.toState === y.toState;
}))
.subscribe((event) => {
const { fromState, toState } = event;
if ((toState.indexOf('open') === 0 && fromState === 'void') ||
(toState === 'void' && fromState.indexOf('open') === 0)) {
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 = () => {
element.removeEventListener('blur', callback);
element.removeEventListener('mousedown', callback);
element.removeAttribute('tabindex');
};
element.addEventListener('blur', callback);
element.addEventListener('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':
this._focusTrap.focusInitialElementWhenReady().then(hasMovedFocus => {
if (!hasMovedFocus && typeof this._elementRef.nativeElement.focus === 'function') {
element.focus();
}
});
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;
this._focusTrap = this._focusTrapFactory.create(this._elementRef.nativeElement);
this._updateFocusTrapState();
// 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');
}
}
ngAfterContentChecked() {
// Enable the animations after the lifecycle hooks have run, in order to avoid animating
// drawers that are open by default. When we're on the server, we shouldn't enable the
// animations, because we don't want the drawer to animate the first time the user sees
// the page.
if (this._platform.isBrowser) {
this._enableAnimations = true;
}
}
ngOnDestroy() {
if (this._focusTrap) {
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) {
this._opened = isOpen;
if (isOpen) {
this._animationState = this._enableAnimations ? 'open' : 'open-instant';
}
else {
this._animationState = 'void';
if (restoreFocus) {
this._restoreFocus(focusOrigin);
}
}
this._updateFocusTrapState();
return new Promise(resolve => {
this.openedChange.pipe(take(1)).subscribe(open => resolve(open ? 'open' : 'close'));
});
}
_getWidth() {
return this._elementRef.nativeElement ? this._elementRef.nativeElement.offsetWidth || 0 : 0;
}
/** Updates the enabled state of the focus trap. */
_updateFocusTrapState() {
if (this._focusTrap) {
// The focus trap is only enabled when the drawer is open in any mode other than side.
this._focusTrap.enabled = this.opened && this.mode !== 'side';
}
}
/**
* 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) {
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);
}
}
}
MatDrawer.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.0-rc.0", ngImport: i0, type: MatDrawer, deps: [{ token: i0.ElementRef }, { token: i2.FocusTrapFactory }, { token: i2.FocusMonitor }, { token: i3.Platform }, { token: i0.NgZone }, { token: i2.InteractivityChecker }, { token: DOCUMENT, optional: true }, { token: MAT_DRAWER_CONTAINER, optional: true }], target: i0.ɵɵFactoryTarget.Component });
MatDrawer.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.0-rc.0", type: MatDrawer, 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" }, listeners: { "@transform.start": "_animationStarted.next($event)", "@transform.done": "_animationEnd.next($event)" }, properties: { "attr.align": "null", "class.mat-drawer-end": "position === \"end\"", "class.mat-drawer-over": "mode === \"over\"", "class.mat-drawer-push": "mode === \"push\"", "class.mat-drawer-side": "mode === \"side\"", "class.mat-drawer-opened": "opened", "@transform": "_animationState" }, classAttribute: "mat-drawer" }, viewQueries: [{ propertyName: "_content", first: true, predicate: ["content"], descendants: true }], exportAs: ["matDrawer"], ngImport: i0, template: "<div class=\"mat-drawer-inner-container\" cdkScrollable #content>\r\n <ng-content></ng-content>\r\n</div>\r\n", dependencies: [{ kind: "directive", type: i1.CdkScrollable, selector: "[cdk-scrollable], [cdkScrollable]" }], animations: [matDrawerAnimations.transformDrawer], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.0-rc.0", ngImport: i0, type: MatDrawer, decorators: [{
type: Component,
args: [{ selector: 'mat-drawer', exportAs: 'matDrawer', animations: [matDrawerAnimations.transformDrawer], host: {
'class': 'mat-drawer',
// must prevent the browser from aligning text based on value
'[attr.align]': 'null',
'[class.mat-drawer-end]': 'position === "end"',
'[class.mat-drawer-over]': 'mode === "over"',
'[class.mat-drawer-push]': 'mode === "push"',
'[class.mat-drawer-side]': 'mode === "side"',
'[class.mat-drawer-opened]': 'opened',
'tabIndex': '-1',
'[@transform]': '_animationState',
'(@transform.start)': '_animationStarted.next($event)',
'(@transform.done)': '_animationEnd.next($event)',
}, changeDetection: ChangeDetectionStrategy.OnPush, encapsulation: ViewEncapsulation.None, template: "<div class=\"mat-drawer-inner-container\" cdkScrollable #content>\r\n <ng-content></ng-content>\r\n</div>\r\n" }]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i2.FocusTrapFactory }, { type: i2.FocusMonitor }, { type: i3.Platform }, { type: i0.NgZone }, { type: i2.InteractivityChecker }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [DOCUMENT]
}] }, { type: MatDrawerContainer, decorators: [{
type: Optional
}, {
type: Inject,
args: [MAT_DRAWER_CONTAINER]
}] }]; }, 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.
*/
export class MatDrawerContainer {
/** 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);
}
/**
* 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() {
if (this._backdropOverride == null) {
return !this._start || this._start.mode !== 'side' || !this._end || this._end.mode !== 'side';
}
return this._backdropOverride;
}
set hasBackdrop(value) {
this._backdropOverride = value == null ? null : coerceBooleanProperty(value);
}
/** Reference to the CdkScrollable instance that wraps the scrollable content. */
get scrollable() {
return this._userContent || this._content;
}
constructor(_dir, _element, _ngZone, _changeDetectorRef, viewportRuler, defaultAutosize = false, _animationMode) {
this._dir = _dir;
this._element = _element;
this._ngZone = _ngZone;
this._changeDetectorRef = _changeDetectorRef;
this._animationMode = _animationMode;
/** Drawers that belong to this container. */
this._drawers = new QueryList();
/** Event emitted when the drawer backdrop is clicked. */
this.backdropClick = new EventEmitter();
/** Emits when the component is destroyed. */
this._destroyed = new Subject();
/** Emits on every ngDoCheck. Used for debouncing reflows. */
this._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.
*/
this._contentMargins = { left: null, right: null };
this._contentMarginChanges = new Subject();
// If a `Dir` directive exists up the tree, listen direction changes
// and update the left/right properties to point to the proper start/end.
if (_dir) {
_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());
this._autosize = defaultAutosize;
}
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(filter((event) => event.fromState !== event.toState), takeUntil(this._drawers.changes))
.subscribe((event) => {
// Set the transition class on the container so that the animations occur. This should not
// be set initially because animations should only be triggered via a change in state.
if (event.toState !== 'open-instant' && this._animationMode !== 'NoopAnimations') {
this._element.nativeElement.classList.add('mat-drawer-transition');
}
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) {
if (!drawer) {
return;
}
// 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(() => {
this._ngZone.onMicrotaskEmpty.pipe(take(1)).subscribe(() => {
this._validateDrawers();
});
});
}
/** Subscribes to changes in drawer mode so we can run change detection. */
_watchDrawerMode(drawer) {
if (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._canHaveBackdrop(drawer))
.forEach(drawer => drawer._closeViaBackdropClick());
}
_isShowingBackdrop() {
return ((this._isDrawerOpen(this._start) && this._canHaveBackdrop(this._start)) ||
(this._isDrawerOpen(this._end) && this._canHaveBackdrop(this._end)));
}
_canHaveBackdrop(drawer) {
return drawer.mode !== 'side' || !!this._backdropOverride;
}
_isDrawerOpen(drawer) {
return drawer != null && drawer.opened;
}
}
MatDrawerContainer.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.0-rc.0", ngImport: i0, type: MatDrawerContainer, deps: [{ token: i4.Directionality, optional: true }, { token: i0.ElementRef }, { token: i0.NgZone }, { token: i0.ChangeDetectorRef }, { token: i1.ViewportRuler }, { token: MAT_DRAWER_DEFAULT_AUTOSIZE }, { token: ANIMATION_MODULE_TYPE, optional: true }], target: i0.ɵɵFactoryTarget.Component });
MatDrawerContainer.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.0-rc.0", type: MatDrawerContainer, 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: "<div class=\"mat-drawer-backdrop\" (click)=\"_onBackdropClicked()\" *ngIf=\"hasBackdrop\"\n [class.mat-drawer-shown]=\"_isShowingBackdrop()\"></div>\n\n<ng-content select=\"mat-drawer\"></ng-content>\n\n<ng-content select=\"mat-drawer-content\">\n</ng-content>\n<mat-drawer-content *ngIf=\"!_content\">\n <ng-content></ng-content>\n</mat-drawer-content>\n", styles: [".mat-drawer-container{position:relative;z-index:1;box-sizing:border-box;-webkit-overflow-scrolling:touch;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}.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}.cdk-high-contrast-active .mat-drawer-backdrop{opacity:.5}.mat-drawer-content{position:relative;z-index:1;display:block;height:100%;overflow:auto}.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;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)}.cdk-high-contrast-active .mat-drawer,.cdk-high-contrast-active [dir=rtl] .mat-drawer.mat-drawer-end{border-right:solid 1px currentColor}.cdk-high-contrast-active [dir=rtl] .mat-drawer,.cdk-high-contrast-active .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)}[dir=rtl] .mat-drawer{transform:translate3d(100%, 0, 0)}[dir=rtl] .mat-drawer.mat-drawer-end{left:0;right:auto;transform:translate3d(-100%, 0, 0)}.mat-drawer[style*=\"visibility: hidden\"]{display:none}.mat-drawer-inner-container{width:100%;height:100%;overflow:auto;-webkit-overflow-scrolling:touch}.mat-sidenav-fixed{position:fixed}"], dependencies: [{ kind: "directive", type: i5.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "component", type: MatDrawerContent, selector: "mat-drawer-content" }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.0-rc.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,
},
], template: "<div class=\"mat-drawer-backdrop\" (click)=\"_onBackdropClicked()\" *ngIf=\"hasBackdrop\"\n [class.mat-drawer-shown]=\"_isShowingBackdrop()\"></div>\n\n<ng-content select=\"mat-drawer\"></ng-content>\n\n<ng-content select=\"mat-drawer-content\">\n</ng-content>\n<mat-drawer-content *ngIf=\"!_content\">\n <ng-content></ng-content>\n</mat-drawer-content>\n", styles: [".mat-drawer-container{position:relative;z-index:1;box-sizing:border-box;-webkit-overflow-scrolling:touch;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}.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}.cdk-high-contrast-active .mat-drawer-backdrop{opacity:.5}.mat-drawer-content{position:relative;z-index:1;display:block;height:100%;overflow:auto}.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;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)}.cdk-high-contrast-active .mat-drawer,.cdk-high-contrast-active [dir=rtl] .mat-drawer.mat-drawer-end{border-right:solid 1px currentColor}.cdk-high-contrast-active [dir=rtl] .mat-drawer,.cdk-high-contrast-active .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)}[dir=rtl] .mat-drawer{transform:translate3d(100%, 0, 0)}[dir=rtl] .mat-drawer.mat-drawer-end{left:0;right:auto;transform:translate3d(-100%, 0, 0)}.mat-drawer[style*=\"visibility: hidden\"]{display:none}.mat-drawer-inner-container{width:100%;height:100%;overflow:auto;-webkit-overflow-scrolling:touch}.mat-sidenav-fixed{position:fixed}"] }]
}], ctorParameters: function () { return [{ type: i4.Directionality, decorators: [{
type: Optional
}] }, { type: i0.ElementRef }, { type: i0.NgZone }, { type: i0.ChangeDetectorRef }, { type: i1.ViewportRuler }, { type: undefined, decorators: [{
type: Inject,
args: [MAT_DRAWER_DEFAULT_AUTOSIZE]
}] }, { type: undefined, decorators: [{
type: Optional
}, {
type: Inject,
args: [ANIMATION_MODULE_TYPE]
}] }]; }, propDecorators: { _allDrawers: [{
type: ContentChildren,
args: [MatDrawer, {
// We need to use `descendants: true`, because Ivy will no longer match
// indirect descendants if it's left as false.
descendants: true,
}]
}], _content: [{
type: ContentChild,
args: [MatDrawerContent]
}], _userContent: [{
type: ViewChild,
args: [MatDrawerContent]
}], autosize: [{
type: Input
}], hasBackdrop: [{
type: Input
}], backdropClick: [{
type: Output
}] } });
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