@angular/material
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Angular Material
515 lines • 175 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 { Directionality } from '@angular/cdk/bidi';
import { Platform } from '@angular/cdk/platform';
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ContentChild, ContentChildren, ElementRef, Inject, InjectionToken, Input, NgZone, Optional, QueryList, ViewChild, ViewEncapsulation, } from '@angular/core';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
import { merge, Subject } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
import { MAT_ERROR } from './directives/error';
import { MatFormFieldFloatingLabel } from './directives/floating-label';
import { MatHint } from './directives/hint';
import { MatLabel } from './directives/label';
import { MatFormFieldLineRipple } from './directives/line-ripple';
import { MatFormFieldNotchedOutline } from './directives/notched-outline';
import { MAT_PREFIX } from './directives/prefix';
import { MAT_SUFFIX } from './directives/suffix';
import { DOCUMENT } from '@angular/common';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { matFormFieldAnimations } from './form-field-animations';
import { MatFormFieldControl } from './form-field-control';
import { getMatFormFieldDuplicatedHintError, getMatFormFieldMissingControlError, } from './form-field-errors';
import * as i0 from "@angular/core";
import * as i1 from "@angular/cdk/bidi";
import * as i2 from "@angular/cdk/platform";
import * as i3 from "@angular/common";
import * as i4 from "@angular/cdk/observers";
import * as i5 from "./directives/hint";
import * as i6 from "./directives/floating-label";
import * as i7 from "./directives/notched-outline";
import * as i8 from "./directives/line-ripple";
/**
* Injection token that can be used to inject an instances of `MatFormField`. It serves
* as alternative token to the actual `MatFormField` class which would cause unnecessary
* retention of the `MatFormField` class and its component metadata.
*/
export const MAT_FORM_FIELD = new InjectionToken('MatFormField');
/**
* Injection token that can be used to configure the
* default options for all form field within an app.
*/
export const MAT_FORM_FIELD_DEFAULT_OPTIONS = new InjectionToken('MAT_FORM_FIELD_DEFAULT_OPTIONS');
let nextUniqueId = 0;
/** Default appearance used by the form field. */
const DEFAULT_APPEARANCE = 'fill';
/**
* Whether the label for form fields should by default float `always`,
* `never`, or `auto`.
*/
const DEFAULT_FLOAT_LABEL = 'auto';
/** Default way that the subscript element height is set. */
const DEFAULT_SUBSCRIPT_SIZING = 'fixed';
/**
* Default transform for docked floating labels in a MDC text-field. This value has been
* extracted from the MDC text-field styles because we programmatically modify the docked
* label transform, but do not want to accidentally discard the default label transform.
*/
const FLOATING_LABEL_DEFAULT_DOCKED_TRANSFORM = `translateY(-50%)`;
/** Container for form controls that applies Material Design styling and behavior. */
export class MatFormField {
/** Whether the required marker should be hidden. */
get hideRequiredMarker() {
return this._hideRequiredMarker;
}
set hideRequiredMarker(value) {
this._hideRequiredMarker = coerceBooleanProperty(value);
}
/** Whether the label should always float or float as the user types. */
get floatLabel() {
return this._floatLabel || this._defaults?.floatLabel || DEFAULT_FLOAT_LABEL;
}
set floatLabel(value) {
if (value !== this._floatLabel) {
this._floatLabel = value;
// For backwards compatibility. Custom form field controls or directives might set
// the "floatLabel" input and expect the form field view to be updated automatically.
// e.g. autocomplete trigger. Ideally we'd get rid of this and the consumers would just
// emit the "stateChanges" observable. TODO(devversion): consider removing.
this._changeDetectorRef.markForCheck();
}
}
/** The form field appearance style. */
get appearance() {
return this._appearance;
}
set appearance(value) {
const oldValue = this._appearance;
const newAppearance = value || this._defaults?.appearance || DEFAULT_APPEARANCE;
if (typeof ngDevMode === 'undefined' || ngDevMode) {
if (newAppearance !== 'fill' && newAppearance !== 'outline') {
throw new Error(`MatFormField: Invalid appearance "${newAppearance}", valid values are "fill" or "outline".`);
}
}
this._appearance = newAppearance;
if (this._appearance === 'outline' && this._appearance !== oldValue) {
this._refreshOutlineNotchWidth();
// If the appearance has been switched to `outline`, the label offset needs to be updated.
// The update can happen once the view has been re-checked, but not immediately because
// the view has not been updated and the notched-outline floating label is not present.
this._needsOutlineLabelOffsetUpdateOnStable = true;
}
}
/**
* Whether the form field should reserve space for one line of hint/error text (default)
* or to have the spacing grow from 0px as needed based on the size of the hint/error content.
* Note that when using dynamic sizing, layout shifts will occur when hint/error text changes.
*/
get subscriptSizing() {
return this._subscriptSizing || this._defaults?.subscriptSizing || DEFAULT_SUBSCRIPT_SIZING;
}
set subscriptSizing(value) {
this._subscriptSizing = value || this._defaults?.subscriptSizing || DEFAULT_SUBSCRIPT_SIZING;
}
/** Text for the form field hint. */
get hintLabel() {
return this._hintLabel;
}
set hintLabel(value) {
this._hintLabel = value;
this._processHints();
}
/** Gets the current form field control */
get _control() {
return this._explicitFormFieldControl || this._formFieldControl;
}
set _control(value) {
this._explicitFormFieldControl = value;
}
constructor(_elementRef, _changeDetectorRef, _ngZone, _dir, _platform, _defaults, _animationMode, _document) {
this._elementRef = _elementRef;
this._changeDetectorRef = _changeDetectorRef;
this._ngZone = _ngZone;
this._dir = _dir;
this._platform = _platform;
this._defaults = _defaults;
this._animationMode = _animationMode;
this._document = _document;
this._hideRequiredMarker = false;
/** The color palette for the form field. */
this.color = 'primary';
this._appearance = DEFAULT_APPEARANCE;
this._subscriptSizing = null;
this._hintLabel = '';
this._hasIconPrefix = false;
this._hasTextPrefix = false;
this._hasIconSuffix = false;
this._hasTextSuffix = false;
// Unique id for the internal form field label.
this._labelId = `mat-mdc-form-field-label-${nextUniqueId++}`;
// Unique id for the hint label.
this._hintLabelId = `mat-mdc-hint-${nextUniqueId++}`;
/** State of the mat-hint and mat-error animations. */
this._subscriptAnimationState = '';
/** Width of the label element (at scale=1). */
this._labelWidth = 0;
this._destroyed = new Subject();
this._isFocused = null;
this._needsOutlineLabelOffsetUpdateOnStable = false;
if (_defaults) {
if (_defaults.appearance) {
this.appearance = _defaults.appearance;
}
this._hideRequiredMarker = Boolean(_defaults?.hideRequiredMarker);
if (_defaults.color) {
this.color = _defaults.color;
}
}
}
ngAfterViewInit() {
// Initial focus state sync. This happens rarely, but we want to account for
// it in case the form field control has "focused" set to true on init.
this._updateFocusState();
// Initial notch width update. This is needed in case the text-field label floats
// on initialization, and renders inside of the notched outline.
this._refreshOutlineNotchWidth();
// Make sure fonts are loaded before calculating the width.
// zone.js currently doesn't patch the FontFaceSet API so two calls to
// _refreshOutlineNotchWidth is needed for this to work properly in async tests.
// Furthermore if the font takes a long time to load we want the outline notch to be close
// to the correct width from the start then correct itself when the fonts load.
if (this._document?.fonts?.ready) {
this._document.fonts.ready.then(() => {
this._refreshOutlineNotchWidth();
this._changeDetectorRef.markForCheck();
});
}
else {
// FontFaceSet is not supported in IE
setTimeout(() => this._refreshOutlineNotchWidth(), 100);
}
// Enable animations now. This ensures we don't animate on initial render.
this._subscriptAnimationState = 'enter';
// Because the above changes a value used in the template after it was checked, we need
// to trigger CD or the change might not be reflected if there is no other CD scheduled.
this._changeDetectorRef.detectChanges();
}
ngAfterContentInit() {
this._assertFormFieldControl();
this._initializeControl();
this._initializeSubscript();
this._initializePrefixAndSuffix();
this._initializeOutlineLabelOffsetSubscriptions();
}
ngAfterContentChecked() {
this._assertFormFieldControl();
}
ngOnDestroy() {
this._destroyed.next();
this._destroyed.complete();
}
/**
* Gets the id of the label element. If no label is present, returns `null`.
*/
getLabelId() {
return this._hasFloatingLabel() ? this._labelId : null;
}
/**
* Gets an ElementRef for the element that a overlay attached to the form field
* should be positioned relative to.
*/
getConnectedOverlayOrigin() {
return this._textField || this._elementRef;
}
/** Animates the placeholder up and locks it in position. */
_animateAndLockLabel() {
// This is for backwards compatibility only. Consumers of the form field might use
// this method. e.g. the autocomplete trigger. This method has been added to the non-MDC
// form field because setting "floatLabel" to "always" caused the label to float without
// animation. This is different in MDC where the label always animates, so this method
// is no longer necessary. There doesn't seem any benefit in adding logic to allow changing
// the floating label state without animations. The non-MDC implementation was inconsistent
// because it always animates if "floatLabel" is set away from "always".
// TODO(devversion): consider removing this method when releasing the MDC form field.
if (this._hasFloatingLabel()) {
this.floatLabel = 'always';
}
}
/** Initializes the registered form field control. */
_initializeControl() {
const control = this._control;
if (control.controlType) {
this._elementRef.nativeElement.classList.add(`mat-mdc-form-field-type-${control.controlType}`);
}
// Subscribe to changes in the child control state in order to update the form field UI.
control.stateChanges.subscribe(() => {
this._updateFocusState();
this._syncDescribedByIds();
this._changeDetectorRef.markForCheck();
});
// Run change detection if the value changes.
if (control.ngControl && control.ngControl.valueChanges) {
control.ngControl.valueChanges
.pipe(takeUntil(this._destroyed))
.subscribe(() => this._changeDetectorRef.markForCheck());
}
}
_checkPrefixAndSuffixTypes() {
this._hasIconPrefix = !!this._prefixChildren.find(p => !p._isText);
this._hasTextPrefix = !!this._prefixChildren.find(p => p._isText);
this._hasIconSuffix = !!this._suffixChildren.find(s => !s._isText);
this._hasTextSuffix = !!this._suffixChildren.find(s => s._isText);
}
/** Initializes the prefix and suffix containers. */
_initializePrefixAndSuffix() {
this._checkPrefixAndSuffixTypes();
// Mark the form field as dirty whenever the prefix or suffix children change. This
// is necessary because we conditionally display the prefix/suffix containers based
// on whether there is projected content.
merge(this._prefixChildren.changes, this._suffixChildren.changes).subscribe(() => {
this._checkPrefixAndSuffixTypes();
this._changeDetectorRef.markForCheck();
});
}
/**
* Initializes the subscript by validating hints and synchronizing "aria-describedby" ids
* with the custom form field control. Also subscribes to hint and error changes in order
* to be able to validate and synchronize ids on change.
*/
_initializeSubscript() {
// Re-validate when the number of hints changes.
this._hintChildren.changes.subscribe(() => {
this._processHints();
this._changeDetectorRef.markForCheck();
});
// Update the aria-described by when the number of errors changes.
this._errorChildren.changes.subscribe(() => {
this._syncDescribedByIds();
this._changeDetectorRef.markForCheck();
});
// Initial mat-hint validation and subscript describedByIds sync.
this._validateHints();
this._syncDescribedByIds();
}
/** Throws an error if the form field's control is missing. */
_assertFormFieldControl() {
if (!this._control && (typeof ngDevMode === 'undefined' || ngDevMode)) {
throw getMatFormFieldMissingControlError();
}
}
_updateFocusState() {
// Usually the MDC foundation would call "activateFocus" and "deactivateFocus" whenever
// certain DOM events are emitted. This is not possible in our implementation of the
// form field because we support abstract form field controls which are not necessarily
// of type input, nor do we have a reference to a native form field control element. Instead
// we handle the focus by checking if the abstract form field control focused state changes.
if (this._control.focused && !this._isFocused) {
this._isFocused = true;
this._lineRipple?.activate();
}
else if (!this._control.focused && (this._isFocused || this._isFocused === null)) {
this._isFocused = false;
this._lineRipple?.deactivate();
}
this._textField?.nativeElement.classList.toggle('mdc-text-field--focused', this._control.focused);
}
/**
* The floating label in the docked state needs to account for prefixes. The horizontal offset
* is calculated whenever the appearance changes to `outline`, the prefixes change, or when the
* form field is added to the DOM. This method sets up all subscriptions which are needed to
* trigger the label offset update. In general, we want to avoid performing measurements often,
* so we rely on the `NgZone` as indicator when the offset should be recalculated, instead of
* checking every change detection cycle.
*/
_initializeOutlineLabelOffsetSubscriptions() {
// Whenever the prefix changes, schedule an update of the label offset.
this._prefixChildren.changes.subscribe(() => (this._needsOutlineLabelOffsetUpdateOnStable = true));
// Note that we have to run outside of the `NgZone` explicitly, in order to avoid
// throwing users into an infinite loop if `zone-patch-rxjs` is included.
this._ngZone.runOutsideAngular(() => {
this._ngZone.onStable.pipe(takeUntil(this._destroyed)).subscribe(() => {
if (this._needsOutlineLabelOffsetUpdateOnStable) {
this._needsOutlineLabelOffsetUpdateOnStable = false;
this._updateOutlineLabelOffset();
}
});
});
this._dir.change
.pipe(takeUntil(this._destroyed))
.subscribe(() => (this._needsOutlineLabelOffsetUpdateOnStable = true));
}
/** Whether the floating label should always float or not. */
_shouldAlwaysFloat() {
return this.floatLabel === 'always';
}
_hasOutline() {
return this.appearance === 'outline';
}
/**
* Whether the label should display in the infix. Labels in the outline appearance are
* displayed as part of the notched-outline and are horizontally offset to account for
* form field prefix content. This won't work in server side rendering since we cannot
* measure the width of the prefix container. To make the docked label appear as if the
* right offset has been calculated, we forcibly render the label inside the infix. Since
* the label is part of the infix, the label cannot overflow the prefix content.
*/
_forceDisplayInfixLabel() {
return !this._platform.isBrowser && this._prefixChildren.length && !this._shouldLabelFloat();
}
_hasFloatingLabel() {
return !!this._labelChildNonStatic || !!this._labelChildStatic;
}
_shouldLabelFloat() {
return this._control.shouldLabelFloat || this._shouldAlwaysFloat();
}
/**
* Determines whether a class from the AbstractControlDirective
* should be forwarded to the host element.
*/
_shouldForward(prop) {
const control = this._control ? this._control.ngControl : null;
return control && control[prop];
}
/** Determines whether to display hints or errors. */
_getDisplayedMessages() {
return this._errorChildren && this._errorChildren.length > 0 && this._control.errorState
? 'error'
: 'hint';
}
/** Refreshes the width of the outline-notch, if present. */
_refreshOutlineNotchWidth() {
if (!this._hasOutline() || !this._floatingLabel) {
return;
}
this._labelWidth = this._floatingLabel.getWidth();
}
/** Does any extra processing that is required when handling the hints. */
_processHints() {
this._validateHints();
this._syncDescribedByIds();
}
/**
* Ensure that there is a maximum of one of each "mat-hint" alignment specified. The hint
* label specified set through the input is being considered as "start" aligned.
*
* This method is a noop if Angular runs in production mode.
*/
_validateHints() {
if (this._hintChildren && (typeof ngDevMode === 'undefined' || ngDevMode)) {
let startHint;
let endHint;
this._hintChildren.forEach((hint) => {
if (hint.align === 'start') {
if (startHint || this.hintLabel) {
throw getMatFormFieldDuplicatedHintError('start');
}
startHint = hint;
}
else if (hint.align === 'end') {
if (endHint) {
throw getMatFormFieldDuplicatedHintError('end');
}
endHint = hint;
}
});
}
}
/**
* Sets the list of element IDs that describe the child control. This allows the control to update
* its `aria-describedby` attribute accordingly.
*/
_syncDescribedByIds() {
if (this._control) {
let ids = [];
// TODO(wagnermaciel): Remove the type check when we find the root cause of this bug.
if (this._control.userAriaDescribedBy &&
typeof this._control.userAriaDescribedBy === 'string') {
ids.push(...this._control.userAriaDescribedBy.split(' '));
}
if (this._getDisplayedMessages() === 'hint') {
const startHint = this._hintChildren
? this._hintChildren.find(hint => hint.align === 'start')
: null;
const endHint = this._hintChildren
? this._hintChildren.find(hint => hint.align === 'end')
: null;
if (startHint) {
ids.push(startHint.id);
}
else if (this._hintLabel) {
ids.push(this._hintLabelId);
}
if (endHint) {
ids.push(endHint.id);
}
}
else if (this._errorChildren) {
ids.push(...this._errorChildren.map(error => error.id));
}
this._control.setDescribedByIds(ids);
}
}
/**
* Updates the horizontal offset of the label in the outline appearance. In the outline
* appearance, the notched-outline and label are not relative to the infix container because
* the outline intends to surround prefixes, suffixes and the infix. This means that the
* floating label by default overlaps prefixes in the docked state. To avoid this, we need to
* horizontally offset the label by the width of the prefix container. The MDC text-field does
* not need to do this because they use a fixed width for prefixes. Hence, they can simply
* incorporate the horizontal offset into their default text-field styles.
*/
_updateOutlineLabelOffset() {
if (!this._platform.isBrowser || !this._hasOutline() || !this._floatingLabel) {
return;
}
const floatingLabel = this._floatingLabel.element;
// If no prefix is displayed, reset the outline label offset from potential
// previous label offset updates.
if (!(this._iconPrefixContainer || this._textPrefixContainer)) {
floatingLabel.style.transform = '';
return;
}
// If the form field is not attached to the DOM yet (e.g. in a tab), we defer
// the label offset update until the zone stabilizes.
if (!this._isAttachedToDom()) {
this._needsOutlineLabelOffsetUpdateOnStable = true;
return;
}
const iconPrefixContainer = this._iconPrefixContainer?.nativeElement;
const textPrefixContainer = this._textPrefixContainer?.nativeElement;
const iconPrefixContainerWidth = iconPrefixContainer?.getBoundingClientRect().width ?? 0;
const textPrefixContainerWidth = textPrefixContainer?.getBoundingClientRect().width ?? 0;
// If the directionality is RTL, the x-axis transform needs to be inverted. This
// is because `transformX` does not change based on the page directionality.
const negate = this._dir.value === 'rtl' ? '-1' : '1';
const prefixWidth = `${iconPrefixContainerWidth + textPrefixContainerWidth}px`;
const labelOffset = `var(--mat-mdc-form-field-label-offset-x, 0px)`;
const labelHorizontalOffset = `calc(${negate} * (${prefixWidth} + ${labelOffset}))`;
// Update the translateX of the floating label to account for the prefix container,
// but allow the CSS to override this setting via a CSS variable when the label is
// floating.
floatingLabel.style.transform = `var(
--mat-mdc-form-field-label-transform,
${FLOATING_LABEL_DEFAULT_DOCKED_TRANSFORM} translateX(${labelHorizontalOffset})
)`;
}
/** Checks whether the form field is attached to the DOM. */
_isAttachedToDom() {
const element = this._elementRef.nativeElement;
if (element.getRootNode) {
const rootNode = element.getRootNode();
// If the element is inside the DOM the root node will be either the document
// or the closest shadow root, otherwise it'll be the element itself.
return rootNode && rootNode !== element;
}
// Otherwise fall back to checking if it's in the document. This doesn't account for
// shadow DOM, however browser that support shadow DOM should support `getRootNode` as well.
return document.documentElement.contains(element);
}
}
MatFormField.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.0-rc.0", ngImport: i0, type: MatFormField, deps: [{ token: i0.ElementRef }, { token: i0.ChangeDetectorRef }, { token: i0.NgZone }, { token: i1.Directionality }, { token: i2.Platform }, { token: MAT_FORM_FIELD_DEFAULT_OPTIONS, optional: true }, { token: ANIMATION_MODULE_TYPE, optional: true }, { token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Component });
MatFormField.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.0-rc.0", type: MatFormField, selector: "mat-form-field", inputs: { hideRequiredMarker: "hideRequiredMarker", color: "color", floatLabel: "floatLabel", appearance: "appearance", subscriptSizing: "subscriptSizing", hintLabel: "hintLabel" }, host: { properties: { "class.mat-mdc-form-field-label-always-float": "_shouldAlwaysFloat()", "class.mat-mdc-form-field-has-icon-prefix": "_hasIconPrefix", "class.mat-mdc-form-field-has-icon-suffix": "_hasIconSuffix", "class.mat-form-field-invalid": "_control.errorState", "class.mat-form-field-disabled": "_control.disabled", "class.mat-form-field-autofilled": "_control.autofilled", "class.mat-form-field-no-animations": "_animationMode === \"NoopAnimations\"", "class.mat-form-field-appearance-fill": "appearance == \"fill\"", "class.mat-form-field-appearance-outline": "appearance == \"outline\"", "class.mat-form-field-hide-placeholder": "_hasFloatingLabel() && !_shouldLabelFloat()", "class.mat-focused": "_control.focused", "class.mat-primary": "color !== \"accent\" && color !== \"warn\"", "class.mat-accent": "color === \"accent\"", "class.mat-warn": "color === \"warn\"", "class.ng-untouched": "_shouldForward(\"untouched\")", "class.ng-touched": "_shouldForward(\"touched\")", "class.ng-pristine": "_shouldForward(\"pristine\")", "class.ng-dirty": "_shouldForward(\"dirty\")", "class.ng-valid": "_shouldForward(\"valid\")", "class.ng-invalid": "_shouldForward(\"invalid\")", "class.ng-pending": "_shouldForward(\"pending\")" }, classAttribute: "mat-mdc-form-field" }, providers: [{ provide: MAT_FORM_FIELD, useExisting: MatFormField }], queries: [{ propertyName: "_labelChildNonStatic", first: true, predicate: MatLabel, descendants: true }, { propertyName: "_labelChildStatic", first: true, predicate: MatLabel, descendants: true, static: true }, { propertyName: "_formFieldControl", first: true, predicate: MatFormFieldControl, descendants: true }, { propertyName: "_prefixChildren", predicate: MAT_PREFIX, descendants: true }, { propertyName: "_suffixChildren", predicate: MAT_SUFFIX, descendants: true }, { propertyName: "_errorChildren", predicate: MAT_ERROR, descendants: true }, { propertyName: "_hintChildren", predicate: MatHint, descendants: true }], viewQueries: [{ propertyName: "_textField", first: true, predicate: ["textField"], descendants: true }, { propertyName: "_iconPrefixContainer", first: true, predicate: ["iconPrefixContainer"], descendants: true }, { propertyName: "_textPrefixContainer", first: true, predicate: ["textPrefixContainer"], descendants: true }, { propertyName: "_floatingLabel", first: true, predicate: MatFormFieldFloatingLabel, descendants: true }, { propertyName: "_notchedOutline", first: true, predicate: MatFormFieldNotchedOutline, descendants: true }, { propertyName: "_lineRipple", first: true, predicate: MatFormFieldLineRipple, descendants: true }], exportAs: ["matFormField"], ngImport: i0, template: "<ng-template #labelTemplate>\n <!--\n MDC recommends that the text-field is a `<label>` element. This rather complicates the\n setup because it would require every form-field control to explicitly set `aria-labelledby`.\n This is because the `<label>` itself contains more than the actual label (e.g. prefix, suffix\n or other projected content), and screen readers could potentially read out undesired content.\n Excluding elements from being printed out requires them to be marked with `aria-hidden`, or\n the form control is set to a scoped element for the label (using `aria-labelledby`). Both of\n these options seem to complicate the setup because we know exactly what content is rendered\n as part of the label, and we don't want to spend resources on walking through projected content\n to set `aria-hidden`. Nor do we want to set `aria-labelledby` on every form control if we could\n simply link the label to the control using the label `for` attribute.\n\n *Note*: We add aria-owns as a workaround for an issue in JAWS & NVDA where the label isn't\n read if it comes before the control in the DOM.\n -->\n <label matFormFieldFloatingLabel\n [floating]=\"_shouldLabelFloat()\"\n *ngIf=\"_hasFloatingLabel()\"\n (cdkObserveContent)=\"_refreshOutlineNotchWidth()\"\n [cdkObserveContentDisabled]=\"!_hasOutline()\"\n [id]=\"_labelId\"\n [attr.for]=\"_control.id\"\n [attr.aria-owns]=\"_control.id\">\n <ng-content select=\"mat-label\"></ng-content>\n <!--\n We set the required marker as a separate element, in order to make it easier to target if\n apps want to override it and to be able to set `aria-hidden` so that screen readers don't\n pick it up.\n -->\n <span\n *ngIf=\"!hideRequiredMarker && _control.required\"\n aria-hidden=\"true\"\n class=\"mat-mdc-form-field-required-marker mdc-floating-label--required\"></span>\n </label>\n</ng-template>\n\n<div class=\"mat-mdc-text-field-wrapper mdc-text-field\" #textField\n [class.mdc-text-field--filled]=\"!_hasOutline()\"\n [class.mdc-text-field--outlined]=\"_hasOutline()\"\n [class.mdc-text-field--no-label]=\"!_hasFloatingLabel()\"\n [class.mdc-text-field--disabled]=\"_control.disabled\"\n [class.mdc-text-field--invalid]=\"_control.errorState\"\n (click)=\"_control.onContainerClick && _control.onContainerClick($event)\">\n <div class=\"mat-mdc-form-field-focus-overlay\" *ngIf=\"!_hasOutline() && !_control.disabled\"></div>\n <div class=\"mat-mdc-form-field-flex\">\n <div *ngIf=\"_hasOutline()\" matFormFieldNotchedOutline\n [matFormFieldNotchedOutlineOpen]=\"_shouldLabelFloat()\"\n [matFormFieldNotchedOutlineLabelWidth]=\"_labelWidth\">\n <ng-template [ngIf]=\"!_forceDisplayInfixLabel()\">\n <ng-template [ngTemplateOutlet]=\"labelTemplate\"></ng-template>\n </ng-template>\n </div>\n\n <div class=\"mat-mdc-form-field-icon-prefix\" *ngIf=\"_hasIconPrefix\" #iconPrefixContainer>\n <ng-content select=\"[matPrefix], [matIconPrefix]\"></ng-content>\n </div>\n <div class=\"mat-mdc-form-field-text-prefix\" *ngIf=\"_hasTextPrefix\" #textPrefixContainer>\n <ng-content select=\"[matTextPrefix]\"></ng-content>\n </div>\n\n <div class=\"mat-mdc-form-field-infix\">\n <ng-template [ngIf]=\"!_hasOutline() || _forceDisplayInfixLabel()\">\n <ng-template [ngTemplateOutlet]=\"labelTemplate\"></ng-template>\n </ng-template>\n\n <ng-content></ng-content>\n </div>\n\n <div class=\"mat-mdc-form-field-text-suffix\" *ngIf=\"_hasTextSuffix\">\n <ng-content select=\"[matTextSuffix]\"></ng-content>\n </div>\n <div class=\"mat-mdc-form-field-icon-suffix\" *ngIf=\"_hasIconSuffix\">\n <ng-content select=\"[matSuffix], [matIconSuffix]\"></ng-content>\n </div>\n </div>\n\n <div matFormFieldLineRipple *ngIf=\"!_hasOutline()\"></div>\n</div>\n\n<div class=\"mat-mdc-form-field-subscript-wrapper mat-mdc-form-field-bottom-align\"\n [class.mat-mdc-form-field-subscript-dynamic-size]=\"subscriptSizing === 'dynamic'\"\n [ngSwitch]=\"_getDisplayedMessages()\">\n <div class=\"mat-mdc-form-field-error-wrapper\" *ngSwitchCase=\"'error'\"\n [@transitionMessages]=\"_subscriptAnimationState\">\n <ng-content select=\"mat-error, [matError]\"></ng-content>\n </div>\n\n <div class=\"mat-mdc-form-field-hint-wrapper\" *ngSwitchCase=\"'hint'\"\n [@transitionMessages]=\"_subscriptAnimationState\">\n <mat-hint *ngIf=\"hintLabel\" [id]=\"_hintLabelId\">{{hintLabel}}</mat-hint>\n <ng-content select=\"mat-hint:not([align='end'])\"></ng-content>\n <div class=\"mat-mdc-form-field-hint-spacer\"></div>\n <ng-content select=\"mat-hint[align='end']\"></ng-content>\n </div>\n</div>\n", styles: [".mdc-text-field{border-top-left-radius:var(--mdc-shape-small, 4px);border-top-right-radius:var(--mdc-shape-small, 4px);border-bottom-right-radius:0;border-bottom-left-radius:0;display:inline-flex;align-items:baseline;padding:0 16px;position:relative;box-sizing:border-box;overflow:hidden;will-change:opacity,transform,color}.mdc-text-field .mdc-floating-label{top:50%;transform:translateY(-50%);pointer-events:none}.mdc-text-field__input{height:28px;width:100%;min-width:0;border:none;border-radius:0;background:none;appearance:none;padding:0}.mdc-text-field__input::-ms-clear{display:none}.mdc-text-field__input::-webkit-calendar-picker-indicator{display:none}.mdc-text-field__input:focus{outline:none}.mdc-text-field__input:invalid{box-shadow:none}@media all{.mdc-text-field__input::placeholder{opacity:0}}@media all{.mdc-text-field__input:-ms-input-placeholder{opacity:0}}@media all{.mdc-text-field--no-label .mdc-text-field__input::placeholder,.mdc-text-field--focused .mdc-text-field__input::placeholder{opacity:1}}@media all{.mdc-text-field--no-label 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