import * as i0 from '@angular/core';
import { forwardRef, InjectionToken, EventEmitter, Directive, Output, Input, ViewChild, ContentChildren, Component, ViewEncapsulation, ChangeDetectionStrategy, Optional, Inject, Attribute, NgModule } from '@angular/core';
import * as i3 from '@angular/material/core';
import { mixinDisableRipple, mixinTabIndex, MatCommonModule, MatRippleModule } from '@angular/material/core';
import * as i1 from '@angular/cdk/a11y';
import { coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';
import * as i2 from '@angular/cdk/collections';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { CommonModule } from '@angular/common';
// Increasing integer for generating unique ids for radio components.
let nextUniqueId = 0;
/** Change event object emitted by radio button and radio group. */
class MatRadioChange {
constructor(
/** The radio button that emits the change event. */
source,
/** The value of the radio button. */
value) {
this.source = source;
this.value = value;
}
}
/**
* Provider Expression that allows mat-radio-group to register as a ControlValueAccessor. This
* allows it to support [(ngModel)] and ngControl.
* @docs-private
*/
const MAT_RADIO_GROUP_CONTROL_VALUE_ACCESSOR = {
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => MatRadioGroup),
multi: true,
};
/**
* Injection token that can be used to inject instances of `MatRadioGroup`. It serves as
* alternative token to the actual `MatRadioGroup` class which could cause unnecessary
* retention of the class and its component metadata.
*/
const MAT_RADIO_GROUP = new InjectionToken('MatRadioGroup');
const MAT_RADIO_DEFAULT_OPTIONS = new InjectionToken('mat-radio-default-options', {
providedIn: 'root',
factory: MAT_RADIO_DEFAULT_OPTIONS_FACTORY,
});
function MAT_RADIO_DEFAULT_OPTIONS_FACTORY() {
return {
color: 'accent',
};
}
/**
* Base class with all of the `MatRadioGroup` functionality.
* @docs-private
*/
class _MatRadioGroupBase {
/** Name of the radio button group. All radio buttons inside this group will use this name. */
get name() {
return this._name;
}
set name(value) {
this._name = value;
this._updateRadioButtonNames();
}
/** Whether the labels should appear after or before the radio-buttons. Defaults to 'after' */
get labelPosition() {
return this._labelPosition;
}
set labelPosition(v) {
this._labelPosition = v === 'before' ? 'before' : 'after';
this._markRadiosForCheck();
}
/**
* Value for the radio-group. Should equal the value of the selected radio button if there is
* a corresponding radio button with a matching value. If there is not such a corresponding
* radio button, this value persists to be applied in case a new radio button is added with a
* matching value.
*/
get value() {
return this._value;
}
set value(newValue) {
if (this._value !== newValue) {
// Set this before proceeding to ensure no circular loop occurs with selection.
this._value = newValue;
this._updateSelectedRadioFromValue();
this._checkSelectedRadioButton();
}
}
_checkSelectedRadioButton() {
if (this._selected && !this._selected.checked) {
this._selected.checked = true;
}
}
/**
* The currently selected radio button. If set to a new radio button, the radio group value
* will be updated to match the new selected button.
*/
get selected() {
return this._selected;
}
set selected(selected) {
this._selected = selected;
this.value = selected ? selected.value : null;
this._checkSelectedRadioButton();
}
/** Whether the radio group is disabled */
get disabled() {
return this._disabled;
}
set disabled(value) {
this._disabled = coerceBooleanProperty(value);
this._markRadiosForCheck();
}
/** Whether the radio group is required */
get required() {
return this._required;
}
set required(value) {
this._required = coerceBooleanProperty(value);
this._markRadiosForCheck();
}
constructor(_changeDetector) {
this._changeDetector = _changeDetector;
/** Selected value for the radio group. */
this._value = null;
/** The HTML name attribute applied to radio buttons in this group. */
this._name = `mat-radio-group-${nextUniqueId++}`;
/** The currently selected radio button. Should match value. */
this._selected = null;
/** Whether the `value` has been set to its initial value. */
this._isInitialized = false;
/** Whether the labels should appear after or before the radio-buttons. Defaults to 'after' */
this._labelPosition = 'after';
/** Whether the radio group is disabled. */
this._disabled = false;
/** Whether the radio group is required. */
this._required = false;
/** The method to be called in order to update ngModel */
this._controlValueAccessorChangeFn = () => { };
/**
* onTouch function registered via registerOnTouch (ControlValueAccessor).
* @docs-private
*/
this.onTouched = () => { };
/**
* Event emitted when the group value changes.
* Change events are only emitted when the value changes due to user interaction with
* a radio button (the same behavior as ``).
*/
this.change = new EventEmitter();
}
/**
* Initialize properties once content children are available.
* This allows us to propagate relevant attributes to associated buttons.
*/
ngAfterContentInit() {
// Mark this component as initialized in AfterContentInit because the initial value can
// possibly be set by NgModel on MatRadioGroup, and it is possible that the OnInit of the
// NgModel occurs *after* the OnInit of the MatRadioGroup.
this._isInitialized = true;
// Clear the `selected` button when it's destroyed since the tabindex of the rest of the
// buttons depends on it. Note that we don't clear the `value`, because the radio button
// may be swapped out with a similar one and there are some internal apps that depend on
// that behavior.
this._buttonChanges = this._radios.changes.subscribe(() => {
if (this.selected && !this._radios.find(radio => radio === this.selected)) {
this._selected = null;
}
});
}
ngOnDestroy() {
this._buttonChanges?.unsubscribe();
}
/**
* Mark this group as being "touched" (for ngModel). Meant to be called by the contained
* radio buttons upon their blur.
*/
_touch() {
if (this.onTouched) {
this.onTouched();
}
}
_updateRadioButtonNames() {
if (this._radios) {
this._radios.forEach(radio => {
radio.name = this.name;
radio._markForCheck();
});
}
}
/** Updates the `selected` radio button from the internal _value state. */
_updateSelectedRadioFromValue() {
// If the value already matches the selected radio, do nothing.
const isAlreadySelected = this._selected !== null && this._selected.value === this._value;
if (this._radios && !isAlreadySelected) {
this._selected = null;
this._radios.forEach(radio => {
radio.checked = this.value === radio.value;
if (radio.checked) {
this._selected = radio;
}
});
}
}
/** Dispatch change event with current selection and group value. */
_emitChangeEvent() {
if (this._isInitialized) {
this.change.emit(new MatRadioChange(this._selected, this._value));
}
}
_markRadiosForCheck() {
if (this._radios) {
this._radios.forEach(radio => radio._markForCheck());
}
}
/**
* Sets the model value. Implemented as part of ControlValueAccessor.
* @param value
*/
writeValue(value) {
this.value = value;
this._changeDetector.markForCheck();
}
/**
* Registers a callback to be triggered when the model value changes.
* Implemented as part of ControlValueAccessor.
* @param fn Callback to be registered.
*/
registerOnChange(fn) {
this._controlValueAccessorChangeFn = fn;
}
/**
* Registers a callback to be triggered when the control is touched.
* Implemented as part of ControlValueAccessor.
* @param fn Callback to be registered.
*/
registerOnTouched(fn) {
this.onTouched = fn;
}
/**
* Sets the disabled state of the control. Implemented as a part of ControlValueAccessor.
* @param isDisabled Whether the control should be disabled.
*/
setDisabledState(isDisabled) {
this.disabled = isDisabled;
this._changeDetector.markForCheck();
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: _MatRadioGroupBase, deps: [{ token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: _MatRadioGroupBase, inputs: { color: "color", name: "name", labelPosition: "labelPosition", value: "value", selected: "selected", disabled: "disabled", required: "required" }, outputs: { change: "change" }, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: _MatRadioGroupBase, decorators: [{
type: Directive
}], ctorParameters: function () { return [{ type: i0.ChangeDetectorRef }]; }, propDecorators: { change: [{
type: Output
}], color: [{
type: Input
}], name: [{
type: Input
}], labelPosition: [{
type: Input
}], value: [{
type: Input
}], selected: [{
type: Input
}], disabled: [{
type: Input
}], required: [{
type: Input
}] } });
// Boilerplate for applying mixins to MatRadioButton.
/** @docs-private */
class MatRadioButtonBase {
constructor(_elementRef) {
this._elementRef = _elementRef;
}
}
const _MatRadioButtonMixinBase = mixinDisableRipple(mixinTabIndex(MatRadioButtonBase));
/**
* Base class with all of the `MatRadioButton` functionality.
* @docs-private
*/
class _MatRadioButtonBase extends _MatRadioButtonMixinBase {
/** Whether this radio button is checked. */
get checked() {
return this._checked;
}
set checked(value) {
const newCheckedState = coerceBooleanProperty(value);
if (this._checked !== newCheckedState) {
this._checked = newCheckedState;
if (newCheckedState && this.radioGroup && this.radioGroup.value !== this.value) {
this.radioGroup.selected = this;
}
else if (!newCheckedState && this.radioGroup && this.radioGroup.value === this.value) {
// When unchecking the selected radio button, update the selected radio
// property on the group.
this.radioGroup.selected = null;
}
if (newCheckedState) {
// Notify all radio buttons with the same name to un-check.
this._radioDispatcher.notify(this.id, this.name);
}
this._changeDetector.markForCheck();
}
}
/** The value of this radio button. */
get value() {
return this._value;
}
set value(value) {
if (this._value !== value) {
this._value = value;
if (this.radioGroup !== null) {
if (!this.checked) {
// Update checked when the value changed to match the radio group's value
this.checked = this.radioGroup.value === value;
}
if (this.checked) {
this.radioGroup.selected = this;
}
}
}
}
/** Whether the label should appear after or before the radio button. Defaults to 'after' */
get labelPosition() {
return this._labelPosition || (this.radioGroup && this.radioGroup.labelPosition) || 'after';
}
set labelPosition(value) {
this._labelPosition = value;
}
/** Whether the radio button is disabled. */
get disabled() {
return this._disabled || (this.radioGroup !== null && this.radioGroup.disabled);
}
set disabled(value) {
this._setDisabled(coerceBooleanProperty(value));
}
/** Whether the radio button is required. */
get required() {
return this._required || (this.radioGroup && this.radioGroup.required);
}
set required(value) {
this._required = coerceBooleanProperty(value);
}
/** Theme color of the radio button. */
get color() {
// As per Material design specifications the selection control radio should use the accent color
// palette by default. https://material.io/guidelines/components/selection-controls.html
return (this._color ||
(this.radioGroup && this.radioGroup.color) ||
(this._providerOverride && this._providerOverride.color) ||
'accent');
}
set color(newValue) {
this._color = newValue;
}
/** ID of the native input element inside `` */
get inputId() {
return `${this.id || this._uniqueId}-input`;
}
constructor(radioGroup, elementRef, _changeDetector, _focusMonitor, _radioDispatcher, animationMode, _providerOverride, tabIndex) {
super(elementRef);
this._changeDetector = _changeDetector;
this._focusMonitor = _focusMonitor;
this._radioDispatcher = _radioDispatcher;
this._providerOverride = _providerOverride;
this._uniqueId = `mat-radio-${++nextUniqueId}`;
/** The unique ID for the radio button. */
this.id = this._uniqueId;
/**
* Event emitted when the checked state of this radio button changes.
* Change events are only emitted when the value changes due to user interaction with
* the radio button (the same behavior as ``).
*/
this.change = new EventEmitter();
/** Whether this radio is checked. */
this._checked = false;
/** Value assigned to this radio. */
this._value = null;
/** Unregister function for _radioDispatcher */
this._removeUniqueSelectionListener = () => { };
// Assertions. Ideally these should be stripped out by the compiler.
// TODO(jelbourn): Assert that there's no name binding AND a parent radio group.
this.radioGroup = radioGroup;
this._noopAnimations = animationMode === 'NoopAnimations';
if (tabIndex) {
this.tabIndex = coerceNumberProperty(tabIndex, 0);
}
}
/** Focuses the radio button. */
focus(options, origin) {
if (origin) {
this._focusMonitor.focusVia(this._inputElement, origin, options);
}
else {
this._inputElement.nativeElement.focus(options);
}
}
/**
* Marks the radio button as needing checking for change detection.
* This method is exposed because the parent radio group will directly
* update bound properties of the radio button.
*/
_markForCheck() {
// When group value changes, the button will not be notified. Use `markForCheck` to explicit
// update radio button's status
this._changeDetector.markForCheck();
}
ngOnInit() {
if (this.radioGroup) {
// If the radio is inside a radio group, determine if it should be checked
this.checked = this.radioGroup.value === this._value;
if (this.checked) {
this.radioGroup.selected = this;
}
// Copy name from parent radio group
this.name = this.radioGroup.name;
}
this._removeUniqueSelectionListener = this._radioDispatcher.listen((id, name) => {
if (id !== this.id && name === this.name) {
this.checked = false;
}
});
}
ngDoCheck() {
this._updateTabIndex();
}
ngAfterViewInit() {
this._updateTabIndex();
this._focusMonitor.monitor(this._elementRef, true).subscribe(focusOrigin => {
if (!focusOrigin && this.radioGroup) {
this.radioGroup._touch();
}
});
}
ngOnDestroy() {
this._focusMonitor.stopMonitoring(this._elementRef);
this._removeUniqueSelectionListener();
}
/** Dispatch change event with current value. */
_emitChangeEvent() {
this.change.emit(new MatRadioChange(this, this._value));
}
_isRippleDisabled() {
return this.disableRipple || this.disabled;
}
_onInputClick(event) {
// We have to stop propagation for click events on the visual hidden input element.
// By default, when a user clicks on a label element, a generated click event will be
// dispatched on the associated input element. Since we are using a label element as our
// root container, the click event on the `radio-button` will be executed twice.
// The real click event will bubble up, and the generated click event also tries to bubble up.
// This will lead to multiple click events.
// Preventing bubbling for the second event will solve that issue.
event.stopPropagation();
}
/** Triggered when the radio button receives an interaction from the user. */
_onInputInteraction(event) {
// We always have to stop propagation on the change event.
// Otherwise the change event, from the input element, will bubble up and
// emit its event object to the `change` output.
event.stopPropagation();
if (!this.checked && !this.disabled) {
const groupValueChanged = this.radioGroup && this.value !== this.radioGroup.value;
this.checked = true;
this._emitChangeEvent();
if (this.radioGroup) {
this.radioGroup._controlValueAccessorChangeFn(this.value);
if (groupValueChanged) {
this.radioGroup._emitChangeEvent();
}
}
}
}
/** Triggered when the user clicks on the touch target. */
_onTouchTargetClick(event) {
this._onInputInteraction(event);
if (!this.disabled) {
// Normally the input should be focused already, but if the click
// comes from the touch target, then we might have to focus it ourselves.
this._inputElement.nativeElement.focus();
}
}
/** Sets the disabled state and marks for check if a change occurred. */
_setDisabled(value) {
if (this._disabled !== value) {
this._disabled = value;
this._changeDetector.markForCheck();
}
}
/** Gets the tabindex for the underlying input element. */
_updateTabIndex() {
const group = this.radioGroup;
let value;
// Implement a roving tabindex if the button is inside a group. For most cases this isn't
// necessary, because the browser handles the tab order for inputs inside a group automatically,
// but we need an explicitly higher tabindex for the selected button in order for things like
// the focus trap to pick it up correctly.
if (!group || !group.selected || this.disabled) {
value = this.tabIndex;
}
else {
value = group.selected === this ? this.tabIndex : -1;
}
if (value !== this._previousTabIndex) {
// We have to set the tabindex directly on the DOM node, because it depends on
// the selected state which is prone to "changed after checked errors".
const input = this._inputElement?.nativeElement;
if (input) {
input.setAttribute('tabindex', value + '');
this._previousTabIndex = value;
}
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: _MatRadioButtonBase, deps: "invalid", target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: _MatRadioButtonBase, inputs: { id: "id", name: "name", ariaLabel: ["aria-label", "ariaLabel"], ariaLabelledby: ["aria-labelledby", "ariaLabelledby"], ariaDescribedby: ["aria-describedby", "ariaDescribedby"], checked: "checked", value: "value", labelPosition: "labelPosition", disabled: "disabled", required: "required", color: "color" }, outputs: { change: "change" }, viewQueries: [{ propertyName: "_inputElement", first: true, predicate: ["input"], descendants: true }], usesInheritance: true, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: _MatRadioButtonBase, decorators: [{
type: Directive
}], ctorParameters: function () { return [{ type: _MatRadioGroupBase }, { type: i0.ElementRef }, { type: i0.ChangeDetectorRef }, { type: i1.FocusMonitor }, { type: i2.UniqueSelectionDispatcher }, { type: undefined }, { type: undefined }, { type: undefined }]; }, propDecorators: { id: [{
type: Input
}], name: [{
type: Input
}], ariaLabel: [{
type: Input,
args: ['aria-label']
}], ariaLabelledby: [{
type: Input,
args: ['aria-labelledby']
}], ariaDescribedby: [{
type: Input,
args: ['aria-describedby']
}], checked: [{
type: Input
}], value: [{
type: Input
}], labelPosition: [{
type: Input
}], disabled: [{
type: Input
}], required: [{
type: Input
}], color: [{
type: Input
}], change: [{
type: Output
}], _inputElement: [{
type: ViewChild,
args: ['input']
}] } });
/**
* A group of radio buttons. May contain one or more `` elements.
*/
class MatRadioGroup extends _MatRadioGroupBase {
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatRadioGroup, deps: null, target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.1.1", type: MatRadioGroup, selector: "mat-radio-group", host: { attributes: { "role": "radiogroup" }, classAttribute: "mat-mdc-radio-group" }, providers: [
MAT_RADIO_GROUP_CONTROL_VALUE_ACCESSOR,
{ provide: MAT_RADIO_GROUP, useExisting: MatRadioGroup },
], queries: [{ propertyName: "_radios", predicate: i0.forwardRef(function () { return MatRadioButton; }), descendants: true }], exportAs: ["matRadioGroup"], usesInheritance: true, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatRadioGroup, decorators: [{
type: Directive,
args: [{
selector: 'mat-radio-group',
exportAs: 'matRadioGroup',
providers: [
MAT_RADIO_GROUP_CONTROL_VALUE_ACCESSOR,
{ provide: MAT_RADIO_GROUP, useExisting: MatRadioGroup },
],
host: {
'role': 'radiogroup',
'class': 'mat-mdc-radio-group',
},
}]
}], propDecorators: { _radios: [{
type: ContentChildren,
args: [forwardRef(() => MatRadioButton), { descendants: true }]
}] } });
class MatRadioButton extends _MatRadioButtonBase {
constructor(radioGroup, elementRef, _changeDetector, _focusMonitor, _radioDispatcher, animationMode, _providerOverride, tabIndex) {
super(radioGroup, elementRef, _changeDetector, _focusMonitor, _radioDispatcher, animationMode, _providerOverride, tabIndex);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.1.1", ngImport: i0, type: MatRadioButton, deps: [{ token: MAT_RADIO_GROUP, optional: true }, { token: i0.ElementRef }, { token: i0.ChangeDetectorRef }, { token: i1.FocusMonitor }, { token: i2.UniqueSelectionDispatcher }, { token: ANIMATION_MODULE_TYPE, optional: true }, { token: MAT_RADIO_DEFAULT_OPTIONS, optional: true }, { token: 'tabindex', attribute: true }], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "16.1.1", type: MatRadioButton, selector: "mat-radio-button", inputs: { disableRipple: "disableRipple", tabIndex: "tabIndex" }, host: { listeners: { "focus": "_inputElement.nativeElement.focus()" }, properties: { "attr.id": "id", "class.mat-primary": "color === \"primary\"", "class.mat-accent": "color === \"accent\"", "class.mat-warn": "color === \"warn\"", "class.mat-mdc-radio-checked": "checked", "class._mat-animation-noopable": "_noopAnimations", "attr.tabindex": "null", "attr.aria-label": "null", "attr.aria-labelledby": "null", "attr.aria-describedby": "null" }, classAttribute: "mat-mdc-radio-button" }, exportAs: ["matRadioButton"], usesInheritance: true, ngImport: i0, template: "