import { InjectionToken, forwardRef, EventEmitter, Directive, ChangeDetectorRef, Output, Input, ContentChildren, ElementRef, ViewChild, Component, ViewEncapsulation, ChangeDetectionStrategy, Optional, Inject, Attribute, NgModule } from '@angular/core';
import { mixinDisableRipple, mixinTabIndex, MatRippleModule, MatCommonModule } from '@angular/material/core';
import { FocusMonitor } from '@angular/cdk/a11y';
import { coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';
import { UniqueSelectionDispatcher } from '@angular/cdk/collections';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';
/**
* @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
*/
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'
};
}
// Increasing integer for generating unique ids for radio components.
let nextUniqueId = 0;
/**
* 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
};
/** Change event object emitted by MatRadio and MatRadioGroup. */
class MatRadioChange {
constructor(
/** The MatRadioButton that emits the change event. */
source,
/** The value of the MatRadioButton. */
value) {
this.source = source;
this.value = value;
}
}
/**
* 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');
/**
* Base class with all of the `MatRadioGroup` functionality.
* @docs-private
*/
class _MatRadioGroupBase {
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();
}
/** 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();
}
/**
* 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;
}
/**
* 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();
}
}
_MatRadioGroupBase.decorators = [
{ type: Directive }
];
_MatRadioGroupBase.ctorParameters = () => [
{ type: ChangeDetectorRef }
];
_MatRadioGroupBase.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 }]
};
/**
* A group of radio buttons. May contain one or more `` elements.
*/
class MatRadioGroup extends _MatRadioGroupBase {
}
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-radio-group',
},
},] }
];
MatRadioGroup.propDecorators = {
_radios: [{ type: ContentChildren, args: [forwardRef(() => MatRadioButton), { descendants: true },] }]
};
// 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 {
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);
}
this._removeUniqueSelectionListener =
_radioDispatcher.listen((id, name) => {
if (id !== this.id && name === this.name) {
this.checked = false;
}
});
}
/** 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`; }
/** 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;
}
}
ngAfterViewInit() {
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();
}
}
}
}
/** Sets the disabled state and marks for check if a change occurred. */
_setDisabled(value) {
if (this._disabled !== value) {
this._disabled = value;
this._changeDetector.markForCheck();
}
}
}
_MatRadioButtonBase.decorators = [
{ type: Directive }
];
_MatRadioButtonBase.ctorParameters = () => [
{ type: _MatRadioGroupBase },
{ type: ElementRef },
{ type: ChangeDetectorRef },
{ type: FocusMonitor },
{ type: UniqueSelectionDispatcher },
{ type: String },
{ type: undefined },
{ type: String }
];
_MatRadioButtonBase.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 Material design radio-button. Typically placed inside of `` elements.
*/
class MatRadioButton extends _MatRadioButtonBase {
constructor(radioGroup, elementRef, changeDetector, focusMonitor, radioDispatcher, animationMode, providerOverride, tabIndex) {
super(radioGroup, elementRef, changeDetector, focusMonitor, radioDispatcher, animationMode, providerOverride, tabIndex);
}
}
MatRadioButton.decorators = [
{ type: Component, args: [{
selector: 'mat-radio-button',
template: "\n\n\n",
inputs: ['disableRipple', 'tabIndex'],
encapsulation: ViewEncapsulation.None,
exportAs: 'matRadioButton',
host: {
'class': 'mat-radio-button',
'[class.mat-radio-checked]': 'checked',
'[class.mat-radio-disabled]': 'disabled',
'[class._mat-animation-noopable]': '_noopAnimations',
'[class.mat-primary]': 'color === "primary"',
'[class.mat-accent]': 'color === "accent"',
'[class.mat-warn]': 'color === "warn"',
// Needs to be removed since it causes some a11y issues (see #21266).
'[attr.tabindex]': 'null',
'[attr.id]': 'id',
'[attr.aria-label]': 'null',
'[attr.aria-labelledby]': 'null',
'[attr.aria-describedby]': 'null',
// Note: under normal conditions focus shouldn't land on this element, however it may be
// programmatically set, for example inside of a focus trap, in this case we want to forward
// the focus to the native element.
'(focus)': '_inputElement.nativeElement.focus()',
},
changeDetection: ChangeDetectionStrategy.OnPush,
styles: [".mat-radio-button{display:inline-block;-webkit-tap-highlight-color:transparent;outline:0}.mat-radio-label{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;display:inline-flex;align-items:center;white-space:nowrap;vertical-align:middle;width:100%}.mat-radio-container{box-sizing:border-box;display:inline-block;position:relative;width:20px;height:20px;flex-shrink:0}.mat-radio-outer-circle{box-sizing:border-box;display:block;height:20px;left:0;position:absolute;top:0;transition:border-color ease 280ms;width:20px;border-width:2px;border-style:solid;border-radius:50%}._mat-animation-noopable .mat-radio-outer-circle{transition:none}.mat-radio-inner-circle{border-radius:50%;box-sizing:border-box;display:block;height:20px;left:0;position:absolute;top:0;opacity:0;transition:transform ease 280ms,background-color ease 280ms,opacity linear 1ms 280ms;width:20px;transform:scale(0.001);-webkit-print-color-adjust:exact;color-adjust:exact}.mat-radio-checked .mat-radio-inner-circle{transform:scale(0.5);opacity:1;transition:transform ease 280ms,background-color ease 280ms}.cdk-high-contrast-active .mat-radio-checked .mat-radio-inner-circle{border:solid 10px}._mat-animation-noopable .mat-radio-inner-circle{transition:none}.mat-radio-label-content{-webkit-user-select:auto;-moz-user-select:auto;-ms-user-select:auto;user-select:auto;display:inline-block;order:0;line-height:inherit;padding-left:8px;padding-right:0}[dir=rtl] .mat-radio-label-content{padding-right:8px;padding-left:0}.mat-radio-label-content.mat-radio-label-before{order:-1;padding-left:0;padding-right:8px}[dir=rtl] .mat-radio-label-content.mat-radio-label-before{padding-right:0;padding-left:8px}.mat-radio-disabled,.mat-radio-disabled .mat-radio-label{cursor:default}.mat-radio-button .mat-radio-ripple{position:absolute;left:calc(50% - 20px);top:calc(50% - 20px);height:40px;width:40px;z-index:1;pointer-events:none}.mat-radio-button .mat-radio-ripple .mat-ripple-element:not(.mat-radio-persistent-ripple){opacity:.16}.mat-radio-persistent-ripple{width:100%;height:100%;transform:none;top:0;left:0}.mat-radio-container:hover .mat-radio-persistent-ripple{opacity:.04}.mat-radio-button:not(.mat-radio-disabled).cdk-keyboard-focused .mat-radio-persistent-ripple,.mat-radio-button:not(.mat-radio-disabled).cdk-program-focused .mat-radio-persistent-ripple{opacity:.12}.mat-radio-persistent-ripple,.mat-radio-disabled .mat-radio-container:hover .mat-radio-persistent-ripple{opacity:0}@media(hover: none){.mat-radio-container:hover .mat-radio-persistent-ripple{display:none}}.mat-radio-input{bottom:0;left:50%}.cdk-high-contrast-active .mat-radio-button:not(.mat-radio-disabled).cdk-keyboard-focused .mat-radio-ripple,.cdk-high-contrast-active .mat-radio-button:not(.mat-radio-disabled).cdk-program-focused .mat-radio-ripple{outline:solid 3px}.cdk-high-contrast-active .mat-radio-disabled{opacity:.5}\n"]
},] }
];
MatRadioButton.ctorParameters = () => [
{ type: MatRadioGroup, decorators: [{ type: Optional }, { type: Inject, args: [MAT_RADIO_GROUP,] }] },
{ type: ElementRef },
{ type: ChangeDetectorRef },
{ type: FocusMonitor },
{ type: UniqueSelectionDispatcher },
{ type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_RADIO_DEFAULT_OPTIONS,] }] },
{ type: String, decorators: [{ type: Attribute, args: ['tabindex',] }] }
];
/**
* @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
*/
class MatRadioModule {
}
MatRadioModule.decorators = [
{ type: NgModule, args: [{
imports: [MatRippleModule, MatCommonModule],
exports: [MatRadioGroup, MatRadioButton, MatCommonModule],
declarations: [MatRadioGroup, MatRadioButton],
},] }
];
/**
* @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
*/
/**
* Generated bundle index. Do not edit.
*/
export { MAT_RADIO_DEFAULT_OPTIONS, MAT_RADIO_DEFAULT_OPTIONS_FACTORY, MAT_RADIO_GROUP, MAT_RADIO_GROUP_CONTROL_VALUE_ACCESSOR, MatRadioButton, MatRadioChange, MatRadioGroup, MatRadioModule, _MatRadioButtonBase, _MatRadioGroupBase };
//# sourceMappingURL=radio.js.map