@angular-mdc/web/esm2015/radio.js

Angular MDC

/**
 * @license
 * Copyright (c) Dominic Carretto
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/trimox/angular-mdc-web/blob/master/LICENSE
 */
import { InjectionToken, EventEmitter, Component, ViewEncapsulation, ChangeDetectionStrategy, ChangeDetectorRef, ElementRef, Optional, Inject, Input, Output, ViewChild, forwardRef, ContentChildren, NgModule } from '@angular/core';
import { MdcFormFieldControl, MdcFormField, MdcFormFieldModule } from '@angular-mdc/web/form-field';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { UniqueSelectionDispatcher } from '@angular/cdk/collections';
import { supportsPassiveEventListeners } from '@angular/cdk/platform';
import { MDCRippleFoundation } from '@material/ripple';
import { MDCRadioFoundation } from '@material/radio';
import { MdcRipple } from '@angular-mdc/web/ripple';
import { MDCComponent } from '@angular-mdc/web/base';
import { NG_VALUE_ACCESSOR } from '@angular/forms';

/**
 * @fileoverview added by tsickle
 * Generated from: radio/radio.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Injection token used to provide the parent MdcRadioGroup component to MdcRadio.
 * @type {?}
 */
const MDC_RADIO_GROUP_PARENT_COMPONENT = new InjectionToken('MDC_RADIO_GROUP_PARENT_COMPONENT');
/**
 * Change event object emitted by MdcRadio.
 */
class MdcRadioChange {
    /**
     * @param {?} source
     * @param {?} value
     */
    constructor(source, value) {
        this.source = source;
        this.value = value;
    }
}
/** @type {?} */
let nextUniqueId = 0;
class MdcRadio extends MDCComponent {
    /**
     * @param {?} _changeDetectorRef
     * @param {?} elementRef
     * @param {?} ripple
     * @param {?} _radioDispatcher
     * @param {?} radioGroup
     * @param {?} _parentFormField
     */
    constructor(_changeDetectorRef, elementRef, ripple, _radioDispatcher, radioGroup, _parentFormField) {
        super(elementRef);
        this._changeDetectorRef = _changeDetectorRef;
        this.elementRef = elementRef;
        this.ripple = ripple;
        this._radioDispatcher = _radioDispatcher;
        this.radioGroup = radioGroup;
        this._parentFormField = _parentFormField;
        this._uniqueId = `mdc-radio-${++nextUniqueId}`;
        this._initialized = false;
        /**
         * The unique ID for the radio button.
         */
        this.id = this._uniqueId;
        this.tabIndex = 0;
        this._touch = false;
        this._checked = false;
        this._disabled = false;
        this._required = false;
        this.change = new EventEmitter();
        /**
         * Unregister function for _radioDispatcher
         */
        this._removeUniqueSelectionListener = (/**
         * @return {?}
         */
        () => { });
        if (this._parentFormField) {
            _parentFormField.elementRef.nativeElement.classList.add('mdc-form-field');
        }
        this._root = elementRef.nativeElement;
        this.ripple = this._createRipple();
        this._removeUniqueSelectionListener =
            _radioDispatcher.listen((/**
             * @param {?} id
             * @param {?} name
             * @return {?}
             */
            (id, name) => {
                if (id !== this.id && name === this.name) {
                    // Get the checked state from native radio button. The native radio buttons with the same
                    // name have separate unique selection in different form containers.
                    this.checked = this.input.nativeElement.checked;
                }
            }));
    }
    /**
     * @return {?}
     */
    get inputId() {
        return `${this.id || this._uniqueId}-input`;
    }
    /**
     * @return {?}
     */
    get touch() {
        return this._touch;
    }
    /**
     * @param {?} value
     * @return {?}
     */
    set touch(value) {
        this._touch = coerceBooleanProperty(value);
    }
    /**
     * @return {?}
     */
    get value() {
        return this._value;
    }
    /**
     * @param {?} newValue
     * @return {?}
     */
    set value(newValue) {
        this.setValue(newValue);
    }
    /**
     * @return {?}
     */
    get checked() {
        return this._checked;
    }
    /**
     * @param {?} value
     * @return {?}
     */
    set checked(value) {
        this.setChecked(value);
    }
    /**
     * @return {?}
     */
    get disabled() {
        return this._disabled || (this.radioGroup !== null && this.radioGroup.disabled);
    }
    /**
     * @param {?} value
     * @return {?}
     */
    set disabled(value) {
        /** @type {?} */
        const newDisabledState = coerceBooleanProperty(value);
        if (this._disabled !== newDisabledState) {
            this._disabled = newDisabledState;
            this._foundation.setDisabled(this._disabled);
            this._changeDetectorRef.markForCheck();
        }
    }
    /**
     * @return {?}
     */
    get required() {
        return this._required || (this.radioGroup && this.radioGroup.required);
    }
    /**
     * @param {?} value
     * @return {?}
     */
    set required(value) {
        this._required = coerceBooleanProperty(value);
    }
    /**
     * @return {?}
     */
    getDefaultFoundation() {
        /** @type {?} */
        const adapter = {
            addClass: (/**
             * @param {?} className
             * @return {?}
             */
            (className) => this._root.classList.add(className)),
            removeClass: (/**
             * @param {?} className
             * @return {?}
             */
            (className) => this._root.classList.remove(className)),
            setNativeControlDisabled: (/**
             * @param {?} disabled
             * @return {?}
             */
            (disabled) => this.disabled = disabled)
        };
        return new MDCRadioFoundation(adapter);
    }
    /**
     * @return {?}
     */
    ngAfterViewInit() {
        this._initialized = true;
        this._foundation.init();
        if (this.radioGroup) {
            Promise.resolve().then((/**
             * @return {?}
             */
            () => {
                // If the radio is inside a radio group, determine if it should be checked
                this.checked = this.radioGroup.value === this._value;
                // Copy name from parent radio group
                this.name = this.radioGroup.name;
                this.setChecked(this.checked);
                this._changeDetectorRef.markForCheck();
            }));
        }
    }
    /**
     * @return {?}
     */
    ngOnDestroy() {
        this._removeUniqueSelectionListener();
        this.ripple.destroy();
        this._foundation.destroy();
    }
    /**
     * @param {?} event
     * @return {?}
     */
    onInputClick(event) {
        // Preventing bubbling for the second event will solve that issue.
        event.stopPropagation();
    }
    /**
     * @param {?} event
     * @return {?}
     */
    onInputChange(event) {
        this.ripple.init();
        event.stopPropagation();
        /** @type {?} */
        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();
            }
        }
    }
    /**
     * @param {?} checked
     * @return {?}
     */
    setChecked(checked) {
        if (!this._initialized) {
            return;
        }
        /** @type {?} */
        const newCheckedState = coerceBooleanProperty(checked);
        if (this._checked !== newCheckedState) {
            this._checked = newCheckedState;
            this.input.nativeElement.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;
            }
            this._changeDetectorRef.markForCheck();
            if (newCheckedState) {
                // Notify all radio buttons with the same name to un-check.
                this._radioDispatcher.notify(this.id, this.name);
            }
        }
    }
    /**
     * @param {?} value
     * @return {?}
     */
    setValue(value) {
        this._value = value;
        this.input.nativeElement.value = this._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;
            }
        }
    }
    /**
     * @return {?}
     */
    focus() {
        this.input.nativeElement.focus();
    }
    /**
     * @return {?}
     */
    markForCheck() {
        this._changeDetectorRef.markForCheck();
    }
    /**
     * @private
     * @return {?}
     */
    _createRipple() {
        /** @type {?} */
        const adapter = Object.assign(Object.assign({}, MdcRipple.createAdapter(this)), { isSurfaceActive: (/**
             * @return {?}
             */
            () => false), isUnbounded: (/**
             * @return {?}
             */
            () => true), deregisterInteractionHandler: (/**
             * @param {?} evtType
             * @param {?} handler
             * @return {?}
             */
            (evtType, handler) => this.input.nativeElement.removeEventListener(evtType, handler, supportsPassiveEventListeners())), registerInteractionHandler: (/**
             * @param {?} evtType
             * @param {?} handler
             * @return {?}
             */
            (evtType, handler) => this.input.nativeElement.addEventListener(evtType, handler, supportsPassiveEventListeners())) });
        return new MdcRipple(this.elementRef, new MDCRippleFoundation(adapter));
    }
    /**
     * Dispatch change event with current value.
     * @private
     * @return {?}
     */
    _emitChangeEvent() {
        this.change.emit(new MdcRadioChange(this, this._value));
    }
}
MdcRadio.decorators = [
    { type: Component, args: [{selector: 'mdc-radio',
                exportAs: 'mdcRadio',
                host: {
                    '[id]': 'id',
                    'class': 'mdc-radio',
                    '(focus)': 'input.nativeElement.focus()',
                    '[attr.tabindex]': '-1',
                    '[attr.name]': 'null',
                    '[class.mdc-radio--touch]': 'touch',
                },
                template: `
  <input type="radio"
    #input
    class="mdc-radio__native-control"
    [id]="inputId"
    [attr.name]="name"
    [tabIndex]="tabIndex"
    [attr.aria-label]="ariaLabel"
    [attr.aria-labelledby]="ariaLabelledby"
    [attr.aria-describedby]="ariaDescribedby"
    [disabled]="disabled"
    [required]="required"
    [checked]="checked"
    (click)="onInputClick($event)"
    (change)="onInputChange($event)" />
    <div class="mdc-radio__background">
      <div class="mdc-radio__outer-circle"></div>
      <div class="mdc-radio__inner-circle"></div>
    </div>
    <div class="mdc-radio__ripple"></div>
  `,
                encapsulation: ViewEncapsulation.None,
                changeDetection: ChangeDetectionStrategy.OnPush,
                providers: [
                    MdcRipple,
                    { provide: MdcFormFieldControl, useExisting: MdcRadio }
                ]
            },] },
];
/** @nocollapse */
MdcRadio.ctorParameters = () => [
    { type: ChangeDetectorRef },
    { type: ElementRef },
    { type: MdcRipple },
    { type: UniqueSelectionDispatcher },
    { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MDC_RADIO_GROUP_PARENT_COMPONENT,] }] },
    { type: MdcFormField, decorators: [{ type: Optional }] }
];
MdcRadio.propDecorators = {
    id: [{ type: Input }],
    name: [{ type: Input }],
    tabIndex: [{ type: Input }],
    ariaLabel: [{ type: Input, args: ['aria-label',] }],
    ariaLabelledby: [{ type: Input, args: ['aria-labelledby',] }],
    ariaDescribedby: [{ type: Input, args: ['aria-describedby',] }],
    touch: [{ type: Input }],
    value: [{ type: Input }],
    checked: [{ type: Input }],
    disabled: [{ type: Input }],
    required: [{ type: Input }],
    change: [{ type: Output }],
    input: [{ type: ViewChild, args: ['input', { static: true },] }]
};

/**
 * @fileoverview added by tsickle
 * Generated from: radio/radio-group.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Provider Expression that allows mdc-radio-group to register as a ControlValueAccessor. This
 * allows it to support [(ngModel)] and ngControl.
 * @type {?}
 */
const MDC_RADIO_GROUP_CONTROL_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef((/**
     * @return {?}
     */
    () => MdcRadioGroup)),
    multi: true
};
/** @type {?} */
let nextUniqueId$1 = 0;
class MdcRadioGroup {
    /**
     * @param {?} _changeDetectorRef
     * @param {?} elementRef
     */
    constructor(_changeDetectorRef, elementRef) {
        this._changeDetectorRef = _changeDetectorRef;
        this.elementRef = elementRef;
        this._name = `mdc-radio-group-${nextUniqueId$1++}`;
        /**
         * Selected value for the radio group.
         */
        this._value = null;
        /**
         * Whether the `value` has been set to its initial value.
         */
        this._isInitialized = false;
        this._selected = null;
        this._required = false;
        this._disabled = false;
        /**
         * The method to be called in order to update ngModel
         */
        this._controlValueAccessorChangeFn = (/**
         * @return {?}
         */
        () => { });
        /**
         * onTouch function registered via registerOnTouch (ControlValueAccessor).
         */
        this.onTouched = (/**
         * @return {?}
         */
        () => { });
        this.change = new EventEmitter();
    }
    /**
     * Name of the radio button group. All radio buttons inside this group will use this name.
     * @return {?}
     */
    get name() { return this._name; }
    /**
     * @param {?} value
     * @return {?}
     */
    set name(value) {
        this._name = value;
        this._updateRadioButtonNames();
    }
    /**
     * 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.
     * @return {?}
     */
    get value() { return this._value; }
    /**
     * @param {?} newValue
     * @return {?}
     */
    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();
        }
    }
    /**
     * 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.
     * @return {?}
     */
    get selected() { return this._selected; }
    /**
     * @param {?} selected
     * @return {?}
     */
    set selected(selected) {
        this._selected = selected;
        this.value = selected ? selected.value : null;
        this._checkSelectedRadioButton();
    }
    /**
     * @return {?}
     */
    get required() { return this._required; }
    /**
     * @param {?} value
     * @return {?}
     */
    set required(value) {
        this._required = coerceBooleanProperty(value);
        this._markRadiosForCheck();
    }
    /**
     * @return {?}
     */
    get disabled() { return this._disabled; }
    /**
     * @param {?} value
     * @return {?}
     */
    set disabled(value) {
        this._disabled = coerceBooleanProperty(value);
        this._updateDisableRadioState(this._disabled);
        this._markRadiosForCheck();
    }
    /**
     * @return {?}
     */
    _checkSelectedRadioButton() {
        if (this._selected && !this._selected.checked) {
            this._selected.checked = true;
        }
    }
    /**
     * @return {?}
     */
    ngAfterContentInit() {
        this._isInitialized = true;
    }
    /**
     * @return {?}
     */
    _touch() {
        if (this.onTouched) {
            this.onTouched();
        }
    }
    /**
     * @private
     * @return {?}
     */
    _updateRadioButtonNames() {
        if (this._radios) {
            this._radios.forEach((/**
             * @param {?} radio
             * @return {?}
             */
            radio => {
                radio.name = this.name;
                radio.markForCheck();
            }));
        }
    }
    /**
     * Updates the `selected` radio button from the internal _value state.
     * @private
     * @return {?}
     */
    _updateSelectedRadioFromValue() {
        // If the value already matches the selected radio, do nothing.
        /** @type {?} */
        const isAlreadySelected = this._selected !== null && this._selected.value === this._value;
        if (this._radios && !isAlreadySelected) {
            this._selected = null;
            this._radios.forEach((/**
             * @param {?} radio
             * @return {?}
             */
            radio => {
                radio.checked = this.value === radio.value;
                if (radio.checked) {
                    this._selected = radio;
                }
            }));
        }
    }
    /**
     * @private
     * @return {?}
     */
    _markRadiosForCheck() {
        if (this._radios) {
            this._radios.forEach((/**
             * @param {?} radio
             * @return {?}
             */
            radio => radio.markForCheck()));
        }
    }
    /**
     * @private
     * @param {?} disabled
     * @return {?}
     */
    _updateDisableRadioState(disabled) {
        if (this._radios) {
            this._radios.forEach((/**
             * @param {?} radio
             * @return {?}
             */
            radio => radio.disabled = disabled));
        }
    }
    /**
     * Sets the model value. Implemented as part of ControlValueAccessor.
     * @param {?} value
     * @return {?}
     */
    writeValue(value) {
        this.value = value;
        this._changeDetectorRef.markForCheck();
    }
    /**
     * Registers a callback to be triggered when the model value changes.
     * Implemented as part of ControlValueAccessor.
     * @param {?} fn Callback to be registered.
     * @return {?}
     */
    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.
     * @return {?}
     */
    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.
     * @return {?}
     */
    setDisabledState(isDisabled) {
        this.disabled = coerceBooleanProperty(isDisabled);
        this._changeDetectorRef.markForCheck();
    }
    /**
     * Dispatch change event with current selection and group value.
     * @return {?}
     */
    emitChangeEvent() {
        if (this._isInitialized) {
            this.change.emit(new MdcRadioChange((/** @type {?} */ (this._selected)), this._value));
        }
    }
}
MdcRadioGroup.decorators = [
    { type: Component, args: [{
                selector: 'mdc-radio-group, [mdcRadioGroup]',
                exportAs: 'mdcRadioGroup',
                host: {
                    'role': 'radiogroup',
                    '[attr.name]': 'null'
                },
                template: '<ng-content></ng-content>',
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                providers: [MDC_RADIO_GROUP_CONTROL_VALUE_ACCESSOR,
                    { provide: MDC_RADIO_GROUP_PARENT_COMPONENT, useExisting: MdcRadioGroup }
                ]
            },] },
];
/** @nocollapse */
MdcRadioGroup.ctorParameters = () => [
    { type: ChangeDetectorRef },
    { type: ElementRef }
];
MdcRadioGroup.propDecorators = {
    _radios: [{ type: ContentChildren, args: [forwardRef((/**
                 * @return {?}
                 */
                () => MdcRadio)), { descendants: true },] }],
    name: [{ type: Input }],
    value: [{ type: Input }],
    selected: [{ type: Input }],
    required: [{ type: Input }],
    disabled: [{ type: Input }],
    change: [{ type: Output }]
};

/**
 * @fileoverview added by tsickle
 * Generated from: radio/module.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
class MdcRadioModule {
}
MdcRadioModule.decorators = [
    { type: NgModule, args: [{
                imports: [MdcFormFieldModule],
                exports: [MdcRadioGroup, MdcRadio],
                declarations: [MdcRadioGroup, MdcRadio]
            },] },
];

export { MDC_RADIO_GROUP_CONTROL_VALUE_ACCESSOR, MDC_RADIO_GROUP_PARENT_COMPONENT, MdcRadio, MdcRadioChange, MdcRadioGroup, MdcRadioModule };
//# sourceMappingURL=radio.js.map