/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
// tslint:disable:no-use-before-declare
import { Directive, forwardRef, HostBinding, HostListener, Input } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
// TODO: config: activeClass - Class to apply to the checked buttons
/** @type {?} */
export const CHECKBOX_CONTROL_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    /* tslint:disable-next-line: no-use-before-declare */
    useExisting: forwardRef((/**
     * @return {?}
     */
    () => ButtonCheckboxDirective)),
    multi: true
};
/**
 * Add checkbox functionality to any element
 */
export class ButtonCheckboxDirective {
    constructor() {
        /**
         * Truthy value, will be set to ngModel
         */
        this.btnCheckboxTrue = true;
        /**
         * Falsy value, will be set to ngModel
         */
        this.btnCheckboxFalse = false;
        this.state = false;
        this.onChange = Function.prototype;
        this.onTouched = Function.prototype;
    }
    // view -> model
    /**
     * @return {?}
     */
    onClick() {
        if (this.isDisabled) {
            return;
        }
        this.toggle(!this.state);
        this.onChange(this.value);
    }
    /**
     * @return {?}
     */
    ngOnInit() {
        this.toggle(this.trueValue === this.value);
    }
    /**
     * @protected
     * @return {?}
     */
    get trueValue() {
        return typeof this.btnCheckboxTrue !== 'undefined'
            ? this.btnCheckboxTrue
            : true;
    }
    /**
     * @protected
     * @return {?}
     */
    get falseValue() {
        return typeof this.btnCheckboxFalse !== 'undefined'
            ? this.btnCheckboxFalse
            : false;
    }
    /**
     * @param {?} state
     * @return {?}
     */
    toggle(state) {
        this.state = state;
        this.value = this.state ? this.trueValue : this.falseValue;
    }
    // ControlValueAccessor
    // model -> view
    /**
     * @param {?} value
     * @return {?}
     */
    writeValue(value) {
        this.state = this.trueValue === value;
        this.value = value ? this.trueValue : this.falseValue;
    }
    /**
     * @param {?} isDisabled
     * @return {?}
     */
    setDisabledState(isDisabled) {
        this.isDisabled = isDisabled;
    }
    /**
     * @param {?} fn
     * @return {?}
     */
    registerOnChange(fn) {
        this.onChange = fn;
    }
    /**
     * @param {?} fn
     * @return {?}
     */
    registerOnTouched(fn) {
        this.onTouched = fn;
    }
}
ButtonCheckboxDirective.decorators = [
    { type: Directive, args: [{
                selector: '[btnCheckbox]',
                providers: [CHECKBOX_CONTROL_VALUE_ACCESSOR]
            },] }
];
ButtonCheckboxDirective.propDecorators = {
    btnCheckboxTrue: [{ type: Input }],
    btnCheckboxFalse: [{ type: Input }],
    state: [{ type: HostBinding, args: ['class.active',] }, { type: HostBinding, args: ['attr.aria-pressed',] }],
    onClick: [{ type: HostListener, args: ['click',] }]
};
if (false) {
    /**
     * Truthy value, will be set to ngModel
     * @type {?}
     */
    ButtonCheckboxDirective.prototype.btnCheckboxTrue;
    /**
     * Falsy value, will be set to ngModel
     * @type {?}
     */
    ButtonCheckboxDirective.prototype.btnCheckboxFalse;
    /** @type {?} */
    ButtonCheckboxDirective.prototype.state;
    /**
     * @type {?}
     * @protected
     */
    ButtonCheckboxDirective.prototype.value;
    /**
     * @type {?}
     * @protected
     */
    ButtonCheckboxDirective.prototype.isDisabled;
    /**
     * @type {?}
     * @protected
     */
    ButtonCheckboxDirective.prototype.onChange;
    /**
     * @type {?}
     * @protected
     */
    ButtonCheckboxDirective.prototype.onTouched;
}
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