import { forwardRef, EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, ChangeDetectorRef, Input, ViewChild, Output, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { NG_VALUE_ACCESSOR } from '@angular/forms';

const CHECKBOX_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => Checkbox),
    multi: true
};
class Checkbox {
    constructor(cd) {
        this.cd = cd;
        this.checkboxIcon = 'pi pi-check';
        this.onChange = new EventEmitter();
        this.onModelChange = () => { };
        this.onModelTouched = () => { };
        this.focused = false;
        this.checked = false;
    }
    onClick(event, checkbox, focus) {
        event.preventDefault();
        if (this.disabled || this.readonly) {
            return;
        }
        this.checked = !this.checked;
        this.updateModel(event);
        if (focus) {
            checkbox.focus();
        }
    }
    updateModel(event) {
        if (!this.binary) {
            if (this.checked)
                this.addValue();
            else
                this.removeValue();
            this.onModelChange(this.model);
            if (this.formControl) {
                this.formControl.setValue(this.model);
            }
        }
        else {
            this.onModelChange(this.checked);
        }
        this.onChange.emit({ checked: this.checked, originalEvent: event });
    }
    handleChange(event) {
        if (!this.readonly) {
            this.checked = event.target.checked;
            this.updateModel(event);
        }
    }
    isChecked() {
        if (this.binary)
            return this.model;
        else
            return this.model && this.model.indexOf(this.value) > -1;
    }
    removeValue() {
        this.model = this.model.filter(val => val !== this.value);
    }
    addValue() {
        if (this.model)
            this.model = [...this.model, this.value];
        else
            this.model = [this.value];
    }
    onFocus() {
        this.focused = true;
    }
    onBlur() {
        this.focused = false;
        this.onModelTouched();
    }
    focus() {
        this.inputViewChild.nativeElement.focus();
    }
    writeValue(model) {
        this.model = model;
        this.checked = this.isChecked();
        this.cd.markForCheck();
    }
    registerOnChange(fn) {
        this.onModelChange = fn;
    }
    registerOnTouched(fn) {
        this.onModelTouched = fn;
    }
    setDisabledState(val) {
        this.disabled = val;
        this.cd.markForCheck();
    }
}
Checkbox.decorators = [
    { type: Component, args: [{
                selector: 'p-checkbox',
                template: `
        <div [ngStyle]="style" [ngClass]="{'p-checkbox p-component': true, 'p-checkbox-checked': checked, 'p-checkbox-disabled': disabled, 'p-checkbox-focused': focused}" [class]="styleClass">
            <div class="p-hidden-accessible">
                <input #cb type="checkbox" [attr.id]="inputId" [attr.name]="name" [readonly]="readonly" [value]="value" [checked]="checked" (focus)="onFocus()" (blur)="onBlur()"
                (change)="handleChange($event)" [disabled]="disabled" [attr.tabindex]="tabindex" [attr.aria-labelledby]="ariaLabelledBy" [attr.required]="required">
            </div>
            <div class="p-checkbox-box" (click)="onClick($event,cb,true)"
                        [ngClass]="{'p-highlight': checked, 'p-disabled': disabled, 'p-focus': focused}" role="checkbox" [attr.aria-checked]="checked">
                <span class="p-checkbox-icon" [ngClass]="checked ? checkboxIcon : null"></span>
            </div>
        </div>
        <label (click)="onClick($event,cb,true)" [class]="labelStyleClass"
                [ngClass]="{'p-checkbox-label': true, 'p-checkbox-label-active':checked, 'p-disabled':disabled, 'p-checkbox-label-focus':focused}"
                *ngIf="label" [attr.for]="inputId">{{label}}</label>
    `,
                providers: [CHECKBOX_VALUE_ACCESSOR],
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                styles: [".p-checkbox{-moz-user-select:none;-ms-user-select:none;-webkit-user-select:none;cursor:pointer;display:-ms-inline-flexbox;display:inline-flex;user-select:none;vertical-align:bottom}.p-checkbox-box{-ms-flex-pack:center;display:-ms-flexbox;display:flex;justify-content:center}.p-checkbox-box,p-checkbox{-ms-flex-align:center;align-items:center}p-checkbox{display:-ms-inline-flexbox;display:inline-flex;vertical-align:bottom}.p-checkbox-label{line-height:1}"]
            },] }
];
Checkbox.ctorParameters = () => [
    { type: ChangeDetectorRef }
];
Checkbox.propDecorators = {
    value: [{ type: Input }],
    name: [{ type: Input }],
    disabled: [{ type: Input }],
    binary: [{ type: Input }],
    label: [{ type: Input }],
    ariaLabelledBy: [{ type: Input }],
    tabindex: [{ type: Input }],
    inputId: [{ type: Input }],
    style: [{ type: Input }],
    styleClass: [{ type: Input }],
    labelStyleClass: [{ type: Input }],
    formControl: [{ type: Input }],
    checkboxIcon: [{ type: Input }],
    readonly: [{ type: Input }],
    required: [{ type: Input }],
    inputViewChild: [{ type: ViewChild, args: ['cb',] }],
    onChange: [{ type: Output }]
};
class CheckboxModule {
}
CheckboxModule.decorators = [
    { type: NgModule, args: [{
                imports: [CommonModule],
                exports: [Checkbox],
                declarations: [Checkbox]
            },] }
];

/**
 * Generated bundle index. Do not edit.
 */

export { CHECKBOX_VALUE_ACCESSOR, Checkbox, CheckboxModule };
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