import { forwardRef, EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, ChangeDetectorRef, Input, Output, ContentChild, TemplateRef, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { ObjectUtils } from 'primeng/utils';
import { RippleModule } from 'primeng/ripple';
import { NG_VALUE_ACCESSOR } from '@angular/forms';

const SELECTBUTTON_VALUE_ACCESSOR = {
    provide: NG_VALUE_ACCESSOR,
    useExisting: forwardRef(() => SelectButton),
    multi: true
};
class SelectButton {
    constructor(cd) {
        this.cd = cd;
        this.tabindex = 0;
        this.onOptionClick = new EventEmitter();
        this.onChange = new EventEmitter();
        this.onModelChange = () => { };
        this.onModelTouched = () => { };
    }
    get options() {
        return this._options;
    }
    set options(val) {
        //NoOp
    }
    ngOnChanges(simpleChange) {
        if (simpleChange.options) {
            this._options = this.optionLabel ? ObjectUtils.generateSelectItems(simpleChange.options.currentValue, this.optionLabel) : simpleChange.options.currentValue;
        }
    }
    writeValue(value) {
        this.value = value;
        this.cd.markForCheck();
    }
    registerOnChange(fn) {
        this.onModelChange = fn;
    }
    registerOnTouched(fn) {
        this.onModelTouched = fn;
    }
    setDisabledState(val) {
        this.disabled = val;
        this.cd.markForCheck();
    }
    onItemClick(event, option, index) {
        if (this.disabled || option.disabled) {
            return;
        }
        if (this.multiple) {
            let itemIndex = this.findItemIndex(option);
            if (itemIndex != -1)
                this.value = this.value.filter((val, i) => i != itemIndex);
            else
                this.value = [...this.value || [], option.value];
        }
        else {
            this.value = option.value;
        }
        this.onOptionClick.emit({
            originalEvent: event,
            option: option,
            index: index
        });
        this.onModelChange(this.value);
        this.onChange.emit({
            originalEvent: event,
            value: this.value
        });
    }
    onBlur() {
        this.onModelTouched();
    }
    isSelected(option) {
        if (this.multiple)
            return this.findItemIndex(option) != -1;
        else
            return ObjectUtils.equals(option.value, this.value, this.dataKey);
    }
    findItemIndex(option) {
        let index = -1;
        if (this.value) {
            for (let i = 0; i < this.value.length; i++) {
                if (this.value[i] == option.value) {
                    index = i;
                    break;
                }
            }
        }
        return index;
    }
}
SelectButton.decorators = [
    { type: Component, args: [{
                selector: 'p-selectButton',
                template: `
        <div [ngClass]="'p-selectbutton p-buttonset p-component'" [ngStyle]="style" [class]="styleClass"  role="group">
            <div *ngFor="let option of options; let i = index" #btn class="p-button p-component" [class]="option.styleClass" role="button" [attr.aria-pressed]="isSelected(option)"
                [ngClass]="{'p-highlight':isSelected(option), 'p-disabled': disabled || option.disabled, 
                'p-button-icon-only': (option.icon && !option.label)}" (click)="onItemClick($event,option,i)" (keydown.enter)="onItemClick($event,option,i)"
                [attr.title]="option.title" [attr.aria-label]="option.label" (blur)="onBlur()" [attr.tabindex]="disabled ? null : tabindex" [attr.aria-labelledby]="ariaLabelledBy" pRipple>
                <ng-container *ngIf="!itemTemplate else customcontent">
                    <span [ngClass]="'p-button-icon p-button-icon-left'" [class]="option.icon" *ngIf="option.icon"></span>
                    <span class="p-button-label">{{option.label}}</span>
                </ng-container>
                <ng-template #customcontent>
                    <ng-container *ngTemplateOutlet="itemTemplate; context: {$implicit: option, index: i}"></ng-container>
                </ng-template>
            </div>
        </div>
    `,
                providers: [SELECTBUTTON_VALUE_ACCESSOR],
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                styles: [".ui-selectbutton{display:inline-block}.ui-selectbutton.ui-state-error{padding:0}.ui-selectbutton .ui-button.ui-state-focus{outline:none}", ".p-button{-moz-user-select:none;-ms-flex-align:center;-ms-user-select:none;-webkit-user-select:none;align-items:center;cursor:pointer;display:-ms-inline-flexbox;display:inline-flex;margin:0;overflow:hidden;position:relative;text-align:center;user-select:none;vertical-align:bottom}.p-button-label{-ms-flex:1 1 auto;flex:1 1 auto}.p-button-icon-right{-ms-flex-order:1;order:1}.p-button:disabled{cursor:default}.p-button-icon-only{-ms-flex-pack:center;justify-content:center}.p-button-icon-only .p-button-label{-ms-flex:0 0 auto;flex:0 0 auto;visibility:hidden;width:0}.p-button-vertical{-ms-flex-direction:column;flex-direction:column}.p-button-icon-bottom{-ms-flex-order:2;order:2}.p-buttonset .p-button{margin:0}.p-buttonset .p-button:not(:last-child){border-right:0}.p-buttonset .p-button:not(:first-of-type):not(:last-of-type){border-radius:0}.p-buttonset .p-button:first-of-type{border-bottom-right-radius:0;border-top-right-radius:0}.p-buttonset .p-button:last-of-type{border-bottom-left-radius:0;border-top-left-radius:0}.p-buttonset .p-button:focus{position:relative;z-index:1}"]
            },] }
];
SelectButton.ctorParameters = () => [
    { type: ChangeDetectorRef }
];
SelectButton.propDecorators = {
    tabindex: [{ type: Input }],
    multiple: [{ type: Input }],
    style: [{ type: Input }],
    styleClass: [{ type: Input }],
    ariaLabelledBy: [{ type: Input }],
    disabled: [{ type: Input }],
    dataKey: [{ type: Input }],
    optionLabel: [{ type: Input }],
    onOptionClick: [{ type: Output }],
    onChange: [{ type: Output }],
    itemTemplate: [{ type: ContentChild, args: [TemplateRef,] }],
    options: [{ type: Input }]
};
class SelectButtonModule {
}
SelectButtonModule.decorators = [
    { type: NgModule, args: [{
                imports: [CommonModule, RippleModule],
                exports: [SelectButton],
                declarations: [SelectButton]
            },] }
];

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

export { SELECTBUTTON_VALUE_ACCESSOR, SelectButton, SelectButtonModule };
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