import { EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, ElementRef, Input, Output, ContentChildren, NgModule } from '@angular/core';
import { trigger, state, style, transition, animate } from '@angular/animations';
import { CommonModule } from '@angular/common';
import { PrimeTemplate, SharedModule } from 'primeng/api';
import { RippleModule } from 'primeng/ripple';

let idx = 0;
class Fieldset {
    constructor(el) {
        this.el = el;
        this.collapsed = false;
        this.collapsedChange = new EventEmitter();
        this.onBeforeToggle = new EventEmitter();
        this.onAfterToggle = new EventEmitter();
        this.transitionOptions = '400ms cubic-bezier(0.86, 0, 0.07, 1)';
        this.id = `p-fieldset-${idx++}`;
    }
    ngAfterContentInit() {
        this.templates.forEach((item) => {
            switch (item.getType()) {
                case 'header':
                    this.headerTemplate = item.template;
                    break;
                case 'content':
                    this.contentTemplate = item.template;
                    break;
            }
        });
    }
    toggle(event) {
        if (this.animating) {
            return false;
        }
        this.animating = true;
        this.onBeforeToggle.emit({ originalEvent: event, collapsed: this.collapsed });
        if (this.collapsed)
            this.expand(event);
        else
            this.collapse(event);
        this.onAfterToggle.emit({ originalEvent: event, collapsed: this.collapsed });
        event.preventDefault();
    }
    expand(event) {
        this.collapsed = false;
        this.collapsedChange.emit(this.collapsed);
    }
    collapse(event) {
        this.collapsed = true;
        this.collapsedChange.emit(this.collapsed);
    }
    getBlockableElement() {
        return this.el.nativeElement.children[0];
    }
    onToggleDone(event) {
        this.animating = false;
    }
}
Fieldset.decorators = [
    { type: Component, args: [{
                selector: 'p-fieldset',
                template: `
        <fieldset [attr.id]="id" [ngClass]="{'p-fieldset p-component': true, 'p-fieldset-toggleable': toggleable}" [ngStyle]="style" [class]="styleClass">
            <legend class="p-fieldset-legend">
                <ng-container *ngIf="toggleable; else legendContent">
                    <a tabindex="0" (click)="toggle($event)" (keydown.enter)="toggle($event)" [attr.aria-controls]="id + '-content'" [attr.aria-expanded]="!collapsed" pRipple>
                        <span class="p-fieldset-toggler pi" *ngIf="toggleable" [ngClass]="{'pi-minus': !collapsed,'pi-plus':collapsed}"></span>
                        <ng-container *ngTemplateOutlet="legendContent"></ng-container>
                    </a>
                </ng-container>
                <ng-template #legendContent>
                    <span class="p-fieldset-legend-text">{{legend}}</span>
                    <ng-content select="p-header"></ng-content>
                    <ng-container *ngTemplateOutlet="headerTemplate"></ng-container>
                </ng-template>
            </legend>
            <div [attr.id]="id + '-content'" class="p-toggleable-content" [@fieldsetContent]="collapsed ? {value: 'hidden', params: {transitionParams: transitionOptions, height: '0'}} : {value: 'visible', params: {transitionParams: animating ? transitionOptions : '0ms', height: '*'}}" 
                        [attr.aria-labelledby]="id" [attr.aria-hidden]="collapsed"
                         (@fieldsetContent.done)="onToggleDone($event)" role="region">
                <div class="p-fieldset-content">
                    <ng-content></ng-content>
                    <ng-container *ngTemplateOutlet="contentTemplate"></ng-container>
                </div>
            </div>
        </fieldset>
    `,
                animations: [
                    trigger('fieldsetContent', [
                        state('hidden', style({
                            height: '0',
                            overflow: 'hidden'
                        })),
                        state('visible', style({
                            height: '*'
                        })),
                        transition('visible <=> hidden', [style({ overflow: 'hidden' }), animate('{{transitionParams}}')]),
                        transition('void => *', animate(0))
                    ])
                ],
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                styles: [".p-fieldset-legend>a,.p-fieldset-legend>span{-ms-flex-align:center;-ms-flex-pack:center;align-items:center;display:-ms-flexbox;display:flex;justify-content:center}.p-fieldset-toggleable .p-fieldset-legend a{-moz-user-select:none;-ms-user-select:none;-webkit-user-select:none;cursor:pointer;overflow:hidden;position:relative;user-select:none}.p-fieldset-legend-text{line-height:1}"]
            },] }
];
Fieldset.ctorParameters = () => [
    { type: ElementRef }
];
Fieldset.propDecorators = {
    legend: [{ type: Input }],
    toggleable: [{ type: Input }],
    collapsed: [{ type: Input }],
    collapsedChange: [{ type: Output }],
    onBeforeToggle: [{ type: Output }],
    onAfterToggle: [{ type: Output }],
    style: [{ type: Input }],
    styleClass: [{ type: Input }],
    transitionOptions: [{ type: Input }],
    templates: [{ type: ContentChildren, args: [PrimeTemplate,] }]
};
class FieldsetModule {
}
FieldsetModule.decorators = [
    { type: NgModule, args: [{
                imports: [CommonModule, RippleModule],
                exports: [Fieldset, SharedModule],
                declarations: [Fieldset]
            },] }
];

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

export { Fieldset, FieldsetModule };
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