import { EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, ChangeDetectorRef, Input, Output, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { Router, ActivatedRoute, RouterModule } from '@angular/router';

class Steps {
    constructor(router, route, cd) {
        this.router = router;
        this.route = route;
        this.cd = cd;
        this.activeIndex = 0;
        this.readonly = true;
        this.activeIndexChange = new EventEmitter();
    }
    ngOnInit() {
        this.subscription = this.router.events.subscribe(() => this.cd.markForCheck());
    }
    itemClick(event, item, i) {
        if (this.readonly || item.disabled) {
            event.preventDefault();
            return;
        }
        this.activeIndexChange.emit(i);
        if (!item.url) {
            event.preventDefault();
        }
        if (item.command) {
            item.command({
                originalEvent: event,
                item: item,
                index: i
            });
        }
    }
    isClickableRouterLink(item) {
        return item.routerLink && !this.readonly && !item.disabled;
    }
    isActive(item, index) {
        if (item.routerLink)
            return this.router.isActive(item.routerLink, false) || this.router.isActive(this.router.createUrlTree([item.routerLink], { relativeTo: this.route }).toString(), false);
        else
            return index === this.activeIndex;
    }
    ngOnDestroy() {
        this.subscription.unsubscribe();
    }
}
Steps.decorators = [
    { type: Component, args: [{
                selector: 'p-steps',
                template: `
        <div [ngClass]="{'p-steps p-component':true,'p-readonly':readonly}" [ngStyle]="style" [class]="styleClass">
            <ul role="tablist">
                <li *ngFor="let item of model; let i = index" class="p-steps-item" #menuitem [ngStyle]="item.style" [class]="item.styleClass" role="tab" [attr.aria-selected]="i === activeIndex" [attr.aria-expanded]="i === activeIndex"
                    [ngClass]="{'p-highlight p-steps-current': isActive(item, i), 'p-disabled': item.disabled || (readonly && !isActive(item, i))}">
                    <a *ngIf="isClickableRouterLink(item); else elseBlock" [routerLink]="item.routerLink" [queryParams]="item.queryParams" role="presentation" [routerLinkActive]="'p-menuitem-link-active'" [routerLinkActiveOptions]="item.routerLinkActiveOptions||{exact:false}" class="p-menuitem-link" 
                        (click)="itemClick($event, item, i)" (keydown.enter)="itemClick($event, item, i)" [attr.target]="item.target" [attr.id]="item.id" [attr.tabindex]="item.disabled || readonly ? null : (item.tabindex ? item.tabindex : '0')"
                        [fragment]="item.fragment" [queryParamsHandling]="item.queryParamsHandling" [preserveFragment]="item.preserveFragment" [skipLocationChange]="item.skipLocationChange" [replaceUrl]="item.replaceUrl" [state]="item.state">
                        <span class="p-steps-number">{{i + 1}}</span>
                        <span class="p-steps-title" *ngIf="item.escape !== false; else htmlLabel">{{item.label}}</span>
                        <ng-template #htmlLabel><span class="p-steps-title" [innerHTML]="item.label"></span></ng-template>
                    </a>
                    <ng-template #elseBlock>
                        <a [attr.href]="item.url" class="p-menuitem-link" role="presentation" (click)="itemClick($event, item, i)" (keydown.enter)="itemClick($event, item, i)" [attr.target]="item.target" [attr.id]="item.id" 
                            [attr.tabindex]="item.disabled||(i !== activeIndex && readonly) ? null : (item.tabindex ? item.tabindex : '0')">
                            <span class="p-steps-number">{{i + 1}}</span>
                            <span class="p-steps-title" *ngIf="item.escape !== false; else htmlRouteLabel">{{item.label}}</span>
                            <ng-template #htmlRouteLabel><span class="p-steps-title" [innerHTML]="item.label"></span></ng-template>
                        </a>
                    </ng-template>
                </li>
            </ul>
        </div>
    `,
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None,
                styles: [".p-steps{position:relative}.p-steps ul{list-style-type:none;margin:0;padding:0}.p-steps-item,.p-steps ul{display:-ms-flexbox;display:flex}.p-steps-item{-ms-flex:1 1 auto;-ms-flex-pack:center;flex:1 1 auto;justify-content:center;position:relative}.p-steps-item .p-menuitem-link{-ms-flex-align:center;-ms-flex-direction:column;align-items:center;display:-ms-inline-flexbox;display:inline-flex;flex-direction:column;overflow:hidden;text-decoration:none}.p-steps.p-steps-readonly .p-steps-item{cursor:auto}.p-steps-item.p-steps-current .p-menuitem-link{cursor:default}.p-steps-title{white-space:nowrap}.p-steps-number{-ms-flex-align:center;-ms-flex-pack:center;align-items:center;display:-ms-flexbox;display:flex;justify-content:center}.p-steps-title{display:block}"]
            },] }
];
Steps.ctorParameters = () => [
    { type: Router },
    { type: ActivatedRoute },
    { type: ChangeDetectorRef }
];
Steps.propDecorators = {
    activeIndex: [{ type: Input }],
    model: [{ type: Input }],
    readonly: [{ type: Input }],
    style: [{ type: Input }],
    styleClass: [{ type: Input }],
    activeIndexChange: [{ type: Output }]
};
class StepsModule {
}
StepsModule.decorators = [
    { type: NgModule, args: [{
                imports: [CommonModule, RouterModule],
                exports: [Steps, RouterModule],
                declarations: [Steps]
            },] }
];

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

export { Steps, StepsModule };
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