primeng/esm5/focustrap/focustrap.js

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var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { NgModule, Directive, ElementRef, HostListener } from '@angular/core';
import { CommonModule } from '@angular/common';
import { DomHandler } from 'primeng/dom';
var FocusTrap = /** @class */ (function () {
    function FocusTrap(el) {
        this.el = el;
    }
    FocusTrap.prototype.onkeydown = function (e) {
        if (e.which === 9) {
            e.preventDefault();
            var focusableElements = DomHandler.getFocusableElements(this.el.nativeElement);
            if (focusableElements && focusableElements.length > 0) {
                if (!document.activeElement) {
                    focusableElements[0].focus();
                }
                else {
                    var focusedIndex = focusableElements.indexOf(document.activeElement);
                    if (e.shiftKey) {
                        if (focusedIndex == -1 || focusedIndex === 0)
                            focusableElements[focusableElements.length - 1].focus();
                        else
                            focusableElements[focusedIndex - 1].focus();
                    }
                    else {
                        if (focusedIndex == -1 || focusedIndex === (focusableElements.length - 1))
                            focusableElements[0].focus();
                        else
                            focusableElements[focusedIndex + 1].focus();
                    }
                }
            }
        }
    };
    FocusTrap.ctorParameters = function () { return [
        { type: ElementRef }
    ]; };
    __decorate([
        HostListener('keydown', ['$event'])
    ], FocusTrap.prototype, "onkeydown", null);
    FocusTrap = __decorate([
        Directive({
            selector: '[pFocusTrap]',
        })
    ], FocusTrap);
    return FocusTrap;
}());
export { FocusTrap };
var FocusTrapModule = /** @class */ (function () {
    function FocusTrapModule() {
    }
    FocusTrapModule = __decorate([
        NgModule({
            imports: [CommonModule],
            exports: [FocusTrap],
            declarations: [FocusTrap]
        })
    ], FocusTrapModule);
    return FocusTrapModule;
}());
export { FocusTrapModule };
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