primeng
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[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ • 21.7 kB
JavaScript
import { EventEmitter, ElementRef, NgZone, Input, Output, ViewChild, ContentChild, ContentChildren, Component, ChangeDetectionStrategy, NgModule } from '@angular/core';
import { Header, Footer, PrimeTemplate, SharedModule } from 'primeng/api';
import { CommonModule } from '@angular/common';
import { UniqueComponentId } from 'primeng/utils';
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;
};
let Carousel = class Carousel {
constructor(el, zone) {
this.el = el;
this.zone = zone;
this.orientation = "horizontal";
this.verticalViewPortHeight = "300px";
this.contentClass = "";
this.dotsContainerClass = "";
this.circular = false;
this.autoplayInterval = 0;
this.onPage = new EventEmitter();
this._numVisible = 1;
this._numScroll = 1;
this._oldNumScroll = 0;
this.prevState = {
numScroll: 0,
numVisible: 0,
value: []
};
this.defaultNumScroll = 1;
this.defaultNumVisible = 1;
this._page = 0;
this.isRemainingItemsAdded = false;
this.remainingItems = 0;
this.totalShiftedItems = this.page * this.numScroll * -1;
}
get page() {
return this._page;
}
set page(val) {
if (this.isCreated && val !== this._page) {
if (this.autoplayInterval) {
this.stopAutoplay();
this.allowAutoplay = false;
}
if (val > this._page && val < (this.totalDots() - 1)) {
this.step(-1, val);
}
else if (val < this._page && val !== 0) {
this.step(1, val);
}
}
this._page = val;
}
get numVisible() {
return this._numVisible;
}
set numVisible(val) {
this._numVisible = val;
}
get numScroll() {
return this._numVisible;
}
set numScroll(val) {
this._numScroll = val;
}
get value() {
return this._value;
}
;
set value(val) {
this._value = val;
if (this.circular && this._value) {
this.setCloneItems();
}
}
ngAfterContentInit() {
this.id = UniqueComponentId();
this.allowAutoplay = !!this.autoplayInterval;
if (this.circular) {
this.setCloneItems();
}
if (this.responsiveOptions) {
this.defaultNumScroll = this._numScroll;
this.defaultNumVisible = this._numVisible;
}
this.createStyle();
this.calculatePosition();
if (this.responsiveOptions) {
this.bindDocumentListeners();
}
this.templates.forEach((item) => {
switch (item.getType()) {
case 'item':
this.itemTemplate = item.template;
break;
default:
this.itemTemplate = item.template;
break;
}
});
}
ngAfterContentChecked() {
const isCircular = this.isCircular();
let totalShiftedItems = this.totalShiftedItems;
if (this.value && (this.prevState.numScroll !== this._numScroll || this.prevState.numVisible !== this._numVisible || this.prevState.value.length !== this.value.length)) {
if (this.autoplayInterval) {
this.stopAutoplay();
}
this.remainingItems = (this.value.length - this._numVisible) % this._numScroll;
let page = this._page;
if (this.totalDots() !== 0 && page >= this.totalDots()) {
page = this.totalDots() - 1;
this._page = page;
this.onPage.emit({
page: this.page
});
}
totalShiftedItems = (page * this._numScroll) * -1;
if (isCircular) {
totalShiftedItems -= this._numVisible;
}
if (page === (this.totalDots() - 1) && this.remainingItems > 0) {
totalShiftedItems += (-1 * this.remainingItems) + this._numScroll;
this.isRemainingItemsAdded = true;
}
else {
this.isRemainingItemsAdded = false;
}
if (totalShiftedItems !== this.totalShiftedItems) {
this.totalShiftedItems = totalShiftedItems;
}
this._oldNumScroll = this._numScroll;
this.prevState.numScroll = this._numScroll;
this.prevState.numVisible = this._numVisible;
this.prevState.value = this._value;
if (this.totalDots() > 0 && this.itemsContainer && this.itemsContainer.nativeElement) {
this.itemsContainer.nativeElement.style.transform = this.isVertical() ? `translate3d(0, ${totalShiftedItems * (100 / this._numVisible)}%, 0)` : `translate3d(${totalShiftedItems * (100 / this._numVisible)}%, 0, 0)`;
}
this.isCreated = true;
if (this.autoplayInterval && this.isAutoplay()) {
this.startAutoplay();
}
}
if (isCircular) {
if (this.page === 0) {
totalShiftedItems = -1 * this._numVisible;
}
else if (totalShiftedItems === 0) {
totalShiftedItems = -1 * this.value.length;
if (this.remainingItems > 0) {
this.isRemainingItemsAdded = true;
}
}
if (totalShiftedItems !== this.totalShiftedItems) {
this.totalShiftedItems = totalShiftedItems;
}
}
}
createStyle() {
if (!this.carouselStyle) {
this.carouselStyle = document.createElement('style');
this.carouselStyle.type = 'text/css';
document.body.appendChild(this.carouselStyle);
}
let innerHTML = `
#${this.id} .ui-carousel-item {
flex: 1 0 ${(100 / this.numVisible)}%
}
`;
if (this.responsiveOptions) {
this.responsiveOptions.sort((data1, data2) => {
const value1 = data1.breakpoint;
const value2 = data2.breakpoint;
let result = null;
if (value1 == null && value2 != null)
result = -1;
else if (value1 != null && value2 == null)
result = 1;
else if (value1 == null && value2 == null)
result = 0;
else if (typeof value1 === 'string' && typeof value2 === 'string')
result = value1.localeCompare(value2, undefined, { numeric: true });
else
result = (value1 < value2) ? -1 : (value1 > value2) ? 1 : 0;
return -1 * result;
});
for (let i = 0; i < this.responsiveOptions.length; i++) {
let res = this.responsiveOptions[i];
innerHTML += `
@media screen and (max-width: ${res.breakpoint}) {
#${this.id} .ui-carousel-item {
flex: 1 0 ${(100 / res.numVisible)}%
}
}
`;
}
}
this.carouselStyle.innerHTML = innerHTML;
}
calculatePosition() {
if (this.itemsContainer && this.responsiveOptions) {
let windowWidth = window.innerWidth;
let matchedResponsiveData = {
numVisible: this.defaultNumVisible,
numScroll: this.defaultNumScroll
};
for (let i = 0; i < this.responsiveOptions.length; i++) {
let res = this.responsiveOptions[i];
if (parseInt(res.breakpoint, 10) >= windowWidth) {
matchedResponsiveData = res;
}
}
if (this._numScroll !== matchedResponsiveData.numScroll) {
let page = this._page;
page = Math.floor((page * this._numScroll) / matchedResponsiveData.numScroll);
let totalShiftedItems = (matchedResponsiveData.numScroll * this.page) * -1;
if (this.isCircular()) {
totalShiftedItems -= matchedResponsiveData.numVisible;
}
this.totalShiftedItems = totalShiftedItems;
this._numScroll = matchedResponsiveData.numScroll;
this._page = page;
this.onPage.emit({
page: this.page
});
}
if (this._numVisible !== matchedResponsiveData.numVisible) {
this._numVisible = matchedResponsiveData.numVisible;
this.setCloneItems();
}
}
}
setCloneItems() {
this.clonedItemsForStarting = [];
this.clonedItemsForFinishing = [];
if (this.isCircular()) {
this.clonedItemsForStarting.push(...this.value.slice(-1 * this._numVisible));
this.clonedItemsForFinishing.push(...this.value.slice(0, this._numVisible));
}
}
firstIndex() {
return this.isCircular() ? (-1 * (this.totalShiftedItems + this.numVisible)) : (this.totalShiftedItems * -1);
}
lastIndex() {
return this.firstIndex() + this.numVisible - 1;
}
totalDots() {
return this.value ? Math.ceil((this.value.length - this._numVisible) / this._numScroll) + 1 : 0;
}
totalDotsArray() {
const totalDots = this.totalDots();
return totalDots <= 0 ? [] : Array(totalDots).fill(0);
}
containerClass() {
return {
'ui-carousel ui-widget': true,
'ui-carousel-vertical': this.isVertical(),
'ui-carousel-horizontal': !this.isVertical()
};
}
contentClasses() {
return 'ui-carousel-content ' + this.contentClass;
}
dotsContentClasses() {
return 'ui-carousel-dots-container ui-helper-reset ' + this.dotsContainerClass;
}
isVertical() {
return this.orientation === 'vertical';
}
isCircular() {
return this.circular && this.value && this.value.length >= this.numVisible;
}
isAutoplay() {
return this.autoplayInterval && this.allowAutoplay;
}
isForwardNavDisabled() {
return this.isEmpty() || (this._page >= (this.totalDots() - 1) && !this.isCircular());
}
isBackwardNavDisabled() {
return this.isEmpty() || (this._page <= 0 && !this.isCircular());
}
isEmpty() {
return !this.value || this.value.length === 0;
}
navForward(e, index) {
if (this.isCircular() || this._page < (this.totalDots() - 1)) {
this.step(-1, index);
}
if (this.autoplayInterval) {
this.stopAutoplay();
this.allowAutoplay = false;
}
if (e && e.cancelable) {
e.preventDefault();
}
}
navBackward(e, index) {
if (this.isCircular() || this._page !== 0) {
this.step(1, index);
}
if (this.autoplayInterval) {
this.stopAutoplay();
this.allowAutoplay = false;
}
if (e && e.cancelable) {
e.preventDefault();
}
}
onDotClick(e, index) {
let page = this._page;
if (this.autoplayInterval) {
this.stopAutoplay();
this.allowAutoplay = false;
}
if (index > page) {
this.navForward(e, index);
}
else if (index < page) {
this.navBackward(e, index);
}
}
step(dir, page) {
let totalShiftedItems = this.totalShiftedItems;
const isCircular = this.isCircular();
if (page != null) {
totalShiftedItems = (this._numScroll * page) * -1;
if (isCircular) {
totalShiftedItems -= this._numVisible;
}
this.isRemainingItemsAdded = false;
}
else {
totalShiftedItems += (this._numScroll * dir);
if (this.isRemainingItemsAdded) {
totalShiftedItems += this.remainingItems - (this._numScroll * dir);
this.isRemainingItemsAdded = false;
}
let originalShiftedItems = isCircular ? (totalShiftedItems + this._numVisible) : totalShiftedItems;
page = Math.abs(Math.floor((originalShiftedItems / this._numScroll)));
}
if (isCircular && this.page === (this.totalDots() - 1) && dir === -1) {
totalShiftedItems = -1 * (this.value.length + this._numVisible);
page = 0;
}
else if (isCircular && this.page === 0 && dir === 1) {
totalShiftedItems = 0;
page = (this.totalDots() - 1);
}
else if (page === (this.totalDots() - 1) && this.remainingItems > 0) {
totalShiftedItems += ((this.remainingItems * -1) - (this._numScroll * dir));
this.isRemainingItemsAdded = true;
}
if (this.itemsContainer) {
this.itemsContainer.nativeElement.style.transform = this.isVertical() ? `translate3d(0, ${totalShiftedItems * (100 / this._numVisible)}%, 0)` : `translate3d(${totalShiftedItems * (100 / this._numVisible)}%, 0, 0)`;
this.itemsContainer.nativeElement.style.transition = 'transform 500ms ease 0s';
}
this.totalShiftedItems = totalShiftedItems;
this._page = page;
this.onPage.emit({
page: this.page
});
}
startAutoplay() {
this.interval = setInterval(() => {
if (this.totalDots() > 0) {
if (this.page === (this.totalDots() - 1)) {
this.step(-1, 0);
}
else {
this.step(-1, this.page + 1);
}
}
}, this.autoplayInterval);
}
stopAutoplay() {
if (this.interval) {
clearInterval(this.interval);
}
}
onTransitionEnd() {
if (this.itemsContainer) {
this.itemsContainer.nativeElement.style.transition = '';
if ((this.page === 0 || this.page === (this.totalDots() - 1)) && this.isCircular()) {
this.itemsContainer.nativeElement.style.transform = this.isVertical() ? `translate3d(0, ${this.totalShiftedItems * (100 / this._numVisible)}%, 0)` : `translate3d(${this.totalShiftedItems * (100 / this._numVisible)}%, 0, 0)`;
}
}
}
onTouchStart(e) {
let touchobj = e.changedTouches[0];
this.startPos = {
x: touchobj.pageX,
y: touchobj.pageY
};
}
onTouchMove(e) {
if (e.cancelable) {
e.preventDefault();
}
}
onTouchEnd(e) {
let touchobj = e.changedTouches[0];
if (this.isVertical()) {
this.changePageOnTouch(e, (touchobj.pageY - this.startPos.y));
}
else {
this.changePageOnTouch(e, (touchobj.pageX - this.startPos.x));
}
}
changePageOnTouch(e, diff) {
if (diff < 0) {
this.navForward(e);
}
else {
this.navBackward(e);
}
}
bindDocumentListeners() {
if (!this.documentResizeListener) {
this.documentResizeListener = (e) => {
this.calculatePosition();
};
window.addEventListener('resize', this.documentResizeListener);
}
}
unbindDocumentListeners() {
if (this.documentResizeListener) {
window.removeEventListener('resize', this.documentResizeListener);
this.documentResizeListener = null;
}
}
ngOnDestroy() {
if (this.responsiveOptions) {
this.unbindDocumentListeners();
}
if (this.autoplayInterval) {
this.stopAutoplay();
}
}
};
Carousel.ctorParameters = () => [
{ type: ElementRef },
{ type: NgZone }
];
__decorate([
Input()
], Carousel.prototype, "page", null);
__decorate([
Input()
], Carousel.prototype, "numVisible", null);
__decorate([
Input()
], Carousel.prototype, "numScroll", null);
__decorate([
Input()
], Carousel.prototype, "responsiveOptions", void 0);
__decorate([
Input()
], Carousel.prototype, "orientation", void 0);
__decorate([
Input()
], Carousel.prototype, "verticalViewPortHeight", void 0);
__decorate([
Input()
], Carousel.prototype, "contentClass", void 0);
__decorate([
Input()
], Carousel.prototype, "dotsContainerClass", void 0);
__decorate([
Input()
], Carousel.prototype, "value", null);
__decorate([
Input()
], Carousel.prototype, "circular", void 0);
__decorate([
Input()
], Carousel.prototype, "autoplayInterval", void 0);
__decorate([
Input()
], Carousel.prototype, "style", void 0);
__decorate([
Input()
], Carousel.prototype, "styleClass", void 0);
__decorate([
Output()
], Carousel.prototype, "onPage", void 0);
__decorate([
ViewChild('itemsContainer')
], Carousel.prototype, "itemsContainer", void 0);
__decorate([
ContentChild(Header)
], Carousel.prototype, "headerFacet", void 0);
__decorate([
ContentChild(Footer)
], Carousel.prototype, "footerFacet", void 0);
__decorate([
ContentChildren(PrimeTemplate)
], Carousel.prototype, "templates", void 0);
Carousel = __decorate([
Component({
selector: 'p-carousel',
template: `
<div [attr.id]="id" [ngClass]="containerClass()" [ngStyle]="style" [class]="styleClass">
<div class="ui-carousel-header" *ngIf="headerFacet">
<ng-content select="p-header"></ng-content>
</div>
<div [class]="contentClasses()">
<div class="ui-carousel-container">
<button [ngClass]="{'ui-carousel-prev ui-button ui-widget ui-state-default ui-corner-all':true, 'ui-state-disabled': isBackwardNavDisabled()}" [disabled]="isBackwardNavDisabled()" (click)="navBackward($event)">
<span [ngClass]="{'ui-carousel-prev-icon pi': true, 'pi-chevron-left': !isVertical(), 'pi-chevron-up': isVertical()}"></span>
</button>
<div class="ui-carousel-items-content" [ngStyle]="{'height': isVertical() ? verticalViewPortHeight : 'auto'}">
<div #itemsContainer class="ui-carousel-items-container" (transitionend)="onTransitionEnd()" (touchend)="onTouchEnd($event)" (touchstart)="onTouchStart($event)" (touchmove)="onTouchMove($event)">
<div *ngFor="let item of clonedItemsForStarting; let index = index" [ngClass]= "{'ui-carousel-item ui-carousel-item-cloned': true,'ui-carousel-item-active': (totalShiftedItems * -1) === (value.length),
'ui-carousel-item-start': 0 === index,
'ui-carousel-item-end': (clonedItemsForStarting.length - 1) === index}">
<ng-container *ngTemplateOutlet="itemTemplate; context: {$implicit: item}"></ng-container>
</div>
<div *ngFor="let item of value; let index = index" [ngClass]= "{'ui-carousel-item': true,'ui-carousel-item-active': (firstIndex() <= index && lastIndex() >= index),
'ui-carousel-item-start': firstIndex() === index,
'ui-carousel-item-end': lastIndex() === index}">
<ng-container *ngTemplateOutlet="itemTemplate; context: {$implicit: item}"></ng-container>
</div>
<div *ngFor="let item of clonedItemsForFinishing; let index = index" [ngClass]= "{'ui-carousel-item ui-carousel-item-cloned': true,'ui-carousel-item-active': ((totalShiftedItems *-1) === numVisible),
'ui-carousel-item-start': 0 === index,
'ui-carousel-item-end': (clonedItemsForFinishing.length - 1) === index}">
<ng-container *ngTemplateOutlet="itemTemplate; context: {$implicit: item}"></ng-container>
</div>
</div>
</div>
<button [ngClass]="{'ui-carousel-next ui-button ui-widget ui-state-default ui-corner-all': true, 'ui-state-disabled': isForwardNavDisabled()}" [disabled]="isForwardNavDisabled()" (click)="navForward($event)">
<span [ngClass]="{'ui-carousel-next-icon pi': true, 'pi-chevron-right': !isVertical(), 'pi-chevron-down': isVertical()}"></span>
</button>
</div>
<ul [class]="dotsContentClasses()">
<li *ngFor="let totalDot of totalDotsArray(); let i = index" [ngClass]="{'ui-carousel-dot-item':true,'ui-state-highlight': _page === i}">
<button class="ui-button ui-widget ui-state-default ui-corner-all" (click)="onDotClick($event, i)">
<span [ngClass]="{'ui-carousel-dot-icon pi':true, 'pi-circle-on': _page === i, 'pi-circle-off': !(_page === i)}"></span>
</button>
</li>
</ul>
</div>
<div class="ui-carousel-footer" *ngIf="footerFacet">
<ng-content select="p-footer"></ng-content>
</div>
</div>
`,
changeDetection: ChangeDetectionStrategy.Default
})
], Carousel);
let CarouselModule = class CarouselModule {
};
CarouselModule = __decorate([
NgModule({
imports: [CommonModule, SharedModule],
exports: [CommonModule, Carousel, SharedModule],
declarations: [Carousel]
})
], CarouselModule);
/**
* Generated bundle index. Do not edit.
*/
export { Carousel, CarouselModule };
//# sourceMappingURL=primeng-carousel.js.map