mirror of
https://github.com/bpatrik/pigallery2.git
synced 2024-12-14 11:23:17 +02:00
258 lines
8.4 KiB
TypeScript
258 lines
8.4 KiB
TypeScript
///<reference path="../../../browser.d.ts"/>
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import {Component, ElementRef, ViewChild, QueryList} from "@angular/core";
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import {Photo} from "../../../../common/entities/Photo";
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import {GalleryPhotoComponent} from "../grid/photo/photo.grid.gallery.component.ts";
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import {AnimationBuilder} from "@angular/platform-browser/src/animate/animation_builder";
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import {BrowserDomAdapter} from "@angular/platform-browser/src/browser_common";
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import {Dimension} from "../../model/IRenderable";
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import {GalleryLightboxPhotoComponent} from "./photo/photo.lightbox.gallery.component";
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@Component({
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selector: 'gallery-lightbox',
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styleUrls: ['app/gallery/lightbox/lightbox.gallery.component.css'],
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templateUrl: 'app/gallery/lightbox/lightbox.gallery.component.html',
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directives: [GalleryLightboxPhotoComponent]
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})
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export class GalleryLightboxComponent {
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@ViewChild('lightbox') lightBoxDiv:ElementRef;
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@ViewChild('blackCanvas') blackCanvasDiv:ElementRef;
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@ViewChild('controls') controlsDiv:ElementRef;
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@ViewChild('imgContainer') imgContainer:GalleryLightboxPhotoComponent;
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public imageSize = {width: "auto", height: "100"};
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public navigation = {hasPrev: true, hasNext: true};
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private activePhoto:GalleryPhotoComponent;
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public gridPhotoQL:QueryList<GalleryPhotoComponent>;
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private dom:BrowserDomAdapter;
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constructor(private animBuilder:AnimationBuilder) {
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this.dom = new BrowserDomAdapter();
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}
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public nextImage() {
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let pcList = this.gridPhotoQL.toArray();
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for (let i = 0; i < pcList.length; i++) {
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if (pcList[i] === this.activePhoto && i + 1 < pcList.length) {
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this.activePhoto = pcList[i + 1];
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this.navigation.hasPrev = true;
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if (i + 2 < pcList.length) {
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this.navigation.hasNext = true;
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} else {
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this.navigation.hasNext = false;
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}
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let toImage = this.calcLightBoxPhotoDimension(this.activePhoto.gridPhoto.photo).toStyle();
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this.forceAnimateFrom(toImage,
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{},
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this.imgContainer.nativeElement.nativeElement);
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this.setImageSize();
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return;
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}
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}
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}
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public prevImage() {
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let pcList = this.gridPhotoQL.toArray();
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for (let i = 0; i < pcList.length; i++) {
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if (pcList[i] === this.activePhoto && i > 0) {
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this.activePhoto = pcList[i - 1];
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this.navigation.hasNext = true;
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if (i - 1 > 0) {
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this.navigation.hasPrev = true;
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} else {
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this.navigation.hasPrev = false;
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}
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let toImage = this.calcLightBoxPhotoDimension(this.activePhoto.gridPhoto.photo).toStyle();
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this.forceAnimateFrom(toImage,
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{},
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this.imgContainer.nativeElement.nativeElement);
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this.setImageSize();
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return;
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}
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}
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}
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private setImageSize() {
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if (this.activePhoto.gridPhoto.photo.metadata.size.height > this.activePhoto.gridPhoto.photo.metadata.size.width) {
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this.imageSize.height = "100";
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this.imageSize.width = null;
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} else {
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this.imageSize.height = null;
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this.imageSize.width = "100";
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}
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}
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public show(photo:Photo) {
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let selectedPhoto = this.findPhotoComponent(photo);
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if (selectedPhoto === null) {
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throw new Error("Can't find Photo");
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}
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this.dom.setStyle(this.dom.query('body'), 'overflow', 'hidden');
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this.activePhoto = selectedPhoto;
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this.setImageSize();
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let from = this.activePhoto.getDimension();
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from.top -= this.getBodyScrollTop();
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let fromImage = {width: from.width + "px", height: from.height + "px", top: "0px", left: "0px"};
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let toImage = this.calcLightBoxPhotoDimension(this.activePhoto.gridPhoto.photo).toStyle();
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this.forceAnimateFrom(fromImage,
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toImage,
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this.imgContainer.nativeElement.nativeElement);
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this.forceAnimateFrom(from.toStyle(),
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{height: "100%", width: "100%", "top": "0px", "left": "0px"},
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this.lightBoxDiv.nativeElement);
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this.forceAnimateFrom({opacity: "0", display: "block"},
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{opacity: "1"},
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this.blackCanvasDiv.nativeElement);
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this.forceAnimateFrom({opacity: "0", display: "block"},
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{opacity: "1"},
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this.controlsDiv.nativeElement);
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}
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public hide() {
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console.log("hiding");
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let to = this.activePhoto.getDimension();
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//iff target image out of screen -> scroll to there
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if (this.getBodyScrollTop() > to.top || this.getBodyScrollTop() + this.getScreenHeight() < to.top) {
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this.setBodyScrollTop(to.top);
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}
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to.top -= this.getBodyScrollTop();
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this.forceAnimateTo({height: "100%", width: "100%", "top": "0px", "left": "0px"},
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to.toStyle(),
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this.lightBoxDiv.nativeElement,
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{height: "0px", width: "0px", "top": "0px", "left": "0px"},
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()=> {
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this.activePhoto = null;
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});
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this.dom.setStyle(this.dom.query('body'), 'overflow', 'auto');
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this.forceAnimateTo({opacity: "1.0", display: "block"},
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{opacity: "0.0", display: "block"},
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this.blackCanvasDiv.nativeElement,
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{display: "none"});
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this.forceAnimateTo({opacity: "1.0", display: "block"},
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{opacity: "0.0", display: "block"},
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this.controlsDiv.nativeElement,
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{display: "none"});
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let fromImage = this.calcLightBoxPhotoDimension(this.activePhoto.gridPhoto.photo).toStyle();
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let toImage = {width: to.width + "px", height: to.height + "px", top: "0px", left: "0px"};
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this.forceAnimateTo(fromImage,
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toImage,
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this.imgContainer.nativeElement.nativeElement);
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}
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private findPhotoComponent(photo) {
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let galleryPhotoComponents = this.gridPhotoQL.toArray();
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let selectedPhoto:GalleryPhotoComponent = null;
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for (let i = 0; i < galleryPhotoComponents.length; i++) {
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if (galleryPhotoComponents[i].gridPhoto.photo == photo) {
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selectedPhoto = galleryPhotoComponents[i];
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break;
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}
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}
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return selectedPhoto;
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}
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private forceAnimateFrom(from, to, elemnet) {
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let anim0 = this.animBuilder.css();
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anim0.setDuration(0);
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anim0.setToStyles(from);
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anim0.start(elemnet).onComplete(()=> {
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let anim1 = this.animBuilder.css();
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anim1.setDuration(500);
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anim1.setFromStyles(from);
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anim1.setToStyles(to);
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anim1.start(elemnet);
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});
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}
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private forceAnimateTo(from, to, elemnet, innerTo = null, onComplete = ()=> {
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}) {
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if (innerTo == null) {
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innerTo = to;
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}
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let anim0 = this.animBuilder.css();
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anim0.setDuration(500);
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anim0.setFromStyles(from);
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anim0.setToStyles(to);
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anim0.start(elemnet).onComplete(()=> {
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let anim1 = this.animBuilder.css();
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anim1.setDuration(0);
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anim1.setToStyles(innerTo);
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anim1.start(elemnet).onComplete(onComplete);
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});
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}
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private getBodyScrollTop() {
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return this.dom.getProperty(this.dom.query('body'), 'scrollTop');
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}
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private setBodyScrollTop(value) {
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return this.dom.setProperty(this.dom.query('body'), 'scrollTop', value);
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}
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private getScreenWidth() {
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return window.innerWidth;
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}
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private getScreenHeight() {
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return window.innerHeight;
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}
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private calcLightBoxPhotoDimension(photo:Photo):Dimension {
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let width = 0;
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let height = 0;
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if (photo.metadata.size.height > photo.metadata.size.width) {
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width = Math.round(photo.metadata.size.width * (this.getScreenHeight() / photo.metadata.size.height));
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height = this.getScreenHeight();
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} else {
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width = this.getScreenWidth();
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height = Math.round(photo.metadata.size.height * (this.getScreenWidth() / photo.metadata.size.width));
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}
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let top = (this.getScreenHeight() / 2 - height / 2);
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let left = (this.getScreenWidth() / 2 - width / 2);
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return new Dimension(top, left, width, height);
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}
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}
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