angular-x-image-viewer
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A configurable Angular image viewer component, compatible with Angular 7.x+
509 lines (477 loc) • 28 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common'), require('@angular/platform-browser')) :
typeof define === 'function' && define.amd ? define('angular-x-image-viewer', ['exports', '@angular/core', '@angular/common', '@angular/platform-browser'], factory) :
(global = global || self, factory(global['angular-x-image-viewer'] = {}, global.ng.core, global.ng.common, global.ng.platformBrowser));
}(this, (function (exports, core, common, platformBrowser) { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
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var CustomImageEvent = /** @class */ (function () {
function CustomImageEvent(name, imageIndex) {
this.name = name;
this.imageIndex = imageIndex;
}
return CustomImageEvent;
}());
var DEFAULT_CONFIG = {
btnClass: 'default',
zoomFactor: 0.1,
containerBackgroundColor: '#ccc',
wheelZoom: false,
allowFullscreen: true,
allowKeyboardNavigation: true,
btnShow: {
zoomIn: true,
zoomOut: true,
rotateClockwise: true,
rotateCounterClockwise: true,
next: true,
prev: true
},
btnIcons: {
zoomIn: 'fa fa-plus',
zoomOut: 'fa fa-minus',
rotateClockwise: 'fa fa-repeat',
rotateCounterClockwise: 'fa fa-undo',
next: 'fa fa-arrow-right',
prev: 'fa fa-arrow-left',
fullscreen: 'fa fa-arrows-alt',
}
};
var AngularImageViewerComponent = /** @class */ (function () {
function AngularImageViewerComponent(moduleConfig, sanitizer) {
this.moduleConfig = moduleConfig;
this.sanitizer = sanitizer;
this.index = 0;
this.indexChange = new core.EventEmitter();
this.configChange = new core.EventEmitter();
this.customImageEvent = new core.EventEmitter();
this.styleHeight = '98vh';
this.style = { transform: '', msTransform: '', oTransform: '', webkitTransform: '' };
this.fullscreen = false;
this.loading = true;
this.scale = 1;
this.rotation = 0;
this.translateX = 0;
this.translateY = 0;
this.hovered = false;
}
AngularImageViewerComponent.prototype.ngOnChanges = function (changes) {
if (changes.screenHeightOccupied) {
this.styleHeight = 'calc(98vh - ' + this.screenHeightOccupied + 'px)';
// console.log('Style Height:', this.styleHeight);
}
};
AngularImageViewerComponent.prototype.ngOnInit = function () {
var merged = this.mergeConfig(DEFAULT_CONFIG, this.moduleConfig);
this.config = this.mergeConfig(merged, this.config);
this.triggerConfigBinding();
};
AngularImageViewerComponent.prototype.nextImage = function (event) {
if (this.canNavigate(event) && this.index < this.src.length - 1) {
this.loading = true;
this.index++;
this.triggerIndexBinding();
this.reset();
}
};
AngularImageViewerComponent.prototype.prevImage = function (event) {
if (this.canNavigate(event) && this.index > 0) {
this.loading = true;
this.index--;
this.triggerIndexBinding();
this.reset();
}
};
AngularImageViewerComponent.prototype.zoomIn = function () {
this.scale *= (1 + this.config.zoomFactor);
this.updateStyle();
};
AngularImageViewerComponent.prototype.zoomOut = function () {
if (this.scale > this.config.zoomFactor) {
this.scale /= (1 + this.config.zoomFactor);
}
this.updateStyle();
};
AngularImageViewerComponent.prototype.scrollZoom = function (evt) {
if (this.config.wheelZoom) {
evt.deltaY > 0 ? this.zoomOut() : this.zoomIn();
return false;
}
};
AngularImageViewerComponent.prototype.rotateClockwise = function () {
this.rotation += 90;
this.updateStyle();
};
AngularImageViewerComponent.prototype.rotateCounterClockwise = function () {
this.rotation -= 90;
this.updateStyle();
};
AngularImageViewerComponent.prototype.onLoad = function (url) {
console.log('Loading Image Done:', url);
this.loading = false;
};
AngularImageViewerComponent.prototype.onLoadStart = function (url) {
console.log('Loading Image:', url);
this.loading = true;
};
AngularImageViewerComponent.prototype.imageNotFound = function (url) {
console.log('Image not found Url:', url);
};
AngularImageViewerComponent.prototype.onDragOver = function (evt) {
this.translateX += (evt.clientX - this.prevX);
this.translateY += (evt.clientY - this.prevY);
this.prevX = evt.clientX;
this.prevY = evt.clientY;
this.updateStyle();
};
AngularImageViewerComponent.prototype.onDragStart = function (evt) {
if (evt.dataTransfer && evt.dataTransfer.setDragImage) {
evt.dataTransfer.setDragImage(evt.target.nextElementSibling, 0, 0);
}
this.prevX = evt.clientX;
this.prevY = evt.clientY;
};
AngularImageViewerComponent.prototype.toggleFullscreen = function () {
this.fullscreen = !this.fullscreen;
if (!this.fullscreen) {
this.reset();
}
};
AngularImageViewerComponent.prototype.triggerIndexBinding = function () {
this.indexChange.emit(this.index);
};
AngularImageViewerComponent.prototype.triggerConfigBinding = function () {
this.configChange.next(this.config);
};
AngularImageViewerComponent.prototype.fireCustomEvent = function (name, imageIndex) {
this.customImageEvent.emit(new CustomImageEvent(name, imageIndex));
};
AngularImageViewerComponent.prototype.reset = function () {
this.scale = 1;
this.rotation = 0;
this.translateX = 0;
this.translateY = 0;
this.updateStyle();
};
AngularImageViewerComponent.prototype.onMouseOver = function () {
this.hovered = true;
};
AngularImageViewerComponent.prototype.onMouseLeave = function () {
this.hovered = false;
};
AngularImageViewerComponent.prototype.canNavigate = function (event) {
return event == null || (this.config.allowKeyboardNavigation && this.hovered);
};
AngularImageViewerComponent.prototype.updateStyle = function () {
this.style.transform = "translate(" + this.translateX + "px, " + this.translateY + "px) rotate(" + this.rotation + "deg) scale(" + this.scale + ")";
this.style.msTransform = this.style.transform;
this.style.webkitTransform = this.style.transform;
this.style.oTransform = this.style.transform;
};
AngularImageViewerComponent.prototype.mergeConfig = function (defaultValues, overrideValues) {
var result = __assign({}, defaultValues);
if (overrideValues) {
result = __assign(__assign({}, defaultValues), overrideValues);
if (overrideValues.btnIcons) {
result.btnIcons = __assign(__assign({}, defaultValues.btnIcons), overrideValues.btnIcons);
}
}
return result;
};
AngularImageViewerComponent.ctorParameters = function () { return [
{ type: undefined, decorators: [{ type: core.Optional }, { type: core.Inject, args: ['config',] }] },
{ type: platformBrowser.DomSanitizer }
]; };
__decorate([
core.Input()
], AngularImageViewerComponent.prototype, "src", void 0);
__decorate([
core.Input()
], AngularImageViewerComponent.prototype, "screenHeightOccupied", void 0);
__decorate([
core.Input()
], AngularImageViewerComponent.prototype, "index", void 0);
__decorate([
core.Input()
], AngularImageViewerComponent.prototype, "config", void 0);
__decorate([
core.Output()
], AngularImageViewerComponent.prototype, "indexChange", void 0);
__decorate([
core.Output()
], AngularImageViewerComponent.prototype, "configChange", void 0);
__decorate([
core.Output()
], AngularImageViewerComponent.prototype, "customImageEvent", void 0);
__decorate([
core.HostListener('window:keyup.ArrowRight', ['$event'])
], AngularImageViewerComponent.prototype, "nextImage", null);
__decorate([
core.HostListener('window:keyup.ArrowLeft', ['$event'])
], AngularImageViewerComponent.prototype, "prevImage", null);
__decorate([
core.HostListener('mouseover')
], AngularImageViewerComponent.prototype, "onMouseOver", null);
__decorate([
core.HostListener('mouseleave')
], AngularImageViewerComponent.prototype, "onMouseLeave", null);
AngularImageViewerComponent = __decorate([
core.Component({
selector: 'angular-image-viewer',
template: "<div [appScreenfull]=\"fullscreen\" class=\"img-container\" [style.height]=\"styleHeight\"\n [style.backgroundColor]=\"config.containerBackgroundColor\" (wheel)=\"scrollZoom($event)\"\n (dragover)=\"onDragOver($event)\">\n <img [src]=\"src[index]\" [ngStyle]=\"style\" alt=\"Image not found...\" (dragstart)=\"onDragStart($event)\"\n (load)=\"onLoad(src[index])\" (error)=\"imageNotFound(src[index])\" (loadstart)=\"onLoadStart(src[index])\" />\n <!-- Div below will be used to hide the 'ghost' image when dragging -->\n <div></div>\n <div class=\"spinner-container\" *ngIf=\"loading\">\n <div class=\"spinner\"></div>\n </div>\n\n <button type=\"button\" [class]=\"config.btnClass\" *ngIf=\"config.btnShow.rotateCounterClockwise\"\n (click)=\"rotateCounterClockwise()\">\n <span [class]=\"config.btnIcons.rotateCounterClockwise\"></span>\n </button>\n <button type=\"button\" [class]=\"config.btnClass\" *ngIf=\"config.btnShow.rotateClockwise\" (click)=\"rotateClockwise()\">\n <span [class]=\"config.btnIcons.rotateClockwise\"></span>\n </button>\n\n <button type=\"button\" [class]=\"config.btnClass\" *ngIf=\"config.btnShow.zoomOut\" (click)=\"zoomOut()\">\n <span [class]=\"config.btnIcons.zoomOut\"></span>\n </button>\n <button type=\"button\" [class]=\"config.btnClass\" *ngIf=\"config.btnShow.zoomIn\" (click)=\"zoomIn()\">\n <span [class]=\"config.btnIcons.zoomIn\"></span>\n </button>\n\n <button type=\"button\" [class]=\"config.btnClass\" *ngFor=\"let cBtn of config.customBtns\"\n (click)=\"fireCustomEvent(cBtn.name, index)\">\n <span [class]=\"cBtn.icon\"></span>\n </button>\n\n <button type=\"button\" id=\"ngx-fs-btn\" [class]=\"config.btnClass\" (click)=\"toggleFullscreen()\"\n *ngIf=\"config.allowFullscreen\">\n <span [class]=\"config.btnIcons.fullscreen\"></span>\n </button>\n\n <div class=\"nav-button-container\" *ngIf=\"src.length > 1\">\n <button type=\"button\" [class]=\"config.btnClass\" (click)=\"prevImage($event)\" [disabled]=\"index === 0\">\n <span [class]=\"config.btnIcons.prev\"></span>\n </button>\n <button type=\"button\" [class]=\"config.btnClass\" (click)=\"nextImage($event)\"\n [disabled]=\"index === src.length - 1\">\n <span [class]=\"config.btnIcons.next\"></span>\n </button>\n </div>\n</div>",
styles: [".img-container{width:100%;display:-webkit-box;display:flex;-webkit-box-pack:center;justify-content:center;-webkit-box-align:center;align-items:center;overflow:hidden}.img-container img{max-width:90%;max-height:95%}.img-container button{z-index:99;position:absolute;right:15px}.img-container button:not(:disabled){cursor:pointer}.img-container>button:nth-of-type(1):not(#ngx-fs-btn){bottom:15px}.img-container>button:nth-of-type(2):not(#ngx-fs-btn){bottom:65px}.img-container>button:nth-of-type(3):not(#ngx-fs-btn){bottom:115px}.img-container>button:nth-of-type(4):not(#ngx-fs-btn){bottom:165px}.img-container>button:nth-of-type(5):not(#ngx-fs-btn){bottom:215px}.img-container>button:nth-of-type(6):not(#ngx-fs-btn){bottom:265px}.img-container>button:nth-of-type(7):not(#ngx-fs-btn){bottom:315px}#ngx-fs-btn{top:15px}button.default{height:40px;width:40px;border:1px solid #555;border-radius:50%;background-color:#fff;opacity:.7;-webkit-transition:opacity .2s;transition:opacity .2s}button.default:hover{opacity:1}button.default:disabled{opacity:.25}.nav-button-container>button{position:relative;right:0;margin:0 10px}.nav-button-container{text-align:center;position:absolute;z-index:98;bottom:10px;left:0;right:0}.spinner-container{position:absolute;left:0;right:0;top:0;bottom:0;width:60px;height:60px;margin:auto;padding:10px;background-color:rgba(0,0,0,.4);border-radius:25%}.spinner{border-width:7px;border-style:solid;border-color:#ccc #ccc #222;border-radius:50%;height:100%;width:100%;box-sizing:border-box;-webkit-animation:2s linear infinite rotation;animation:2s linear infinite rotation}@keyframes rotation{from{-webkit-transform:rotate(0)}to{-webkit-transform:rotate(359deg)}}@-webkit-keyframes rotation{from{-webkit-transform:rotate(0)}to{-webkit-transform:rotate(359deg)}}"]
}),
__param(0, core.Optional()), __param(0, core.Inject('config'))
], AngularImageViewerComponent);
return AngularImageViewerComponent;
}());
// import * as screenfull from 'screenfull';
var FullScreenDirective = /** @class */ (function () {
function FullScreenDirective(el) {
this.el = el;
}
FullScreenDirective.prototype.ngOnChanges = function (changes) {
console.log('fullscreenState isFirstChange:', changes["fullscreenState"].isFirstChange());
console.log('fullscreenState', this.fullscreenState);
// if (screenfull.isEnabled) {
// screenfull.toggle(this.el.nativeElement);
// }
// if (this.fullscreenState && screenfull.isEnabled) {
// screenfull.request(this.el.nativeElement);
// } else if (screenfull.isEnabled) {
// screenfull.exit();
// }
// tslint:disable-next-line: no-string-literal
if (!changes['fullscreenState'].isFirstChange()) {
if (this.fullscreenState) {
var element = this.el.nativeElement;
// tslint:disable-next-line: max-line-length
var requestMethod = element.requestFullscreen || element.webkitRequestFullScreen || element.mozRequestFullScreen || element.msRequestFullScreen;
if (requestMethod) { // Native full screen.
requestMethod.call(element);
}
else {
console.log('FullScreen Request Method Not Supported on this browser.');
}
}
else {
var element = document;
// tslint:disable-next-line: max-line-length
var requestMethod = element.cancelFullscreen || element.webkitExitFullscreen || element.webkitCancelFullScreen || element.mozCancelFullScreen || element.msExitFullScreen;
if (requestMethod) { // Native Cancel full screen.
requestMethod.call(element);
}
else {
console.log('FullScreen Cancel Request Method Not Supported on this browser.');
}
}
}
};
FullScreenDirective.prototype.ngOnInit = function () {
};
FullScreenDirective.ctorParameters = function () { return [
{ type: core.ElementRef }
]; };
__decorate([
core.Input('appScreenfull')
], FullScreenDirective.prototype, "fullscreenState", void 0);
FullScreenDirective = __decorate([
core.Directive({
selector: '[appScreenfull]'
})
], FullScreenDirective);
return FullScreenDirective;
}());
// import { ImageViewerConfig } from 'dist/angular-image-viewer/public-api';
var AngularImageViewerModule = /** @class */ (function () {
function AngularImageViewerModule() {
}
AngularImageViewerModule = __decorate([
core.NgModule({
declarations: [AngularImageViewerComponent, FullScreenDirective],
imports: [
common.CommonModule,
],
exports: [AngularImageViewerComponent, FullScreenDirective]
})
], AngularImageViewerModule);
return AngularImageViewerModule;
}());
exports.AngularImageViewerComponent = AngularImageViewerComponent;
exports.AngularImageViewerModule = AngularImageViewerModule;
exports.CustomImageEvent = CustomImageEvent;
exports.FullScreenDirective = FullScreenDirective;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=angular-x-image-viewer.umd.js.map