ngx-doc-viewer2
Version:
Angular document viewer.
529 lines (519 loc) • 27.8 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/platform-browser'), require('rxjs/operators'), require('rxjs'), require('@angular/common')) :
typeof define === 'function' && define.amd ? define('ngx-doc-viewer2', ['exports', '@angular/core', '@angular/platform-browser', 'rxjs/operators', 'rxjs', '@angular/common'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global['ngx-doc-viewer2'] = {}, global.ng.core, global.ng.platformBrowser, global.rxjs.operators, global.rxjs, global.ng.common));
}(this, (function (exports, core, platformBrowser, operators, rxjs, common) { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
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var NgxDocViewerComponent = /** @class */ (function () {
function NgxDocViewerComponent(domSanitizer, ngZone) {
this.domSanitizer = domSanitizer;
this.ngZone = ngZone;
this.loaded = new core.EventEmitter();
this.url = '';
this.queryParams = '';
this.viewerUrl = '';
this.googleCheckInterval = 3000;
this.disableContent = 'none';
this.googleCheckContentLoaded = true;
this.fullUrl = null;
this.externalViewer = false;
this.docHtml = '';
this.configuredViewer = 'google';
this.checkIFrameSubscription = null;
}
NgxDocViewerComponent.prototype.ngOnDestroy = function () {
if (this.checkIFrameSubscription) {
this.checkIFrameSubscription.unsubscribe();
}
};
NgxDocViewerComponent.prototype.ngOnChanges = function (changes) {
return __awaiter(this, void 0, void 0, function () {
var u, url, start, _c;
var _this = this;
return __generator(this, function (_d) {
switch (_d.label) {
case 0:
if (changes && changes.viewer && (changes.viewer.isFirstChange || changes.viewer.currentValue !== changes.viewer.previousValue)) {
if (this.viewer !== 'google' && this.viewer !== 'office' &&
this.viewer !== 'mammoth' && this.viewer !== 'pdf' && this.viewer !== 'url') {
console.error("Unsupported viewer: '" + this.viewer + "'. Supported viewers: google, office, mammoth and pdf");
}
if (this.viewer === 'mammoth') {
if (mammoth === null) {
console.error('please install mammoth when using local viewer');
}
}
this.configuredViewer = this.viewer;
}
if (this.disableContent !== 'none' && this.viewer !== 'google') {
}
if (!((changes.url && changes.url.currentValue !== changes.url.previousValue) ||
changes.viewer && changes.viewer.currentValue !== changes.viewer.previousValue ||
changes.viewerUrl && changes.viewerUrl.currentValue !== changes.viewerUrl.previousValue)) return [3 /*break*/, 4];
if (!changes.viewerUrl) {
this.viewerUrl = null;
}
switch (this.configuredViewer) {
case 'google':
this.viewerUrl = "https://docs.google.com/gview?url=%URL%&embedded=true";
break;
case 'office': {
this.viewerUrl = "https://view.officeapps.live.com/op/embed.aspx?src=%URL%";
break;
}
case 'pdf': {
this.viewerUrl = null;
break;
}
}
this.docHtml = '';
this.externalViewer = this.configuredViewer === 'google' || this.configuredViewer === 'office' ||
this.configuredViewer === 'url';
if (this.checkIFrameSubscription) {
this.checkIFrameSubscription.unsubscribe();
}
if (!!this.url) return [3 /*break*/, 1];
this.fullUrl = null;
return [3 /*break*/, 4];
case 1:
if (!(this.configuredViewer === 'office' || this.configuredViewer === 'google'
|| this.configuredViewer === 'pdf' || this.configuredViewer === 'url')) return [3 /*break*/, 2];
u = this.url.indexOf('/') ? encodeURIComponent(this.url) : this.url;
url = this.viewerUrl ? this.viewerUrl.replace('%URL%', u) : this.url;
if (!!this.queryParams && this.configuredViewer !== 'pdf') {
start = this.queryParams.startsWith('&') ? '' : '&';
url = "" + url + start + this.queryParams;
}
this.fullUrl = this.domSanitizer.bypassSecurityTrustResourceUrl(url);
// see:
// https://stackoverflow.com/questions/40414039/google-docs-viewer-returning-204-responses-no-longer-working-alternatives
// hack to reload iframe if it's not loaded.
// would maybe be better to use view.officeapps.live.com but seems not to work with sas token.
if (this.configuredViewer === 'google' && this.googleCheckContentLoaded) {
this.ngZone.runOutsideAngular(function () {
console.log('NGDOC:>>outside');
// if it's not loaded after the googleIntervalCheck, then open load again.
_this.checkIFrameSubscription = rxjs.timer(500, _this.googleCheckInterval)
.pipe(operators.take(Math.round(_this.googleCheckInterval === 0 ? 0 : 20000 / _this.googleCheckInterval)))
.subscribe(function () {
var _a, _b;
console.log('NGDOC:>>checking again');
var iframe = (_b = (_a = _this.iframes) === null || _a === void 0 ? void 0 : _a.first) === null || _b === void 0 ? void 0 : _b.nativeElement;
_this.reloadIFrame(iframe);
});
});
}
return [3 /*break*/, 4];
case 2:
if (!(this.configuredViewer === 'mammoth')) return [3 /*break*/, 4];
if (!mammoth) {
console.error('Please install mammoth and make sure mammoth.browser.min.js is loaded.');
}
_c = this;
return [4 /*yield*/, this.getDocxToHtml(this.url)];
case 3:
_c.docHtml = _d.sent();
_d.label = 4;
case 4: return [2 /*return*/];
}
});
});
};
NgxDocViewerComponent.prototype.iframeLoaded = function () {
var _a, _b;
this.loaded.emit(null);
if (this.checkIFrameSubscription) {
var iframe = (_b = (_a = this.iframes) === null || _a === void 0 ? void 0 : _a.first) === null || _b === void 0 ? void 0 : _b.nativeElement;
if (iframe) {
this.loaded.emit(true);
this.checkIFrameSubscription.unsubscribe();
}
}
};
NgxDocViewerComponent.prototype.reloadIFrame = function (iframe) {
if (iframe) {
var src_1 = iframe.src;
iframe.src = iframe.src;
setTimeout(function () {
iframe.src = src_1;
}, 100);
}
};
NgxDocViewerComponent.prototype.getDocxToHtml = function (url) {
return __awaiter(this, void 0, void 0, function () {
var arrayBuffer, resultObject;
return __generator(this, function (_c) {
switch (_c.label) {
case 0: return [4 /*yield*/, this.fileToArray(url)];
case 1:
arrayBuffer = _c.sent();
return [4 /*yield*/, mammoth.convertToHtml({ arrayBuffer: arrayBuffer })];
case 2:
resultObject = _c.sent();
return [2 /*return*/, resultObject.value];
}
});
});
};
NgxDocViewerComponent.prototype.fileToArray = function (url) {
return new Promise(function (resolve, reject) {
try {
var request_1 = new XMLHttpRequest();
request_1.open('GET', url, true);
request_1.responseType = 'blob';
request_1.onload = function () {
var reader = new FileReader();
reader.readAsArrayBuffer(request_1.response);
reader.onloadend = function (e) {
resolve(reader.result);
};
};
request_1.send();
}
catch (_a) {
reject("error while retrieving file " + url + ".");
}
});
};
return NgxDocViewerComponent;
}());
NgxDocViewerComponent.decorators = [
{ type: core.Component, args: [{
// eslint-disable-next-line @angular-eslint/component-selector
selector: 'ngx-doc-viewer',
template: "<ng-container *ngIf=\"!externalViewer\">\r\n <div *ngIf=\"configuredViewer !== 'pdf'\" [innerHtml]=\"docHtml\"></div>\r\n <object *ngIf=\"fullUrl && configuredViewer === 'pdf'\" [data]=\"fullUrl\"\r\n type=\"application/pdf\" width=\"100%\" height=\"100%\">\r\n <p>Your browser does not support PDFs.\r\n <a [href]=\"fullUrl\">Download the PDF</a>.</p>\r\n </object>\r\n</ng-container>\r\n<ng-container *ngIf=\"externalViewer\">\r\n <iframe (load)=\"iframeLoaded()\" *ngIf=\"fullUrl && disableContent === 'none'\" #iframe id=\"iframe\" frameBorder=\"0\" [src]=\"fullUrl\"></iframe>\r\n <div class=\"container\" *ngIf=\"disableContent !== 'none'\">\r\n <div [class.overlay-full]=\"disableContent === 'all'\"\r\n [class.overlay-popout-google]=\"configuredViewer ==='google' && (disableContent === 'popout' || disableContent === 'popout-hide')\"\r\n [class.overlay-popout-office]=\"configuredViewer ==='office' && (disableContent === 'popout' || disableContent === 'popout-hide')\"\r\n [style.background-color]=\"disableContent === 'popout-hide' ? '#fff': 'transparent'\">\r\n </div>\r\n <iframe (load)=\"iframeLoaded()\" *ngIf=\"fullUrl\" #iframe id=\"iframe\" frameBorder=\"0\" [src]=\"fullUrl\"></iframe>\r\n </div>\r\n</ng-container>",
styles: [":host {\n display: block;\n }\n .container {\n width: 100%;\n height: 100%;\n position: relative;\n }\n .overlay-popout-google {\n width: 40px;\n height: 40px;\n right: 26px;\n top: 11.5px;\n position: absolute;\n z-index: 1000;\n }\n .overlay-popout-office {\n width: 100px;\n height: 20px;\n right: 0;\n bottom: 0;\n position: absolute;\n z-index: 1000;\n }\n .overlay-full {\n width: 100%;\n height: 100%;\n right: 0;\n top: 0;\n position: absolute;\n z-index: 1000;\n }\n iframe {\n width: 100%;\n height: 100%;\n }\n "]
},] }
];
NgxDocViewerComponent.ctorParameters = function () { return [
{ type: platformBrowser.DomSanitizer },
{ type: core.NgZone }
]; };
NgxDocViewerComponent.propDecorators = {
loaded: [{ type: core.Output }],
url: [{ type: core.Input }],
queryParams: [{ type: core.Input }],
viewerUrl: [{ type: core.Input }],
googleCheckInterval: [{ type: core.Input }],
disableContent: [{ type: core.Input }],
googleCheckContentLoaded: [{ type: core.Input }],
viewer: [{ type: core.Input }],
iframes: [{ type: core.ViewChildren, args: ['iframe',] }]
};
var NgxDocViewerModule = /** @class */ (function () {
function NgxDocViewerModule() {
}
return NgxDocViewerModule;
}());
NgxDocViewerModule.decorators = [
{ type: core.NgModule, args: [{
imports: [common.CommonModule],
declarations: [NgxDocViewerComponent],
exports: [NgxDocViewerComponent]
},] }
];
/**
* Generated bundle index. Do not edit.
*/
exports.NgxDocViewerComponent = NgxDocViewerComponent;
exports.NgxDocViewerModule = NgxDocViewerModule;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=ngx-doc-viewer2.umd.js.map