forked from sheetjs/sheetjs
SheetJS
08bb7e6e60
- `writeFile` support chrome extension (fixes #1051 h/t @atkinsam) - demo refresh
84 lines
2.7 KiB
TypeScript
84 lines
2.7 KiB
TypeScript
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
|
|
/* vim: set ts=2: */
|
|
|
|
import { Component } from "@angular/core";
|
|
import * as dockModule from "tns-core-modules/ui/layouts/dock-layout";
|
|
import * as buttonModule from "tns-core-modules/ui/button";
|
|
import * as textModule from "tns-core-modules/text";
|
|
import * as dialogs from "ui/dialogs";
|
|
import * as fs from "tns-core-modules/file-system";
|
|
|
|
/* NativeScript does not support import syntax for npm modules */
|
|
const XLSX = require("./xlsx.full.min.js");
|
|
|
|
@Component({
|
|
selector: "my-app",
|
|
template: `
|
|
<GridLayout rows="auto, *, auto">
|
|
<ActionBar row="0" title="SheetJS NativeScript Demo" class="action-bar"></ActionBar>
|
|
|
|
<!-- data converted to HTML and rendered in web view -->
|
|
<WebView row="1" src="{{html}}"></WebView>
|
|
|
|
<DockLayout row="2" dock="bottom" stretchLastChild="false">
|
|
<Button text="Import File" (tap)="import()" style="padding: 10px"></Button>
|
|
<Button text="Export File" (tap)="export()" style="padding: 10px"></Button>
|
|
</DockLayout>
|
|
</GridLayout>
|
|
`
|
|
})
|
|
|
|
export class AppComponent {
|
|
html: string = "";
|
|
constructor() {
|
|
const ws = XLSX.utils.aoa_to_sheet([[1,2],[3,4]]);
|
|
this.html = XLSX.utils.sheet_to_html(ws);
|
|
};
|
|
|
|
/* Import button */
|
|
async import() {
|
|
const filename: string = "SheetJSNS.xlsx";
|
|
|
|
/* find appropriate path */
|
|
const target: fs.Folder = fs.knownFolders.documents() || fs.knownFolders.ios.sharedPublic();
|
|
const url: string = fs.path.normalize(target.path + "///" + filename);
|
|
const file: fs.File = fs.File.fromPath(url);
|
|
|
|
try {
|
|
/* get binary string */
|
|
const bstr: string = await file.readText(textModule.encoding.ISO_8859_1);
|
|
|
|
/* read workbook */
|
|
const wb = XLSX.read(bstr, { type: "binary" });
|
|
|
|
/* grab first sheet */
|
|
const wsname: string = wb.SheetNames[0];
|
|
const ws = wb.Sheets[wsname];
|
|
|
|
/* update table */
|
|
this.html = XLSX.utils.sheet_to_html(ws);
|
|
dialogs.alert(`Attempting to read to SheetJSNS.xlsx in ${url}`);
|
|
} catch(e) {
|
|
dialogs.alert(e.message);
|
|
}
|
|
};
|
|
|
|
/* Export button */
|
|
async export() {
|
|
const wb = XLSX.read(this.html, { type: "string" });
|
|
const filename: string = "SheetJSNS.xlsx";
|
|
|
|
/* generate binary string */
|
|
const wbout: string = XLSX.write(wb, { bookType: 'xlsx', type: 'binary' });
|
|
|
|
/* find appropriate path */
|
|
const target: fs.Folder = fs.knownFolders.documents() || fs.knownFolders.ios.sharedPublic();
|
|
const url: string = fs.path.normalize(target.path + "///" + filename);
|
|
const file: fs.File = fs.File.fromPath(url);
|
|
|
|
/* attempt to save binary string to file */
|
|
await file.writeText(wbout, textModule.encoding.ISO_8859_1);
|
|
dialogs.alert(`Wrote to SheetJSNS.xlsx in ${url}`);
|
|
};
|
|
}
|