forked from sheetjs/docs.sheetjs.com
		
	
		
			
	
	
		
			86 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
		
		
			
		
	
	
			86 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
|  | import { useEffect, useState } from 'kaioken' | |||
|  | import { read, write, utils, version, WorkBook } from 'xlsx'; | |||
|  | import { DialogFilter, message, open, save } from '@tauri-apps/api/dialog'; | |||
|  | import { fetch, ResponseType } from '@tauri-apps/api/http'; | |||
|  | import { readBinaryFile, writeBinaryFile } from '@tauri-apps/api/fs'; | |||
|  | 
 | |||
|  | const filters: DialogFilter[] = [ | |||
|  |   {name: "Excel Binary Workbook", extensions: ["xlsb"]}, | |||
|  |   {name: "Excel Workbook", extensions: ["xlsx"]}, | |||
|  |   {name: "Excel 97-2004 Workbook", extensions: ["xls"]}, | |||
|  |   {name: "Excel 2003 XML Spreadsheet", extensions: ["xml"]}, | |||
|  |   {name: "Symbolic Link", extensions: ["slk"]}, | |||
|  |   {name: "Flat OpenDocument Spreadsheet", extensions: ["fods"]}, | |||
|  |   {name: "OpenDocument Spreadsheet", extensions: ["fods"]}, | |||
|  |   // ...
 | |||
|  | ]; | |||
|  | 
 | |||
|  | export default function SheetJSTauriKaioken() { | |||
|  |   const [data, setData] = useState<any[][]>([[]]) | |||
|  |   const [origin, setOrigin] = useState(""); | |||
|  | 
 | |||
|  |   const update = (wb: WorkBook) => { | |||
|  |     const ws = wb.Sheets[wb.SheetNames[0]]; | |||
|  |     const d = utils.sheet_to_json<any[]>(ws, { header: 1}) | |||
|  |     setData(d); | |||
|  |   }; | |||
|  | 
 | |||
|  |   /* Load from File */ | |||
|  |   const openFile = async() => { | |||
|  |     try { | |||
|  |       const selected = await open({ | |||
|  |         title: "Open Spreadsheet", | |||
|  |         multiple: false, | |||
|  |         directory: false, | |||
|  |         filters | |||
|  |       }) as string; | |||
|  |       const d = await readBinaryFile(selected); | |||
|  |       const wb = read(d); | |||
|  |       update(wb); | |||
|  |       setOrigin(selected); | |||
|  |     } catch(e) { await message((e as Error).message || (e as string), { title: "Load Error", type: "error"}); } | |||
|  |   }; | |||
|  | 
 | |||
|  |   /* Save to File */ | |||
|  |   const saveFile = async() => { | |||
|  |     try { | |||
|  |       const selected = await save({ | |||
|  |         title: "Save to Spreadsheet", | |||
|  |         filters | |||
|  |       }); | |||
|  |       if(!selected) throw new Error("No file selected"); | |||
|  |       const ws = utils.aoa_to_sheet(data); | |||
|  |       const wb = utils.book_new(); | |||
|  |       utils.book_append_sheet(wb, ws, "SheetJSTauri"); | |||
|  |       const d = write(wb, {type: "buffer", bookType: selected.slice(selected.lastIndexOf(".") + 1) as any}) as Uint8Array; | |||
|  |       await writeBinaryFile(selected, d); | |||
|  |       await message(`File saved to ${selected}`); | |||
|  |     } catch(e) { await message((e as Error).message || (e as string), { title: "Save Error", type: "error"}); } | |||
|  |   }; | |||
|  | 
 | |||
|  |   /* Download from https://sheetjs.com/pres.numbers */ | |||
|  |   useEffect(() => {(async() => { | |||
|  |     try { | |||
|  |       setOrigin("https://sheetjs.com/pres.numbers"); | |||
|  |       const response = await fetch<Uint8Array>("https://sheetjs.com/pres.numbers", { method: "GET", responseType: ResponseType.Binary }); | |||
|  |       const wb = read(new Uint8Array(response.data)); | |||
|  |       update(wb); | |||
|  |     } catch(e) { await message((e as Error).message || (e as string), { title: "Fetch Error", type: "error"}); } | |||
|  |   })(); }, []); | |||
|  | 
 | |||
|  |   return (  <div> | |||
|  |     <h1><a href="https://sheetjs.com" target="_blank"> | |||
|  |       <img src="https://sheetjs.com/sketch128.png" className="logo" alt="SheetJS" /> | |||
|  |     SheetJS × Tauri {version}</a></h1> | |||
|  | 
 | |||
|  |     <div className="centre"><button type="button" onclick={openFile}>Load Data</button> or | |||
|  |     <button type="button" onclick={saveFile}>Save Data</button></div> | |||
|  |     <p className="centre"><b className="centre">Data from { origin }</b></p> | |||
|  |     <table className="center"><tbody> | |||
|  |     {data.map((row) => <tr> | |||
|  |       {row.map((cell) => <td>{cell}</td>)} | |||
|  |     </tr>)} | |||
|  |     </tbody></table> | |||
|  |   </div> | |||
|  |   ); | |||
|  | } |