import 'bootstrap.css';
import '@grapecity/wijmo.styles/wijmo.css';
import './app.css';
//
import * as React from 'react';
import * as ReactDOM from 'react-dom/client';
import * as wjcCore from '@grapecity/wijmo';
import * as wjcXlsx from '@grapecity/wijmo.xlsx';
//
class App extends React.Component {
//
constructor(props) {
super(props);
this._inputStyle = { width: '300px' };
this._navContainerStyle = { marginTop: '40px' };
//
this.state = {
workbook: null,
sheetIndex: -1
};
}
//
render() {
let lists = [];
//
if (this.state.workbook != null) {
lists = this.state.workbook.sheets.map((sheet, index) => {
return <li role="presentation" className={index === this.state.sheetIndex ? 'active' : ''}>
<a href="#" onClick={e => { e.preventDefault(); this._drawSheet(index); }}>{sheet.name}</a>
</li>;
});
}
//
return <div className="container-fluid">
<div className="row">
<input type="file" className="form-control" id="importFile" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel.sheet.macroEnabled.12" style={this._inputStyle}/>
</div>
<ul className="nav nav-tabs" style={this._navContainerStyle}>
{lists}
</ul>
<div id="tableHost"></div>
</div>;
}
//
componentDidMount() {
document.getElementById('importFile').addEventListener('change', () => {
this._loadWorkbook();
});
}
//
_drawSheet(sheetIndex) {
let drawRoot = document.getElementById('tableHost');
drawRoot.textContent = '';
this.setState({ sheetIndex: sheetIndex });
this._drawWorksheet(this.state.workbook, sheetIndex, drawRoot, 200, 100);
}
//
_loadWorkbook() {
let reader = new FileReader();
//
reader.onload = (e) => {
let workbook = new wjcXlsx.Workbook();
workbook.loadAsync(reader.result, (result) => {
this.setState({ workbook: result }, () => {
this._drawSheet(this.state.workbook.activeWorksheet || 0);
});
});
};
//
let file = document.getElementById('importFile').files[0];
if (file) {
reader.readAsDataURL(file);
}
}
//
_drawWorksheet(workbook, sheetIndex, rootElement, maxRows, maxColumns) {
//NOTES:
//Empty cells' values are numeric NaN, format is "General"
//
//Excessive empty properties:
//fill.color = undefined
//
// netFormat should return '' for ''. What is 'General'?
// font.color should start with '#'?
// Column/row styles are applied to each cell style, this is convenient, but Column/row style info should be kept,
// for column/row level styling
// formats conversion is incorrect - dates and virtually everything; netFormat - return array of formats?
// ?row heights - see hello.xlsx
if (!workbook || !workbook.sheets || sheetIndex < 0 || workbook.sheets.length == 0) {
return;
}
//
sheetIndex = Math.min(sheetIndex, workbook.sheets.length - 1);
//
if (maxRows == null) {
maxRows = 200;
}
//
if (maxColumns == null) {
maxColumns = 100;
}
//
// Namespace and XlsxConverter shortcuts.
let sheet = workbook.sheets[sheetIndex], defaultRowHeight = 20, defaultColumnWidth = 60, tableEl = document.createElement('table');
//
tableEl.border = '1';
tableEl.style.borderCollapse = 'collapse';
//
let maxRowCells = 0;
for (let r = 0; sheet.rows && r < sheet.rows.length; r++) {
if (sheet.rows[r] && sheet.rows[r].cells) {
maxRowCells = Math.max(maxRowCells, sheet.rows[r].cells.length);
}
}
//
// add columns
let columns = sheet.columns || [], invisColCnt = columns.filter(col => col.visible === false).length;
//
if (sheet.columns) {
maxRowCells = Math.min(Math.max(maxRowCells, columns.length), maxColumns);
//
for (let c = 0; c < maxRowCells; c++) {
let col = columns[c];
//
if (col && !col.visible) {
continue;
}
//
let colEl = document.createElement('col');
tableEl.appendChild(colEl);
let colWidth = defaultColumnWidth + 'px';
if (col) {
this._importStyle(colEl.style, col.style);
if (col.autoWidth) {
colWidth = '';
}
else if (col.width != null) {
colWidth = col.width + 'px';
}
}
colEl.style.width = colWidth;
}
}
//
// generate rows
let rowCount = Math.min(maxRows, sheet.rows.length);
for (let r = 0; sheet.rows && r < rowCount; r++) {
let row = sheet.rows[r], cellsCnt = 0; // including colspan
//
if (row && !row.visible) {
continue;
}
//
let rowEl = document.createElement('tr');
tableEl.appendChild(rowEl);
//
if (row) {
this._importStyle(rowEl.style, row.style);
if (row.height != null) {
rowEl.style.height = row.height + 'px';
}
//
for (let c = 0; row.cells && c < row.cells.length; c++) {
let cell = row.cells[c], cellEl = document.createElement('td'), col = columns[c];
//
if (col && !col.visible) {
continue;
}
//
cellsCnt++;
//
rowEl.appendChild(cellEl);
if (cell) {
this._importStyle(cellEl.style, cell.style);
let value = cell.value;
//
if (!(value == null || value !== value)) { // TBD: check for NaN should be eliminated
if (wjcCore.isString(value) && value.charAt(0) == "'") {
value = value.substr(1);
}
let netFormat = '';
if (cell.style && cell.style.format) {
netFormat = wjcXlsx.Workbook.fromXlsxFormat(cell.style.format)[0];
}
let fmtValue = netFormat ? wjcCore.Globalize.format(value, netFormat) : value;
cellEl.innerHTML = wjcCore.escapeHtml(fmtValue);
}
//
if (cell.colSpan && cell.colSpan > 1) {
cellEl.colSpan = this._getVisColSpan(columns, c, cell.colSpan);
cellsCnt += cellEl.colSpan - 1;
c += cell.colSpan - 1;
}
//
if (cell.note) {
wjcCore.addClass(cellEl, 'cell-note');
cellEl.title = cell.note.text;
}
}
}
}
//
// pad with empty cells
let padCellsCount = maxRowCells - cellsCnt - invisColCnt;
for (let i = 0; i < padCellsCount; i++) {
rowEl.appendChild(document.createElement('td'));
}
//
if (!rowEl.style.height) {
rowEl.style.height = defaultRowHeight + 'px';
}
}
//
// do it at the end for performance
rootElement.appendChild(tableEl);
}
//
_getVisColSpan(columns, startFrom, colSpan) {
let res = colSpan;
//
for (let i = startFrom; i < columns.length && i < startFrom + colSpan; i++) {
let col = columns[i];
if (col && !col.visible) {
res--;
}
}
//
return res;
}
//
_importStyle(cssStyle, xlsxStyle) {
if (!xlsxStyle) {
return;
}
//
if (xlsxStyle.fill) {
if (xlsxStyle.fill.color) {
cssStyle.backgroundColor = xlsxStyle.fill.color;
}
}
//
if (xlsxStyle.hAlign && xlsxStyle.hAlign != wjcXlsx.HAlign.Fill) {
cssStyle.textAlign = wjcXlsx.HAlign[xlsxStyle.hAlign].toLowerCase();
}
//
let font = xlsxStyle.font;
if (font) {
if (font.family) {
cssStyle.fontFamily = font.family;
}
if (font.bold) {
cssStyle.fontWeight = 'bold';
}
if (font.italic) {
cssStyle.fontStyle = 'italic';
}
if (font.size != null) {
cssStyle.fontSize = font.size + 'px';
}
if (font.underline) {
cssStyle.textDecoration = 'underline';
}
if (font.color) {
cssStyle.color = font.color;
}
}
}
}
//
setTimeout(() => {
const container = document.getElementById('app');
if (container) {
const root = ReactDOM.createRoot(container);
root.render(<App />);
}
}, 100);
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo Workbook Viewer</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- SystemJS -->
<script src="node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('./src/app');
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
.cell-note {
position: relative;
}
.cell-note:after {
content: "";
position: absolute;
display: block;
top: 0;
right: 0;
border-left: 7px solid transparent;
border-top: 7px solid red;
}
(function (global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
react: true
},
meta: {
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'jszip': 'npm:jszip/dist/jszip.js',
'@grapecity/wijmo': 'npm:@grapecity/wijmo/index.js',
'@grapecity/wijmo.input': 'npm:@grapecity/wijmo.input/index.js',
'@grapecity/wijmo.styles': 'npm:@grapecity/wijmo.styles',
'@grapecity/wijmo.cultures': 'npm:@grapecity/wijmo.cultures',
'@grapecity/wijmo.chart': 'npm:@grapecity/wijmo.chart/index.js',
'@grapecity/wijmo.chart.analytics': 'npm:@grapecity/wijmo.chart.analytics/index.js',
'@grapecity/wijmo.chart.animation': 'npm:@grapecity/wijmo.chart.animation/index.js',
'@grapecity/wijmo.chart.annotation': 'npm:@grapecity/wijmo.chart.annotation/index.js',
'@grapecity/wijmo.chart.finance': 'npm:@grapecity/wijmo.chart.finance/index.js',
'@grapecity/wijmo.chart.finance.analytics': 'npm:@grapecity/wijmo.chart.finance.analytics/index.js',
'@grapecity/wijmo.chart.hierarchical': 'npm:@grapecity/wijmo.chart.hierarchical/index.js',
'@grapecity/wijmo.chart.interaction': 'npm:@grapecity/wijmo.chart.interaction/index.js',
'@grapecity/wijmo.chart.radar': 'npm:@grapecity/wijmo.chart.radar/index.js',
'@grapecity/wijmo.chart.render': 'npm:@grapecity/wijmo.chart.render/index.js',
'@grapecity/wijmo.chart.webgl': 'npm:@grapecity/wijmo.chart.webgl/index.js',
'@grapecity/wijmo.chart.map': 'npm:@grapecity/wijmo.chart.map/index.js',
'@grapecity/wijmo.gauge': 'npm:@grapecity/wijmo.gauge/index.js',
'@grapecity/wijmo.grid': 'npm:@grapecity/wijmo.grid/index.js',
'@grapecity/wijmo.grid.detail': 'npm:@grapecity/wijmo.grid.detail/index.js',
'@grapecity/wijmo.grid.filter': 'npm:@grapecity/wijmo.grid.filter/index.js',
'@grapecity/wijmo.grid.search': 'npm:@grapecity/wijmo.grid.search/index.js',
'@grapecity/wijmo.grid.grouppanel': 'npm:@grapecity/wijmo.grid.grouppanel/index.js',
'@grapecity/wijmo.grid.multirow': 'npm:@grapecity/wijmo.grid.multirow/index.js',
'@grapecity/wijmo.grid.transposed': 'npm:@grapecity/wijmo.grid.transposed/index.js',
'@grapecity/wijmo.grid.transposedmultirow': 'npm:@grapecity/wijmo.grid.transposedmultirow/index.js',
'@grapecity/wijmo.grid.pdf': 'npm:@grapecity/wijmo.grid.pdf/index.js',
'@grapecity/wijmo.grid.sheet': 'npm:@grapecity/wijmo.grid.sheet/index.js',
'@grapecity/wijmo.grid.xlsx': 'npm:@grapecity/wijmo.grid.xlsx/index.js',
'@grapecity/wijmo.grid.selector': 'npm:@grapecity/wijmo.grid.selector/index.js',
'@grapecity/wijmo.grid.cellmaker': 'npm:@grapecity/wijmo.grid.cellmaker/index.js',
'@grapecity/wijmo.grid.immutable': 'npm:@grapecity/wijmo.grid.immutable/index.js',
'@grapecity/wijmo.touch': 'npm:@grapecity/wijmo.touch/index.js',
'@grapecity/wijmo.cloud': 'npm:@grapecity/wijmo.cloud/index.js',
'@grapecity/wijmo.nav': 'npm:@grapecity/wijmo.nav/index.js',
'@grapecity/wijmo.odata': 'npm:@grapecity/wijmo.odata/index.js',
'@grapecity/wijmo.olap': 'npm:@grapecity/wijmo.olap/index.js',
'@grapecity/wijmo.rest': 'npm:@grapecity/wijmo.rest/index.js',
'@grapecity/wijmo.pdf': 'npm:@grapecity/wijmo.pdf/index.js',
'@grapecity/wijmo.pdf.security': 'npm:@grapecity/wijmo.pdf.security/index.js',
'@grapecity/wijmo.viewer': 'npm:@grapecity/wijmo.viewer/index.js',
'@grapecity/wijmo.xlsx': 'npm:@grapecity/wijmo.xlsx/index.js',
'@grapecity/wijmo.undo': 'npm:@grapecity/wijmo.undo/index.js',
'@grapecity/wijmo.interop.grid': 'npm:@grapecity/wijmo.interop.grid/index.js',
'@grapecity/wijmo.barcode': 'npm:@grapecity/wijmo.barcode/index.js',
'@grapecity/wijmo.barcode.common': 'npm:@grapecity/wijmo.barcode.common/index.js',
'@grapecity/wijmo.barcode.composite': 'npm:@grapecity/wijmo.barcode.composite/index.js',
'@grapecity/wijmo.barcode.specialized': 'npm:@grapecity/wijmo.barcode.specialized/index.js',
"@grapecity/wijmo.react.chart.analytics": "npm:@grapecity/wijmo.react.chart.analytics/index.js",
"@grapecity/wijmo.react.chart.animation": "npm:@grapecity/wijmo.react.chart.animation/index.js",
"@grapecity/wijmo.react.chart.annotation": "npm:@grapecity/wijmo.react.chart.annotation/index.js",
"@grapecity/wijmo.react.chart.finance.analytics": "npm:@grapecity/wijmo.react.chart.finance.analytics/index.js",
"@grapecity/wijmo.react.chart.finance": "npm:@grapecity/wijmo.react.chart.finance/index.js",
"@grapecity/wijmo.react.chart.hierarchical": "npm:@grapecity/wijmo.react.chart.hierarchical/index.js",
"@grapecity/wijmo.react.chart.interaction": "npm:@grapecity/wijmo.react.chart.interaction/index.js",
"@grapecity/wijmo.react.chart.radar": "npm:@grapecity/wijmo.react.chart.radar/index.js",
"@grapecity/wijmo.react.chart": "npm:@grapecity/wijmo.react.chart/index.js",
"@grapecity/wijmo.react.core": "npm:@grapecity/wijmo.react.core/index.js",
'@grapecity/wijmo.react.chart.map': 'npm:@grapecity/wijmo.react.chart.map/index.js',
"@grapecity/wijmo.react.gauge": "npm:@grapecity/wijmo.react.gauge/index.js",
"@grapecity/wijmo.react.grid.detail": "npm:@grapecity/wijmo.react.grid.detail/index.js",
"@grapecity/wijmo.react.grid.filter": "npm:@grapecity/wijmo.react.grid.filter/index.js",
"@grapecity/wijmo.react.grid.grouppanel": "npm:@grapecity/wijmo.react.grid.grouppanel/index.js",
'@grapecity/wijmo.react.grid.search': 'npm:@grapecity/wijmo.react.grid.search/index.js',
"@grapecity/wijmo.react.grid.multirow": "npm:@grapecity/wijmo.react.grid.multirow/index.js",
"@grapecity/wijmo.react.grid.sheet": "npm:@grapecity/wijmo.react.grid.sheet/index.js",
'@grapecity/wijmo.react.grid.transposed': 'npm:@grapecity/wijmo.react.grid.transposed/index.js',
'@grapecity/wijmo.react.grid.transposedmultirow': 'npm:@grapecity/wijmo.react.grid.transposedmultirow/index.js',
'@grapecity/wijmo.react.grid.immutable': 'npm:@grapecity/wijmo.react.grid.immutable/index.js',
"@grapecity/wijmo.react.grid": "npm:@grapecity/wijmo.react.grid/index.js",
"@grapecity/wijmo.react.input": "npm:@grapecity/wijmo.react.input/index.js",
"@grapecity/wijmo.react.olap": "npm:@grapecity/wijmo.react.olap/index.js",
"@grapecity/wijmo.react.viewer": "npm:@grapecity/wijmo.react.viewer/index.js",
"@grapecity/wijmo.react.nav": "npm:@grapecity/wijmo.react.nav/index.js",
"@grapecity/wijmo.react.base": "npm:@grapecity/wijmo.react.base/index.js",
'@grapecity/wijmo.react.barcode.common': 'npm:@grapecity/wijmo.react.barcode.common/index.js',
'@grapecity/wijmo.react.barcode.composite': 'npm:@grapecity/wijmo.react.barcode.composite/index.js',
'@grapecity/wijmo.react.barcode.specialized': 'npm:@grapecity/wijmo.react.barcode.specialized/index.js',
'jszip': 'npm:jszip/dist/jszip.js',
'react': 'npm:react/umd/react.production.min.js',
'react-dom': 'npm:react-dom/umd/react-dom.production.min.js',
'react-dom/client': 'npm:react-dom/umd/react-dom.production.min.js',
'redux': 'npm:redux/dist/redux.min.js',
'react-redux': 'npm:react-redux/dist/react-redux.min.js',
'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css',
'css': 'npm:systemjs-plugin-css/css.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'jsx'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);