import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import * as wjcCore from '@mescius/wijmo';
import * as wjcXlsx from '@mescius/wijmo.xlsx';
import './styles.css';
//
document.readyState === 'complete' ? init() : window.onload = init;
//
function init() {
let workbook;
//
document.querySelector('#importFile').addEventListener('change', () => {
loadWorkbook();
});
//
document.querySelector('#sheetNav').addEventListener('click', (e) => {
e.preventDefault();
//
let navEle = e.target.parentElement;
let activeIndex = toggleNavActiveStatus(navEle);
if (activeIndex !== -1) {
drawSheet(activeIndex);
}
});
//
function loadWorkbook() {
let reader = new FileReader();
//
reader.onload = (e) => {
let tmp = new wjcXlsx.Workbook();
tmp.loadAsync(reader.result, (result) => {
workbook = result;
drawSheetNav(workbook.activeWorksheet || 0);
drawSheet(workbook.activeWorksheet || 0);
});
};
//
let file = document.getElementById('importFile').files[0];
if (file) {
reader.readAsDataURL(file);
}
}
//
function drawSheet(sheetIndex) {
let drawRoot = document.getElementById('tableHost');
drawRoot.textContent = '';
drawWorksheet(workbook, sheetIndex, drawRoot, 200, 100);
}
//
function drawSheetNav(activeIndex) {
let contianer = document.querySelector('#sheetNav');
contianer.innerHTML = '';
let navItem = '';
for (let i = 0; i < workbook.sheets.length; i++) {
let sheet = workbook.sheets[i];
navItem += `<li role="presentation" class="${i === activeIndex ? 'active' : ''}"><a href="#">${sheet.name}</a></li>`;
}
contianer.innerHTML = navItem;
}
//
function 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) {
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) {
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) {
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 = 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);
}
//
function 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;
}
//
function 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;
}
}
}
//
function toggleNavActiveStatus(navEle) {
let activeIndex = -1;
let navEles = document.querySelectorAll('#sheetNav li');
for (let i = 0; i < navEles.length; i++) {
let currentItem = navEles[i];
wjcCore.removeClass(currentItem, 'active');
if (currentItem === navEle) {
wjcCore.addClass(currentItem, 'active');
activeIndex = i;
}
}
return activeIndex;
}
}
<!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="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('./src/app');
</script>
</head>
<body>
<div class="container-fluid">
<div class="row">
<input type="file" class="form-control" id="importFile"
accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel.sheet.macroEnabled.12"
style="width:300px" />
</div>
<!-- Sheet tabs -->
<ul id="sheetNav" class="nav nav-tabs" style="margin-top:40px">
</ul>
<!-- Current sheet view -->
<div id="tableHost"></div>
</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
},
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',
'@mescius/wijmo': 'npm:@mescius/wijmo/index.js',
'@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js',
'@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles',
'@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures',
'@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js',
'@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js',
'@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js',
'@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js',
'@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js',
'@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js',
'@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js',
'@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js',
'@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js',
'@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js',
'@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js',
'@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js',
'@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js',
'@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js',
'@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js',
'@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js',
'@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js',
'@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js',
'@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js',
'@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js',
'@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js',
'@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js',
'@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js',
'@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js',
'@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js',
'@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js',
'@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js',
'@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js',
'@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js',
'@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js',
'@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js',
'@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js',
'@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js',
'@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js',
'@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js',
'@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js',
'@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js',
'@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js',
'@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js',
'@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js',
'@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js',
'@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/index.js',
'jszip': 'npm:jszip/dist/jszip.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: 'js'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
