97 lines
3.0 KiB
JavaScript
97 lines
3.0 KiB
JavaScript
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
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/* eslint-env browser */
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/* global XLSX */
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/* exported SheetJSExportService, SheetJSImportDirective */
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function SheetJSExportService(uiGridExporterService) {
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function exportSheetJS(gridApi, wopts) {
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var columns = uiGridExporterService.getColumnHeaders(gridApi.grid, 'all');
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var data = uiGridExporterService.getData(gridApi.grid, 'all', 'all');
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var fileName = gridApi.grid.options.filename || 'SheetJS';
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fileName += wopts.bookType ? "." + wopts.bookType : '.xlsx';
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var sheetName = gridApi.grid.options.sheetname || 'Sheet1';
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var wb = XLSX.utils.book_new(), ws = uigrid_to_sheet(data, columns);
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XLSX.utils.book_append_sheet(wb, ws, sheetName);
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XLSX.writeFile(wb, fileName);
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}
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var service = {};
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service.exportXLSB = function exportXLSB(gridApi) { return exportSheetJS(gridApi, { bookType: 'xlsb', bookSST: true, type: 'array' }); };
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service.exportXLSX = function exportXLSX(gridApi) { return exportSheetJS(gridApi, { bookType: 'xlsx', bookSST: true, type: 'array' }); }
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return service;
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/* utilities */
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function uigrid_to_sheet(data, columns) {
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var o = [], oo = [], i = 0, j = 0;
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/* column headers */
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for(j = 0; j < columns.length; ++j) oo.push(get_value(columns[j]));
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o.push(oo);
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/* table data */
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for(i = 0; i < data.length; ++i) {
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oo = [];
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for(j = 0; j < data[i].length; ++j) oo.push(get_value(data[i][j]));
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o.push(oo);
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}
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/* aoa_to_sheet converts an array of arrays into a worksheet object */
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return XLSX.utils.aoa_to_sheet(o);
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}
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function get_value(col) {
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if(!col) return col;
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if(col.value) return col.value;
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if(col.displayName) return col.displayName;
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if(col.name) return col.name;
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return null;
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}
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}
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function SheetJSImportDirective() {
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return {
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scope: { opts: '=' },
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link: function($scope, $elm) {
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$elm.on('change', function(changeEvent) {
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var reader = new FileReader();
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reader.onload = function(e) {
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/* read workbook */
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var ab = e.target.result;
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var wb = XLSX.read(ab);
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/* grab first sheet */
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var wsname = wb.SheetNames[0];
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var ws = wb.Sheets[wsname];
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/* grab first row and generate column headers */
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var aoa = XLSX.utils.sheet_to_json(ws, {header:1, raw:false});
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var cols = [];
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for(var i = 0; i < aoa[0].length; ++i) cols[i] = { field: aoa[0][i] };
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/* generate rest of the data */
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var data = [];
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for(var r = 1; r < aoa.length; ++r) {
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data[r-1] = {};
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for(i = 0; i < aoa[r].length; ++i) {
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if(aoa[r][i] == null) continue;
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data[r-1][aoa[0][i]] = aoa[r][i];
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}
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}
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/* update scope */
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$scope.$apply(function() {
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$scope.opts.columnDefs = cols;
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$scope.opts.data = data;
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});
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};
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reader.readAsArrayBuffer(changeEvent.target.files[0]);
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});
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}
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};
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}
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