exceljs
Version:
Excel Workbook Manager - Read and Write xlsx and csv Files.
235 lines (229 loc) • 8.12 kB
JavaScript
const _ = require('../../../utils/under-dash');
const colCache = require('../../../utils/col-cache');
const XmlStream = require('../../../utils/xml-stream');
const BaseXform = require('../base-xform');
const StaticXform = require('../static-xform');
const ListXform = require('../list-xform');
const DefinedNameXform = require('./defined-name-xform');
const SheetXform = require('./sheet-xform');
const WorkbookViewXform = require('./workbook-view-xform');
const WorkbookPropertiesXform = require('./workbook-properties-xform');
const WorkbookCalcPropertiesXform = require('./workbook-calc-properties-xform');
class WorkbookXform extends BaseXform {
constructor() {
super();
this.map = {
fileVersion: WorkbookXform.STATIC_XFORMS.fileVersion,
workbookPr: new WorkbookPropertiesXform(),
bookViews: new ListXform({
tag: 'bookViews',
count: false,
childXform: new WorkbookViewXform()
}),
sheets: new ListXform({
tag: 'sheets',
count: false,
childXform: new SheetXform()
}),
definedNames: new ListXform({
tag: 'definedNames',
count: false,
childXform: new DefinedNameXform()
}),
calcPr: new WorkbookCalcPropertiesXform()
};
}
prepare(model) {
model.sheets = model.worksheets;
// collate all the print areas from all of the sheets and add them to the defined names
const printAreas = [];
let index = 0; // sheets is sparse array - calc index manually
model.sheets.forEach(sheet => {
if (sheet.pageSetup && sheet.pageSetup.printArea) {
sheet.pageSetup.printArea.split('&&').forEach(printArea => {
const printAreaComponents = printArea.split(':');
const definedName = {
name: '_xlnm.Print_Area',
ranges: [`'${sheet.name}'!$${printAreaComponents[0]}:$${printAreaComponents[1]}`],
localSheetId: index
};
printAreas.push(definedName);
});
}
if (sheet.pageSetup && (sheet.pageSetup.printTitlesRow || sheet.pageSetup.printTitlesColumn)) {
const ranges = [];
if (sheet.pageSetup.printTitlesColumn) {
const titlesColumns = sheet.pageSetup.printTitlesColumn.split(':');
ranges.push(`'${sheet.name}'!$${titlesColumns[0]}:$${titlesColumns[1]}`);
}
if (sheet.pageSetup.printTitlesRow) {
const titlesRows = sheet.pageSetup.printTitlesRow.split(':');
ranges.push(`'${sheet.name}'!$${titlesRows[0]}:$${titlesRows[1]}`);
}
const definedName = {
name: '_xlnm.Print_Titles',
ranges,
localSheetId: index
};
printAreas.push(definedName);
}
index++;
});
if (printAreas.length) {
model.definedNames = model.definedNames.concat(printAreas);
}
(model.media || []).forEach((medium, i) => {
// assign name
medium.name = medium.type + (i + 1);
});
}
render(xmlStream, model) {
xmlStream.openXml(XmlStream.StdDocAttributes);
xmlStream.openNode('workbook', WorkbookXform.WORKBOOK_ATTRIBUTES);
this.map.fileVersion.render(xmlStream);
this.map.workbookPr.render(xmlStream, model.properties);
this.map.bookViews.render(xmlStream, model.views);
this.map.sheets.render(xmlStream, model.sheets);
this.map.definedNames.render(xmlStream, model.definedNames);
this.map.calcPr.render(xmlStream, model.calcProperties);
xmlStream.closeNode();
}
parseOpen(node) {
if (this.parser) {
this.parser.parseOpen(node);
return true;
}
switch (node.name) {
case 'workbook':
return true;
default:
this.parser = this.map[node.name];
if (this.parser) {
this.parser.parseOpen(node);
}
return true;
}
}
parseText(text) {
if (this.parser) {
this.parser.parseText(text);
}
}
parseClose(name) {
if (this.parser) {
if (!this.parser.parseClose(name)) {
this.parser = undefined;
}
return true;
}
switch (name) {
case 'workbook':
this.model = {
sheets: this.map.sheets.model,
properties: this.map.workbookPr.model || {},
views: this.map.bookViews.model,
calcProperties: {}
};
if (this.map.definedNames.model) {
this.model.definedNames = this.map.definedNames.model;
}
return false;
default:
// not quite sure how we get here!
return true;
}
}
reconcile(model) {
const rels = (model.workbookRels || []).reduce((map, rel) => {
map[rel.Id] = rel;
return map;
}, {});
// reconcile sheet ids, rIds and names
const worksheets = [];
let worksheet;
let index = 0;
(model.sheets || []).forEach(sheet => {
const rel = rels[sheet.rId];
if (!rel) {
return;
}
// if rel.Target start with `[space]/xl/` or `/xl/` , then it will be replaced with `''` and spliced behind `xl/`,
// otherwise it will be spliced directly behind `xl/`. i.g.
worksheet = model.worksheetHash[`xl/${rel.Target.replace(/^(\s|\/xl\/)+/, '')}`];
// If there are "chartsheets" in the file, rel.Target will
// come out as chartsheets/sheet1.xml or similar here, and
// that won't be in model.worksheetHash.
// As we don't have the infrastructure to support chartsheets,
// we will ignore them for now:
if (worksheet) {
worksheet.name = sheet.name;
worksheet.id = sheet.id;
worksheet.state = sheet.state;
worksheets[index++] = worksheet;
}
});
// reconcile print areas
const definedNames = [];
_.each(model.definedNames, definedName => {
if (definedName.name === '_xlnm.Print_Area') {
worksheet = worksheets[definedName.localSheetId];
if (worksheet) {
if (!worksheet.pageSetup) {
worksheet.pageSetup = {};
}
const range = colCache.decodeEx(definedName.ranges[0]);
worksheet.pageSetup.printArea = worksheet.pageSetup.printArea ? `${worksheet.pageSetup.printArea}&&${range.dimensions}` : range.dimensions;
}
} else if (definedName.name === '_xlnm.Print_Titles') {
worksheet = worksheets[definedName.localSheetId];
if (worksheet) {
if (!worksheet.pageSetup) {
worksheet.pageSetup = {};
}
const rangeString = definedName.ranges.join(',');
const dollarRegex = /\$/g;
const rowRangeRegex = /\$\d+:\$\d+/;
const rowRangeMatches = rangeString.match(rowRangeRegex);
if (rowRangeMatches && rowRangeMatches.length) {
const range = rowRangeMatches[0];
worksheet.pageSetup.printTitlesRow = range.replace(dollarRegex, '');
}
const columnRangeRegex = /\$[A-Z]+:\$[A-Z]+/;
const columnRangeMatches = rangeString.match(columnRangeRegex);
if (columnRangeMatches && columnRangeMatches.length) {
const range = columnRangeMatches[0];
worksheet.pageSetup.printTitlesColumn = range.replace(dollarRegex, '');
}
}
} else {
definedNames.push(definedName);
}
});
model.definedNames = definedNames;
// used by sheets to build their image models
model.media.forEach((media, i) => {
media.index = i;
});
}
}
WorkbookXform.WORKBOOK_ATTRIBUTES = {
xmlns: 'http://schemas.openxmlformats.org/spreadsheetml/2006/main',
'xmlns:r': 'http://schemas.openxmlformats.org/officeDocument/2006/relationships',
'xmlns:mc': 'http://schemas.openxmlformats.org/markup-compatibility/2006',
'mc:Ignorable': 'x15',
'xmlns:x15': 'http://schemas.microsoft.com/office/spreadsheetml/2010/11/main'
};
WorkbookXform.STATIC_XFORMS = {
fileVersion: new StaticXform({
tag: 'fileVersion',
$: {
appName: 'xl',
lastEdited: 5,
lowestEdited: 5,
rupBuild: 9303
}
})
};
module.exports = WorkbookXform;
//# sourceMappingURL=workbook-xform.js.map
;