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/* This file is part of the KDE project
SPDX-FileCopyrightText: 1999 David Faure <faure@kde.org>
SPDX-FileCopyrightText: 2004 Nicolas GOUTTE <goutte@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "csvimport.h"
#include <QFile>
#include <QGuiApplication>
#include <KMessageBox>
#include <KPluginFactory>
#include <KoCsvImportDialog.h>
#include <KoFilterChain.h>
#include <KoFilterManager.h>
#include <sheets/engine/ElapsedTime_p.h>
#include <sheets/engine/CalculationSettings.h>
#include <sheets/engine/Localization.h>
#include <sheets/engine/Value.h>
#include <sheets/engine/ValueConverter.h>
#include <sheets/core/Cell.h>
#include <sheets/core/ColFormatStorage.h>
#include <sheets/core/DocBase.h>
#include <sheets/core/Map.h>
#include <sheets/core/Sheet.h>
using namespace Calligra::Sheets;
/*
To generate a test CSV file:
perl -e '$i=0;while($i<30000) { print rand().",".rand()."\n"; $i++ }' > file.csv
*/
K_PLUGIN_FACTORY_WITH_JSON(CSVImportFactory, "calligra_filter_csv2sheets.json", registerPlugin<CSVFilter>();)
Q_LOGGING_CATEGORY(lcCsvImport, "calligra.filter.csv.import")
CSVFilter::CSVFilter(QObject* parent, const QVariantList&) :
KoFilter(parent)
{
}
KoFilter::ConversionStatus CSVFilter::convert(const QByteArray& from, const QByteArray& to)
{
QString file(m_chain->inputFile());
KoDocument* document = m_chain->outputDocument();
if (!document)
return KoFilter::StupidError;
if (!qobject_cast<const Calligra::Sheets::DocBase *>(document)) {
qWarning(lcCsvImport) << "document isn't a Calligra::Sheets::Doc but a " << document->metaObject()->className();
return KoFilter::NotImplemented;
}
if ((from != "text/csv" && from != "text/tab-separated-values" && from != "text/plain") || to != "application/vnd.oasis.opendocument.spreadsheet") {
qWarning(lcCsvImport) << "Invalid mimetypes " << from << " " << to;
return KoFilter::NotImplemented;
}
DocBase *ksdoc = dynamic_cast<DocBase *>(document); // type checked above
// if (ksdoc->mimeType() != "application/vnd.oasis.opendocument.spreadsheet") {
// qWarning(lcCsvImport) << "Invalid document mimetype " << ksdoc->mimeType();
// return KoFilter::NotImplemented;
// }
QFile in(file);
if (!in.open(QIODevice::ReadOnly)) {
KMessageBox::error(nullptr, i18n("CSV filter cannot open input file - please report."));
in.close();
return KoFilter::FileNotFound;
}
// ###### FIXME: disabled for now
//QString csv_delimiter;
//if (!config.isNull())
// csv_delimiter = config[0];
QByteArray inputFile(in.readAll());
in.close();
Localization *locale = ksdoc->map()->calculationSettings()->locale();
ValueConverter *conv = ksdoc->map()->converter();
QString decimal = locale->decimalSymbol();
QString thousands = locale->thousandsSeparator();
KoCsvImportDialog* dialog = new KoCsvImportDialog(nullptr);
dialog->setData(inputFile);
dialog->setDecimalSymbol(decimal);
dialog->setThousandsSeparator(thousands);
if (!m_chain->manager()->getBatchMode() && !dialog->exec())
return KoFilter::UserCancelled;
inputFile.resize(0); // Release memory (input file content)
ElapsedTime t("Filling data into document");
Sheet *sheet = dynamic_cast<Sheet *>(ksdoc->map()->addNewSheet());
int numRows = dialog->rows();
int numCols = dialog->cols();
if (numRows == 0)
++numRows;
// Initialize the decimal symbol and thousands separator to use for parsing.
decimal = dialog->decimalSymbol();
thousands = dialog->thousandsSeparator();
int value = 0;
Q_EMIT sigProgress(value);
QGuiApplication::setOverrideCursor(Qt::WaitCursor);
Cell cell(sheet, 1, 1);
int processed = 0;
for (int row = 0; row < numRows; ++row) {
for (int col = 0; col < numCols; ++col) {
processed++;
int progress = (int) (100.0 * processed / (numRows * numCols));
if (progress != value) {
value = progress;
Q_EMIT sigProgress(value);
}
const QString text(dialog->text(row, col));
cell = Cell(sheet, col + 1, row + 1);
// TODO - try to format numbers
switch (dialog->dataType(col)) {
case KoCsvImportDialog::Generic:
default: {
Value val;
// Is this a valid number?
QString numtext = text;
numtext = numtext.replace(' ', QString());
numtext = numtext.replace(thousands, QString());
numtext = numtext.replace(decimal, ".");
bool ok = false;
double num = numtext.toDouble(&ok);
if (ok) val = Value(num);
if (!val.isEmpty())
cell.setCellValue(val);
else
cell.parseUserInput(text);
break;
}
case KoCsvImportDialog::Text: {
Value value(text);
cell.setCellValue(value);
break;
}
case KoCsvImportDialog::Date: {
Value value(text);
cell.setCellValue(conv->asDate(value));
break;
}
case KoCsvImportDialog::Currency: {
Value value(text);
value = conv->asNumeric(value);
value.setFormat(Value::fmt_Money);
cell.setCellValue(value);
break;
}
case KoCsvImportDialog::None: {
// just skip the content
break;
}
}
}
}
Q_EMIT sigProgress(100);
QGuiApplication::restoreOverrideCursor();
delete dialog;
return KoFilter::OK;
}
#include <csvimport.moc>
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