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// QXlsx
// MIT License
// https://github.com/j2doll/QXlsx
// main.cpp
#include <QtGlobal>
#include <QObject>
#include <QString>
#include <QUrl>
#include <QList>
#include <QVariant>
#include <QDebug>
#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QQmlContext>
#include <cstdio>
#include <iostream>
#include "xlsxdocument.h"
#include "xlsxchartsheet.h"
#include "xlsxcellrange.h"
#include "xlsxchart.h"
#include "xlsxrichstring.h"
#include "xlsxworkbook.h"
using namespace QXlsx;
#include "XlsxTableModel.h"
#include "DynArray2D.h"
std::string convertFromNumberToExcelColumn(int n);
int main(int argc, char *argv[])
{
QCoreApplication::setAttribute( Qt::AA_EnableHighDpiScaling );
QGuiApplication app(argc, argv);
QQmlApplicationEngine engine;
QQmlContext* ctxt = engine.rootContext();
QXlsx::Document xlsx( ":/test.xlsx" ); // load xlsx
if (!xlsx.load())
{
qDebug() << "[ERROR] Failed to load xlsx";
return (-1);
}
QList<QString> colTitle; // list of column title
QVector<CellLocation> vcl; // vector of cell(s) location
Worksheet* wsheet = (Worksheet*) xlsx.workbook()->activeSheet();
if ( NULL == wsheet )
{
qDebug() << "[ERROR] Failed to get active sheet";
return (-2);
}
int rowMax = -1;
int colMax = -1;
vcl = wsheet->getFullCells( &rowMax, &colMax );
Q_ASSERT( (-1) != rowMax ); // To CHECK
Q_ASSERT( (-1) != colMax );
for (int ic = 0 ; ic < colMax ; ic++)
{
std::string strCol = convertFromNumberToExcelColumn(ic + 1);
QString colName = QString::fromStdString( strCol );
colTitle.append( colName );
}
// make cell matrix that has (colMax x rowMax) size.
DynArray2D< std::string > dynIntArray(colMax, rowMax);
for ( int icl = 0; icl < vcl.size(); ++icl )
{
CellLocation cl = vcl.at(icl); // cell location
// NOTICE: First cell of tableWidget is 0.
// But first cell of Qxlsx document is 1.
int row = cl.row - 1;
int col = cl.col - 1;
QSharedPointer<Cell> ptrCell = cl.cell; // cell pointer
// value of cell
QVariant var = cl.cell.data()->value();
QString str = var.toString();
// set string value to (col, row)
dynIntArray.setValue( col, row, str.toStdString() );
}
QList<VLIST> xlsxData;
for (int ir = 0; ir < rowMax; ir++ )
{
VLIST vl;
for (int ic = 0; ic < colMax; ic++)
{
std::string value = dynIntArray.getValue( ic, ir );
vl.append( QString::fromStdString(value) );
}
xlsxData.append(vl);
}
// set model for tableview
XlsxTableModel xlsxTableModel(colTitle, xlsxData);
ctxt->setContextProperty( "xlsxModel", &xlsxTableModel );
engine.load( QUrl(QStringLiteral("qrc:/main.qml")) ); // load QML
if ( engine.rootObjects().isEmpty() )
{
qDebug() << "Failed to load qml";
return (-1);
}
int ret = app.exec();
return ret;
}
std::string convertFromNumberToExcelColumn(int n)
{
// main code from https://www.geeksforgeeks.org/find-excel-column-name-given-number/
// Function to print Excel column name for a given column number
std::string stdString;
char str[1000]; // To store result (Excel column name)
int i = 0; // To store current index in str which is result
while ( n > 0 )
{
// Find remainder
int rem = n % 26;
// If remainder is 0, then a 'Z' must be there in output
if ( rem == 0 )
{
str[i++] = 'Z';
n = (n/26) - 1;
}
else // If remainder is non-zero
{
str[i++] = (rem-1) + 'A';
n = n / 26;
}
}
str[i] = '\0';
// Reverse the string and print result
std::reverse( str, str + strlen(str) );
stdString = str;
return stdString;
}
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