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Add a new example to show how to view and edit xlsx file with GUI

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This commit is contained in:
Debao Zhang
2014-01-08 13:33:29 +08:00
parent a7e2ee7430
commit 8b48dc5f56
6 changed files with 329 additions and 0 deletions
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examples/xlsx/xlsx.pro
+2
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@@ -16,3 +16,5 @@ SUBDIRS = hello \
hyperlinks \
demo
qtHaveModule(widgets): SUBDIRS += xlsxwidget
examples/xlsx/xlsxwidget/main.cpp
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@@ -0,0 +1,35 @@
#include <QtWidgets>
#include "xlsxdocument.h"
#include "xlsxsheetmodel.h"
using namespace QXlsx;
int main(int argc, char **argv)
{
QApplication app(argc, argv);
//![0]
QString filePath = QFileDialog::getOpenFileName(0, "Open xlsx file", QString(), ".xlsx");
if (filePath.isEmpty())
return -1;
//![0]
//![1]
QTabWidget tabWidget;
tabWidget.setWindowTitle(filePath + " - Qt Xlsx Demo");
tabWidget.setTabPosition(QTabWidget::South);
//![1]
//![2]
Document xlsx(filePath);
foreach (QString sheetName, xlsx.worksheetNames()) {
QTableView *view = new QTableView(&tabWidget);
SheetModel *model = new SheetModel(xlsx.worksheet(sheetName), view);
view->setModel(model);
tabWidget.addTab(view, sheetName);
}
//![2]
tabWidget.show();
return app.exec();
}
examples/xlsx/xlsxwidget/xlsxsheetmodel.cpp
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@@ -0,0 +1,162 @@
/****************************************************************************
** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
** All right reserved.
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
****************************************************************************/
#include "xlsxsheetmodel.h"
#include "xlsxsheetmodel_p.h"
#include "xlsxworksheet.h"
QT_BEGIN_NAMESPACE_XLSX
SheetModelPrivate::SheetModelPrivate(SheetModel *p)
:q_ptr(p)
{
}
/*!
* \class SheetModel
*
* Helper class for gui applicaiton user
*
* \note SheetModel indices start from 0, while Worksheet
* column/row indices start from 1.
*/
/*!
* Creates a model object with the given \a sheet and \a parent.
*/
SheetModel::SheetModel(Worksheet *sheet, QObject *parent)
:QAbstractTableModel(parent), d_ptr(new SheetModelPrivate(this))
{
d_ptr->sheet = sheet;
}
/*!
* Destroys the model.
*/
SheetModel::~SheetModel()
{
delete d_ptr;
}
int SheetModel::rowCount(const QModelIndex &/*parent*/) const
{
Q_D(const SheetModel);
return d->sheet->dimension().lastRow();
}
int SheetModel::columnCount(const QModelIndex &/*parent*/) const
{
Q_D(const SheetModel);
return d->sheet->dimension().lastColumn();
}
Qt::ItemFlags SheetModel::flags(const QModelIndex &index) const
{
if (!index.isValid())
return Qt::NoItemFlags;
return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsEditable;
}
QVariant SheetModel::data(const QModelIndex &index, int role) const
{
Q_D(const SheetModel);
if (!index.isValid())
return QVariant();
Cell *cell = d->sheet->cellAt(index.row()+1, index.column()+1);
if (!cell)
return QVariant();
QVariant userFriendlyValue = d->sheet->read(index.row()+1, index.column()+1);
if (role == Qt::DisplayRole) {
if (cell->isDateTime())
return userFriendlyValue;
return cell->value();
} else if (role == Qt::EditRole) {
return userFriendlyValue;
}
return QVariant();
}
/*
* Copy from xlsxutility.cpp, so this example don't depend on the xlsx-private
* This function should be removed once this class moved to the xlsx library.
*/
static QString col_to_name(int col_num)
{
QString col_str;
int remainder;
while (col_num) {
remainder = col_num % 26;
if (remainder == 0)
remainder = 26;
col_str.prepend(QChar('A'+remainder-1));
col_num = (col_num - 1) / 26;
}
return col_str;
}
QVariant SheetModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role == Qt::DisplayRole) {
if (orientation == Qt::Horizontal)
return col_to_name(section + 1);
else
return QString::number(section + 1);
}
return QVariant();
}
bool SheetModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
Q_D(const SheetModel);
if (!index.isValid())
return false;
if (role == Qt::EditRole) {
if (d->sheet->write(index.row()+1, index.column()+1, value) == 0)
return true;
}
return false;
}
/*!
* Returns the sheet object.
*/
Worksheet *SheetModel::sheet() const
{
Q_D(const SheetModel);
return d->sheet;
}
QT_END_NAMESPACE_XLSX
examples/xlsx/xlsxwidget/xlsxsheetmodel.h
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@@ -0,0 +1,63 @@
/****************************************************************************
** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
** All right reserved.
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
****************************************************************************/
#ifndef QXLSX_XLSXSHEETMODEL_H
#define QXLSX_XLSXSHEETMODEL_H
#include "xlsxglobal.h"
#include <QAbstractTableModel>
QT_BEGIN_NAMESPACE_XLSX
class Worksheet;
class SheetModelPrivate;
class SheetModel : public QAbstractTableModel
{
Q_OBJECT
Q_DECLARE_PRIVATE(SheetModel)
public:
explicit SheetModel(Worksheet *sheet, QObject *parent = 0);
~SheetModel();
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int columnCount(const QModelIndex &parent = QModelIndex()) const;
Qt::ItemFlags flags(const QModelIndex & index) const;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
Worksheet *sheet() const;
signals:
public slots:
private:
SheetModelPrivate * const d_ptr;
};
QT_END_NAMESPACE_XLSX
#endif // QXLSX_XLSXSHEETMODEL_H
examples/xlsx/xlsxwidget/xlsxsheetmodel_p.h
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@@ -0,0 +1,56 @@
/****************************************************************************
** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
** All right reserved.
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
****************************************************************************/
#ifndef XLSXSHEETMODEL_P_H
#define XLSXSHEETMODEL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt Xlsx API. It exists for the convenience
// of the Qt Xlsx. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include "xlsxsheetmodel.h"
QT_BEGIN_NAMESPACE_XLSX
class SheetModelPrivate
{
Q_DECLARE_PUBLIC(SheetModel)
public:
SheetModelPrivate(SheetModel *p);
Worksheet *sheet;
SheetModel *q_ptr;
};
QT_END_NAMESPACE_XLSX
#endif // XLSXSHEETMODEL_P_H
examples/xlsx/xlsxwidget/xlsxwidget.pro
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@@ -0,0 +1,11 @@
TARGET = xlsxwidget
#include(../../../src/xlsx/qtxlsx.pri)
QT+= xlsx xlsx-private widgets
SOURCES += main.cpp \
xlsxsheetmodel.cpp
HEADERS += \
xlsxsheetmodel.h \
xlsxsheetmodel_p.h