ESGRAF48/source/mainwindow.cpp

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#include "mainwindow.h"
#include "ui_mainwindow.h"
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#include "DataModel.h"
#include <QJsonObject>
#include <QJsonDocument>
#include <QFile>
#include <QFileDialog>
#include <QDataWidgetMapper>
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
, ui(new Ui::MainWindow)
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{
ui->setupUi(this);
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connect(ui->actionNew, SIGNAL(triggered()), this, SLOT(newFile()));
connect(ui->actionOpen, SIGNAL(triggered()), this, SLOT(openFile()));
connect(ui->actionSave_as, SIGNAL(triggered()), this, SLOT(saveFileAs()));
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newFile();
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}
MainWindow::~MainWindow()
{
delete ui;
}
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void MainWindow::newFile()
{
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m_dataModel = std::make_unique<DataModel>(this);
ui->metaDataWidget->setModel(&m_dataModel->m_metaData);
}
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void MainWindow::openFile()
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{
QString filename = QFileDialog::getOpenFileName(this);
if (filename.isEmpty())
{
return;
}
QFile loadFile(filename);
if (!loadFile.open(QFile::ReadOnly))
{
qWarning("Could not open file");
return;
}
QByteArray byteData = loadFile.readAll();
QJsonDocument loadDoc = QJsonDocument::fromJson(byteData);
m_dataModel->read(loadDoc.object());
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ui->metaDataWidget->toFirst();
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}
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void MainWindow::saveFileAs()
{
QString filename = QFileDialog::getSaveFileName(this);
if (filename.isEmpty())
{
return;
}
QJsonObject saveData;
m_dataModel->write(saveData);
QJsonDocument saveDoc(saveData);
QFile saveFile(filename);
saveFile.open(QFile::WriteOnly);
saveFile.write(saveDoc.toJson());
saveFile.close();
}