Code generator - beginnings

CodeGenerator/generatormainwindow.cpp

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+//    Copyright (C) 2020 Jakub Melka
+//
+//    This file is part of PdfForQt.
+//
+//    PdfForQt is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    PdfForQt is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
+
+#include "generatormainwindow.h"
+#include "ui_generatormainwindow.h"
+
+#include "codegenerator.h"
+
+#include <QFile>
+#include <QSettings>
+#include <QTextStream>
+#include <QFileDialog>
+#include <QFileInfo>
+
+GeneratorMainWindow::GeneratorMainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::GeneratorMainWindow),
+    m_generator(new codegen::CodeGenerator(this))
+{
+    ui->setupUi(this);
+
+    m_generator->initialize();
+
+    loadSettings();
+
+    if (!m_defaultFileName.isEmpty())
+    {
+        load(m_defaultFileName);
+    }
+
+    // Temporary - to delete:
+    m_generator->addFunction("createAnnotationWatermark");
+    m_generator->addFunction("createAnnotationFreeText");
+}
+
+GeneratorMainWindow::~GeneratorMainWindow()
+{
+    delete ui;
+}
+
+void GeneratorMainWindow::load(const QString& fileName)
+{
+    QFile file(fileName);
+    if (file.open(QFile::ReadOnly | QFile::Truncate))
+    {
+        QTextStream stream(&file);
+        stream.setCodec("UTF-8");
+
+        QDomDocument document;
+        document.setContent(stream.readAll());
+        m_generator->load(document);
+        file.close();
+    }
+}
+
+void GeneratorMainWindow::saveSettings()
+{
+    QSettings settings("MelkaJ");
+    settings.setValue("fileName", m_defaultFileName);
+}
+
+void GeneratorMainWindow::loadSettings()
+{
+    QSettings settings("MelkaJ");
+    m_defaultFileName = settings.value("fileName").toString();
+}
+
+void GeneratorMainWindow::save(const QString& fileName)
+{
+    QFile file(fileName);
+    if (file.open(QFile::WriteOnly | QFile::Truncate))
+    {
+        QTextStream stream(&file);
+        stream.setCodec("UTF-8");
+
+        QDomDocument document;
+        m_generator->store(document);
+        document.save(stream, 2, QDomDocument::EncodingFromTextStream);
+        file.close();
+
+        // Update default file name
+        m_defaultFileName = fileName;
+        saveSettings();
+    }
+}
+
+void GeneratorMainWindow::on_actionLoad_triggered()
+{
+    QFileInfo info(m_defaultFileName);
+    QString fileName = QFileDialog::getOpenFileName(this, tr("Select XML definition file"), info.dir().absolutePath(), "XML files (*.xml)");
+    if (!fileName.isEmpty())
+    {
+        m_defaultFileName = fileName;
+        saveSettings();
+
+        load(m_defaultFileName);
+    }
+}
+
+void GeneratorMainWindow::on_actionSaveAs_triggered()
+{
+    QFileInfo info(m_defaultFileName);
+    QString fileName = QFileDialog::getSaveFileName(this, tr("Select XML definition file"), info.dir().absolutePath(), "XML files (*.xml)");
+    if (!fileName.isEmpty())
+    {
+        save(fileName);
+    }
+}
+
+void GeneratorMainWindow::on_actionSave_triggered()
+{
+    if (!m_defaultFileName.isEmpty())
+    {
+        save(m_defaultFileName);
+    }
+    else
+    {
+        on_actionSaveAs_triggered();
+    }
+}