Implement actions

mainwindow.cpp

@@ -1,6 +1,9 @@
 #include <eismultiplexer.h>
 #include <QMessageBox>
 #include <QMessageBox>
+#include <QFileDialog>
+#include <QTextStream>
+#include <QFile>
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "triggerwidget.h"
@@ -8,7 +11,9 @@
 MainWindow::MainWindow(QWidget *parent):
     QMainWindow(parent),
     ui(new Ui::MainWindow),
-    codeEditor(this)
+    codeEditor(this),
+    currentFilePath(""),
+    isFileModified(false)
 {
         ui->setupUi(this);
         enumerateDevices();
@@ -24,6 +29,15 @@ MainWindow::MainWindow(QWidget *parent):
         ui->codeLayout->addWidget(&codeEditor);
 
         connect(ui->actionQuit, &QAction::triggered, this, [this]() {close();});
+        connect(ui->actionOpen, &QAction::triggered, this, &MainWindow::onActionOpenTriggered);
+        connect(ui->actionSave, &QAction::triggered, this, &MainWindow::onActionSaveTriggered);
+        connect(ui->actionSave_As, &QAction::triggered, this, &MainWindow::onActionSaveAsTriggered);
+
+        // Connect text changed signal to track modifications
+        connect(&codeEditor, &QTextEdit::textChanged, this, [this]() {
+            isFileModified = true;
+            updateTitle();
+        });
 }
 
 MainWindow::~MainWindow()
@@ -31,6 +45,97 @@ MainWindow::~MainWindow()
         delete ui;
 }
 
+void MainWindow::updateTitle()
+{
+    QString windowTitle = "EisMultiplexer-Qt";
+    if (!currentFilePath.isEmpty()) {
+        windowTitle = QString("%1 - %2").arg(currentFilePath);
+    }
+    if (isFileModified) {
+        windowTitle += "[*]";
+    }
+    setWindowTitle(windowTitle);
+}
+
+void MainWindow::onActionOpenTriggered()
+{
+    QString filePath = QFileDialog::getOpenFileName(this, tr("Open Python Script"),
+                                                    "",
+                                                    tr("Python Files (*.py);;All Files (*)"));
+
+    if (filePath.isEmpty()) {
+        return;
+    }
+
+    QFile file(filePath);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        QMessageBox::warning(this, tr("Error"), tr("Could not open file: %1").arg(filePath));
+        return;
+    }
+
+    QTextStream in(&file);
+    QString content = in.readAll();
+    file.close();
+
+    codeEditor.setPlainText(content);
+    currentFilePath = filePath;
+    isFileModified = false;
+    updateTitle();
+}
+
+void MainWindow::onActionSaveTriggered()
+{
+    if (currentFilePath.isEmpty()) {
+        onActionSaveAsTriggered();
+        return;
+    }
+
+    QFile file(currentFilePath);
+    if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+        QMessageBox::warning(this, tr("Error"), tr("Could not save file: %1").arg(currentFilePath));
+        return;
+    }
+
+    QTextStream out(&file);
+    out << codeEditor.toPlainText();
+    file.close();
+
+    isFileModified = false;
+    updateTitle();
+}
+
+void MainWindow::onActionSaveAsTriggered()
+{
+    QString filePath = QFileDialog::getSaveFileName(this, tr("Save Python Script"),
+                                                    "",
+                                                    tr("Python Files (*.py);;All Files (*)"));
+
+    if (filePath.isEmpty()) {
+        return;
+    }
+
+    // Ensure the file has a .py extension if it's a Python file
+    if (filePath.endsWith(".py", Qt::CaseInsensitive)) {
+        // File already has .py extension
+    } else {
+        filePath += ".py";
+    }
+
+    QFile file(filePath);
+    if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+        QMessageBox::warning(this, tr("Error"), tr("Could not save file: %1").arg(filePath));
+        return;
+    }
+
+    QTextStream out(&file);
+    out << codeEditor.toPlainText();
+    file.close();
+
+    currentFilePath = filePath;
+    isFileModified = false;
+    updateTitle();
+}
+
 void MainWindow::enumerateDevices()
 {
         size_t count = 0;

mainwindow.h

@@ -34,9 +34,17 @@ public:
         explicit MainWindow(QWidget *parent = nullptr);
         ~MainWindow();
 
+private slots:
+        void onActionOpenTriggered();
+        void onActionSaveTriggered();
+        void onActionSaveAsTriggered();
+
 private:
         void enumerateDevices();
-    void generateExample();
+        void generateExample();
+        void updateTitle();
+        QString currentFilePath;
+        bool isFileModified;
 };
 
 #endif // MAINWINDOW_H