AppMenuBar: Add open file action

Author: adazem009

src/app/appmenubar.cpp

@@ -1,20 +1,70 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 
+#include <QTemporaryFile>
+
 #include "appmenubar.h"
 #include "uicomponents/menubarmodel.h"
 #include "uicomponents/menumodel.h"
 #include "uicomponents/menuitemmodel.h"
+#include "uicomponents/filedialog.h"
 
 using namespace scratchcpp;
 using namespace scratchcpp::uicomponents;
 
 AppMenuBar::AppMenuBar(QObject *parent) :
     QObject(parent),
-    m_model(new MenuBarModel(this))
+    m_model(new MenuBarModel(this)),
+    m_openFileDialog(new FileDialog(this))
 {
+    m_openFileDialog->setShowAllFiles(false);
+    m_openFileDialog->setNameFilters({ tr("Scratch 3 projects (%1)").arg("*.sb3") });
+
+    // File menu
+    m_fileMenu = new MenuModel(m_model);
+    m_fileMenu->setTitle(tr("File"));
+    m_model->addMenu(m_fileMenu);
+
+    // File -> Open
+    m_openFileItem = new MenuItemModel(m_fileMenu);
+    m_openFileItem->setText(tr("Open..."));
+    m_fileMenu->addItem(m_openFileItem);
+
+    connect(m_openFileItem, &MenuItemModel::clicked, this, &AppMenuBar::openFile);
+#ifdef Q_OS_WASM
+    connect(m_openFileDialog, &FileDialog::fileContentReady, this, &AppMenuBar::loadOpenedFile);
+#endif
 }
 
 MenuBarModel *AppMenuBar::model() const
 {
     return m_model;
 }
+
+void AppMenuBar::openFile()
+{
+#ifdef Q_OS_WASM
+    m_openFileDialog->getOpenFileContent();
+#else
+    QString fileName = m_openFileDialog->getOpenFileName();
+
+    if (!fileName.isEmpty())
+        emit fileOpened(fileName);
+#endif
+}
+
+#ifdef Q_OS_WASM
+void AppMenuBar::loadOpenedFile(const QByteArray &content)
+{
+    if (m_tmpFile)
+        m_tmpFile->deleteLater();
+
+    m_tmpFile = new QTemporaryFile(this);
+
+    if (m_tmpFile->open()) {
+        m_tmpFile->write(content);
+        m_tmpFile->close();
+        emit fileOpened(m_tmpFile->fileName());
+    } else
+        qWarning("Failed to create temporary file.");
+}
+#endif

src/app/appmenubar.h

@@ -6,15 +6,20 @@
 
 Q_MOC_INCLUDE("uicomponents/menubarmodel.h")
 
+class QTemporaryFile;
+
 namespace scratchcpp
 {
 
 namespace uicomponents
 {
 
 class MenuBarModel;
+class MenuModel;
+class MenuItemModel;
+class FileDialog;
 
-}
+} // namespace uicomponents
 
 class AppMenuBar : public QObject
 {
@@ -30,9 +35,19 @@ class AppMenuBar : public QObject
 
     signals:
         void modelChanged();
+        void fileOpened(const QString &fileName);
 
     private:
+        void openFile();
+#ifdef Q_OS_WASM
+        void loadOpenedFile(const QByteArray &content);
+#endif
+
         uicomponents::MenuBarModel *m_model = nullptr;
+        uicomponents::MenuModel *m_fileMenu = nullptr;
+        uicomponents::MenuItemModel *m_openFileItem = nullptr;
+        uicomponents::FileDialog *m_openFileDialog = nullptr;
+        QTemporaryFile *m_tmpFile = nullptr;
 };
 
 } // namespace scratchcpp