New actions: new, save and close database.

src/gui/DatabaseManager.cpp

@@ -42,6 +42,15 @@ DatabaseManager::DatabaseManager(QTabWidget* tabWidget)
     connect(m_tabWidget, SIGNAL(tabCloseRequested(int)), SLOT(closeDatabase(int)));
 }
 
+void DatabaseManager::newDatabase()
+{
+    DatabaseManagerStruct dbStruct;
+    Database* db = new Database();
+    dbStruct.dbWidget = new DatabaseWidget(db, m_tabWidget);
+
+    insertDatabase(db, dbStruct);
+}
+
 void DatabaseManager::openDatabase()
 {
     QString fileName = QFileDialog::getOpenFileName(m_window, tr("Open database"), QString(),
@@ -82,12 +91,7 @@ void DatabaseManager::openDatabase(const QString& fileName)
     dbStruct.file = file.take();
     dbStruct.dbWidget = new DatabaseWidget(db, m_tabWidget);
 
-    m_dbList.insert(db, dbStruct);
+    insertDatabase(db, dbStruct);
-
-    m_tabWidget->addTab(dbStruct.dbWidget, "");
-    updateTabName(db);
-
-    connect(db->metadata(), SIGNAL(nameTextChanged(Database*)), SLOT(updateTabName(Database*)));
 }
 
 void DatabaseManager::closeDatabase(Database* db)
@@ -108,11 +112,38 @@ void DatabaseManager::closeDatabase(Database* db)
     delete db;
 }
 
+void DatabaseManager::saveDatabase(Database* db)
+{
+    DatabaseManagerStruct& dbStruct = m_dbList[db];
+
+    // TODO ensure that the data is actually written to disk
+    dbStruct.file->reset();
+    m_writer.writeDatabase(dbStruct.file, db);
+    dbStruct.file->resize(dbStruct.file->pos());
+    dbStruct.file->flush();
+
+    dbStruct.modified = false;
+    updateTabName(db);
+}
+
 void DatabaseManager::closeDatabase(int index)
 {
+    if (index == -1) {
+        index = m_tabWidget->currentIndex();
+    }
+
     closeDatabase(indexDatabase(index));
 }
 
+void DatabaseManager::saveDatabase(int index)
+{
+    if (index == -1) {
+        index = m_tabWidget->currentIndex();
+    }
+
+    saveDatabase(indexDatabase(index));
+}
+
 void DatabaseManager::updateTabName(Database* db)
 {
     int index = databaseIndex(db);
@@ -120,15 +151,27 @@ void DatabaseManager::updateTabName(Database* db)
 
     const DatabaseManagerStruct& dbStruct = m_dbList.value(db);
 
+    QString tabName;
+
+    if (dbStruct.file) {
+
         QString filename = QFileInfo(*dbStruct.file).completeBaseName();
 
-    QString tabName;
         if (db->metadata()->name().isEmpty()) {
             tabName = filename;
         }
         else {
             tabName = QString("%1 [%2]").arg(db->metadata()->name().arg(filename));
         }
+    }
+    else {
+        if (db->metadata()->name().isEmpty()) {
+            tabName = tr("New database");
+        }
+        else {
+            tabName = QString("%1 [%2]").arg(db->metadata()->name().arg(tr("New database")));
+        }
+    }
 
     m_tabWidget->setTabText(index, tabName);
 }
@@ -153,3 +196,13 @@ Database* DatabaseManager::indexDatabase(int index)
 
     return 0;
 }
+
+void DatabaseManager::insertDatabase(Database* db, const DatabaseManagerStruct& dbStruct)
+{
+    m_dbList.insert(db, dbStruct);
+
+    m_tabWidget->addTab(dbStruct.dbWidget, "");
+    updateTabName(db);
+
+    connect(db->metadata(), SIGNAL(nameTextChanged(Database*)), SLOT(updateTabName(Database*)));
+}

src/gui/DatabaseManager.h

@@ -44,11 +44,14 @@ class DatabaseManager : public QObject
 public:
     DatabaseManager(QTabWidget* tabWidget);
     void openDatabase(const QString& fileName);
+    void saveDatabase(Database* db);
     void closeDatabase(Database* db);
 
 public Q_SLOTS:
+    void newDatabase();
     void openDatabase();
-    void closeDatabase(int index);
+    void saveDatabase(int index = -1);
+    void closeDatabase(int index = -1);
 
 private Q_SLOTS:
     void updateTabName(Database* db);
@@ -56,6 +59,7 @@ private Q_SLOTS:
 private:
     int databaseIndex(Database* db);
     Database* indexDatabase(int index);
+    void insertDatabase(Database* db, const DatabaseManagerStruct& dbStruct);
 
     QTabWidget* m_tabWidget;
     QWidget* m_window;

src/gui/MainWindow.cpp

@@ -28,6 +28,19 @@ MainWindow::MainWindow()
 
     m_dbManager = new DatabaseManager(tabWidget);
 
-    connect(actionOpenDatabase, SIGNAL(triggered()), m_dbManager, SLOT(openDatabase()));
+    connect(tabWidget, SIGNAL(currentChanged(int)), SLOT(currentTabChanged(int)));
+
+    connect(actionDatabaseNew, SIGNAL(triggered()), m_dbManager, SLOT(newDatabase()));
+    connect(actionDatabaseOpen, SIGNAL(triggered()), m_dbManager, SLOT(openDatabase()));
+    connect(actionDatabaseSave, SIGNAL(triggered()), m_dbManager, SLOT(saveDatabase()));
+    connect(actionDatabaseClose, SIGNAL(triggered()), m_dbManager, SLOT(closeDatabase()));
     connect(actionQuit, SIGNAL(triggered()), SLOT(close()));
 }
+
+void MainWindow::currentTabChanged(int index)
+{
+    bool hasTab = (index != -1);
+
+    actionDatabaseSave->setEnabled(hasTab);
+    actionDatabaseClose->setEnabled(hasTab);
+}

src/gui/MainWindow.h

@@ -30,6 +30,9 @@ class MainWindow : public QMainWindow, private Ui::MainWindow
 public:
     MainWindow();
 
+private Q_SLOTS:
+    void currentTabChanged(int index);
+
 private:
     DatabaseManager* m_dbManager;
 };

src/gui/MainWindow.ui

@@ -41,9 +41,12 @@
    </property>
    <widget class="QMenu" name="menuFile">
     <property name="title">
-     <string>File</string>
+     <string>Database</string>
     </property>
-    <addaction name="actionOpenDatabase"/>
+    <addaction name="actionDatabaseNew"/>
+    <addaction name="actionDatabaseOpen"/>
+    <addaction name="actionDatabaseSave"/>
+    <addaction name="actionDatabaseClose"/>
     <addaction name="separator"/>
     <addaction name="actionQuit"/>
    </widget>
@@ -67,11 +70,32 @@
     <string>About</string>
    </property>
   </action>
-  <action name="actionOpenDatabase">
+  <action name="actionDatabaseOpen">
    <property name="text">
     <string>Open database</string>
    </property>
   </action>
+  <action name="actionDatabaseSave">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <property name="text">
+    <string>Save database</string>
+   </property>
+  </action>
+  <action name="actionDatabaseClose">
+   <property name="enabled">
+    <bool>false</bool>
+   </property>
+   <property name="text">
+    <string>Close database</string>
+   </property>
+  </action>
+  <action name="actionDatabaseNew">
+   <property name="text">
+    <string>New database</string>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections/>