Add a list of recently used files

3 files changed, 94 insertions, 10 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 79a7a4b..0b7ece9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -25,6 +25,9 @@ main(int argc, char **argv)
     Q_INIT_RESOURCE(dbmodel);
 	QApplication app(argc, argv);
 
+	QCoreApplication::setOrganizationName("Lukas Lalinsky");
+	QCoreApplication::setApplicationName("Database Modeller");
+
 	QTranslator translator;
 	translator.load("dbmodel_" + QLocale::system().name(), ":/translations/");
 	app.installTranslator(&translator);
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 1afb262..2a22ec6 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -23,6 +23,7 @@
 #include <QIcon>
 #include <QImage>
 #include <QSvgGenerator>
+#include <QSettings>
 #include <QMessageBox>
 #include <QDebug>
 #include "mainwindow.h"
@@ -49,7 +50,7 @@ MainWindow::~MainWindow()
 void
 MainWindow::setupUi()
 {
-	setWindowTitle(tr("DB Model"));
+	setWindowTitle(tr("Database Modeller"));
 	resize(QSize(780, 580));
 
 	setupToolBar();
@@ -103,6 +104,12 @@ MainWindow::setupActions()
 	m_actionExportPNG->setText(tr("Export..."));
 	connect(m_actionExportPNG, SIGNAL(triggered(bool)), SLOT(exportPNG()));
 
+	for (int i = 0; i < MaxRecentFiles; i++) {
+		m_actionRecentFile[i] = new QAction(this);
+		m_actionRecentFile[i]->setVisible(false);
+		connect(m_actionRecentFile[i], SIGNAL(triggered()), this, SLOT(openRecentFile()));
+	}
+
 	m_actionSwitchMode[0] = new QAction(this);
 	m_actionSwitchMode[0]->setText(tr("Select"));
 	m_actionSwitchMode[0]->setIcon(QIcon(":/icons/cr16-action-mouse_pointer.png"));
@@ -184,7 +191,13 @@ MainWindow::setupMenuBar()
 	menu->addAction(m_actionSave);
 	menu->addAction(m_actionSaveAs);
 	menu->addSeparator();
+
 	menu->addAction(m_actionExportPNG);
+	m_actionRecentFilesSeparator = menu->addSeparator();
+	for (int i = 0; i < MaxRecentFiles; i++)
+		menu->addAction(m_actionRecentFile[i]);
+	updateRecentFileActions();
+
 	menu->addSeparator();
 	menu->addAction(tr("&Quit"), this, SLOT(close()), QKeySequence(tr("Ctrl+Q")));
 
@@ -202,14 +215,27 @@ MainWindow::deleteSelectedItems()
 }
 
 void
+MainWindow::loadFile(const QString &fileName)
+{
+	DiagramDocument *model = new DiagramDocument(this);
+	model->load(fileName);
+	newModel(model);
+	addRecentFile(fileName);
+}
+
+void
+MainWindow::saveFile(const QString &fileName)
+{
+	m_model->save(fileName);
+	addRecentFile(fileName);
+}
+
+void
 MainWindow::open()
 {
 	QString fileName = QFileDialog::getOpenFileName(this, QString(), QString(), "Database Model (*.dmf)");
-	if (!fileName.isNull()) {
-		DiagramDocument *model = new DiagramDocument(this);
-		model->load(fileName);
-		newModel(model);
-	}
+	if (!fileName.isNull())
+		loadFile(fileName);
 }
 
 void
@@ -220,7 +246,7 @@ MainWindow::save()
 		saveAs();
 	}
 	else {
-		m_model->save(fileName);
+		saveFile(fileName);
 	}
 }
 
@@ -228,9 +254,8 @@ void
 MainWindow::saveAs()
 {
 	QString fileName = QFileDialog::getSaveFileName(this, QString(), m_model->fileName(), "Database Model (*.dmf)");
-	if (!fileName.isNull()) {
-		m_model->save(fileName);
-	}
+	if (!fileName.isNull())
+		saveFile(fileName);
 }
 
 void
@@ -328,3 +353,48 @@ MainWindow::currentUndoStack()
 {
 	return m_undoGroup->activeStack();
 }
+
+void
+MainWindow::openRecentFile()
+{
+	QAction *action = qobject_cast<QAction *>(sender());
+	if (action)
+		loadFile(action->data().toString());
+}
+
+void
+MainWindow::addRecentFile(const QString &fileName)
+{
+	QSettings settings;
+	QStringList files = settings.value("recentFileList").toStringList();
+	files.removeAll(fileName);
+	files.prepend(fileName);
+	while (files.size() > MaxRecentFiles)
+		files.removeLast();
+	settings.setValue("recentFileList", files);
+	foreach (QWidget *widget, QApplication::topLevelWidgets()) {
+		MainWindow *mainWin = qobject_cast<MainWindow *>(widget);
+		if (mainWin)
+			mainWin->updateRecentFileActions();
+	}
+}
+
+void
+MainWindow::updateRecentFileActions()
+{
+	QSettings settings;
+	QStringList files = settings.value("recentFileList").toStringList();
+
+	int numRecentFiles = qMin(files.size(), (int)MaxRecentFiles);
+
+	for (int i = 0; i < numRecentFiles; ++i) {
+		QString text = tr("&%1. %2").arg(i + 1).arg(QFileInfo(files[i]).fileName());
+		m_actionRecentFile[i]->setText(text);
+		m_actionRecentFile[i]->setData(files[i]);
+		m_actionRecentFile[i]->setVisible(true);
+	}
+	for (int j = numRecentFiles; j < MaxRecentFiles; ++j)
+		m_actionRecentFile[j]->setVisible(false);
+
+	m_actionRecentFilesSeparator->setVisible(numRecentFiles > 0);
+}
diff --git a/src/mainwindow.h b/src/mainwindow.h
index bd8e6f8..d8de166 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -53,6 +53,13 @@ public slots:
 	void exportPNG();
 	void setViewScale(const QString &scale);
 
+	void loadFile(const QString &fileName);
+	void saveFile(const QString &fileName);
+
+	void addRecentFile(const QString &fileName);
+	void openRecentFile();
+	void updateRecentFileActions();
+
 protected:
 	void setupUi();
 	void setupActions();
@@ -73,6 +80,10 @@ private:
 	QAction *m_actionSave;
 	QAction *m_actionSaveAs;
 	QAction *m_actionExportPNG;
+
+	enum { MaxRecentFiles = 5 };
+	QAction *m_actionRecentFilesSeparator;
+	QAction *m_actionRecentFile[MaxRecentFiles];
 };
 
 #endif