Changeset 37 in tspsg-svn for trunk/src/mainwindow.cpp

Timestamp:

Jul 16, 2009, 6:00:27 PM (15 years ago)

Author:

laleppa

Message:

+ Task save prompt before creating or opening task and closing application if current task was modified.

• Translation updates.

File:

• trunk/src/mainwindow.cpp (modified) (9 diffs)

trunk/src/mainwindow.cpp

@@ -45 +45 @@
         connect(actionSettingsLanguageAutodetect,SIGNAL(triggered(bool)),this,SLOT(actionSettingsLanguageAutodetectTriggered(bool)));
         connect(groupSettingsLanguageList,SIGNAL(triggered(QAction *)),this,SLOT(groupSettingsLanguageListTriggered(QAction *)));
+        connect(actionHelpAboutQt,SIGNAL(triggered()),qApp,SLOT(aboutQt()));
         connect(actionHelpAbout,SIGNAL(triggered()),this,SLOT(actionHelpAboutTriggered()));
 #ifndef Q_OS_WINCE
@@ -78 +79 @@
         taskView->setModel(tspmodel);
         connect(tspmodel,SIGNAL(numCitiesChanged(int)),this,SLOT(numCitiesChanged(int)));
+        connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged()));
+        connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
 #ifdef Q_OS_WINCE
         taskView->resizeColumnsToContents();
@@ -149 +152 @@
 void MainWindow::actionFileNewTriggered()
 {
+        if (isWindowModified()) {
+int res = QMessageBox(QMessageBox::Warning,trUtf8("New Task"),trUtf8("Would you like to save changes in current task?"),QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,this).exec();
+                if ((res == QMessageBox::Cancel) || ((res == QMessageBox::Yes) && !saveTask()))
+                        return;
+        }
         tspmodel->clear();
+        setWindowModified(false);
 }
 
 void MainWindow::actionFileOpenTriggered()
 {
+        if (isWindowModified()) {
+int res = QMessageBox(QMessageBox::Warning,trUtf8("Task Open"),trUtf8("Would you like to save changes in current task?"),QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,this).exec();
+                if ((res == QMessageBox::Cancel) || ((res == QMessageBox::Yes) && !saveTask()))
+                        return;
+        }
 QFileDialog od(this);
         od.setAcceptMode(QFileDialog::AcceptOpen);
@@ -168 +182 @@
                 return;
         tspmodel->loadTask(files.first());
+        setWindowModified(false);
 }
 
 void MainWindow::actionFileSaveTaskTriggered()
 {
+        saveTask();
+}
+
+bool MainWindow::saveTask() {
 QFileDialog sd(this);
         sd.setAcceptMode(QFileDialog::AcceptSave);
@@ -179 +198 @@
         sd.setDefaultSuffix("tspt");
         if (sd.exec() != QDialog::Accepted)
-                return;
+                return false;
 QStringList files = sd.selectedFiles();
         if (files.size() < 1)
-                return;
-        tspmodel->saveTask(files.first());
+                return false;
+        if (tspmodel->saveTask(files.first())) {
+                setWindowModified(false);
+                return true;
+        } else
+                return false;
 }
 
@@ -208 +231 @@
 {
         tspmodel->randomize();
+        setWindowModified(true);
 #ifdef Q_OS_WINCE
         taskView->resizeColumnsToContents();
@@ -244 +268 @@
 QString about = QString::fromUtf8("TSPSG - TSP Solver and Generator\n");
 about += QString::fromUtf8("    Copyright (C) 2007-%1 Lёppa <contacts[at]oleksii[dot]name>\n").arg(QDate::currentDate().toString("yyyy"));
-        about += "Qt library versions:\n";
-        about += QString::fromUtf8("    OS: %1\n").arg(OS);
+        about += QString::fromUtf8("Target OS: %1\n").arg(OS);
+        about += "Qt library:\n";
         about += QString::fromUtf8("    Compile time: %1\n").arg(QT_VERSION_STR);
         about += QString::fromUtf8("    Runtime: %1\n").arg(qVersion());
@@ -312 +336 @@
 void MainWindow::closeEvent(QCloseEvent *event)
 {
+        if (isWindowModified()) {
+int res = QMessageBox(QMessageBox::Warning,trUtf8("Application Close"),trUtf8("Would you like to save changes in current task?"),QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,this).exec();
+                if ((res == QMessageBox::Cancel) || ((res == QMessageBox::Yes) && !saveTask())) {
+                        event->ignore();
+                        return;
+                }
+        }
         settings->setValue("NumCities",spinCities->value());
 #ifndef Q_OS_WINCE
@@ -328 +359 @@
 }
 
+void MainWindow::dataChanged()
+{
+        setWindowModified(true);
+}
+
 void MainWindow::numCitiesChanged(int nCities)
 {