Changeset 47 in tspsg-svn for trunk/src/mainwindow.cpp

Timestamp:

Aug 2, 2009, 9:47:45 PM (15 years ago)

Author:

laleppa

Message:

+ Current file name is displayed in main application window header.

• Created a method for prompt for unsaved changes to unify it throughout the code.
• Some stylistic README changes.

File:

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

trunk/src/mainwindow.cpp

@@ -87 +87 @@
         connect(tspmodel,SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),this,SLOT(dataChanged()));
         connect(tspmodel,SIGNAL(layoutChanged()),this,SLOT(dataChanged()));
-        if (QCoreApplication::arguments().count() > 1) {
-                tspmodel->loadTask(QCoreApplication::arguments().at(1));
+        if ((QCoreApplication::arguments().count() > 1) && (tspmodel->loadTask(QCoreApplication::arguments().at(1)))) {
+                setFileName(QCoreApplication::arguments().at(1));
                 setWindowModified(false);
-        }
+        } else
+                setFileName();
 #ifdef Q_OS_WINCE
         taskView->resizeColumnsToContents();
@@ -164 +165 @@
 }
 
+void MainWindow::setFileName(QString fileName)
+{
+        this->fileName = fileName;
+        setWindowTitle(QString("%1[*] - %2").arg(QFileInfo(fileName).completeBaseName()).arg(trUtf8("Travelling Salesman Problem")));
+}
+
 void MainWindow::spinCitiesValueChanged(int n)
 {
@@ -179 +186 @@
 }
 
+bool MainWindow::maybeSave()
+{
+        if (!isWindowModified())
+                return true;
+int res = QMessageBox(QMessageBox::Warning,trUtf8("Unsaved Changes"),trUtf8("Would you like to save changes in current task?"),QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel,this).exec();
+        if (res == QMessageBox::Save)
+                return saveTask();
+        else if (res == QMessageBox::Cancel)
+                return false;
+        else
+                return true;
+}
 
 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;
-        }
+        if (!maybeSave())
+                return;
         tspmodel->clear();
+#ifdef Q_OS_WINCE
+        taskView->resizeColumnsToContents();
+        taskView->resizeRowsToContents();
+#endif
+        setFileName();
         setWindowModified(false);
         tabWidget->setCurrentIndex(0);
@@ -196 +217 @@
 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;
-        }
+        if (!maybeSave())
+                return;
 QFileDialog od(this);
         od.setAcceptMode(QFileDialog::AcceptOpen);
         od.setFileMode(QFileDialog::ExistingFile);
 QStringList filters(trUtf8("All Supported Formats") + " (*.tspt *.zkt)");
-        filters.append(QString(trUtf8("%1 Task Files")).arg("TSPSG") + " (*.tspt)");
-        filters.append(QString(trUtf8("%1 Task Files")).arg("ZKomModRd") + " (*.zkt)");
+        filters.append(trUtf8("%1 Task Files").arg("TSPSG") + " (*.tspt)");
+        filters.append(trUtf8("%1 Task Files").arg("ZKomModRd") + " (*.zkt)");
         filters.append(trUtf8("All Files") + " (*)");
         od.setNameFilters(filters);
@@ -212 +230 @@
                 return;
 QStringList files = od.selectedFiles();
-        if (files.size() < 1)
-                return;
-        tspmodel->loadTask(files.first());
+        if (files.empty())
+                return;
+        QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
+        if (!tspmodel->loadTask(files.first())) {
+                QApplication::restoreOverrideCursor();
+                return;
+        }
+        setFileName(files.first());
+#ifdef Q_OS_WINCE
+        taskView->resizeColumnsToContents();
+        taskView->resizeRowsToContents();
+#endif
+        tabWidget->setCurrentIndex(0);
         setWindowModified(false);
         solutionText->clear();
         enableSolutionActions(false);
+        QApplication::restoreOverrideCursor();
 }
 
@@ -264 +293 @@
 QFileDialog sd(this);
         sd.setAcceptMode(QFileDialog::AcceptSave);
-QStringList filters(QString(trUtf8("%1 Task File")).arg("TSPSG") + " (*.tspt)");
+QStringList filters(trUtf8("%1 Task File").arg("TSPSG") + " (*.tspt)");
         filters.append(trUtf8("All Files") + " (*)");
         sd.setNameFilters(filters);
         sd.setDefaultSuffix("tspt");
+        if (fileName.endsWith(".tspt",Qt::CaseInsensitive))
+                sd.selectFile(fileName);
+        else
+                sd.selectFile(QFileInfo(fileName).canonicalPath() + "/" + QFileInfo(fileName).completeBaseName() + ".tspt");
         if (sd.exec() != QDialog::Accepted)
                 return false;
 QStringList files = sd.selectedFiles();
-        if (files.size() < 1)
+        if (files.empty())
                 return false;
+        QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
         if (tspmodel->saveTask(files.first())) {
+                setFileName(files.first());
                 setWindowModified(false);
+                QApplication::restoreOverrideCursor();
                 return true;
-        } else
-                return false;
+        }
+        QApplication::restoreOverrideCursor();
+        return false;
 }
 
@@ -351 +388 @@
                         row.append(tspmodel->index(r,c).data(Qt::UserRole).toDouble(&ok));
                         if (!ok) {
-                                QMessageBox(QMessageBox::Critical,trUtf8("Data error"),QString(trUtf8("Error in cell [Row %1; Column %2]: Invalid data format.")).arg(r + 1).arg(c + 1),QMessageBox::Ok,this).exec();
+                                QMessageBox(QMessageBox::Critical,trUtf8("Data error"),trUtf8("Error in cell [Row %1; Column %2]: Invalid data format.").arg(r + 1).arg(c + 1),QMessageBox::Ok,this).exec();
                                 return;
                         }
@@ -467 +504 @@
                         return;
         }
+bool untitled = (fileName == trUtf8("Untitled") + ".tspt");
         if (loadLanguage(action->data().toString())) {
                 settings->setValue("Language",action->data().toString());
                 retranslateUi(this);
+                if (untitled)
+                        setFileName();
         }
 }
@@ -475 +515 @@
 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;
-                }
+        if (!maybeSave()) {
+                event->ignore();
+                return;
         }
         settings->setValue("NumCities",spinCities->value());