Add save as method

rattle99 · Feb 9, 2019 · c3bc494 · c3bc494
1 parent c08c344
commit c3bc494
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Showing 2 changed files with 23 additions and 3 deletions.
diff --git a/QtNotepad/mainwindow.cpp b/QtNotepad/mainwindow.cpp
@@ -27,6 +27,7 @@ void MainWindow::on_actionOpen_triggered()
     currentFile = fileName;
     if(!file.open(QIODevice::ReadOnly | QFile::Text)){
         QMessageBox::warning(this, "Warning", "Cannot open file : " + file.errorString());
+        return;
     }
     setWindowTitle(fileName);
     QTextStream in(&file);
@@ -35,6 +36,18 @@ void MainWindow::on_actionOpen_triggered()
     file.close();
 }
 
-
-
-
+void MainWindow::on_actionSave_As_triggered()
+{
+    QString filename = QFileDialog::getSaveFileName(this, "Save as ");
+    QFile file(fileName);
+    if(!file.open(QFile::WriteOnly | QFile::Text)){
+        QMessageBox::warning(this, "Warning", "Cannot save file : " + file.errorString());
+        return;
+    }
+    currentFile = fileName;
+    setWindowTitle(fileName);
+    QTextStream out(&file);
+    QString text = ui->textEdit->toPlainText();
+    out << text;
+    file.close();
+}
diff --git a/QtNotepad/mainwindow.h b/QtNotepad/mainwindow.h
@@ -22,6 +22,13 @@ class MainWindow : public QMainWindow
     explicit MainWindow(QWidget *parent = 0);
     ~MainWindow();
 
+private slots:
+    void on_actionNew_triggered();
+
+    void on_actionOpen_triggered();
+
+    void on_actionSave_As_triggered();
+
 private:
     Ui::MainWindow *ui;
     QString currentFile = "";