Basic Text Export of Runs (#306)

* Add basic export as text option.

* Don't use native file dialog.

frontend/CMakeLists.txt

@@ -53,6 +53,7 @@ qt6_add_executable(
   args.h
   data.cpp
   errorHandling.cpp
+  export.cpp
   filtering.cpp
   finding.cpp
   generation.cpp

frontend/export.cpp

@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Copyright (c) 2024 Team JournalViewer and contributors
+
+#include "mainWindow.h"
+#include <QDir>
+#include <QFileDialog>
+#include <QMessageBox>
+
+void MainWindow::exportRunDataAsText()
+{
+    // Save selection or all items?
+    auto saveSelectionOnly =
+        ui_.RunDataTable->selectionModel()->selection().count() > 0 &&
+        QMessageBox::question(this, "Export as Text",
+                              "There are selected items in the table - would you like to export just these?",
+                              QMessageBox::Yes | QMessageBox::No, QMessageBox::No) == QMessageBox::Yes;
+
+    // Get a file name to save under
+    static QDir currentDirectory;
+    auto fileName = QFileDialog::getSaveFileName(this, "Save data as text file", currentDirectory.path(), {}, {},
+                                                 QFileDialog::DontUseNativeDialog);
+    if (fileName.isEmpty())
+        return;
+
+    // Save dir for later
+    currentDirectory.setPath(fileName);
+
+    // Open the file
+    QFile file(fileName);
+    if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
+        return;
+    QTextStream textStream(&file);
+
+    // Get selected runs (we might not use them)
+    auto selectedRuns = ui_.RunDataTable->selectionModel()->selectedRows();
+    auto nData = saveSelectionOnly ? selectedRuns.size() : runDataFilterProxy_.rowCount();
+    for (auto i = 0; i < nData; ++i)
+    {
+        // Get the run number displayed in ith row or the ith selected model index
+        auto runNo =
+            runDataFilterProxy_.getData("run_number", saveSelectionOnly ? selectedRuns[i] : runDataFilterProxy_.index(i, 0));
+        for (auto col = 0; col < runDataFilterProxy_.columnCount(); ++col)
+        {
+            textStream << runDataFilterProxy_
+                              .data(runDataFilterProxy_.index(saveSelectionOnly ? selectedRuns[i].row() : i, col))
+                              .toString()
+                       << "  ";
+        }
+    }
+
+    file.close();
+}
+
+/*
+ * UI
+ */
+
+void MainWindow::on_actionExportAsText_triggered() { exportRunDataAsText(); }

frontend/mainWindow.h

@@ -57,6 +57,16 @@ class MainWindow : public QMainWindow
     protected:
     void closeEvent(QCloseEvent *event) override;
 
+    /*
+     * Export
+     */
+    private:
+    // Export run data as text
+    void exportRunDataAsText();
+
+    private slots:
+    void on_actionExportAsText_triggered();
+
     /*
      * Journal Sources
      */

frontend/mainWindow.ui

@@ -690,6 +690,18 @@
     <property name="title">
      <string>&amp;File</string>
     </property>
+    <widget class="QMenu" name="menuExport">
+     <property name="font">
+      <font>
+       <pointsize>10</pointsize>
+      </font>
+     </property>
+     <property name="title">
+      <string>Export</string>
+     </property>
+     <addaction name="actionExportAsText"/>
+    </widget>
+    <addaction name="menuExport"/>
     <addaction name="separator"/>
     <addaction name="actionQuit"/>
    </widget>
@@ -845,6 +857,11 @@
     <string>Regenerate Source...</string>
    </property>
   </action>
+  <action name="actionExportAsText">
+   <property name="text">
+    <string>As Text</string>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="resources.qrc"/>