Added possibility to save measurement data

src/main/java/de/neemann/digital/gui/components/data/DataSample.java

@@ -2,6 +2,8 @@ package de.neemann.digital.gui.components.data;
 
 import de.neemann.digital.core.Model;
 
+import java.io.BufferedWriter;
+import java.io.IOException;
 import java.util.ArrayList;
 
 /**
@@ -74,4 +76,16 @@ public class DataSample {
             values[i] = signals.get(i).getValue().getValueIgnoreBurn();
         return this;
     }
+
+    /**
+     * Write this sample as a single CSV line
+     *
+     * @param w the writer
+     * @throws IOException IOException
+     */
+    public void writeTo(BufferedWriter w) throws IOException {
+        w.write("\"" + timeStamp + "\"");
+        for (int i = 0; i < values.length; i++)
+            w.write(",\"" + values[i] + "\"");
+    }
 }

src/main/java/de/neemann/digital/gui/components/data/DataSet.java

@@ -7,6 +7,7 @@ import de.neemann.digital.draw.graphics.Style;
 import de.neemann.digital.draw.graphics.Vector;
 import de.neemann.digital.draw.shapes.Drawable;
 
+import java.io.*;
 import java.util.ArrayList;
 import java.util.Iterator;
 
@@ -192,16 +193,43 @@ public class DataSet implements Iterable<DataSample>, Drawable {
         return maxTextLength * Style.NORMAL.getFontSize() / 2 + BORDER + SEP;
     }
 
+    /**
+     * @return the preferred width of the graphical representation
+     */
     public int getGraphicWidth() {
         return getTextBorder() + size() * SIZE;
     }
 
+    /**
+     * @return the preferred height of the graphical representation
+     */
     public int getGraphicHeight() {
         return signalSize() * (SIZE + SEP) + 2 * BORDER;
     }
 
+    /**
+     * @return the signals stored
+     */
     public ArrayList<Model.Signal> getSignals() {
         return signals;
     }
 
+    /**
+     * Stores the data in  csv file
+     *
+     * @param file the file
+     * @throws IOException IOException
+     */
+    public void saveCSV(File file) throws IOException {
+        try (BufferedWriter w = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "UTF-8"))) {
+            w.write("\"step\"");
+            for (Model.Signal s : signals)
+                w.write(",\"" + s.getName() + '"');
+            w.newLine();
+            for (DataSample s : samples) {
+                s.writeTo(w);
+                w.newLine();
+            }
+        }
+    }
 }

src/main/java/de/neemann/digital/gui/components/data/DataSetDialog.java

@@ -5,11 +5,17 @@ import de.neemann.digital.core.ModelEvent;
 import de.neemann.digital.core.ModelStateObserver;
 import de.neemann.digital.gui.components.OrderMerger;
 import de.neemann.digital.lang.Lang;
+import de.neemann.gui.ErrorMessage;
+import de.neemann.gui.ToolTipAction;
 
 import javax.swing.*;
+import javax.swing.filechooser.FileNameExtensionFilter;
 import java.awt.*;
+import java.awt.event.ActionEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
+import java.io.File;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -30,7 +36,7 @@ public class DataSetDialog extends JDialog implements ModelStateObserver {
      * @param owner    the parent frame
      * @param model    the model used to collect the data
      * @param type     the event type which triggers a new DataSample
-     * @param ordering
+     * @param ordering the ordering of the measurement values
      */
     public DataSetDialog(Frame owner, Model model, ModelEvent type, List<String> ordering) {
         super(owner, Lang.get("win_measures"), false);
@@ -67,6 +73,28 @@ public class DataSetDialog extends JDialog implements ModelStateObserver {
 
         scrollPane.getViewport().setPreferredSize(dsc.getPreferredSize());
 
+        JMenuBar bar = new JMenuBar();
+        JMenu file = new JMenu(Lang.get("menu_file"));
+        bar.add(file);
+        file.add(new ToolTipAction(Lang.get("menu_saveData")) {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                JFileChooser fileChooser = new JFileChooser();
+                fileChooser.setFileFilter(new FileNameExtensionFilter("Comma Separated Values", "csv"));
+                if (fileChooser.showSaveDialog(DataSetDialog.this) == JFileChooser.APPROVE_OPTION) {
+                    File file = fileChooser.getSelectedFile();
+                    if (!file.getName().endsWith(".csv"))
+                        file = new File(file.getParentFile(), file.getName() + ".csv");
+                    try {
+                        dataSet.saveCSV(file);
+                    } catch (IOException e1) {
+                        new ErrorMessage(Lang.get("msg_errorSavingData")).addCause(e1).show(DataSetDialog.this);
+                    }
+                }
+            }
+        }.setToolTip(Lang.get("menu_saveData_tt")).createJMenuItem());
+        setJMenuBar(bar);
+
         pack();
         setLocationRelativeTo(owner);
     }

src/main/resources/lang/lang_de.properties

@@ -203,6 +203,8 @@ menu_delete=L\u00F6schen
 menu_delete_tt=L\u00F6scht ausgew\u00E4hlte Elemente
 menu_editRunAttributes=Simulationseinstellungen
 menu_editRunAttributes_tt=Einstellungen f\u00FCr den Start der Simulation
+menu_saveData=Daten speichern
+menu_saveData_tt=Speichert die Daten als CSV Datei
 
 menu_about=\u00DCber Digital
 

src/main/resources/lang/lang_en.properties

@@ -203,6 +203,8 @@ menu_delete=Delete elements
 menu_delete_tt=Delete selected single element or group of elements
 menu_editRunAttributes=Simulation Settings
 menu_editRunAttributes_tt=Settings used to start the simulation
+menu_saveData=Save Data
+menu_saveData_tt=Save data as CSV file
 
 win_saveChanges=Save Changes?
 win_confirmExit=Confirm Exit!