Test: added stats (time, answer and q/a) after test.

src/main/java/es/kauron/jstudy/controller/Controller.java

@@ -1,6 +1,7 @@
 package es.kauron.jstudy.controller;
 
 import es.kauron.jstudy.Main;
+import es.kauron.jstudy.model.AnsweredItem;
 import es.kauron.jstudy.model.AppPrefs;
 import es.kauron.jstudy.model.TestItem;
 import javafx.application.Platform;
@@ -356,7 +357,7 @@ public class Controller implements Initializable {
             FXMLLoader loader = new FXMLLoader(Main.class.getResource("view/test.fxml"));
             Parent root = loader.load();
 
-            ((TestController) loader.getController()).setList(new ArrayList<>(list));
+            ((TestController) loader.getController()).setData(new ArrayList<>(list), this);
 
             theTest = new Tab("Test: " + tabPane.getSelectionModel().getSelectedItem().getText(), root);
             tabPane.getTabs().add(theTest);
@@ -367,6 +368,20 @@ public class Controller implements Initializable {
         }
     }
 
+    void createStatsTab(List<AnsweredItem> answers) {
+        try {
+            FXMLLoader loader = new FXMLLoader(Main.class.getResource("view/stats.fxml"));
+            Parent root = loader.load();
+            ((StatsController) loader.getController()).setData(answers);
+            Matcher m = Pattern.compile("^Test: (.*)$").matcher(tabPane.getSelectionModel().getSelectedItem().getText());
+            m.find();
+            tabPane.getTabs().add(new Tab("Stats: " + m.group(1), root));
+            tabPane.getSelectionModel().selectLast();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
     @FXML
     protected void onAboutAction(ActionEvent event) {
         if (Desktop.isDesktopSupported()) {

src/main/java/es/kauron/jstudy/controller/StatsController.java

@@ -0,0 +1,42 @@
+package es.kauron.jstudy.controller;
+
+import es.kauron.jstudy.model.AnsweredItem;
+import javafx.beans.binding.Bindings;
+import javafx.collections.FXCollections;
+import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableRow;
+import javafx.scene.control.TableView;
+
+import java.net.URL;
+import java.util.List;
+import java.util.ResourceBundle;
+
+public class StatsController implements Initializable {
+    @FXML
+    protected TableView<AnsweredItem> table;
+
+    @FXML
+    protected TableColumn<AnsweredItem, String> numCol, questionCol, answerCol, userAnswerCol, timeCol;
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+        numCol.setCellValueFactory(e -> e.getValue().indexProperty.asString());
+        questionCol.setCellValueFactory(e -> e.getValue().item.questionProperty());
+        answerCol.setCellValueFactory(e -> e.getValue().item.answerProperty());
+        userAnswerCol.setCellValueFactory(e -> e.getValue().answerProperty);
+        timeCol.setCellValueFactory(e -> Bindings.format("%.3f", e.getValue().timeProperty.divide(1e9)));
+    }
+
+    public void setData(List<AnsweredItem> answers) {
+        table.setItems(FXCollections.observableArrayList(answers));
+        // Set wrong answers in bold
+        table.setRowFactory(param -> {
+            TableRow<AnsweredItem> row = new TableRow<>();
+            row.itemProperty().addListener((obj, o, n) ->
+                    row.setStyle(n == null || n.isRight() ? "" : "-fx-font-weight: bold"));
+            return row;
+        });
+    }
+}

src/main/java/es/kauron/jstudy/controller/TestController.java

@@ -1,5 +1,6 @@
 package es.kauron.jstudy.controller;
 
+import es.kauron.jstudy.model.AnsweredItem;
 import es.kauron.jstudy.model.AppPrefs;
 import es.kauron.jstudy.model.TestItem;
 import es.kauron.jstudy.util.Clock;
@@ -12,6 +13,7 @@ import javafx.scene.control.*;
 import javafx.scene.layout.Pane;
 
 import java.net.URL;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.ResourceBundle;
 
@@ -36,6 +38,9 @@ public class TestController implements Initializable {
     private final IntegerProperty errors = new SimpleIntegerProperty(0);
     private final ObjectProperty<TestItem> item = new SimpleObjectProperty<>();
     private final IntegerProperty done = new SimpleIntegerProperty(0);
+    private final List<AnsweredItem> answers = new ArrayList<>();
+    private long timeQuestionStarted = 0;
+    private Controller controller;
     // Time accounting
     private final Clock clock = new Clock();
 
@@ -51,7 +56,8 @@ public class TestController implements Initializable {
         });
     }
 
-    void setList(List<TestItem> list) {
+    void setData(List<TestItem> list, Controller controller) {
+        this.controller = controller;
         this.list = list;
         int total = list.size();
         progressLabel.textProperty().bind(Bindings.format(
@@ -72,13 +78,18 @@ public class TestController implements Initializable {
 
     @FXML
     private void onNextAction(ActionEvent event) {
+        // Do not accept empty responses
+        if (answer.getText().trim().isEmpty()) return;
+        // Record the answer
+        long timeElapsed = System.nanoTime() - timeQuestionStarted;
+        AnsweredItem ai = new AnsweredItem(item.get(), answers.size() + 1, answer.getText().trim(), timeElapsed);
+        answers.add(ai);
         prevAnswer.setText(answer.getText());
 
-        boolean right = item.get().checkAnswer(answer.getText());
-        correctAnswer.setVisible(!right);
-        correctLabel.setVisible(!right);
+        correctAnswer.setVisible(!ai.isRight());
+        correctLabel.setVisible(!ai.isRight());
 
-        if (!right) {
+        if (!ai.isRight()) {
             errors.set(errors.get() + 1);
             prevAnswer.setStyle("-fx-text-fill: #C40000;");
         } else {
@@ -86,10 +97,10 @@ public class TestController implements Initializable {
         }
 
         // Remove the question from the pool if the question was correctly answered or there is no repetition
-        if (right || !AppPrefs.repeatWrong.get()) {
+        if (ai.isRight() || !AppPrefs.repeatWrong.get()) {
             if (!correctingError.get())
                 done.set(done.get() + 1);
-            correctingError.set(!right && AppPrefs.repeatImmediately.get());
+            correctingError.set(!ai.isRight() && AppPrefs.repeatImmediately.get());
             list.remove(item.get());
             if (list.size() == 0) {
                 onEndAction(null);
@@ -105,6 +116,7 @@ public class TestController implements Initializable {
         }
         answer.setText("");
         answer.requestFocus();
+        timeQuestionStarted = System.nanoTime();
     }
 
     private void chooseQuestion() {
@@ -121,6 +133,7 @@ public class TestController implements Initializable {
         chooseQuestion();
         answer.setText("");
         answer.requestFocus();
+        timeQuestionStarted = System.nanoTime();
     }
 
     @FXML
@@ -130,6 +143,7 @@ public class TestController implements Initializable {
         pauseCheckBox.setSelected(true);
         pauseCheckBox.setDisable(true);
         clock.stop();
+        controller.createStatsTab(answers);
     }
 
     void stopTimer() {

src/main/java/es/kauron/jstudy/model/AnsweredItem.java

@@ -0,0 +1,24 @@
+package es.kauron.jstudy.model;
+
+import javafx.beans.property.ReadOnlyIntegerProperty;
+import javafx.beans.property.ReadOnlyIntegerWrapper;
+import javafx.beans.property.ReadOnlyLongWrapper;
+import javafx.beans.property.ReadOnlyStringWrapper;
+
+public class AnsweredItem {
+    public final ReadOnlyStringWrapper answerProperty;
+    public final ReadOnlyLongWrapper timeProperty;
+    public final ReadOnlyIntegerProperty indexProperty;
+    public final TestItem item;
+
+    public AnsweredItem(TestItem item, int index, String answer, long timeNano) {
+        this.item = item;
+        this.indexProperty = new ReadOnlyIntegerWrapper(index);
+        this.answerProperty = new ReadOnlyStringWrapper(answer);
+        this.timeProperty = new ReadOnlyLongWrapper(timeNano);
+    }
+
+    public boolean isRight() {
+        return item.getAnswer().equals(answerProperty.get());
+    }
+}

src/main/java/es/kauron/jstudy/model/TestItem.java

@@ -49,10 +49,6 @@ public class TestItem {
         return !question.get().isEmpty() && !answer.get().isEmpty();
     }
 
-    public boolean checkAnswer(String answer) {
-        return getAnswer().equals(answer);
-    }
-
     public static void saveTo(File file, List<TestItem> data) {
         try (OutputStreamWriter writer = new OutputStreamWriter(
                 new FileOutputStream(file), StandardCharsets.UTF_8.newEncoder())) {

src/main/resources/es/kauron/jstudy/view/stats.fxml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.VBox?>
+<VBox xmlns="http://javafx.com/javafx/8.0.202-ea" xmlns:fx="http://javafx.com/fxml/1" fx:controller="es.kauron.jstudy.controller.StatsController">
+  <children>
+    <TableView fx:id="table" maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" minHeight="-Infinity" minWidth="-Infinity" prefHeight="200.0" prefWidth="400.0" HBox.hgrow="ALWAYS" VBox.vgrow="ALWAYS">
+      <columns>
+        <TableColumn fx:id="numCol" text="#" style="-fx-alignment: CENTER-RIGHT" />
+        <TableColumn fx:id="questionCol" prefWidth="75.0" text="Question" />
+        <TableColumn fx:id="answerCol" prefWidth="75.0" text="Correct answer" />
+        <TableColumn fx:id="userAnswerCol" prefWidth="75.0" text="Your answer" />
+        <TableColumn fx:id="timeCol" prefWidth="15.0" text="Time" style="-fx-alignment: CENTER-RIGHT" />
+      </columns>
+      <columnResizePolicy>
+        <TableView fx:constant="CONSTRAINED_RESIZE_POLICY" />
+      </columnResizePolicy>
+    </TableView>
+  </children>
+</VBox>