From 97f5346d6805feddc35e5a984d15215265f826fa Mon Sep 17 00:00:00 2001
From: gekoramy <luka.mosetti@gmail.com>
Date: Tue, 28 Aug 2018 19:49:19 +0200
Subject: [PATCH] Add the ability to shuffle

---
 .../github/quiz/app/preview/PreviewPresenter.java      |  7 +++++++
 .../me/gekoramy/github/quiz/app/preview/preview.fxml   | 10 ++++++++++
 .../me/gekoramy/github/quiz/service/ExamStarter.java   |  4 ++++
 src/main/java/me/gekoramy/github/quiz/util/Pool.java   |  5 ++++-
 4 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/main/java/me/gekoramy/github/quiz/app/preview/PreviewPresenter.java b/src/main/java/me/gekoramy/github/quiz/app/preview/PreviewPresenter.java
index 35e6220..28382a4 100755
--- a/src/main/java/me/gekoramy/github/quiz/app/preview/PreviewPresenter.java
+++ b/src/main/java/me/gekoramy/github/quiz/app/preview/PreviewPresenter.java
@@ -50,6 +50,8 @@ public class PreviewPresenter implements Initializable {
     @FXML
     private Hyperlink btnRefresh;
     @FXML
+    private Hyperlink btnShuffle;
+    @FXML
     private Hyperlink btnDownload;
     @FXML
     private Hyperlink btnStart;
@@ -111,6 +113,7 @@ public void initialize(URL location, ResourceBundle resources) {
         btnStore.setOnAction(e -> onStore());
         btnDownload.setOnAction(e -> onDownload());
         btnRefresh.setOnAction(e -> onRefresh());
+        btnShuffle.setOnAction(e -> onShuffle());
         btnStart.setOnAction(e -> onStart());
     }
 
@@ -183,4 +186,8 @@ private void onRefresh() {
             }
         }
     }
+
+    private void onShuffle() {
+        examStarter.shuffle();
+    }
 }
diff --git a/src/main/java/me/gekoramy/github/quiz/app/preview/preview.fxml b/src/main/java/me/gekoramy/github/quiz/app/preview/preview.fxml
index 2ee8615..f96cd06 100755
--- a/src/main/java/me/gekoramy/github/quiz/app/preview/preview.fxml
+++ b/src/main/java/me/gekoramy/github/quiz/app/preview/preview.fxml
@@ -51,6 +51,16 @@
                     <Font size="35.0"/>
                 </font>
             </Hyperlink>
+            <Hyperlink fx:id="btnShuffle">
+                <graphic>
+                    <SVGPath
+                            content="M10.59 9.17L5.41 4 4 5.41l5.17 5.17 1.42-1.41zM14.5 4l2.04 2.04L4 18.59 5.41 20 17.96 7.46 20 9.5V4h-5.5zm.33 9.41l-1.41 1.41 3.13 3.13L14.5 20H20v-5.5l-2.04 2.04-3.13-3.13z"
+                            scaleX="1.5" scaleY="1.5" style="-fx-fill: #424242;"/>
+                </graphic>
+                <font>
+                    <Font size="35.0"/>
+                </font>
+            </Hyperlink>
             <Hyperlink fx:id="btnStart">
                 <graphic>
                     <SVGPath content="M8 5v14l11-7z" scaleX="1.5" scaleY="1.5" style="-fx-fill: #424242;"/>
diff --git a/src/main/java/me/gekoramy/github/quiz/service/ExamStarter.java b/src/main/java/me/gekoramy/github/quiz/service/ExamStarter.java
index fea628d..0064cb3 100755
--- a/src/main/java/me/gekoramy/github/quiz/service/ExamStarter.java
+++ b/src/main/java/me/gekoramy/github/quiz/service/ExamStarter.java
@@ -47,4 +47,8 @@ protected Void call() {
             }
         };
     }
+
+    public void shuffle() {
+        questionPool.shuffle();
+    }
 }
diff --git a/src/main/java/me/gekoramy/github/quiz/util/Pool.java b/src/main/java/me/gekoramy/github/quiz/util/Pool.java
index b5cf157..c7eb61b 100755
--- a/src/main/java/me/gekoramy/github/quiz/util/Pool.java
+++ b/src/main/java/me/gekoramy/github/quiz/util/Pool.java
@@ -54,7 +54,6 @@ public DoubleProperty progressProperty() {
     public void revert() {
         toDoList.clear();
         toDoList.addAll(totalList);
-        Collections.shuffle(toDoList);
         this.progress.set(1);
     }
 
@@ -76,4 +75,8 @@ public List<T> retrieve(int many) {
     public boolean isDone() {
         return toDoList.size() == 0;
     }
+
+    public void shuffle() {
+        Collections.shuffle(toDoList);
+    }
 }