From 5c886cee6000dc9f5d8c2f193bc640a97c7adf1b Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 16:48:04 -0700
Subject: [PATCH 01/13] Create new fxml file and controller for it.

---
 .../java/org/nwapw/abacus/fx/AbacusController.java |  5 +++++
 src/main/resources/abacus.fxml                     | 14 ++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 src/main/java/org/nwapw/abacus/fx/AbacusController.java
 create mode 100644 src/main/resources/abacus.fxml

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusController.java b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
new file mode 100644
index 0000000..789d623
--- /dev/null
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
@@ -0,0 +1,5 @@
+package org.nwapw.abacus.fx;
+
+public class AbacusController {
+
+}
diff --git a/src/main/resources/abacus.fxml b/src/main/resources/abacus.fxml
new file mode 100644
index 0000000..45f2b13
--- /dev/null
+++ b/src/main/resources/abacus.fxml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import java.lang.*?>
+<?import java.util.*?>
+<?import javafx.scene.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+
+<AnchorPane xmlns="http://javafx.com/javafx"
+            xmlns:fx="http://javafx.com/fxml"
+            fx:controller="org.nwapw.abacus.fx.AbacusController"
+            prefHeight="400.0" prefWidth="600.0">
+
+</AnchorPane>

From 0b173a68dd961d691422ad481a1e1b1631b80100 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 16:50:39 -0700
Subject: [PATCH 02/13] Add FXML loading application.

---
 .../nwapw/abacus/fx/AbacusApplication.java    | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/main/java/org/nwapw/abacus/fx/AbacusApplication.java

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusApplication.java b/src/main/java/org/nwapw/abacus/fx/AbacusApplication.java
new file mode 100644
index 0000000..3f86fdd
--- /dev/null
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusApplication.java
@@ -0,0 +1,20 @@
+package org.nwapw.abacus.fx;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+public class AbacusApplication extends Application {
+
+    @Override
+    public void start(Stage primaryStage) throws Exception {
+        Parent parent = FXMLLoader.load(getClass().getResource("/abacus.fxml"));
+        Scene mainScene = new Scene(parent, 320, 480);
+        primaryStage.setScene(mainScene);
+        primaryStage.setTitle("Abacus");
+        primaryStage.show();
+    }
+
+}

From d42172ce0384c816b180ff2442b262fa174d8616 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 16:52:34 -0700
Subject: [PATCH 03/13] Add initialization code to AbacusController

---
 .../java/org/nwapw/abacus/fx/AbacusController.java     | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusController.java b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
index 789d623..e5a5923 100644
--- a/src/main/java/org/nwapw/abacus/fx/AbacusController.java
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
@@ -1,5 +1,15 @@
 package org.nwapw.abacus.fx;
 
+import javafx.fxml.FXML;
+import org.nwapw.abacus.Abacus;
+
 public class AbacusController {
 
+    private Abacus abacus;
+
+    @FXML
+    public void initialize(){
+        abacus = new Abacus();
+    }
+
 }

From 192fe7de769352b1e8d319d70fdd1405e2fe2bb2 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 16:56:38 -0700
Subject: [PATCH 04/13] Add a tabbed pane as the main focus of the window.

---
 src/main/resources/abacus.fxml | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/main/resources/abacus.fxml b/src/main/resources/abacus.fxml
index 45f2b13..5e1d90f 100644
--- a/src/main/resources/abacus.fxml
+++ b/src/main/resources/abacus.fxml
@@ -1,14 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import java.lang.*?>
-<?import java.util.*?>
-<?import javafx.scene.*?>
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
 
-<AnchorPane xmlns="http://javafx.com/javafx"
+<BorderPane xmlns="http://javafx.com/javafx"
             xmlns:fx="http://javafx.com/fxml"
-            fx:controller="org.nwapw.abacus.fx.AbacusController"
-            prefHeight="400.0" prefWidth="600.0">
-
-</AnchorPane>
+            fx:controller="org.nwapw.abacus.fx.AbacusController">
+    <center>
+        <TabPane>
+            <Tab text="Calculator" closable="false"/>
+            <Tab text="Settings" closable="false"/>
+        </TabPane>
+    </center>
+</BorderPane>

From 41395f09f99d54a46e901640752b15742c6bfe22 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 17:08:16 -0700
Subject: [PATCH 05/13] Add the inputs to the calculator tab.

---
 src/main/resources/abacus.fxml | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/main/resources/abacus.fxml b/src/main/resources/abacus.fxml
index 5e1d90f..9883d94 100644
--- a/src/main/resources/abacus.fxml
+++ b/src/main/resources/abacus.fxml
@@ -2,14 +2,28 @@
 
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
+<?import javafx.geometry.Insets?>
 
 <BorderPane xmlns="http://javafx.com/javafx"
             xmlns:fx="http://javafx.com/fxml"
             fx:controller="org.nwapw.abacus.fx.AbacusController">
     <center>
         <TabPane>
-            <Tab text="Calculator" closable="false"/>
+            <Tab text="Calculator" closable="false">
+                <BorderPane>
+                    <bottom>
+                        <VBox>
+                            <ScrollPane prefHeight="50" vbarPolicy="NEVER">
+                                <padding><Insets top="10" bottom="10" left="10" right="10"/></padding>
+                            </ScrollPane>
+                            <TextField text="Input"/>
+                            <Button text="Calculate" maxWidth="Infinity"/>
+                        </VBox>
+                    </bottom>
+                </BorderPane>
+            </Tab>
             <Tab text="Settings" closable="false"/>
         </TabPane>
     </center>
+    
 </BorderPane>

From 8c935983b210218a075349223240fcaf51494c6b Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 17:17:56 -0700
Subject: [PATCH 06/13] Link up the evaluation and the UI buttons.

---
 .../org/nwapw/abacus/fx/AbacusController.java | 34 +++++++++++++++++++
 src/main/resources/abacus.fxml                |  8 +++--
 2 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusController.java b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
index e5a5923..d21c034 100644
--- a/src/main/java/org/nwapw/abacus/fx/AbacusController.java
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
@@ -1,10 +1,25 @@
 package org.nwapw.abacus.fx;
 
 import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TextField;
+import javafx.scene.text.Text;
 import org.nwapw.abacus.Abacus;
+import org.nwapw.abacus.number.NumberInterface;
+import org.nwapw.abacus.tree.TreeNode;
 
 public class AbacusController {
 
+    private static final String ERR_SYNTAX = "Syntax Error";
+    private static final String ERR_EVAL = "Evaluation Error";
+
+    @FXML
+    private Text outputText;
+    @FXML
+    private TextField inputField;
+    @FXML
+    private Button inputButton;
+
     private Abacus abacus;
 
     @FXML
@@ -12,4 +27,23 @@ public class AbacusController {
         abacus = new Abacus();
     }
 
+    @FXML
+    private void performCalculation(){
+        inputButton.setDisable(true);
+        TreeNode constructedTree = abacus.parseString(inputField.getText());
+        if(constructedTree == null){
+            outputText.setText(ERR_SYNTAX);
+            inputButton.setDisable(false);
+            return;
+        }
+        NumberInterface evaluatedNumber = abacus.evaluateTree(constructedTree);
+        if(constructedTree == null){
+            outputText.setText(ERR_EVAL);
+            inputButton.setDisable(false);
+            return;
+        }
+        inputButton.setDisable(false);
+        outputText.setText(evaluatedNumber.toString());
+    }
+
 }
diff --git a/src/main/resources/abacus.fxml b/src/main/resources/abacus.fxml
index 9883d94..ee4a28f 100644
--- a/src/main/resources/abacus.fxml
+++ b/src/main/resources/abacus.fxml
@@ -4,6 +4,7 @@
 <?import javafx.scene.layout.*?>
 <?import javafx.geometry.Insets?>
 
+<?import javafx.scene.text.Text?>
 <BorderPane xmlns="http://javafx.com/javafx"
             xmlns:fx="http://javafx.com/fxml"
             fx:controller="org.nwapw.abacus.fx.AbacusController">
@@ -15,9 +16,10 @@
                         <VBox>
                             <ScrollPane prefHeight="50" vbarPolicy="NEVER">
                                 <padding><Insets top="10" bottom="10" left="10" right="10"/></padding>
+                                <Text fx:id="outputText"/>
                             </ScrollPane>
-                            <TextField text="Input"/>
-                            <Button text="Calculate" maxWidth="Infinity"/>
+                            <TextField fx:id="inputField" onAction="#performCalculation"/>
+                            <Button fx:id="inputButton" text="Calculate" maxWidth="Infinity" onAction="#performCalculation"/>
                         </VBox>
                     </bottom>
                 </BorderPane>
@@ -25,5 +27,5 @@
             <Tab text="Settings" closable="false"/>
         </TabPane>
     </center>
-    
+
 </BorderPane>

From d61cc7bb9c019b1ebc6d4a08325887a30f3d4d0a Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 17:18:08 -0700
Subject: [PATCH 07/13] Format the fxml.

---
 src/main/resources/abacus.fxml | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/main/resources/abacus.fxml b/src/main/resources/abacus.fxml
index ee4a28f..7b001f2 100644
--- a/src/main/resources/abacus.fxml
+++ b/src/main/resources/abacus.fxml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.scene.control.*?>
-<?import javafx.scene.layout.*?>
 <?import javafx.geometry.Insets?>
-
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.BorderPane?>
+<?import javafx.scene.layout.VBox?>
 <?import javafx.scene.text.Text?>
 <BorderPane xmlns="http://javafx.com/javafx"
             xmlns:fx="http://javafx.com/fxml"
@@ -15,11 +15,14 @@
                     <bottom>
                         <VBox>
                             <ScrollPane prefHeight="50" vbarPolicy="NEVER">
-                                <padding><Insets top="10" bottom="10" left="10" right="10"/></padding>
+                                <padding>
+                                    <Insets top="10" bottom="10" left="10" right="10"/>
+                                </padding>
                                 <Text fx:id="outputText"/>
                             </ScrollPane>
                             <TextField fx:id="inputField" onAction="#performCalculation"/>
-                            <Button fx:id="inputButton" text="Calculate" maxWidth="Infinity" onAction="#performCalculation"/>
+                            <Button fx:id="inputButton" text="Calculate" maxWidth="Infinity"
+                                    onAction="#performCalculation"/>
                         </VBox>
                     </bottom>
                 </BorderPane>

From 61ead6753516dc1fc5e828780dbf2ee83de52470 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 17:49:57 -0700
Subject: [PATCH 08/13] Implement the history data model.

---
 .../org/nwapw/abacus/fx/AbacusController.java |  7 +++-
 .../org/nwapw/abacus/fx/HistoryModel.java     | 42 +++++++++++++++++++
 2 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/nwapw/abacus/fx/HistoryModel.java

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusController.java b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
index d21c034..c765a8e 100644
--- a/src/main/java/org/nwapw/abacus/fx/AbacusController.java
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
@@ -1,5 +1,7 @@
 package org.nwapw.abacus.fx;
 
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
 import javafx.scene.control.Button;
 import javafx.scene.control.TextField;
@@ -20,11 +22,14 @@ public class AbacusController {
     @FXML
     private Button inputButton;
 
+    private ObservableList<HistoryModel> historyData;
+
     private Abacus abacus;
 
     @FXML
     public void initialize(){
         abacus = new Abacus();
+        historyData = FXCollections.observableArrayList();
     }
 
     @FXML
@@ -37,7 +42,7 @@ public class AbacusController {
             return;
         }
         NumberInterface evaluatedNumber = abacus.evaluateTree(constructedTree);
-        if(constructedTree == null){
+        if(evaluatedNumber == null){
             outputText.setText(ERR_EVAL);
             inputButton.setDisable(false);
             return;
diff --git a/src/main/java/org/nwapw/abacus/fx/HistoryModel.java b/src/main/java/org/nwapw/abacus/fx/HistoryModel.java
new file mode 100644
index 0000000..2a267b5
--- /dev/null
+++ b/src/main/java/org/nwapw/abacus/fx/HistoryModel.java
@@ -0,0 +1,42 @@
+package org.nwapw.abacus.fx;
+
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+
+public class HistoryModel {
+
+    private final StringProperty input;
+    private final StringProperty parsed;
+    private final StringProperty output;
+
+    public HistoryModel(String input, String parsed, String output){
+        this.input = new SimpleStringProperty();
+        this.parsed = new SimpleStringProperty();
+        this.output = new SimpleStringProperty();
+        this.input.setValue(input);
+        this.parsed.setValue(parsed);
+        this.output.setValue(output);
+    }
+
+    public StringProperty inputProperty() {
+        return input;
+    }
+    public String getInput() {
+        return input.get();
+    }
+
+    public StringProperty parsedProperty() {
+        return parsed;
+    }
+    public String getParsed() {
+        return parsed.get();
+    }
+
+    public StringProperty outputProperty() {
+        return output;
+    }
+    public String getOutput() {
+        return output.get();
+    }
+
+}

From 02b87bfae4ecd26e944e56080ac046250bf42f76 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 22:29:44 -0700
Subject: [PATCH 09/13] Populate the history table.

---
 .../org/nwapw/abacus/fx/AbacusController.java | 19 ++++++++++++++++++-
 src/main/resources/abacus.fxml                |  9 +++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusController.java b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
index c765a8e..e1d141e 100644
--- a/src/main/java/org/nwapw/abacus/fx/AbacusController.java
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
@@ -4,6 +4,8 @@ import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
 import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
 import javafx.scene.control.TextField;
 import javafx.scene.text.Text;
 import org.nwapw.abacus.Abacus;
@@ -15,6 +17,14 @@ public class AbacusController {
     private static final String ERR_SYNTAX = "Syntax Error";
     private static final String ERR_EVAL = "Evaluation Error";
 
+    @FXML
+    private TableView<HistoryModel> historyTable;
+    @FXML
+    private TableColumn<HistoryModel, String> inputColumn;
+    @FXML
+    private TableColumn<HistoryModel, String> parsedColumn;
+    @FXML
+    private TableColumn<HistoryModel, String> outputColumn;
     @FXML
     private Text outputText;
     @FXML
@@ -30,6 +40,10 @@ public class AbacusController {
     public void initialize(){
         abacus = new Abacus();
         historyData = FXCollections.observableArrayList();
+        historyTable.setItems(historyData);
+        inputColumn.setCellValueFactory(cell -> cell.getValue().inputProperty());
+        parsedColumn.setCellValueFactory(cell -> cell.getValue().parsedProperty());
+        outputColumn.setCellValueFactory(cell -> cell.getValue().outputProperty());
     }
 
     @FXML
@@ -47,8 +61,11 @@ public class AbacusController {
             inputButton.setDisable(false);
             return;
         }
-        inputButton.setDisable(false);
         outputText.setText(evaluatedNumber.toString());
+        historyData.add(new HistoryModel(inputField.getText(), constructedTree.toString(), evaluatedNumber.toString()));
+
+        inputButton.setDisable(false);
+        inputField.setText("");
     }
 
 }
diff --git a/src/main/resources/abacus.fxml b/src/main/resources/abacus.fxml
index 7b001f2..c25978a 100644
--- a/src/main/resources/abacus.fxml
+++ b/src/main/resources/abacus.fxml
@@ -12,6 +12,15 @@
         <TabPane>
             <Tab text="Calculator" closable="false">
                 <BorderPane>
+                    <center>
+                        <TableView fx:id="historyTable">
+                            <columns>
+                                <TableColumn fx:id="inputColumn" text="Input" sortable="false"/>
+                                <TableColumn fx:id="parsedColumn" text="Parsed" sortable="false"/>
+                                <TableColumn fx:id="outputColumn" text="Output" sortable="false"/>
+                            </columns>
+                        </TableView>
+                    </center>
                     <bottom>
                         <VBox>
                             <ScrollPane prefHeight="50" vbarPolicy="NEVER">

From 4b57c7f67b2a2ab91b64a75cebe4ab9d4c05b17a Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 22:34:49 -0700
Subject: [PATCH 10/13] Enable cell selection to later allow for data copying.

---
 src/main/java/org/nwapw/abacus/fx/AbacusController.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusController.java b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
index e1d141e..06cbae5 100644
--- a/src/main/java/org/nwapw/abacus/fx/AbacusController.java
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
@@ -41,6 +41,7 @@ public class AbacusController {
         abacus = new Abacus();
         historyData = FXCollections.observableArrayList();
         historyTable.setItems(historyData);
+        historyTable.getSelectionModel().setCellSelectionEnabled(true);
         inputColumn.setCellValueFactory(cell -> cell.getValue().inputProperty());
         parsedColumn.setCellValueFactory(cell -> cell.getValue().parsedProperty());
         outputColumn.setCellValueFactory(cell -> cell.getValue().outputProperty());

From 942326f6f759dc8eec9e9e1bcd53cfc52a60eee4 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Mon, 31 Jul 2017 22:53:42 -0700
Subject: [PATCH 11/13] Implement a cell that copies input when clicked, and
 add it to table.

---
 .../org/nwapw/abacus/fx/AbacusController.java | 13 +++++++---
 .../org/nwapw/abacus/fx/CopyableCell.java     | 26 +++++++++++++++++++
 2 files changed, 35 insertions(+), 4 deletions(-)
 create mode 100644 src/main/java/org/nwapw/abacus/fx/CopyableCell.java

diff --git a/src/main/java/org/nwapw/abacus/fx/AbacusController.java b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
index 06cbae5..7c9d539 100644
--- a/src/main/java/org/nwapw/abacus/fx/AbacusController.java
+++ b/src/main/java/org/nwapw/abacus/fx/AbacusController.java
@@ -3,15 +3,14 @@ package org.nwapw.abacus.fx;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
-import javafx.scene.control.Button;
-import javafx.scene.control.TableColumn;
-import javafx.scene.control.TableView;
-import javafx.scene.control.TextField;
+import javafx.scene.control.*;
 import javafx.scene.text.Text;
+import javafx.util.Callback;
 import org.nwapw.abacus.Abacus;
 import org.nwapw.abacus.number.NumberInterface;
 import org.nwapw.abacus.tree.TreeNode;
 
+
 public class AbacusController {
 
     private static final String ERR_SYNTAX = "Syntax Error";
@@ -38,12 +37,18 @@ public class AbacusController {
 
     @FXML
     public void initialize(){
+        Callback<TableColumn<HistoryModel, String>, TableCell<HistoryModel, String>> cellFactory =
+                param -> new CopyableCell<>();
+
         abacus = new Abacus();
         historyData = FXCollections.observableArrayList();
         historyTable.setItems(historyData);
         historyTable.getSelectionModel().setCellSelectionEnabled(true);
+        inputColumn.setCellFactory(cellFactory);
         inputColumn.setCellValueFactory(cell -> cell.getValue().inputProperty());
+        parsedColumn.setCellFactory(cellFactory);
         parsedColumn.setCellValueFactory(cell -> cell.getValue().parsedProperty());
+        outputColumn.setCellFactory(cellFactory);
         outputColumn.setCellValueFactory(cell -> cell.getValue().outputProperty());
     }
 
diff --git a/src/main/java/org/nwapw/abacus/fx/CopyableCell.java b/src/main/java/org/nwapw/abacus/fx/CopyableCell.java
new file mode 100644
index 0000000..7755704
--- /dev/null
+++ b/src/main/java/org/nwapw/abacus/fx/CopyableCell.java
@@ -0,0 +1,26 @@
+package org.nwapw.abacus.fx;
+
+import javafx.scene.control.TableCell;
+import javafx.scene.input.MouseEvent;
+
+import java.awt.*;
+import java.awt.datatransfer.StringSelection;
+
+public class CopyableCell<S, T> extends TableCell<S, T> {
+
+    public CopyableCell(){
+        addEventFilter(MouseEvent.MOUSE_CLICKED, event -> {
+            if(event.getClickCount() == 2){
+                Toolkit.getDefaultToolkit().getSystemClipboard()
+                        .setContents(new StringSelection(getText()), null);
+            }
+        });
+    }
+
+    @Override
+    protected void updateItem(T item, boolean empty) {
+        super.updateItem(item, empty);
+        setText((empty || item == null) ? null : item.toString());
+        setGraphic(null);
+    }
+}

From 012b57b23f4c55a623c678c0a527e0c4f3951b33 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Tue, 1 Aug 2017 09:25:13 -0700
Subject: [PATCH 12/13] Resize table columns.

---
 src/main/resources/abacus.fxml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/resources/abacus.fxml b/src/main/resources/abacus.fxml
index c25978a..9a68947 100644
--- a/src/main/resources/abacus.fxml
+++ b/src/main/resources/abacus.fxml
@@ -14,6 +14,9 @@
                 <BorderPane>
                     <center>
                         <TableView fx:id="historyTable">
+                            <columnResizePolicy>
+                                <TableView fx:constant="CONSTRAINED_RESIZE_POLICY"/>
+                            </columnResizePolicy>
                             <columns>
                                 <TableColumn fx:id="inputColumn" text="Input" sortable="false"/>
                                 <TableColumn fx:id="parsedColumn" text="Parsed" sortable="false"/>

From d339385cf2f65e059b9eda306788d62233cd1536 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Tue, 1 Aug 2017 09:53:38 -0700
Subject: [PATCH 13/13] Switch to the new UI.

---
 src/main/java/org/nwapw/abacus/Abacus.java | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/src/main/java/org/nwapw/abacus/Abacus.java b/src/main/java/org/nwapw/abacus/Abacus.java
index 1ee8f8a..16738b2 100644
--- a/src/main/java/org/nwapw/abacus/Abacus.java
+++ b/src/main/java/org/nwapw/abacus/Abacus.java
@@ -1,6 +1,7 @@
 package org.nwapw.abacus;
 
 import org.nwapw.abacus.config.ConfigurationObject;
+import org.nwapw.abacus.fx.AbacusApplication;
 import org.nwapw.abacus.number.NaiveNumber;
 import org.nwapw.abacus.number.NumberInterface;
 import org.nwapw.abacus.parsing.LexerTokenizer;
@@ -11,9 +12,7 @@ import org.nwapw.abacus.plugin.PluginManager;
 import org.nwapw.abacus.plugin.StandardPlugin;
 import org.nwapw.abacus.tree.NumberReducer;
 import org.nwapw.abacus.tree.TreeNode;
-import org.nwapw.abacus.window.Window;
 
-import javax.swing.*;
 import java.io.File;
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
@@ -79,13 +78,7 @@ public class Abacus {
     }
 
     public static void main(String[] args) {
-        try {
-            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
-        } catch (ClassNotFoundException | InstantiationException | UnsupportedLookAndFeelException | IllegalAccessException e) {
-            e.printStackTrace();
-        }
-
-        new Window(new Abacus()).setVisible(true);
+        AbacusApplication.launch(AbacusApplication.class, args);
     }
 
     /**