From 05d0755526166245edad216c14b8774f79ee588d 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] 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);
+    }
+}