added merge tu grid Panel

moved borders to external components
added text field for one line with select

src/Sudoku/SudokuButton.java

@@ -0,0 +1,37 @@
+package Sudoku;
+
+import guiTree.Animations.ColorAnimation;
+import guiTree.Components.ToggleButton;
+import guiTree.events.KeyAdapter;
+
+import java.awt.*;
+import java.awt.event.KeyEvent;
+
+public class SudokuButton extends ToggleButton {
+    private int number;
+    private boolean entered;
+    private boolean fixed;
+    private boolean toggle;
+
+    public SudokuButton(Boolean fixed) {
+        super();
+        this.fixed = fixed;
+        if(!fixed) {
+            addKeyListener(new SudokuKeyListener());
+        }
+    }
+
+    private class SudokuKeyListener extends KeyAdapter {
+        @Override
+        public void keyPressed(KeyEvent keyEvent) {
+            if(keyEvent.getKeyCode() >= 48 && keyEvent.getKeyCode() <= 57) {
+                setLabel(String.valueOf(keyEvent.getKeyCode() - 48));
+            }
+            else {
+                addAnimation(new ColorAnimation(SudokuButton.this, Color.RED, getBackgroundColor(), 100));
+            }
+            setPressed(false);
+            update();
+        }
+    }
+}

src/Sudoku/SudokuLayout.java

@@ -0,0 +1,28 @@
+package Sudoku;
+
+public class SudokuLayout {
+    public static String grid1 = "----3--67";
+    public static String grid2 = "-------35";
+    public static String grid3 = "---16---4";
+    public static String grid4 = "6-8-9---2";
+    public static String grid5 = "12--8--79";
+    public static String grid6 = "9---3-8-6";
+    public static String grid7 = "8---26---";
+    public static String grid8 = "69-------";
+    public static String grid9 = "35--9----";
+
+    public static String getGrid(int nr) {
+        switch(nr) {
+            case 1: return grid1;
+            case 2: return grid2;
+            case 3: return grid3;
+            case 4: return grid4;
+            case 5: return grid5;
+            case 6: return grid6;
+            case 7: return grid7;
+            case 8: return grid8;
+            case 9: return grid9;
+        }
+        return null;
+    }
+}