- created a custom button for usage in the ButtonRow

src/de/itsblue/ConnectFour/PlateInsertButton.java

@@ -0,0 +1,57 @@
+/*
+    Connect four - written in java
+    Copyright (C) 2020 Oliver Schappacher and Dorian Zedler
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package de.itsblue.ConnectFour;
+
+import javax.swing.*;
+
+/**
+ * PlateInsertButton is a class mean for use with
+ * de.itsblue.ConnectFour.ButtonRow. It is a simple button with the extra
+ * property "index" which is used to store its index in the button row.
+ * 
+ * @author Dorian Zedler
+ */
+class PlateInsertButton extends JButton {
+
+    /**
+     *
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * The index of the button in a ButtonRow
+     */
+    private int index;
+
+    /**
+     * Constructor
+     * 
+     * @param index The index of the button in the ButtonRow
+     */
+    PlateInsertButton(int index) {
+        this.index = index;
+    }
+
+    /**
+     * Function to get the index of the button
+     */
+    public int getIndex() {
+        return index;
+    }
+}