- added plate container

- changed approach of plate

src/de/itsblue/ConnectFour/ConnectFour.java

@@ -19,8 +19,8 @@
 package de.itsblue.ConnectFour;
 
 
-import java.awt.Dimension;
+import java.awt.*;
-import javax.swing.JFrame;
+import javax.swing.*;
 
 import de.itsblue.ConnectFour.GameBoard;
 import de.itsblue.ConnectFour.Plate.PlateType;
@@ -47,11 +47,17 @@ public class ConnectFour extends JFrame {
         
         this.setPreferredSize(new Dimension(600, 600));
 
+        this.getContentPane().setLayout(new GridBagLayout());
+
         GameBoard board = new GameBoard();
-        board.setPreferredSize(new Dimension(600,600));
+        //board.setPreferredSize(new Dimension(600,600));
         this.add(board);
 
-        board.insertPlate(new Plate(PlateType.O), 0);
+        for(int i = 0; i < 7; i++) {
+            board.insertPlate(new Plate(PlateType.X), i);
+        }
+
+        board.insertPlate(new Plate(PlateType.O), 1);
         
         // finish up
         this.pack();
@@ -60,7 +66,5 @@ public class ConnectFour extends JFrame {
 
     public static void main(final String[] args) {
         System.out.println(new ConnectFour());
-       
-
     }
 }

src/de/itsblue/ConnectFour/GameBoard.java

@@ -21,7 +21,6 @@ package de.itsblue.ConnectFour;
 import javax.swing.*;
 import java.awt.*;
 
-
 public class GameBoard extends JPanel {
 
     /**
@@ -29,21 +28,49 @@ public class GameBoard extends JPanel {
      */
     private static final long serialVersionUID = 1L;
 
-    public int BoardRows = 6;
+    private boolean isInited = false;
-    public int BoardColumns = 7;
-    JPanel[][] BoardContainers = new JPanel[BoardColumns][BoardRows];
 
+    /**
+     * The rows of the board
+     */
+    public int BoardRows = 6;
+
+    /**
+     * The columns of the board
+     */
+    public int BoardColumns = 7;
+
+    /**
+     * Array containing all plate containers
+     */
+    PlateContainer[][] BoardContainers = new PlateContainer[BoardColumns][BoardRows];
+
+    /**
+     * Constructor
+     */
+    GameBoard() {
+        this.setPreferredSize(new Dimension(this.BoardColumns * 50, this.BoardRows * 50));
+        this.initBoard();
+    }
+
+    /**
+     * Function to insert a plate into a specific column
+     * 
+     * @param plate  Plate object to insert
+     * @param column The column to insert the plate into
+     * @return true if the inserton was successfull, false if the column is full
+     */
     public boolean insertPlate(Plate plate, int column) {
 
         // check if the column is out of range
-        if(column > BoardColumns-1)
+        if (column > BoardColumns - 1)
             return false;
-        
+
         // search for an empty row
-        for(int i = BoardRows-1; i >= 0; i--) {
+        for (int i = BoardRows - 1; i >= 0; i--) {
-            if(this.BoardContainers[column][i].getComponents().length == 0) {
+            if (!this.BoardContainers[column][i].containsPlate()) {
                 // if the container is empty -> add the plate
-                this.BoardContainers[column][i].add(plate);
+                this.BoardContainers[column][i].insertPlate(plate);
                 return true;
             }
         }
@@ -51,68 +78,85 @@ public class GameBoard extends JPanel {
         return false;
     }
 
-    public void initBoard() {
+    /**
+     * Function to clear the board
+     */
+    public void clearBoard() {
+        // search for an empty row
+        for (int c = 0; c < BoardColumns; c++) {
+            for (int r = 0; r < BoardRows; r++) {
+                // create the container
+                this.BoardContainers[c][r].removePlate();
+            }
+        }
+    }
 
+    /**
+     * Function to fill the board with containers
+     */
+    public void initBoard() {
         // configure the main layout
-        this.setLayout(new GridLayout(this.BoardColumns,this.BoardRows+1));
+        this.setLayout(new GridLayout(this.BoardRows, this.BoardColumns));
 
         // fill the grid with containers
         for (int i = 0; i < BoardRows; i++) {
             for (int j = 0; j < BoardColumns; j++) {
                 // create the container
-                this.BoardContainers[j][i] = new JPanel(new GridBagLayout());
+                this.BoardContainers[j][i] = new PlateContainer();
-                this.BoardContainers[j][i].setPreferredSize(new Dimension(20, 20));
 
                 // add the container
                 this.add(this.BoardContainers[j][i]);
             }
         }
+
+        this.isInited = true;
     }
+    
+    @Override
+    public void paint(Graphics g) {
 
+        System.out.println("updating sizes");
+        int containerSize;
 
-    /*void winningCondition() {
+        if (this.getSize().getWidth() / this.BoardColumns > this.getSize().getHeight() / this.BoardRows)
-        for (int i = 0; i <= 2; i++)
+            containerSize = (int) this.getSize().getHeight() / this.BoardRows;
-            for (int j = 0; j <= 6; j++) {
-                if (GameBoard[i][j] == p && GameBoard[i + 1][j] == p && GameBoard[i + 2][j] == p
-                        && GameBoard[i + 3][j] == p) {
-                    finish = true;
-                }
-            }
-        for (int i = 0; i <= 5; i++)
-            for (int j = 0; j <= 3; j++) {
-                if (GameBoard[i][j] == p && GameBoard[i][j + 1] == p && GameBoard[i][j + 2] == p
-                        && GameBoard[i][j + 3] == p)
-                    finish = true;
-            }
-
-        for (int i = 0; i <= 2; i++)
-            for (int j = 0; j <= 3; j++) {
-                if (GameBoard[i][j] == p && GameBoard[i + 1][j + 1] == p && GameBoard[i + 2][j + 2] == p
-                        && GameBoard[i + 3][j + 3] == p)
-                    finish = true;
-            }
-
-        for (int i = 0; i < 3; i++)
-            for (int j = 6; j > 2; j--) {
-                if (GameBoard[i][j] == p && GameBoard[i + 1][j - 1] == p && GameBoard[i + 2][j - 2] == p
-                        && GameBoard[i + 3][j - 3] == p)
-                    finish = true;
-            }
-            
-    }*/
-
-
-
-     /*void switchPlayer() {
-        if (p != 1)
-            p = 1;
         else
-            p = 1;
+            containerSize = (int) this.getSize().getWidth() / this.BoardColumns;
-    }*/
 
-    GameBoard() {
+        containerSize = 30;
-        this.initBoard();
 
+        System.out.println(containerSize);
+        System.out.println(this.getSize());
+
+        for (PlateContainer[] plateContainers : BoardContainers) {
+            for (PlateContainer plateContainer : plateContainers) {
+                //plateContainer.setPreferredSize(new Dimension(containerSize, containerSize));
+            }
+        }
+
+        super.paint(g);
     }
 
+    /*
+     * void winningCondition() { for (int i = 0; i <= 2; i++) for (int j = 0; j <=
+     * 6; j++) { if (GameBoard[i][j] == p && GameBoard[i + 1][j] == p && GameBoard[i
+     * + 2][j] == p && GameBoard[i + 3][j] == p) { finish = true; } } for (int i =
+     * 0; i <= 5; i++) for (int j = 0; j <= 3; j++) { if (GameBoard[i][j] == p &&
+     * GameBoard[i][j + 1] == p && GameBoard[i][j + 2] == p && GameBoard[i][j + 3]
+     * == p) finish = true; }
+     * 
+     * for (int i = 0; i <= 2; i++) for (int j = 0; j <= 3; j++) { if
+     * (GameBoard[i][j] == p && GameBoard[i + 1][j + 1] == p && GameBoard[i + 2][j +
+     * 2] == p && GameBoard[i + 3][j + 3] == p) finish = true; }
+     * 
+     * for (int i = 0; i < 3; i++) for (int j = 6; j > 2; j--) { if (GameBoard[i][j]
+     * == p && GameBoard[i + 1][j - 1] == p && GameBoard[i + 2][j - 2] == p &&
+     * GameBoard[i + 3][j - 3] == p) finish = true; }
+     * 
+     * }
+     */
+
+    /*
+     * void switchPlayer() { if (p != 1) p = 1; else p = 1; }
+     */
 }

src/de/itsblue/ConnectFour/Plate.java

@@ -18,38 +18,50 @@
 
 package de.itsblue.ConnectFour;
 
-import javax.swing.JPanel;
+import javax.swing.*;
 
-import java.awt.Color;
+import java.awt.*;
-import java.awt.Dimension;
 
-public class Plate extends JPanel {
+public class Plate {
 
     /**
      *
      */
     private static final long serialVersionUID = 1L;
 
+    /**
+     * Enum containing all plate types
+     */
     enum PlateType {
         X, O
     }
 
+    /**
+     * The tpe of the plate object
+     */
     private PlateType type;
 
+    /**
+     * Constructor
+     * @param type type of the plate
+     */
     Plate(PlateType type) {
         this.setType(type);
-
-        this.setPreferredSize(new Dimension(20, 20));
-        
-        this.setBackground(this.type == PlateType.X ? Color.RED:Color.BLACK);
-
     }
 
-
+    /**
+     * Function to get the type of the plate
+     * @return PlateType
+     */
 	public PlateType getType() {
-        return type;
+        return this.type;
     }
 
+    /**
+     * Function to change the type of the plate
+     * 
+     * @param type the type to set the plate to
+     */
     private void setType(PlateType type) {
         this.type = type;
     }

src/de/itsblue/ConnectFour/PlateContainer.java

@@ -0,0 +1,113 @@
+/*
+    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.JPanel;
+
+import de.itsblue.ConnectFour.Plate.PlateType;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class PlateContainer extends JPanel {
+
+    /**
+     *
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * holds the current contained plate object
+     */
+    private Plate containedPlate = null;
+
+    /**
+     * Constructor
+     */
+    PlateContainer() {
+    }
+
+    /**
+     * Function to insert a plate into the container
+     * 
+     * @param plate the plate object to insert
+     * @return true if inserted, false if container is alread occupied
+     */
+    public boolean insertPlate(Plate plate) {
+        if (this.containsPlate())
+            return false;
+
+        System.out.println("adding plate " + plate);
+
+        this.containedPlate = plate;
+
+        return true;
+    }
+
+    /**
+     * Function to get the contained plate
+     * 
+     * @return null or the contained plate
+     */
+    public Plate getContainedPlate() {
+        return this.containedPlate;
+    }
+
+    /**
+     * Function to check if the container is occupied
+     * 
+     * @return true if occupied, false if not
+     */
+    public boolean containsPlate() {
+        if (this.containedPlate != null)
+            return true;
+        else
+            return false;
+    }
+
+    /**
+     * Function to clear the container
+     * 
+     * @return if it was occupied: contained plate, else: null
+     */
+    public Plate removePlate() {
+        if (!this.containsPlate())
+            return null;
+
+        this.remove(this.getComponents()[0]);
+        Plate ret = this.containedPlate;
+        this.containedPlate = null;
+
+        return ret;
+    }
+
+    @Override
+    public void paint(Graphics g) {
+        g.setColor(Color.lightGray);
+        g.fillRect(0, 0, this.getWidth(), this.getHeight());
+
+        if (this.containsPlate()) {
+            g.setColor(this.containedPlate.getType() == PlateType.X ? Color.RED : Color.BLACK);
+        } else
+            g.setColor(Color.white);
+
+        g.fillOval((int) (this.getWidth() * 0.1), (int) (this.getHeight() * 0.1), (int) (this.getWidth() * 0.8),
+                (int) (this.getHeight() * 0.8));
+    }
+}