From 8dcb29d701e076c63bbb43eb266621c91f79e03f Mon Sep 17 00:00:00 2001
From: beratkocak <beratkocak@mobile-233-078.wlan.uni-mannheim.de>
Date: Fri, 20 Dec 2024 14:04:03 +0100
Subject: [PATCH] added backonestep method to retract steps from user and
 repaint panel

---
 .../informatik/pr2projekt/gui/GameGUI.java    | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/PR2Projekt/src/de/hs_mannheim/informatik/pr2projekt/gui/GameGUI.java b/PR2Projekt/src/de/hs_mannheim/informatik/pr2projekt/gui/GameGUI.java
index 59cc330..03d5170 100644
--- a/PR2Projekt/src/de/hs_mannheim/informatik/pr2projekt/gui/GameGUI.java
+++ b/PR2Projekt/src/de/hs_mannheim/informatik/pr2projekt/gui/GameGUI.java
@@ -108,6 +108,63 @@ public class GameGUI {
             madeMoves.push(logEntrance);
         }
         
+        public static void backOneStep(Stack<String> movesMade, JButton[][] buttons, String[][] colors, JPanel grid){
+            try {
+                String move = movesMade.pop();
+                String[] line = move.split("\\.");
+                String y = line[0];
+                String x = line[1];
+                String color = line[2];
+                if(color.equals("W")){
+                    int i = Integer.parseInt(y);
+                    int j = Integer.parseInt(x);
+                    JButton b0 = buttons[i][j];
+                    b0.setOpaque(true);
+                    b0.setForeground(Color.WHITE);
+                    b0.setContentAreaFilled(true);
+                    b0.setBorderPainted(false);
+                    b0.setFocusPainted(false);
+                    b0.setBackground(Color.BLACK);
+                    buttons[i][j] = b0;
+                    String str = colors[i][j]; 
+                    String str0 = str.substring(0, str.length() - 1);
+                    colors[i][j] = str0;
+                    grid.repaint();
+                    gridUpdate(grid, buttons);
+                }else if(color.equals("G")){
+                    int i = Integer.parseInt(y);
+                    int j = Integer.parseInt(x);
+                    JButton b0 = buttons[i][j];
+                    b0.setOpaque(true);
+                    b0.setForeground(Color.BLACK);
+                    b0.setContentAreaFilled(true);
+                    b0.setBorderPainted(false);
+                    b0.setFocusPainted(false);
+                    b0.setBackground(Color.WHITE);
+                    buttons[i][j] = b0;
+                    String str = colors[i][j]; 
+                    String str0 = str.substring(0, str.length() - 1);
+                    colors[i][j] = str0;
+                    gridUpdate(grid, buttons);
+                } else if(color.equals("B")){
+                    int i = Integer.parseInt(y);
+                    int j = Integer.parseInt(x);
+                    JButton b0 = buttons[i][j];
+                    b0.setOpaque(true);
+                    b0.setForeground(Color.BLACK);
+                    b0.setContentAreaFilled(true);
+                    b0.setBorderPainted(false);
+                    b0.setFocusPainted(false);
+                    b0.setBackground(Color.lightGray);
+                    buttons[i][j] = b0;
+                    String str = colors[i][j]; 
+                    String str0 = str.substring(0, str.length() - 1);
+                    colors[i][j] = str0;
+                    gridUpdate(grid, buttons);
+                } 
+            } catch(EmptyStackException e) {}  
+        }
+        
         public static void gridUpdate(JPanel grid, JButton[][] buttons){
             grid.removeAll();
             grid.repaint();