From 7064e58e7d9157a272a23f2f657a3d2447fc4434 Mon Sep 17 00:00:00 2001
From: Moein Alemi nia <moien.alemi.nia@gmail.com>
Date: Thu, 24 Apr 2025 23:40:35 +0330
Subject: [PATCH] update file manager class

---
 src/editor/FileManager.java | 54 ++++++++++++++++++++++++++++++++-----
 1 file changed, 48 insertions(+), 6 deletions(-)

diff --git a/src/editor/FileManager.java b/src/editor/FileManager.java
index ee77200..53bd932 100644
--- a/src/editor/FileManager.java
+++ b/src/editor/FileManager.java
@@ -1,13 +1,31 @@
 package editor;
 
 import javax.swing.*;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.util.Scanner;
 
 public class FileManager {
-    public static void openFile(TextEditor textEditor, JTextArea textArea) {
+    private static int number = 10000;
+
+    public static void openFile(TextEditor textEditor, JTextArea textArea){
+        textArea.setText("");
         JFileChooser fileChooser = new JFileChooser();
         if (fileChooser.showOpenDialog(textEditor) == JFileChooser.APPROVE_OPTION) {
-            //File file = fileChooser.getSelectedFile();
-            //TODO
+            File file = fileChooser.getSelectedFile();
+            textEditor.currentFile = file;
+            try {
+                Scanner scanner = new Scanner(textEditor.currentFile);
+                String line;
+                while ((line = scanner.nextLine()) != null){
+                    textArea.append(line + "\n");
+                }
+                scanner.close();
+            } catch (FileNotFoundException e) {
+                e.getStackTrace();
+            }
         }
     }
 
@@ -15,15 +33,39 @@ public static void saveFile(TextEditor textEditor, JTextArea textArea) {
         if (textEditor.currentFile == null){
             JFileChooser fileChooser = new JFileChooser();
             if (fileChooser.showSaveDialog(textEditor) == JFileChooser.APPROVE_OPTION) {
-                //TODO
+                try {
+                    PrintStream printStream = new PrintStream(fileChooser.getSelectedFile());
+                    printStream.print(textArea.getText());
+                    printStream.close();
+                } catch (FileNotFoundException e) {
+                    e.getStackTrace();
+                }
             }
         }
         else{
-            //TODO
+            try {
+                PrintStream printStream = new PrintStream(textEditor.currentFile);
+                printStream.print(textArea.getText());
+                printStream.close();
+            } catch (FileNotFoundException e) {
+                e.getStackTrace();
+            }
         }
     }
 
     public static void newFile(TextEditor textEditor, JTextArea textArea) {
-        //TODO
+        File file = new File("newfile" + number + ".txt");
+        number++;
+        try {
+            if(file.createNewFile()){
+                textEditor.currentFile = file;
+                System.out.println("file created: " + file.getName());
+                textArea.setText("");
+            }else{
+                System.out.println("file already exists.");
+            }
+        } catch (IOException e) {
+            e.getStackTrace();
+        }
     }
 }