Functionalities Improved

src/fr/asyfero/gui/gui.java

@@ -1,48 +1,13 @@
+// Import package
 package fr.asyfero.gui;
 
-// import all dependencies
-import javax.swing.*;
-import java.awt.*;
+// Import class
+import fr.asyfero.gui.utilities.app;
 
 public class gui {
     public static void main(String[] args){
-        // Create the gui/app
-        JFrame frame = new JFrame("App");
-        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        frame.setSize(300, 300);
-
-        // Show message when the app start
-        JOptionPane.showMessageDialog(frame, "Welcome!\nThis is a basic app made in java!\n\nMade by Asyfero\n\nThe project is on Github:\nhttps://github.com/Asyfero/Java-gui", "App Start Message", JOptionPane.PLAIN_MESSAGE);
-
-        // Create menu bar up of app
-        JMenuBar menuBar = new JMenuBar();
-        JMenu m1 = new JMenu("File");
-        JMenu m2 = new JMenu("Edit");
-        JMenu m3 = new JMenu("Help");
-        menuBar.add(m1);
-        menuBar.add(m2);
-        menuBar.add(m3);
-
-        // Make options for 'File' button
-        JMenuItem m11 = new JMenuItem("Open");
-        JMenuItem m12 = new JMenuItem("Save");
-        JMenuItem m13 = new JMenuItem("Save As");
-        m1.add(m11);
-        m1.add(m12);
-        m1.add(m13);
-
-        // Make options for 'Edit' button
-        JMenuItem m21 = new JMenuItem("Rename");
-        JMenuItem m22 = new JMenuItem("Delete");
-        m2.add(m21);
-        m2.add(m22);
-
-        // Make options for 'Help' button
-        JMenuItem m31 = new JMenuItem("Welcome Message");
-        m3.add(m31);
-
-        // Set visible all content
-        frame.getContentPane().add(BorderLayout.NORTH, menuBar);
-        frame.setVisible(true);
+        // Start the app using start method
+        app a = new app();
+        a.start();
     }
 }

src/fr/asyfero/gui/utilities/app.java

@@ -0,0 +1,134 @@
+package fr.asyfero.gui.utilities;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.*;
+
+public class app extends JFrame implements ActionListener {
+    JTextArea t;
+    JFrame frame;
+
+    public void start() {
+        // Create the gui/app
+        frame = new JFrame("App");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(300, 300);
+
+        // Create Text Area
+        t = new JTextArea();
+
+        // Show message when the app start
+        JOptionPane.showMessageDialog(frame, "Welcome!\nThis is a basic app made in java!\n\nMade by Asyfero\n\nThe project is on Github:\nhttps://github.com/Asyfero/Java-gui", "App Start Message", JOptionPane.PLAIN_MESSAGE);
+
+        // Create menu bar up of app
+        JMenuBar menuBar = new JMenuBar();
+        JMenu m1 = new JMenu("File");
+        JMenu m3 = new JMenu("Help");
+        menuBar.add(m1);
+        menuBar.add(m3);
+
+        // Make options for 'File' button
+        JMenuItem m11 = new JMenuItem("New");
+        JMenuItem m12 = new JMenuItem("Close");
+        JMenuItem m13 = new JMenuItem("Open");
+        JMenuItem m14 = new JMenuItem("Save");
+        m1.add(m11);
+        m1.add(m12);
+        m1.add(m13);
+        m1.add(m14);
+
+        // Make options for 'Help' button
+        JMenuItem m31 = new JMenuItem("Welcome Message");
+        m3.add(m31);
+
+        // Add Action Listener
+        m11.addActionListener(this);
+        m12.addActionListener(this);
+        m13.addActionListener(this);
+        m14.addActionListener(this);
+
+        m31.addActionListener(this);
+
+        // Set visible all content
+        frame.getContentPane().add(BorderLayout.NORTH, menuBar);
+        frame.add(t);
+        frame.setVisible(true);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        String s = e.getActionCommand();
+
+        switch (s) {
+            case "New":
+                t.setText("");
+                t.setVisible(true);
+                break;
+            case "Close":
+                t.setVisible(false);
+                break;
+            case "Print":
+                try {
+                    t.print();
+                }catch (Exception evt) {
+                    JOptionPane.showMessageDialog(frame, evt.getMessage());
+                }
+                break;
+            case "Open": {
+                JFileChooser file = new JFileChooser("f:");
+
+                int r = file.showOpenDialog(null);
+
+                if (r == JFileChooser.APPROVE_OPTION) {
+                    File fi = new File(file.getSelectedFile().getAbsolutePath());
+
+                    try {
+                        String s1 = "", sl = "";
+
+                        FileReader fr = new FileReader(fi);
+
+                        BufferedReader br = new BufferedReader(fr);
+
+                        sl = br.readLine();
+
+                        while ((s1 = br.readLine()) != null) {
+                            sl = sl + "\n" + s1;
+                        }
+                        t.setText(sl);
+                    } catch (Exception evt) {
+                        JOptionPane.showMessageDialog(frame, evt.getMessage());
+                    }
+                }
+                break;
+            }
+            case "Save": {
+                JFileChooser file = new JFileChooser("f:");
+
+                int r = file.showSaveDialog(null);
+
+                if (r == JFileChooser.APPROVE_OPTION) {
+                    File fi = new File(file.getSelectedFile().getAbsolutePath());
+
+                    try {
+                        FileWriter wr = new FileWriter(fi, false);
+
+                        BufferedWriter bw = new BufferedWriter(wr);
+
+                        bw.write(t.getText());
+
+                        bw.flush();
+                        bw.close();
+                    } catch (Exception evt) {
+                        JOptionPane.showMessageDialog(frame, evt.getMessage());
+                    }
+                }
+                break;
+            }
+            case "Welcome Message":
+                JOptionPane.showMessageDialog(frame, "Welcome!\nThis is a basic app made in java!\n\nMade by Asyfero\n\nThe project is on Github:\nhttps://github.com/Asyfero/Java-gui", "App Start Message", JOptionPane.PLAIN_MESSAGE);
+                break;
+        }
+    }
+}