GUI: progress

GFrame.java

@@ -1,54 +1,169 @@
+import java.util.Vector;
 import javax.swing.*;
 import java.awt.Color;
 import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.Insets;
 import java.awt.event.*;
 
 public class GFrame extends JFrame {
     Parser p;
+    JTextField tf;
+
+    private JButton newButton(String text, int d1, int d2, int d3, int d4) {
+        JButton b = new JButton();
+        // b.setBackground(Color.decode("#F78361"));
+        b.setBackground(Color.decode("#2B2B2B"));
+        b.setForeground(Color.decode("#e5e5e5"));
+        b.setFont((new Font("Times New Roman", Font.PLAIN, 20)));
+        b.setBounds(d1, d2, d3, d4);
+        b.setText(text);
+        return b;
+    }
+
+    private void actionAdderForTextField(JButton b, String val) {
+        b.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                tf.setText(tf.getText() + val);
+            }
+        });
+
+    }
 
     GFrame(String title) {
+        History history = new History();
         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         this.setTitle(title);
-        this.getContentPane().setBackground(Color.decode("#4E586e"));
-        JButton b = new JButton();
-        b.setBounds(130, 100, 100, 40);
-        b.setBackground(Color.decode("#F78361"));
-        b.setText("Evaluate");
+        this.getContentPane().setBackground(Color.decode("#111111"));
+        this.setResizable(false);
 
-        JTextField tf = new JTextField();
-        tf.setBounds(130, 50, 220, 40);
+        // Text Field
+        tf = new JTextField();
+        tf.setBackground(Color.decode("#2B2B2B"));
+        tf.setForeground(Color.decode("#e5e5e5"));
+        tf.setMargin(new Insets(0, 10, 0, 10));
+        tf.setBounds(40, 50, 310, 40);
+        tf.setFont((new Font("Times New Roman", Font.PLAIN, 20)));
 
-        JButton bClear = new JButton();
-        bClear.setBounds(250, 100, 100, 40);
-        bClear.setBackground(Color.decode("#F78361"));
-        bClear.setText("Clear");
+        // History Text Field
+        JTextField tHist = new JTextField();
+        tHist.setBounds(100, 10, 310, 40);
+        tHist.setEditable(false);
 
-        this.add(b);
+        // Buttons
+        JButton bEval = newButton("=", 250, 100, 100, 40);
+        JButton bClear = newButton("CL", 180, 100, 60, 40);
+        JButton bAdd = newButton("+", 250, 300, 100, 40);
+        JButton bSub = newButton("-", 250, 250, 100, 40);
+        JButton bMul = newButton("X", 250, 200, 100, 40);
+        JButton bDiv = newButton("%", 250, 150, 100, 40);
+        JButton bCut = newButton("<x", 180, 300, 60, 40);
+        JButton bRightPar = newButton(")", 110, 100, 60, 40);
+        JButton bLeftPar = newButton("(", 40, 100, 60, 40);
+        JButton bDoubleZero = newButton("00", 40, 300, 60, 40);
+        JButton bZero = newButton("0", 110, 300, 60, 40);
+        JButton bOne = newButton("1", 40, 250, 60, 40);
+        JButton bTwo = newButton("2", 110, 250, 60, 40);
+        JButton bThree = newButton("3", 180, 250, 60, 40);
+        JButton bFour = newButton("4", 40, 200, 60, 40);
+        JButton bFive = newButton("5", 110, 200, 60, 40);
+        JButton bSix = newButton("6", 180, 200, 60, 40);
+        JButton bSeven = newButton("7", 40, 150, 60, 40);
+        JButton bEight = newButton("8", 110, 150, 60, 40);
+        JButton bNine = newButton("9", 180, 150, 60, 40);
+
+        // Add the buttons to the Frame
+        this.add(bEval);
         this.add(bClear);
+        this.add(bAdd);
+        this.add(bSub);
+        this.add(bMul);
+        this.add(bDiv);
+        this.add(bCut);
+        this.add(bRightPar);
+        this.add(bLeftPar);
+        this.add(bDoubleZero);
+        this.add(bZero);
+        this.add(bOne);
+        this.add(bTwo);
+        this.add(bThree);
+        this.add(bFour);
+        this.add(bFive);
+        this.add(bSix);
+        this.add(bSeven);
+        this.add(bEight);
+        this.add(bNine);
         this.add(tf);
-        this.setSize(400, 500);
+        // this.add(tHist);
+        this.setSize(400, 400);
         this.setLayout(null);
         this.setVisible(true);
 
         JLabel label = new JLabel("Enter Expression: ");
-        label.setBounds(130, 20, 150, 40);
+        label.setFont((new Font("Times New Roman", Font.PLAIN, 20)));
+        label.setBounds(40, 20, 150, 40);
+        label.setForeground(Color.decode("#e5e5e5"));
         this.add(label);
 
-        b.addActionListener(new ActionListener() {
+        // ActionsListeners
+        bEval.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 if (tf.getText().length() != 0) {
                     p = new Parser(tf.getText());
                     tf.setText(Double.toString(p.eval()));
+
+                    // Save to history
+                    history.addHistory(tf.getText());
+
+                    tHist.setText("");
+                    Vector<String> s = history.getHistory();
+                    for (int i = 0; i < s.size(); i++) {
+                        System.out.println(s.get(i));
+                        tHist.setText(new String(s.get(i).concat(tHist.getText())).concat("\n"));
+                    }
+
                 } else {
                     tf.setText("No input");
                 }
             }
         });
 
+        // Common actions that just appends the symbols to the text field
+        actionAdderForTextField(bAdd, "+");
+        actionAdderForTextField(bSub, "-");
+        actionAdderForTextField(bMul, "*");
+        actionAdderForTextField(bDiv, "/");
+        actionAdderForTextField(bRightPar, ")");
+        actionAdderForTextField(bLeftPar, "(");
+        actionAdderForTextField(bDoubleZero, "00");
+        actionAdderForTextField(bZero, "0");
+        actionAdderForTextField(bOne, "1");
+        actionAdderForTextField(bTwo, "2");
+        actionAdderForTextField(bThree, "3");
+        actionAdderForTextField(bFour, "4");
+        actionAdderForTextField(bFive, "5");
+        actionAdderForTextField(bSix, "6");
+        actionAdderForTextField(bSeven, "7");
+        actionAdderForTextField(bEight, "8");
+        actionAdderForTextField(bNine, "9");
+
         bClear.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
                 tf.setText("");
             }
         });
+
+        bCut.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                String text = tf.getText();
+                tf.setText(text.substring(0, text.length() - 1));
+            }
+        });
+
+        // bOne.addActionListener(new ActionListener() {
+        // public void actionPerformed(ActionEvent e) {
+        // tf.setText(tf.getText() + "1");
+        // }
+        // });
     }
 }

History.java

@@ -0,0 +1,16 @@
+import java.util.Vector;
+
+public class History {
+    private Vector<String> hist;
+
+    History() {
+        hist = new Vector<String>();
+    }
+
+    public void addHistory(String h) {
+        hist.add(h);
+    }
+    public Vector<String> getHistory() {
+        return hist;
+    }
+}