change how your interact with Parser

1 files changed, 54 insertions, 0 deletions

diff --git a/GFrame.java b/GFrame.java
new file mode 100644
index 0000000..b8ef7ed
--- /dev/null
+++ b/GFrame.java
@@ -0,0 +1,54 @@
+import javax.swing.*;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.event.*;
+
+public class GFrame extends JFrame {
+    Parser p;
+
+    GFrame(String title) {
+        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");
+
+        JTextField tf = new JTextField();
+        tf.setBounds(130, 50, 220, 40);
+
+        JButton bClear = new JButton();
+        bClear.setBounds(250, 100, 100, 40);
+        bClear.setBackground(Color.decode("#F78361"));
+        bClear.setText("Clear");
+
+        this.add(b);
+        this.add(bClear);
+        this.add(tf);
+        this.setSize(400, 500);
+        this.setLayout(null);
+        this.setVisible(true);
+
+        JLabel label = new JLabel("Enter Expression: ");
+        label.setBounds(130, 20, 150, 40);
+        this.add(label);
+
+        b.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                if (tf.getText().length() != 0) {
+                    p = new Parser(tf.getText());
+                    tf.setText(Double.toString(p.eval()));
+                } else {
+                    tf.setText("No input");
+                }
+            }
+        });
+
+        bClear.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent e) {
+                tf.setText("");
+            }
+        });
+    }
+}