Add a help button

1 files changed, 10 insertions, 10 deletions

diff --git a/src/esieequest/UserInterface.java b/src/esieequest/UserInterface.java
index 949348e..0168b33 100644
--- a/src/esieequest/UserInterface.java
+++ b/src/esieequest/UserInterface.java
@@ -96,22 +96,27 @@ public class UserInterface implements ActionListener {
                 JPanel vPanel = new JPanel();
                 this.aImage = new JLabel();
 
+                JButton vButtonHelp = new JButton("?");
+                vButtonHelp.setActionCommand("help");
+
                 vPanel.setLayout(new BorderLayout());
                 vPanel.add(this.aImage, BorderLayout.NORTH);
                 vPanel.add(vListScroller, BorderLayout.CENTER);
                 vPanel.add(this.aEntryField, BorderLayout.SOUTH);
+                vPanel.add(vButtonHelp, BorderLayout.WEST);
 
                 this.aMyFrame.getContentPane().add(vPanel, BorderLayout.CENTER);
 
                 // add some event listeners to some components
+                this.aEntryField.addActionListener(this);
+                vButtonHelp.addActionListener(this);
+
                 this.aMyFrame.addWindowListener(new WindowAdapter() {
                         public void windowClosing(WindowEvent pEvent) {
                                 System.exit(0);
                         }
                 });
 
-                this.aEntryField.addActionListener(this);
-
                 this.aMyFrame.addWindowListener(new WindowAdapter() {
                         public void windowClosing(WindowEvent e) {
                                 killFrame();
@@ -127,21 +132,16 @@ public class UserInterface implements ActionListener {
          * Actionlistener interface for entry textfield.
          */
         public void actionPerformed(ActionEvent pEvent) {
-                // no need to check the type of action at the moment.
-                // there is only one possible action: text entry
-                processCommand();
+                processCommand(pEvent.getActionCommand());
         }
 
         /**
          * A command has been entered. Read the command and do whatever is necessary
          * to process it.
          */
-        private void processCommand() {
-                boolean vFinished = false;
-                String vInput = this.aEntryField.getText();
+        private void processCommand(final String pInput) {
                 this.aEntryField.setText("");
-
-                this.aEngine.interpretCommand(vInput);
+                this.aEngine.interpretCommand(pInput);
         }
 
         public void killFrame() {