Add key binding

2 files changed, 112 insertions, 11 deletions

diff --git a/src/esieequest/view/app/UserInterface.java b/src/esieequest/view/app/UserInterface.java
index 90a99c2..d544c9a 100644
--- a/src/esieequest/view/app/UserInterface.java
+++ b/src/esieequest/view/app/UserInterface.java
@@ -8,18 +8,28 @@ import java.awt.GridLayout;
 import java.awt.Image;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.awt.event.FocusEvent;
+import java.awt.event.FocusListener;
+import java.awt.event.KeyEvent;
 import java.awt.image.BufferedImage;
 import java.net.URL;
+import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Map.Entry;
 import java.util.Set;
 
+import javax.swing.AbstractAction;
 import javax.swing.JButton;
+import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JTextField;
 import javax.swing.JTextPane;
+import javax.swing.KeyStroke;
 import javax.swing.border.EmptyBorder;
 
+import lombok.Getter;
+
 import com.wordpress.tipsforjava.swing.StretchIcon;
 
 import esieequest.controller.GameEngine;
@@ -46,6 +56,7 @@ abstract class UserInterface implements Viewable, ActionListener {
 
         private GameEngine gameEngine;
 
+        @Getter
         private JPanel layout;
 
         private JTextPane questTextPane;
@@ -96,6 +107,8 @@ abstract class UserInterface implements Viewable, ActionListener {
 
                 this.buildUI();
                 this.setActionListener(this);
+                this.bindKeys();
+                this.bindFocus();
                 this.setControlsState(false);
         }
 
@@ -253,15 +266,6 @@ abstract class UserInterface implements Viewable, ActionListener {
         }
 
         /**
-         * Returns the layout.
-         * 
-         * @return the layout
-         */
-        public JPanel getLayout() {
-                return this.layout;
-        }
-
-        /**
          * Sets the action listener for the given JButtons.
          * 
          * @param buttons
@@ -281,13 +285,79 @@ abstract class UserInterface implements Viewable, ActionListener {
          * @param actionListener
          *            the action listener
          */
-        public void setActionListener(final ActionListener actionListener) {
+        private void setActionListener(final ActionListener actionListener) {
                 this.inputField.addActionListener(actionListener);
                 this.setActionListener(this.gameButtons, actionListener);
                 this.setActionListener(this.controlButtons, actionListener);
         }
 
         /**
+         * Binds keys to corresponding buttons.
+         */
+        private void bindKeys() {
+
+                final HashMap<Integer, JButton> keys = new HashMap<>();
+                keys.put(KeyEvent.VK_LEFT, this.leftButton);
+                keys.put(KeyEvent.VK_RIGHT, this.rightButton);
+                keys.put(KeyEvent.VK_UP, this.forwardButton);
+                keys.put(KeyEvent.VK_DOWN, this.backButton);
+                keys.put(KeyEvent.VK_HOME, this.inventoryButton);
+                keys.put(KeyEvent.VK_PAGE_UP, this.actionButton);
+
+                for (final Entry<Integer, JButton> entry : keys.entrySet()) {
+                        final int key = entry.getKey();
+                        final JButton button = entry.getValue();
+
+                        this.layout.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(
+                                        KeyStroke.getKeyStroke(key, 0), key);
+
+                        this.layout.getActionMap().put(key, new AbstractAction() {
+
+                                private static final long serialVersionUID = 1L;
+
+                                @Override
+                                public void actionPerformed(final ActionEvent actionEvent) {
+                                        button.doClick();
+                                }
+
+                        });
+                }
+
+        }
+
+        /**
+         * Binds focus catching components to delegate key strokes to the main
+         * window.
+         */
+        public void bindFocus() {
+                final FocusListener focusLossDelegator = new FocusListener() {
+                        @Override
+                        public void focusGained(final FocusEvent focusEvent) {
+                        }
+
+                        @Override
+                        public void focusLost(final FocusEvent focusEvent) {
+                                UserInterface.this.layout.requestFocus();
+                        }
+                };
+
+                final FocusListener focusGainDelegator = new FocusListener() {
+                        @Override
+                        public void focusGained(final FocusEvent focusEvent) {
+                                UserInterface.this.layout.requestFocus();
+                        }
+
+                        @Override
+                        public void focusLost(final FocusEvent focusEvent) {
+                        }
+                };
+
+                this.inputField.addFocusListener(focusLossDelegator);
+                this.infoTextPane.addFocusListener(focusGainDelegator);
+                this.questTextPane.addFocusListener(focusGainDelegator);
+        }
+
+        /**
          * Clears the textual input field.
          */
         private void clearInputField() {
@@ -385,6 +455,7 @@ abstract class UserInterface implements Viewable, ActionListener {
          */
         @Override
         public void actionPerformed(final ActionEvent actionEvent) {
+                this.echo(actionEvent.toString());
                 if (actionEvent.getActionCommand() == Text.INVENTORY_BUTTON.toString()) {
                         this.toggleInventory();
                 } else {
diff --git a/src/esieequest/view/web/WebInterface.java b/src/esieequest/view/web/WebInterface.java
index 8f6c1ce..0d5f201 100644
--- a/src/esieequest/view/web/WebInterface.java
+++ b/src/esieequest/view/web/WebInterface.java
@@ -155,7 +155,37 @@ class WebInterface extends Composite implements Viewable {
                 Event.addNativePreviewHandler(new NativePreviewHandler() {
                         @Override
                         public void onPreviewNativeEvent(final NativePreviewEvent event) {
-                                // final int key = event.getNativeEvent().getKeyCode();
+                                if (WebInterface.this.inputField.getText().length() > 0) {
+                                        return;
+                                }
+
+                                if (event.getTypeInt() != Event.ONKEYDOWN) {
+                                        return;
+                                }
+
+                                switch (event.getNativeEvent().getKeyCode()) {
+                                case KeyCodes.KEY_LEFT:
+                                        WebInterface.this.leftButton.click();
+                                        break;
+                                case KeyCodes.KEY_RIGHT:
+                                        WebInterface.this.rightButton.click();
+                                        break;
+                                case KeyCodes.KEY_UP:
+                                        WebInterface.this.forwardButton.click();
+                                        break;
+                                case KeyCodes.KEY_DOWN:
+                                        WebInterface.this.backButton.click();
+                                        break;
+                                case KeyCodes.KEY_HOME:
+                                        WebInterface.this.inventoryButton.click();
+                                        break;
+                                case KeyCodes.KEY_PAGEUP:
+                                        WebInterface.this.actionButton.click();
+                                        break;
+                                default:
+                                        WebInterface.this.inputField.setFocus(true);
+                                        break;
+                                }