12 files changed, 29 insertions, 10 deletions

diff --git a/src/esieequest/controller/commands/BackCommand.java b/src/esieequest/controller/commands/BackCommand.java
index 299bda9..847d396 100644
--- a/src/esieequest/controller/commands/BackCommand.java
+++ b/src/esieequest/controller/commands/BackCommand.java
@@ -15,7 +15,7 @@ public class BackCommand implements Executable {
 
                 game.getPlayer().goToPreviousRoom();
 
-                view.updateLocation(game.getPlayer().getCurrentRoom(), game.getPlayer().getCurrentDirection(), game.getPlayer().getCurrentSide());
+                view.updateLocation(game.getPlayer().getCurrentRoom(), game.getPlayer().getCurrentDirection(), game.getPlayer().getCurrentSide(), game.getPlayer().canGoBack());
 
         }
 
diff --git a/src/esieequest/controller/commands/DropCommand.java b/src/esieequest/controller/commands/DropCommand.java
index 4e6f877..ee71b1e 100644
--- a/src/esieequest/controller/commands/DropCommand.java
+++ b/src/esieequest/controller/commands/DropCommand.java
@@ -31,6 +31,7 @@ public class DropCommand implements Executable {
                 final Item item = game.getPlayer().getInventory().takeItem(itemName);
                 game.getPlayer().getCurrentSide().getInventory().putItem(item);
 
+                view.updateLocation(game.getPlayer().getCurrentRoom(), game.getPlayer().getCurrentDirection(), game.getPlayer().getCurrentSide(), game.getPlayer().canGoBack());
                 view.updateInventory(game.getPlayer().getInventory());
 
         }
diff --git a/src/esieequest/controller/commands/GoCommand.java b/src/esieequest/controller/commands/GoCommand.java
index f536f64..136379f 100644
--- a/src/esieequest/controller/commands/GoCommand.java
+++ b/src/esieequest/controller/commands/GoCommand.java
@@ -39,7 +39,7 @@ public class GoCommand implements Executable {
                         return;
                 }
 
-                view.updateLocation(game.getPlayer().getCurrentRoom(), direction, game.getPlayer().getCurrentSide());
+                view.updateLocation(game.getPlayer().getCurrentRoom(), direction, game.getPlayer().getCurrentSide(), game.getPlayer().canGoBack());
 
                 // handle challenge mode
                 if (game.getPlayer().walk()) {
diff --git a/src/esieequest/controller/commands/LoadCommand.java b/src/esieequest/controller/commands/LoadCommand.java
index 8d6fd29..8a69544 100644
--- a/src/esieequest/controller/commands/LoadCommand.java
+++ b/src/esieequest/controller/commands/LoadCommand.java
@@ -39,7 +39,7 @@ public class LoadCommand implements Executable {
 
                 // view.updateQuest();
                 // view.updateInventory(game.getPlayer().getItems());
-                view.updateLocation(game.getPlayer().getCurrentRoom(), game.getPlayer().getCurrentDirection(), game.getPlayer().getCurrentSide());
+                view.updateLocation(game.getPlayer().getCurrentRoom(), game.getPlayer().getCurrentDirection(), game.getPlayer().getCurrentSide(), game.getPlayer().canGoBack());
 
         }
 
diff --git a/src/esieequest/controller/commands/NewCommand.java b/src/esieequest/controller/commands/NewCommand.java
index 4ce45d0..e0e45ab 100644
--- a/src/esieequest/controller/commands/NewCommand.java
+++ b/src/esieequest/controller/commands/NewCommand.java
@@ -24,7 +24,7 @@ public class NewCommand implements Executable {
 
                 view.enable();
 
-                view.updateLocation(game.getPlayer().getCurrentRoom(), game.getPlayer().getCurrentDirection(), game.getPlayer().getCurrentSide());
+                view.updateLocation(game.getPlayer().getCurrentRoom(), game.getPlayer().getCurrentDirection(), game.getPlayer().getCurrentSide(), game.getPlayer().canGoBack());
                 view.echo(Text.WELCOME.toString());
 
         }
diff --git a/src/esieequest/controller/commands/TakeCommand.java b/src/esieequest/controller/commands/TakeCommand.java
index 4e615c7..b92f4e5 100644
--- a/src/esieequest/controller/commands/TakeCommand.java
+++ b/src/esieequest/controller/commands/TakeCommand.java
@@ -47,6 +47,7 @@ public class TakeCommand implements Executable {
                 game.getPlayer().getCurrentRoom().removeItem(item);
                 game.getPlayer().getInventory().putItem(item);
 
+                view.updateLocation(game.getPlayer().getCurrentRoom(), game.getPlayer().getCurrentDirection(), game.getPlayer().getCurrentSide(), game.getPlayer().canGoBack());
                 view.updateInventory(game.getPlayer().getInventory());
 
         }
diff --git a/src/esieequest/controller/commands/TurnCommand.java b/src/esieequest/controller/commands/TurnCommand.java
index d4b6ee9..f985087 100644
--- a/src/esieequest/controller/commands/TurnCommand.java
+++ b/src/esieequest/controller/commands/TurnCommand.java
@@ -30,7 +30,7 @@ public class TurnCommand implements Executable {
                 final Direction newDirection = currentDirection.rotate(orientation);
                 game.getPlayer().setCurrentDirection(newDirection);
 
-                view.updateLocation(game.getPlayer().getCurrentRoom(), newDirection, game.getPlayer().getCurrentSide());
+                view.updateLocation(game.getPlayer().getCurrentRoom(), newDirection, game.getPlayer().getCurrentSide(), game.getPlayer().canGoBack());
 
         }
 
diff --git a/src/esieequest/model/Player.java b/src/esieequest/model/Player.java
index ea8af35..23e3a54 100644
--- a/src/esieequest/model/Player.java
+++ b/src/esieequest/model/Player.java
@@ -102,6 +102,15 @@ public class Player implements SerialisableObject {
         }
 
         /**
+         * Tells if the Player can go back.
+         * 
+         * @return false if the Player's Room history is empty.
+         */
+        public boolean canGoBack() {
+                return !this.previousRooms.isEmpty();
+        }
+
+        /**
          * Clears the previous rooms history.
          */
         public void clearRoomHistory() {
diff --git a/src/esieequest/view/Viewable.java b/src/esieequest/view/Viewable.java
index d4da79b..eb9c50a 100644
--- a/src/esieequest/view/Viewable.java
+++ b/src/esieequest/view/Viewable.java
@@ -63,7 +63,7 @@ public interface Viewable {
          * @param side
          *            the side of a room
          */
-        public void updateLocation(final Room room, final Direction direction, final Side side);
+        public void updateLocation(final Room room, final Direction direction, final Side side, final boolean canGoBack);
 
         /**
          * Updates the view to display the items contained in the inventory
diff --git a/src/esieequest/view/app/UserInterface.java b/src/esieequest/view/app/UserInterface.java
index 1d73e79..220afc1 100644
--- a/src/esieequest/view/app/UserInterface.java
+++ b/src/esieequest/view/app/UserInterface.java
@@ -418,9 +418,13 @@ abstract class UserInterface implements Viewable, ActionListener {
         }
 
         @Override
-        public void updateLocation(final Room room, final Direction direction, final Side side) {
-                this.echo(room.getInformations());
+        public void updateLocation(final Room room, final Direction direction, final Side side, final boolean canGoBack) {
                 this.setIllustration(room.name() + Text.FILENAME_SEPARATOR.toString() + direction.name());
+                this.backButton.setEnabled(canGoBack);
+                this.forwardButton.setEnabled(side.hasDoor());
+                this.actionButton.setEnabled(side.hasCharacter() || side.getInventory().getSize() > 0);
+
+                this.echo(room.getInformations());
         }
 
         @Override
diff --git a/src/esieequest/view/text/TextInterface.java b/src/esieequest/view/text/TextInterface.java
index 5e701d3..3fc0399 100644
--- a/src/esieequest/view/text/TextInterface.java
+++ b/src/esieequest/view/text/TextInterface.java
@@ -87,7 +87,7 @@ abstract class TextInterface implements Viewable {
         }
 
         @Override
-        public void updateLocation(final Room room, final Direction direction, final Side side) {
+        public void updateLocation(final Room room, final Direction direction, final Side side, final boolean canGoBack) {
                 this.echo(room.getInformations());
         }
 
diff --git a/src/esieequest/view/web/WebInterface.java b/src/esieequest/view/web/WebInterface.java
index 07bb60a..fe67b72 100644
--- a/src/esieequest/view/web/WebInterface.java
+++ b/src/esieequest/view/web/WebInterface.java
@@ -327,8 +327,12 @@ class WebInterface extends Composite implements Viewable {
         }
 
         @Override
-        public void updateLocation(final Room room, final Direction direction, final Side side) {
+        public void updateLocation(final Room room, final Direction direction, final Side side, final boolean canGoBack) {
                 this.setIllustration(room.name() + Text.FILENAME_SEPARATOR.toString() + direction.name());
+                this.backButton.setEnabled(canGoBack);
+                this.forwardButton.setEnabled(side.hasDoor());
+                this.actionButton.setEnabled(side.hasCharacter() || side.getInventory().getSize() > 0);
+
                 this.echo(room.getInformations());
         }