Ez game stuff, javafied.

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@63 c613c5cb-e716-0410-b11b-feb51c14d237

src/java/com/threerings/ezgame/client/EZGamePanel.java

@@ -0,0 +1,134 @@
+package com.threerings.ezgame.client;
+
+import java.awt.Component;
+import java.awt.Container;
+
+import java.awt.event.ContainerEvent;
+import java.awt.event.ContainerListener;
+
+import java.util.WeakHashMap;
+
+import javax.swing.JPanel;
+
+import com.samskivert.swing.VGroupLayout;
+import com.samskivert.swing.util.SwingUtil;
+
+import com.threerings.crowd.client.PlaceView;
+import com.threerings.crowd.data.PlaceObject;
+import com.threerings.crowd.util.CrowdContext;
+
+import com.threerings.ezgame.data.EZGameConfig;
+import com.threerings.ezgame.data.EZGameObject;
+
+import com.threerings.ezgame.Game;
+
+public class EZGamePanel extends JPanel
+    implements ContainerListener, PlaceView
+{
+    public EZGamePanel (CrowdContext ctx, EZGameController ctrl)
+    {
+        super(new VGroupLayout(VGroupLayout.STRETCH));
+
+        _ctx = ctx;
+        _ctrl = ctrl;
+
+        // add a listener so that we hear about all new children
+        addContainerListener(this);
+
+        EZGameConfig cfg = (EZGameConfig) ctrl.getPlaceConfig();
+        try {
+            // TODO
+            _gameView = (Component) Class.forName(cfg.configData).newInstance();
+            add(_gameView);
+        } catch (RuntimeException re) {
+            throw re;
+
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+
+        // TODO: Add a standard chat display?
+        //addChild(new ChatDisplayBox(ctx));
+    }
+
+    // from PlaceView
+    public void willEnterPlace (final PlaceObject plobj)
+    {
+        // don't start notifying anything of the game until we've
+        // notified the game manager that we're in the game
+        // (done in GameController, and it uses callLater, so we do it twice!)
+        _ctx.getClient().getRunQueue().postRunnable(new Runnable() {
+            public void run () {
+                _ctx.getClient().getRunQueue().postRunnable(new Runnable() {
+                    public void run () {
+                        _ezObj = (EZGameObject) plobj;
+                        notifyOfGame(_gameView);
+                    }
+                });
+            }
+        });
+    }
+
+    // from PlaceView
+    public void didLeavePlace (PlaceObject plobj)
+    {
+        removeListeners(_gameView);
+        _ezObj = null;
+    }
+
+    // from ContainerListener
+    public void componentAdded (ContainerEvent event)
+    {
+        if (_ezObj != null) {
+            notifyOfGame(event.getChild());
+        }
+    }
+
+    // from ContainerListener
+    public void componentRemoved (ContainerEvent event)
+    {
+        if (_ezObj != null) {
+            removeListeners(event.getChild());
+        }
+    }
+
+    /**
+     * Find any children of the specified object that implement
+     * com.metasoy.game.Game and provide them with the GameObject.
+     */
+    protected void notifyOfGame (Component root)
+    {
+        SwingUtil.applyToHierarchy(root, new SwingUtil.ComponentOp() {
+            public void apply (Component comp) {
+                if (comp instanceof Game) {
+                    // only notify the Game if we haven't seen it before
+                    if (null == _seenGames.put(comp, Boolean.TRUE)) {
+                        ((Game) comp).setGameObject(_ctrl.gameObjImpl);
+                    }
+                }
+                // always check to see if it's a listener
+                _ctrl.gameObjImpl.registerListener(comp);
+            }
+        });
+    }
+
+    protected void removeListeners (Component root)
+    {
+        SwingUtil.applyToHierarchy(root, new SwingUtil.ComponentOp() {
+            public void apply (Component comp) {
+                _ctrl.gameObjImpl.unregisterListener(comp);
+            }
+        });
+    }
+
+    protected CrowdContext _ctx;
+    protected EZGameController _ctrl;
+
+    protected Component _gameView;
+
+    /** A weak-key hash of the Game interfaces we've already seen. */
+    protected WeakHashMap<Component, Boolean> _seenGames =
+        new WeakHashMap<Component, Boolean>();
+
+    protected EZGameObject _ezObj;
+}