Update the character image immediately when a component is selected.

General clean-up.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@583 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/cast/builder/BuilderModel.java

@@ -0,0 +1,124 @@
+//
+// $Id: BuilderModel.java,v 1.1 2001/11/02 01:10:28 shaper Exp $
+
+package com.threerings.cast.builder;
+
+import java.util.*;
+
+import com.samskivert.util.CollectionUtil;
+import com.samskivert.util.HashIntMap;
+
+import com.threerings.cast.CharacterManager;
+import com.threerings.cast.ComponentClass;
+
+/**
+ * The builder model represents the current state of the character
+ * the user is building.
+ */
+public class BuilderModel
+{
+    /**
+     * Constructs a builder model.
+     */
+    public BuilderModel (CharacterManager charmgr)
+    {
+        gatherComponentInfo(charmgr);
+        _selected = new int[_classes.size()];
+    }
+
+    /**
+     * Adds a builder model listener.
+     *
+     * @param l the listener.
+     */
+    public void addListener (BuilderModelListener l)
+    {
+        if (!_listeners.contains(l)) {
+            _listeners.add(l);
+        }
+    }
+
+    /**
+     * Notifies all model listeners that the builder model has changed.
+     */
+    protected void notifyListeners (int event)
+    {
+	int size = _listeners.size();
+	for (int ii = 0; ii < size; ii++) {
+	    ((BuilderModelListener)_listeners.get(ii)).modelChanged(event);
+	}
+    }
+
+    /**
+     * Returns a list of the available component classes.
+     */
+    public List getComponentClasses ()
+    {
+        return _classes;
+    }
+
+    /**
+     * Returns a hashtable of the components available for each
+     * component class, keyed on component class id.
+     */
+    public HashIntMap getComponents ()
+    {
+        return _components;
+    }
+
+    /**
+     * Returns an array of the currently selected component ids.
+     */
+    public int[] getSelectedComponents ()
+    {
+        return _selected;
+    }
+
+    /**
+     * Sets the selected component for the given component class id.
+     */
+    public void setSelectedComponent (int clid, int cid)
+    {
+        _selected[clid] = cid;
+        notifyListeners(BuilderModelListener.COMPONENT_CHANGED);
+    }
+
+    /**
+     * Gathers component class and component information from the
+     * character manager for later reference by others.
+     */
+    protected void gatherComponentInfo (CharacterManager charmgr)
+    {
+        // get the list of all component classes
+        CollectionUtil.addAll(_classes, charmgr.enumerateComponentClasses());
+
+        for (int ii = 0; ii < _classes.size(); ii++) {
+            // get the list of components available for this class
+            int clid = ((ComponentClass)_classes.get(ii)).clid;
+            Iterator iter = charmgr.enumerateComponentsByClass(clid);
+
+            while (iter.hasNext()) {
+                Integer cid = (Integer)iter.next();
+
+                ArrayList clist = (ArrayList)_components.get(clid);
+                if (clist == null) {
+                    _components.put(clid, clist = new ArrayList());
+                }
+
+                clist.add(cid);
+            }
+        }
+    }
+
+    /** The currently selected character components. */
+    protected int _selected[];
+
+    /** The hashtable of available component ids for each class. */
+    protected HashIntMap _components = new HashIntMap();
+
+    /** The list of all available component classes. */
+    protected ArrayList _classes = new ArrayList();
+
+    /** The model listeners. */
+    protected ArrayList _listeners = new ArrayList();
+}