diff -r c6bb4fdcc55f -r 78ba80b54bc4 treemodel.cpp
--- a/treemodel.cpp	Sat Aug 08 21:58:26 2009 +0000
+++ b/treemodel.cpp	Tue Aug 18 12:39:07 2009 +0000
@@ -3,9 +3,10 @@
 #include <iostream>
 using namespace std;
 
+#include "attributeitem.h"
 #include "branchitem.h"
+#include "imageitem.h"
 #include "treeitem.h"
-#include "imageitem.h"
 #include "treemodel.h"
 
 TreeModel::TreeModel(QObject *parent)
@@ -51,13 +52,33 @@
     return QVariant();
 }
 
+QModelIndex TreeModel::index (TreeItem* ti)
+{
+	if (!ti->parent())
+		return QModelIndex();
+	else	
+		return createIndex (ti->row(),ti->column(),ti);
+}
+
 QModelIndex TreeModel::index(int row, int column, const QModelIndex &parent)
             const
 {
     TreeItem *parentItem;
 
     if (!parent.isValid())
+	{	//FIXME-1
         parentItem = rootItem;
+		/*
+		cout << "TM::index()  no parent?! xxx\n";
+		cout << "   row="<<row<<"  col="<<column<<endl;
+		cout << "   parent.internal="<< parent.internalPointer()<<endl;
+		*/
+		//return QModelIndex();	//FIXME-0 this line is new (testing)
+		// Somehow index is requested where parentIndex is invalid.
+		// what's happening here...?
+		// Check if Qt examples also return index of rootIem then...
+
+	}	
     else
         parentItem = getItem (parent);
 
@@ -73,8 +94,12 @@
     if (!index.isValid())
         return QModelIndex();
 
+	//FIXME-3 cout << "TM::parent  ri="<<rootItem<< "  row="<<index.row()<<"  col="<<index.column()<<endl;
     TreeItem *ti= getItem (index);
+	//cout << "            ti="<<ti<<endl;
+	//cout << "               "<<ti->getHeadingStd()<<endl;
     TreeItem *parentItem = ti->parent();
+	//cout << "            pi="<<parentItem<<endl;
 
 	//cout << "TreeModel::parent  ti="<<ti<<" "<<ti->getHeading().toStdString()<<"  pi="<<parentItem<<"  "<<endl;
     if (parentItem == rootItem)
@@ -192,6 +217,10 @@
     TreeItem *pi= getItem (parent);
 	TreeItem *ti;
 
+/* FIXME-3
+	cout << "TM::removeRows  row="<<row<<"  count="<<count<<endl;
+	cout << "                pi="<<pi<<"  ti="<<ti<<endl;
+*/	
 	for (int i=row; i<=last; i++)
 	{
 		ti=pi->getChildNum (row);
@@ -207,6 +236,9 @@
 			case TreeItem::Image:
 				delete (ImageItem*)ti; 
 				break;
+			case TreeItem::Attribute:
+				delete (AttributeItem*)ti; 
+				break;
 			default:
 				delete ti;
 				break;
@@ -217,9 +249,11 @@
 
 TreeItem *TreeModel::getItem(const QModelIndex &index) const
 {
+//FIXME-3	cout << "TM::getItem  "<<index.internalPointer()<<endl;
     if (index.isValid()) {
 		TreeItem *item = static_cast<TreeItem*>(index.internalPointer());
 
+//		cout << "   item="<<item<<endl;
         if (item) return item;
     }
     return rootItem;
@@ -230,8 +264,3 @@
 	return rootItem;
 }
 
-QModelIndex TreeModel::index (TreeItem* ti)
-{
-	return createIndex (ti->row(),ti->column(),ti);
-}
-