diff -r cf14046909cd -r 7ea31701156e treemodel.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/treemodel.cpp	Tue Aug 05 07:36:53 2008 +0000
@@ -0,0 +1,130 @@
+#include <QtGui>
+
+#include "treeitem.h"
+#include "treemodel.h"
+
+TreeModel::TreeModel(QObject *parent)
+    : QAbstractItemModel(parent)
+{
+    QList<QVariant> rootData;
+    rootData << "Heading" << "Type" <<"Note";
+    rootItem = new TreeItem(rootData);
+    setupModelData(rootItem);
+}
+
+TreeModel::~TreeModel()
+{
+    delete rootItem;
+}
+
+int TreeModel::columnCount(const QModelIndex &parent) const
+{
+    if (parent.isValid())
+        return static_cast<TreeItem*>(parent.internalPointer())->columnCount();
+    else
+        return rootItem->columnCount();
+}
+
+QVariant TreeModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    if (role != Qt::DisplayRole)
+        return QVariant();
+
+    TreeItem *item = static_cast<TreeItem*>(index.internalPointer());
+
+    return item->data(index.column());
+}
+
+Qt::ItemFlags TreeModel::flags(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return Qt::ItemIsEnabled;
+
+    return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+}
+
+QVariant TreeModel::headerData(int section, Qt::Orientation orientation,
+                               int role) const
+{
+    if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
+        return rootItem->data(section);
+
+    return QVariant();
+}
+
+QModelIndex TreeModel::index(int row, int column, const QModelIndex &parent)
+            const
+{
+    TreeItem *parentItem;
+
+    if (!parent.isValid())
+        parentItem = rootItem;
+    else
+        parentItem = static_cast<TreeItem*>(parent.internalPointer());
+
+    TreeItem *childItem = parentItem->child(row);
+    if (childItem)
+        return createIndex(row, column, childItem);
+    else
+        return QModelIndex();
+}
+
+QModelIndex TreeModel::parent(const QModelIndex &index) const
+{
+    if (!index.isValid())
+        return QModelIndex();
+
+    TreeItem *childItem = static_cast<TreeItem*>(index.internalPointer());
+    TreeItem *parentItem = childItem->parent();
+
+    if (parentItem == rootItem)
+        return QModelIndex();
+
+    return createIndex(parentItem->row(), 0, parentItem);
+}
+
+int TreeModel::rowCount(const QModelIndex &parent) const
+{
+    TreeItem *parentItem;
+
+    if (!parent.isValid())
+        parentItem = rootItem;
+    else
+        parentItem = static_cast<TreeItem*>(parent.internalPointer());
+
+    return parentItem->childCount();
+}
+
+void TreeModel::setupModelData(TreeItem *root)
+{
+	QList<QVariant> cData;
+
+	cData << "Center of map" << "MapCenter"<<"Data 1";
+	TreeItem *mco=new TreeItem (cData,root);
+	root->appendChild (mco);
+
+	cData.clear();
+	cData << "Main A" << "Branch"<<"Data 2";
+	TreeItem *bo=new TreeItem (cData,mco);
+	mco->appendChild (bo);
+	TreeItem *mainA=bo;
+
+	cData.clear();
+	cData << "Sub a" << "Branch"<<"Data";
+	bo=new TreeItem (cData,mainA);
+	mainA->appendChild (bo);
+
+	cData.clear();
+	cData << "Sub b" << "Branch"<<"Data";
+	bo=new TreeItem (cData,mainA);
+	mainA->appendChild (bo);
+
+	cData.clear();
+	cData << "Main B"<<"Branch" <<"Data 3";
+	mco->appendChild(new TreeItem(cData, mco));
+
+	//QModelIndex ix=index (0,0,QModelIndex() );
+}