Basic model for the new tree

1 files changed, 99 insertions, 0 deletions

diff --git a/sigmodr/tree/TreeModel.cpp b/sigmodr/tree/TreeModel.cpp
new file mode 100644
index 00000000..801fbdb7
--- /dev/null
+++ b/sigmodr/tree/TreeModel.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2009 Ben Boeckel <MathStuf@gmail.com>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// Header include
+#include "TreeModel.h"
+
+// Sigmodr tree includes
+#include "RootTreeItem.h"
+
+using namespace Sigmodr::Tree;
+
+TreeModel::TreeModel(QObject* parent) :
+        QAbstractItemModel(parent)
+{
+}
+
+TreeModel::~TreeModel()
+{
+    delete m_root;
+}
+
+QVariant TreeModel::data(const QModelIndex& index, const int role) const
+{
+}
+
+QModelIndex TreeModel::index(const int row, const int column, const QModelIndex& parent) const
+{
+    if (!parent.isValid())
+        return QModelIndex();
+    TreeItem* item = static_cast<TreeItem*>(parent.internalPointer());
+    if (column || (row < 0) || (item->childCount() <= row))
+        return QModelIndex();
+    return createIndex(row, 0, item->childAt(row));
+}
+
+QModelIndex TreeModel::parent(const QModelIndex& child) const
+{
+    if (!child.isValid())
+        return QModelIndex();
+    TreeItem* item = static_cast<TreeItem*>(child.internalPointer());
+    return createIndex(item->row(), 0, item->parent());
+}
+
+bool TreeModel::hasChildren(const QModelIndex& parent) const
+{
+    if (!parent.isValid())
+        return false;
+    TreeItem* item = static_cast<TreeItem*>(parent.internalPointer());
+    return item->childCount();
+}
+
+int TreeModel::rowCount(const QModelIndex& parent) const
+{
+    if (!parent.isValid())
+        return 0;
+    return static_cast<TreeItem*>(parent.internalPointer())->childCount();
+}
+
+int TreeModel::columnCount(const QModelIndex& parent) const
+{
+    return 1;
+}
+
+Qt::ItemFlags TreeModel::flags(const QModelIndex& index) const
+{
+    if (!index.isValid())
+        return Qt::ItemFlags();
+    return static_cast<TreeItem*>(index.internalPointer())->flags();
+}
+
+QStringList TreeModel::mimeTypes() const
+{
+}
+
+QMimeData* TreeModel::mimeData(const QModelIndexList& indexes) const
+{
+}
+
+bool TreeModel::dropMimeData(const QMimeData* data, Qt::DropAction action, const int row, const int column, const QModelIndex& parent)
+{
+}
+
+Qt::DropActions TreeModel::supportedDropActions() const
+{
+}