--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/itemviews/editabletreemodel/mainwindow.d	Tue Jun 16 00:51:38 2009 +0000
@@ -0,0 +1,202 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+module mainwindow;
+
+
+import qt.core.QModelIndex;
+import qt.core.QFile;
+import qt.gui.QMainWindow;
+import qt.gui.QAction;
+import qt.gui.QTreeView;
+import qt.gui.QWidget;
+
+import tango.text.convert.Format;
+
+import ui_mainwindow;
+import mainwindow;
+import treemodel;
+
+
+class MainWindow : public QMainWindow
+{
+
+mixin Ui_MainWindow;
+
+public:
+
+	this(QWidget parent = null)
+	{
+		super(parent);
+		setupUi(this);
+
+		string[] headers;
+		headers ~= tr("Title");
+		headers ~= tr("Description");
+
+		auto file = new QFile(":/default.txt");
+		file.open(QIODevice.ReadOnly);
+		TreeModel model = new TreeModel(headers, file.readAll().data()[0..file.size()]);
+		file.close();
+
+		view.setModel(model);
+		for (int column = 0; column < model.columnCount(); ++column)
+			view.resizeColumnToContents(column);
+
+		exitAction.triggered.connect(&QApplication.quit);
+
+		view.selectionModel().selectionChanged.connect(&this.updateActions);
+
+		actionsMenu.aboutToShow.connect(&this.updateActions);
+		insertRowAction.triggered.connect(&this.insertRow);
+		insertColumnAction.triggered.connect(&this.insertColumn);
+		removeRowAction.triggered.connect(&this.removeRow);
+		removeColumnAction.triggered.connect(&this.removeColumn);
+		insertChildAction.triggered.connect(&this.insertChild);
+
+		updateActions();
+	}
+
+public:
+
+	void updateActions()
+	{
+		bool hasSelection = !view.selectionModel().selection().isEmpty();
+		removeRowAction.setEnabled(hasSelection);
+		removeColumnAction.setEnabled(hasSelection);
+
+		bool hasCurrent = view.selectionModel().currentIndex().isValid();
+		insertRowAction.setEnabled(hasCurrent);
+		insertColumnAction.setEnabled(hasCurrent);
+
+		if (hasCurrent) {
+			view.closePersistentEditor(view.selectionModel().currentIndex());
+
+			int row = view.selectionModel().currentIndex().row();
+			int column = view.selectionModel().currentIndex().column();
+			if (view.selectionModel().currentIndex().parent().isValid())
+				statusBar().showMessage(Format(tr("Position: ({},{})"), row, column));
+			else
+				statusBar().showMessage(Format(tr("Position: ({},{}) in top level"), row, column));
+		}
+	}
+
+private:
+
+	void insertChild()
+	{
+		QModelIndex index = view.selectionModel().currentIndex();
+		QAbstractItemModel model = view.model();
+
+		if (model.columnCount(index) == 0) {
+			if (!model.insertColumn(0, index))
+				return;
+		}
+
+		if (!model.insertRow(0, index))
+			return;
+
+		for (int column = 0; column < model.columnCount(index); ++column) {
+			QModelIndex child = model.index(0, column, index);
+			model.setData(child, QVariant("[No data]"), Qt.EditRole);
+			if (!model.headerData(column, Qt.Horizontal).isValid())
+				model.setHeaderData(column, Qt.Horizontal, QVariant("[No header]"), Qt.EditRole);
+		}
+
+		view.selectionModel().setCurrentIndex(model.index(0, 0, index), QItemSelectionModel.ClearAndSelect);
+		updateActions();
+	}
+
+	bool insertColumn()
+	{
+		QModelIndex parent = QModelIndex(); //moved from method head
+		QAbstractItemModel model = view.model();
+		int column = view.selectionModel().currentIndex().column();
+
+		// Insert a column in the parent item.
+		bool changed = model.insertColumn(column + 1, parent);
+		if (changed)
+			model.setHeaderData(column + 1, Qt.Horizontal, QVariant("[No header]"), Qt.EditRole);
+
+		updateActions();
+
+		return changed;
+	}
+
+	void insertRow()
+	{
+		QModelIndex index = view.selectionModel().currentIndex();
+		QAbstractItemModel model = view.model();
+
+		if (!model.insertRow(index.row()+1, index.parent()))
+			return;
+
+		updateActions();
+
+		for (int column = 0; column < model.columnCount(index.parent()); ++column) {
+			QModelIndex child = model.index(index.row()+1, column, index.parent());
+			model.setData(child, QVariant("[No data]"), Qt.EditRole);
+		}
+	}
+
+	bool removeColumn()
+	{
+		QModelIndex parent = QModelIndex(); //moved from method head
+		QAbstractItemModel model = view.model();
+		int column = view.selectionModel().currentIndex().column();
+
+		// Insert columns in each child of the parent item.
+		bool changed = model.removeColumn(column, parent);
+
+		if (!parent.isValid() && changed)
+			updateActions();
+
+		return changed;
+	}
+
+	void removeRow()
+	{
+		QModelIndex index = view.selectionModel().currentIndex();
+		QAbstractItemModel model = view.model();
+		if (model.removeRow(index.row(), index.parent()))
+			updateActions();
+	}
+
+}