--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/itemviews/customsortfiltermodel/mysortfilterproxymodel.d	Fri Jun 12 22:20:37 2009 +0000
@@ -0,0 +1,133 @@
+/****************************************************************************
+**
+** 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 mysortfilterproxymodel;
+
+
+import qt.core.QDate;
+import qt.core.QVariant;
+import qt.core.QDateTime;
+import qt.gui.QSortFilterProxyModel;
+
+
+class MySortFilterProxyModel : public QSortFilterProxyModel
+{
+public:
+
+	this(QObject parent = null)
+	{
+		super(parent);
+		minDate = new QDate();
+		maxDate = new QDate();
+	}
+
+	QDate filterMinimumDate()
+	{
+		return minDate;
+	}
+	
+	void setFilterMinimumDate(QDate date)
+	{
+		minDate = date;
+		invalidateFilter();
+	}
+
+	QDate filterMaximumDate()
+	{
+		return maxDate;
+	}
+	
+	void setFilterMaximumDate(QDate date)
+	{
+		maxDate = date;
+		invalidateFilter();
+	}
+
+protected:
+
+	bool filterAcceptsRow(int sourceRow, QModelIndex sourceParent)
+	{
+		QModelIndex index0 = sourceModel().index(sourceRow, 0, sourceParent);
+		QModelIndex index1 = sourceModel().index(sourceRow, 1, sourceParent);
+		QModelIndex index2 = sourceModel().index(sourceRow, 2, sourceParent);
+
+		static bool contains(char[] str, QRegExp rx)
+		{
+			return (rx.indexIn(str, 0) != -1);
+		}
+		
+		return (contains(sourceModel().data(index0).toString(), filterRegExp())
+			|| contains(sourceModel().data(index1).toString(), filterRegExp()))
+			&& dateInRange(sourceModel().data(index2).toDate());
+	}
+
+
+	bool lessThan(QModelIndex left, QModelIndex right)
+	{
+		QVariant leftData = sourceModel().data(left);
+		QVariant rightData = sourceModel().data(right);
+
+		if (leftData.canConvert!(QDateTime)) {
+			return leftData.toDateTime() < rightData.toDateTime();
+		} else {
+			QRegExp emailPattern = new QRegExp("([\\w\\.]*@[\\w\\.]*)");
+
+			string leftString = leftData.toString();
+			if(left.column() == 1 && emailPattern.indexIn(leftString) != -1)
+				leftString = emailPattern.cap(1);
+
+			string rightString = rightData.toString();
+			if(right.column() == 1 && emailPattern.indexIn(rightString) != -1)
+				rightString = emailPattern.cap(1);
+
+			return leftString < rightString;
+		}
+	}
+
+private:
+
+	bool dateInRange(QDate date)
+	{
+		return (!minDate.isValid() || date > minDate) && (!maxDate.isValid() || date < maxDate);
+	}
+
+	QDate minDate;
+	QDate maxDate;
+}