diff -r 000000000000 -r 1918ee327afb demos/spreadsheet/spreadsheetdelegate.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/spreadsheet/spreadsheetdelegate.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,114 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "spreadsheetdelegate.h"
+#include <QtGui>
+
+SpreadSheetDelegate::SpreadSheetDelegate(QObject *parent)
+        : QItemDelegate(parent) {}
+
+QWidget *SpreadSheetDelegate::createEditor(QWidget *parent,
+                                          const QStyleOptionViewItem &,
+                                          const QModelIndex &index) const
+{
+    if (index.column() == 1) {
+        QDateTimeEdit *editor = new QDateTimeEdit(parent);
+        editor->setDisplayFormat("dd/M/yyyy");
+        editor->setCalendarPopup(true);
+        return editor;
+    }
+
+    QLineEdit *editor = new QLineEdit(parent);
+
+    // create a completer with the strings in the column as model
+    QStringList allStrings;
+    for (int i = 1; i<index.model()->rowCount(); i++) {
+        QString strItem(index.model()->data(index.sibling(i, index.column()),
+            Qt::EditRole).toString());
+
+        if (!allStrings.contains(strItem))
+            allStrings.append(strItem);
+    }
+
+    QCompleter *autoComplete = new QCompleter(allStrings);
+    editor->setCompleter(autoComplete);
+    connect(editor, SIGNAL(editingFinished()),
+        this, SLOT(commitAndCloseEditor()));
+    return editor;
+}
+
+void SpreadSheetDelegate::commitAndCloseEditor()
+{
+    QLineEdit *editor = qobject_cast<QLineEdit *>(sender());
+    emit commitData(editor);
+    emit closeEditor(editor);
+}
+
+void SpreadSheetDelegate::setEditorData(QWidget *editor,
+    const QModelIndex &index) const
+{
+    QLineEdit *edit = qobject_cast<QLineEdit*>(editor);
+    if (edit) {
+        edit->setText(index.model()->data(index, Qt::EditRole).toString());
+    } else {
+        QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
+        if (dateEditor) {
+            dateEditor->setDate(QDate::fromString(
+            index.model()->data(index, Qt::EditRole).toString(),
+            "d/M/yyyy"));
+        }
+    }
+}
+
+void SpreadSheetDelegate::setModelData(QWidget *editor,
+    QAbstractItemModel *model, const QModelIndex &index) const
+{
+    QLineEdit *edit = qobject_cast<QLineEdit *>(editor);
+    if (edit) {
+        model->setData(index, edit->text());
+    } else {
+        QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
+        if (dateEditor) {
+            model->setData(index, dateEditor->date().toString("dd/M/yyyy"));
+        }
+    }
+}
+