Long live Qt 4.5!

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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt3Support module 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "q3dataview.h"
+
+#ifndef QT_NO_SQL_VIEW_WIDGETS
+
+#include "private/q3sqlmanager_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class Q3DataViewPrivate
+{
+public:
+    Q3DataViewPrivate() {}
+    Q3SqlFormManager frm;
+};
+
+
+/*!
+    \class Q3DataView
+    \brief The Q3DataView class provides read-only SQL forms.
+
+    \compat
+
+    This class provides a form which displays SQL field data from a
+    record buffer. Because Q3DataView does not support editing it uses
+    less resources than a Q3DataBrowser. This class is well suited for
+    displaying read-only data from a SQL database.
+
+    If you want a to present your data in an editable form use
+    Q3DataBrowser; if you want a table-based presentation of your data
+    use Q3DataTable.
+
+    The form is associated with the data view with setForm() and the
+    record is associated with setRecord(). You can also pass a
+    QSqlRecord to the refresh() function which will set the record to
+    the given record and read the record's fields into the form.
+*/
+
+/*!
+    Constructs a data view which is a child of \a parent, called \a
+    name, and with widget flags \a fl.
+*/
+
+Q3DataView::Q3DataView(QWidget *parent, const char *name, Qt::WindowFlags fl)
+    : QWidget(parent, name, fl)
+{
+    d = new Q3DataViewPrivate();
+}
+
+/*!
+    Destroys the object and frees any allocated resources.
+*/
+
+Q3DataView::~Q3DataView()
+{
+    delete d;
+}
+
+/*!
+    Clears the default form's values. If there is no default form,
+    nothing happens. All the values are set to their 'zero state',
+    e.g. 0 for numeric fields, "" for string fields.
+*/
+
+void Q3DataView::clearValues()
+{
+    d->frm.clearValues();
+}
+
+/*!
+    Sets the form used by the data view to \a form. If a record has
+    already been assigned to the data view, the form will display that
+    record's data.
+
+    \sa form()
+*/
+
+void Q3DataView::setForm(Q3SqlForm* form)
+{
+    d->frm.setForm(form);
+}
+
+
+/*!
+    Returns the default form used by the data view, or 0 if there is
+    none.
+
+    \sa setForm()
+*/
+
+Q3SqlForm* Q3DataView::form()
+{
+    return d->frm.form();
+}
+
+
+/*!
+    Sets the record used by the data view to \a record. If a form has
+    already been assigned to the data view, the form will display the
+    data from \a record in that form.
+
+    \sa record()
+*/
+
+void Q3DataView::setRecord(QSqlRecord* record)
+{
+    d->frm.setRecord(record);
+}
+
+
+/*!
+    Returns the default record used by the data view, or 0 if there is
+    none.
+
+    \sa setRecord()
+*/
+
+QSqlRecord* Q3DataView::record()
+{
+    return d->frm.record();
+}
+
+
+/*!
+    Causes the default form to read its fields from the record buffer.
+    If there is no default form, or no record, nothing happens.
+
+    \sa setForm()
+*/
+
+void Q3DataView::readFields()
+{
+    d->frm.readFields();
+}
+
+/*!
+    Causes the default form to write its fields to the record buffer.
+    If there is no default form, or no record, nothing happens.
+
+    \sa setForm()
+*/
+
+void Q3DataView::writeFields()
+{
+    d->frm.writeFields();
+}
+
+/*!
+    Causes the default form to display the contents of \a buf. If
+    there is no default form, nothing happens.The \a buf also becomes
+    the default record for all subsequent calls to readFields() and
+    writefields(). This slot is equivalant to calling:
+
+    \snippet doc/src/snippets/code/src_qt3support_sql_q3dataview.cpp 0
+
+    \sa setRecord() readFields()
+*/
+
+void Q3DataView::refresh(QSqlRecord* buf)
+{
+    if (buf && buf != record())
+        setRecord(buf);
+    readFields();
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_SQL_VIEW_WIDGETS