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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /src/sql/qdataview.cpp
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
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+/****************************************************************************
+**
+** Implementation of QDataView class
+**
+** Created : 2000-11-03
+**
+** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the sql module of the Qt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.QPL
+** included in the packaging of this file. Licensees holding valid Qt
+** Commercial licenses may use this file in accordance with the Qt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "qdataview.h"
+
+#ifndef QT_NO_SQL_VIEW_WIDGETS
+
+#include "qsqlmanager_p.h"
+
+class QDataViewPrivate
+{
+public:
+ QDataViewPrivate() {}
+ QSqlFormManager frm;
+};
+
+
+/*!
+ \class QDataView qdataview.h
+ \brief The QDataView class provides read-only SQL forms.
+
+ \ingroup database
+ \mainclass
+ \module sql
+
+ This class provides a form which displays SQL field data from a
+ record buffer. Because QDataView does not support editing it uses
+ less resources than a QDataBrowser. 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
+ QDataBrowser; if you want a table-based presentation of your data
+ use QDataTable.
+
+ 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.
+*/
+
+QDataView::QDataView( QWidget *parent, const char *name, WFlags fl )
+ : QWidget( parent, name, fl )
+{
+ d = new QDataViewPrivate();
+}
+
+/*!
+ Destroys the object and frees any allocated resources.
+*/
+
+QDataView::~QDataView()
+{
+ 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 QDataView::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 QDataView::setForm( QSqlForm* form )
+{
+ d->frm.setForm( form );
+}
+
+
+/*!
+ Returns the default form used by the data view, or 0 if there is
+ none.
+
+ \sa setForm()
+*/
+
+QSqlForm* QDataView::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 QDataView::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* QDataView::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 QDataView::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 QDataView::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:
+
+ \code
+ myView.setRecord( record );
+ myView.readFields();
+ \endcode
+
+ \sa setRecord() readFields()
+*/
+
+void QDataView::refresh( QSqlRecord* buf )
+{
+ if ( buf && buf != record() )
+ setRecord( buf );
+ readFields();
+}
+
+#endif