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Diffstat (limited to 'src/qt3support/sql/q3dataview.cpp')
-rw-r--r-- | src/qt3support/sql/q3dataview.cpp | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/qt3support/sql/q3dataview.cpp b/src/qt3support/sql/q3dataview.cpp new file mode 100644 index 0000000..fb44996 --- /dev/null +++ b/src/qt3support/sql/q3dataview.cpp @@ -0,0 +1,208 @@ +/**************************************************************************** +** +** 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 |