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Diffstat (limited to 'tqtinterface/qt4/src/sql/tqdataview.cpp')
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diff --git a/tqtinterface/qt4/src/sql/tqdataview.cpp b/tqtinterface/qt4/src/sql/tqdataview.cpp new file mode 100644 index 0000000..b2fbecf --- /dev/null +++ b/tqtinterface/qt4/src/sql/tqdataview.cpp @@ -0,0 +1,208 @@ +/**************************************************************************** +** +** Implementation of TQDataView class +** +** Created : 2000-11-03 +** +** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the sql module of the TQt 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 TQt 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.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** 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 "tqdataview.h" + +#ifndef TQT_NO_STQL_VIEW_WIDGETS + +#include "tqsqlmanager_p.h" + +class TQDataViewPrivate +{ +public: + TQDataViewPrivate() {} + TQSqlFormManager frm; +}; + + +/*! + \class TQDataView tqdataview.h + \brief The TQDataView 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 TQDataView does not support editing it uses + less resources than a TQDataBrowser. 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 + TQDataBrowser; if you want a table-based presentation of your data + use TQDataTable. + + The form is associated with the data view with setForm() and the + record is associated with setRecord(). You can also pass a + TQSqlRecord 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 tqparent, called \a + name, and with widget flags \a fl. +*/ + +TQDataView::TQDataView( TQWidget *tqparent, const char *name, WFlags fl ) + : TQWidget( tqparent, name, fl ) +{ + d = new TQDataViewPrivate(); +} + +/*! + Destroys the object and frees any allocated resources. +*/ + +TQDataView::~TQDataView() +{ + 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 TQDataView::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 TQDataView::setForm( TQSqlForm* form ) +{ + d->frm.setForm( form ); +} + + +/*! + Returns the default form used by the data view, or 0 if there is + none. + + \sa setForm() +*/ + +TQSqlForm* TQDataView::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 TQDataView::setRecord( TQSqlRecord* record ) +{ + d->frm.setRecord( record ); +} + + +/*! + Returns the default record used by the data view, or 0 if there is + none. + + \sa setRecord() +*/ + +TQSqlRecord* TQDataView::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 TQDataView::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 TQDataView::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 TQDataView::refresh( TQSqlRecord* buf ) +{ + if ( buf && buf != record() ) + setRecord( buf ); + readFields(); +} + +#endif |