<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>browser.h Example File | Qt SQL 5.12.2</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtsql-index.html">Qt SQL</a></td><td ><a href="qtsql-sqlbrowser-example.html">SQL Browser</a></td><td >browser.h Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtsql-index.html">Qt 5.12.2 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">browser.h Example File</h1> <span class="subtitle">sqlbrowser/browser.h</span> <!-- $$$sqlbrowser/browser.h-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the demonstration applications of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#ifndef BROWSER_H</span> <span class="preprocessor">#define BROWSER_H</span> <span class="preprocessor">#include <QWidget></span> <span class="preprocessor">#include <QSqlTableModel></span> <span class="preprocessor">#include "ui_browserwidget.h"</span> <span class="keyword">class</span> ConnectionWidget; QT_FORWARD_DECLARE_CLASS(<span class="type"><a href="../qtwidgets/qtableview.html">QTableView</a></span>) QT_FORWARD_DECLARE_CLASS(<span class="type"><a href="../qtwidgets/qpushbutton.html">QPushButton</a></span>) QT_FORWARD_DECLARE_CLASS(<span class="type"><a href="../qtwidgets/qtextedit.html">QTextEdit</a></span>) QT_FORWARD_DECLARE_CLASS(<span class="type"><a href="qsqlerror.html">QSqlError</a></span>) <span class="keyword">class</span> Browser: <span class="keyword">public</span> <span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span><span class="operator">,</span> <span class="keyword">private</span> Ui<span class="operator">::</span>Browser { Q_OBJECT <span class="keyword">public</span>: Browser(<span class="type"><a href="../qtwidgets/qwidget.html">QWidget</a></span> <span class="operator">*</span>parent <span class="operator">=</span> nullptr); <span class="keyword">virtual</span> <span class="operator">~</span>Browser(); <span class="type"><a href="qsqlerror.html">QSqlError</a></span> addConnection(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>driver<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>dbName<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>host<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>user<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>passwd<span class="operator">,</span> <span class="type">int</span> port <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>); <span class="type">void</span> insertRow(); <span class="type">void</span> deleteRow(); <span class="type">void</span> updateActions(); <span class="keyword">public</span> <span class="keyword">slots</span>: <span class="type">void</span> exec(); <span class="type">void</span> showTable(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>table); <span class="type">void</span> showMetaData(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>table); <span class="type">void</span> addConnection(); <span class="type">void</span> currentChanged() { updateActions(); } <span class="type">void</span> about(); <span class="type">void</span> on_insertRowAction_triggered() { insertRow(); } <span class="type">void</span> on_deleteRowAction_triggered() { deleteRow(); } <span class="type">void</span> on_fieldStrategyAction_triggered(); <span class="type">void</span> on_rowStrategyAction_triggered(); <span class="type">void</span> on_manualStrategyAction_triggered(); <span class="type">void</span> on_submitAction_triggered(); <span class="type">void</span> on_revertAction_triggered(); <span class="type">void</span> on_selectAction_triggered(); <span class="type">void</span> on_connectionWidget_tableActivated(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>table) { showTable(table); } <span class="type">void</span> on_connectionWidget_metaDataRequested(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>table) { showMetaData(table); } <span class="type">void</span> on_submitButton_clicked() { exec(); sqlEdit<span class="operator">-</span><span class="operator">></span>setFocus(); } <span class="type">void</span> on_clearButton_clicked() { sqlEdit<span class="operator">-</span><span class="operator">></span>clear(); sqlEdit<span class="operator">-</span><span class="operator">></span>setFocus(); } <span class="keyword">signals</span>: <span class="type">void</span> statusMessage(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> <span class="operator">&</span>message); }; <span class="keyword">class</span> CustomModel: <span class="keyword">public</span> <span class="type"><a href="qsqltablemodel.html">QSqlTableModel</a></span> { Q_OBJECT <span class="keyword">public</span>: <span class="keyword">explicit</span> CustomModel(<span class="type"><a href="../qtcore/qobject.html">QObject</a></span> <span class="operator">*</span>parent <span class="operator">=</span> nullptr<span class="operator">,</span> <span class="type"><a href="qsqldatabase.html">QSqlDatabase</a></span> db <span class="operator">=</span> <span class="type"><a href="qsqldatabase.html">QSqlDatabase</a></span>()) : <span class="type"><a href="qsqltablemodel.html">QSqlTableModel</a></span>(parent<span class="operator">,</span> db) {} <span class="type"><a href="../qtcore/qvariant.html">QVariant</a></span> data(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qmodelindex.html">QModelIndex</a></span> <span class="operator">&</span>idx<span class="operator">,</span> <span class="type">int</span> role) <span class="keyword">const</span> override { <span class="keyword">if</span> (role <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>BackgroundRole <span class="operator">&</span><span class="operator">&</span> isDirty(idx)) <span class="keyword">return</span> <span class="type">QBrush</span>(<span class="type">QColor</span>(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>yellow)); <span class="keyword">return</span> <span class="type"><a href="qsqltablemodel.html">QSqlTableModel</a></span><span class="operator">::</span>data(idx<span class="operator">,</span> role); } }; <span class="preprocessor">#endif</span> </pre> </div> <!-- @@@sqlbrowser/browser.h --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>