diff options
| author | Qt by Nokia <qt-info@nokia.com> | 2011-04-27 12:05:43 +0200 |
|---|---|---|
| committer | axis <qt-info@nokia.com> | 2011-04-27 12:05:43 +0200 |
| commit | 38be0d13830efd2d98281c645c3a60afe05ffece (patch) | |
| tree | 6ea73f3ec77f7d153333779883e8120f82820abe /examples/sql | |
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:
http://qt.gitorious.org/qt/pages/GitIntroductionWithQt
If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.
Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
Diffstat (limited to 'examples/sql')
48 files changed, 3364 insertions, 0 deletions
diff --git a/examples/sql/README b/examples/sql/README new file mode 100644 index 0000000000..56b4b3e11f --- /dev/null +++ b/examples/sql/README @@ -0,0 +1,40 @@ +Qt provides extensive database interoperability, with support for products +from both open source and proprietary vendors. + +SQL support is integrated with Qt's model/view architecture, making it easier +to provide GUI integration for your database applications. + + +The example launcher provided with Qt can be used to explore each of the +examples in this directory. + +Documentation for these examples can be found via the Tutorial and Examples +link in the main Qt documentation. + + +Finding the Qt Examples and Demos launcher +========================================== + +On Windows: + +The launcher can be accessed via the Windows Start menu. Select the menu +entry entitled "Qt Examples and Demos" entry in the submenu containing +the Qt tools. + +On Mac OS X: + +For the binary distribution, the qtdemo executable is installed in the +/Developer/Applications/Qt directory. For the source distribution, it is +installed alongside the other Qt tools on the path specified when Qt is +configured. + +On Unix/Linux: + +The qtdemo executable is installed alongside the other Qt tools on the path +specified when Qt is configured. + +On all platforms: + +The source code for the launcher can be found in the demos/qtdemo directory +in the Qt package. This example is built at the same time as the Qt libraries, +tools, examples, and demonstrations. diff --git a/examples/sql/cachedtable/cachedtable.pro b/examples/sql/cachedtable/cachedtable.pro new file mode 100644 index 0000000000..c03e7213f4 --- /dev/null +++ b/examples/sql/cachedtable/cachedtable.pro @@ -0,0 +1,13 @@ +HEADERS = ../connection.h \ + tableeditor.h +SOURCES = main.cpp \ + tableeditor.cpp +QT += sql + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/cachedtable +sources.files = $$SOURCES *.h $$RESOURCES $$FORMS cachedtable.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/cachedtable +INSTALLS += target sources + +symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) diff --git a/examples/sql/cachedtable/main.cpp b/examples/sql/cachedtable/main.cpp new file mode 100644 index 0000000000..26ddc42c54 --- /dev/null +++ b/examples/sql/cachedtable/main.cpp @@ -0,0 +1,57 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QApplication> + +#include "../connection.h" +#include "tableeditor.h" + +//! [0] +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + if (!createConnection()) + return 1; + + TableEditor editor("person"); + editor.show(); + return editor.exec(); +} +//! [0] diff --git a/examples/sql/cachedtable/tableeditor.cpp b/examples/sql/cachedtable/tableeditor.cpp new file mode 100644 index 0000000000..216f729d6f --- /dev/null +++ b/examples/sql/cachedtable/tableeditor.cpp @@ -0,0 +1,105 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include <QtSql> + +#include "tableeditor.h" + +//! [0] +TableEditor::TableEditor(const QString &tableName, QWidget *parent) + : QDialog(parent) +{ + model = new QSqlTableModel(this); + model->setTable(tableName); + model->setEditStrategy(QSqlTableModel::OnManualSubmit); + model->select(); + + model->setHeaderData(0, Qt::Horizontal, tr("ID")); + model->setHeaderData(1, Qt::Horizontal, tr("First name")); + model->setHeaderData(2, Qt::Horizontal, tr("Last name")); + +//! [0] //! [1] + QTableView *view = new QTableView; + view->setModel(model); +//! [1] + +//! [2] + submitButton = new QPushButton(tr("Submit")); + submitButton->setDefault(true); + revertButton = new QPushButton(tr("&Revert")); + quitButton = new QPushButton(tr("Quit")); + + buttonBox = new QDialogButtonBox(Qt::Vertical); + buttonBox->addButton(submitButton, QDialogButtonBox::ActionRole); + buttonBox->addButton(revertButton, QDialogButtonBox::ActionRole); + buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); +//! [2] + +//! [3] + connect(submitButton, SIGNAL(clicked()), this, SLOT(submit())); + connect(revertButton, SIGNAL(clicked()), model, SLOT(revertAll())); + connect(quitButton, SIGNAL(clicked()), this, SLOT(close())); +//! [3] + +//! [4] + QHBoxLayout *mainLayout = new QHBoxLayout; + mainLayout->addWidget(view); + mainLayout->addWidget(buttonBox); + setLayout(mainLayout); + + setWindowTitle(tr("Cached Table")); +} +//! [4] + +//! [5] +void TableEditor::submit() +{ + model->database().transaction(); + if (model->submitAll()) { + model->database().commit(); + } else { + model->database().rollback(); + QMessageBox::warning(this, tr("Cached Table"), + tr("The database reported an error: %1") + .arg(model->lastError().text())); + } +} +//! [5] diff --git a/examples/sql/cachedtable/tableeditor.h b/examples/sql/cachedtable/tableeditor.h new file mode 100644 index 0000000000..14d9986c63 --- /dev/null +++ b/examples/sql/cachedtable/tableeditor.h @@ -0,0 +1,72 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef TABLEEDITOR_H +#define TABLEEDITOR_H + +#include <QDialog> + +QT_BEGIN_NAMESPACE +class QDialogButtonBox; +class QPushButton; +class QSqlTableModel; +QT_END_NAMESPACE + +//! [0] +class TableEditor : public QDialog +{ + Q_OBJECT + +public: + TableEditor(const QString &tableName, QWidget *parent = 0); + +private slots: + void submit(); + +private: + QPushButton *submitButton; + QPushButton *revertButton; + QPushButton *quitButton; + QDialogButtonBox *buttonBox; + QSqlTableModel *model; +}; +//! [0] + +#endif diff --git a/examples/sql/connection.h b/examples/sql/connection.h new file mode 100644 index 0000000000..cd2d1d44b6 --- /dev/null +++ b/examples/sql/connection.h @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef CONNECTION_H +#define CONNECTION_H + +#include <QMessageBox> +#include <QSqlDatabase> +#include <QSqlError> +#include <QSqlQuery> + +/* + This file defines a helper function to open a connection to an + in-memory SQLITE database and to create a test table. + + If you want to use another database, simply modify the code + below. All the examples in this directory use this function to + connect to a database. +*/ +//! [0] +static bool createConnection() +{ + QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE"); + db.setDatabaseName(":memory:"); + if (!db.open()) { + QMessageBox::critical(0, qApp->tr("Cannot open database"), + qApp->tr("Unable to establish a database connection.\n" + "This example needs SQLite support. Please read " + "the Qt SQL driver documentation for information how " + "to build it.\n\n" + "Click Cancel to exit."), QMessageBox::Cancel); + return false; + } + + QSqlQuery query; + query.exec("create table person (id int primary key, " + "firstname varchar(20), lastname varchar(20))"); + query.exec("insert into person values(101, 'Danny', 'Young')"); + query.exec("insert into person values(102, 'Christine', 'Holand')"); + query.exec("insert into person values(103, 'Lars', 'Gordon')"); + query.exec("insert into person values(104, 'Roberto', 'Robitaille')"); + query.exec("insert into person values(105, 'Maria', 'Papadopoulos')"); + + query.exec("create table offices (id int primary key," + "imagefile int," + "location varchar(20)," + "country varchar(20)," + "description varchar(100))"); + query.exec("insert into offices " + "values(0, 0, 'Oslo', 'Norway'," + "'Oslo is home to more than 500 000 citizens and has a " + "lot to offer.It has been called \"The city with the big " + "heart\" and this is a nickname we are happy to live up to.')"); + query.exec("insert into offices " + "values(1, 1, 'Brisbane', 'Australia'," + "'Brisbane is the capital of Queensland, the Sunshine State, " + "where it is beautiful one day, perfect the next. " + "Brisbane is Australia''s 3rd largest city, being home " + "to almost 2 million people.')"); + query.exec("insert into offices " + "values(2, 2, 'Redwood City', 'US'," + "'You find Redwood City in the heart of the Bay Area " + "just north of Silicon Valley. The largest nearby city is " + "San Jose which is the third largest city in California " + "and the 10th largest in the US.')"); + query.exec("insert into offices " + "values(3, 3, 'Berlin', 'Germany'," + "'Berlin, the capital of Germany is dynamic, cosmopolitan " + "and creative, allowing for every kind of lifestyle. " + "East meets West in the metropolis at the heart of a " + "changing Europe.')"); + query.exec("insert into offices " + "values(4, 4, 'Munich', 'Germany'," + "'Several technology companies are represented in Munich, " + "and the city is often called the \"Bavarian Silicon Valley\". " + "The exciting city is also filled with culture, " + "art and music. ')"); + query.exec("insert into offices " + "values(5, 5, 'Beijing', 'China'," + "'Beijing as a capital city has more than 3000 years of " + "history. Today the city counts 12 million citizens, and " + "is the political, economic and cultural centre of China.')"); + + query.exec("create table images (locationid int, file varchar(20))"); + query.exec("insert into images values(0, 'images/oslo.png')"); + query.exec("insert into images values(1, 'images/brisbane.png')"); + query.exec("insert into images values(2, 'images/redwood.png')"); + query.exec("insert into images values(3, 'images/berlin.png')"); + query.exec("insert into images values(4, 'images/munich.png')"); + query.exec("insert into images values(5, 'images/beijing.png')"); + + + + return true; +} +//! [0] + +#endif diff --git a/examples/sql/drilldown/drilldown.pro b/examples/sql/drilldown/drilldown.pro new file mode 100644 index 0000000000..e3f05c2293 --- /dev/null +++ b/examples/sql/drilldown/drilldown.pro @@ -0,0 +1,21 @@ +HEADERS = ../connection.h \ + imageitem.h \ + informationwindow.h \ + view.h +RESOURCES = drilldown.qrc +SOURCES = imageitem.cpp \ + informationwindow.cpp \ + main.cpp \ + view.cpp +QT += sql + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/drilldown +sources.files = $$SOURCES *.h $$RESOURCES $$FORMS drilldown.pro *.png *.jpg images +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/drilldown +INSTALLS += target sources + +symbian { + TARGET.UID3 = 0xA000C612 + include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) +} diff --git a/examples/sql/drilldown/drilldown.qrc b/examples/sql/drilldown/drilldown.qrc new file mode 100644 index 0000000000..d2fb12295b --- /dev/null +++ b/examples/sql/drilldown/drilldown.qrc @@ -0,0 +1,11 @@ +<!DOCTYPE RCC><RCC version="1.0"> + <qresource> + <file>images/oslo.png</file> + <file>images/brisbane.png</file> + <file>images/redwood.png</file> + <file>images/berlin.png</file> + <file>images/munich.png</file> + <file>images/beijing.png</file> + <file>logo.png</file> + </qresource> +</RCC> diff --git a/examples/sql/drilldown/imageitem.cpp b/examples/sql/drilldown/imageitem.cpp new file mode 100644 index 0000000000..52dff716d5 --- /dev/null +++ b/examples/sql/drilldown/imageitem.cpp @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "imageitem.h" + +//! [0] +ImageItem::ImageItem(int id, const QPixmap &pixmap, QGraphicsItem *parent, + QGraphicsScene *scene) + : QGraphicsPixmapItem(pixmap, parent, scene) +{ + recordId = id; + setAcceptsHoverEvents(true); + + timeLine.setDuration(150); + timeLine.setFrameRange(0, 150); + + connect(&timeLine, SIGNAL(frameChanged(int)), this, SLOT(setFrame(int))); + connect(&timeLine, SIGNAL(finished()), this, SLOT(updateItemPosition())); + + adjust(); +} +//! [0] + +//! [1] +void ImageItem::hoverEnterEvent(QGraphicsSceneHoverEvent * /*event*/) +{ + timeLine.setDirection(QTimeLine::Forward); + + if (z != 1.0) { + z = 1.0; + updateItemPosition(); + } + + if (timeLine.state() == QTimeLine::NotRunning) + timeLine.start(); +} +//! [1] + +//! [2] +void ImageItem::hoverLeaveEvent(QGraphicsSceneHoverEvent * /*event*/) +{ + timeLine.setDirection(QTimeLine::Backward); + if (z != 0.0) + z = 0.0; + + if (timeLine.state() == QTimeLine::NotRunning) + timeLine.start(); +} +//! [2] + +//! [3] +void ImageItem::setFrame(int frame) +{ + adjust(); + QPointF center = boundingRect().center(); + + translate(center.x(), center.y()); + scale(1 + frame / 330.0, 1 + frame / 330.0); + translate(-center.x(), -center.y()); +} +//! [3] + +//! [4] +void ImageItem::adjust() +{ + QMatrix matrix; + matrix.scale(150/ boundingRect().width(), 120/ boundingRect().height()); + setMatrix(matrix); +} +//! [4] + +//! [5] +int ImageItem::id() +{ + return recordId; +} +//! [5] + +//! [6] +void ImageItem::updateItemPosition() +{ + setZValue(z); +} +//! [6] + + diff --git a/examples/sql/drilldown/imageitem.h b/examples/sql/drilldown/imageitem.h new file mode 100644 index 0000000000..13d99c3846 --- /dev/null +++ b/examples/sql/drilldown/imageitem.h @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef IMAGEITEM_H +#define IMAGEITEM_H + +#include <QtCore> +#include <QtGui/QGraphicsPixmapItem> + +//! [0] +class ImageItem : public QObject, public QGraphicsPixmapItem +{ + Q_OBJECT + +public: + ImageItem(int id, const QPixmap &pixmap, QGraphicsItem *parent = 0, + QGraphicsScene *scene = 0); + + void adjust(); + int id(); + +protected: + void hoverEnterEvent(QGraphicsSceneHoverEvent *event); + void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); + +private slots: + void setFrame(int frame); + void updateItemPosition(); + +private: + QTimeLine timeLine; + int recordId; + double z; +}; +//! [0] + +#endif diff --git a/examples/sql/drilldown/images/beijing.png b/examples/sql/drilldown/images/beijing.png Binary files differnew file mode 100644 index 0000000000..45df148506 --- /dev/null +++ b/examples/sql/drilldown/images/beijing.png diff --git a/examples/sql/drilldown/images/berlin.png b/examples/sql/drilldown/images/berlin.png Binary files differnew file mode 100644 index 0000000000..ead62f0421 --- /dev/null +++ b/examples/sql/drilldown/images/berlin.png diff --git a/examples/sql/drilldown/images/brisbane.png b/examples/sql/drilldown/images/brisbane.png Binary files differnew file mode 100644 index 0000000000..04fff57f9c --- /dev/null +++ b/examples/sql/drilldown/images/brisbane.png diff --git a/examples/sql/drilldown/images/munich.png b/examples/sql/drilldown/images/munich.png Binary files differnew file mode 100644 index 0000000000..741eb77b8d --- /dev/null +++ b/examples/sql/drilldown/images/munich.png diff --git a/examples/sql/drilldown/images/oslo.png b/examples/sql/drilldown/images/oslo.png Binary files differnew file mode 100644 index 0000000000..02fa25e5a0 --- /dev/null +++ b/examples/sql/drilldown/images/oslo.png diff --git a/examples/sql/drilldown/images/redwood.png b/examples/sql/drilldown/images/redwood.png Binary files differnew file mode 100644 index 0000000000..f39ac06578 --- /dev/null +++ b/examples/sql/drilldown/images/redwood.png diff --git a/examples/sql/drilldown/informationwindow.cpp b/examples/sql/drilldown/informationwindow.cpp new file mode 100644 index 0000000000..3f43a5901f --- /dev/null +++ b/examples/sql/drilldown/informationwindow.cpp @@ -0,0 +1,167 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "informationwindow.h" + +//! [0] +InformationWindow::InformationWindow(int id, QSqlRelationalTableModel *offices, + QWidget *parent) + : QDialog(parent) +{ +//! [0] //! [1] + QLabel *locationLabel = new QLabel(tr("Location: ")); + QLabel *countryLabel = new QLabel(tr("Country: ")); + QLabel *descriptionLabel = new QLabel(tr("Description: ")); + QLabel *imageFileLabel = new QLabel(tr("Image file: ")); + + createButtons(); + + locationText = new QLabel; + countryText = new QLabel; + descriptionEditor = new QTextEdit; +//! [1] + +//! [2] + imageFileEditor = new QComboBox; + imageFileEditor->setModel(offices->relationModel(1)); + imageFileEditor->setModelColumn(offices->relationModel(1)->fieldIndex("file")); +//! [2] + +//! [3] + mapper = new QDataWidgetMapper(this); + mapper->setModel(offices); + mapper->setSubmitPolicy(QDataWidgetMapper::ManualSubmit); + mapper->setItemDelegate(new QSqlRelationalDelegate(mapper)); + mapper->addMapping(imageFileEditor, 1); + mapper->addMapping(locationText, 2, "text"); + mapper->addMapping(countryText, 3, "text"); + mapper->addMapping(descriptionEditor, 4); + mapper->setCurrentIndex(id); +//! [3] + +//! [4] + connect(descriptionEditor, SIGNAL(textChanged()), + this, SLOT(enableButtons())); + connect(imageFileEditor, SIGNAL(currentIndexChanged(int)), + this, SLOT(enableButtons())); + + QFormLayout *formLayout = new QFormLayout; + formLayout->addRow(locationLabel, locationText); + formLayout->addRow(countryLabel, countryText); + formLayout->addRow(imageFileLabel, imageFileEditor); + formLayout->addRow(descriptionLabel, descriptionEditor); + + QVBoxLayout *layout = new QVBoxLayout; + layout->addLayout(formLayout); + layout->addWidget(buttonBox); + setLayout(layout); + + locationId = id; + displayedImage = imageFileEditor->currentText(); + + setWindowFlags(Qt::Window); + enableButtons(false); + setWindowTitle(tr("Office: %1").arg(locationText->text())); +} +//! [4] + +//! [5] +int InformationWindow::id() +{ + return locationId; +} +//! [5] + +//! [6] +void InformationWindow::revert() +{ + mapper->revert(); + enableButtons(false); +} +//! [6] + +//! [7] +void InformationWindow::submit() +{ + QString newImage(imageFileEditor->currentText()); + + if (displayedImage != newImage) { + displayedImage = newImage; + emit imageChanged(locationId, newImage); + } + + mapper->submit(); + mapper->setCurrentIndex(locationId); + + enableButtons(false); +} +//! [7] + +//! [8] +void InformationWindow::createButtons() +{ + closeButton = new QPushButton(tr("&Close")); + revertButton = new QPushButton(tr("&Revert")); + submitButton = new QPushButton(tr("&Submit")); + + closeButton->setDefault(true); + + connect(closeButton, SIGNAL(clicked()), this, SLOT(close())); + connect(revertButton, SIGNAL(clicked()), this, SLOT(revert())); + connect(submitButton, SIGNAL(clicked()), this, SLOT(submit())); +//! [8] + +//! [9] + buttonBox = new QDialogButtonBox(this); + buttonBox->addButton(submitButton, QDialogButtonBox::AcceptRole); + buttonBox->addButton(revertButton, QDialogButtonBox::ResetRole); + buttonBox->addButton(closeButton, QDialogButtonBox::RejectRole); +} +//! [9] + +//! [10] +void InformationWindow::enableButtons(bool enable) +{ + revertButton->setEnabled(enable); + submitButton->setEnabled(enable); +} +//! [10] + + diff --git a/examples/sql/drilldown/informationwindow.h b/examples/sql/drilldown/informationwindow.h new file mode 100644 index 0000000000..354823f152 --- /dev/null +++ b/examples/sql/drilldown/informationwindow.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef INFORMATIONWINDOW_H +#define INFORMATIONWINDOW_H + +#include <QtGui> +#include <QtSql> + +//! [0] +class InformationWindow : public QDialog +{ + Q_OBJECT + +public: + InformationWindow(int id, QSqlRelationalTableModel *offices, + QWidget *parent = 0); + + int id(); + +signals: + void imageChanged(int id, const QString &fileName); +//! [0] + +//! [1] +private slots: + void revert(); + void submit(); + void enableButtons(bool enable = true); +//! [1] + +//! [2] +private: + void createButtons(); + + int locationId; + QString displayedImage; + + QComboBox *imageFileEditor; + QLabel *locationText; + QLabel *countryText; + QTextEdit *descriptionEditor; + + QPushButton *closeButton; + QPushButton *submitButton; + QPushButton *revertButton; + QDialogButtonBox *buttonBox; + + QDataWidgetMapper *mapper; +}; +//! [2] + +#endif diff --git a/examples/sql/drilldown/logo.png b/examples/sql/drilldown/logo.png Binary files differnew file mode 100644 index 0000000000..4b1d235488 --- /dev/null +++ b/examples/sql/drilldown/logo.png diff --git a/examples/sql/drilldown/main.cpp b/examples/sql/drilldown/main.cpp new file mode 100644 index 0000000000..e3c8fa7cce --- /dev/null +++ b/examples/sql/drilldown/main.cpp @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "../connection.h" +#include "view.h" + +int main(int argc, char *argv[]) +{ + Q_INIT_RESOURCE(drilldown); + + QApplication app(argc, argv); + + if (!createConnection()) + return 1; + + View view("offices", "images"); +#ifndef Q_OS_SYMBIAN + view.show(); +#else + view.showFullScreen(); +#endif +#ifdef QT_KEYPAD_NAVIGATION + QApplication::setNavigationMode(Qt::NavigationModeCursorAuto); +#endif + return app.exec(); +} diff --git a/examples/sql/drilldown/view.cpp b/examples/sql/drilldown/view.cpp new file mode 100644 index 0000000000..68fe06a8e2 --- /dev/null +++ b/examples/sql/drilldown/view.cpp @@ -0,0 +1,191 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "informationwindow.h" +#include "imageitem.h" +#include "view.h" + +//! [0] +View::View(const QString &offices, const QString &images, QWidget *parent) + : QGraphicsView(parent) +{ + officeTable = new QSqlRelationalTableModel(this); + officeTable->setTable(offices); + officeTable->setRelation(1, QSqlRelation(images, "locationid", "file")); + officeTable->select(); +//! [0] + +//! [1] + scene = new QGraphicsScene(this); + scene->setSceneRect(0, 0, 465, 615); + setScene(scene); + + addItems(); + + QGraphicsPixmapItem *logo = scene->addPixmap(QPixmap(":/logo.png")); + logo->setPos(30, 515); + +#ifndef Q_OS_SYMBIAN + setMinimumSize(470, 620); + setMaximumSize(470, 620); +#else + setDragMode(QGraphicsView::ScrollHandDrag); +#endif + + setWindowTitle(tr("Offices World Wide")); +} +//! [1] + +//! [3] +void View::addItems() +{ + int officeCount = officeTable->rowCount(); + + int imageOffset = 150; + int leftMargin = 70; + int topMargin = 40; + + for (int i = 0; i < officeCount; i++) { + ImageItem *image; + QGraphicsTextItem *label; + QSqlRecord record = officeTable->record(i); + + int id = record.value("id").toInt(); + QString file = record.value("file").toString(); + QString location = record.value("location").toString(); + + int columnOffset = ((i / 3) * 37); + int x = ((i / 3) * imageOffset) + leftMargin + columnOffset; + int y = ((i % 3) * imageOffset) + topMargin; + + image = new ImageItem(id, QPixmap(":/" + file)); + image->setData(0, i); + image->setPos(x, y); + scene->addItem(image); + + label = scene->addText(location); + QPointF labelOffset((150 - label->boundingRect().width()) / 2, 120.0); + label->setPos(QPointF(x, y) + labelOffset); + } +} +//! [3] + +//! [5] +void View::mouseReleaseEvent(QMouseEvent *event) +{ + if (QGraphicsItem *item = itemAt(event->pos())) { + if (ImageItem *image = qgraphicsitem_cast<ImageItem *>(item)) + showInformation(image); + } + QGraphicsView::mouseReleaseEvent(event); +} +//! [5] + +//! [6] +void View::showInformation(ImageItem *image) +{ + int id = image->id(); + if (id < 0 || id >= officeTable->rowCount()) + return; + + InformationWindow *window = findWindow(id); + if (window && window->isVisible()) { + window->raise(); + window->activateWindow(); + } else if (window && !window->isVisible()) { +#ifndef Q_OS_SYMBIAN + window->show(); +#else + window->showMaximized(); +#endif + } else { + InformationWindow *window; + window = new InformationWindow(id, officeTable, this); + + connect(window, SIGNAL(imageChanged(int,QString)), + this, SLOT(updateImage(int,QString))); + +#ifndef Q_OS_SYMBIAN + window->move(pos() + QPoint(20, 40)); + window->show(); +#else + window->showMaximized(); +#endif + informationWindows.append(window); + } +} +//! [6] + +//! [7] +void View::updateImage(int id, const QString &fileName) +{ + QList<QGraphicsItem *> items = scene->items(); + + while(!items.empty()) { + QGraphicsItem *item = items.takeFirst(); + + if (ImageItem *image = qgraphicsitem_cast<ImageItem *>(item)) { + if (image->id() == id){ + image->setPixmap(QPixmap(":/" +fileName)); + image->adjust(); + break; + } + } + } +} +//! [7] + +//! [8] +InformationWindow* View::findWindow(int id) +{ + QList<InformationWindow*>::iterator i, beginning, end; + + beginning = informationWindows.begin(); + end = informationWindows.end(); + + for (i = beginning; i != end; ++i) { + InformationWindow *window = (*i); + if (window && (window->id() == id)) + return window; + } + return 0; +} +//! [8] + diff --git a/examples/sql/drilldown/view.h b/examples/sql/drilldown/view.h new file mode 100644 index 0000000000..3efe6bb8ce --- /dev/null +++ b/examples/sql/drilldown/view.h @@ -0,0 +1,80 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef VIEW_H +#define VIEW_H + +#include <QtGui> +#include <QtSql> + +class ImageItem; +class InformationWindow; + +//! [0] +class View : public QGraphicsView +{ + Q_OBJECT + +public: + View(const QString &offices, const QString &images, QWidget *parent = 0); + +protected: + void mouseReleaseEvent(QMouseEvent *event); +//! [0] + +//! [1] +private slots: + void updateImage(int id, const QString &fileName); +//! [1] + +//! [2] +private: + void addItems(); + InformationWindow* findWindow(int id); + void showInformation(ImageItem *image); + + QGraphicsScene *scene; + QList<InformationWindow *> informationWindows; +//! [2] //! [3] + QSqlRelationalTableModel *officeTable; +}; +//! [3] + +#endif diff --git a/examples/sql/masterdetail/albumdetails.xml b/examples/sql/masterdetail/albumdetails.xml new file mode 100644 index 0000000000..aacbdac81d --- /dev/null +++ b/examples/sql/masterdetail/albumdetails.xml @@ -0,0 +1,98 @@ + <archive> + <album id="1" > + <track number="01" >Humming one of your songs</track> + <track number="02" >Are they saying goodbye</track> + <track number="03" >On off</track> + <track number="04" >I shot my heart</track> + <track number="05" >Drowning in Those Eyes</track> + <track number="06" >So you did it again</track> + <track number="07" >One more time</track> + <track number="08" >Headphone silence</track> + <track number="09" >What I want</track> + <track number="10" >Sleeping by the Fyris River</track> + <track number="11" >Wooden Body</track> + <track number="12" >Humming one of your songs (encore)</track> + </album> + <album id="2" > + <track number="01" >To let myself go</track> + <track number="02" >Rubber and Soul</track> + <track number="03" >Balloon ranger</track> + <track number="04" >My lover will go</track> + <track number="05" >Temporary dive</track> + <track number="06" >Laid in earth</track> + <track number="07" >This voice</track> + <track number="08" >Where friend rhymes with end</track> + <track number="09" >Song No.6 feat Ron Sexsmith</track> + <track number="10" >The Fight Song</track> + </album> + <album id="3" > + <track number="01" >From Grace</track> + <track number="02" >All's not last</track> + <track number="03" >That Great October Sound</track> + <track number="04" >Life Here Is Gold</track> + <track number="05" >Tomorrow Stays The Same</track> + <track number="06" >Postulate</track> + <track number="07" >Adelaide</track> + <track number="08" >John Wayne</track> + <track number="09" >Love's Lost</track> + <track number="10" >Dreamweaver</track> + <track number="11" >Outro</track> + </album> + <album id="4" > + <track number="01" >Rain down on me</track> + <track number="02" >Cecilia</track> + <track number="03" >Make a mess of yourself</track> + <track number="04" >Pale green eyes</track> + <track number="05" >Either way I'm gone</track> + <track number="06" >Honey</track> + <track number="07" >Rise in shame</track> + <track number="08" >Stray dogs</track> + <track number="09" >The willow</track> + <track number="10" >Stay home</track> + <track number="11" >Outro</track> + </album> + <album id="5" > + </album> + <album id="6" > + <track number="01" >Kontroll på kontinentet</track> + <track number="02" >Ompa til du dør</track> + <track number="03" >Bøn fra helvete</track> + <track number="04" >170</track> + <track number="05" >Rullett</track> + <track number="06" >Dr. Mowinckel</track> + <track number="07" >Fra sjåfør til passasjer</track> + <track number="08" >Resistansen</track> + <track number="09" >Dekk bord</track> + <track number="10" >Bak et halleluja</track> + <track number="11" >Bris</track> + <track number="12" >Mr. Kaizer, hans Constanze og meg</track> + </album> + <album id="7" > + <track number="01" >Di grind</track> + <track number="02" >Hevnervals</track> + <track number="03" >Evig pint</track> + <track number="04" >De involverte</track> + <track number="05" >Djevelens orkester</track> + <track number="06" >Container</track> + <track number="07" >Naade</track> + <track number="08" >Min kvite russer</track> + <track number="09" >Veterans klage</track> + <track number="10" >Til depotet</track> + <track number="11" >Salt og pepper</track> + <track number="12" >Drøm Hardt (Requiem Part I)</track> + </album> + <album id="8" > + <track number="01" >KGB</track> + <track number="02" >Maestro</track> + <track number="03" >Knekker deg til sist</track> + <track number="04" >Senor Flamingos Adieu</track> + <track number="05" >Blitzregn baby</track> + <track number="06" >Dieter Meyers Inst.</track> + <track number="07" >Christiania</track> + <track number="08" >Delikatessen</track> + <track number="09" >Jævel av en tango</track> + <track number="10" >Papa har lov</track> + <track number="11" >Auksjon (i Dieter Meyers hall)</track> + <track number="12" >På ditt skift</track> + </album> + </archive> diff --git a/examples/sql/masterdetail/database.h b/examples/sql/masterdetail/database.h new file mode 100644 index 0000000000..ab9a8ff2d6 --- /dev/null +++ b/examples/sql/masterdetail/database.h @@ -0,0 +1,96 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef DATABASE_H +#define DATABASE_H + +#include <QMessageBox> +#include <QSqlDatabase> +#include <QSqlError> +#include <QSqlQuery> + +static bool createConnection() +{ + QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE"); + db.setDatabaseName(":memory:"); + if (!db.open()) { + QMessageBox::critical(0, qApp->tr("Cannot open database"), + qApp->tr("Unable to establish a database connection.\n" + "This example needs SQLite support. Please read " + "the Qt SQL driver documentation for information how " + "to build it.\n\n" + "Click Cancel to exit."), QMessageBox::Cancel); + return false; + } + + QSqlQuery query; + + query.exec("create table artists (id int primary key, " + "artist varchar(40), " + "albumcount int)"); + + query.exec("insert into artists values(0, '<all>', 0)"); + query.exec("insert into artists values(1, 'Ane Brun', 2)"); + query.exec("insert into artists values(2, 'Thomas Dybdahl', 3)"); + query.exec("insert into artists values(3, 'Kaizers Orchestra', 3)"); + + query.exec("create table albums (albumid int primary key, " + "title varchar(50), " + "artistid int, " + "year int)"); + + query.exec("insert into albums values(1, 'Spending Time With Morgan', 1, " + "2003)"); + query.exec("insert into albums values(2, 'A Temporary Dive', 1, 2005)"); + query.exec("insert into albums values(3, '...The Great October Sound', 2, " + "2002)"); + query.exec("insert into albums values(4, 'Stray Dogs', 2, 2003)"); + query.exec("insert into albums values(5, " + "'One day you`ll dance for me, New York City', 2, 2004)"); + query.exec("insert into albums values(6, 'Ompa Til Du D\xf8r', 3, 2001)"); + query.exec("insert into albums values(7, 'Evig Pint', 3, 2002)"); + query.exec("insert into albums values(8, 'Maestro', 3, 2005)"); + + return true; +} + +#endif + + diff --git a/examples/sql/masterdetail/dialog.cpp b/examples/sql/masterdetail/dialog.cpp new file mode 100644 index 0000000000..9dc0fe14e3 --- /dev/null +++ b/examples/sql/masterdetail/dialog.cpp @@ -0,0 +1,282 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "dialog.h" + +int uniqueAlbumId; +int uniqueArtistId; + +Dialog::Dialog(QSqlRelationalTableModel *albums, QDomDocument details, + QFile *output, QWidget *parent) + : QDialog(parent) +{ + model = albums; + albumDetails = details; + outputFile = output; + + QGroupBox *inputWidgetBox = createInputWidgets(); + QDialogButtonBox *buttonBox = createButtons(); + + QVBoxLayout *layout = new QVBoxLayout; + layout->addWidget(inputWidgetBox); + layout->addWidget(buttonBox); + setLayout(layout); + + setWindowTitle(tr("Add Album")); +} + +void Dialog::submit() +{ + QString artist = artistEditor->text(); + QString title = titleEditor->text(); + + if (artist.isEmpty() || title.isEmpty()) { + QString message(tr("Please provide both the name of the artist " + "and the title of the album.")); + QMessageBox::information(this, tr("Add Album"), message); + } else { + int artistId = findArtistId(artist); + int albumId = addNewAlbum(title, artistId); + + QStringList tracks; + tracks = tracksEditor->text().split(',', QString::SkipEmptyParts); + addTracks(albumId, tracks); + + increaseAlbumCount(indexOfArtist(artist)); + accept(); + } +} + +int Dialog::findArtistId(const QString &artist) +{ + QSqlTableModel *artistModel = model->relationModel(2); + int row = 0; + + while (row < artistModel->rowCount()) { + QSqlRecord record = artistModel->record(row); + if (record.value("artist") == artist) + return record.value("id").toInt(); + else + row++; + } + return addNewArtist(artist); +} + + +int Dialog::addNewArtist(const QString &name) +{ + QSqlTableModel *artistModel = model->relationModel(2); + QSqlRecord record; + + int id = generateArtistId(); + + QSqlField f1("id", QVariant::Int); + QSqlField f2("artist", QVariant::String); + QSqlField f3("albumcount", QVariant::Int); + + f1.setValue(QVariant(id)); + f2.setValue(QVariant(name)); + f3.setValue(QVariant(0)); + record.append(f1); + record.append(f2); + record.append(f3); + + artistModel->insertRecord(-1, record); + return id; +} + +int Dialog::addNewAlbum(const QString &title, int artistId) +{ + int id = generateAlbumId(); + QSqlRecord record; + + QSqlField f1("albumid", QVariant::Int); + QSqlField f2("title", QVariant::String); + QSqlField f3("artistid", QVariant::Int); + QSqlField f4("year", QVariant::Int); + + f1.setValue(QVariant(id)); + f2.setValue(QVariant(title)); + f3.setValue(QVariant(artistId)); + f4.setValue(QVariant(yearEditor->value())); + record.append(f1); + record.append(f2); + record.append(f3); + record.append(f4); + + model->insertRecord(-1, record); + return id; +} + +void Dialog::addTracks(int albumId, QStringList tracks) +{ + QDomElement albumNode = albumDetails.createElement("album"); + albumNode.setAttribute("id", albumId); + + for (int i = 0; i < tracks.count(); i++) { + QString trackNumber = QString::number(i); + if (i < 10) + trackNumber.prepend("0"); + + QDomText textNode = albumDetails.createTextNode(tracks.at(i)); + + QDomElement trackNode = albumDetails.createElement("track"); + trackNode.setAttribute("number", trackNumber); + trackNode.appendChild(textNode); + + albumNode.appendChild(trackNode); + } + + QDomNodeList archive = albumDetails.elementsByTagName("archive"); + archive.item(0).appendChild(albumNode); + +/* + The following code is commented out since the example uses an in + memory database, i.e., altering the XML file will bring the data + out of sync. + + if (!outputFile->open(QIODevice::WriteOnly)) { + return; + } else { + QTextStream stream(outputFile); + archive.item(0).save(stream, 4); + outputFile->close(); + } +*/ +} + +void Dialog::increaseAlbumCount(QModelIndex artistIndex) +{ + QSqlTableModel *artistModel = model->relationModel(2); + + QModelIndex albumCountIndex; + albumCountIndex = artistIndex.sibling(artistIndex.row(), 2); + + int albumCount = albumCountIndex.data().toInt(); + artistModel->setData(albumCountIndex, QVariant(albumCount + 1)); +} + + +void Dialog::revert() +{ + artistEditor->clear(); + titleEditor->clear(); + yearEditor->setValue(QDate::currentDate().year()); + tracksEditor->clear(); +} + +QGroupBox *Dialog::createInputWidgets() +{ + QGroupBox *box = new QGroupBox(tr("Add Album")); + + QLabel *artistLabel = new QLabel(tr("Artist:")); + QLabel *titleLabel = new QLabel(tr("Title:")); + QLabel *yearLabel = new QLabel(tr("Year:")); + QLabel *tracksLabel = new QLabel(tr("Tracks (separated by comma):")); + + artistEditor = new QLineEdit; + titleEditor = new QLineEdit; + + yearEditor = new QSpinBox; + yearEditor->setMinimum(1900); + yearEditor->setMaximum(QDate::currentDate().year()); + yearEditor->setValue(yearEditor->maximum()); + yearEditor->setReadOnly(false); + + tracksEditor = new QLineEdit; + + QGridLayout *layout = new QGridLayout; + layout->addWidget(artistLabel, 0, 0); + layout->addWidget(artistEditor, 0, 1); + layout->addWidget(titleLabel, 1, 0); + layout->addWidget(titleEditor, 1, 1); + layout->addWidget(yearLabel, 2, 0); + layout->addWidget(yearEditor, 2, 1); + layout->addWidget(tracksLabel, 3, 0, 1, 2); + layout->addWidget(tracksEditor, 4, 0, 1, 2); + box->setLayout(layout); + + return box; +} + +QDialogButtonBox *Dialog::createButtons() +{ + QPushButton *closeButton = new QPushButton(tr("&Close")); + QPushButton *revertButton = new QPushButton(tr("&Revert")); + QPushButton *submitButton = new QPushButton(tr("&Submit")); + + closeButton->setDefault(true); + + connect(closeButton, SIGNAL(clicked()), this, SLOT(close())); + connect(revertButton, SIGNAL(clicked()), this, SLOT(revert())); + connect(submitButton, SIGNAL(clicked()), this, SLOT(submit())); + + QDialogButtonBox *buttonBox = new QDialogButtonBox; + buttonBox->addButton(submitButton, QDialogButtonBox::ResetRole); + buttonBox->addButton(revertButton, QDialogButtonBox::ResetRole); + buttonBox->addButton(closeButton, QDialogButtonBox::RejectRole); + + return buttonBox; +} + +QModelIndex Dialog::indexOfArtist(const QString &artist) +{ + QSqlTableModel *artistModel = model->relationModel(2); + + for (int i = 0; i < artistModel->rowCount(); i++) { + QSqlRecord record = artistModel->record(i); + if (record.value("artist") == artist) + return artistModel->index(i, 1); + } + + return QModelIndex(); +} + +int Dialog::generateArtistId() +{ + uniqueArtistId += 1; + return uniqueArtistId; +} + +int Dialog::generateAlbumId() +{ + uniqueAlbumId += 1; + return uniqueAlbumId; +} diff --git a/examples/sql/masterdetail/dialog.h b/examples/sql/masterdetail/dialog.h new file mode 100644 index 0000000000..5495a115b3 --- /dev/null +++ b/examples/sql/masterdetail/dialog.h @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef DIALOG_H +#define DIALOG_H + +#include <QtGui> +#include <QtSql> +#include <QtXml> + +class Dialog : public QDialog +{ + Q_OBJECT + +public: + Dialog(QSqlRelationalTableModel *albums, QDomDocument details, + QFile *output, QWidget *parent = 0); + +private slots: + void revert(); + void submit(); + +private: + int addNewAlbum(const QString &title, int artistId); + int addNewArtist(const QString &name); + void addTracks(int albumId, QStringList tracks); + QDialogButtonBox *createButtons(); + QGroupBox *createInputWidgets(); + int findArtistId(const QString &artist); + int generateAlbumId(); + int generateArtistId(); + void increaseAlbumCount(QModelIndex artistIndex); + QModelIndex indexOfArtist(const QString &artist); + + QSqlRelationalTableModel *model; + QDomDocument albumDetails; + QFile *outputFile; + + QLineEdit *artistEditor; + QLineEdit *titleEditor; + QSpinBox *yearEditor; + QLineEdit *tracksEditor; +}; + +#endif diff --git a/examples/sql/masterdetail/images/icon.png b/examples/sql/masterdetail/images/icon.png Binary files differnew file mode 100644 index 0000000000..31f68b8eb5 --- /dev/null +++ b/examples/sql/masterdetail/images/icon.png diff --git a/examples/sql/masterdetail/images/image.png b/examples/sql/masterdetail/images/image.png Binary files differnew file mode 100644 index 0000000000..1d7803746b --- /dev/null +++ b/examples/sql/masterdetail/images/image.png diff --git a/examples/sql/masterdetail/main.cpp b/examples/sql/masterdetail/main.cpp new file mode 100644 index 0000000000..fe3dd9db50 --- /dev/null +++ b/examples/sql/masterdetail/main.cpp @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "database.h" +#include "mainwindow.h" + +int main(int argc, char *argv[]) +{ + Q_INIT_RESOURCE(masterdetail); + + QApplication app(argc, argv); + + if (!createConnection()) + return 1; + + QFile *albumDetails = new QFile("albumdetails.xml"); + MainWindow window("artists", "albums", albumDetails); + window.show(); + return app.exec(); +} diff --git a/examples/sql/masterdetail/mainwindow.cpp b/examples/sql/masterdetail/mainwindow.cpp new file mode 100644 index 0000000000..24771bad09 --- /dev/null +++ b/examples/sql/masterdetail/mainwindow.cpp @@ -0,0 +1,429 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "mainwindow.h" +#include "dialog.h" + +#include <QtGui> +#include <QtSql> +#include <QtXml> + +extern int uniqueAlbumId; +extern int uniqueArtistId; + +MainWindow::MainWindow(const QString &artistTable, const QString &albumTable, + QFile *albumDetails, QWidget *parent) + : QMainWindow(parent) +{ + file = albumDetails; + readAlbumData(); + + model = new QSqlRelationalTableModel(this); + model->setTable(albumTable); + model->setRelation(2, QSqlRelation(artistTable, "id", "artist")); + model->select(); + + QGroupBox *artists = createArtistGroupBox(); + QGroupBox *albums = createAlbumGroupBox(); + QGroupBox *details = createDetailsGroupBox(); + + artistView->setCurrentIndex(0); + uniqueAlbumId = model->rowCount(); + uniqueArtistId = artistView->count(); + + connect(model, SIGNAL(rowsInserted(QModelIndex,int,int)), + this, SLOT(updateHeader(QModelIndex,int,int))); + connect(model, SIGNAL(rowsRemoved(QModelIndex,int,int)), + this, SLOT(updateHeader(QModelIndex,int,int))); + + QGridLayout *layout = new QGridLayout; + layout->addWidget(artists, 0, 0); + layout->addWidget(albums, 1, 0); + layout->addWidget(details, 0, 1, 2, 1); + layout->setColumnStretch(1, 1); + layout->setColumnMinimumWidth(0, 500); + + QWidget *widget = new QWidget; + widget->setLayout(layout); + setCentralWidget(widget); + createMenuBar(); + + showImageLabel(); + resize(850, 400); + setWindowTitle(tr("Music Archive")); +} + +void MainWindow::changeArtist(int row) +{ + if (row > 0) { + QModelIndex index = model->relationModel(2)->index(row, 1); + model->setFilter("artist = '" + index.data().toString() + '\'') ; + showArtistProfile(index); + } else if (row == 0) { + model->setFilter(QString()); + showImageLabel(); + } else { + return; + } +} + +void MainWindow::showArtistProfile(QModelIndex index) +{ + QSqlRecord record = model->relationModel(2)->record(index.row()); + + QString name = record.value("artist").toString(); + QString count = record.value("albumcount").toString(); + profileLabel->setText(tr("Artist : %1 \n" \ + "Number of Albums: %2").arg(name).arg(count)); + + profileLabel->show(); + iconLabel->show(); + + titleLabel->hide(); + trackList->hide(); + imageLabel->hide(); +} + +void MainWindow::showAlbumDetails(QModelIndex index) +{ + QSqlRecord record = model->record(index.row()); + + QString artist = record.value("artist").toString(); + QString title = record.value("title").toString(); + QString year = record.value("year").toString(); + QString albumId = record.value("albumid").toString(); + + showArtistProfile(indexOfArtist(artist)); + titleLabel->setText(tr("Title: %1 (%2)").arg(title).arg(year)); + titleLabel->show(); + + QDomNodeList albums = albumData.elementsByTagName("album"); + for (int i = 0; i < albums.count(); i++) { + QDomNode album = albums.item(i); + if (album.toElement().attribute("id") == albumId) { + getTrackList(album.toElement()); + break; + } + } + if (!trackList->count() == 0) + trackList->show(); +} + +void MainWindow::getTrackList(QDomNode album) +{ + trackList->clear(); + + QDomNodeList tracks = album.childNodes(); + QDomNode track; + QString trackNumber; + + for (int j = 0; j < tracks.count(); j++) { + + track = tracks.item(j); + trackNumber = track.toElement().attribute("number"); + + QListWidgetItem *item = new QListWidgetItem(trackList); + item->setText(trackNumber + ": " + track.toElement().text()); + } +} + +void MainWindow::addAlbum() +{ + Dialog *dialog = new Dialog(model, albumData, file, this); + int accepted = dialog->exec(); + + if (accepted == 1) { + int lastRow = model->rowCount() - 1; + albumView->selectRow(lastRow); + albumView->scrollToBottom(); + showAlbumDetails(model->index(lastRow, 0)); + } +} + +void MainWindow::deleteAlbum() +{ + QModelIndexList selection = albumView->selectionModel()->selectedRows(0); + + if (!selection.empty()) { + QModelIndex idIndex = selection.at(0); + int id = idIndex.data().toInt(); + QString title = idIndex.sibling(idIndex.row(), 1).data().toString(); + QString artist = idIndex.sibling(idIndex.row(), 2).data().toString(); + + QMessageBox::StandardButton button; + button = QMessageBox::question(this, tr("Delete Album"), + tr("Are you sure you want to " + "delete '%1' by '%2'?") + .arg(title, artist), + QMessageBox::Yes | QMessageBox::No); + + if (button == QMessageBox::Yes) { + removeAlbumFromFile(id); + removeAlbumFromDatabase(idIndex); + decreaseAlbumCount(indexOfArtist(artist)); + + showImageLabel(); + } + } else { + QMessageBox::information(this, tr("Delete Album"), + tr("Select the album you want to delete.")); + } +} + +void MainWindow::removeAlbumFromFile(int id) +{ + + QDomNodeList albums = albumData.elementsByTagName("album"); + + for (int i = 0; i < albums.count(); i++) { + QDomNode node = albums.item(i); + if (node.toElement().attribute("id").toInt() == id) { + albumData.elementsByTagName("archive").item(0).removeChild(node); + break; + } + } +/* + The following code is commented out since the example uses an in + memory database, i.e., altering the XML file will bring the data + out of sync. + + if (!file->open(QIODevice::WriteOnly)) { + return; + } else { + QTextStream stream(file); + albumData.elementsByTagName("archive").item(0).save(stream, 4); + file->close(); + } +*/ +} + +void MainWindow::removeAlbumFromDatabase(QModelIndex index) +{ + model->removeRow(index.row()); +} + +void MainWindow::decreaseAlbumCount(QModelIndex artistIndex) +{ + int row = artistIndex.row(); + QModelIndex albumCountIndex = artistIndex.sibling(row, 2); + int albumCount = albumCountIndex.data().toInt(); + + QSqlTableModel *artists = model->relationModel(2); + + if (albumCount == 1) { + artists->removeRow(row); + showImageLabel(); + } else { + artists->setData(albumCountIndex, QVariant(albumCount - 1)); + } +} + +void MainWindow::readAlbumData() +{ + if (!file->open(QIODevice::ReadOnly)) + return; + + if (!albumData.setContent(file)) { + file->close(); + return; + } + file->close(); +} + +QGroupBox* MainWindow::createArtistGroupBox() +{ + artistView = new QComboBox; + artistView->setModel(model->relationModel(2)); + artistView->setModelColumn(1); + + connect(artistView, SIGNAL(currentIndexChanged(int)), + this, SLOT(changeArtist(int))); + + QGroupBox *box = new QGroupBox(tr("Artist")); + + QGridLayout *layout = new QGridLayout; + layout->addWidget(artistView, 0, 0); + box->setLayout(layout); + + return box; +} + +QGroupBox* MainWindow::createAlbumGroupBox() +{ + QGroupBox *box = new QGroupBox(tr("Album")); + + albumView = new QTableView; + albumView->setEditTriggers(QAbstractItemView::NoEditTriggers); + albumView->setSortingEnabled(true); + albumView->setSelectionBehavior(QAbstractItemView::SelectRows); + albumView->setSelectionMode(QAbstractItemView::SingleSelection); + albumView->setShowGrid(false); + albumView->verticalHeader()->hide(); + albumView->setAlternatingRowColors(true); + albumView->setModel(model); + adjustHeader(); + + QLocale locale = albumView->locale(); + locale.setNumberOptions(QLocale::OmitGroupSeparator); + albumView->setLocale(locale); + + connect(albumView, SIGNAL(clicked(QModelIndex)), + this, SLOT(showAlbumDetails(QModelIndex))); + connect(albumView, SIGNAL(activated(QModelIndex)), + this, SLOT(showAlbumDetails(QModelIndex))); + + QVBoxLayout *layout = new QVBoxLayout; + layout->addWidget(albumView, 0, 0); + box->setLayout(layout); + + return box; +} + +QGroupBox* MainWindow::createDetailsGroupBox() +{ + QGroupBox *box = new QGroupBox(tr("Details")); + + profileLabel = new QLabel; + profileLabel->setWordWrap(true); + profileLabel->setAlignment(Qt::AlignBottom); + + titleLabel = new QLabel; + titleLabel->setWordWrap(true); + titleLabel->setAlignment(Qt::AlignBottom); + + iconLabel = new QLabel(); + iconLabel->setAlignment(Qt::AlignBottom | Qt::AlignRight); + iconLabel->setPixmap(QPixmap(":/images/icon.png")); + + imageLabel = new QLabel; + imageLabel->setWordWrap(true); + imageLabel->setAlignment(Qt::AlignCenter); + imageLabel->setPixmap(QPixmap(":/images/image.png")); + + trackList = new QListWidget; + + QGridLayout *layout = new QGridLayout; + layout->addWidget(imageLabel, 0, 0, 3, 2); + layout->addWidget(profileLabel, 0, 0); + layout->addWidget(iconLabel, 0, 1); + layout->addWidget(titleLabel, 1, 0, 1, 2); + layout->addWidget(trackList, 2, 0, 1, 2); + layout->setRowStretch(2, 1); + box->setLayout(layout); + + return box; +} + +void MainWindow::createMenuBar() +{ + QAction *addAction = new QAction(tr("&Add album..."), this); + QAction *deleteAction = new QAction(tr("&Delete album..."), this); + QAction *quitAction = new QAction(tr("&Quit"), this); + QAction *aboutAction = new QAction(tr("&About"), this); + QAction *aboutQtAction = new QAction(tr("About &Qt"), this); + + addAction->setShortcut(tr("Ctrl+A")); + deleteAction->setShortcut(tr("Ctrl+D")); + quitAction->setShortcuts(QKeySequence::Quit); + + QMenu *fileMenu = menuBar()->addMenu(tr("&File")); + fileMenu->addAction(addAction); + fileMenu->addAction(deleteAction); + fileMenu->addSeparator(); + fileMenu->addAction(quitAction); + + QMenu *helpMenu = menuBar()->addMenu(tr("&Help")); + helpMenu->addAction(aboutAction); + helpMenu->addAction(aboutQtAction); + + connect(addAction, SIGNAL(triggered(bool)), this, SLOT(addAlbum())); + connect(deleteAction, SIGNAL(triggered(bool)), this, SLOT(deleteAlbum())); + connect(quitAction, SIGNAL(triggered(bool)), this, SLOT(close())); + connect(aboutAction, SIGNAL(triggered(bool)), this, SLOT(about())); + connect(aboutQtAction, SIGNAL(triggered(bool)), qApp, SLOT(aboutQt())); +} + +void MainWindow::showImageLabel() +{ + profileLabel->hide(); + titleLabel->hide(); + iconLabel->hide(); + trackList->hide(); + + imageLabel->show(); +} + +QModelIndex MainWindow::indexOfArtist(const QString &artist) +{ + QSqlTableModel *artistModel = model->relationModel(2); + + for (int i = 0; i < artistModel->rowCount(); i++) { + QSqlRecord record = artistModel->record(i); + if (record.value("artist") == artist) + return artistModel->index(i, 1); + } + return QModelIndex(); +} + +void MainWindow::updateHeader(QModelIndex, int, int) +{ + adjustHeader(); +} + +void MainWindow::adjustHeader() +{ + albumView->hideColumn(0); + albumView->horizontalHeader()->setResizeMode(1, QHeaderView::Stretch); + albumView->resizeColumnToContents(2); + albumView->resizeColumnToContents(3); +} + +void MainWindow::about() +{ + QMessageBox::about(this, tr("About Music Archive"), + tr("<p>The <b>Music Archive</b> example shows how to present " + "data from different data sources in the same application. " + "The album titles, and the corresponding artists and release dates, " + "are kept in a database, while each album's tracks are stored " + "in an XML file. </p><p>The example also shows how to add as " + "well as remove data from both the database and the " + "associated XML file using the API provided by the QtSql and " + "QtXml modules, respectively.</p>")); +} diff --git a/examples/sql/masterdetail/mainwindow.h b/examples/sql/masterdetail/mainwindow.h new file mode 100644 index 0000000000..e087b68ee3 --- /dev/null +++ b/examples/sql/masterdetail/mainwindow.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef MAINWINDOW_H +#define MAINWINDOW_H + +#include <QDomDocument> +#include <QMainWindow> +#include <QModelIndex> + +QT_BEGIN_NAMESPACE +class QComboBox; +class QFile; +class QGroupBox; +class QLabel; +class QListWidget; +class QSqlRelationalTableModel; +class QTableView; +QT_END_NAMESPACE + +class MainWindow : public QMainWindow +{ + Q_OBJECT + +public: + MainWindow(const QString &artistTable, const QString &albumTable, + QFile *albumDetails, QWidget *parent = 0); + +private slots: + void about(); + void addAlbum(); + void changeArtist(int row); + void deleteAlbum(); + void showAlbumDetails(QModelIndex index); + void showArtistProfile(QModelIndex index); + void updateHeader(QModelIndex, int, int); + +private: + void adjustHeader(); + QGroupBox *createAlbumGroupBox(); + QGroupBox *createArtistGroupBox(); + QGroupBox *createDetailsGroupBox(); + void createMenuBar(); + void decreaseAlbumCount(QModelIndex artistIndex); + void getTrackList(QDomNode album); + QModelIndex indexOfArtist(const QString &artist); + void readAlbumData(); + void removeAlbumFromDatabase(QModelIndex album); + void removeAlbumFromFile(int id); + void showImageLabel(); + + QTableView *albumView; + QComboBox *artistView; + QListWidget *trackList; + + QLabel *iconLabel; + QLabel *imageLabel; + QLabel *profileLabel; + QLabel *titleLabel; + + QDomDocument albumData; + QFile *file; + QSqlRelationalTableModel *model; +}; + +#endif diff --git a/examples/sql/masterdetail/masterdetail.pro b/examples/sql/masterdetail/masterdetail.pro new file mode 100644 index 0000000000..39d93ec017 --- /dev/null +++ b/examples/sql/masterdetail/masterdetail.pro @@ -0,0 +1,21 @@ +HEADERS = database.h \ + dialog.h \ + mainwindow.h +RESOURCES = masterdetail.qrc +SOURCES = dialog.cpp \ + main.cpp \ + mainwindow.cpp + +QT += sql +QT += xml + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/masterdetail +sources.files = $$SOURCES *.h $$RESOURCES $$FORMS masterdetail.pro *.xml images +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/masterdetail +INSTALLS += target sources + +symbian { + TARGET.UID3 = 0xA000D7CF + include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) +} diff --git a/examples/sql/masterdetail/masterdetail.qrc b/examples/sql/masterdetail/masterdetail.qrc new file mode 100644 index 0000000000..717c2eb945 --- /dev/null +++ b/examples/sql/masterdetail/masterdetail.qrc @@ -0,0 +1,6 @@ +<!DOCTYPE RCC><RCC version="1.0"> + <qresource> + <file>images/icon.png</file> + <file>images/image.png</file> + </qresource> +</RCC> diff --git a/examples/sql/querymodel/customsqlmodel.cpp b/examples/sql/querymodel/customsqlmodel.cpp new file mode 100644 index 0000000000..5b09dd634b --- /dev/null +++ b/examples/sql/querymodel/customsqlmodel.cpp @@ -0,0 +1,64 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "customsqlmodel.h" + +CustomSqlModel::CustomSqlModel(QObject *parent) + : QSqlQueryModel(parent) +{ +} + +//! [0] +QVariant CustomSqlModel::data(const QModelIndex &index, int role) const +{ + QVariant value = QSqlQueryModel::data(index, role); + if (value.isValid() && role == Qt::DisplayRole) { + if (index.column() == 0) + return value.toString().prepend("#"); + else if (index.column() == 2) + return value.toString().toUpper(); + } + if (role == Qt::TextColorRole && index.column() == 1) + return QVariant::fromValue(QColor(Qt::blue)); + return value; +} +//! [0] diff --git a/examples/sql/querymodel/customsqlmodel.h b/examples/sql/querymodel/customsqlmodel.h new file mode 100644 index 0000000000..0ea1bf1e04 --- /dev/null +++ b/examples/sql/querymodel/customsqlmodel.h @@ -0,0 +1,58 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef CUSTOMSQLMODEL_H +#define CUSTOMSQLMODEL_H + +#include <QSqlQueryModel> + +//! [0] +class CustomSqlModel : public QSqlQueryModel +{ + Q_OBJECT + +public: + CustomSqlModel(QObject *parent = 0); + + QVariant data(const QModelIndex &item, int role) const; +}; +//! [0] + +#endif diff --git a/examples/sql/querymodel/editablesqlmodel.cpp b/examples/sql/querymodel/editablesqlmodel.cpp new file mode 100644 index 0000000000..b47995ada3 --- /dev/null +++ b/examples/sql/querymodel/editablesqlmodel.cpp @@ -0,0 +1,109 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtSql> + +#include "editablesqlmodel.h" + +EditableSqlModel::EditableSqlModel(QObject *parent) + : QSqlQueryModel(parent) +{ +} + +//! [0] +Qt::ItemFlags EditableSqlModel::flags( + const QModelIndex &index) const +{ + Qt::ItemFlags flags = QSqlQueryModel::flags(index); + if (index.column() == 1 || index.column() == 2) + flags |= Qt::ItemIsEditable; + return flags; +} +//! [0] + +//! [1] +bool EditableSqlModel::setData(const QModelIndex &index, const QVariant &value, int /* role */) +{ + if (index.column() < 1 || index.column() > 2) + return false; + + QModelIndex primaryKeyIndex = QSqlQueryModel::index(index.row(), 0); + int id = data(primaryKeyIndex).toInt(); + + clear(); + + bool ok; + if (index.column() == 1) { + ok = setFirstName(id, value.toString()); + } else { + ok = setLastName(id, value.toString()); + } + refresh(); + return ok; +} +//! [1] + +void EditableSqlModel::refresh() +{ + setQuery("select * from person"); + setHeaderData(0, Qt::Horizontal, QObject::tr("ID")); + setHeaderData(1, Qt::Horizontal, QObject::tr("First name")); + setHeaderData(2, Qt::Horizontal, QObject::tr("Last name")); +} + +//! [2] +bool EditableSqlModel::setFirstName(int personId, const QString &firstName) +{ + QSqlQuery query; + query.prepare("update person set firstname = ? where id = ?"); + query.addBindValue(firstName); + query.addBindValue(personId); + return query.exec(); +} +//! [2] + +bool EditableSqlModel::setLastName(int personId, const QString &lastName) +{ + QSqlQuery query; + query.prepare("update person set lastname = ? where id = ?"); + query.addBindValue(lastName); + query.addBindValue(personId); + return query.exec(); +} diff --git a/examples/sql/querymodel/editablesqlmodel.h b/examples/sql/querymodel/editablesqlmodel.h new file mode 100644 index 0000000000..b63409d958 --- /dev/null +++ b/examples/sql/querymodel/editablesqlmodel.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef EDITABLESQLMODEL_H +#define EDITABLESQLMODEL_H + +#include <QSqlQueryModel> + +class EditableSqlModel : public QSqlQueryModel +{ + Q_OBJECT + +public: + EditableSqlModel(QObject *parent = 0); + + Qt::ItemFlags flags(const QModelIndex &index) const; + bool setData(const QModelIndex &index, const QVariant &value, int role); + +private: + bool setFirstName(int personId, const QString &firstName); + bool setLastName(int personId, const QString &lastName); + void refresh(); +}; + +#endif diff --git a/examples/sql/querymodel/main.cpp b/examples/sql/querymodel/main.cpp new file mode 100644 index 0000000000..b6507e92c4 --- /dev/null +++ b/examples/sql/querymodel/main.cpp @@ -0,0 +1,86 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> + +#include "../connection.h" +#include "customsqlmodel.h" +#include "editablesqlmodel.h" + +void initializeModel(QSqlQueryModel *model) +{ + model->setQuery("select * from person"); + model->setHeaderData(0, Qt::Horizontal, QObject::tr("ID")); + model->setHeaderData(1, Qt::Horizontal, QObject::tr("First name")); + model->setHeaderData(2, Qt::Horizontal, QObject::tr("Last name")); +} + +void createView(const QString &title, QSqlQueryModel *model) +{ + static int offset = 0; + + QTableView *view = new QTableView; + view->setModel(model); + view->setWindowTitle(title); + view->move(100 + offset, 100 + offset); + offset += 20; + view->show(); +} + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + if (!createConnection()) + return 1; + + QSqlQueryModel plainModel; + EditableSqlModel editableModel; + CustomSqlModel customModel; + + initializeModel(&plainModel); + initializeModel(&editableModel); + initializeModel(&customModel); + + createView(QObject::tr("Plain Query Model"), &plainModel); + createView(QObject::tr("Editable Query Model"), &editableModel); + createView(QObject::tr("Custom Query Model"), &customModel); + + return app.exec(); +} diff --git a/examples/sql/querymodel/querymodel.pro b/examples/sql/querymodel/querymodel.pro new file mode 100644 index 0000000000..cd8b202b44 --- /dev/null +++ b/examples/sql/querymodel/querymodel.pro @@ -0,0 +1,15 @@ +HEADERS = ../connection.h \ + customsqlmodel.h \ + editablesqlmodel.h +SOURCES = customsqlmodel.cpp \ + editablesqlmodel.cpp \ + main.cpp +QT += sql + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/querymodel +sources.files = $$SOURCES *.h $$RESOURCES $$FORMS querymodel.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/querymodel +INSTALLS += target sources + +symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) diff --git a/examples/sql/relationaltablemodel/relationaltablemodel.cpp b/examples/sql/relationaltablemodel/relationaltablemodel.cpp new file mode 100644 index 0000000000..ecb985e6b5 --- /dev/null +++ b/examples/sql/relationaltablemodel/relationaltablemodel.cpp @@ -0,0 +1,114 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include <QtSql> + +#include "../connection.h" + +void initializeModel(QSqlRelationalTableModel *model) +{ +//! [0] + model->setTable("employee"); +//! [0] + + model->setEditStrategy(QSqlTableModel::OnManualSubmit); +//! [1] + model->setRelation(2, QSqlRelation("city", "id", "name")); +//! [1] //! [2] + model->setRelation(3, QSqlRelation("country", "id", "name")); +//! [2] + +//! [3] + model->setHeaderData(0, Qt::Horizontal, QObject::tr("ID")); + model->setHeaderData(1, Qt::Horizontal, QObject::tr("Name")); + model->setHeaderData(2, Qt::Horizontal, QObject::tr("City")); + model->setHeaderData(3, Qt::Horizontal, QObject::tr("Country")); +//! [3] + + model->select(); +} + +QTableView *createView(const QString &title, QSqlTableModel *model) +{ +//! [4] + QTableView *view = new QTableView; + view->setModel(model); + view->setItemDelegate(new QSqlRelationalDelegate(view)); +//! [4] + view->setWindowTitle(title); + return view; +} + +void createRelationalTables() +{ + QSqlQuery query; + query.exec("create table employee(id int primary key, name varchar(20), city int, country int)"); + query.exec("insert into employee values(1, 'Espen', 5000, 47)"); + query.exec("insert into employee values(2, 'Harald', 80000, 49)"); + query.exec("insert into employee values(3, 'Sam', 100, 1)"); + + query.exec("create table city(id int, name varchar(20))"); + query.exec("insert into city values(100, 'San Jose')"); + query.exec("insert into city values(5000, 'Oslo')"); + query.exec("insert into city values(80000, 'Munich')"); + + query.exec("create table country(id int, name varchar(20))"); + query.exec("insert into country values(1, 'USA')"); + query.exec("insert into country values(47, 'Norway')"); + query.exec("insert into country values(49, 'Germany')"); +} + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + if (!createConnection()) + return 1; + createRelationalTables(); + + QSqlRelationalTableModel model; + + initializeModel(&model); + + QTableView *view = createView(QObject::tr("Relational Table Model"), &model); + view->show(); + + return app.exec(); +} diff --git a/examples/sql/relationaltablemodel/relationaltablemodel.pro b/examples/sql/relationaltablemodel/relationaltablemodel.pro new file mode 100644 index 0000000000..3cf3e312f2 --- /dev/null +++ b/examples/sql/relationaltablemodel/relationaltablemodel.pro @@ -0,0 +1,11 @@ +HEADERS = ../connection.h +SOURCES = relationaltablemodel.cpp +QT += sql + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/relationaltablemodel +sources.files = $$SOURCES *.h $$RESOURCES $$FORMS relationaltablemodel.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/relationaltablemodel +INSTALLS += target sources + +symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) diff --git a/examples/sql/sql.pro b/examples/sql/sql.pro new file mode 100644 index 0000000000..7de4a5c3a0 --- /dev/null +++ b/examples/sql/sql.pro @@ -0,0 +1,20 @@ +TEMPLATE = subdirs + +SUBDIRS = drilldown +!symbian: SUBDIRS += cachedtable \ + relationaltablemodel \ + sqlwidgetmapper + +!wince*: SUBDIRS += masterdetail + +!wince*:!symbian: SUBDIRS += \ + querymodel \ + tablemodel + + +# install +sources.files = connection.h sql.pro README +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql +INSTALLS += sources + +symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) diff --git a/examples/sql/sqlwidgetmapper/main.cpp b/examples/sql/sqlwidgetmapper/main.cpp new file mode 100644 index 0000000000..41e756d8ad --- /dev/null +++ b/examples/sql/sqlwidgetmapper/main.cpp @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QApplication> + +#include "window.h" + +int main(int argc, char **argv) +{ + QApplication app(argc, argv); + Window window; + window.show(); + return app.exec(); +} diff --git a/examples/sql/sqlwidgetmapper/sqlwidgetmapper.pro b/examples/sql/sqlwidgetmapper/sqlwidgetmapper.pro new file mode 100644 index 0000000000..600531881e --- /dev/null +++ b/examples/sql/sqlwidgetmapper/sqlwidgetmapper.pro @@ -0,0 +1,13 @@ +HEADERS = window.h +SOURCES = main.cpp \ + window.cpp +QT += sql + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/sqlwidgetmapper +sources.files = $$SOURCES $$HEADERS *.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/sqlwidgetmapper +INSTALLS += target sources + +wince*: DEPLOYMENT_PLUGIN += qsqlite + diff --git a/examples/sql/sqlwidgetmapper/window.cpp b/examples/sql/sqlwidgetmapper/window.cpp new file mode 100644 index 0000000000..23954c95c7 --- /dev/null +++ b/examples/sql/sqlwidgetmapper/window.cpp @@ -0,0 +1,158 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include <QtSql> + +#include "window.h" + +//! [Set up widgets] +Window::Window(QWidget *parent) + : QWidget(parent) +{ + setupModel(); + + nameLabel = new QLabel(tr("Na&me:")); + nameEdit = new QLineEdit(); + addressLabel = new QLabel(tr("&Address:")); + addressEdit = new QTextEdit(); + typeLabel = new QLabel(tr("&Type:")); + typeComboBox = new QComboBox(); + nextButton = new QPushButton(tr("&Next")); + previousButton = new QPushButton(tr("&Previous")); + + nameLabel->setBuddy(nameEdit); + addressLabel->setBuddy(addressEdit); + typeLabel->setBuddy(typeComboBox); +//! [Set up widgets] + +//! [Set up the mapper] + QSqlTableModel *relModel = model->relationModel(typeIndex); + typeComboBox->setModel(relModel); + typeComboBox->setModelColumn(relModel->fieldIndex("description")); + + mapper = new QDataWidgetMapper(this); + mapper->setModel(model); + mapper->setItemDelegate(new QSqlRelationalDelegate(this)); + mapper->addMapping(nameEdit, model->fieldIndex("name")); + mapper->addMapping(addressEdit, model->fieldIndex("address")); + mapper->addMapping(typeComboBox, typeIndex); +//! [Set up the mapper] + +//! [Set up connections and layouts] + connect(previousButton, SIGNAL(clicked()), + mapper, SLOT(toPrevious())); + connect(nextButton, SIGNAL(clicked()), + mapper, SLOT(toNext())); + connect(mapper, SIGNAL(currentIndexChanged(int)), + this, SLOT(updateButtons(int))); + + QGridLayout *layout = new QGridLayout(); + layout->addWidget(nameLabel, 0, 0, 1, 1); + layout->addWidget(nameEdit, 0, 1, 1, 1); + layout->addWidget(previousButton, 0, 2, 1, 1); + layout->addWidget(addressLabel, 1, 0, 1, 1); + layout->addWidget(addressEdit, 1, 1, 2, 1); + layout->addWidget(nextButton, 1, 2, 1, 1); + layout->addWidget(typeLabel, 3, 0, 1, 1); + layout->addWidget(typeComboBox, 3, 1, 1, 1); + setLayout(layout); + + setWindowTitle(tr("SQL Widget Mapper")); + mapper->toFirst(); +} +//! [Set up connections and layouts] + +//! [Set up the main table] +void Window::setupModel() +{ + QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE"); + db.setDatabaseName(":memory:"); + if (!db.open()) { + QMessageBox::critical(0, tr("Cannot open database"), + tr("Unable to establish a database connection.\n" + "This example needs SQLite support. Please read " + "the Qt SQL driver documentation for information how " + "to build it."), QMessageBox::Cancel); + return; + } + + QSqlQuery query; + query.exec("create table person (id int primary key, " + "name varchar(20), address varchar(200), typeid int)"); + query.exec("insert into person values(1, 'Alice', " + "'<qt>123 Main Street<br/>Market Town</qt>', 101)"); + query.exec("insert into person values(2, 'Bob', " + "'<qt>PO Box 32<br/>Mail Handling Service" + "<br/>Service City</qt>', 102)"); + query.exec("insert into person values(3, 'Carol', " + "'<qt>The Lighthouse<br/>Remote Island</qt>', 103)"); + query.exec("insert into person values(4, 'Donald', " + "'<qt>47338 Park Avenue<br/>Big City</qt>', 101)"); + query.exec("insert into person values(5, 'Emma', " + "'<qt>Research Station<br/>Base Camp<br/>" + "Big Mountain</qt>', 103)"); +//! [Set up the main table] + +//! [Set up the address type table] + query.exec("create table addresstype (id int, description varchar(20))"); + query.exec("insert into addresstype values(101, 'Home')"); + query.exec("insert into addresstype values(102, 'Work')"); + query.exec("insert into addresstype values(103, 'Other')"); + + model = new QSqlRelationalTableModel(this); + model->setTable("person"); + model->setEditStrategy(QSqlTableModel::OnManualSubmit); + + typeIndex = model->fieldIndex("typeid"); + + model->setRelation(typeIndex, + QSqlRelation("addresstype", "id", "description")); + model->select(); +} +//! [Set up the address type table] + +//! [Slot for updating the buttons] +void Window::updateButtons(int row) +{ + previousButton->setEnabled(row > 0); + nextButton->setEnabled(row < model->rowCount() - 1); +} +//! [Slot for updating the buttons] diff --git a/examples/sql/sqlwidgetmapper/window.h b/examples/sql/sqlwidgetmapper/window.h new file mode 100644 index 0000000000..ee8b7d6672 --- /dev/null +++ b/examples/sql/sqlwidgetmapper/window.h @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef WINDOW_H +#define WINDOW_H + +#include <QWidget> + +QT_BEGIN_NAMESPACE +class QComboBox; +class QDataWidgetMapper; +class QItemSelectionModel; +class QLabel; +class QLineEdit; +class QPushButton; +class QSqlRelationalTableModel; +class QStandardItemModel; +class QStringListModel; +class QTextEdit; +QT_END_NAMESPACE + +//! [Window definition] +class Window : public QWidget +{ + Q_OBJECT + +public: + Window(QWidget *parent = 0); + +private slots: + void updateButtons(int row); + +private: + void setupModel(); + + QLabel *nameLabel; + QLabel *addressLabel; + QLabel *typeLabel; + QLineEdit *nameEdit; + QTextEdit *addressEdit; + QComboBox *typeComboBox; + QPushButton *nextButton; + QPushButton *previousButton; + + QSqlRelationalTableModel *model; + QItemSelectionModel *selectionModel; + QDataWidgetMapper *mapper; + int typeIndex; +}; +//! [Window definition] + +#endif diff --git a/examples/sql/tablemodel/tablemodel.cpp b/examples/sql/tablemodel/tablemodel.cpp new file mode 100644 index 0000000000..41a42bc31e --- /dev/null +++ b/examples/sql/tablemodel/tablemodel.cpp @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include <QtSql> + +#include "../connection.h" + +void initializeModel(QSqlTableModel *model) +{ + model->setTable("person"); + model->setEditStrategy(QSqlTableModel::OnManualSubmit); + model->select(); + + model->setHeaderData(0, Qt::Horizontal, QObject::tr("ID")); + model->setHeaderData(1, Qt::Horizontal, QObject::tr("First name")); + model->setHeaderData(2, Qt::Horizontal, QObject::tr("Last name")); +} + +QTableView *createView(const QString &title, QSqlTableModel *model) +{ + QTableView *view = new QTableView; + view->setModel(model); + view->setWindowTitle(title); + return view; +} + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + if (!createConnection()) + return 1; + + QSqlTableModel model; + + initializeModel(&model); + + QTableView *view1 = createView(QObject::tr("Table Model (View 1)"), &model); + QTableView *view2 = createView(QObject::tr("Table Model (View 2)"), &model); + + view1->show(); + view2->move(view1->x() + view1->width() + 20, view1->y()); + view2->show(); + + return app.exec(); +} diff --git a/examples/sql/tablemodel/tablemodel.pro b/examples/sql/tablemodel/tablemodel.pro new file mode 100644 index 0000000000..55956c05e7 --- /dev/null +++ b/examples/sql/tablemodel/tablemodel.pro @@ -0,0 +1,11 @@ +HEADERS = ../connection.h +SOURCES = tablemodel.cpp +QT += sql + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/tablemodel +sources.files = $$SOURCES *.h $$RESOURCES $$FORMS tablemodel.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/qtbase/sql/tablemodel +INSTALLS += target sources + +symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) |
