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#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