85 lines
3.3 KiB
C++
85 lines
3.3 KiB
C++
#include "MainWindow.h"
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MainWindow* mw;
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MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) {
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ui->setupUi(this);
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lineCognome = this->findChild<QLineEdit*>("lineCognome");
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lineNome = this->findChild<QLineEdit*>("lineNome");
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tableSoci = this->findChild<QTableView*>("tableSoci");
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}
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void MainWindow::connectDatabase(void) {
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/* retrieve settings for this application, group database */
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QSettings settings("it.linux.golem", "argento");
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settings.beginGroup("database");
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/* open database and attach query */
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db = QSqlDatabase::addDatabase("QMYSQL"); /* QMYSQL <-- database driver */
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db.setHostName(settings.value("hostname").toString());
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db.setDatabaseName(settings.value("database").toString());
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db.setUserName(settings.value("username").toString());
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db.setPassword(settings.value("password").toString());
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query = QSqlQuery(db);
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status(Ui::INFO, QString("Connecting to %1...").arg(settings.value("hostname").toString()));
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if (! db.open())
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status(Ui::ERROR, db.lastError().text());
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else
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status(Ui::INFO, QString("Connected to %1").arg(settings.value("hostname").toString()));
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}
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MainWindow::~MainWindow() {
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delete ui;
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}
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void MainWindow::on_buttonCerca_clicked() {
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if (!db.open()) connectDatabase();
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query.prepare("SELECT id, nome, cognome FROM socio WHERE LOWER(nome) LIKE LOWER(:nome) AND LOWER(cognome) LIKE LOWER(:cognome)");
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query.bindValue( ":nome", QString("%%1%").arg(lineNome->text()) );
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query.bindValue( ":cognome", QString("%%1%").arg(lineCognome->text()) );
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if (! query.exec()) { status(Ui::ERROR, fullQuery(query)); return; }
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if ( query.size() == 0) { status(Ui::INFO, "no results found"); return; }
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if (sociModel != nullptr) delete sociModel; // TODO -- does this look a cunning thing?
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sociModel = new SociModel(nullptr, query);
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status(Ui::INFO, QString("%1 results found").arg(query.size()));
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tableSoci->setModel(sociModel);
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/* the signal is automagically added by some obscure qt build system, provided the function is named in a standard way */
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//QObject::connect(tableSoci, SIGNAL(clicked(const QModelIndex&)), this, SLOT(on_tableSoci_clicked(const QModelIndex&)));
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tableSoci->show();
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}
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void MainWindow::on_buttonNuovo_clicked() {
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if (! db.open()) connectDatabase();
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query.prepare("INSERT INTO socio (nome, cognome) VALUES (NULLIF(:nome, ''), NULLIF(:cognome, ''))");
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query.bindValue(":nome", lineNome->text());
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query.bindValue(":cognome", lineCognome->text());
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if (! query.exec()) { status(Ui::ERROR, fullQuery(query)); return; }
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if (! query.lastInsertId().isValid()) { status(Ui::ERROR, fullQuery(query)); return; }
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EditWindow*w = new EditWindow(query.lastInsertId().toInt(), this);
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w->setAttribute(Qt::WA_DeleteOnClose);
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w->show();
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}
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void MainWindow::on_tableSoci_clicked(const QModelIndex& index) {
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if (index.isValid()) {
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/* extracts id socio from first column of table view */
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int id = index.model()->data(index.siblingAtColumn(0)).toInt();
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if (id != 0) { /* if click is not on other fields than id... */
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EditWindow* w = new EditWindow(id, this);
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w->setAttribute(Qt::WA_DeleteOnClose); /* delete window at the end */
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w->show();
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}
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}
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} |