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[argento] ui<->database properly connected using QtModel

This commit is contained in:
giomba 2019-08-16 18:38:30 +02:00
parent ac102857f9
commit 28b2375e42
2 changed files with 56 additions and 57 deletions
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110
argento/EditWindow.cpp
View File

@ -3,75 +3,70 @@
EditWindow::EditWindow(int idSocio, QWidget* parent) : QMainWindow(parent), ui(new Ui::EditWindow) {
ui->setupUi(this);
/* connect query with common database */
/* connect query with common global database */
query = QSqlQuery(db);
/* retrieve professione and fonte from database */
query.prepare("SELECT id, professione FROM professione ORDER BY professione");
query.exec();
while (query.next()) {
ui->comboProfessione->addItem(query.value(1).toString(), query.value(0).toInt());
}
model = new QSqlRelationalTableModel(this);
model->setTable("socio");
model->setFilter(QString("socio.id = %1").arg(idSocio));
model->setEditStrategy(QSqlTableModel::OnManualSubmit);
query.prepare("SELECT id, fonte FROM fonte ORDER BY fonte");
query.exec();
while (query.next()) {
ui->comboFonte->addItem(query.value(1).toString(), query.value(0).toInt());
}
int professioneIdx = model->fieldIndex("professione");
int fonteIdx = model->fieldIndex("fonte");
/* populate fields from database */
query.prepare("SELECT s.id, s.nome, s.cognome, \
s.dataNascita, s.comuneResidenza, s.email, s.professione, s.fonte, s.abilitaQuestionario, \
q.dataCompilazione \
FROM socio AS s LEFT OUTER JOIN questionario AS q ON s.id = q.socio \
WHERE s.id = :id");
query.bindValue( ":id", idSocio );
query.exec();
query.first();
model->setJoinMode(QSqlRelationalTableModel::LeftJoin);
/* show everything in the interface */
ui->lineID->setText(query.value( query.record().indexOf("id") ).toString());
ui->lineNome->setText(query.value( query.record().indexOf("nome") ).toString());
ui->lineCognome->setText(query.value( query.record().indexOf("cognome") ).toString());
ui->lineComuneResidenza->setText(query.value(query.record().indexOf("comuneResidenza")).toString());
ui->lineEmail->setText(query.value(query.record().indexOf("email")).toString());
ui->comboProfessione->setCurrentIndex(ui->comboProfessione->findData(query.value(query.record().indexOf("professione")).toInt()));
ui->comboFonte->setCurrentIndex(ui->comboFonte->findData(query.value(query.record().indexOf("fonte")).toInt()));
ui->dateDataNascita->setDate(QDate(1900, 1, 1)); ui->dateDataNascita->setDate(query.value(query.record().indexOf("dataNascita")).toDate());
ui->dateDataCompilazione->setDate(QDate(1900, 1, 1)); ui->dateDataCompilazione->setDate(query.value(query.record().indexOf("dataCompilazione")).toDate());
ui->checkAbilitaQuestionario->setChecked( query.value(query.record().indexOf("abilitaQuestionario")).toBool() );
}
model->setRelation(professioneIdx, QSqlRelation("professione", "id", "professione"));
model->setRelation(fonteIdx, QSqlRelation("fonte", "id", "fonte"));
void EditWindow::on_buttonSalva_clicked() {
query.prepare("UPDATE socio \
SET nome = NULLIF(:nome, ''), \
cognome = NULLIF(:cognome, ''), \
dataNascita = NULLIF(:dataNascita, '1900-01-01'), \
comuneResidenza = NULLIF(:comuneResidenza, ''), \
email = NULLIF(:email, ''), \
professione = NULLIF(:professione, 0), \
fonte = NULLIF(:fonte, 0), \
abilitaQuestionario = :abilitaQuestionario \
WHERE id = :id");
query.bindValue(":id", ui->lineID->text());
query.bindValue(":nome", ui->lineNome->text());
query.bindValue(":cognome", ui->lineCognome->text());
query.bindValue(":comuneResidenza", ui->lineComuneResidenza->text());
query.bindValue(":email", ui->lineEmail->text());
query.bindValue(":dataNascita", (ui->dateDataNascita->date()).toString("yyyy-MM-dd"));
query.bindValue(":professione", ui->comboProfessione->currentData().toInt());
query.bindValue(":fonte", ui->comboFonte->currentData().toInt());
query.bindValue(":abilitaQuestionario", ui->checkAbilitaQuestionario->isChecked());
if ( ! query.exec() ) {
if (! model->select()) {
qDebug() << fullQuery(query);
qDebug() << db.lastError().text();
Ui::status(Ui::ERROR, "query error");
return;
}
Ui::status(Ui::SUCCESS, "successfull update");
QSqlTableModel* professioneModel = model->relationModel(professioneIdx);
ui->comboProfessione->setModel(professioneModel);
ui->comboProfessione->setModelColumn(professioneModel->fieldIndex("professione"));
QSqlTableModel* fonteModel = model->relationModel(fonteIdx);
ui->comboFonte->setModel(fonteModel);
ui->comboFonte->setModelColumn(fonteModel->fieldIndex("fonte"));
QDataWidgetMapper* mapper = new QDataWidgetMapper(this);
mapper->setModel(model);
mapper->setItemDelegate(new QSqlRelationalDelegate(this));
mapper->addMapping(ui->lineID, model->fieldIndex("id"));
mapper->addMapping(ui->lineCognome, model->fieldIndex("cognome"));
mapper->addMapping(ui->lineNome, model->fieldIndex("nome"));
mapper->addMapping(ui->dateDataNascita, model->fieldIndex("dataNascita"));
mapper->addMapping(ui->lineComuneResidenza, model->fieldIndex("comuneResidenza"));
mapper->addMapping(ui->lineEmail, model->fieldIndex("email"));
mapper->addMapping(ui->comboProfessione, professioneIdx);
mapper->addMapping(ui->comboFonte, fonteIdx);
mapper->toFirst();
}
void EditWindow::on_buttonSalva_clicked() {
if (model->isDirty()) {
model->database().transaction();
if (model->submitAll()) {
model->database().commit();
Ui::status(Ui::SUCCESS, "successfull update");
} else {
model->database().rollback();
qDebug() << model->lastError();
Ui::status(Ui::ERROR, "model transaction submit error");
}
} else {
Ui::status(Ui::INFO, "nothing done");
}
}
void EditWindow::on_buttonAnnulla_clicked() {
@ -80,5 +75,6 @@ void EditWindow::on_buttonAnnulla_clicked() {
EditWindow::~EditWindow()
{
delete model;
delete ui;
}

3
argento/EditWindow.h
View File

@ -4,6 +4,8 @@
#include <QDebug>
#include <QMainWindow>
#include <QMessageBox>
#include <QtSql>
#include <QtWidgets>
#include <iostream>
@ -30,6 +32,7 @@ private slots:
private:
QSqlQuery query;
QSqlRelationalTableModel* model = nullptr;
Ui::EditWindow *ui;
};