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gestionale
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fixed MVC for QSqlQuery

This commit is contained in:
giomba 2020-09-19 18:40:15 +02:00
parent 0046817a49
commit a5e6b72aca
7 changed files with 60 additions and 146 deletions
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2
argento/EditWindow.h
View File

@ -10,8 +10,8 @@
#include <iostream>
#include "db.h"
#include "fullQuery.h"
#include "EditWindow.h"
#include "fullQuery.h"
#include "status.h"
#include "ui_EditWindow.h"

8
argento/MainWindow.cpp
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@ -17,7 +17,6 @@ void MainWindow::connectDatabase(void) {
db.setDatabaseName(settings.value("database").toString());
db.setUserName(settings.value("username").toString());
db.setPassword(settings.value("password").toString());
query = QSqlQuery(db);
status(Ui::INFO, QString("Connecting to %1...").arg(settings.value("hostname").toString()));
@ -34,6 +33,7 @@ MainWindow::~MainWindow() {
void MainWindow::on_buttonCerca_clicked() {
if (!db.open()) connectDatabase();
QSqlQuery query;
query.prepare("SELECT id, nome, cognome FROM socio WHERE LOWER(nome) LIKE LOWER(:nome) AND LOWER(cognome) LIKE LOWER(:cognome)");
query.bindValue( ":nome", QString("%%1%").arg(ui->lineNome->text()) );
query.bindValue( ":cognome", QString("%%1%").arg(ui->lineCognome->text()) );
@ -41,12 +41,11 @@ void MainWindow::on_buttonCerca_clicked() {
if (! query.exec()) { status(Ui::ERROR, fullQuery(query)); return; }
if ( query.size() == 0) { status(Ui::INFO, "no results found"); return; }
if (sociModel != nullptr) delete sociModel; // TODO -- does this look a cunning thing?
sociModel = new SociModel(nullptr, query);
model.setQuery(query);
status(Ui::INFO, QString("%1 results found").arg(query.size()));
ui->tableSoci->setModel(sociModel);
ui->tableSoci->setModel(&model);
/* the signal is automagically added by some obscure qt build system, provided the function is named in a standard way */
//QObject::connect(tableSoci, SIGNAL(clicked(const QModelIndex&)), this, SLOT(on_tableSoci_clicked(const QModelIndex&)));
ui->tableSoci->show();
@ -55,6 +54,7 @@ void MainWindow::on_buttonCerca_clicked() {
void MainWindow::on_buttonNuovo_clicked() {
if (! db.open()) connectDatabase();
QSqlQuery query;
query.prepare("INSERT INTO socio (nome, cognome) VALUES (NULLIF(:nome, ''), NULLIF(:cognome, ''))");
query.bindValue(":nome", ui->lineNome->text());
query.bindValue(":cognome", ui->lineCognome->text());

15
argento/MainWindow.h
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@ -8,7 +8,6 @@
#include "EditWindow.h"
#include "MainWindow.h"
#include "SociModel.h"
#include "ui_MainWindow.h"
namespace Ui {
@ -18,6 +17,12 @@ namespace Ui {
class MainWindow : public QMainWindow {
Q_OBJECT
private:
Ui::MainWindow *ui;
QSqlQueryModel model;
void connectDatabase(void);
public:
explicit MainWindow(QWidget *parent = nullptr);
~MainWindow();
@ -28,14 +33,6 @@ private slots:
void on_buttonCerca_clicked();
void on_buttonNuovo_clicked();
void on_tableSoci_clicked(const QModelIndex& index);
private:
SociModel* sociModel = nullptr;
QSqlQuery query;
Ui::MainWindow *ui;
void connectDatabase(void);
};
extern MainWindow* mw;

133
argento/MainWindow.ui
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@ -6,103 +6,64 @@
<rect>
<x>0</x>
<y>0</y>
<width>635</width>
<height>362</height>
<width>623</width>
<height>421</height>
</rect>
</property>
<property name="windowTitle">
<string>Main Window</string>
<string>Gestionale Argento</string>
</property>
<widget class="QWidget" name="centralwidget">
<widget class="QPushButton" name="buttonCerca">
<property name="geometry">
<rect>
<x>430</x>
<y>20</y>
<width>91</width>
<height>31</height>
</rect>
</property>
<property name="text">
<string>Cerca</string>
</property>
</widget>
<widget class="QLineEdit" name="lineNome">
<property name="geometry">
<rect>
<x>10</x>
<y>20</y>
<width>201</width>
<height>32</height>
</rect>
</property>
</widget>
<widget class="QPushButton" name="buttonNuovo">
<property name="geometry">
<rect>
<x>530</x>
<y>20</y>
<width>91</width>
<height>31</height>
</rect>
</property>
<property name="text">
<string>Nuovo</string>
</property>
</widget>
<widget class="QLabel" name="label">
<property name="geometry">
<rect>
<x>10</x>
<y>0</y>
<width>38</width>
<height>18</height>
</rect>
</property>
<property name="text">
<string>Nome</string>
</property>
</widget>
<widget class="QLabel" name="label_2">
<property name="geometry">
<rect>
<x>220</x>
<y>0</y>
<width>60</width>
<height>18</height>
</rect>
</property>
<property name="text">
<string>Cognome</string>
</property>
</widget>
<widget class="QLineEdit" name="lineCognome">
<property name="geometry">
<rect>
<x>220</x>
<y>20</y>
<width>201</width>
<height>32</height>
</rect>
</property>
</widget>
<widget class="QTableView" name="tableSoci">
<property name="geometry">
<rect>
<x>10</x>
<y>60</y>
<width>611</width>
<height>241</height>
</rect>
</property>
</widget>
<layout class="QGridLayout" name="gridLayout_2">
<item row="0" column="0">
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0">
<widget class="QLabel" name="label">
<property name="text">
<string>Nome</string>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QLabel" name="label_2">
<property name="text">
<string>Cognome</string>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QLineEdit" name="lineNome"/>
</item>
<item row="1" column="1">
<widget class="QLineEdit" name="lineCognome"/>
</item>
<item row="1" column="2">
<widget class="QPushButton" name="buttonCerca">
<property name="text">
<string>Cerca</string>
</property>
</widget>
</item>
<item row="1" column="3">
<widget class="QPushButton" name="buttonNuovo">
<property name="text">
<string>Nuovo</string>
</property>
</widget>
</item>
<item row="2" column="0" colspan="4">
<widget class="QTableView" name="tableSoci"/>
</item>
</layout>
</item>
</layout>
</widget>
<widget class="QMenuBar" name="menubar">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>635</width>
<width>623</width>
<height>30</height>
</rect>
</property>

21
argento/SociModel.cpp
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@ -1,21 +0,0 @@
#include "SociModel.h"
SociModel::SociModel(QObject* parent, QSqlQuery& query) : QAbstractTableModel(parent), query(query) {
;
}
int SociModel::rowCount(const QModelIndex&) const {
return query.size();
}
int SociModel::columnCount(const QModelIndex&) const {
return query.record().count();
}
QVariant SociModel::data(const QModelIndex& index, int role) const {
if (role == Qt::DisplayRole) {
query.seek(index.row());
return query.value(index.column()).toString();
}
return QVariant();
}

21
argento/SociModel.h
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@ -1,21 +0,0 @@
#ifndef SOCIMODEL_H
#define SOCIMODEL_H
#include <QAbstractTableModel>
#include <QDebug>
#include <QSqlQuery>
#include <QSqlRecord>
class SociModel : public QAbstractTableModel {
Q_OBJECT
private:
QSqlQuery& query;
public:
SociModel(QObject* parent, QSqlQuery& query);
int rowCount(const QModelIndex& parent = QModelIndex()) const;
int columnCount(const QModelIndex& parent = QModelIndex()) const;
QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
};
#endif

6
argento/argento.pro
View File

@ -26,20 +26,18 @@ CONFIG += c++11
SOURCES += \
db.cpp \
EditWindow.cpp \
fullQuery.cpp \
main.cpp \
MainWindow.cpp \
status.cpp \
SociModel.cpp
fullQuery.cpp
HEADERS += \
db.h \
EditWindow.h \
fullQuery.h \
MainWindow.h \
status.h \
SociModel.h
fullQuery.h
FORMS += \