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mainwindow.cpp
221 lines (173 loc) · 7.81 KB
/
mainwindow.cpp
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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QMessageBox>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
// Setup UI components
ui->setupUi(this);
ui->tableTabWidget->tabBar()->tabButton(0, QTabBar::RightSide)->resize(0, 0);
QList<int> sizes;
sizes << 100 << 1000;
ui->splitter->setSizes(sizes);
// Start splash screen
QPixmap pixmap(":/images/resources/aperture_blue.png");
QSplashScreen *splash = new QSplashScreen(pixmap);
splash->show();
// Open Database
_dbManager = new DatabaseManager(this);
QString messageResult = _dbManager->openDB();
if(messageResult != NULL) {
QMessageBox::critical(this, tr("Database Error"), "The database could not be opened: \n" + messageResult);
ui->statusBar->showMessage("Open Database unsuccessful");
} else {
ui->statusBar->showMessage("Database Connected");
messageResult = _dbManager->createCustomerAndInvoiceTables();
if(messageResult != NULL){
QMessageBox::critical(this, tr("Database Error"), "The tables could not be created: \n" + messageResult);
}
// Load the customer List
_customerTableModel = new QSqlTableModel(this);
_customerTableModel->setTable("customer");
_customerTableModel->select();
ui->listView->setModel(_customerTableModel);
ui->listView->setModelColumn(1);
// _customerModel = _dbManager->loadCustomerList();
// if(_customerModel != NULL) {
// ui->listView->setModel(_customerModel);
// ui->statusBar->showMessage("Successfully loaded customer list");
// } else {
// QMessageBox::critical(this, tr("Database Error"), "The database could not load the customer list");
// ui->statusBar->showMessage("Database: Load customer list unsuccessful");
// }
// Load all Invoice table
_invoiceTableModel = new QSqlTableModel(this);
_invoiceTableModel->setTable("invoice");
_invoiceTableModel->select();
ui->tableView->setModel(_invoiceTableModel);
// _invoiceModel = _dbManager.loadInvoiceTable();
// if(_invoiceModel != NULL) {
// ui->tableView->setModel(_invoiceModel);
// ui->statusBar->showMessage("Successfully loaded invoice table");
// } else {
// QMessageBox::critical(this, tr("Database Error"), "The database could not load the invoice table");
// ui->statusBar->showMessage("Database: Load invoice table unsuccessful");
// }
}
//QThread::sleep(3);
splash->hide();
}
/*
*TUTORIAL:
*model = new QSqlTableModel(this);
*model->setTable("customer");
*model->select();
*ui->tableView->setModel(model);
*
*
*/
MainWindow::~MainWindow()
{
_dbManager->closeDB();
delete ui;
}
// PUBLIC FUNCTIONS
bool MainWindow::addCustomerToList(Customer customer) {
QString messageResult = _dbManager->addCustomer(customer);
if( messageResult != NULL)
{
QMessageBox::critical(this, tr("Save attempt failed"), "Could not save \"" + customer.getCompanyName() + "\" into the database: \n" + messageResult);
ui->statusBar->showMessage("Add to database unsuccessful: " + customer.getCompanyName());
return false;
} else {
ui->statusBar->showMessage("Successfully added \"" + customer.getCompanyName() + "\" to the databse");
// Close the current tab
ui->tableTabWidget->removeTab(ui->tableTabWidget->currentIndex());
// Open the company invoice tab
QWidget *customerInvoiceTab = new AllCompanyInvoices(0, this, &customer);
ui->tableTabWidget->setCurrentIndex(ui->tableTabWidget->addTab(customerInvoiceTab, customer.getCompanyName() + " Invoices"));
}
return true;
}
bool MainWindow::editCustomer(Customer customer, QString origName) {
QString messageResult = _dbManager->updateCustomer(customer, origName);
if( messageResult != NULL)
{
QMessageBox::critical(this, tr("Update attempt failed"), "Could not update \"" + customer.getCompanyName() + "\" in the database: \n" + messageResult);
ui->statusBar->showMessage("Database update unsuccessful: " + customer.getCompanyName());
return false;
} else {
ui->statusBar->showMessage("Successfully updated \"" + customer.getCompanyName() + "\" info in the databse");
ui->tableTabWidget->removeTab(ui->tableTabWidget->currentIndex());
}
return true;
}
bool MainWindow::deleteCustomer(Customer customer) {
QString messageResult = _dbManager->deleteCustomer(customer);
if( messageResult != NULL)
{
QMessageBox::critical(this, tr("Delete attempt failed"), "Could not delete \"" + customer.getCompanyName() + "\" from the database: \n" + messageResult);
ui->statusBar->showMessage("Database remove unsuccessful: " + customer.getCompanyName());
return false;
} else {
ui->statusBar->showMessage("Successfully deleted \"" + customer.getCompanyName() + "\" from the databse");
ui->tableTabWidget->removeTab(ui->tableTabWidget->currentIndex());
}
return true;
}
void MainWindow::showError(QString errMsg) {
QMessageBox::critical(this, tr("Error"), errMsg);
ui->statusBar->showMessage(errMsg);
}
void MainWindow::showStatus(QString statMsg) {
ui->statusBar->showMessage(statMsg);
}
// SLOTS
void MainWindow::on_tableTabWidget_tabCloseRequested(int index)
{
ui->tableTabWidget->removeTab(index);
}
void MainWindow::on_pushButton_addCustomer_pressed()
{
// Add a new tab where the user can input a new customer
QWidget *addCustomer = new AddCustomer(0, this, NULL, "Add");
ui->tableTabWidget->setCurrentIndex(ui->tableTabWidget->addTab(addCustomer, tr("Add New Company")));
}
void MainWindow::on_pushButton_editCustomer_clicked()
{
// Add a new tab where the user can edit a current customer
QAbstractItemModel *model = ui->listView->model();
QString cNameFromList = model->data(ui->listView->currentIndex(), Qt::DisplayRole).toString();
Customer *customer = _dbManager->getCustomerByName(cNameFromList);
if(customer != NULL) {
QWidget *editCustomer = new AddCustomer(0, this, customer ,"Apply Edits");
ui->tableTabWidget->setCurrentIndex(ui->tableTabWidget->addTab(editCustomer, tr("Edit Company Fields")));
} else {
QMessageBox::critical(this, tr("Error"), "Cannot edit customer: \"" + cNameFromList + "\" ");
ui->statusBar->showMessage("Could not edit customer: \"" + cNameFromList + "\" ");
}
}
void MainWindow::on_listView_doubleClicked(const QModelIndex &index)
{
// Open the company invoice tab
QAbstractItemModel *model = ui->listView->model();
QString cNameFromList = model->data(index, Qt::DisplayRole).toString();
Customer *customer = _dbManager->getCustomerByName(cNameFromList);
QWidget *customerInvoiceTab = new AllCompanyInvoices(0, this, customer);
ui->tableTabWidget->setCurrentIndex(ui->tableTabWidget->addTab(customerInvoiceTab, customer->getCompanyName() + " Invoices"));
}
void MainWindow::on_pushButton_deleteCustomer_clicked()
{
// Add a new tab where the user can delete a customer
QAbstractItemModel *model = ui->listView->model();
QString cNameFromList = model->data(ui->listView->currentIndex(), Qt::DisplayRole).toString();
Customer *customer = _dbManager->getCustomerByName(cNameFromList);
if(customer != NULL) {
QWidget *deleteCustomer = new AddCustomer(0, this, customer ,"DELETE COMPANY");
ui->tableTabWidget->setCurrentIndex(ui->tableTabWidget->addTab(deleteCustomer, "DELETE " + cNameFromList + " FROM DATABASE"));
} else {
QMessageBox::critical(this, tr("Error"), "Could not find customer: \"" + cNameFromList + "\" ");
ui->statusBar->showMessage("Could not find customer: \"" + cNameFromList + "\" ");
}
}