Enginio C++ Examples - Cloud Address Book

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 #include <QtCore/qbytearray.h>
 #include <QtCore/qpair.h>

 #include <QtCore/qjsondocument.h>
 #include <QtCore/qjsonobject.h>
 #include <QtCore/qsortfilterproxymodel.h>

 #include <Enginio/enginioclient.h>
 #include <Enginio/enginioreply.h>

 #include <QtGui/qicon.h>
 #include <QtWidgets/qpushbutton.h>

 #include "addressbookmodel.h"

 // To get the backend right, we use a helper class in the example.
 // Usually one would just insert the backend information below.
 #include "backendhelper.h"

 #include "mainwindow.h"

 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
 {
     setupUi(this);
     QByteArray EnginioBackendId = backendId("cloudaddressbook");

     client = new EnginioClient(this);
     client->setBackendId(EnginioBackendId);

     // this line is a debugging conviniance, passing all errors to qDebug()
     QObject::connect(client, &EnginioClient::error, this, &MainWindow::error);

     model = new AddressBookModel(this);
     model->setClient(client);

     QJsonObject query;
     query["objectType"] = QString::fromUtf8("objects.addressbook");
     model->setQuery(query);

     tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);

     sortFilterProxyModel = new QSortFilterProxyModel(this);
     sortFilterProxyModel->setSourceModel(model);
     tableView->setSortingEnabled(true);
     tableView->setModel(sortFilterProxyModel);

     // create the full text search based on searchEdit text value
     QObject::connect(searchEdit, &QLineEdit::returnPressed, this, &MainWindow::onSearchEdit);

     // clear the status bar when the search is finished
     QObject::connect(model, &AddressBookModel::searchFinished, this, &MainWindow::onSearchFinished);

     // append an empty row
     QObject::connect(add, &QPushButton::clicked, this, &MainWindow::onAddRow);

     // enable remove button when a row is selected
     QObject::connect(tableView->selectionModel(), &QItemSelectionModel::selectionChanged, this, &MainWindow::onSelectionChanged);

     // remove selected rows
     QObject::connect(remove, &QPushButton::clicked, this, &MainWindow::onRemoveRow);
 }

 void MainWindow::onSearchEdit()
 {
     model->newSearch(searchEdit->text());
     statusbar->showMessage(QStringLiteral("Searching for: ") + searchEdit->text());
     searchEdit->clear();
 }

 void MainWindow::onSearchFinished()
 {
     statusbar->showMessage(QStringLiteral("Search finished"), 1500);
 }

 void MainWindow::onAddRow()
 {
     QJsonObject item;
     item.insert("objectType", QString::fromUtf8("objects.addressbook"));
     EnginioReply *reply = model->append(item);
     QObject::connect(reply, &EnginioReply::finished, reply, &EnginioReply::deleteLater);
 }

 void MainWindow::onSelectionChanged()
 {
     remove->setEnabled(tableView->selectionModel()->selectedRows().count());
 }

 void MainWindow::onRemoveRow()
 {
     foreach (const QModelIndex &index, tableView->selectionModel()->selectedRows()) {
         QModelIndex sourceIndex = sortFilterProxyModel->mapToSource(index);
         EnginioReply *reply = model->remove(sourceIndex.row());
         QObject::connect(reply, &EnginioReply::finished, reply, &EnginioReply::deleteLater);
     }
 }

 void MainWindow::error(EnginioReply *error)
 {
     qWarning() << Q_FUNC_INFO << error;
 }