mainwindow.cpp Example File

cloudaddressbook/mainwindow.cpp
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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;
}

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.