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;
  }