addressbookmodel.cpp Example File
cloudaddressbook/addressbookmodel.cpp/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include <QtCore/qhash.h> #include <QtCore/qbytearray.h> #include <QtCore/qjsondocument.h> #include <QtCore/qjsonvalue.h> #include <QtCore/qjsonobject.h> #include <QtCore/qjsonarray.h> #include <QtGui/qfont.h> #include "addressbookmodel.h" AddressBookModel::AddressBookModel(QObject *parent) : EnginioModel(parent) , _searchReply() {} AddressBookModel::~AddressBookModel() {} QVariant AddressBookModel::data(const QModelIndex &index, int role) const { if (role == Qt::DisplayRole) { // we assume here that column order is constant and it is the same as in AddressBookModel::Roles return EnginioModel::data(index, FirstNameRole + index.column()).value<QJsonValue>().toString(); } if (role == Qt::FontRole) { // this role is used to mark items found in the full text search. QFont font; QString id = EnginioModel::data(index, Enginio::IdRole).value<QString>(); font.setBold(_markedItems.contains(id)); return font; } return EnginioModel::data(index, role); } bool AddressBookModel::setData(const QModelIndex &index, const QVariant &value, int role) { bool result = role == Qt::EditRole ? EnginioModel::setData(this->index(index.row()), value, FirstNameRole + index.column()) : EnginioModel::setData(this->index(index.row()), value, role); // if the data was edited, the marked items set may not be valid anymore // so we need to clear it. if (result) _markedItems.clear(); return result; } int AddressBookModel::columnCount(const QModelIndex &parent) const { return parent.isValid() ? 0 : 5; } QVariant AddressBookModel::headerData(int section, Qt::Orientation orientation, int role) const { if (orientation == Qt::Horizontal && role == Qt::DisplayRole) { switch (section) { case 0: return QStringLiteral("First name"); case 1: return QStringLiteral("Last name"); case 2: return QStringLiteral("Email"); case 3: return QStringLiteral("Phone number"); case 4: return QStringLiteral("Address"); } return QVariant(); } return EnginioModel::headerData(section, orientation, role); } QHash<int, QByteArray> AddressBookModel::roleNames() const { QHash<int, QByteArray> roles = EnginioModel::roleNames(); roles.insert(FirstNameRole, "firstName"); roles.insert(LastNameRole, "lastName"); roles.insert(EmailRole, "email"); roles.insert(PhoneRole, "phone"); roles.insert(AddressRole, "address"); return roles; } void AddressBookModel::newSearch(const QString &search) { if (search.isEmpty()) return; // construct JSON object: // { // "objectTypes": ["objects.addressbook"], // "search": { "phrase": "*PHRASE*", // "properties": ["firstName", "lastName", "email", "phone", "address"] // } // } QJsonObject query; { QJsonArray objectTypes; objectTypes.append(QString::fromUtf8("objects.addressbook")); QJsonArray properties; properties.append(QString::fromUtf8("firstName")); properties.append(QString::fromUtf8("lastName")); properties.append(QString::fromUtf8("email")); properties.append(QString::fromUtf8("phone")); properties.append(QString::fromUtf8("address")); QJsonObject searchQuery; searchQuery.insert("phrase", "*" + search + "*"); searchQuery.insert("properties", properties); query.insert("objectTypes", objectTypes); query.insert("search", searchQuery); } if (_searchReply) { // a new search is created before the old one was finished // we will not be interested in the results of the old search. _searchReply->disconnect(this); } _searchReply = client()->fullTextSearch(query); QObject::connect(_searchReply, &EnginioReply::finished, this, &AddressBookModel::searchResultsArrived); QObject::connect(_searchReply, &EnginioReply::finished, _searchReply, &EnginioReply::deleteLater); } void AddressBookModel::searchResultsArrived() { // clear old marks. _markedItems.clear(); // update marked ids. QJsonArray results = _searchReply->data()["results"].toArray(); foreach (const QJsonValue &value, results) { QJsonObject person = value.toObject(); _markedItems.insert(person["id"].toString()); } QVector<int> roles; roles.append(Qt::FontRole); // We do not keep id -> row mapping, therefore it is easier to emit // data change signal for all items, even if it is not optimal from // the performance point of view. emit dataChanged(index(0), index(rowCount() - 1, columnCount() - 1) , roles); _searchReply = 0; emit searchFinished(); }