filterpage.cpp Example File

samplephonebook/filterpage.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Mobility Components.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** 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 Nokia Corporation and its Subsidiary(-ies) 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 "filterpage.h"

 #include <QtGui>

 FilterPage::FilterPage(QWidget* parent)
         : QWidget(parent)
 {
     m_nameEdit = new QLineEdit(this);
     m_phoneEdit = new QLineEdit(this);
     m_emailEdit = new QLineEdit(this);
     m_addressEdit = new QLineEdit(this);
     QLabel *nameLabel = new QLabel(tr("Name"), this);
     QLabel *phoneLabel = new QLabel(tr("Phone"), this);
     QLabel *emailLabel = new QLabel(tr("Email"), this);
     QLabel *addressLabel = new QLabel(tr("Address"), this);

     QFormLayout *formLayout = new QFormLayout;
     if (QApplication::desktop()->availableGeometry().width() < 360) {
         // Narrow screen: put label on separate line to textbox
         formLayout->addRow(nameLabel);
         formLayout->addRow(m_nameEdit);
         formLayout->addRow(phoneLabel);
         formLayout->addRow(m_phoneEdit);
         formLayout->addRow(emailLabel);
         formLayout->addRow(m_emailEdit);
         formLayout->addRow(addressLabel);
         formLayout->addRow(m_addressEdit);
     } else {
         // Wide screen: put label on same line as textbox
         formLayout->addRow(nameLabel, m_nameEdit);
         formLayout->addRow(phoneLabel, m_phoneEdit);
         formLayout->addRow(emailLabel, m_emailEdit);
         formLayout->addRow(addressLabel, m_addressEdit);
     }

     QVBoxLayout *pageLayout = new QVBoxLayout;

     QScrollArea *formScrollArea = new QScrollArea(this);
     formScrollArea->setWidgetResizable(true);
     QWidget *formContainer = new QWidget(formScrollArea);
     formContainer->setLayout(formLayout);
     formScrollArea->setWidget(formContainer);
     pageLayout->addWidget(formScrollArea);

 #ifdef Q_OS_SYMBIAN
     m_filterBtn = new QAction(tr("Filter"), this);
     m_filterBtn->setSoftKeyRole(QAction::PositiveSoftKey);
     addAction(m_filterBtn);
     connect(m_filterBtn, SIGNAL(triggered(bool)), this, SLOT(filterClicked()));
     m_cancelBtn = new QAction(tr("Cancel"), this);
     m_cancelBtn->setSoftKeyRole(QAction::NegativeSoftKey);
     addAction(m_cancelBtn);
     connect(m_cancelBtn, SIGNAL(triggered(bool)), this, SLOT(cancelClicked()));
 #else
     m_filterBtn = new QPushButton(tr("&Filter"), this);
     m_filterBtn->setDefault(true);
     connect(m_filterBtn, SIGNAL(clicked()), this, SLOT(filterClicked()));
     m_cancelBtn = new QPushButton(tr("&Cancel"), this);
     connect(m_cancelBtn, SIGNAL(clicked()), this, SLOT(cancelClicked()));

     QHBoxLayout *btnLayout = new QHBoxLayout;
     btnLayout->addWidget(m_filterBtn);
     btnLayout->addWidget(m_cancelBtn);
     pageLayout->addLayout(btnLayout);
 #endif

     setLayout(pageLayout);
 }

 FilterPage::~FilterPage()
 {
 }

 void FilterPage::clearFilter()
 {
     m_name.clear();
     m_phone.clear();
     m_email.clear();
     m_address.clear();
     m_nameEdit->clear();
     m_phoneEdit->clear();
     m_emailEdit->clear();
     m_addressEdit->clear();
     m_currentFilter = QContactIntersectionFilter();
     emit showListPage(m_currentFilter);
 }

 void FilterPage::filterClicked()
 {
     m_name = m_nameEdit->text();
     m_phone = m_phoneEdit->text();
     m_email = m_emailEdit->text();
     m_address = m_addressEdit->text();
     // The intersection filter ensures that non-empty field value must be found in the contact.
     m_currentFilter = QContactIntersectionFilter();
     if (!m_nameEdit->text().isEmpty()) {
         // Search all fields of the name by building a union filter
         QContactUnionFilter nameFilter;
         QStringList nameFields;
         nameFields << QContactName::FieldCustomLabel;
         nameFields << QContactName::FieldFirstName;
         nameFields << QContactName::FieldLastName;
         nameFields << QContactName::FieldMiddleName;
         nameFields << QContactName::FieldPrefix;
         nameFields << QContactName::FieldSuffix;
         foreach (const QString& fieldName, nameFields) {
             QContactDetailFilter subFilter;
             subFilter.setDetailDefinitionName(QContactName::DefinitionName, fieldName);
             subFilter.setValue(m_nameEdit->text());
             subFilter.setMatchFlags(QContactFilter::MatchContains);
             nameFilter.append(subFilter);
         }
         m_currentFilter.append(nameFilter);
     }
     if (!m_phoneEdit->text().isEmpty()) {
         QContactDetailFilter phoneFilter;
         phoneFilter.setDetailDefinitionName(QContactPhoneNumber::DefinitionName,
                                             QContactPhoneNumber::FieldNumber);
         phoneFilter.setValue(m_phoneEdit->text());
         phoneFilter.setMatchFlags(QContactFilter::MatchContains);
         m_currentFilter.append(phoneFilter);
     }
     if (!m_emailEdit->text().isEmpty()) {
         QContactDetailFilter emailFilter;
         emailFilter.setDetailDefinitionName(QContactEmailAddress::DefinitionName,
                                             QContactEmailAddress::FieldEmailAddress);
         emailFilter.setValue(m_emailEdit->text());
         emailFilter.setMatchFlags(QContactFilter::MatchContains);
         m_currentFilter.append(emailFilter);
     }
     if (!m_addressEdit->text().isEmpty()) {
         // Search all fields of the address by building a union filter
         QContactUnionFilter addressFilter;
         QStringList addressFields;
         addressFields << QContactAddress::FieldCountry;
         addressFields << QContactAddress::FieldLocality;
         addressFields << QContactAddress::FieldPostcode;
         addressFields << QContactAddress::FieldPostOfficeBox;
         addressFields << QContactAddress::FieldRegion;
         addressFields << QContactAddress::FieldStreet;
         addressFields << QContactAddress::FieldExtendedAddress;
         foreach (const QString& fieldName, addressFields) {
             QContactDetailFilter subFilter;
             subFilter.setDetailDefinitionName(QContactAddress::DefinitionName, fieldName);
             subFilter.setValue(m_addressEdit->text());
             subFilter.setMatchFlags(QContactFilter::MatchContains);
             addressFilter.append(subFilter);
         }
         m_currentFilter.append(addressFilter);
     }
     emit showListPage(m_currentFilter);
 }

 void FilterPage::cancelClicked()
 {
     m_nameEdit->setText(m_name);
     m_phoneEdit->setText(m_phone);
     m_emailEdit->setText(m_email);
     m_addressEdit->setText(m_address);
     emit showListPage(m_currentFilter);
 }