geocodingtab.cpp Example File
geoservicedemo/geocodingtab.cpp
#include "geocodingtab.h"
#include "placepresenter.h"
#include <QTreeWidget>
#include <QLineEdit>
#include <QString>
#include <QLabel>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QPushButton>
#include <QMessageBox>
#include <QDialogButtonBox>
#include <qgeoaddress.h>
GeoCodingInputDialog::GeoCodingInputDialog(QString &obloc, QGeoAddress &address, QWidget *parent)
: QDialog(parent), m_oblocStr(obloc), m_address(address)
{
setWindowTitle(tr("Geocoding Parameters"));
QLabel *obloclbl = new QLabel(tr("OneBox-Search:"));
m_obloc = new QLineEdit(m_oblocStr);
m_obloc->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
QLabel *addressSearchlbl = new QLabel(tr("Search by address (Leave OneBox empty):"));
QLabel *countrylbl = new QLabel(tr("Country:"));
m_country = new QLineEdit(address.country());
m_country->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
QLabel *statelbl = new QLabel(tr("State:"));
m_state = new QLineEdit(address.state());
m_state->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
QLabel *citylbl = new QLabel(tr("City:"));
m_city = new QLineEdit(address.city());
m_city->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
QLabel *ziplbl = new QLabel(tr("Zip:"));
m_zip = new QLineEdit(address.postcode());
m_zip->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
QLabel *streetlbl = new QLabel(tr("Street:"));
m_street = new QLineEdit(address.street());
m_street->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
QHBoxLayout *firstrow = new QHBoxLayout;
firstrow->setSpacing(2);
firstrow->setContentsMargins(2, 1, 2, 1);
firstrow->addWidget(m_obloc);
QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal);
connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
QGridLayout *gridLayout = new QGridLayout ;
gridLayout->setSizeConstraint(QLayout::SetMinimumSize);
gridLayout->setSpacing(2);
gridLayout->setContentsMargins(2, 1, 2, 1);
#if defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)
gridLayout->addWidget(streetlbl, 1, 0);
gridLayout->addWidget(m_street, 1, 1, 1, 3);
gridLayout->addWidget(ziplbl, 2, 0);
gridLayout->addWidget(citylbl, 2, 2);
gridLayout->addWidget(m_zip, 2, 1);
gridLayout->addWidget(m_city, 2, 3);
gridLayout->addWidget(statelbl, 3, 0);
gridLayout->addWidget(countrylbl, 3, 2);
gridLayout->addWidget(m_state, 3, 1);
gridLayout->addWidget(m_country, 3, 3);
#else
gridLayout->addWidget(streetlbl, 1, 0);
gridLayout->addWidget(m_street, 2, 0, 1, 2);
gridLayout->addWidget(ziplbl, 3, 0);
gridLayout->addWidget(citylbl, 3, 1);
gridLayout->addWidget(m_zip, 4, 0);
gridLayout->addWidget(m_city, 4, 1);
gridLayout->addWidget(statelbl, 5, 0);
gridLayout->addWidget(countrylbl, 5, 1);
gridLayout->addWidget(m_state, 6, 0);
gridLayout->addWidget(m_country, 6, 1);
#endif
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->setSizeConstraint(QLayout::SetFixedSize);
mainLayout->setSpacing(2);
mainLayout->setContentsMargins(2, 1, 2, 1);
mainLayout->addWidget(obloclbl);
mainLayout->addLayout(firstrow);
mainLayout->addWidget(addressSearchlbl);
mainLayout->addLayout(gridLayout);
mainLayout->addWidget(buttonBox);
setLayout(mainLayout);
}
void GeoCodingInputDialog::accept()
{
m_oblocStr = m_obloc->text();
m_address.setCountry(m_country->text());
m_address.setState(m_state->text());
m_address.setCity(m_city->text());
m_address.setPostcode(m_zip->text());
m_address.setStreet(m_street->text());
QDialog::accept();
}
GeocodingTab::GeocodingTab(QWidget *parent) :
QWidget(parent),
m_searchManager(NULL)
{
m_oblocStr = "Deutschland, Mnchen";
m_requestBtn = new QPushButton(tr("Search By Address"));
m_requestBtn->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
m_requestBtn->setDisabled(true);
QObject::connect(m_requestBtn, SIGNAL(clicked(bool)), this, SLOT(on_btnRequest_clicked()));
m_resultTree = new QTreeWidget();
QStringList labels;
labels << tr("Elements") << tr("Value");
m_resultTree->setHeaderLabels(labels);
m_resultTree->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
m_resultTree->setColumnWidth(0, 240);
QHBoxLayout *firstrow = new QHBoxLayout;
firstrow->setSpacing(2);
firstrow->setContentsMargins(2, 1, 2, 1);
firstrow->addWidget(m_requestBtn);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->setSpacing(2);
mainLayout->setContentsMargins(2, 1, 2, 1);
mainLayout->addLayout(firstrow);
mainLayout->addWidget(m_resultTree);
setLayout(mainLayout);
}
GeocodingTab::~GeocodingTab()
{
}
void GeocodingTab::initialize(QGeoSearchManager *searchManager)
{
m_resultTree->clear();
m_searchManager = searchManager;
if (m_searchManager) {
QObject::connect(m_searchManager, SIGNAL(finished(QGeoSearchReply*)), this,
SLOT(replyFinished(QGeoSearchReply*)));
QObject::connect(m_searchManager,
SIGNAL(error(QGeoSearchReply*, QGeoSearchReply::Error, QString)), this,
SLOT(resultsError(QGeoSearchReply*, QGeoSearchReply::Error, QString)));
if (m_searchManager->supportsGeocoding())
m_requestBtn->setDisabled(false);
} else
m_requestBtn->setDisabled(true);
}
void GeocodingTab::on_btnRequest_clicked()
{
if (m_searchManager) {
GeoCodingInputDialog dlg(m_oblocStr, m_address, this);
if (dlg.exec() == QDialog::Accepted) {
m_resultTree->clear();
QTreeWidgetItem* top = new QTreeWidgetItem(m_resultTree);
top->setText(0, tr("Geocode"));
top->setText(1, tr("Requesting data"));
if (!m_oblocStr.isEmpty()) {
m_searchManager->search(m_oblocStr, QGeoSearchManager::SearchGeocode);
} else {
m_searchManager->geocode(m_address);
}
}
} else {
QMessageBox::warning(this, tr("Geocoding"), tr("No search manager available."));
}
}
void GeocodingTab::replyFinished(QGeoSearchReply* reply)
{
if (!isHidden() && reply->error() == QGeoSearchReply::NoError) {
PlacePresenter presenter(m_resultTree, reply);
presenter.show();
reply->deleteLater();
}
}
void GeocodingTab::resultsError(QGeoSearchReply* reply, QGeoSearchReply::Error errorCode, QString errorString)
{
Q_UNUSED(errorCode)
if (!isHidden()) {
QTreeWidgetItem* errorResultItem = new QTreeWidgetItem(m_resultTree);
errorResultItem->setText(0, tr("Error"));
errorResultItem->setText(1, errorString);
reply->deleteLater();
}
}