#include "directionstab.h"
#include <QListWidget>
#include <QListWidgetItem>
#include <QLineEdit>
#include <QComboBox>
#include <QString>
#include <QLabel>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QPushButton>
#include <QMessageBox>
#include <QColor>
#include <QBrush>
#include <QPixmap>
#include <QDialogButtonBox>
DirectionsInputDialog::DirectionsInputDialog(QString& start, QString& end, QGeoRouteRequest::TravelModes& travel, QWidget *parent)
: QDialog(parent), m_start(start), m_end(end), m_travel(travel)
{
setWindowTitle(tr("Directions"));
m_startpoint = new QLineEdit(m_start);
m_startpoint->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
m_startpoint->setCursorPosition(0);
m_endpoint = new QLineEdit(m_end);
m_endpoint->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
m_endpoint->setCursorPosition(0);
m_transport = new QComboBox();
m_transport->addItem("Car");
m_transport->setItemData(0, QVariant(QGeoRouteRequest::CarTravel));
m_transport->addItem("Pedestrian");
m_transport->setItemData(1, QVariant(QGeoRouteRequest::PedestrianTravel));
m_transport->addItem("Bicycle");
m_transport->setItemData(2, QVariant(QGeoRouteRequest::BicycleTravel));
m_transport->addItem("Public Transport");
m_transport->setItemData(3, QVariant(QGeoRouteRequest::PublicTransitTravel));
m_transport->addItem("Truck");
m_transport->setItemData(4, QVariant(QGeoRouteRequest::TruckTravel));
m_transport->setCurrentIndex(m_transport->findData(QVariant(m_travel)));
QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal);
connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->setSizeConstraint(QLayout::SetFixedSize);
mainLayout->setSpacing(2);
mainLayout->setContentsMargins(2, 1, 2, 1);
mainLayout->addWidget(m_startpoint);
mainLayout->addWidget(m_endpoint);
mainLayout->addWidget(m_transport);
mainLayout->addWidget(buttonBox);
setLayout(mainLayout);
}
void DirectionsInputDialog::accept()
{
m_start = m_startpoint->text();
m_end = m_endpoint->text();
switch(m_transport->itemData(m_transport->currentIndex()).toInt()) {
case 1:
m_travel = QGeoRouteRequest::CarTravel;
break;
case 2:
m_travel = QGeoRouteRequest::PedestrianTravel;
break;
case 4:
m_travel = QGeoRouteRequest::BicycleTravel;
break;
case 8:
m_travel = QGeoRouteRequest::PublicTransitTravel;
break;
case 16:
m_travel = QGeoRouteRequest::TruckTravel;
break;
default:
m_travel = QGeoRouteRequest::CarTravel;
break;
}
if (m_start.isEmpty() || m_start.startsWith("Start Point:")) {
QMessageBox::warning(this, tr("Directions"), tr("Please provide a starting point"));
return;
}
if (m_end.isEmpty() || m_end.startsWith("End Point:")) {
QMessageBox::warning(this, tr("Directions"), tr("Please provide an end point"));
return;
}
QDialog::accept();
}
DirectionsTab::DirectionsTab(QWidget *parent) :
QWidget(parent),
m_routingManager(0),
m_searchManager(0),
m_startReply(0),
m_endReply(0)
{
m_startpoint = "53 Brandl St, Eight Mile Plains, Australia";
m_endpoint = "End Point:";
m_requestTravelModes = QGeoRouteRequest::CarTravel;
m_requestRouteOptimizations = QGeoRouteRequest::FastestRoute;
m_requestBtn = new QPushButton(tr("Request Route"));
m_requestBtn->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
m_requestBtn->setDisabled(true);
QObject::connect(m_requestBtn, SIGNAL(clicked(bool)),
this, SLOT(on_btnRequest_clicked()));
m_updateBtn = new QPushButton(tr("Update Route"));
m_updateBtn->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
m_updateBtn->setDisabled(true);
QObject::connect(m_updateBtn, SIGNAL(clicked(bool)),
this, SLOT(on_btnUpdate_clicked()));
m_resultList = new QListWidget();
m_resultList->setWordWrap(true);
m_resultList->setIconSize(QSize(30, 30));
QHBoxLayout *firstrow = new QHBoxLayout;
firstrow->setSpacing(2);
firstrow->setContentsMargins(2, 1, 2, 1);
firstrow->addWidget(m_requestBtn);
firstrow->addWidget(m_updateBtn);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->setSpacing(2);
mainLayout->setContentsMargins(2, 1, 2, 1);
mainLayout->addLayout(firstrow);
mainLayout->addWidget(m_resultList);
setLayout(mainLayout);
}
DirectionsTab::~DirectionsTab()
{
}
void DirectionsTab::initialize(QGeoRoutingManager *routingManager, QGeoSearchManager *searchManager)
{
m_resultList->clear();
directionsRequest = false;
m_routingManager = routingManager;
if (m_routingManager) {
QObject::connect(m_routingManager, SIGNAL(finished(QGeoRouteReply*)), this,
SLOT(routeReplyFinished(QGeoRouteReply*)));
QObject::connect(m_routingManager,
SIGNAL(error(QGeoRouteReply*, QGeoRouteReply::Error, QString)), this,
SLOT(routeResultsError(QGeoRouteReply*, QGeoRouteReply::Error, QString)));
m_requestBtn->setDisabled(false);
} else {
m_requestBtn->setDisabled(true);
m_resultList->addItem("\nNo routing manager available.\n");
return;
}
m_searchManager = searchManager;
if (m_searchManager) {
QObject::connect(m_searchManager,
SIGNAL(error(QGeoSearchReply*, QGeoSearchReply::Error, QString)), this,
SLOT(searchResultsError(QGeoSearchReply*, QGeoSearchReply::Error, QString)));
if (m_searchManager->supportsGeocoding())
m_requestBtn->setDisabled(false);
} else {
m_requestBtn->setDisabled(true);
m_resultList->addItem("\nNo search manager available.\n");
}
}
void DirectionsTab::on_btnRequest_clicked()
{
if (!m_routingManager)
QMessageBox::warning(this, tr("Directions"), tr("No routing manager available."));
if (!m_searchManager)
QMessageBox::warning(this, tr("Directions"), tr("No search manager available."));
DirectionsInputDialog dialog(m_startpoint, m_endpoint, m_requestTravelModes, this);
if (dialog.exec() == QDialog::Accepted) {
m_resultList->clear();
m_updateBtn->setDisabled(true);
m_startReply = m_searchManager->search(m_startpoint, QGeoSearchManager::SearchGeocode);
QObject::connect(m_startReply, SIGNAL(finished()), this, SLOT(searchStartFinished()));
m_endReply = m_searchManager->search(m_endpoint, QGeoSearchManager::SearchGeocode);
QObject::connect(m_endReply, SIGNAL(finished()), this, SLOT(searchEndFinished()));
m_resultList->addItem("\nRequesting directions...\n");
}
}
void DirectionsTab::on_btnUpdate_clicked()
{
if (m_routingManager && m_routes.count() > 0) {
m_resultList->clear();
m_resultList->addItem("\nUpdating directions...\n");
m_updateBtn->setDisabled(true);
m_routingManager->updateRoute(m_routes[0], m_start.coordinate());
} else {
QMessageBox::warning(this, tr("Directions"), tr("Route update not available."));
}
}
void DirectionsTab::getDirections()
{
if (m_startReply)
m_startReply->deleteLater();
m_startReply = 0;
if (m_endReply)
m_endReply->deleteLater();
m_endReply = 0;
QGeoRouteRequest request(m_start.coordinate(), m_end.coordinate());
request.setTravelModes(m_requestTravelModes);
request.setRouteOptimization(m_requestRouteOptimizations);
if ((m_routingManager->supportedSegmentDetails() & QGeoRouteRequest::BasicSegmentData) != 0)
request.setSegmentDetail(QGeoRouteRequest::BasicSegmentData);
if ((m_routingManager->supportedManeuverDetails() & QGeoRouteRequest::BasicManeuvers) != 0)
request.setManeuverDetail(QGeoRouteRequest::BasicManeuvers);
directionsRequest = true;
m_routingManager->calculateRoute(request);
}
void DirectionsTab::searchStartFinished()
{
if (m_startReply->error() == QGeoSearchReply::NoError) {
QList<QGeoPlace> places = m_startReply->places();
m_start = places[0];
if (m_endReply && m_endReply->isFinished())
getDirections();
} else {
m_startReply->deleteLater();
m_startReply = 0;
}
}
void DirectionsTab::searchEndFinished()
{
if (m_endReply->error() == QGeoSearchReply::NoError) {
QList<QGeoPlace> places = m_endReply->places();
m_end = places[0];
if (m_startReply && m_startReply->isFinished())
getDirections();
} else {
m_endReply->deleteLater();
m_endReply = 0;
}
}
void DirectionsTab::addDirection(const QString& icon, const QString& text, const QColor& color)
{
QListWidgetItem *item = new QListWidgetItem('\n' + text + '\n');
item->setBackground(QBrush(color));
if (icon.isEmpty()) {
QPixmap blank(23,1);
blank.fill(Qt::transparent);
item->setIcon(QIcon(blank));
} else {
item->setIcon(QIcon(icon));
}
m_resultList->addItem(item);
}
void DirectionsTab::routeReplyFinished(QGeoRouteReply* reply)
{
if (!directionsRequest)
return;
if (reply->error() == QGeoRouteReply::NoError) {
m_resultList->clear();
m_routes = reply->routes();
for (int i=0; i<m_routes.size(); i++) {
const QString& startAddress = address(m_start);
const QString& endAddress = address(m_end);
const QString& totalDistance = QString::number(m_routes[i].distance()/1000.00) + "km";
const QString& totalTime = QString::number(qRound(m_routes[i].travelTime()/60.00)) + "min";
addDirection(":/icons/startmarker.png", startAddress, QColor("lightblue"));
addDirection(":/icons/endmarker.png", endAddress, QColor("lightgreen"));
addDirection("", totalDistance + " - approx " + totalTime, QColor("lightgreen"));
int count = 0;
QGeoRouteSegment segment = m_routes[i].firstRouteSegment();
while (segment.isValid()) {
count++;
const QString& instruction = segment.maneuver().instructionText();
if (count%2 > 0)
addDirection(":/icons/pathmarker.png", instruction, QColor("white"));
else
addDirection(":/icons/pathmarker.png", instruction, QColor("lightgray"));
segment = segment.nextRouteSegment();
}
if (++count%2 > 0)
addDirection(":/icons/endmarker.png", endAddress, QColor("white"));
else
addDirection(":/icons/endmarker.png", endAddress, QColor("lightgray"));
}
reply->deleteLater();
if (m_routes.count() > 0 && m_routingManager->supportsRouteUpdates())
m_updateBtn->setDisabled(false);
}
}
void DirectionsTab::routeResultsError(QGeoRouteReply* reply, QGeoRouteReply::Error error, QString errorString)
{
Q_UNUSED(error)
m_resultList->clear();
m_resultList->addItem("\nError! " + errorString + "\n");
reply->deleteLater();
}
void DirectionsTab::searchResultsError(QGeoSearchReply* reply, QGeoSearchReply::Error error, QString errorString)
{
Q_UNUSED(error)
m_resultList->clear();
m_resultList->addItem("\nError! " + errorString + "\n");
reply->deleteLater();
}
QString DirectionsTab::address(const QGeoPlace& place) const
{
QGeoAddress addr = place.address();
QString addrStr = addr.street() + ",\n"
+ addr.city() + " " + addr.postcode() + ",\n"
+ addr.country();
return addrStr;
}