mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-29 23:45:50 +08:00
353 lines
11 KiB
C++
353 lines
11 KiB
C++
|
// Copyright (C) 2020 The Qt Company Ltd.
|
||
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
||
|
|
||
|
#include <QtCore>
|
||
|
#include <QtWidgets>
|
||
|
#include <QtNetwork>
|
||
|
|
||
|
#include "ui_form.h"
|
||
|
|
||
|
#define FLIGHTVIEW_URL "http://mobile.flightview.com/TrackByFlight.aspx"
|
||
|
#define FLIGHTVIEW_RANDOM "http://mobile.flightview.com/TrackSampleFlight.aspx"
|
||
|
|
||
|
// strips all invalid constructs that might trip QXmlStreamReader
|
||
|
static QString sanitized(const QString &xml)
|
||
|
{
|
||
|
QString data = xml;
|
||
|
|
||
|
// anything up to the html tag
|
||
|
int i = data.indexOf("<html");
|
||
|
if (i > 0)
|
||
|
data.remove(0, i - 1);
|
||
|
|
||
|
// everything inside the head tag
|
||
|
i = data.indexOf("<head");
|
||
|
if (i > 0)
|
||
|
data.remove(i, data.indexOf("</head>") - i + 7);
|
||
|
|
||
|
// invalid link for JavaScript code
|
||
|
while (true) {
|
||
|
i = data.indexOf("onclick=\"gotoUrl(");
|
||
|
if (i < 0)
|
||
|
break;
|
||
|
data.remove(i, data.indexOf('\"', i + 9) - i + 1);
|
||
|
}
|
||
|
|
||
|
// all inline frames
|
||
|
while (true) {
|
||
|
i = data.indexOf("<iframe");
|
||
|
if (i < 0)
|
||
|
break;
|
||
|
data.remove(i, data.indexOf("</iframe>") - i + 8);
|
||
|
}
|
||
|
|
||
|
// entities
|
||
|
data.remove(" ");
|
||
|
data.remove("©");
|
||
|
|
||
|
return data;
|
||
|
}
|
||
|
|
||
|
class FlightInfo : public QMainWindow
|
||
|
{
|
||
|
Q_OBJECT
|
||
|
|
||
|
private:
|
||
|
|
||
|
Ui_Form ui;
|
||
|
QUrl m_url;
|
||
|
QDate m_searchDate;
|
||
|
QPixmap m_map;
|
||
|
QNetworkAccessManager m_manager;
|
||
|
QList<QNetworkReply *> mapReplies;
|
||
|
|
||
|
public:
|
||
|
|
||
|
FlightInfo(QMainWindow *parent = nullptr): QMainWindow(parent) {
|
||
|
|
||
|
QWidget *w = new QWidget(this);
|
||
|
ui.setupUi(w);
|
||
|
setCentralWidget(w);
|
||
|
|
||
|
ui.searchBar->hide();
|
||
|
ui.infoBox->hide();
|
||
|
connect(ui.searchButton, SIGNAL(clicked()), SLOT(startSearch()));
|
||
|
connect(ui.flightEdit, SIGNAL(returnPressed()), SLOT(startSearch()));
|
||
|
|
||
|
setWindowTitle("Flight Info");
|
||
|
|
||
|
// Rendered from the public-domain vectorized aircraft
|
||
|
// http://openclipart.org/media/people/Jarno
|
||
|
m_map = QPixmap(":/aircraft.png");
|
||
|
|
||
|
QAction *searchTodayAction = new QAction("Today's Flight", this);
|
||
|
QAction *searchYesterdayAction = new QAction("Yesterday's Flight", this);
|
||
|
QAction *randomAction = new QAction("Random Flight", this);
|
||
|
connect(searchTodayAction, SIGNAL(triggered()), SLOT(today()));
|
||
|
connect(searchYesterdayAction, SIGNAL(triggered()), SLOT(yesterday()));
|
||
|
connect(randomAction, SIGNAL(triggered()), SLOT(randomFlight()));
|
||
|
connect(&m_manager, SIGNAL(finished(QNetworkReply*)),
|
||
|
this, SLOT(handleNetworkData(QNetworkReply*)));
|
||
|
addAction(searchTodayAction);
|
||
|
addAction(searchYesterdayAction);
|
||
|
addAction(randomAction);
|
||
|
setContextMenuPolicy(Qt::ActionsContextMenu);
|
||
|
}
|
||
|
|
||
|
private slots:
|
||
|
|
||
|
void handleNetworkData(QNetworkReply *networkReply) {
|
||
|
if (!networkReply->error()) {
|
||
|
if (!mapReplies.contains(networkReply)) {
|
||
|
// Assume UTF-8 encoded
|
||
|
QByteArray data = networkReply->readAll();
|
||
|
QString xml = QString::fromUtf8(data);
|
||
|
digest(xml);
|
||
|
} else {
|
||
|
mapReplies.removeOne(networkReply);
|
||
|
m_map.loadFromData(networkReply->readAll());
|
||
|
update();
|
||
|
}
|
||
|
}
|
||
|
networkReply->deleteLater();
|
||
|
}
|
||
|
|
||
|
void today() {
|
||
|
QDateTime timestamp = QDateTime::currentDateTime();
|
||
|
m_searchDate = timestamp.date();
|
||
|
searchFlight();
|
||
|
}
|
||
|
|
||
|
void yesterday() {
|
||
|
QDateTime timestamp = QDateTime::currentDateTime();
|
||
|
timestamp = timestamp.addDays(-1);
|
||
|
m_searchDate = timestamp.date();
|
||
|
searchFlight();
|
||
|
}
|
||
|
|
||
|
void searchFlight() {
|
||
|
ui.searchBar->show();
|
||
|
ui.infoBox->hide();
|
||
|
ui.flightStatus->hide();
|
||
|
ui.flightName->setText("Enter flight number");
|
||
|
ui.flightEdit->setFocus();
|
||
|
#ifdef QT_KEYPAD_NAVIGATION
|
||
|
ui.flightEdit->setEditFocus(true);
|
||
|
#endif
|
||
|
m_map = QPixmap();
|
||
|
update();
|
||
|
}
|
||
|
|
||
|
void startSearch() {
|
||
|
ui.searchBar->hide();
|
||
|
QString flight = ui.flightEdit->text().simplified();
|
||
|
if (!flight.isEmpty())
|
||
|
request(flight, m_searchDate);
|
||
|
}
|
||
|
|
||
|
void randomFlight() {
|
||
|
request(QString(), QDate::currentDate());
|
||
|
}
|
||
|
|
||
|
public slots:
|
||
|
|
||
|
void request(const QString &flightCode, QDate date) {
|
||
|
|
||
|
setWindowTitle("Loading...");
|
||
|
|
||
|
QString code = flightCode.simplified();
|
||
|
QString airlineCode = code.left(2).toUpper();
|
||
|
QString flightNumber = code.mid(2, code.length());
|
||
|
|
||
|
ui.flightName->setText("Searching for " + code);
|
||
|
|
||
|
QUrlQuery query;
|
||
|
query.addQueryItem("view", "detail");
|
||
|
query.addQueryItem("al", airlineCode);
|
||
|
query.addQueryItem("fn", flightNumber);
|
||
|
query.addQueryItem("dpdat", date.toString("yyyyMMdd"));
|
||
|
m_url = QUrl(FLIGHTVIEW_URL);
|
||
|
m_url.setQuery(query);
|
||
|
|
||
|
if (code.isEmpty()) {
|
||
|
// random flight as sample
|
||
|
m_url = QUrl(FLIGHTVIEW_RANDOM);
|
||
|
ui.flightName->setText("Getting a random flight...");
|
||
|
}
|
||
|
|
||
|
m_manager.get(QNetworkRequest(m_url));
|
||
|
}
|
||
|
|
||
|
|
||
|
private:
|
||
|
|
||
|
void digest(const QString &content) {
|
||
|
|
||
|
setWindowTitle("Flight Info");
|
||
|
QString data = sanitized(content);
|
||
|
|
||
|
// do we only get the flight list?
|
||
|
// we grab the first leg in the flight list
|
||
|
// then fetch another URL for the real flight info
|
||
|
int i = data.indexOf("a href=\"?view=detail");
|
||
|
if (i > 0) {
|
||
|
QString href = data.mid(i, data.indexOf('\"', i + 8) - i + 1);
|
||
|
QRegularExpression regex("dpap=([A-Za-z0-9]+)");
|
||
|
QRegularExpressionMatch match = regex.match(href);
|
||
|
QString airport = match.captured(1);
|
||
|
QUrlQuery query(m_url);
|
||
|
query.addQueryItem("dpap", airport);
|
||
|
m_url.setQuery(query);
|
||
|
m_manager.get(QNetworkRequest(m_url));
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
QXmlStreamReader xml(data);
|
||
|
bool inFlightName = false;
|
||
|
bool inFlightStatus = false;
|
||
|
bool inFlightMap = false;
|
||
|
bool inFieldName = false;
|
||
|
bool inFieldValue = false;
|
||
|
|
||
|
QString flightName;
|
||
|
QString flightStatus;
|
||
|
QStringList fieldNames;
|
||
|
QStringList fieldValues;
|
||
|
|
||
|
while (!xml.atEnd()) {
|
||
|
xml.readNext();
|
||
|
|
||
|
if (xml.tokenType() == QXmlStreamReader::StartElement) {
|
||
|
auto className = xml.attributes().value("class");
|
||
|
inFlightName |= xml.name() == u"h1";
|
||
|
inFlightStatus |= className == u"FlightDetailHeaderStatus";
|
||
|
inFlightMap |= className == u"flightMap";
|
||
|
if (xml.name() == u"td" && !className.isEmpty()) {
|
||
|
if (className.contains(u"fieldTitle")) {
|
||
|
inFieldName = true;
|
||
|
fieldNames += QString();
|
||
|
fieldValues += QString();
|
||
|
}
|
||
|
if (className.contains(u"fieldValue"))
|
||
|
inFieldValue = true;
|
||
|
}
|
||
|
if (xml.name() == u"img" && inFlightMap) {
|
||
|
const QByteArray encoded
|
||
|
= ("http://mobile.flightview.com/" % xml.attributes().value("src")).toLatin1();
|
||
|
QUrl url = QUrl::fromPercentEncoding(encoded);
|
||
|
mapReplies.append(m_manager.get(QNetworkRequest(url)));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (xml.tokenType() == QXmlStreamReader::EndElement) {
|
||
|
inFlightName &= xml.name() != u"h1";
|
||
|
inFlightStatus &= xml.name() != u"div";
|
||
|
inFlightMap &= xml.name() != u"div";
|
||
|
inFieldName &= xml.name() != u"td";
|
||
|
inFieldValue &= xml.name() != u"td";
|
||
|
}
|
||
|
|
||
|
if (xml.tokenType() == QXmlStreamReader::Characters) {
|
||
|
if (inFlightName)
|
||
|
flightName += xml.text();
|
||
|
if (inFlightStatus)
|
||
|
flightStatus += xml.text();
|
||
|
if (inFieldName)
|
||
|
fieldNames.last() += xml.text();
|
||
|
if (inFieldValue)
|
||
|
fieldValues.last() += xml.text();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (fieldNames.isEmpty()) {
|
||
|
QString code = ui.flightEdit->text().simplified().left(10);
|
||
|
QString msg = QString("Flight %1 is not found").arg(code);
|
||
|
ui.flightName->setText(msg);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
ui.flightName->setText(flightName);
|
||
|
flightStatus.remove("Status: ");
|
||
|
ui.flightStatus->setText(flightStatus);
|
||
|
ui.flightStatus->show();
|
||
|
|
||
|
QStringList whiteList;
|
||
|
whiteList << "Departure";
|
||
|
whiteList << "Arrival";
|
||
|
whiteList << "Scheduled";
|
||
|
whiteList << "Takeoff";
|
||
|
whiteList << "Estimated";
|
||
|
whiteList << "Term-Gate";
|
||
|
|
||
|
QString text;
|
||
|
text = QString("<table width=%1>").arg(width() - 25);
|
||
|
for (int i = 0; i < fieldNames.count(); i++) {
|
||
|
QString fn = fieldNames[i].simplified();
|
||
|
if (fn.endsWith(':'))
|
||
|
fn = fn.left(fn.length() - 1);
|
||
|
if (!whiteList.contains(fn))
|
||
|
continue;
|
||
|
|
||
|
QString fv = fieldValues[i].simplified();
|
||
|
bool special = false;
|
||
|
special |= fn.startsWith("Departure");
|
||
|
special |= fn.startsWith("Arrival");
|
||
|
text += "<tr>";
|
||
|
if (special) {
|
||
|
text += "<td align=center colspan=2>";
|
||
|
text += "<b><font size=+1>" + fv + "</font></b>";
|
||
|
text += "</td>";
|
||
|
} else {
|
||
|
text += "<td align=right>";
|
||
|
text += fn;
|
||
|
text += " : ";
|
||
|
text += " ";
|
||
|
text += "</td>";
|
||
|
text += "<td>";
|
||
|
text += fv;
|
||
|
text += "</td>";
|
||
|
}
|
||
|
text += "</tr>";
|
||
|
}
|
||
|
text += "</table>";
|
||
|
ui.detailedInfo->setText(text);
|
||
|
ui.infoBox->show();
|
||
|
}
|
||
|
|
||
|
void resizeEvent(QResizeEvent *event) {
|
||
|
Q_UNUSED(event);
|
||
|
ui.detailedInfo->setMaximumWidth(width() - 25);
|
||
|
}
|
||
|
|
||
|
void paintEvent(QPaintEvent *event) {
|
||
|
QMainWindow::paintEvent(event);
|
||
|
QPainter p(this);
|
||
|
p.fillRect(rect(), QColor(131, 171, 210));
|
||
|
if (!m_map.isNull()) {
|
||
|
int x = (width() - m_map.width()) / 2;
|
||
|
int space = ui.infoBox->pos().y();
|
||
|
if (!ui.infoBox->isVisible())
|
||
|
space = height();
|
||
|
int top = ui.titleBox->height();
|
||
|
int y = qMax(top, (space - m_map.height()) / 2);
|
||
|
p.drawPixmap(x, y, m_map);
|
||
|
}
|
||
|
p.end();
|
||
|
}
|
||
|
|
||
|
};
|
||
|
|
||
|
|
||
|
#include "flightinfo.moc"
|
||
|
|
||
|
int main(int argc, char **argv)
|
||
|
{
|
||
|
QApplication app(argc, argv);
|
||
|
|
||
|
FlightInfo w;
|
||
|
w.resize(360, 504);
|
||
|
w.show();
|
||
|
|
||
|
return app.exec();
|
||
|
}
|