source: ntrip/trunk/BNC/src/map/bncmapwin.cpp@ 5246

Last change on this file since 5246 was 5246, checked in by mervart, 9 years ago
File size: 4.6 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25/* -------------------------------------------------------------------------
26 * BKG NTRIP Client
27 * -------------------------------------------------------------------------
28 *
29 * Class: bncMapWin
30 *
31 * Purpose: Displays the Google Map
32 *
33 * Author: L. Mervart
34 *
35 * Created: 08-Jun-2013
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include "map/bncmapwin.h"
42#include "bncsettings.h"
43#include "bncutils.h"
44
45// Constructor
46////////////////////////////////////////////////////////////////////////////
47bncMapWin::bncMapWin(QWidget* parent) : QDialog(parent) {
48
49 const int ww = QFontMetrics(font()).width('w');
50
51 setWindowTitle("BNC: Map View");
52
53 // Current Coordinates
54 // -------------------
55 _currLat = 50.09057949; // BKG latitude
56 _currLon = 8.66496871; // BKG longitude
57
58 _webView = new QWebView(this);
59 connect(_webView, SIGNAL(loadFinished(bool)), this, SLOT(slotInitMap(bool)));
60
61 loadHtmlPage();
62
63 _webView->show();
64
65 _statusLabel = new QLabel;
66
67 // Layout
68 // ------
69 QHBoxLayout* statusLayout = new QHBoxLayout;
70 statusLayout->addWidget(_statusLabel);
71
72 QVBoxLayout* mainLayout = new QVBoxLayout(this);
73 mainLayout->addWidget(_webView);
74 mainLayout->addLayout(statusLayout);
75
76 setLayout(mainLayout);
77 resize(60*ww, 60*ww);
78
79 show();
80}
81
82// Destructor
83////////////////////////////////////////////////////////////////////////////
84bncMapWin::~bncMapWin() {
85}
86
87//
88////////////////////////////////////////////////////////////////////////////
89void bncMapWin::loadHtmlPage() {
90
91 bncSettings settings;
92
93 QFile htmlFile;
94 if (settings.value("useOsmMap").toBool()) {
95 htmlFile.setFileName(":/map/map_osm.html");
96 }
97 else {
98 htmlFile.setFileName(":/map/map_gm.html");
99 }
100 if (!htmlFile.open(QFile::ReadOnly)) {
101 qDebug() << "bncMapWin:: cannot open html file";
102 return;
103 }
104
105 QTextStream stream(&htmlFile);
106 QString html = stream.readAll();
107
108 _webView->setHtml(html);
109}
110
111//
112////////////////////////////////////////////////////////////////////////////
113void bncMapWin::slotInitMap(bool isOk) {
114 if (!isOk) {
115 return;
116 }
117 bncSettings settings;
118 int useTrace = (Qt::CheckState(settings.value("mapWinTrace").toInt()) == Qt::Checked) ? 1 : 0;
119 QString location = QString("%1, %2, %3").arg(_currLat,0,'f',8).arg(_currLon,0,'f',8).arg(useTrace);
120 _webView->page()->mainFrame()->evaluateJavaScript(QString("initialize( %1 )").arg(location));
121}
122
123//
124////////////////////////////////////////////////////////////////////////////
125void bncMapWin::gotoLocation(double lat, double lon) {
126 _currLat = lat;
127 _currLon = lon;
128
129 int latDeg, latMin;
130 double latSec;
131 deg2DMS(lat, latDeg, latMin, latSec);
132
133 int lonDeg, lonMin;
134 double lonSec;
135 deg2DMS(lon, lonDeg, lonMin, lonSec);
136
137 QString lblStr=QString("Latitude: %1 %2 %3 Longitude: %4 %5 %6")
138 .arg(latDeg).arg(latMin).arg(latSec,0,'f',4)
139 .arg(lonDeg).arg(lonMin).arg(lonSec,0,'f',4);
140 _statusLabel->setText(lblStr);
141
142 QString location = QString("%1, %2").arg(_currLat,0,'f',8).arg(_currLon,0,'f',8);
143 _webView->page()->mainFrame()->evaluateJavaScript(QString("gotoLocation( %1 )").arg(location));
144}
145
146//
147////////////////////////////////////////////////////////////////////////////
148void bncMapWin::slotNewPosition(bncTime /* time */, double xx, double yy, double zz) {
149 double xyz[3];
150 xyz[0] = xx;
151 xyz[1] = yy;
152 xyz[2] = zz;
153 double ell[3];
154 xyz2ell(xyz, ell);
155 gotoLocation(ell[0]*180.0/M_PI, ell[1]*180.0/M_PI);
156}
157
158// Close Dialog gracefully
159////////////////////////////////////////////////////////////////////////////
160void bncMapWin::closeEvent(QCloseEvent* event) {
161 emit mapClosed();
162 QDialog::closeEvent(event);
163}
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