Kstars

modcalcsidtime.cpp
1/*
2 SPDX-FileCopyrightText: 2002 Pablo de Vicente <vicente@oan.es>
3
4 SPDX-License-Identifier: GPL-2.0-or-later
5*/
6
7#include "modcalcsidtime.h"
8
9#include "kstarsdata.h"
10#include "kstarsdatetime.h"
11#include "ksnotification.h"
12#include "dialogs/locationdialog.h"
13
14#include <KLineEdit>
15
16#include <QTextStream>
17
18// Qt version calming
19#include <qtskipemptyparts.h>
20
21modCalcSidTime::modCalcSidTime(QWidget *parent) : QFrame(parent)
22{
23 setupUi(this);
24
25 //Preset date and location
26 showCurrentTimeAndLocation();
27
28 // signals and slots connections
29 connect(LocationButton, SIGNAL(clicked()), this, SLOT(slotChangeLocation()));
30 connect(Date, SIGNAL(dateChanged(QDate)), this, SLOT(slotChangeDate()));
31 connect(LT, SIGNAL(timeChanged(QTime)), this, SLOT(slotConvertST(QTime)));
32 connect(ST, SIGNAL(timeChanged(QTime)), this, SLOT(slotConvertLT(QTime)));
33
34 connect(LocationCheckBatch, SIGNAL(clicked()), this, SLOT(slotLocationChecked()));
35 connect(DateCheckBatch, SIGNAL(clicked()), this, SLOT(slotDateChecked()));
36 connect(LocationCheckBatch, SIGNAL(clicked()), this, SLOT(slotHelpLabel()));
37 connect(DateCheckBatch, SIGNAL(clicked()), this, SLOT(slotHelpLabel()));
38 connect(ComputeComboBatch, SIGNAL(currentIndexChanged(int)), this, SLOT(slotHelpLabel()));
39
40 connect(InputFileBatch, SIGNAL(urlSelected(QUrl)), this, SLOT(slotCheckFiles()));
41 connect(OutputFileBatch, SIGNAL(urlSelected(QUrl)), this, SLOT(slotCheckFiles()));
42 connect(LocationButtonBatch, SIGNAL(clicked()), this, SLOT(slotLocationBatch()));
43 connect(RunButtonBatch, SIGNAL(clicked()), this, SLOT(slotRunBatch()));
44 connect(ViewButtonBatch, SIGNAL(clicked()), this, SLOT(slotViewBatch()));
45
46 RunButtonBatch->setEnabled(false);
47 ViewButtonBatch->setEnabled(false);
48
49 show();
50}
51
52void modCalcSidTime::showCurrentTimeAndLocation()
53{
54 KStarsData *data = KStarsData::Instance();
55 LT->setTime(data->lt().time());
56 Date->setDate(data->lt().date());
57
58 geo = data->geo();
59 LocationButton->setText(geo->fullName());
60 geoBatch = data->geo();
61 LocationButtonBatch->setText(geoBatch->fullName());
62
63 slotConvertST(LT->time());
64}
65
66void modCalcSidTime::slotChangeLocation()
67{
69
70 if (ld->exec() == QDialog::Accepted)
71 {
72 GeoLocation *newGeo = ld->selectedCity();
73 if (newGeo)
74 {
75 geo = newGeo;
76 LocationButton->setText(geo->fullName());
77
78 //Update the displayed ST
79 slotConvertST(LT->time());
80 }
81 }
82 delete ld;
83}
84
85void modCalcSidTime::slotChangeDate()
86{
87 slotConvertST(LT->time());
88}
89
90void modCalcSidTime::slotConvertST(const QTime &lt)
91{
92 // blockSignals is used to break signal loop
93 ST->blockSignals(true);
94 ST->setTime(computeLTtoST(lt));
95 ST->blockSignals(false);
96}
97
98void modCalcSidTime::slotConvertLT(const QTime &st)
99{
100 // blockSignals is used to break signal loop
101 LT->blockSignals(true);
102 LT->setTime(computeSTtoLT(st));
103 LT->blockSignals(false);
104}
105
106QTime modCalcSidTime::computeLTtoST(QTime lt)
107{
108 KStarsDateTime utdt = geo->LTtoUT(KStarsDateTime(Date->date(), lt));
109 dms st = geo->GSTtoLST(utdt.gst());
110 return QTime(st.hour(), st.minute(), st.second());
111}
112
113QTime modCalcSidTime::computeSTtoLT(QTime st)
114{
115 KStarsDateTime dt0 = KStarsDateTime(Date->date(), QTime(0, 0, 0));
116 dms lst;
117 lst.setH(st.hour(), st.minute(), st.second());
118 dms gst = geo->LSTtoGST(lst);
119 return geo->UTtoLT(KStarsDateTime(Date->date(), dt0.GSTtoUT(gst))).time();
120}
121
122//** Batch mode **//
123void modCalcSidTime::slotDateChecked()
124{
125 DateBatch->setEnabled(!DateCheckBatch->isChecked());
126}
127
128void modCalcSidTime::slotLocationChecked()
129{
130 LocationButtonBatch->setEnabled(!LocationCheckBatch->isChecked());
131
132 if (LocationCheckBatch->isChecked())
133 {
134 QString message = i18n("Location strings consist of the "
135 "comma-separated names of the city, province and country. "
136 "If the string contains spaces, enclose it in quotes so it "
137 "gets parsed properly.");
138
139 KMessageBox::information(nullptr, message, i18n("Hint for writing location strings"),
140 "DontShowLocationStringMessageBox");
141 }
142}
143
144void modCalcSidTime::slotHelpLabel()
145{
147 if (ComputeComboBatch->currentIndex() == 0)
148 inList.append(i18n("local time"));
149 else
150 inList.append(i18n("sidereal time"));
151
152 if (DateCheckBatch->checkState() == Qt::Checked)
153 inList.append(i18n("date"));
154
155 if (LocationCheckBatch->checkState() == Qt::Checked)
156 inList.append(i18n("location"));
157
159 if (inList.size() == 2)
160 inListString = i18n("%1 and %2", inList[0], inList[1]);
161 if (inList.size() == 3)
162 inListString = i18n("%1, %2 and %3", inList[0], inList[1], inList[2]);
163
164 HelpLabel->setText(i18n("Specify %1 in the input file.", inListString));
165}
166
167void modCalcSidTime::slotLocationBatch()
168{
170
171 if (ld->exec() == QDialog::Accepted)
172 {
173 GeoLocation *newGeo = ld->selectedCity();
174 if (newGeo)
175 {
176 geoBatch = newGeo;
177 LocationButtonBatch->setText(geoBatch->fullName());
178 }
179 }
180 delete ld;
181}
182
183void modCalcSidTime::slotCheckFiles()
184{
185 if (!InputFileBatch->lineEdit()->text().isEmpty() && !OutputFileBatch->lineEdit()->text().isEmpty())
186 {
187 RunButtonBatch->setEnabled(true);
188 }
189 else
190 {
191 RunButtonBatch->setEnabled(false);
192 }
193}
194
195void modCalcSidTime::slotRunBatch()
196{
197 QString inputFileName = InputFileBatch->url().toLocalFile();
198
200 {
202 if (!f.open(QIODevice::ReadOnly))
203 {
204 QString message = i18n("Could not open file %1.", f.fileName());
205 KSNotification::sorry(message, i18n("Could Not Open File"));
206 inputFileName.clear();
207 return;
208 }
209
211 processLines(istream);
212
213 ViewButtonBatch->setEnabled(true);
214
215 f.close();
216 }
217 else
218 {
219 QString message = i18n("Invalid file: %1", inputFileName);
220 KSNotification::sorry(message, i18n("Invalid file"));
221 inputFileName.clear();
222 return;
223 }
224}
225
226void modCalcSidTime::processLines(QTextStream &istream)
227{
228 QFile fOut(OutputFileBatch->url().toLocalFile());
231
232 QString line;
233 dms LST;
235 QDate dt;
236
237 if (!DateCheckBatch->isChecked())
238 dt = DateBatch->date();
239
240 while (!istream.atEnd())
241 {
242 line = istream.readLine();
243 line = line.trimmed();
244
245 QStringList fields = line.split(' ', Qt::SkipEmptyParts);
246
247 //Find and parse the location string
248 if (LocationCheckBatch->isChecked())
249 {
250 //First, look for a pair of quotation marks, and parse the string between them
251 QChar q = '\"';
252 if (line.indexOf(q) == -1)
253 q = '\'';
254 if (line.count(q) == 2)
255 {
256 int iStart = line.indexOf(q);
257 int iEnd = line.indexOf(q, iStart + 1);
258 QString locationString = line.mid(iStart, iEnd - iStart + 1);
259 line.remove(locationString);
260 fields = line.split(' ', Qt::SkipEmptyParts);
261 locationString.remove(q);
262
263 QStringList locationFields = locationString.split(',', Qt::SkipEmptyParts);
264 for (int i = 0; i < locationFields.size(); i++)
265 locationFields[i] = locationFields[i].trimmed();
266
267 if (locationFields.size() == 1)
268 locationFields.insert(1, "");
269 if (locationFields.size() == 2)
270 locationFields.insert(1, "");
271 if (locationFields.size() != 3)
272 {
273 qDebug() << Q_FUNC_INFO << "Error: could not parse location string: " << locationString;
274 continue;
275 }
276
277 geoBatch = KStarsData::Instance()->locationNamed(locationFields[0], locationFields[1],
278 locationFields[2]);
279 if (geoBatch == nullptr)
280 {
281 qDebug() << Q_FUNC_INFO << "Error: location not found in database: " << locationString;
282 continue;
283 }
284 }
285 }
286
287 if (DateCheckBatch->isChecked())
288 {
289 //Parse one of the fields as the date
290 for (auto &s : fields)
291 {
292 dt = QDate::fromString(s);
293 if (dt.isValid())
294 break;
295 }
296 if (!dt.isValid())
297 {
298 qDebug() << Q_FUNC_INFO << "Error: did not find a valid date string in: " << line;
299 continue;
300 }
301 }
302
303 //Parse one of the fields as the time
304 for (auto &s : fields)
305 {
306 if (s.contains(':'))
307 {
308 inTime = QTime::fromString(s.length() == 4 ? '0' + s : s);
309 if (inTime.isValid())
310 break;
311 }
312 }
313 if (!inTime.isValid())
314 {
315 qDebug() << Q_FUNC_INFO << "Error: did not find a valid time string in: " << line;
316 continue;
317 }
318
319 if (geoBatch != nullptr)
320 {
321 if (ComputeComboBatch->currentIndex() == 0)
322 {
323 //inTime is the local time, compute LST
325 ksdt = geoBatch->LTtoUT(ksdt);
326 dms lst = geoBatch->GSTtoLST(ksdt.gst());
327 outTime = QTime(lst.hour(), lst.minute(), lst.second());
328 }
329 else
330 {
331 //inTime is the sidereal time, compute the local time
332 KStarsDateTime ksdt(dt, QTime(0, 0, 0));
333 dms lst;
334 lst.setH(inTime.hour(), inTime.minute(), inTime.second());
335 QTime ut = ksdt.GSTtoUT(geoBatch->LSTtoGST(lst));
336 ksdt.setTime(ut);
337 ksdt = geoBatch->UTtoLT(ksdt);
338 outTime = ksdt.time();
339 }
340
341 //Write to output file
342 ostream << QLocale().toString(dt, QLocale::LongFormat) << " \"" << geoBatch->fullName() << "\" "
343 << QLocale().toString(inTime) << " " << QLocale().toString(outTime) << '\n';
344 }
345 }
346
347 fOut.close();
348}
349
350void modCalcSidTime::slotViewBatch()
351{
352 QFile fOut(OutputFileBatch->url().toLocalFile());
355 QStringList text;
356
357 while (!istream.atEnd())
358 text.append(istream.readLine());
359
360 fOut.close();
361
362 KMessageBox::informationList(nullptr, i18n("Results of Sidereal time calculation"), text,
363 OutputFileBatch->url().toLocalFile());
364}
Contains all relevant information for specifying a location on Earth: City Name, State/Province name,...
Definition geolocation.h:28
QString fullName() const
KStarsData is the backbone of KStars.
Definition kstarsdata.h:72
const KStarsDateTime & lt() const
Definition kstarsdata.h:151
GeoLocation * geo()
Definition kstarsdata.h:230
Extension of QDateTime for KStars KStarsDateTime can represent the date/time as a Julian Day,...
Dialog for changing the geographic location of the observer.
An angle, stored as degrees, but expressible in many ways.
Definition dms.h:38
virtual void setH(const double &x)
Sets floating-point value of angle, in hours.
Definition dms.h:210
int second() const
Definition dms.cpp:231
int minute() const
Definition dms.cpp:221
int hour() const
Definition dms.h:147
QString i18n(const char *text, const TYPE &arg...)
void informationList(QWidget *parent, const QString &text, const QStringList &strlist, const QString &title=QString(), const QString &dontShowAgainName=QString(), Options options=Notify)
void information(QWidget *parent, const QString &text, const QString &title=QString(), const QString &dontShowAgainName=QString(), Options options=Notify)
QDate fromString(QStringView string, QStringView format, QCalendar cal)
bool isValid(int year, int month, int day)
QTime time() const const
bool exists() const const
void append(QList< T > &&value)
QString toString(QDate date, FormatType format) const const
qsizetype count() const const
qsizetype indexOf(QChar ch, qsizetype from, Qt::CaseSensitivity cs) const const
QString mid(qsizetype position, qsizetype n) const const
QString & remove(QChar ch, Qt::CaseSensitivity cs)
QStringList split(QChar sep, Qt::SplitBehavior behavior, Qt::CaseSensitivity cs) const const
QString trimmed() const const
SkipEmptyParts
QFuture< ArgsType< Signal > > connect(Sender *sender, Signal signal)
QTime fromString(QStringView string, QStringView format)
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