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/***************************************************************************
focusdialog.cpp - description
-------------------
begin : Sat Mar 23 2002
copyright : (C) 2002 by Jason Harris
email : kstars@30doradus.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <qtabwidget.h>
#include <qlayout.h>
#include <kdebug.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <qstring.h>
#include <knumvalidator.h>
#include "kstars.h"
#include "kstarsdata.h"
#include "dms.h"
#include "skypoint.h"
#include "dmsbox.h"
#include "focusdialog.h"
FocusDialog::FocusDialog( QWidget *parent )
: KDialogBase( KDialogBase::Plain, i18n( "Set Focus Manually" ), Ok|Cancel, Ok, parent ) {
Point = 0; //initialize pointer to null
UsedAltAz = false; //assume RA/Dec by default
QFrame *page = plainPage();
setMainWidget(page);
QVBoxLayout *vlay = new QVBoxLayout( page, 0, spacingHint() );
fdlg = new FocusDialogDlg(page);
fdlg->epochName->setValidator( new KDoubleValidator( fdlg->epochName ) );
vlay->addWidget( fdlg );
connect( fdlg->raBox, SIGNAL(textChanged( const QString & ) ), this, SLOT( checkLineEdits() ) );
connect( fdlg->decBox, SIGNAL(textChanged( const QString & ) ), this, SLOT( checkLineEdits() ) );
connect( fdlg->azBox, SIGNAL(textChanged( const QString & ) ), this, SLOT( checkLineEdits() ) );
connect( fdlg->altBox, SIGNAL(textChanged( const QString & ) ), this, SLOT( checkLineEdits() ) );
connect( this, SIGNAL( okClicked() ), this, SLOT( validatePoint() ) );
fdlg->raBox->setDegType(false); //RA box should be HMS-style
fdlg->raBox->setFocus(); //set input focus
enableButtonOK( false ); //disable until both lineedits are filled
}
FocusDialog::~FocusDialog(){
}
void FocusDialog::checkLineEdits() {
bool raOk(false), decOk(false), azOk(false), altOk(false);
fdlg->raBox->createDms( false, &raOk );
fdlg->decBox->createDms( true, &decOk );
fdlg->azBox->createDms( true, &azOk );
fdlg->altBox->createDms( true, &altOk );
if ( ( raOk && decOk ) || ( azOk && altOk ) )
enableButtonOK( true );
else
enableButtonOK( false );
}
void FocusDialog::slotOk() {
emit okClicked();
}
void FocusDialog::validatePoint() {
bool raOk(false), decOk(false), azOk(false), altOk(false);
dms ra( fdlg->raBox->createDms( false, &raOk ) ); //false means expressed in hours
dms dec( fdlg->decBox->createDms( true, &decOk ) );
QString message;
KStars *ks = (KStars*) parent();
if ( raOk && decOk ) {
//make sure values are in valid range
if ( ra.Hours() < 0.0 || ra.Hours() > 24.0 )
message = i18n( "The Right Ascension value must be between 0.0 and 24.0." );
if ( dec.Degrees() < -90.0 || dec.Degrees() > 90.0 )
message += "\n" + i18n( "The Declination value must be between -90.0 and 90.0." );
if ( ! message.isEmpty() ) {
KMessageBox::sorry( 0, message, i18n( "Invalid Coordinate Data" ) );
return;
}
Point = new SkyPoint( ra, dec );
double epoch0 = getEpoch( fdlg->epochName->text() );
long double jd0 = epochToJd ( epoch0 );
Point->apparentCoord(jd0, ks->data()->ut().djd() );
QDialog::accept();
} else {
dms az( fdlg->azBox->createDms( true, &azOk ) );
dms alt( fdlg->altBox->createDms( true, &altOk ) );
if ( azOk && altOk ) {
//make sure values are in valid range
if ( az.Degrees() < 0.0 || az.Degrees() > 360.0 )
message = i18n( "The Azimuth value must be between 0.0 and 360.0." );
if ( alt.Degrees() < -90.0 || alt.Degrees() > 90.0 )
message += "\n" + i18n( "The Altitude value must be between -90.0 and 90.0." );
if ( ! message.isEmpty() ) {
KMessageBox::sorry( 0, message, i18n( "Invalid Coordinate Data" ) );
return;
}
Point = new SkyPoint();
Point->setAz( az );
Point->setAlt( alt );
UsedAltAz = true;
QDialog::accept();
} else {
QDialog::reject();
}
}
}
double FocusDialog::getEpoch (QString eName) {
//If eName is empty (or not a number) assume 2000.0
bool ok(false);
double epoch = eName.toDouble( &ok );
if ( eName.isEmpty() || ! ok )
return 2000.0;
return epoch;
}
long double FocusDialog::epochToJd (double epoch) {
double yearsTo2000 = 2000.0 - epoch;
if (epoch == 1950.0) {
return 2433282.4235;
} else if ( epoch == 2000.0 ) {
return J2000;
} else {
return ( J2000 - yearsTo2000 * 365.2425 );
}
}
QSize FocusDialog::sizeHint() const
{
return QSize(240,210);
}
void FocusDialog::activateAzAltPage() {
fdlg->fdTab->showPage( fdlg->aaTab );
fdlg->azBox->setFocus();
}
#include "focusdialog.moc"
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