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/***************************************************************************
frequencyradiostation.cpp - description
-------------------
begin : Sat March 29 2003
copyright : (C) 2003 by Klas Kalass, Ernst Martin Witte
email : klas@kde.org, witte@kawo1.rwth-aachen.de
***************************************************************************/
/***************************************************************************
* *
* 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 "include/frequencyradiostation.h"
#include <typeinfo>
#include "include/radiostation-config.h"
#include <klocale.h>
#include <kglobal.h>
/////////////////////////////////////////////////////////////////////////////
const char *StationFrequencyElement = "frequency";
static FrequencyRadioStation emptyFrequencyRadioStation(registerStationClass);
/////////////////////////////////////////////////////////////////////////////
FrequencyRadioStation::FrequencyRadioStation (RegisterStationClass, const TQString &classname)
: RadioStation(registerStationClass, !classname.isNull() ? classname : getClassName()),
m_frequency(0)
{
}
FrequencyRadioStation::FrequencyRadioStation()
: RadioStation(),
m_frequency(0)
{
}
FrequencyRadioStation::FrequencyRadioStation(float frequency)
: RadioStation(),
m_frequency(frequency)
{
}
FrequencyRadioStation::FrequencyRadioStation(const TQString &name,
const TQString &shortName,
float frequency)
: RadioStation(name, shortName),
m_frequency(frequency)
{
}
FrequencyRadioStation::FrequencyRadioStation(FrequencyRadioStation const &s)
: RadioStation(s),
m_frequency(s.m_frequency)
{
}
/** returns an exact copy of this station */
RadioStation *FrequencyRadioStation::copy() const
{
return new FrequencyRadioStation(*this);
}
RadioStation *FrequencyRadioStation::copyNewID() const
{
RadioStation *x = new FrequencyRadioStation(*this);
x->generateNewStationID();
return x;
}
FrequencyRadioStation::~FrequencyRadioStation()
{
}
/* = 0 : "this" is same as "s", i.e. approximately same frequency
> 0 : this.frequency > s.frequency
< 0 : this.frequency < s.frequency
other class than FrequencyRadioStation: compare typeid(.).name()
*/
int FrequencyRadioStation::compare(const RadioStation &_s) const
{
FrequencyRadioStation const *s = dynamic_cast<FrequencyRadioStation const*>(&_s);
if (!s) {
return (typeid(this).name() > typeid(&_s).name()) ? 1 : -1;
}
// stations with no valid frequency are never identical
if (m_frequency == 0)
return -1;
if (s->m_frequency == 0)
return 1;
float delta = (m_frequency < 10) ? STATION_FREQ_INTERVAL_AM : STATION_FREQ_INTERVAL_FM;
if ( m_frequency + delta/4 > s->m_frequency
&& m_frequency - delta/4 < s->m_frequency)
{
return 0;
} else {
return (m_frequency > s->m_frequency) ? 1 : -1;
}
}
TQString FrequencyRadioStation::longName() const
{
TQString longN = name();
if (!longN.isEmpty()) {
longN = i18n("%1, %2").arg(longN).arg(description());
} else {
longN = description();
}
return longN;
}
TQString FrequencyRadioStation::description() const
{
float cf = frequency();
TQString f;
if (cf >= 10)
f = i18n("%1 MHz").arg(KGlobal::locale()->formatNumber(cf, 2));
else
f = i18n("%1 kHz").arg(KGlobal::locale()->formatNumber(cf * 1000, 0));
return f;
}
bool FrequencyRadioStation::isValid() const
{
return m_frequency > 0;
}
bool FrequencyRadioStation::setProperty(const TQString &pn, const TQString &val)
{
bool retval = false;
if (pn == StationFrequencyElement) {
float f = val.toFloat(&retval);
if (retval)
m_frequency = f;
} else {
retval = RadioStation::setProperty(pn, val);
}
return retval;
}
TQString FrequencyRadioStation::getProperty(const TQString &pn) const
{
if (pn == StationFrequencyElement) {
return TQString().setNum(m_frequency);
} else {
return RadioStation::getProperty(pn);
}
}
TQStringList FrequencyRadioStation::getPropertyNames() const
{
TQStringList l = RadioStation::getPropertyNames();
l.push_back(StationFrequencyElement);
return l;
}
RadioStationConfig *FrequencyRadioStation::createEditor() const
{
return new FrequencyRadioStationConfig(NULL);
}
bool FrequencyRadioStation::operator == (const RadioStation &x) const
{
if (!RadioStation::operator == (x))
return false;
FrequencyRadioStation const *fx = dynamic_cast<FrequencyRadioStation const*>(&x);
if (!fx)
return false;
float delta = (m_frequency < 10) ? STATION_FREQ_INTERVAL_AM : STATION_FREQ_INTERVAL_FM;
return m_frequency + delta/4 > fx->m_frequency
&& m_frequency - delta/4 < fx->m_frequency;
}
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