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201 lines
5.4 KiB
201 lines
5.4 KiB
/***************************************************************************
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frequencyradiostation.cpp - description
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-------------------
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begin : Sat March 29 2003
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copyright : (C) 2003 by Klas Kalass, Ernst Martin Witte
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email : klas@kde.org, witte@kawo1.rwth-aachen.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "include/frequencyradiostation.h"
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#include <typeinfo>
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#include "include/radiostation-config.h"
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#include <tdelocale.h>
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#include <tdeglobal.h>
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/////////////////////////////////////////////////////////////////////////////
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const char *StationFrequencyElement = "frequency";
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static FrequencyRadioStation emptyFrequencyRadioStation(registerStationClass);
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/////////////////////////////////////////////////////////////////////////////
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FrequencyRadioStation::FrequencyRadioStation (RegisterStationClass, const TQString &classname)
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: RadioStation(registerStationClass, !classname.isNull() ? classname : getClassName()),
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m_frequency(0)
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{
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}
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FrequencyRadioStation::FrequencyRadioStation()
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: RadioStation(),
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m_frequency(0)
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{
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}
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FrequencyRadioStation::FrequencyRadioStation(float frequency)
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: RadioStation(),
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m_frequency(frequency)
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{
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}
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FrequencyRadioStation::FrequencyRadioStation(const TQString &name,
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const TQString &shortName,
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float frequency)
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: RadioStation(name, shortName),
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m_frequency(frequency)
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{
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}
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FrequencyRadioStation::FrequencyRadioStation(FrequencyRadioStation const &s)
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: RadioStation(s),
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m_frequency(s.m_frequency)
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{
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}
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/** returns an exact copy of this station */
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RadioStation *FrequencyRadioStation::copy() const
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{
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return new FrequencyRadioStation(*this);
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}
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RadioStation *FrequencyRadioStation::copyNewID() const
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{
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RadioStation *x = new FrequencyRadioStation(*this);
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x->generateNewStationID();
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return x;
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}
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FrequencyRadioStation::~FrequencyRadioStation()
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{
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}
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/* = 0 : "this" is same as "s", i.e. approximately same frequency
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> 0 : this.frequency > s.frequency
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< 0 : this.frequency < s.frequency
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other class than FrequencyRadioStation: compare typeid(.).name()
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*/
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int FrequencyRadioStation::compare(const RadioStation &_s) const
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{
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FrequencyRadioStation const *s = dynamic_cast<FrequencyRadioStation const*>(&_s);
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if (!s) {
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return (typeid(this).name() > typeid(&_s).name()) ? 1 : -1;
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}
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// stations with no valid frequency are never identical
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if (m_frequency == 0)
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return -1;
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if (s->m_frequency == 0)
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return 1;
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float delta = (m_frequency < 10) ? STATION_FREQ_INTERVAL_AM : STATION_FREQ_INTERVAL_FM;
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if ( m_frequency + delta/4 > s->m_frequency
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&& m_frequency - delta/4 < s->m_frequency)
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{
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return 0;
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} else {
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return (m_frequency > s->m_frequency) ? 1 : -1;
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}
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}
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TQString FrequencyRadioStation::longName() const
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{
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TQString longN = name();
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if (!longN.isEmpty()) {
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longN = i18n("%1, %2").arg(longN).arg(description());
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} else {
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longN = description();
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}
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return longN;
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}
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TQString FrequencyRadioStation::description() const
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{
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float cf = frequency();
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TQString f;
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if (cf >= 10)
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f = i18n("%1 MHz").arg(TDEGlobal::locale()->formatNumber(cf, 2));
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else
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f = i18n("%1 kHz").arg(TDEGlobal::locale()->formatNumber(cf * 1000, 0));
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return f;
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}
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bool FrequencyRadioStation::isValid() const
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{
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return m_frequency > 0;
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}
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bool FrequencyRadioStation::setProperty(const TQString &pn, const TQString &val)
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{
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bool retval = false;
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if (pn == StationFrequencyElement) {
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float f = val.toFloat(&retval);
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if (retval)
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m_frequency = f;
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} else {
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retval = RadioStation::setProperty(pn, val);
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}
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return retval;
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}
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TQString FrequencyRadioStation::getProperty(const TQString &pn) const
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{
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if (pn == StationFrequencyElement) {
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return TQString().setNum(m_frequency);
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} else {
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return RadioStation::getProperty(pn);
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}
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}
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TQStringList FrequencyRadioStation::getPropertyNames() const
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{
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TQStringList l = RadioStation::getPropertyNames();
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l.push_back(StationFrequencyElement);
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return l;
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}
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RadioStationConfig *FrequencyRadioStation::createEditor() const
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{
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return new FrequencyRadioStationConfig(NULL);
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}
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bool FrequencyRadioStation::operator == (const RadioStation &x) const
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{
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if (!RadioStation::operator == (x))
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return false;
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FrequencyRadioStation const *fx = dynamic_cast<FrequencyRadioStation const*>(&x);
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if (!fx)
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return false;
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float delta = (m_frequency < 10) ? STATION_FREQ_INTERVAL_AM : STATION_FREQ_INTERVAL_FM;
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return m_frequency + delta/4 > fx->m_frequency
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&& m_frequency - delta/4 < fx->m_frequency;
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}
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