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tdetoys/kweather/kweather.cpp

426 lines
13 KiB

/***************************************************************************
kweather.cpp - description
-------------------
begin : Wed Jul 5 23:09:02 CDT 2000
copyright : (C) 2000-2003 by Ian Reinhart Geiser
: (C) 2002-2003 Nadeem Hasan <nhasan@kde.org>
email : geiseri@msoe.edu
***************************************************************************/
/***************************************************************************
* *
* 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 <kaboutapplication.h>
#include <kapplication.h>
#include <kcmultidialog.h>
#include <kdebug.h>
#include <klocale.h>
#include <kiconloader.h>
#include <kmessagebox.h>
#include <kpopupmenu.h>
#include <kconfig.h>
#include <ksettings/dialog.h>
#include <ksettings/dispatcher.h>
#include <dcopclient.h>
#include <tqfile.h>
#include <tqtimer.h>
#include <tqpalette.h>
#include "kweather.h"
#include "reportview.h"
#include "dockwidget.h"
#include "weatherservice_stub.h"
extern "C"
{
KDE_EXPORT KPanelApplet* init(TQWidget *parent, const TQString& configFile)
{
KGlobal::locale()->insertCatalogue("kweather");
kweather *theApplet = new kweather(configFile, KPanelApplet::Normal,
0, parent, "kweather");
return theApplet;
}
}
kweather::kweather(const TQString& configFile, Type t, int actions,
TQWidget *parent, const char *name):
KPanelApplet(configFile, t, actions, parent, name), weatherIface(),
mFirstRun( false ), mReport( 0 ), mClient( 0 ),
mContextMenu( 0 ), mWeatherService( 0 ), settingsDialog( 0 ), mTextColor(TQt::black)
{
kdDebug(12004) << "Constructor " << endl;
setObjId("weatherIface");
setBackgroundOrigin( TQWidget::AncestorOrigin );
loadPrefs();
initContextMenu();
initDCOP();
dockWidget = new dockwidget(reportLocation, this, "dockwidget");
connect(dockWidget, TQT_SIGNAL(buttonClicked()), TQT_SLOT(doReport()));
dockWidget->setViewMode(mViewMode);
setLabelColor();
timeOut = new TQTimer(this, "timeOut" );
connect(timeOut, TQT_SIGNAL(timeout()), TQT_SLOT(timeout()));
timeOut->start(10*60*1000);
if(mFirstRun)
preferences();
else
timeout();
}
kweather::~kweather()
{
delete mWeatherService;
}
void kweather::initContextMenu()
{
mContextMenu = new KPopupMenu(this);
mContextMenu->insertTitle(i18n("KWeather - %1").arg( reportLocation ), -1, 0);
mContextMenu->insertItem(SmallIcon("viewmag"), i18n("Show &Report"),
this, TQT_SLOT(doReport()), 0, -1, 1);
mContextMenu->insertItem(SmallIcon("reload"), i18n("&Update Now"),
this, TQT_SLOT(slotUpdateNow()), 0, -1, 2);
mContextMenu->insertSeparator();
mContextMenu->insertItem(SmallIcon("kweather"), i18n("&About KWeather"), this, TQT_SLOT(about()));
mContextMenu->insertItem(SmallIcon("configure"),
i18n("&Configure KWeather..."), this, TQT_SLOT(preferences()));
setCustomMenu(mContextMenu);
}
void kweather::initDCOP()
{
if ( !mClient )
mClient = KApplication::dcopClient();
if(!mClient->isAttached())
mClient->attach();
if(!attach())
return;
kdDebug(12004) << "attached to the server..." << endl;
if ( mWeatherService )
delete mWeatherService;
mWeatherService = new WeatherService_stub( "KWeatherService", "WeatherService" );
if (!connectDCOPSignal(0, 0, "fileUpdate(TQString)",
"refresh(TQString)",false))
kdDebug(12004) << "Could not attach dcop signal..." << endl;
else
kdDebug(12004) << "attached dcop signals..." << endl;
}
/** about box */
void kweather::about(){
kdDebug(12004) << "Telling about" << endl;
KAboutData aboutData("KWeather", "KWeather", "2.1.0",
I18N_NOOP("Weather applet for the Kicker"), KAboutData::License_GPL_V2);
aboutData.addAuthor("Ian Reinhart Geiser", "", "geiseri@kde.org",
"http://www.kde.org/");
//aboutData.addAuthor("Nadeem Hasan", "", "nhasan@nadmm.com", "http://www.nadmm.com/");
aboutData.addCredit("Nadeem Hasan", I18N_NOOP("Lots of bugfixes,"
" improvements and cleanups."), "nhasan@nadmm.com");
aboutData.addCredit("Will Andrews", I18N_NOOP("Fixed for BSD port"),
"wca@users.sourceforge.net", "");
aboutData.addCredit("Ben Burton", I18N_NOOP("Debian fixes"), "benb@acm.org");
aboutData.addCredit("Otto Bruggeman", I18N_NOOP("Fixed the i18n stuff and"
" made sure the indentation was consistent :P"), "bruggie@home.nl");
aboutData.addCredit( "Carles Carbonell Bernado",
I18N_NOOP( "Great new weather icons" ), "mail@carlitus.net" );
aboutData.addCredit( "John Ratke",
I18N_NOOP( "Improvements and more code cleanups" ), "jratke@comcast.net" );
KAboutApplication about(&aboutData, this, 0);
about.setProgramLogo( KGlobal::instance()->iconLoader()->iconPath( "kweather", -KIcon::SizeLarge ) );
about.exec();
}
/** prefs */
void kweather::preferences()
{
kdDebug(12004) << "prefs" << endl;
savePrefs();
if ( settingsDialog == 0 )
{
settingsDialog = new KCMultiDialog( this );
connect( settingsDialog, TQT_SIGNAL( configCommitted() ), TQT_SLOT( slotPrefsAccepted() ) );
settingsDialog->addModule( "kcmweather.desktop" );
settingsDialog->addModule( "kcmweatherservice.desktop" );
}
settingsDialog->show();
settingsDialog->raise();
}
/** The help handler */
void kweather::help()
{
kapp->invokeHelp(TQString(), TQString::fromLatin1("kweather"));
}
/** Display the current weather report. */
void kweather::doReport()
{
if ( reportLocation.isEmpty() )
{
// no station to display defined -> open settings dialog
preferences();
return;
}
kdDebug(12004) << "Showing out the report" << endl;
if ( mReport == 0 )
{
mReport = new reportView(reportLocation);
connect( mReport, TQT_SIGNAL( finished() ), TQT_SLOT( slotReportFinished() ) );
}
mReport->show();
mReport->raise();
}
void kweather::slotReportFinished(){
mReport->delayedDestruct();
mReport = 0;
}
/** load the application */
void kweather::loadPrefs(){
kdDebug(12004) << "Loading Prefs" << endl;
KConfig *kcConfig = config();
kcConfig->reparseConfiguration();
if (!kcConfig->hasGroup ("General Options") )
mFirstRun = true;
kcConfig->setGroup("General Options");
logOn = kcConfig->readBoolEntry("logging", false);
fileName = kcConfig->readPathEntry("log_file_name");
reportLocation = kcConfig->readEntry("report_location");
mViewMode = kcConfig->readNumEntry("smallview_mode", dockwidget::ShowAll);
static TQColor black(TQt::black);
mTextColor = kcConfig->readColorEntry("textColor", &black);
}
/** Save the application mPrefs. */
void kweather::savePrefs(){
kdDebug(12004) << "Saving Prefs..." << endl;
KConfig *kcConfig = config();
kcConfig->setGroup("General Options");
kcConfig->writeEntry("logging", logOn);
kcConfig->writeEntry("report_location", reportLocation);
kcConfig->writeEntry("smallview_mode", mViewMode);
kcConfig->writePathEntry("log_file_name", fileName );
kcConfig->sync();
}
void kweather::showWeather()
{
kdDebug(12004) << "Show weather" << endl;
dockWidget->showWeather();
emit updateLayout();
}
void kweather::writeLogEntry()
{
// Write data line in the CSV format
if (logOn && !fileName.isEmpty())
{
kdDebug(12004)<< "Try log file:" << fileName << endl;
TQFile logFile(fileName);
TQTextStream logFileStream(&logFile);
if (logFile.open(IO_Append | IO_ReadWrite))
{
TQString temperature = mWeatherService->temperature(reportLocation );
TQString wind = mWeatherService->wind(reportLocation );
TQString pressure = mWeatherService->pressure(reportLocation );
TQString date = mWeatherService->date(reportLocation );
TQStringList weather = mWeatherService->weather(reportLocation );
TQStringList cover = mWeatherService->cover(reportLocation );
TQString visibility = mWeatherService->visibility(reportLocation );
logFileStream << date << ",";
logFileStream << wind << ",";
logFileStream << temperature << ",";
logFileStream << pressure << ",";
logFileStream << cover.join(";") << ",";
logFileStream << visibility << ",";
logFileStream << weather.join(";");
logFileStream << endl;
}
else
{
KMessageBox::sorry( this,
i18n("For some reason the log file could not be written to.\n"
"Please check to see if your disk is full or if you "
"have write access to the location you are trying to "
"write to."),
i18n("KWeather Error"));
}
logFile.close();
}
}
/** get new data */
void kweather::timeout()
{
if ( !mWeatherService )
initDCOP();
if ( mWeatherService )
{
// isEmtpy is true for null and 0 length strings
if ( !reportLocation.isEmpty() )
{
kdDebug(12004)<< "Requesting new data for " << reportLocation << endl;
mWeatherService->update(reportLocation);
}
}
}
int kweather::widthForHeight(int h) const
{
//kdDebug(12004) << "widthForHeight " << h << endl;
dockWidget->setOrientation(Qt::Horizontal);
int w = dockWidget->widthForHeight(h);
return w;
}
int kweather::heightForWidth(int w) const
{
kdDebug(12004) << "heightForWidth " << w<< endl;
dockWidget->setOrientation(Qt::Vertical);
int h = dockWidget->heightForWidth( w );
return h;
}
void kweather::refresh(TQString stationID)
{
kdDebug(12004) << "refresh " << stationID << endl;
if( stationID == reportLocation)
{
showWeather();
writeLogEntry();
}
}
void kweather::slotPrefsAccepted()
{
// Preferences have been saved in the config file by the KCModule,
// so read them out.
loadPrefs();
dockWidget->setLocationCode(reportLocation);
dockWidget->setViewMode(mViewMode);
setLabelColor();
emit updateLayout();
if (logOn && !fileName.isEmpty())
{
TQFile logFile(fileName);
// Open the file, create it if not already exists
if (logFile.open(IO_ReadWrite))
{
if (logFile.size() == 0)
{
// Empty file, put the header
TQTextStream logFileStream(&logFile);
logFileStream << "Date,Wind Speed & Direction,Temperature,Pressure,Cover,Visibility,Current Weather" << endl;
}
logFile.close();
}
else
{
kdDebug(12004) << "There was an error opening the file...." << endl;
KMessageBox::sorry( this,
i18n("For some reason a new log file could not be opened.\n"
"Please check to see if your disk is full or if you have "
"write access to the location you are trying to write to."),
i18n("KWeather Error"));
}
}
timeout();
}
void kweather::mousePressEvent(TQMouseEvent *e)
{
if ( e->button() != Qt::RightButton )
{
KPanelApplet::mousePressEvent( e );
return;
}
mContextMenu->exec(e->globalPos());
}
void kweather::slotUpdateNow()
{
if ( !mWeatherService )
initDCOP();
mWeatherService->forceUpdate(reportLocation );
}
bool kweather::attach()
{
TQString error;
kdDebug(12004) << "Looking for dcop service..." << endl;
if (!mClient->isApplicationRegistered("KWeatherService"))
{
kdDebug(12004) << "Could not find service so I am starting it..."
<< endl;
if (!KApplication::startServiceByDesktopName("kweatherservice",
TQStringList(), &error))
{
kdDebug(12004) << "Starting KWeatherService failed with message: "
<< error << endl;
return false;
}
kdDebug (12004) << "Service Started..." << endl;
}
else
{
kdDebug(12004) << "Found weather service..." << endl;
}
return true;
}
void kweather::resizeEvent(TQResizeEvent *e)
{
kdDebug(12004) << "KWeather Resize event " << e->size() << endl;
dockWidget->resizeView(e->size());
}
void kweather::setLabelColor()
{
setPaletteForegroundColor(mTextColor);
}
void kweather::paletteChange(const TQPalette &)
{
setLabelColor();
}
#include "kweather.moc"