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/***************************************************************************
ksnewstuff.cpp - description
-------------------
begin : Wed 21 May 2004
copyright : (C) 2004 by Jason Harris
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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 <tdeversion.h>
#if KDE_IS_VERSION( 3, 2, 90 )
#include <kapplication.h>
#include <kaction.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kstandarddirs.h>
#include <kdirwatch.h>
#include <kprogress.h>
#include <ktar.h>
#include <tqdir.h>
#include <tqcursor.h>
#include <tqregexp.h>
#include "ksnewstuff.h"
#include "kstars.h"
#include "kstarsdata.h"
#include "deepskyobject.h"
#include "objectnamelist.h"
#include "skymap.h"
KSNewStuff::KSNewStuff( TQWidget *parent ) :
TQObject(), KNewStuff( "kstars", parent ), NGCUpdated( false )
{
ks = (KStars*)parent;
kdw = new KDirWatch( this );
kdw->addDir( TDEGlobal::dirs()->saveLocation("data", kapp->instanceName(), true) );
}
bool KSNewStuff::install( const TQString &fileName )
{
kdDebug() << "KSNewStuff::install(): " << fileName << endl;
KTar archive( fileName );
if ( !archive.open( IO_ReadOnly ) )
return false;
const KArchiveDirectory *archiveDir = archive.directory();
const TQString destDir = TDEGlobal::dirs()->saveLocation("data", kapp->instanceName(), true);
KStandardDirs::makeDir( destDir );
//monitor destDir for changes; inform updateData when files are created.
connect( kdw, TQT_SIGNAL( dirty( const TQString & ) ), this, TQT_SLOT( updateData( const TQString & ) ) );
archiveDir->copyTo(destDir);
archive.close();
kapp->processEvents(10000);
//read the new data into the program
//this return might be the result of checking if everything is installed ok
return true;
}
void KSNewStuff::updateData( const TQString &path ) {
TQDir qd( path );
qd.setSorting( TQDir::Time );
qd.setFilter( TQDir::Files );
//Show the Wait cursor
ks->setCursor(TQCursor(TQt::WaitCursor));
//Handle the Steinicke NGC/IC catalog
if ( !NGCUpdated && qd[0].contains( "ngcic" ) ) {
//Build a progress dialog to show during data installation.
KProgressDialog prog( 0, "newstuffprogdialog",
i18n( "Please Wait" ), i18n( "Installing Steinicke NGC/IC catalog..." ), false /*modal*/ );
prog.setAllowCancel( false );
prog.setMinimumDuration( 0 /*millisec*/ );
prog.progressBar()->setTotalSteps( 0 ); //show generic progress activity
prog.show();
kapp->processEvents(1000);
//First, remove the existing NGC/IC objects from the ObjectNameList.
for ( DeepSkyObject *o = ks->data()->deepSkyList.first(); o; o = ks->data()->deepSkyList.next() ) {
if ( o->hasLongName() && o->longname() != o->name() ) ks->data()->ObjNames.remove( o->longname() );
ks->data()->ObjNames.remove( o->name() );
}
//We can safely clear the Messier/NGC/IC/Other lists, since their pointers are secondary
ks->data()->deepSkyListMessier.clear();
ks->data()->deepSkyListNGC.clear();
ks->data()->deepSkyListIC.clear();
ks->data()->deepSkyListOther.clear();
//Finally, we can clear deepSkyList. This will automatically delete the SkyObjects
ks->data()->deepSkyList.clear();
//Send progress messages to the console
connect( ks->data(), TQT_SIGNAL( progressText(TQString) ), ks->data(), TQT_SLOT( slotConsoleMessage(TQString) ) );
connect( ks->data(), TQT_SIGNAL( progressText(TQString) ), ks->data(), TQT_SLOT( slotProcessEvents() ) );
//We are now ready to read the new NGC/IC catalog
ks->data()->readDeepSkyData();
//Avoid redundant installs
NGCUpdated = true;
//Re-assign image/info links. 3rd param means deep-sky objects only
ks->data()->readURLData( "image_url.dat", 0, true );
ks->data()->readURLData( "info_url.dat", 1, true );
ks->data()->setFullTimeUpdate();
ks->data()->updateTime( ks->geo(), ks->map() );
ks->map()->forceUpdate();
}
//Handle the inline Messier images
// **No action required**
//Handle the ephemerides
if ( qd[0] == "asteroids.dat" || qd[0] == "comets.dat" ) {
//Build a progress dialog to show during data installation.
KProgressDialog prog( 0, "newstuffprogdialog",
i18n( "Please Wait" ), i18n( "Installing comet and asteroid ephemerides..." ), true /*modal*/ );
prog.setAllowCancel( false );
prog.setMinimumDuration( 50 /*millisec*/ );
prog.progressBar()->setTotalSteps( 0 ); //generic progress activity
//First, remove the existing asteroids and comets from the ObjectNameList.
for ( SkyObject *o = (SkyObject*)(ks->data()->asteroidList.first()); o; o = (SkyObject*)(ks->data()->asteroidList.next()) ) {
if ( o->hasLongName() && o->longname() != o->name() ) ks->data()->ObjNames.remove( o->longname() );
ks->data()->ObjNames.remove( o->name() );
}
for ( SkyObject *o = (SkyObject*)(ks->data()->cometList.first()); o; o = (SkyObject*)(ks->data()->cometList.next()) ) {
if ( o->hasLongName() && o->longname() != o->name() ) ks->data()->ObjNames.remove( o->longname() );
ks->data()->ObjNames.remove( o->name() );
}
//Clear the asteroids and comets lists
ks->data()->asteroidList.clear();
ks->data()->cometList.clear();
//Send progress messages to the console
connect( ks->data(), TQT_SIGNAL( progressText(TQString) ), ks->data(), TQT_SLOT( slotConsoleMessage(TQString) ) );
//add new asteroids and comets
ks->data()->readAsteroidData();
ks->data()->readCometData();
//Do a full update
ks->data()->setFullTimeUpdate();
ks->data()->updateTime( ks->geo(), ks->map() );
ks->map()->forceUpdate();
}
//Restore arrow cursor
ks->setCursor(TQCursor(TQt::ArrowCursor));
}
void KSNewStuff::slotProcessEvents() { kapp->processEvents( 500 ); }
#include "ksnewstuff.moc"
#endif // KDE >= 3.2.90
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