kstars/kstars/ksnewstuff.cpp

   1 /***************************************************************************
   2                           ksnewstuff.cpp  -  description
   3                              -------------------
   4     begin                : Wed 21 May 2004
   5     copyright            : (C) 2004 by Jason Harris
   6     email                : kstars@30doradus.org
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #include <kdeversion.h>
  19 #if KDE_IS_VERSION( 3, 2, 90 )
  20
  21 #include <kapplication.h>
  22 #include <kaction.h>
  23 #include <kdebug.h>
  24 #include <kglobal.h>
  25 #include <kstandarddirs.h>
  26 #include <kdirwatch.h>
  27 #include <kprogress.h>
  28 #include <ktar.h>
  29 #include <qdir.h>
  30 #include <qcursor.h>
  31 #include <qregexp.h>
  32
  33 #include "ksnewstuff.h"
  34 #include "kstars.h"
  35 #include "kstarsdata.h"
  36 #include "deepskyobject.h"
  37 #include "objectnamelist.h"
  38 #include "skymap.h"
  39
  40 KSNewStuff::KSNewStuff( QWidget *parent ) :
  41   QObject(), KNewStuff( "kstars", parent )
  42 {
  43         ks = (KStars*)parent;
  44         kdw = new KDirWatch( this );
  45         kdw->addDir( KGlobal::dirs()->saveLocation("data", kapp->instanceName(), true) );
  46 }
  47
  48 bool KSNewStuff::install( const QString &fileName )
  49 {
  50         kdDebug() << "KSNewStuff::install(): " << fileName << endl;
  51
  52         KTar archive( fileName );
  53         if ( !archive.open( IO_ReadOnly ) )
  54                         return false;
  55
  56         const KArchiveDirectory *archiveDir = archive.directory();
  57         const QString destDir = KGlobal::dirs()->saveLocation("data", kapp->instanceName(), true);
  58         KStandardDirs::makeDir( destDir );
  59
  60         //monitor destDir for changes; inform updateData when files are created.
  61         connect( kdw, SIGNAL( dirty( const QString & ) ), this, SLOT( updateData( const QString & ) ) );
  62
  63         archiveDir->copyTo(destDir);
  64         archive.close();
  65         kapp->processEvents(10000);
  66
  67         //read the new data into the program
  68         //this return might be the result of checking if everything is installed ok
  69         return true;
  70 }
  71
  72 void KSNewStuff::updateData( const QString &path ) {
  73         QDir qd( path );
  74         qd.setSorting( QDir::Time );
  75         qd.setFilter( QDir::Files );
  76
  77         //Show the Wait cursor
  78         ks->setCursor(QCursor(Qt::WaitCursor));
  79
  80
  81         //Handle the Steinicke NGC/IC catalog
  82         if ( qd[0].contains( "ngcic" ) ) {
  83                 //Build a progress dialog to show during data installation.
  84                 KProgressDialog prog( 0, "newstuffprogdialog",
  85                                 i18n( "Please Wait" ), i18n( "Installing Steinicke NGC/IC catalog..." ), false /*modal*/ );
  86                 prog.setAllowCancel( false );
  87                 prog.setMinimumDuration( 0 /*millisec*/ );
  88                 prog.progressBar()->setTotalSteps( 0 );  //show generic progress activity
  89                 prog.show();
  90                 kapp->processEvents(100);
  91
  92                 //First, remove the existing NGC/IC objects from the ObjectNameList.
  93                 for ( DeepSkyObject *o = ks->data()->deepSkyList.first(); o; o = ks->data()->deepSkyList.next() ) {
  94                         if ( o->hasLongName() && o->longname() != o->name() ) ks->data()->ObjNames.remove( o->longname() );
  95                         ks->data()->ObjNames.remove( o->name() );
  96                 }
  97
  98                 //We can safely clear the Messier/NGC/IC/Other lists, since their pointers are secondary
  99                 ks->data()->deepSkyListMessier.clear();
 100                 ks->data()->deepSkyListNGC.clear();
 101                 ks->data()->deepSkyListIC.clear();
 102                 ks->data()->deepSkyListOther.clear();
 103
 104                 //Finally, we can clear deepSkyList.  This will automatically delete the SkyObjects
 105                 ks->data()->deepSkyList.clear();
 106
 107                 //Send progress messages to the console
 108                 connect( ks->data(), SIGNAL( progressText(QString) ), ks->data(), SLOT( slotConsoleMessage(QString) ) );
 109
 110                 //We are now ready to read the new NGC/IC catalog
 111                 ks->data()->readDeepSkyData();
 112
 113                 //Re-assign image/info links.  3rd param means deep-sky objects only
 114                 ks->data()->readURLData( "image_url.dat", 0, true );
 115                 ks->data()->readURLData( "info_url.dat", 1, true );
 116
 117                 ks->data()->setFullTimeUpdate();
 118                 ks->data()->updateTime( ks->geo(), ks->map() );
 119                 ks->map()->forceUpdate();
 120         }
 121
 122         //Handle the inline Messier images
 123         // **No action required**
 124
 125         //Handle the ephemerides
 126         if ( qd[0] == "asteroids.dat" || qd[0] == "comets.dat" ) {
 127                 //Build a progress dialog to show during data installation.
 128                 KProgressDialog prog( 0, "newstuffprogdialog",
 129                                 i18n( "Please Wait" ), i18n( "Installing comet and asteroid ephemerides..." ), true /*modal*/ );
 130                 prog.setAllowCancel( false );
 131                 prog.setMinimumDuration( 50 /*millisec*/ );
 132                 prog.progressBar()->setTotalSteps( 0 );  //generic progress activity
 133
 134                 //First, remove the existing asteroids and comets from the ObjectNameList.
 135                 for ( SkyObject *o = (SkyObject*)(ks->data()->asteroidList.first()); o; o = (SkyObject*)(ks->data()->asteroidList.next()) ) {
 136                         if ( o->hasLongName() && o->longname() != o->name() ) ks->data()->ObjNames.remove( o->longname() );
 137                         ks->data()->ObjNames.remove( o->name() );
 138                 }
 139                 for ( SkyObject *o = (SkyObject*)(ks->data()->cometList.first()); o; o = (SkyObject*)(ks->data()->cometList.next()) ) {
 140                         if ( o->hasLongName() && o->longname() != o->name() ) ks->data()->ObjNames.remove( o->longname() );
 141                         ks->data()->ObjNames.remove( o->name() );
 142                 }
 143
 144                 //Clear the asteroids and comets lists
 145                 ks->data()->asteroidList.clear();
 146                 ks->data()->cometList.clear();
 147
 148                 //Send progress messages to the console
 149                 connect( ks->data(), SIGNAL( progressText(QString) ), ks->data(), SLOT( slotConsoleMessage(QString) ) );
 150
 151                 //add new asteroids and comets
 152                 ks->data()->readAsteroidData();
 153                 ks->data()->readCometData();
 154         }
 155
 156         //Restore arrow cursor
 157         ks->setCursor(QCursor(Qt::ArrowCursor));
 158 }
 159
 160 #include "ksnewstuff.moc"
 161
 162 #endif // KDE >= 3.2.90