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Diffstat (limited to 'src/electronics/subcircuits.cpp')
| -rw-r--r-- | src/electronics/subcircuits.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/electronics/subcircuits.cpp b/src/electronics/subcircuits.cpp new file mode 100644 index 0000000..65ae8e3 --- /dev/null +++ b/src/electronics/subcircuits.cpp @@ -0,0 +1,175 @@ +/*************************************************************************** + * Copyright (C) 2004-2005 by David Saxton * + * david@bluehaze.org * + * * + * 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 "circuitdocument.h" +#include "ecsubcircuit.h" +#include "itemdocumentdata.h" +#include "itemlibrary.h" +#include "itemselector.h" +#include "subcircuits.h" + +#include <kapplication.h> +#include <kconfig.h> +#include <kdebug.h> +#include <kiconloader.h> +#include <kstandarddirs.h> +#include <qfile.h> +#include <qtextstream.h> + +Subcircuits::Subcircuits() + : QObject() +{ + connect( ComponentSelector::self(), SIGNAL(itemRemoved(const QString& )), this, SLOT(slotItemRemoved(const QString& )) ); +} + + +Subcircuits::~Subcircuits() +{ +} + + +void Subcircuits::initECSubcircuit( int subcircuitId, ECSubcircuit *ecSubcircuit ) +{ + const QString fileName = genFileName(subcircuitId); + if ( !QFile::exists(fileName) ) + { + kdDebug() << "Subcircuits::createSubcircuit: Subcircuit \""<<fileName<<"\" was not found."<<endl; + return; + } + + SubcircuitData subcircuit; + if (!subcircuit.loadData( genFileName(subcircuitId) ) ) + return; + + subcircuit.initECSubcircuit(ecSubcircuit); +} + + +ECSubcircuit* Subcircuits::createSubcircuit( int id, CircuitDocument *circuitDocument, bool newItem, const char *newId ) +{ + //I pass finishCreation = false here because the subcircuit was getting + //finished twice, causing a segfault in CircuitDocument::assignCircuits() + //--electronerd + ECSubcircuit *ecSubcircuit = static_cast<ECSubcircuit*>(itemLibrary()->createItem( "ec/subcircuit", circuitDocument, newItem, newId, false )); + ecSubcircuit->property("id")->setValue(id); + return ecSubcircuit; +} + + +void Subcircuits::loadSubcircuits() +{ + KConfig *config = kapp->config(); + config->setGroup("Subcircuits"); + + QValueList<int> idList = config->readIntListEntry("Ids"); + const QValueList<int>::iterator idListEnd = idList.end(); + for ( QValueList<int>::iterator it = idList.begin(); it != idListEnd; ++it ) + { + QFile file( genFileName(*it) ); + if ( file.open(IO_ReadOnly) == false ) + { + // File has mysteriously disappeared.... + *it = -1; + } + else + { + config->setGroup("Subcircuit_"+QString::number(*it)); + updateComponentSelector( *it, config->readEntry("Name") ); + } + file.close(); + } + idList.remove(-1); + + // Update the config file if any ids have been removed + config->setGroup("Subcircuits"); + config->writeEntry( "Ids", idList ); +} + + +QString Subcircuits::genFileName( const int nextId ) +{ + return locateLocal( "appdata", "subcircuit_"+QString::number(nextId)+".circuit" ); +} + + +void Subcircuits::updateComponentSelector( int id, const QString &name ) +{ + if ( name.isEmpty() ) + return; + + ComponentSelector::self()->addItem( name, "sc/"+QString::number(id), "Subcircuits", KGlobal::iconLoader()->loadIcon( "ktechlab_circuit", KIcon::Small ), true ); +} + + +void Subcircuits::addSubcircuit( const QString &name, const QString &subcircuitXml ) +{ + KConfig *config = kapp->config(); + config->setGroup("Subcircuits"); + + int nextId = config->readNumEntry( "NextId", 0 ); + + while ( QFile::exists( genFileName(nextId) ) ) { + nextId++; + } + + const int id = nextId; + + const QString fileName = genFileName(id); + QFile file(fileName); + + if ( file.open(IO_WriteOnly) == false ) + { + kdError() << "Subcircuits::addSubcircuit: couldn't open subcircuit save file: "<<fileName<<endl; + return; + } + + QTextStream stream(&file); + stream << subcircuitXml; + file.close(); + + QValueList<int> idList = config->readIntListEntry("Ids"); + idList += id; + config->writeEntry( "Ids", idList ); + config->writeEntry( "NextId", ++nextId ); + + config->setGroup("Subcircuit_"+QString::number(id)); + config->writeEntry( "Name", name ); + + // It's important that we write the configuration *now*, lest the subcircuits be lost + config->sync(); + + updateComponentSelector( id, name ); +} + + +void Subcircuits::slotItemRemoved( const QString &id ) +{ + if ( !id.startsWith("sc/") ) { + return; + } + + QString temp = id; + temp.remove("sc/"); + const int id_num = temp.toInt(); + const QString fileName = genFileName(id_num); + QFile file(fileName); + file.remove(); + + KConfig *config = kapp->config(); + config->setGroup("Subcircuits"); + QValueList<int> idList = config->readIntListEntry("Ids"); + idList.remove(id_num); + config->writeEntry( "Ids", idList ); +} + + +#include "subcircuits.moc" + + |