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ktechlab/src/electronics/subcircuits.cpp

176 lines
4.8 KiB

/***************************************************************************
* 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 <tdeconfig.h>
#include <kdebug.h>
#include <kiconloader.h>
#include <kstandarddirs.h>
#include <tqfile.h>
#include <tqtextstream.h>
Subcircuits::Subcircuits()
: TQObject()
{
connect( ComponentSelector::self(), TQT_SIGNAL(itemRemoved(const TQString& )), this, TQT_SLOT(slotItemRemoved(const TQString& )) );
}
Subcircuits::~Subcircuits()
{
}
void Subcircuits::initECSubcircuit( int subcircuitId, ECSubcircuit *ecSubcircuit )
{
const TQString fileName = genFileName(subcircuitId);
if ( !TQFile::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()
{
TDEConfig *config = kapp->config();
config->setGroup("Subcircuits");
TQValueList<int> idList = config->readIntListEntry("Ids");
const TQValueList<int>::iterator idListEnd = idList.end();
for ( TQValueList<int>::iterator it = idList.begin(); it != idListEnd; ++it )
{
TQFile file( genFileName(*it) );
if ( file.open(IO_ReadOnly) == false )
{
// File has mysteriously disappeared....
*it = -1;
}
else
{
config->setGroup("Subcircuit_"+TQString::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 );
}
TQString Subcircuits::genFileName( const int nextId )
{
return locateLocal( "appdata", "subcircuit_"+TQString::number(nextId)+".circuit" );
}
void Subcircuits::updateComponentSelector( int id, const TQString &name )
{
if ( name.isEmpty() )
return;
ComponentSelector::self()->addItem( name, "sc/"+TQString::number(id), "Subcircuits", TDEGlobal::iconLoader()->loadIcon( "ktechlab_circuit", KIcon::Small ), true );
}
void Subcircuits::addSubcircuit( const TQString &name, const TQString &subcircuitXml )
{
TDEConfig *config = kapp->config();
config->setGroup("Subcircuits");
int nextId = config->readNumEntry( "NextId", 0 );
while ( TQFile::exists( genFileName(nextId) ) ) {
nextId++;
}
const int id = nextId;
const TQString fileName = genFileName(id);
TQFile file(fileName);
if ( file.open(IO_WriteOnly) == false )
{
kdError() << "Subcircuits::addSubcircuit: couldn't open subcircuit save file: "<<fileName<<endl;
return;
}
TQTextStream stream(&file);
stream << subcircuitXml;
file.close();
TQValueList<int> idList = config->readIntListEntry("Ids");
idList += id;
config->writeEntry( "Ids", idList );
config->writeEntry( "NextId", ++nextId );
config->setGroup("Subcircuit_"+TQString::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 TQString &id )
{
if ( !id.startsWith("sc/") ) {
return;
}
TQString temp = id;
temp.remove("sc/");
const int id_num = temp.toInt();
const TQString fileName = genFileName(id_num);
TQFile file(fileName);
file.remove();
TDEConfig *config = kapp->config();
config->setGroup("Subcircuits");
TQValueList<int> idList = config->readIntListEntry("Ids");
idList.remove(id_num);
config->writeEntry( "Ids", idList );
}
#include "subcircuits.moc"