void JournallingObject::addJournalCheckPoint()
{
if( isJournalling() )
{
Engine::projectJournal()->addJournalCheckPoint( this );
}
}
void AutomatableModel::setValue( const float value )
{
++m_setValueDepth;
const float old_val = m_value;
m_value = fittedValue( value );
if( old_val != m_value )
{
// add changes to history so user can undo it
addJournalCheckPoint();
// notify linked models
for( AutoModelVector::Iterator it = m_linkedModels.begin(); it != m_linkedModels.end(); ++it )
{
if( (*it)->m_setValueDepth < 1 && (*it)->fittedValue( value ) != (*it)->m_value )
{
bool journalling = (*it)->testAndSetJournalling( isJournalling() );
(*it)->setValue( value );
(*it)->setJournalling( journalling );
}
}
emit dataChanged();
}
else
{
emit dataUnchanged();
}
--m_setValueDepth;
}
void ProjectJournal::addJournalCheckPoint( JournallingObject *jo )
{
if( isJournalling() )
{
m_redoCheckPoints.clear();
DataFile dataFile( DataFile::JournalData );
jo->saveState( dataFile, dataFile.content() );
m_undoCheckPoints.push( CheckPoint( jo->id(), dataFile ) );
}
}
QDomElement JournallingObject::saveState( QDomDocument & _doc,
QDomElement & _parent )
{
if( isJournalling() )
{
QDomElement _this = SerializingObject::saveState( _doc, _parent );
QDomElement journalNode = _doc.createElement( "journallingObject" );
journalNode.setAttribute( "id", id() );
journalNode.setAttribute( "metadata", true );
_this.appendChild( journalNode );
return _this;
} else {
return QDomElement();
}
}
void ProjectJournal::redo()
{
while( !m_redoCheckPoints.isEmpty() )
{
CheckPoint c = m_redoCheckPoints.pop();
JournallingObject *jo = m_joIDs[c.joID];
if( jo )
{
DataFile curState( DataFile::JournalData );
jo->saveState( curState, curState.content() );
m_undoCheckPoints.push( CheckPoint( c.joID, curState ) );
bool prev = isJournalling();
setJournalling( false );
jo->restoreState( c.data.content().firstChildElement() );
setJournalling( prev );
engine::getSong()->setModified();
break;
}
}
}
