C++ AutomationPattern::hasAutomation方法代码示例

/*! \brief returns a list of all the automation patterns everywhere that are connected to a specific model
 *  \param _m the model we want to look for
 */
QVector<AutomationPattern *> AutomationPattern::patternsForModel( const AutomatableModel * _m )
{
	QVector<AutomationPattern *> patterns;
	TrackContainer::TrackList l;
	l += Engine::getSong()->tracks();
	l += Engine::getBBTrackContainer()->tracks();
	l += Engine::getSong()->globalAutomationTrack();

	// go through all tracks...
	for( TrackContainer::TrackList::ConstIterator it = l.begin(); it != l.end(); ++it )
	{
		// we want only automation tracks...
		if( ( *it )->type() == Track::AutomationTrack ||
			( *it )->type() == Track::HiddenAutomationTrack )
		{
			// get patterns in those tracks....
			const Track::tcoVector & v = ( *it )->getTCOs();
			// go through all the patterns...
			for( Track::tcoVector::ConstIterator j = v.begin(); j != v.end(); ++j )
			{
				AutomationPattern * a = dynamic_cast<AutomationPattern *>( *j );
				// check that the pattern has automation
				if( a && a->hasAutomation() )
				{
					// now check is the pattern is connected to the model we want by going through all the connections
					// of the pattern
					bool has_object = false;
					for( objectVector::const_iterator k = a->m_objects.begin(); k != a->m_objects.end(); ++k )
					{
						if( *k == _m )
						{
							has_object = true;
						}
					}
					// if the patterns is connected to the model, add it to the list
					if( has_object ) { patterns += a; }
				}
			}
		}
	}
	return patterns;
}

void AutomatableModel::loadSettings( const QDomElement& element, const QString& name )
{
	// read scale type and overwrite default scale type
	if( element.hasAttribute("scale_type") ) // wrong in most cases
	{
		if( element.attribute("scale_type") == "log" )
		 setScaleType( Logarithmic );
	}
	else {
		setScaleType( Linear );
	}

	// compat code
	QDomNode node = element.namedItem( AutomationPattern::classNodeName() );
	if( node.isElement() )
	{
		node = node.namedItem( name );
		if( node.isElement() )
		{
			AutomationPattern * p = AutomationPattern::globalAutomationPattern( this );
			p->loadSettings( node.toElement() );
			setValue( p->valueAt( 0 ) );
			// in older projects we sometimes have odd automations
			// with just one value in - eliminate if necessary
			if( !p->hasAutomation() )
			{
				delete p;
			}
			return;
		}
		// logscales were not existing at this point of time
		// so they can be ignored
	}

	QDomNode connectionNode = element.namedItem( "connection" );
	// reads controller connection
	if( connectionNode.isElement() )
	{
		QDomNode thisConnection = connectionNode.toElement().namedItem( name );
		if( thisConnection.isElement() )
		{
			setControllerConnection( new ControllerConnection( (Controller*)NULL ) );
			m_controllerConnection->loadSettings( thisConnection.toElement() );
			//m_controllerConnection->setTargetName( displayName() );
		}
	}
	
	// models can be stored as elements (port00) or attributes (port10):
	// <ladspacontrols port10="4.41">
	//   <port00 value="4.41" id="4249278"/>
	// </ladspacontrols>
	// element => there is automation data
	node = element.namedItem( name );
        if( node.isElement() )
        {
                changeID( node.toElement().attribute( "id" ).toInt() );
                setValue( node.toElement().attribute( "value" ).toFloat() );
        }
        else if( element.hasAttribute( name ) )
	// attribute => read the element's value from the attribute list
	{
		setInitValue( element.attribute( name ).toFloat() );
	}
	else
	{
		reset();
	}
}