lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 Chris Cannam.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef _LAYER_FACTORY_H_
lbajardsilogic@0: #define _LAYER_FACTORY_H_
lbajardsilogic@0: 
lbajardsilogic@0: #include <QString>
lbajardsilogic@0: #include <set>
lbajardsilogic@0: 
lbajardsilogic@0: class Layer;
lbajardsilogic@0: class Model;
lbajardsilogic@0: 
lbajardsilogic@0: class LayerFactory
lbajardsilogic@0: {
lbajardsilogic@0: public:
lbajardsilogic@0:     enum LayerType {
lbajardsilogic@0: 
lbajardsilogic@0: 	// Standard layers
lbajardsilogic@0: 	Waveform,
lbajardsilogic@0: 	Spectrogram,
lbajardsilogic@0: 	TimeRuler,
lbajardsilogic@0: 	TimeInstants,
lbajardsilogic@0: 	TimeValues,
lbajardsilogic@0: 	Notes,
lbajardsilogic@0: 	Text,
lbajardsilogic@0: 	Colour3DPlot,
lbajardsilogic@0:         Spectrum,
lbajardsilogic@0:         Slice,
lbajardsilogic@0: 
lbajardsilogic@0: 	// Layers with different initial parameters
lbajardsilogic@0: 	MelodicRangeSpectrogram,
lbajardsilogic@0: 	PeakFrequencySpectrogram,
lbajardsilogic@0: 
lbajardsilogic@18: 	Interval,
lbajardsilogic@18: 
lbajardsilogic@0: 	// Not-a-layer-type
lbajardsilogic@0: 	UnknownLayer = 255
lbajardsilogic@0:     };
lbajardsilogic@0: 
lbajardsilogic@0:     static LayerFactory *getInstance();
lbajardsilogic@0:     
lbajardsilogic@0:     virtual ~LayerFactory();
lbajardsilogic@0: 
lbajardsilogic@0:     typedef std::set<LayerType> LayerTypeSet;
lbajardsilogic@0:     LayerTypeSet getValidLayerTypes(Model *model);
lbajardsilogic@0:     LayerTypeSet getValidEmptyLayerTypes();
lbajardsilogic@0: 
lbajardsilogic@0:     LayerType getLayerType(const Layer *);
lbajardsilogic@0: 
lbajardsilogic@0:     Layer *createLayer(LayerType type);
lbajardsilogic@0: 
lbajardsilogic@0:     QString getLayerPresentationName(LayerType type);
lbajardsilogic@0: 
lbajardsilogic@0:     bool isLayerSliceable(const Layer *);
lbajardsilogic@0: 
lbajardsilogic@0:     void setModel(Layer *layer, Model *model);
lbajardsilogic@0:     Model *createEmptyModel(LayerType type, Model *baseModel);
lbajardsilogic@0: 
lbajardsilogic@0:     int getChannel(Layer *layer);
lbajardsilogic@0:     void setChannel(Layer *layer, int channel);
lbajardsilogic@0: 
lbajardsilogic@0:     QString getLayerIconName(LayerType);
lbajardsilogic@0:     QString getLayerTypeName(LayerType);
lbajardsilogic@0:     LayerType getLayerTypeForName(QString);
lbajardsilogic@0: 
lbajardsilogic@0: protected:
lbajardsilogic@0:     template <typename LayerClass, typename ModelClass>
lbajardsilogic@0:     bool trySetModel(Layer *layerBase, Model *modelBase) {
lbajardsilogic@0: 	LayerClass *layer = dynamic_cast<LayerClass *>(layerBase);
lbajardsilogic@0: 	if (!layer) return false;
lbajardsilogic@0: 	ModelClass *model = dynamic_cast<ModelClass *>(modelBase);
lbajardsilogic@0: 	if (!model) return false;
lbajardsilogic@0: 	layer->setModel(model);
lbajardsilogic@0: 	return true;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     static LayerFactory *m_instance;
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: #endif
lbajardsilogic@0: