Chris@0: /* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@0:     A waveform viewer and audio annotation editor.
Chris@0:     Chris Cannam, Queen Mary University of London, 2005
Chris@0:     
Chris@0:     This is experimental software.  Not for distribution.
Chris@0: */
Chris@0: 
Chris@0: #include "LayerFactory.h"
Chris@0: 
Chris@0: #include "WaveformLayer.h"
Chris@0: #include "SpectrogramLayer.h"
Chris@0: #include "TimeRulerLayer.h"
Chris@0: #include "TimeInstantLayer.h"
Chris@0: #include "TimeValueLayer.h"
Chris@0: #include "Colour3DPlotLayer.h"
Chris@0: 
Chris@0: #include "model/RangeSummarisableTimeValueModel.h"
Chris@0: #include "model/DenseTimeValueModel.h"
Chris@0: #include "model/SparseOneDimensionalModel.h"
Chris@0: #include "model/SparseTimeValueModel.h"
Chris@0: #include "model/DenseThreeDimensionalModel.h"
Chris@0: 
Chris@0: LayerFactory *
Chris@0: LayerFactory::m_instance = new LayerFactory;
Chris@0: 
Chris@0: LayerFactory *
Chris@0: LayerFactory::instance()
Chris@0: {
Chris@0:     return m_instance;
Chris@0: }
Chris@0: 
Chris@0: LayerFactory::~LayerFactory()
Chris@0: {
Chris@0: }
Chris@0: 
Chris@0: QString
Chris@0: LayerFactory::getLayerPresentationName(LayerType type)
Chris@0: {
Chris@0:     switch (type) {
Chris@0:     case Waveform:     return Layer::tr("Waveform");
Chris@0:     case Spectrogram:  return Layer::tr("Spectrogram");
Chris@0:     case TimeRuler:    return Layer::tr("Ruler");
Chris@0:     case TimeInstants: return Layer::tr("Time Instants");
Chris@0:     case TimeValues:   return Layer::tr("Time Values");
Chris@0:     case Colour3DPlot: return Layer::tr("Colour 3D Plot");
Chris@0: 
Chris@0:     case MelodicRangeSpectrogram:
Chris@0: 	// The user can change all the parameters of this after the
Chris@0: 	// fact -- there's nothing permanently melodic-range about it
Chris@0: 	// that should be encoded in its name
Chris@0: 	return Layer::tr("Spectrogram");
Chris@0:     }
Chris@0: 
Chris@0:     return Layer::tr("Layer");
Chris@0: }
Chris@0: 
Chris@0: LayerFactory::LayerTypeSet
Chris@0: LayerFactory::getValidLayerTypes(Model *model)
Chris@0: {
Chris@0:     LayerTypeSet types;
Chris@0: 
Chris@0:     if (dynamic_cast<DenseThreeDimensionalModel *>(model)) {
Chris@0: 	types.insert(Colour3DPlot);
Chris@0:     }
Chris@0: 
Chris@0:     if (dynamic_cast<DenseTimeValueModel *>(model)) {
Chris@0: 	types.insert(Spectrogram);
Chris@0: 	types.insert(MelodicRangeSpectrogram);
Chris@0:     }
Chris@0: 
Chris@0:     if (dynamic_cast<RangeSummarisableTimeValueModel *>(model)) {
Chris@0: 	types.insert(Waveform);
Chris@0:     }
Chris@0: 
Chris@0:     if (dynamic_cast<SparseOneDimensionalModel *>(model)) {
Chris@0: 	types.insert(TimeInstants);
Chris@0:     }
Chris@0: 
Chris@0:     if (dynamic_cast<SparseTimeValueModel *>(model)) {
Chris@0: 	types.insert(TimeValues);
Chris@0:     }
Chris@0: 
Chris@0:     // We don't count TimeRuler here as it doesn't actually display
Chris@0:     // the data, although it can be backed by any model
Chris@0: 
Chris@0:     return types;
Chris@0: }
Chris@0: 
Chris@0: LayerFactory::LayerType
Chris@0: LayerFactory::getLayerType(Layer *layer)
Chris@0: {
Chris@0:     if (dynamic_cast<WaveformLayer *>(layer)) return Waveform;
Chris@0:     if (dynamic_cast<SpectrogramLayer *>(layer)) return Spectrogram;
Chris@0:     if (dynamic_cast<TimeRulerLayer *>(layer)) return TimeRuler;
Chris@0:     if (dynamic_cast<TimeInstantLayer *>(layer)) return TimeInstants;
Chris@0:     if (dynamic_cast<TimeValueLayer *>(layer)) return TimeValues;
Chris@0:     if (dynamic_cast<Colour3DPlotLayer *>(layer)) return Colour3DPlot;
Chris@0:     return UnknownLayer;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: LayerFactory::setModel(Layer *layer, Model *model)
Chris@0: {
Chris@0:     if (trySetModel<WaveformLayer, RangeSummarisableTimeValueModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<SpectrogramLayer, DenseTimeValueModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<TimeRulerLayer, Model>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<TimeInstantLayer, SparseOneDimensionalModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<TimeValueLayer, SparseTimeValueModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<Colour3DPlotLayer, DenseThreeDimensionalModel>(layer, model))
Chris@0: 	return;
Chris@0: 
Chris@0:     if (trySetModel<SpectrogramLayer, DenseTimeValueModel>(layer, model))
Chris@0: 	return;
Chris@0: }
Chris@0: 
Chris@0: Layer *
Chris@0: LayerFactory::createLayer(LayerType type, View *view,
Chris@0: 			  Model *model, int channel)
Chris@0: {
Chris@0:     Layer *layer = 0;
Chris@0: 
Chris@0:     switch (type) {
Chris@0: 
Chris@0:     case Waveform:
Chris@0: 	layer = new WaveformLayer(view);
Chris@0: 	static_cast<WaveformLayer *>(layer)->setChannel(channel);
Chris@0: 	break;
Chris@0: 
Chris@0:     case Spectrogram:
Chris@0: 	layer = new SpectrogramLayer(view);
Chris@0: 	static_cast<SpectrogramLayer *>(layer)->setChannel(channel);
Chris@0: 	break;
Chris@0: 
Chris@0:     case TimeRuler:
Chris@0: 	layer = new TimeRulerLayer(view);
Chris@0: 	break;
Chris@0: 
Chris@0:     case TimeInstants:
Chris@0: 	layer = new TimeInstantLayer(view);
Chris@0: 	break;
Chris@0: 
Chris@0:     case TimeValues:
Chris@0: 	layer = new TimeValueLayer(view);
Chris@0: 	break;
Chris@0: 
Chris@0:     case Colour3DPlot:
Chris@0: 	layer = new Colour3DPlotLayer(view);
Chris@0: 	break;
Chris@0: 
Chris@0:     case MelodicRangeSpectrogram: 
Chris@0: 	layer = new SpectrogramLayer(view, SpectrogramLayer::MelodicRange);
Chris@0: 	static_cast<SpectrogramLayer *>(layer)->setChannel(channel);
Chris@0: 	break;
Chris@0:     }
Chris@0: 
Chris@0:     if (!layer) {
Chris@0: 	std::cerr << "LayerFactory::createLayer: Unknown layer type " 
Chris@0: 		  << type << std::endl;
Chris@0:     } else {
Chris@0: 	setModel(layer, model);
Chris@0: 	std::cerr << "LayerFactory::createLayer: Setting object name "
Chris@0: 		  << getLayerPresentationName(type).toStdString() << " on " << layer << std::endl;
Chris@0: 	layer->setObjectName(getLayerPresentationName(type));
Chris@0:     }
Chris@0: 
Chris@0:     return layer;
Chris@0: }
Chris@0: