Mercurial > hg > svgui
view layer/LayerFactory.h @ 51:d2eac322d71b
* Tidying and bug fixes in document stuff and file load/save
* Add list of layer names (and source model names where appropriate) to pane
author | Chris Cannam |
---|---|
date | Fri, 10 Mar 2006 17:37:45 +0000 |
parents | ad214997dddb |
children | f2fe98a7c57e |
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/* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */ /* A waveform viewer and audio annotation editor. Chris Cannam, Queen Mary University of London, 2005-2006 This is experimental software. Not for distribution. */ #ifndef _LAYER_FACTORY_H_ #define _LAYER_FACTORY_H_ #include <QString> #include <set> class Layer; class Model; class LayerFactory { public: enum LayerType { // Standard layers Waveform, Spectrogram, TimeRuler, TimeInstants, TimeValues, Notes, Text, Colour3DPlot, // Layers with different initial parameters MelodicRangeSpectrogram, PeakFrequencySpectrogram, // Not-a-layer-type UnknownLayer = 255 }; static LayerFactory *instance(); virtual ~LayerFactory(); typedef std::set<LayerType> LayerTypeSet; LayerTypeSet getValidLayerTypes(Model *model); LayerTypeSet getValidEmptyLayerTypes(); LayerType getLayerType(const Layer *); Layer *createLayer(LayerType type, Model *model = 0, int channel = -1); QString getLayerPresentationName(LayerType type); void setModel(Layer *layer, Model *model); Model *createEmptyModel(LayerType type, Model *baseModel); QString getLayerIconName(LayerType); QString getLayerTypeName(LayerType); LayerType getLayerTypeForName(QString); protected: template <typename LayerClass, typename ModelClass> bool trySetModel(Layer *layerBase, Model *modelBase) { LayerClass *layer = dynamic_cast<LayerClass *>(layerBase); if (!layer) return false; ModelClass *model = dynamic_cast<ModelClass *>(modelBase); if (!model) return false; layer->setModel(model); return true; } static LayerFactory *m_instance; }; #endif