comparison layer/LayerFactory.h @ 17:0183ebb725ca

* Add ability to create empty layers for editing
* Add first basic editing capability (adding points to a time instant layer)
* Add various keyboard and mouse shortcuts for navigation &c
* Add ability to resize a selection by dragging its edges
* Add maximum zoom level

     
     virtual ~LayerFactory();
 
     typedef std::set<LayerType> LayerTypeSet;
     LayerTypeSet getValidLayerTypes(Model *model);
+    LayerTypeSet getValidEmptyLayerTypes();
 
     LayerType getLayerType(const Layer *);
 
     Layer *createLayer(LayerType type, View *view,
 		       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;