Wed, 22 Sep 2021 12:55:44 +0300
Add documentation to model.cpp
src/model.cpp | file | annotate | diff | comparison | revisions |
--- a/src/model.cpp Wed Sep 22 12:30:48 2021 +0300 +++ b/src/model.cpp Wed Sep 22 12:55:44 2021 +0300 @@ -21,12 +21,19 @@ #include "model.h" #include "modeleditcontext.h" +/** + * @brief Constructs a model + * @param parent QObject parent to pass forward + */ Model::Model(QObject* parent) : QAbstractListModel{parent} { connect(this, &Model::dataChanged, [&](){ this->needRecache = true; }); } +/** + * @returns the amount of elements in the model + */ int Model::size() const { return static_cast<int>(this->body.size()); @@ -49,17 +56,32 @@ } } +/** + * @brief Obtains an editing context for this model. + * Editing contexts are used to perform modifications to the model. + * @return editing context + */ Model::EditContext Model::edit() { this->editCounter += 1; return {*this}; } +/** + * @brief @overload QAbstractListModel::rowCount + * @return size + */ int Model::rowCount(const QModelIndex&) const { - return size(); + return this->size(); } +/** + * @brief @overload QAbstractListModel::data + * @param index + * @param role + * @return QVariant + */ QVariant Model::data(const QModelIndex& index, int role) const { const ldraw::Object* object = this->objectAt(index); @@ -78,6 +100,11 @@ } } +/** + * @brief Gets a property of the header + * @param property + * @return QVariant + */ QVariant Model::getHeaderProperty(const HeaderProperty property) { switch (property) @@ -88,12 +115,24 @@ return {}; } +/** + * @brief Gets the specified property from the object at the specified index in the model. + * @param index Index of object in the model + * @param property Property to look up + * @return QVariant + */ QVariant Model::getObjectProperty(const int index, const ldraw::Property property) const { const ldraw::Object* object = this->body[unsigned_cast(index)].get(); return object->getProperty(property); } +/** + * @brief Gets a list of GL polygons that are used to represent this model. + * @details Will build polygons if polygons are outdated. + * @param documents Documents to use to resolve subfile references + * @return vector of GL polygons + */ std::vector<gl::Polygon> Model::getPolygons(DocumentManager* documents) const { if (this->needRecache) @@ -109,6 +148,11 @@ return this->cachedPolygons; } +/** + * @brief Finds the position of the specified object in the model + * @param id Object id to look for + * @return model index + */ QModelIndex Model::lookup(ldraw::id_t id) const { // FIXME: This linear search will probably cause performance issues @@ -122,11 +166,22 @@ return {}; } +/** + * @brief Gets an object id by position in the model + * @param index Position of the object in the model + * @return id + */ ldraw::id_t Model::resolve(const QModelIndex& index) const { return this->objectAt(index)->id; } +/** + * @brief Gets the GL polygons of the object at the specified position in the model + * @param index Index of object in the model + * @param polygons_out Vector to add polygons into + * @param context Context to use to resolve subfile references + */ void Model::getObjectPolygons( const int index, std::vector<gl::Polygon>& polygons_out, @@ -136,17 +191,28 @@ object->getPolygons(polygons_out, context); } +/** + * @brief Called by the editing context to signal to the model that editing is done. + */ void Model::editFinished() { this->editCounter -= 1; } +/** + * @brief Called by the editing context to indicate that the specified object has been modified. + * @param id ID of the object that has been modified + */ void Model::objectModified(ldraw::id_t id) { const QModelIndex index = this->lookup(id); Q_EMIT this->dataChanged(index, index); } +/** + * @brief Adds the given object into the model. + * @param object r-value reference to the object + */ void Model::append(ModelObjectPointer&& object) { const int position = static_cast<int>(this->body.size()); @@ -156,6 +222,10 @@ this->needRecache = true; } +/** + * @brief Removes the object at the specified position + * @param position + */ void Model::remove(int position) { if (position >= 0 and position < signed_cast(this->body.size())) @@ -167,11 +237,21 @@ } } +/** + * @brief Gets the object pointer at the specified position + * @param index Position of the object + * @returns object pointer + */ ldraw::Object* Model::objectAt(const QModelIndex& index) { return this->body[unsigned_cast(index.row())].get(); } +/** + * @brief Gets the object pointer at the specified position + * @param index Position of the object + * @returns object pointer + */ const ldraw::Object* Model::objectAt(const QModelIndex& index) const { return this->body[unsigned_cast(index.row())].get();