Item model representing a scene's node tree for Qt views. More...

#include <C:/Code/AeonEngine/tools/worldeditor/models/SceneModel.h>

Inheritance diagram for AeonGames::SceneModel:

Collaboration diagram for AeonGames::SceneModel:

Public Member Functions
	SceneModel (QObject *parent=nullptr)
	Construct the scene model.
virtual	~SceneModel ()
	Destructor.

Qt QAbstractItemModel overrides
QModelIndex	index (int row, int column, const QModelIndex &parent=QModelIndex()) const override
	Return the index of the item at the given row and column under parent.
QModelIndex	parent (const QModelIndex &index) const override
	Return the parent of the given model index.
int	rowCount (const QModelIndex &index=QModelIndex()) const override
	Return the number of rows under the given parent.
int	columnCount (const QModelIndex &index=QModelIndex()) const override
	Return the number of columns for children of the given parent.
QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const override
	Return the data for the given index and role.
QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override
	Return the header data for the given section, orientation, and role.
bool	hasChildren (const QModelIndex &index=QModelIndex()) const override
	Return whether the given parent index has any children.
Qt::ItemFlags	flags (const QModelIndex &index) const override
	Return the item flags for the given model index.
bool	setData (const QModelIndex &index, const QVariant &value, int role) override
	Set the data for the given index and role.
bool	moveRows (const QModelIndex &sourceParent, int sourceRow, int count, const QModelIndex &destinationParent, int destinationRow) override
	Move rows from one parent to another.
Qt::DropActions	supportedDropActions () const override
	Return the drop actions supported by this model.
bool	dropMimeData (const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override
	Handle data supplied by a drag-and-drop operation.
QMimeData *	mimeData (const QModelIndexList &indexes) const override
	Return serialized MIME data for the given model indexes.
QStringList	mimeTypes () const override
	Return the list of MIME types that can be used to describe model indexes.
void	InsertNode (int row, const QModelIndex &parent=QModelIndex(), std::unique_ptr< Node > aNode={})
	Insert a node into the scene tree.
void	RemoveNode (int row, const QModelIndex &parent=QModelIndex())
	Remove a node from the scene tree.
void	SetCameraNode (const QModelIndex &index=QModelIndex())
	Set the camera to the node at the given index.
std::string	Serialize (bool aAsBinary=true) const
	Serialize the scene to a string.
void	Deserialize (const std::string &aSerializedScene)
	Deserialize a scene from a string.
const Scene &	GetScene () const
	Get a const reference to the underlying scene.

Detailed Description

Item model representing a scene's node tree for Qt views.

Definition at line 27 of file SceneModel.h.

Constructor & Destructor Documentation

◆ SceneModel()

AeonGames::SceneModel::SceneModel ( QObject * parent = nullptr )

Construct the scene model.

Parameters

parent Parent QObject.

Definition at line 30 of file SceneModel.cpp.

Member Function Documentation

◆ columnCount()

int AeonGames::SceneModel::columnCount ( const QModelIndex & index = QModelIndex() ) const

override

Return the number of columns for children of the given parent.

Parameters

index Parent model index.

Returns: Number of columns.

Definition at line 93 of file SceneModel.cpp.

◆ data()

QVariant AeonGames::SceneModel::data	(	const QModelIndex &	index,
		int	role = Qt::DisplayRole ) const

override

Return the data for the given index and role.

Parameters

index	Model index.
role	Data role.

Returns: Data as a QVariant.

Definition at line 107 of file SceneModel.cpp.

◆ Deserialize()

void AeonGames::SceneModel::Deserialize ( const std::string & aSerializedScene )

Deserialize a scene from a string.

Parameters

aSerializedScene Serialized scene data.

Definition at line 341 of file SceneModel.cpp.

◆ dropMimeData()

bool AeonGames::SceneModel::dropMimeData	(	const QMimeData *	data,
		Qt::DropAction	action,
		int	row,
		int	column,
		const QModelIndex &	parent )

override

Handle data supplied by a drag-and-drop operation.

Parameters

data	MIME data from the drop.
action	The drop action performed.
row	Target row.
column	Target column.
parent	Parent model index.

Returns: True if the data was handled successfully.

Definition at line 235 of file SceneModel.cpp.

◆ flags()

Qt::ItemFlags AeonGames::SceneModel::flags ( const QModelIndex & index ) const

override

Return the item flags for the given model index.

Parameters

index Model index.

Returns: Item flags.

Definition at line 136 of file SceneModel.cpp.

◆ GetScene()

const Scene & AeonGames::SceneModel::GetScene ( ) const

Get a const reference to the underlying scene.

Returns: Const reference to the scene.

Definition at line 348 of file SceneModel.cpp.

◆ hasChildren()

bool AeonGames::SceneModel::hasChildren ( const QModelIndex & index = QModelIndex() ) const

override

Return whether the given parent index has any children.

Parameters

index Parent model index.

Returns: True if the parent has children.

Definition at line 98 of file SceneModel.cpp.

◆ headerData()

QVariant AeonGames::SceneModel::headerData	(	int	section,
		Qt::Orientation	orientation,
		int	role = Qt::DisplayRole ) const

override

Return the header data for the given section, orientation, and role.

Parameters

section	Header section index.
orientation	Horizontal or vertical header.
role	Data role.

Returns: Header data as a QVariant.

Definition at line 35 of file SceneModel.cpp.

◆ index()

QModelIndex AeonGames::SceneModel::index	(	int	row,
		int	column,
		const QModelIndex &	parent = QModelIndex() ) const

override

Return the index of the item at the given row and column under parent.

Parameters

row	Row number.
column	Column number.
parent	Parent model index.

Returns: Model index for the specified item.

Definition at line 50 of file SceneModel.cpp.

◆ InsertNode()

void AeonGames::SceneModel::InsertNode	(	int	row,
		const QModelIndex &	parent = QModelIndex(),
		std::unique_ptr< Node >	aNode = {} )

Insert a node into the scene tree.

Parameters

row	Row position for the new node.
parent	Parent model index.
aNode	Optional node to insert; a default node is created if empty.

Definition at line 294 of file SceneModel.cpp.

◆ mimeData()

QMimeData * AeonGames::SceneModel::mimeData ( const QModelIndexList & indexes ) const

override

Return serialized MIME data for the given model indexes.

Parameters

indexes List of model indexes to serialize.

Returns: Pointer to a QMimeData object containing the serialized data.

Definition at line 266 of file SceneModel.cpp.

◆ mimeTypes()

QStringList AeonGames::SceneModel::mimeTypes ( ) const

override

Return the list of MIME types that can be used to describe model indexes.

Returns: List of supported MIME type strings.

Definition at line 287 of file SceneModel.cpp.

◆ moveRows()

bool AeonGames::SceneModel::moveRows	(	const QModelIndex &	sourceParent,
		int	sourceRow,
		int	count,
		const QModelIndex &	destinationParent,
		int	destinationRow )

override

Move rows from one parent to another.

Parameters

sourceParent	Parent index of the source rows.
sourceRow	Starting row to move.
count	Number of rows to move.
destinationParent	Parent index of the destination.
destinationRow	Destination row position.

Returns: True if the rows were moved successfully.

Definition at line 157 of file SceneModel.cpp.

◆ parent()

QModelIndex AeonGames::SceneModel::parent ( const QModelIndex & index ) const

override

Return the parent of the given model index.

Parameters

index The child model index.

Returns: Parent model index, or an invalid index if the item has no parent.

Definition at line 70 of file SceneModel.cpp.

◆ RemoveNode()

void AeonGames::SceneModel::RemoveNode	(	int	row,
		const QModelIndex &	parent = QModelIndex() )

Remove a node from the scene tree.

Parameters

row	Row position of the node to remove.
parent	Parent model index.

Definition at line 308 of file SceneModel.cpp.

◆ rowCount()

int AeonGames::SceneModel::rowCount ( const QModelIndex & index = QModelIndex() ) const

override

Return the number of rows under the given parent.

Parameters

index Parent model index.

Returns: Number of rows.

Definition at line 84 of file SceneModel.cpp.

◆ Serialize()

std::string AeonGames::SceneModel::Serialize ( bool aAsBinary = true ) const

Serialize the scene to a string.

Parameters

aAsBinary If true, serialize as binary; otherwise as text.

Returns: Serialized scene data.

Definition at line 336 of file SceneModel.cpp.

◆ SetCameraNode()

void AeonGames::SceneModel::SetCameraNode ( const QModelIndex & index = QModelIndex() )

Set the camera to the node at the given index.

Parameters

index Model index of the camera node.

Definition at line 322 of file SceneModel.cpp.

◆ setData()

bool AeonGames::SceneModel::setData	(	const QModelIndex &	index,
		const QVariant &	value,
		int	role )

override

Set the data for the given index and role.

Parameters

index	Model index.
value	New value.
role	Data role.

Returns: True if the data was set successfully.

Definition at line 145 of file SceneModel.cpp.

◆ supportedDropActions()

Qt::DropActions AeonGames::SceneModel::supportedDropActions ( ) const

override

Return the drop actions supported by this model.

Returns: Supported drop actions.

Definition at line 230 of file SceneModel.cpp.

The documentation for this class was generated from the following files:

tools/worldeditor/models/SceneModel.h
tools/worldeditor/models/SceneModel.cpp

Public Member Functions

Qt QAbstractItemModel overrides

Detailed Description

Constructor & Destructor Documentation

◆ SceneModel()

Member Function Documentation

◆ columnCount()

◆ data()

◆ Deserialize()

◆ dropMimeData()

◆ flags()

◆ GetScene()

◆ hasChildren()

◆ headerData()

◆ index()

◆ InsertNode()

◆ mimeData()

◆ mimeTypes()

◆ moveRows()

◆ parent()

◆ RemoveNode()

◆ rowCount()

◆ Serialize()

◆ SetCameraNode()

◆ setData()

◆ supportedDropActions()