SUIT_TreeModel.TreeSync Class Reference

Functor class for synchronizing data tree and tree model when the data tree is changed outside the model.

Public Member Functions
	TreeSync (SUIT_TreeModel *)
	Constructor.
bool	isEqual (const ObjPtr &, const ItemPtr &) const
	Check if item corresponds to the specified data object.
ObjPtr	nullSrc () const
	Get null data object.
ItemPtr	nullTrg () const
	Get null tree item.
ItemPtr	createItem (const ObjPtr &, const ItemPtr &, const ItemPtr &) const
	Create an item corresponding to the specified data object.
void	updateItem (const ObjPtr &, const ItemPtr &) const
	Update tree item.
void	deleteItemWithChildren (const ItemPtr &) const
	Delete item with all children recursively.
QList< ObjPtr >	children (const ObjPtr &) const
	Get all the children of the specified data object.
QList< ItemPtr >	children (const ItemPtr &) const
	Get all the children of the specified tree item.
ItemPtr	parent (const ItemPtr &) const
	Get item which is the parent for the specified item.
Private Member Functions
bool	needUpdate (const ItemPtr &) const
	Check if the tree item needs updating.
Private Attributes
SUIT_TreeModel *	myModel

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Constructor & Destructor Documentation

SUIT_TreeModel.TreeSync::TreeSync

(

SUIT_TreeModel *

model

)

Parameters:

model

tree model

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Member Function Documentation

bool SUIT_TreeModel.TreeSync::isEqual	(	const ObjPtr &	obj,
		const ItemPtr &	item
	)		const

Parameters:

obj	data object
item	tree item

Returns:

true if item corresponds to the data object

References SUIT_TreeModel.TreeItem.dataObject(), PyInterp.obj, and SUIT_DataObject.root().

SUIT_TreeModel::ObjPtr SUIT_TreeModel.TreeSync::nullSrc

(

)

const

Returns:

null data object

SUIT_TreeModel::ItemPtr SUIT_TreeModel.TreeSync::nullTrg

(

)

const

Returns:

null tree item

SUIT_TreeModel::ItemPtr SUIT_TreeModel.TreeSync::createItem	(	const ObjPtr &	obj,
		const ItemPtr &	parent,
		const ItemPtr &	after
	)		const

Parameters:

obj	data object
parent	parent tree item
after	tree item after each new one should be inserted

Returns:

created item

References SUIT_DataObject.update().

void SUIT_TreeModel.TreeSync::updateItem	(	const ObjPtr &	obj,
		const ItemPtr &	item
	)		const

Parameters:

obj	reference data object
item	tree item to be updated

References SUIT_DataObject.update().

void SUIT_TreeModel.TreeSync::deleteItemWithChildren

(

const ItemPtr &

item

)

const

Parameters:

item

tree item

QList< SUIT_TreeModel::ObjPtr > SUIT_TreeModel.TreeSync::children

(

const ObjPtr &

obj

)

const

Parameters:

obj	data object

Returns:

list of the children

References SUIT_DataObject.children().

QList< SUIT_TreeModel::ItemPtr > SUIT_TreeModel.TreeSync::children

(

const ItemPtr &

item

)

const

Parameters:

item

tree item

Returns:

list of the children

References SUIT_TreeModel.TreeItem.children().

SUIT_TreeModel::ItemPtr SUIT_TreeModel.TreeSync::parent

(

const ItemPtr &

item

)

const

Parameters:

item

tree item

Returns:

parent item

References SUIT_TreeModel.TreeItem.parent().

bool SUIT_TreeModel.TreeSync::needUpdate

(

const ItemPtr &

item

)

const [private]

Parameters:

item	tree item to be checked

Returns:

true if item needs updating

Todo:

finalize this method

References SUIT_TreeModel.TreeItem.dataObject(), and PyInterp.obj.

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Field Documentation

SUIT_TreeModel* SUIT_TreeModel.TreeSync.myModel [private]