ModelPartList Class Reference

Model class used by Qt to display ModelPart objects in a tree view. More...

#include <ModelPartList.h>

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Public Member Functions
	ModelPartList (const QString &data, QObject *parent=NULL)
	Constructor.
	~ModelPartList ()
	Destructor.
int	columnCount (const QModelIndex &parent) const
	Returns number of columns in the model.
QVariant	data (const QModelIndex &index, int role) const
	Returns data for a given index and role.
Qt::ItemFlags	flags (const QModelIndex &index) const
	Returns flags for an item.
QVariant	headerData (int section, Qt::Orientation orientation, int role) const
	Returns header data for the model.
QModelIndex	index (int row, int column, const QModelIndex &parent) const
	Creates an index for a given row and column.
QModelIndex	parent (const QModelIndex &index) const
	Returns parent index of a given item.
int	rowCount (const QModelIndex &parent) const
	Returns number of child rows under a parent.
ModelPart *	getRootItem ()
	Returns pointer to root item.
QModelIndex	appendChild (QModelIndex &parent, const QList< QVariant > &data)
	Adds a child item to the tree.
bool	removeRows (int row, int count, const QModelIndex &parent=QModelIndex()) override
	Removes rows from the model.

Detailed Description

Model class used by Qt to display ModelPart objects in a tree view.

Implements QAbstractItemModel to provide hierarchical data for the GUI.

Constructor & Destructor Documentation

ModelPartList()

ModelPartList::ModelPartList	(	const QString &	data,
		QObject *	parent = NULL
	)

Constructor.

< A special Qt tag used to indicate that this is a special Qt class that might require preprocessing before compiling.

Parameters

data	Initial data (not heavily used)
parent	Parent QObject

Member Function Documentation

appendChild()

QModelIndex ModelPartList::appendChild	(	QModelIndex &	parent,
		const QList< QVariant > &	data
	)

Adds a child item to the tree.

Parameters

parent	Parent index
data	Data for new child

Returns

QModelIndex of new item

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columnCount()

int ModelPartList::columnCount

(

const QModelIndex &

parent

)

const

Returns number of columns in the model.

Parameters

parent

Parent index (unused)

Returns

Number of columns (e.g. Part, Visible)

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data()

QVariant ModelPartList::data	(	const QModelIndex &	index,
		int	role
	)		const

Returns data for a given index and role.

Parameters

index	Specifies row and column
role	Specifies how data is used (display/edit)

Returns

Data value as QVariant

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flags()

Qt::ItemFlags ModelPartList::flags

(

const QModelIndex &

index

)

const

Returns flags for an item.

Parameters

index

Item index

Returns

Qt item flags (e.g. selectable, editable)

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getRootItem()

ModelPart * ModelPartList::getRootItem

(

)

Returns pointer to root item.

Returns

Root ModelPart pointer

headerData()

QVariant ModelPartList::headerData	(	int	section,
		Qt::Orientation	orientation,
		int	role
	)		const

Returns header data for the model.

Parameters

section	Column index
orientation	Horizontal/vertical
role	Data role

Returns

Header text

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index()

QModelIndex ModelPartList::index	(	int	row,
		int	column,
		const QModelIndex &	parent
	)		const

Creates an index for a given row and column.

Parameters

row	Row index
column	Column index
parent	Parent index

Returns

QModelIndex for the item

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parent()

QModelIndex ModelPartList::parent

(

const QModelIndex &

index

)

const

Returns parent index of a given item.

Parameters

index

Child index

Returns

Parent QModelIndex

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removeRows()

bool ModelPartList::removeRows ( int  row, int  count, const QModelIndex &  parent = QModelIndex()  )

override

Removes rows from the model.

‍** Remove a child item from the tree

Parameters

row	Starting row
count	Number of rows to remove
parent	Parent index

Returns

True if removal successful

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rowCount()

int ModelPartList::rowCount

(

const QModelIndex &

parent

)

const

Returns number of child rows under a parent.

Parameters

parent

Parent index

Returns

Number of child items

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

• ModelPartList.h
• ModelPartList.cpp