EdgeTableModel Class Reference

Table model that caches edge data for the current relation from Graph and writes back via the Graph API. More...

#include <widgets/edgetablemodel.h>

Inheritance diagram for EdgeTableModel:

Collaboration diagram for EdgeTableModel:

Classes
struct	EdgeRow

Public Member Functions
	EdgeTableModel (QObject *parent=nullptr)
void	populate (Graph *graph)
	Rebuilds the internal cache from graph (current relation only).
int	rowCount (const QModelIndex &parent=QModelIndex()) const override
int	columnCount (const QModelIndex &parent=QModelIndex()) const override
QVariant	data (const QModelIndex &index, int role=Qt::DisplayRole) const override
QVariant	headerData (int section, Qt::Orientation orientation, int role=Qt::DisplayRole) const override
Qt::ItemFlags	flags (const QModelIndex &index) const override
bool	setData (const QModelIndex &index, const QVariant &value, int role=Qt::EditRole) override

Private Attributes
Graph *	m_graph = nullptr
QList< EdgeRow >	m_rows
QStringList	m_attrKeys

Static Private Attributes
static constexpr int	FIXED_COLS = 6
static constexpr int	COL_SOURCE = 0
static constexpr int	COL_TARGET = 1
static constexpr int	COL_RELATION = 2
static constexpr int	COL_WEIGHT = 3
static constexpr int	COL_LABEL = 4
static constexpr int	COL_COLOR = 5

Detailed Description

Table model that caches edge data for the current relation from Graph and writes back via the Graph API.

Fixed columns: Source, Target, Relation, Weight, Label, Color. Dynamic columns: one per custom attribute key reported by the graph.

Constructor & Destructor Documentation

EdgeTableModel()

EdgeTableModel::EdgeTableModel ( QObject *  parent = nullptr )

explicit

Member Function Documentation

columnCount()

int EdgeTableModel::columnCount ( const QModelIndex &  parent = QModelIndex() ) const

override

data()

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

override

flags()

Qt::ItemFlags EdgeTableModel::flags ( const QModelIndex &  index ) const

override

headerData()

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

override

populate()

void EdgeTableModel::populate

(

Graph *

graph

)

Rebuilds the internal cache from graph (current relation only).

Rebuilds the internal row cache from the current relation of graph.

Calls beginResetModel() / endResetModel() so connected views repaint.

Only enabled edges belonging to the current relation are included. Custom attribute keys are taken from Graph::graphHasEdgeCustomAttributes().

rowCount()

int EdgeTableModel::rowCount ( const QModelIndex &  parent = QModelIndex() ) const

override

setData()

bool EdgeTableModel::setData ( const QModelIndex &  index, const QVariant &  value, int  role = Qt::EditRole  )

override

Member Data Documentation

COL_COLOR

constexpr int EdgeTableModel::COL_COLOR = 5

staticconstexprprivate

COL_LABEL

constexpr int EdgeTableModel::COL_LABEL = 4

staticconstexprprivate

COL_RELATION

constexpr int EdgeTableModel::COL_RELATION = 2

staticconstexprprivate

COL_SOURCE

constexpr int EdgeTableModel::COL_SOURCE = 0

staticconstexprprivate

COL_TARGET

constexpr int EdgeTableModel::COL_TARGET = 1

staticconstexprprivate

COL_WEIGHT

constexpr int EdgeTableModel::COL_WEIGHT = 3

staticconstexprprivate

FIXED_COLS

constexpr int EdgeTableModel::FIXED_COLS = 6

staticconstexprprivate

m_attrKeys

QStringList EdgeTableModel::m_attrKeys

private

m_graph

Graph* EdgeTableModel::m_graph = nullptr

private

m_rows

QList<EdgeRow> EdgeTableModel::m_rows

private

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

• edgetablemodel.h
• edgetablemodel.cpp