#include <graphicsedge.h>

Inheritance diagram for GraphicsEdge:

Collaboration diagram for GraphicsEdge:

Public Types
enum	{ Type = UserType + 2 }

Public Slots
void	adjust ()
	Leaves some empty space (offset) from node - make the edge weight appear on the centre of the edge. More...

Public Member Functions
	GraphicsEdge (GraphicsWidget , GraphicsNode , GraphicsNode *, const qreal &weight, const QString &label, const QString &color, const Qt::PenStyle &style, const int &type, const bool &drawArrows, const bool &bezier, const bool &weightNumbers=false, const bool &highlighting=true)

	~GraphicsEdge ()
	‍** More...

int	type () const

GraphicsNode *	sourceNode () const
	Returns the source node of this graphics edge. More...

void	setSourceNode (GraphicsNode *node)
	Sets the source node of this graphics edge. More...

GraphicsNode *	targetNode () const
	Returns the target node. More...

void	setTargetNode (GraphicsNode *node)
	Sets the target node.s. More...

int	sourceNodeNumber ()

int	targetNodeNumber ()

qreal	dx () const
	Returns the horizontal difference between target and source nodes. More...

qreal	dy () const
	Returns the vertical difference between target and source nodes. More...

qreal	length () const
	Returns the euclidean length of the edge. More...

void	setSourceNodeSize (const int &size)
	Called from graphicsNode to update edge offset from source node (i.e. when node size changes) More...

void	setTargetNodeSize (const int &size)
	Called from graphicsNode to update edge offset from target node (i.e. when node size changes) More...

void	setMinimumOffsetFromNode (const int &offset)
	Updates Minimum Offset From Node and calls adjust to update the edge. More...

void	removeRefs ()
	Removes any references to this edge in source and target nodes. More...

void	setWeight (const qreal &w)
	Changes the edge weight - Updates both the width and the weightNumber. More...

qreal	weight () const
	Returns the weight/value of this edge. More...

void	addWeightNumber ()
	Adds a graphics edge weight to this edge. More...

void	setWeightNumberVisibility (const bool &toggle)
	Toggles visibility of weight numbers. More...

void	setLabel (const QString &label)
	Changes the edge label. More...

QString	label () const
	Returns the edge label text. More...

void	addLabel ()
	Adds a graphics edge label to this edge. More...

void	setLabelVisibility (const bool &toggle)
	Toggles the graphics edge label visibility. More...

void	showArrows (const bool &)
	Toggles displaying edge arrow. More...

void	setDirectionType (const int &dirType=0)
	Changes the direction type of edge A->B. More...

int	directionType ()
	returns the direction type of this edge More...

qreal	width () const
	Returns the width of the edge as a function of edge weight. More...

QPen	pen () const
	Returns the QPen for this edge – the pen changes when the edge state changes/. More...

void	setState (const int &state)
	Sets the edge state. More...

void	setStyle (const Qt::PenStyle &style)
	Sets the PenStyle of this edge. More...

Qt::PenStyle	style () const
	Returns the PenStyle of this edge. More...

void	setColor (const QString &str)
	Sets the edge color. More...

QColor	color () const
	Returns the edge QColor. More...

QString	colorToPajek ()
	Returns the edge color in pajek-accepted format. More...

void	setHighlighted (const bool &flag)
	Toggles the highlighted state of the the edge, if highlighting is allowed. More...

void	setHighlighting (const bool &toggle)
	Toggles edge highlighting on or off. More...

QPainterPath	shape () const
	Returns the shape of this edge as a QPainterPath in local coordinates. The shape is used for many things, including collision detection, hit tests, and for the QGraphicsScene::items() functions. The default implementation calls boundingRect() to return a simple rectangular shape, but we reimplement it to return a more accurate shape for non-rectangular items. More...

Protected Member Functions
QRectF	boundingRect () const
	Defines the outer bounds of the edge as a rectangle; All painting will be restricted to inside the edge's bounding rect. Qt uses this bounding rect to determine whether the edge requires redrawing. More...

void	paint (QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget)
	Pains the edge. More...

QVariant	itemChange (GraphicsItemChange change, const QVariant &value)
	Called when the edge changes, i.e. moves, becomes disabled or changes its visibility. More...

Private Attributes
GraphicsWidget *	graphicsWidget

GraphicsNode *	source

GraphicsNode *	target

GraphicsEdgeWeight *	weightNumber

GraphicsEdgeLabel *	edgeLabel

QPainterPath	m_path

QPointF	sourcePoint

QPointF	targetPoint

QPointF	edgeOffset

qreal	m_arrowSize

qreal	m_minOffsetFromNode

qreal	m_offsetFromTargetNode

qreal	m_offsetFromSourceNode

Qt::PenStyle	m_style

int	m_state

QString	m_colorNegative

QString	m_label

QColor	m_color

qreal	m_weight

qreal	m_width

int	m_edgeDirType

qreal	angle

qreal	line_length

qreal	line_dx

qreal	line_dy

bool	m_Bezier

bool	m_drawArrows

bool	m_drawWeightNumber

bool	m_drawLabel

bool	m_hoverHighlighting

bool	m_isClicked

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
Type

Constructor & Destructor Documentation

◆ GraphicsEdge()

SOCNETV_USE_NAMESPACE GraphicsEdge::GraphicsEdge	(	GraphicsWidget *	gw,
		GraphicsNode *	from,
		GraphicsNode *	to,
		const qreal &	weight,
		const QString &	label,
		const QString &	color,
		const Qt::PenStyle &	style,
		const int &	type,
		const bool &	drawArrows,
		const bool &	bezier,
		const bool &	weightNumbers = `false`,
		const bool &	highlighting = `true`
	)

◆ ~GraphicsEdge()

GraphicsEdge::~GraphicsEdge ( )

‍**

Member Function Documentation

◆ addLabel()

void GraphicsEdge::addLabel ( )

Adds a graphics edge label to this edge.

◆ addWeightNumber()

void GraphicsEdge::addWeightNumber ( )

Adds a graphics edge weight to this edge.

◆ adjust

void GraphicsEdge::adjust ( )

slot

Leaves some empty space (offset) from node - make the edge weight appear on the centre of the edge.

◆ boundingRect()

QRectF GraphicsEdge::boundingRect ( ) const

protected

Defines the outer bounds of the edge as a rectangle; All painting will be restricted to inside the edge's bounding rect. Qt uses this bounding rect to determine whether the edge requires redrawing.

Returns

◆ color()

QColor GraphicsEdge::color ( ) const

Returns the edge QColor.

Returns

◆ colorToPajek()

QString GraphicsEdge::colorToPajek ( )

Returns the edge color in pajek-accepted format.

Called from Graph

Returns

◆ directionType()

int GraphicsEdge::directionType ( )

returns the direction type of this edge

Returns

◆ dx()

qreal GraphicsEdge::dx ( ) const

Returns the horizontal difference between target and source nodes.

Returns

◆ dy()

qreal GraphicsEdge::dy ( ) const

Returns the vertical difference between target and source nodes.

Returns

◆ itemChange()

QVariant GraphicsEdge::itemChange	(	GraphicsItemChange	change,
		const QVariant &	value
	)

protected

Called when the edge changes, i.e. moves, becomes disabled or changes its visibility.

Parameters

change
value

Returns

◆ label()

QString GraphicsEdge::label ( ) const

Returns the edge label text.

Returns: QString

◆ length()

qreal GraphicsEdge::length ( ) const

Returns the euclidean length of the edge.

Returns

◆ paint()

void GraphicsEdge::paint	(	QPainter *	painter,
		const QStyleOptionGraphicsItem *	option,
		QWidget *	widget
	)

protected

Pains the edge.

Parameters

painter
option

◆ pen()

QPen GraphicsEdge::pen ( ) const

Returns the QPen for this edge – the pen changes when the edge state changes/.

Returns

◆ removeRefs()

void GraphicsEdge::removeRefs ( )

Removes any references to this edge in source and target nodes.

◆ setColor()

void GraphicsEdge::setColor ( const QString & str )

Sets the edge color.

Parameters

str

◆ setDirectionType()

void GraphicsEdge::setDirectionType ( const int & dirType = 0 )

Changes the direction type of edge A->B.

◆ setHighlighted()

void GraphicsEdge::setHighlighted ( const bool & flag )

Toggles the highlighted state of the the edge, if highlighting is allowed.

Called from GraphicsNode when the user hovers over the node.

Parameters

flag

◆ setHighlighting()

void GraphicsEdge::setHighlighting ( const bool & toggle )

Toggles edge highlighting on or off.

If enabled, the edge can be highlighted.

Parameters

toggle

◆ setLabel()

void GraphicsEdge::setLabel ( const QString & label )

Changes the edge label.

Called from MW when user wants to change an edge's label

Parameters

label

◆ setLabelVisibility()

void GraphicsEdge::setLabelVisibility ( const bool & toggle )

Toggles the graphics edge label visibility.

Parameters

toggle

◆ setMinimumOffsetFromNode()

void GraphicsEdge::setMinimumOffsetFromNode ( const int & offset )

Updates Minimum Offset From Node and calls adjust to update the edge.

Parameters

offset

◆ setSourceNode()

void GraphicsEdge::setSourceNode ( GraphicsNode * node )

Sets the source node of this graphics edge.

Parameters

node

◆ setSourceNodeSize()

void GraphicsEdge::setSourceNodeSize ( const int & size )

Called from graphicsNode to update edge offset from source node (i.e. when node size changes)

Parameters

offset

◆ setState()

void GraphicsEdge::setState ( const int & state )

Sets the edge state.

Parameters

state

◆ setStyle()

void GraphicsEdge::setStyle ( const Qt::PenStyle & style )

Sets the PenStyle of this edge.

Parameters

style

◆ setTargetNode()

void GraphicsEdge::setTargetNode ( GraphicsNode * node )

Sets the target node.s.

Parameters

node

◆ setTargetNodeSize()

void GraphicsEdge::setTargetNodeSize ( const int & size )

Called from graphicsNode to update edge offset from target node (i.e. when node size changes)

Parameters

offset

◆ setWeight()

void GraphicsEdge::setWeight ( const qreal & w )

Changes the edge weight - Updates both the width and the weightNumber.

Called from MW when user wants to change an edge's weight.

Parameters

w

◆ setWeightNumberVisibility()

void GraphicsEdge::setWeightNumberVisibility ( const bool & toggle )

Toggles visibility of weight numbers.

Parameters

toggle

◆ shape()

QPainterPath GraphicsEdge::shape ( ) const

Returns the shape of this edge as a QPainterPath in local coordinates. The shape is used for many things, including collision detection, hit tests, and for the QGraphicsScene::items() functions. The default implementation calls boundingRect() to return a simple rectangular shape, but we reimplement it to return a more accurate shape for non-rectangular items.

Returns: QPainterPath

◆ showArrows()

void GraphicsEdge::showArrows ( const bool & drawArrows )

Toggles displaying edge arrow.

Parameters

drawArrows

◆ sourceNode()

GraphicsNode * GraphicsEdge::sourceNode ( ) const

Returns the source node of this graphics edge.

Returns

◆ sourceNodeNumber()

int GraphicsEdge::sourceNodeNumber ( )

Returns the source node number

Returns: int

◆ style()

Qt::PenStyle GraphicsEdge::style ( ) const

Returns the PenStyle of this edge.

Returns

◆ targetNode()

GraphicsNode * GraphicsEdge::targetNode ( ) const

Returns the target node.

Returns

◆ targetNodeNumber()

int GraphicsEdge::targetNodeNumber ( )

Returns the target node number

Returns: int

◆ type()

int GraphicsEdge::type ( ) const

inline

◆ weight()

qreal GraphicsEdge::weight ( ) const

Returns the weight/value of this edge.

Returns

◆ width()

qreal GraphicsEdge::width ( ) const

Returns the width of the edge as a function of edge weight.

Returns

Member Data Documentation

◆ angle

qreal GraphicsEdge::angle

private

◆ edgeLabel

GraphicsEdgeLabel* GraphicsEdge::edgeLabel

private

◆ edgeOffset

QPointF GraphicsEdge::edgeOffset

private

◆ graphicsWidget

GraphicsWidget* GraphicsEdge::graphicsWidget

private

◆ line_dx

qreal GraphicsEdge::line_dx

private

◆ line_dy

qreal GraphicsEdge::line_dy

private

◆ line_length

qreal GraphicsEdge::line_length

private

◆ m_arrowSize

qreal GraphicsEdge::m_arrowSize

private

◆ m_Bezier

bool GraphicsEdge::m_Bezier

private

◆ m_color

QColor GraphicsEdge::m_color

private

◆ m_colorNegative

QString GraphicsEdge::m_colorNegative

private

◆ m_drawArrows

bool GraphicsEdge::m_drawArrows

private

◆ m_drawLabel

bool GraphicsEdge::m_drawLabel

private

◆ m_drawWeightNumber

bool GraphicsEdge::m_drawWeightNumber

private

◆ m_edgeDirType

int GraphicsEdge::m_edgeDirType

private

◆ m_hoverHighlighting

bool GraphicsEdge::m_hoverHighlighting

private

◆ m_isClicked

bool GraphicsEdge::m_isClicked

private

◆ m_label

QString GraphicsEdge::m_label

private

◆ m_minOffsetFromNode

qreal GraphicsEdge::m_minOffsetFromNode

private

◆ m_offsetFromSourceNode

qreal GraphicsEdge::m_offsetFromSourceNode

private

◆ m_offsetFromTargetNode

qreal GraphicsEdge::m_offsetFromTargetNode

private

◆ m_path

QPainterPath GraphicsEdge::m_path

private

◆ m_state

int GraphicsEdge::m_state

private

◆ m_style

Qt::PenStyle GraphicsEdge::m_style

private

◆ m_weight

qreal GraphicsEdge::m_weight

private

◆ m_width

qreal GraphicsEdge::m_width

private

◆ source

GraphicsNode* GraphicsEdge::source

private

◆ sourcePoint

QPointF GraphicsEdge::sourcePoint

private

◆ target

GraphicsNode * GraphicsEdge::target

private

◆ targetPoint

QPointF GraphicsEdge::targetPoint

private

◆ weightNumber

GraphicsEdgeWeight* GraphicsEdge::weightNumber

private

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

app/src/graphicsedge.h
app/src/graphicsedge.cpp

Public Types

Public Slots

Public Member Functions

Protected Member Functions

Private Attributes

Member Enumeration Documentation

◆ anonymous enum

Constructor & Destructor Documentation

◆ GraphicsEdge()

◆ ~GraphicsEdge()

Member Function Documentation

◆ addLabel()

◆ addWeightNumber()

◆ adjust

◆ boundingRect()

◆ color()

◆ colorToPajek()

◆ directionType()

◆ dx()

◆ dy()

◆ itemChange()

◆ label()

◆ length()

◆ paint()

◆ pen()

◆ removeRefs()

◆ setColor()

◆ setDirectionType()

◆ setHighlighted()

◆ setHighlighting()

◆ setLabel()

◆ setLabelVisibility()

◆ setMinimumOffsetFromNode()

◆ setSourceNode()

◆ setSourceNodeSize()

◆ setState()

◆ setStyle()

◆ setTargetNode()

◆ setTargetNodeSize()

◆ setWeight()

◆ setWeightNumberVisibility()

◆ shape()

◆ showArrows()

◆ sourceNode()

◆ sourceNodeNumber()

◆ style()

◆ targetNode()

◆ targetNodeNumber()

◆ type()

◆ weight()

◆ width()

Member Data Documentation

◆ angle

◆ edgeLabel

◆ edgeOffset

◆ graphicsWidget

◆ line_dx

◆ line_dy

◆ line_length

◆ m_arrowSize

◆ m_Bezier

◆ m_color

◆ m_colorNegative

◆ m_drawArrows

◆ m_drawLabel

◆ m_drawWeightNumber

◆ m_edgeDirType

◆ m_hoverHighlighting

◆ m_isClicked

◆ m_label

◆ m_minOffsetFromNode

◆ m_offsetFromSourceNode

◆ m_offsetFromTargetNode

◆ m_path

◆ m_state

◆ m_style

◆ m_weight

◆ m_width

◆ source

◆ sourcePoint