Implements a view for the graph. This class is in charge of computing the absolute coordinates for the relative child geometries, the points for perimeters and edge styles and keeping them cached in mxCellStates for faster retrieval. The states are updated whenever the model or the view state (translate, scale) changes. The scale and translate are honoured in the bounds. More...

Public Member Functions
	mxGraphView (mxGraph graph)
	Constructs a new view for the given graph. More...

mxRectangle	GetBounds (Object[] cells)
	Returns the bounding box for an array of cells or null, if no cells are specified. More...

mxRectangle	GetBoundingBox (Object[] cells)
	Returns the bounding box for an array of cells or null, if no cells are specified. More...

mxRectangle	GetBounds (Object[] cells, bool boundingBox)
	Returns the bounding box for an array of cells or null, if no cells are specified. More...

void	Revalidate ()
	First invalidates, then validates all cell states. More...

void	Invalidate ()
	Invalidates all cell states. More...

void	Validate ()
	First validates all bounds and then validates all points recursively on all visible cells. More...

mxRectangle	GetBoundingBox (mxCellState state)
	Shortcut to validateCell with visible set to true. More...

mxRectangle	GetBoundingBox (mxCellState state, Boolean recurse)
	Returns the bounding box of the shape and the label for the given cell state and its children if recurse is true. More...

Object	ValidateCell (Object cell)
	Shortcut to validateCell with visible set to true. More...

Object	ValidateCell (Object cell, Boolean visible)
	Recursively creates the cell state for the given cell if visible is true and the given cell is visible. If the cell is not visible but the state exists then it is removed using removeState. More...

mxCellState	ValidateCellState (Object cell)
	Shortcut to validateCellState with recurse set to true. More...

mxCellState	ValidateCellState (Object cell, Boolean recurse)
	Validates the cell state for the given cell. More...

void	UpdateCellState (mxCellState state, mxCellState source, mxCellState target)
	Updates the given cell state. More...

void	UpdateVertexState (mxCellState state, mxGeometry geo)
	Validates the given cell state. More...

void	UpdateEdgeState (mxCellState state, mxGeometry geo, mxCellState source, mxCellState target)
	Validates the given cell state. More...

void	UpdateVertexLabelOffset (mxCellState state)
	Updates the absoluteOffset of the given vertex cell state. This takes into account the label position styles. More...

void	UpdateLabelBounds (mxCellState state)
	Updates the label bounds in the given state. More...

mxRectangle	UpdateBoundingBox (mxCellState state)
	Updates the bounding box in the given cell state. More...

void	UpdateFixedTerminalPoints (mxCellState edge, mxCellState source, mxCellState target)
	Sets the initial absolute terminal points in the given state before the edge style is computed. More...

void	UpdateFixedTerminalPoint (mxCellState edge, mxCellState terminal, bool source, mxConnectionConstraint constraint)
	Sets the fixed source or target terminal point on the given edge. More...

void	UpdatePoints (mxCellState edge, List< mxPoint > points, mxCellState source, mxCellState target)
	Updates the absolute points in the given state using the specified array of points as the relative points. More...

mxPoint	TransformControlPoint (mxCellState state, mxPoint pt)
	Transforms the given control point to an absolute point. More...

mxEdgeStyleFunction	GetEdgeStyle (mxCellState edge, List< mxPoint > points, Object source, Object target)
	Returns the edge style function to be used to render the given edge state. More...

void	UpdateFloatingTerminalPoints (mxCellState state, mxCellState source, mxCellState target)
	Updates the terminal points in the given state after the edge style was computed for the edge. More...

void	UpdateFloatingTerminalPoint (mxCellState edge, mxCellState start, mxCellState end, bool source)
	Updates the absolute terminal point in the given state for the given start and end state, where start is the source if source is true. More...

mxCellState	GetTerminalPort (mxCellState state, mxCellState terminal, bool source)
	Returns the given terminal or the port defined in the given edge state if a cell state exists for that port. More...

mxPoint	GetPerimeterPoint (mxCellState terminal, mxPoint next, bool orthogonal)
	Returns a point that defines the location of the intersection point between the perimeter and the line between the center of the shape and the given point. More...

mxPoint	GetPerimeterPoint (mxCellState terminal, mxPoint next, bool orthogonal, double border)
	Returns a point that defines the location of the intersection point between the perimeter and the line between the center of the shape and the given point. More...

double	GetRoutingCenterX (mxCellState state)
	Returns the x-coordinate of the center point for automatic routing. More...

double	GetRoutingCenterY (mxCellState state)
	Returns the y-coordinate of the center point for automatic routing. More...

mxRectangle	GetPerimeterBounds (mxCellState terminal, double border)
	Returns the perimeter bounds for the given terminal, edge pair. More...

mxPerimeterFunction	GetPerimeterFunction (mxCellState state)
	Returns the perimeter function for the given state. More...

mxPoint	GetNextPoint (mxCellState edge, mxCellState opposite, bool source)
	Returns the nearest point in the list of absolute points or the center of the opposite terminal. More...

Object	GetVisibleTerminal (Object edge, bool source)
	Returns the nearest ancestor terminal that is visible. The edge appears to be connected to this terminal on the display. More...

void	UpdateEdgeBounds (mxCellState state)
	Updates the given state using the bounding box of the absolute points. Also updates terminal distance, length and segments. More...

mxPoint	GetPoint (mxCellState state)
	Returns the absolute center point along the given edge. More...

mxPoint	GetPoint (mxCellState state, mxGeometry geometry)
	Returns the absolute point on the edge for the given relative geometry as a point. The edge is represented by the given cell state. More...

mxCellState	GetState (Object cell)
	Returns the state for the given cell or null if no state is defined for the cell. More...

Dictionary< Object, mxCellState >	GetStates (Object[] cells)
	Returns the object that maps from cells to states. More...

mxCellState []	GetCellStates (Object[] cells)
	Returns the states for the given array of cells. The array contains all states that are not null, that is, the returned array may have less elements than the given array. More...

mxCellState	GetState (Object cell, bool create)
	Returns the cell state for the given cell. If create is true, then the state is created if it does not yet exist. More...

mxCellState	RemoveState (Object cell)
	Shortcut to removeState with recurse set to false. More...

mxCellState	RemoveState (Object cell, Boolean recurse)
	Removes and returns the mxCellState for the given cell. More...

mxCellState	CreateState (Object cell)
	Creates and returns a cell state for the given cell. More...

Protected Attributes
mxGraph	graph
	Reference to the enclosing graph. More...

mxRectangle	graphBounds = new mxRectangle()
	Caches the current bounds of the graph. More...

double	scale = 1
	Specifies the scale. Default is 1 (100%). More...

mxPoint	translate = new mxPoint(0, 0)
	Point that specifies the current translation. Default is a new empty point. More...

Dictionary< Object, mxCellState >	states = new Dictionary<Object, mxCellState>()
	Maps from cells to cell states. More...

bool	eventsEnabled = true
	Specifies if the view should be revalidated if the scale or translation changes. More...

Properties
mxGraph	Graph `[get]`
	Returns the enclosing graph. More...

mxRectangle	GraphBounds `[get, set]`
	Returns the cached diagram bounds. More...

double	Scale `[get, set]`
	Sets or returns the current scale. More...

mxPoint	Translate `[get, set]`
	Sets or returns the current translation. More...

Dictionary< Object, mxCellState >	States `[get, set]`
	Sets or returns the current translation. More...

bool	IsEventsEnabled `[get, set]`
	Sets or returns the current scale. More...

Detailed Description

Implements a view for the graph. This class is in charge of computing the absolute coordinates for the relative child geometries, the points for perimeters and edge styles and keeping them cached in mxCellStates for faster retrieval. The states are updated whenever the model or the view state (translate, scale) changes. The scale and translate are honoured in the bounds.

Constructor & Destructor Documentation

◆ mxGraphView()

com.mxgraph.mxGraphView.mxGraphView ( mxGraph graph )

inline

Constructs a new view for the given graph.

Parameters

graph Reference to the enclosing graph.

Member Function Documentation

◆ CreateState()

mxCellState com.mxgraph.mxGraphView.CreateState ( Object cell )

inline

Creates and returns a cell state for the given cell.

Parameters

cell	Cell for which a new state should be created.

Returns: Returns a new state for the given cell.

References com.mxgraph.mxGraph.GetCellStyle().

◆ GetBoundingBox() [1/3]

mxRectangle com.mxgraph.mxGraphView.GetBoundingBox ( Object [] cells )

inline

Returns the bounding box for an array of cells or null, if no cells are specified.

Parameters

cells

Returns

◆ GetBoundingBox() [2/3]

mxRectangle com.mxgraph.mxGraphView.GetBoundingBox ( mxCellState state )

inline

Shortcut to validateCell with visible set to true.

◆ GetBoundingBox() [3/3]

mxRectangle com.mxgraph.mxGraphView.GetBoundingBox	(	mxCellState	state,
		Boolean	recurse
	)

inline

Returns the bounding box of the shape and the label for the given cell state and its children if recurse is true.

Parameters

state	Cell state whose bounding box should be returned.
recurse	Boolean indicating if the children should be included.

References com.mxgraph.mxRectangle.Add(), com.mxgraph.mxCellState.BoundingBox, com.mxgraph.mxCellState.Cell, com.mxgraph.mxRectangle.Clone(), com.mxgraph.mxIGraphModel.GetChildAt(), com.mxgraph.mxIGraphModel.GetChildCount(), and com.mxgraph.mxGraph.Model.

◆ GetBounds() [1/2]

mxRectangle com.mxgraph.mxGraphView.GetBounds ( Object [] cells )

inline

Returns the bounding box for an array of cells or null, if no cells are specified.

Parameters

cells

Returns

Referenced by com.mxgraph.mxGraph.GetCellBounds().

◆ GetBounds() [2/2]

mxRectangle com.mxgraph.mxGraphView.GetBounds	(	Object []	cells,
		bool	boundingBox
	)

inline

Returns the bounding box for an array of cells or null, if no cells are specified.

References com.mxgraph.mxRectangle.Add(), com.mxgraph.mxCellState.BoundingBox, com.mxgraph.mxIGraphModel.IsEdge(), com.mxgraph.mxIGraphModel.IsVertex(), and com.mxgraph.mxGraph.Model.

◆ GetCellStates()

mxCellState [] com.mxgraph.mxGraphView.GetCellStates ( Object [] cells )

inline

Returns the states for the given array of cells. The array contains all states that are not null, that is, the returned array may have less elements than the given array.

◆ GetEdgeStyle()

mxEdgeStyleFunction com.mxgraph.mxGraphView.GetEdgeStyle	(	mxCellState	edge,
		List< mxPoint >	points,
		Object	source,
		Object	target
	)

inline

Returns the edge style function to be used to render the given edge state.

References com.mxgraph.mxGraph.DefaultLoopStyle, com.mxgraph.mxUtils.Eval(), com.mxgraph.mxStyleRegistry.GetValue(), com.mxgraph.mxUtils.IsTrue(), com.mxgraph.mxEdgeStyleFunction(), com.mxgraph.mxCellState.Style, com.mxgraph.mxConstants.STYLE_EDGE, com.mxgraph.mxConstants.STYLE_LOOP, and com.mxgraph.mxConstants.STYLE_NOEDGESTYLE.

Referenced by com.mxgraph.mxGraph.IsOrthogonal().

◆ GetNextPoint()

mxPoint com.mxgraph.mxGraphView.GetNextPoint	(	mxCellState	edge,
		mxCellState	opposite,
		bool	source
	)

inline

Returns the nearest point in the list of absolute points or the center of the opposite terminal.

Parameters

edge	State that represents the edge.
opposite	State that represents the opposite terminal.
source	Boolean indicating if the next point for the source or target should be returned.

References com.mxgraph.mxCellState.AbsolutePoints, com.mxgraph.mxRectangle.GetCenterX(), and com.mxgraph.mxRectangle.GetCenterY().

◆ GetPerimeterBounds()

mxRectangle com.mxgraph.mxGraphView.GetPerimeterBounds	(	mxCellState	terminal,
		double	border
	)

inline

Returns the perimeter bounds for the given terminal, edge pair.

References com.mxgraph.mxUtils.GetDouble(), com.mxgraph.mxCellState.GetPerimeterBounds(), com.mxgraph.mxCellState.Style, and com.mxgraph.mxConstants.STYLE_PERIMETER_SPACING.

◆ GetPerimeterFunction()

mxPerimeterFunction com.mxgraph.mxGraphView.GetPerimeterFunction ( mxCellState state )

inline

Returns the perimeter function for the given state.

References com.mxgraph.mxUtils.Eval(), com.mxgraph.mxStyleRegistry.GetValue(), com.mxgraph.mxPerimeterFunction(), com.mxgraph.mxCellState.Style, and com.mxgraph.mxConstants.STYLE_PERIMETER.

◆ GetPerimeterPoint() [1/2]

mxPoint com.mxgraph.mxGraphView.GetPerimeterPoint	(	mxCellState	terminal,
		mxPoint	next,
		bool	orthogonal
	)

inline

Returns a point that defines the location of the intersection point between the perimeter and the line between the center of the shape and the given point.

◆ GetPerimeterPoint() [2/2]

mxPoint com.mxgraph.mxGraphView.GetPerimeterPoint	(	mxCellState	terminal,
		mxPoint	next,
		bool	orthogonal,
		double	border
	)

inline

Returns a point that defines the location of the intersection point between the perimeter and the line between the center of the shape and the given point.

Parameters

terminal	State for the source or target terminal.
next	Point that lies outside of the given terminal.
orthogonal	Specifies if the orthogonal projection onto the perimeter should be returned. If this is false then the intersection of the perimeter and the line between the next and the center point is returned.
border	Optional border between the perimeter and the shape.

References com.mxgraph.mxRectangle.Height, com.mxgraph.mxPerimeterFunction(), and com.mxgraph.mxRectangle.Width.

◆ GetPoint() [1/2]

mxPoint com.mxgraph.mxGraphView.GetPoint ( mxCellState state )

inline

Returns the absolute center point along the given edge.

◆ GetPoint() [2/2]

mxPoint com.mxgraph.mxGraphView.GetPoint	(	mxCellState	state,
		mxGeometry	geometry
	)

inline

Returns the absolute point on the edge for the given relative geometry as a point. The edge is represented by the given cell state.

Parameters

state	Represents the state of the parent edge.
geometry	Represents the relative location.

References com.mxgraph.mxCellState.AbsolutePoints, com.mxgraph.mxRectangle.GetCenterX(), com.mxgraph.mxRectangle.GetCenterY(), com.mxgraph.mxCellState.Length, com.mxgraph.mxGeometry.Offset, com.mxgraph.mxGeometry.Relative, com.mxgraph.mxCellState.Segments, com.mxgraph.mxPoint.X, and com.mxgraph.mxPoint.Y.

◆ GetRoutingCenterX()

double com.mxgraph.mxGraphView.GetRoutingCenterX ( mxCellState state )

inline

Returns the x-coordinate of the center point for automatic routing.

Returns: Returns the x-coordinate of the routing center point.

References com.mxgraph.mxRectangle.GetCenterX(), com.mxgraph.mxUtils.GetFloat(), com.mxgraph.mxCellState.Style, com.mxgraph.mxConstants.STYLE_ROUTING_CENTER_X, and com.mxgraph.mxRectangle.Width.

◆ GetRoutingCenterY()

double com.mxgraph.mxGraphView.GetRoutingCenterY ( mxCellState state )

inline

Returns the y-coordinate of the center point for automatic routing.

Returns: Returns the y-coordinate of the routing center point.

References com.mxgraph.mxRectangle.GetCenterY(), com.mxgraph.mxUtils.GetFloat(), com.mxgraph.mxRectangle.Height, com.mxgraph.mxCellState.Style, and com.mxgraph.mxConstants.STYLE_ROUTING_CENTER_Y.

◆ GetState() [1/2]

mxCellState com.mxgraph.mxGraphView.GetState ( Object cell )

inline

Returns the state for the given cell or null if no state is defined for the cell.

Parameters

cell	Cell whose state should be returned.

Returns: Returns the state for the given cell.

Referenced by com.mxgraph.mxGraph.DrawCell(), com.mxgraph.mxGraph.GetCellAt(), and com.mxgraph.mxGraph.HitsSwimlaneContent().

◆ GetState() [2/2]

mxCellState com.mxgraph.mxGraphView.GetState	(	Object	cell,
		bool	create
	)

inline

Returns the cell state for the given cell. If create is true, then the state is created if it does not yet exist.

Parameters

cell	Cell for which a new state should be returned.
create	Boolean indicating if a new state should be created if it does not yet exist.

Returns: Returns the state for the given cell.

References com.mxgraph.mxGraph.IsCellVisible().

◆ GetStates()

Dictionary<Object, mxCellState> com.mxgraph.mxGraphView.GetStates ( Object [] cells )

inline

Returns the object that maps from cells to states.

◆ GetTerminalPort()

mxCellState com.mxgraph.mxGraphView.GetTerminalPort	(	mxCellState	state,
		mxCellState	terminal,
		bool	source
	)

inline

Returns the given terminal or the port defined in the given edge state if a cell state exists for that port.

References com.mxgraph.mxUtils.GetString(), com.mxgraph.mxGraph.Model, com.mxgraph.mxCellState.Style, com.mxgraph.mxConstants.STYLE_SOURCE_PORT, and com.mxgraph.mxConstants.STYLE_TARGET_PORT.

◆ GetVisibleTerminal()

Object com.mxgraph.mxGraphView.GetVisibleTerminal	(	Object	edge,
		bool	source
	)

inline

Returns the nearest ancestor terminal that is visible. The edge appears to be connected to this terminal on the display.

Parameters

edge	Cell whose visible terminal should be returned.
source	Boolean that specifies if the source or target terminal should be returned.

Returns: Returns the visible source or target terminal.

References com.mxgraph.mxIGraphModel.GetParent(), com.mxgraph.mxIGraphModel.GetTerminal(), com.mxgraph.mxGraph.IsCellCollapsed(), com.mxgraph.mxGraph.IsCellVisible(), com.mxgraph.mxGraph.Model, and com.mxgraph.mxIGraphModel.Root.

Referenced by com.mxgraph.mxGraph.FindTreeRoots(), com.mxgraph.mxGraph.GetEdges(), com.mxgraph.mxGraph.GetEdgesBetween(), and com.mxgraph.mxGraph.GetOpposites().

◆ Invalidate()

void com.mxgraph.mxGraphView.Invalidate ( )

inline

Invalidates all cell states.

◆ RemoveState() [1/2]

mxCellState com.mxgraph.mxGraphView.RemoveState ( Object cell )

inline

Shortcut to removeState with recurse set to false.

◆ RemoveState() [2/2]

mxCellState com.mxgraph.mxGraphView.RemoveState	(	Object	cell,
		Boolean	recurse
	)

inline

Removes and returns the mxCellState for the given cell.

Parameters

cell	mxCell for which the mxCellState should be removed.

Returns: Returns the mxCellState that has been removed.

References com.mxgraph.mxIGraphModel.GetChildAt(), com.mxgraph.mxIGraphModel.GetChildCount(), and com.mxgraph.mxGraph.Model.

◆ Revalidate()

void com.mxgraph.mxGraphView.Revalidate ( )

inline

First invalidates, then validates all cell states.

Referenced by com.mxgraph.mxGraph.GraphModelChanged().

◆ TransformControlPoint()

mxPoint com.mxgraph.mxGraphView.TransformControlPoint	(	mxCellState	state,
		mxPoint	pt
	)

inline

Transforms the given control point to an absolute point.

References com.mxgraph.mxCellState.Origin, com.mxgraph.mxPoint.X, and com.mxgraph.mxPoint.Y.

◆ UpdateBoundingBox()

mxRectangle com.mxgraph.mxGraphView.UpdateBoundingBox ( mxCellState state )

inline

Updates the bounding box in the given cell state.

Parameters

state Cell state whose bounding box should be updated.

Returns

◆ UpdateCellState()

void com.mxgraph.mxGraphView.UpdateCellState	(	mxCellState	state,
		mxCellState	source,
		mxCellState	target
	)

inline

Updates the given cell state.

Parameters

state

References com.mxgraph.mxCellState.AbsoluteOffset, com.mxgraph.mxCellState.Cell, com.mxgraph.mxGraph.GetCellGeometry(), com.mxgraph.mxGraph.GetChildOffsetForCell(), com.mxgraph.mxIGraphModel.GetParent(), com.mxgraph.mxRectangle.Height, com.mxgraph.mxIGraphModel.IsEdge(), com.mxgraph.mxIGraphModel.IsVertex(), com.mxgraph.mxCellState.Length, com.mxgraph.mxGraph.Model, com.mxgraph.mxGeometry.Offset, com.mxgraph.mxCellState.Origin, com.mxgraph.mxGeometry.Relative, com.mxgraph.mxRectangle.Width, com.mxgraph.mxPoint.X, and com.mxgraph.mxPoint.Y.

◆ UpdateEdgeBounds()

void com.mxgraph.mxGraphView.UpdateEdgeBounds ( mxCellState state )

inline

Updates the given state using the bounding box of the absolute points. Also updates terminal distance, length and segments.

Parameters

state Cell state whose bounds should be updated.

References com.mxgraph.mxCellState.AbsolutePoints, com.mxgraph.mxCellState.Cell, com.mxgraph.mxRectangle.Height, com.mxgraph.mxCellState.Length, com.mxgraph.mxCellState.Segments, com.mxgraph.mxCellState.TerminalDistance, com.mxgraph.mxRectangle.Width, com.mxgraph.mxPoint.X, and com.mxgraph.mxPoint.Y.

◆ UpdateEdgeState()

void com.mxgraph.mxGraphView.UpdateEdgeState	(	mxCellState	state,
		mxGeometry	geo,
		mxCellState	source,
		mxCellState	target
	)

inline

Validates the given cell state.

References com.mxgraph.mxCellState.AbsoluteOffset, com.mxgraph.mxCellState.AbsolutePointCount(), com.mxgraph.mxCellState.AbsolutePoints, com.mxgraph.mxCellState.Cell, com.mxgraph.mxIGraphModel.GetTerminal(), com.mxgraph.mxGeometry.GetTerminalPoint(), com.mxgraph.mxGraph.Model, and com.mxgraph.mxGeometry.Points.

◆ UpdateFixedTerminalPoint()

void com.mxgraph.mxGraphView.UpdateFixedTerminalPoint	(	mxCellState	edge,
		mxCellState	terminal,
		bool	source,
		mxConnectionConstraint	constraint
	)

inline

Sets the fixed source or target terminal point on the given edge.

Parameters

edge	State whose terminal point should be updated.
terminal	State which represents the actual terminal.
source	Boolean that specifies if the terminal is the source.
constraint	Constraint that specifies the connection.

References com.mxgraph.mxCellState.Cell, com.mxgraph.mxGraph.GetCellGeometry(), com.mxgraph.mxGraph.GetConnectionPoint(), com.mxgraph.mxGeometry.GetTerminalPoint(), com.mxgraph.mxCellState.Origin, com.mxgraph.mxCellState.SetAbsoluteTerminalPoint(), com.mxgraph.mxPoint.X, and com.mxgraph.mxPoint.Y.

◆ UpdateFixedTerminalPoints()

void com.mxgraph.mxGraphView.UpdateFixedTerminalPoints	(	mxCellState	edge,
		mxCellState	source,
		mxCellState	target
	)

inline

Sets the initial absolute terminal points in the given state before the edge style is computed.

Parameters

edge	Cell state whose initial terminal points should be updated.
source	Cell state which represents the source terminal.
target	Cell state which represents the target terminal.

References com.mxgraph.mxGraph.GetConnectionConstraint().

◆ UpdateFloatingTerminalPoint()

void com.mxgraph.mxGraphView.UpdateFloatingTerminalPoint	(	mxCellState	edge,
		mxCellState	start,
		mxCellState	end,
		bool	source
	)

inline

Updates the absolute terminal point in the given state for the given start and end state, where start is the source if source is true.

Parameters

edge	State whose terminal point should be updated.
start	for the terminal on "this" side of the edge.
end	for the terminal on the other side of the edge.
source	Boolean indicating if start is the source terminal state.

References com.mxgraph.mxUtils.GetDouble(), com.mxgraph.mxGraph.IsOrthogonal(), com.mxgraph.mxCellState.SetAbsoluteTerminalPoint(), com.mxgraph.mxCellState.Style, com.mxgraph.mxConstants.STYLE_PERIMETER_SPACING, com.mxgraph.mxConstants.STYLE_SOURCE_PERIMETER_SPACING, and com.mxgraph.mxConstants.STYLE_TARGET_PERIMETER_SPACING.

◆ UpdateFloatingTerminalPoints()

void com.mxgraph.mxGraphView.UpdateFloatingTerminalPoints	(	mxCellState	state,
		mxCellState	source,
		mxCellState	target
	)

inline

Updates the terminal points in the given state after the edge style was computed for the edge.

Parameters

state	State whose terminal points should be updated.
source	State that represents the source terminal.
target	State that represents the target terminal.

References com.mxgraph.mxCellState.AbsolutePointCount(), and com.mxgraph.mxCellState.AbsolutePoints.

◆ UpdateLabelBounds()

void com.mxgraph.mxGraphView.UpdateLabelBounds ( mxCellState state )

inline

Updates the label bounds in the given state.

Parameters

state

References com.mxgraph.mxCellState.AbsoluteOffset, com.mxgraph.mxCellState.Cell, com.mxgraph.mxGraph.GetLabel(), com.mxgraph.mxUtils.GetLabelPaintBounds(), com.mxgraph.mxUtils.GetString(), com.mxgraph.mxIGraphModel.IsEdge(), com.mxgraph.mxCellState.LabelBounds, com.mxgraph.mxGraph.Model, com.mxgraph.mxCellState.Style, and com.mxgraph.mxConstants.STYLE_OVERFLOW.

◆ UpdatePoints()

void com.mxgraph.mxGraphView.UpdatePoints	(	mxCellState	edge,
		List< mxPoint >	points,
		mxCellState	source,
		mxCellState	target
	)

inline

Updates the absolute points in the given state using the specified array of points as the relative points.

Parameters

edge	Cell state whose absolute points should be updated.
points	Array of points that constitute the relative points.
source	Cell that represents the source terminal.
target	Cell that represents the target terminal.

References com.mxgraph.mxCellState.AbsolutePoints, and com.mxgraph.mxEdgeStyleFunction().

◆ UpdateVertexLabelOffset()

void com.mxgraph.mxGraphView.UpdateVertexLabelOffset ( mxCellState state )

inline

Updates the absoluteOffset of the given vertex cell state. This takes into account the label position styles.

Parameters

state Cell state whose absolute offset should be updated.

◆ UpdateVertexState()

void com.mxgraph.mxGraphView.UpdateVertexState	(	mxCellState	state,
		mxGeometry	geo
	)

inline

Validates the given cell state.

◆ Validate()

void com.mxgraph.mxGraphView.Validate ( )

inline

First validates all bounds and then validates all points recursively on all visible cells.

References com.mxgraph.mxGraph.Model, and com.mxgraph.mxIGraphModel.Root.

◆ ValidateCell() [1/2]

Object com.mxgraph.mxGraphView.ValidateCell ( Object cell )

inline

Shortcut to validateCell with visible set to true.

Referenced by com.mxgraph.mxCellRenderer.DrawCells().

◆ ValidateCell() [2/2]

Object com.mxgraph.mxGraphView.ValidateCell	(	Object	cell,
		Boolean	visible
	)

inline

Recursively creates the cell state for the given cell if visible is true and the given cell is visible. If the cell is not visible but the state exists then it is removed using removeState.

Parameters

cell	Cell whose cell state should be created.
visible	Boolean indicating if the cell should be visible.

References com.mxgraph.mxIGraphModel.GetChildAt(), com.mxgraph.mxIGraphModel.GetChildCount(), com.mxgraph.mxGraph.IsCellCollapsed(), com.mxgraph.mxGraph.IsCellVisible(), and com.mxgraph.mxGraph.Model.

◆ ValidateCellState() [1/2]

mxCellState com.mxgraph.mxGraphView.ValidateCellState ( Object cell )

inline

Shortcut to validateCellState with recurse set to true.

Referenced by com.mxgraph.mxCellRenderer.DrawCells().

◆ ValidateCellState() [2/2]

mxCellState com.mxgraph.mxGraphView.ValidateCellState	(	Object	cell,
		Boolean	recurse
	)

inline

Validates the cell state for the given cell.

Parameters

cell	Cell whose cell state should be validated.
recurse	Boolean indicating if the children of the cell should be validated.

Returns

References com.mxgraph.mxIGraphModel.GetChildAt(), com.mxgraph.mxIGraphModel.GetChildCount(), com.mxgraph.mxIGraphModel.GetParent(), com.mxgraph.mxCellState.Invalid, com.mxgraph.mxIGraphModel.IsEdge(), com.mxgraph.mxIGraphModel.IsVertex(), and com.mxgraph.mxGraph.Model.

Member Data Documentation

◆ eventsEnabled

bool com.mxgraph.mxGraphView.eventsEnabled = true

protected

Specifies if the view should be revalidated if the scale or translation changes.

◆ graph

mxGraph com.mxgraph.mxGraphView.graph

protected

Reference to the enclosing graph.

◆ graphBounds

mxRectangle com.mxgraph.mxGraphView.graphBounds = new mxRectangle()

protected

Caches the current bounds of the graph.

◆ scale

double com.mxgraph.mxGraphView.scale = 1

protected

Specifies the scale. Default is 1 (100%).

◆ states

Dictionary<Object, mxCellState> com.mxgraph.mxGraphView.states = new Dictionary<Object, mxCellState>()

protected

Maps from cells to cell states.

◆ translate

mxPoint com.mxgraph.mxGraphView.translate = new mxPoint(0, 0)

protected

Point that specifies the current translation. Default is a new empty point.

Property Documentation

◆ Graph

mxGraph com.mxgraph.mxGraphView.Graph

get

Returns the enclosing graph.

◆ GraphBounds

mxRectangle com.mxgraph.mxGraphView.GraphBounds

getset

Returns the cached diagram bounds.

Referenced by com.mxgraph.mxGraph.GetGraphBounds().

◆ IsEventsEnabled

bool com.mxgraph.mxGraphView.IsEventsEnabled

getset

Sets or returns the current scale.

Referenced by com.mxgraph.mxCellRenderer.DrawCells().

◆ Scale

double com.mxgraph.mxGraphView.Scale

getset

Sets or returns the current scale.

Referenced by com.mxgraph.mxCellRenderer.DrawCells(), com.mxgraph.mxStencil.DrawShape(), com.mxgraph.mxGraph.HitsSwimlaneContent(), and com.mxgraph.mxStencil.PaintShape().

◆ States

Dictionary<Object, mxCellState> com.mxgraph.mxGraphView.States

getset

Sets or returns the current translation.

Referenced by com.mxgraph.mxCellRenderer.DrawCells().

◆ Translate

mxPoint com.mxgraph.mxGraphView.Translate

getset

Sets or returns the current translation.

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

src/view/mxGraphView.cs

Public Member Functions

Protected Attributes

Properties

Detailed Description

Constructor & Destructor Documentation

◆ mxGraphView()

Member Function Documentation

◆ CreateState()

◆ GetBoundingBox() [1/3]

◆ GetBoundingBox() [2/3]

◆ GetBoundingBox() [3/3]

◆ GetBounds() [1/2]

◆ GetBounds() [2/2]

◆ GetCellStates()

◆ GetEdgeStyle()

◆ GetNextPoint()

◆ GetPerimeterBounds()

◆ GetPerimeterFunction()

◆ GetPerimeterPoint() [1/2]

◆ GetPerimeterPoint() [2/2]

◆ GetPoint() [1/2]

◆ GetPoint() [2/2]

◆ GetRoutingCenterX()

◆ GetRoutingCenterY()

◆ GetState() [1/2]

◆ GetState() [2/2]

◆ GetStates()

◆ GetTerminalPort()

◆ GetVisibleTerminal()

◆ Invalidate()

◆ RemoveState() [1/2]

◆ RemoveState() [2/2]

◆ Revalidate()

◆ TransformControlPoint()

◆ UpdateBoundingBox()

◆ UpdateCellState()

◆ UpdateEdgeBounds()

◆ UpdateEdgeState()

◆ UpdateFixedTerminalPoint()

◆ UpdateFixedTerminalPoints()

◆ UpdateFloatingTerminalPoint()

◆ UpdateFloatingTerminalPoints()

◆ UpdateLabelBounds()

◆ UpdatePoints()

◆ UpdateVertexLabelOffset()

◆ UpdateVertexState()

◆ Validate()

◆ ValidateCell() [1/2]

◆ ValidateCell() [2/2]

◆ ValidateCellState() [1/2]

◆ ValidateCellState() [2/2]

Member Data Documentation

◆ eventsEnabled

◆ graph

◆ graphBounds

◆ scale

◆ states

◆ translate

Property Documentation

◆ Graph

◆ GraphBounds

◆ IsEventsEnabled

◆ Scale

◆ States

◆ Translate