org.drools.eclipse.editors.rete.model
Class GraphicalVertex

java.lang.Object
  org.drools.eclipse.editors.rete.model.ModelElement
      org.drools.eclipse.editors.rete.model.GraphicalVertex

Direct Known Subclasses:

BaseVertex

public abstract class GraphicalVertex
extends ModelElement

Visual vertex representation for ReteGraph. Base impl for all rete vertices. Can be connected with another BaseVertex with a Connector.

Field Summary

static String	LOCATION_PROP Property ID to use when the location of this shape is modified.
static String	SIZE_PROP Property ID to use then the size of this shape is modified.
static String	SOURCE_CONNECTIONS_PROP Property ID to use when the list of outgoing connections is modified.
static String	TARGET_CONNECTIONS_PROP Property ID to use when the list of incoming connections is modified.

Constructor Summary

GraphicalVertex()

Method Summary

void	addConnection(Connection conn) Add an incoming or outgoing connection to this vertex.
static String	dumpConstraints(org.drools.spi.Constraint[] constraints) Constructs constraints string
org.eclipse.swt.graphics.Color	getDrawColor() Color used for borders
abstract org.eclipse.swt.graphics.Color	getFillColor() Color used for filling vertex figure
abstract String	getHtml() HTML formatted representation of this node
org.eclipse.draw2d.geometry.Point	getLocation() Return the Location of this vertex.
org.eclipse.ui.views.properties.IPropertyDescriptor[]	getPropertyDescriptors() Returns an array of IPropertyDescriptors for this vertex.
Object	getPropertyValue(Object propertyId) Return the property value for the given propertyId, or null.
org.eclipse.draw2d.geometry.Dimension	getSize() Return the Size of this vertex.
List	getSourceConnections() Return a List of outgoing Connections.
List	getTargetConnections() Return a List of incoming Connections.
void	removeConnection(Connection conn) Remove an incoming or outgoing connection from this vertex.
void	setLocation(org.eclipse.draw2d.geometry.Point newLocation) Set the Location of this vertex.
void	setPropertyValue(Object propertyId, Object value) Set the property value for the given property id.
void	setSize(org.eclipse.draw2d.geometry.Dimension newSize) Set the Size of this vertex.
String	toString()

Methods inherited from class org.drools.eclipse.editors.rete.model.ModelElement

addPropertyChangeListener, firePropertyChange, removePropertyChangeListener

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

LOCATION_PROP

public static final String LOCATION_PROP

Property ID to use when the location of this shape is modified.

See Also:

Constant Field Values

SIZE_PROP

public static final String SIZE_PROP

Property ID to use then the size of this shape is modified.

See Also:

Constant Field Values

SOURCE_CONNECTIONS_PROP

public static final String SOURCE_CONNECTIONS_PROP

Property ID to use when the list of outgoing connections is modified.

See Also:

Constant Field Values

TARGET_CONNECTIONS_PROP

public static final String TARGET_CONNECTIONS_PROP

Property ID to use when the list of incoming connections is modified.

See Also:

Constant Field Values

Constructor Detail

GraphicalVertex

public GraphicalVertex()

Method Detail

getHtml

public abstract String getHtml()

HTML formatted representation of this node

Returns:

#getHtml

getFillColor

public abstract org.eclipse.swt.graphics.Color getFillColor()

Color used for filling vertex figure

Returns:

color

addConnection

public void addConnection(Connection conn)

Add an incoming or outgoing connection to this vertex.

Parameters:

conn - a non-null connection instance

Throws:

IllegalArgumentException - if the connection is null or has not distinct endpoints

getLocation

public org.eclipse.draw2d.geometry.Point getLocation()

Return the Location of this vertex.

Returns:

a non-null copy of location instance

getPropertyDescriptors

public org.eclipse.ui.views.properties.IPropertyDescriptor[] getPropertyDescriptors()

Returns an array of IPropertyDescriptors for this vertex.

getPropertyValue

public Object getPropertyValue(Object propertyId)

Return the property value for the given propertyId, or null.

getSize

public org.eclipse.draw2d.geometry.Dimension getSize()

Return the Size of this vertex.

Returns:

a non-null copy of Dimension instance

getSourceConnections

public List getSourceConnections()

Return a List of outgoing Connections.

getTargetConnections

public List getTargetConnections()

Return a List of incoming Connections.

removeConnection

public void removeConnection(Connection conn)

Remove an incoming or outgoing connection from this vertex.

Parameters:

conn - a non-null connection instance

Throws:

IllegalArgumentException - if the parameter is null

setLocation

public void setLocation(org.eclipse.draw2d.geometry.Point newLocation)

Set the Location of this vertex.

Parameters:

newLocation - a non-null Point instance

Throws:

IllegalArgumentException - if the parameter is null

setPropertyValue

public void setPropertyValue(Object propertyId,
                             Object value)

Set the property value for the given property id.

setSize

public void setSize(org.eclipse.draw2d.geometry.Dimension newSize)

Set the Size of this vertex. Will not update the size if newSize is null.

Parameters:

newSize - a non-null Dimension instance or null

toString

public String toString()

Overrides:

toString in class Object

getDrawColor

public org.eclipse.swt.graphics.Color getDrawColor()

Color used for borders

Returns:

draw color

dumpConstraints

public static String dumpConstraints(org.drools.spi.Constraint[] constraints)

Constructs constraints string

Parameters:

constraints - array of constraints

Returns:

html-formatted constraints representation