org.openbp.cockpit.modeler.figures.process
Class ProcessVariableConnection

java.lang.Object
  CH.ifa.draw.standard.AbstractFigure
      org.openbp.cockpit.modeler.figures.process.ProcessVariableConnection

All Implemented Interfaces:

CH.ifa.draw.framework.Figure, CH.ifa.draw.util.Storable, java.io.Serializable, java.lang.Cloneable, UpdatableFigure, ProcessElementContainer, VisualElement, InteractionClient

public class ProcessVariableConnection
extends CH.ifa.draw.standard.AbstractFigure
implements ProcessElementContainer

Graphical represention of a datalink between a node parameter and a process variable. Note that this figure is not really a connection but a symbol that is to be displayed as part a ParamFigure

Author:

Stephan Moritz

See Also:

Serialized Form

Field Summary

static int

ARROW_SIZE Length of the connection arrow

Fields inherited from interface org.openbp.cockpit.modeler.figures.VisualElement

VISUAL_DISPLAY_ALL, VISUAL_DND_PARTICIPANT, VISUAL_VISIBLE

Fields inherited from interface CH.ifa.draw.framework.Figure

POPUP_MENU

Constructor Summary

ProcessVariableConnection(DataLink link, ParamFigure paramFigure)
Constructor.

Method Summary

void	basicDisplayBox(java.awt.Point start, java.awt.Point end)
protected void	basicMoveBy(int dx, int dy)
boolean	canConnect()
java.awt.Rectangle	displayBox()
void	dragActionTriggered(java.lang.Object regionId, java.awt.Point p) Called to signal additional actions, such as hovering for a certain time over the region.
void	dragEnded(java.awt.datatransfer.Transferable transferable) called when a dragging has ended.
void	dragStarted(java.awt.datatransfer.Transferable transferable) Called when a dragging has been started.
void	draw(java.awt.Graphics g) Draws the connection.
java.util.List	getAllDropRegions(java.util.List flavors, java.awt.datatransfer.Transferable data, java.awt.event.MouseEvent mouseEvent) Returns a list of all regions of this client AND possible sub clients.
java.util.List	getAllImportersAt(java.awt.Point p) Returns all importers which will be accepted at the given point by this client or one of its sub clients.
DataLink	getDataLink() Gets the the data link that this figure represents.
ProcessDrawing	getDrawing() Gets the drawing the element is a part of.
java.util.List	getDropRegions(java.util.List flavors, java.awt.datatransfer.Transferable data, java.awt.event.MouseEvent mouseEvent) Returns a list of drop regions of this client that are compatible with the provided data flavors.
java.util.List	getImportersAt(java.awt.Point p) Returns all importers which will be accepted at the given point by this client.
VisualElement	getParentElement() Gets parent element of this element, if any.
CH.ifa.draw.framework.Figure	getPresentationFigure() Gets the presentation figure of this element.
ProcessObject	getProcessElement() Returns the contained process element.
ProcessObject	getReferredProcessElement() Returns the process element this figure refers to.
java.util.List	getSubClients() Returns subordinate clients of this client.
boolean	handleEvent(VisualElementEvent event) Handler method that is called for handling events.
java.util.Vector	handles()
boolean	importData(java.lang.Object regionId, java.awt.datatransfer.Transferable data, java.awt.Point p) Imports the given transferable into the given region.
boolean	isVisible() Gets the flag if the element is currently visible.
void	release()
CH.ifa.draw.framework.Figure	selectionOnDelete() No object should be selected on deletion.
void	setDrawing(ProcessDrawing drawing) Sets the drawing the element is a part of.
void	setVisible(boolean visible) Sets the flag if the element is currently visible.
java.lang.String	toString() Returns a string representation of this object.
void	updateFigure() Synchronizes this figure with its provider, i\.e\. the object that is represented by the figure.
void	updatePresentationFigure() Updates (reinitializes) the presentation figure.

Methods inherited from class CH.ifa.draw.standard.AbstractFigure

addFigureChangeListener, addToContainer, center, changed, clone, connectedTextLocator, connectionInsets, connectorAt, connectorVisibility, containsPoint, decompose, displayBox, displayBox, figures, findFigureInside, getAttribute, getZValue, includes, invalidate, isEmpty, listener, moveBy, read, removeFigureChangeListener, removeFromContainer, setAttribute, setZValue, size, willChange, write

Methods inherited from class java.lang.Object

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

Methods inherited from interface CH.ifa.draw.framework.Figure

addFigureChangeListener, addToContainer, center, changed, clone, connectedTextLocator, connectionInsets, connectorAt, connectorVisibility, containsPoint, decompose, displayBox, displayBox, figures, findFigureInside, getAttribute, getZValue, includes, invalidate, isEmpty, listener, moveBy, removeFigureChangeListener, removeFromContainer, setAttribute, setZValue, size, willChange

Methods inherited from interface CH.ifa.draw.util.Storable

read, write

Field Detail

ARROW_SIZE

public static final int ARROW_SIZE

Length of the connection arrow

See Also:

Constant Field Values

Constructor Detail

ProcessVariableConnection

public ProcessVariableConnection(DataLink link,
                                 ParamFigure paramFigure)

Constructor.

Parameters:

link - Link represented by this figure

paramFigure - Source parameter figure of the global link

Method Detail

getDataLink

public DataLink getDataLink()

Gets the the data link that this figure represents.

toString

public java.lang.String toString()

Returns a string representation of this object.

Overrides:

toString in class java.lang.Object

basicMoveBy

protected void basicMoveBy(int dx,
                           int dy)

Specified by:

basicMoveBy in class CH.ifa.draw.standard.AbstractFigure

basicDisplayBox

public void basicDisplayBox(java.awt.Point start,
                            java.awt.Point end)

Specified by:

basicDisplayBox in interface CH.ifa.draw.framework.Figure

Specified by:

basicDisplayBox in class CH.ifa.draw.standard.AbstractFigure

displayBox

public java.awt.Rectangle displayBox()

Specified by:

displayBox in interface CH.ifa.draw.framework.Figure

Specified by:

displayBox in class CH.ifa.draw.standard.AbstractFigure

handles

public java.util.Vector handles()

Specified by:

handles in interface CH.ifa.draw.framework.Figure

Specified by:

handles in class CH.ifa.draw.standard.AbstractFigure

draw

public void draw(java.awt.Graphics g)

Draws the connection. If the decoration manager reports stroke and frame decorations for this figure, overlays the figure with a rectangle.

Specified by:

draw in interface CH.ifa.draw.framework.Figure

Specified by:

draw in class CH.ifa.draw.standard.AbstractFigure

canConnect

public boolean canConnect()

Specified by:

canConnect in interface CH.ifa.draw.framework.Figure

Overrides:

canConnect in class CH.ifa.draw.standard.AbstractFigure

release

public void release()

Specified by:

release in interface CH.ifa.draw.framework.Figure

Overrides:

release in class CH.ifa.draw.standard.AbstractFigure

getProcessElement

public ProcessObject getProcessElement()

Description copied from interface: ProcessElementContainer

Returns the contained process element.

Specified by:

getProcessElement in interface ProcessElementContainer

getReferredProcessElement

public ProcessObject getReferredProcessElement()

Description copied from interface: ProcessElementContainer

Returns the process element this figure refers to. The returned element will be used for property browser and tool tip display. This is usually the same as returned by ProcessElementContainer.getProcessElement(), however this might be different also for example for sockets of initial/final nodes sockets, which will return their parent node.

Specified by:

getReferredProcessElement in interface ProcessElementContainer

selectionOnDelete

public CH.ifa.draw.framework.Figure selectionOnDelete()

No object should be selected on deletion.

Specified by:

selectionOnDelete in interface ProcessElementContainer

Returns:

Next figure to be selected or null

setDrawing

public void setDrawing(ProcessDrawing drawing)

Description copied from interface: VisualElement

Sets the drawing the element is a part of.

Specified by:

setDrawing in interface VisualElement

getDrawing

public ProcessDrawing getDrawing()

Description copied from interface: VisualElement

Gets the drawing the element is a part of.

Specified by:

getDrawing in interface VisualElement

getParentElement

public VisualElement getParentElement()

Description copied from interface: VisualElement

Gets parent element of this element, if any.

Specified by:

getParentElement in interface VisualElement

getPresentationFigure

public CH.ifa.draw.framework.Figure getPresentationFigure()

Description copied from interface: VisualElement

Gets the presentation figure of this element.

Specified by:

getPresentationFigure in interface VisualElement

Returns:

The presentation figure
Note that this can be the visual element itself if it does not have a separate presentation figure

updatePresentationFigure

public void updatePresentationFigure()

Description copied from interface: VisualElement

Updates (reinitializes) the presentation figure.

Specified by:

updatePresentationFigure in interface VisualElement

isVisible

public boolean isVisible()

Description copied from interface: VisualElement

Gets the flag if the element is currently visible.

Specified by:

isVisible in interface VisualElement

setVisible

public void setVisible(boolean visible)

Description copied from interface: VisualElement

Sets the flag if the element is currently visible.

Specified by:

setVisible in interface VisualElement

handleEvent

public boolean handleEvent(VisualElementEvent event)

Description copied from interface: VisualElement

Handler method that is called for handling events. Events can be cursor events, selection events etc.

Specified by:

handleEvent in interface VisualElement

Parameters:

event - Event that desribes the event

Returns:

true: The event was handled by the element.
false: No special handling, perform the default handling.

getDropRegions

public java.util.List getDropRegions(java.util.List flavors,
                                     java.awt.datatransfer.Transferable data,
                                     java.awt.event.MouseEvent mouseEvent)

Description copied from interface: InteractionClient

Returns a list of drop regions of this client that are compatible with the provided data flavors.

Specified by:

getDropRegions in interface InteractionClient

Parameters:

flavors - List of data flavors to check

data - Transferable to be imported

mouseEvent - Mouse event that initiated the drag action

Returns:

A list of DragAwareRegion object or null if the drop client cannot satisfy at least one of the supplied data flavors.
The list will contain only regions that belong directly to this drop client.

getImportersAt

public java.util.List getImportersAt(java.awt.Point p)

Description copied from interface: InteractionClient

Returns all importers which will be accepted at the given point by this client.

Specified by:

getImportersAt in interface InteractionClient

Parameters:

p - Current mouse position in screen coordinates

Returns:

A list of Importer objects or null

getAllImportersAt

public java.util.List getAllImportersAt(java.awt.Point p)

Description copied from interface: InteractionClient

Returns all importers which will be accepted at the given point by this client or one of its sub clients.

Specified by:

getAllImportersAt in interface InteractionClient

Parameters:

p - Current mouse position in screen coordinates

Returns:

A list of Importer objects or null

getAllDropRegions

public java.util.List getAllDropRegions(java.util.List flavors,
                                        java.awt.datatransfer.Transferable data,
                                        java.awt.event.MouseEvent mouseEvent)

Description copied from interface: InteractionClient

Returns a list of all regions of this client AND possible sub clients.

Specified by:

getAllDropRegions in interface InteractionClient

Parameters:

flavors - List of data flavors to check

data - Transferable to import

mouseEvent - Mouse event that initiated the drag action

Returns:

A list of DragAwareRegion object or null if the drop client or one of its sub clients cannot satisfy at least one of the supplied data flavors

importData

public boolean importData(java.lang.Object regionId,
                          java.awt.datatransfer.Transferable data,
                          java.awt.Point p)

Description copied from interface: InteractionClient

Imports the given transferable into the given region.

Specified by:

importData in interface InteractionClient

Parameters:

regionId - Id of the region to import into (see BasicDropRegion.getId)

data - Transferable to import

p - Drop point in glass coordinates

Returns:

true The data was successfully imported.
false An error occured while importing the data.

dragStarted

public void dragStarted(java.awt.datatransfer.Transferable transferable)

Description copied from interface: InteractionClient

Called when a dragging has been started.

Specified by:

dragStarted in interface InteractionClient

Parameters:

transferable - Transferable to be dragged

dragEnded

public void dragEnded(java.awt.datatransfer.Transferable transferable)

Description copied from interface: InteractionClient

called when a dragging has ended.

Specified by:

dragEnded in interface InteractionClient

Parameters:

transferable - Transferable that has been dragged

dragActionTriggered

public void dragActionTriggered(java.lang.Object regionId,
                                java.awt.Point p)

Description copied from interface: InteractionClient

Called to signal additional actions, such as hovering for a certain time over the region.

Specified by:

dragActionTriggered in interface InteractionClient

Parameters:

regionId - Id of the region to import into (see BasicDropRegion.getId)

p - Current mouse position in screen coordinates

getSubClients

public java.util.List getSubClients()

Description copied from interface: InteractionClient

Returns subordinate clients of this client.

Specified by:

getSubClients in interface InteractionClient

Returns:

A list of InteractionClient objects or null if this drop client doesn't have sub drop clients

updateFigure

public void updateFigure()

Description copied from interface: UpdatableFigure

Synchronizes this figure with its provider, i\.e\. the object that is represented by the figure. Updates the figure according to the current properties of the provider.

Specified by:

updateFigure in interface UpdatableFigure