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

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

All Implemented Interfaces:

CH.ifa.draw.framework.Figure, CH.ifa.draw.framework.FigureChangeListener, CH.ifa.draw.standard.TextHolder, CH.ifa.draw.util.Storable, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, Expandable, ShadowDropper, UpdatableFigure, ProcessElementContainer, VisualElement, InteractionClient

Direct Known Subclasses:

FinalNodeFigure, InitialNodeFigure, MultiSocketNodeFigure

public abstract class NodeFigure
extends CH.ifa.draw.standard.CompositeFigure
implements CH.ifa.draw.framework.FigureChangeListener, ShadowDropper, Expandable, ProcessElementContainer, CH.ifa.draw.standard.TextHolder

A Node Figure is the graphical representation of a process node.

Author:

Stephan Moritz

See Also:

Serialized Form

Field Summary

protected java.awt.Rectangle	displayBox Since calculating the displayBox can be rather expensive, we store it here
protected CH.ifa.draw.framework.Figure	iconFigure Icon of the node
protected CH.ifa.draw.framework.Figure	iconOverlayFigure Overlay icon of the node
protected Node	node Node that this figure represents
protected XFigure	presentationFigure Graphical Representation of the node itself (e\.g\. a circle)
static java.lang.String	REGION_TYPE Region id: Data type
static int	ROTATE_CCW Flag for changeOrientation(int): Rotate counterclockwise
static int	ROTATE_CW Flag for changeOrientation(int): Rotate clockwise
protected XFigure	shadowFigure Figure representing the shadow of this node

Fields inherited from class CH.ifa.draw.standard.CompositeFigure

_nHighestZ, _nLowestZ, fFigures

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

NodeFigure()
Constructor.

Method Summary

boolean	acceptsTyping()
SocketFigure	addSocket(NodeSocket socket) Adds a figure for the given socket to the node figure.
void	basicDisplayBox(java.awt.Point newOrigin, java.awt.Point newCorner) Sets the position and size of the presentationFigure of this NodeFigure.
protected void	basicMoveBy(int dx, int dy)
java.awt.Point	center() Returns the center of the presentation Figure.
void	changed()
void	changeOrientation(int mode) Rotates the orientation of the node by 90 degree.
java.lang.Object	clone() Creates a clone of this object.
java.awt.Rectangle	compactDisplayBox() Returns the display box of this node without the sockets (i\.e\. the the display box of the presentation figure).
void	connect(CH.ifa.draw.framework.Figure connectedFigure)
void	connect(Node node, ProcessDrawing drawing) Connects the figure to a process object.
CH.ifa.draw.framework.Connector	connectorAt(int x, int y)
boolean	containsPoint(int x, int y)
protected ViewDropRegion	createNodeDropRegion(java.lang.String regionId, java.util.List flavors) Creates a drop region for this node.
void	decodeGeometry() Decodes enclosed geometry information by breaking it into single parameters and handing them to decodeParameter ().
protected void	decodeParameter(java.lang.String parameter)
protected javax.swing.Icon	determineCenterIcon() Initializes the icon in the center of the node.
protected javax.swing.Icon	determineCustomIcon()
protected java.lang.String	determineCustomIconPath()
void	disconnect(CH.ifa.draw.framework.Figure disconnectFigure)
java.awt.Rectangle	displayBox() The display box of this node figure consists of the display boxes of the presentation figure and all tags.
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)
protected void	drawSelectionMarker(java.awt.Graphics g)
void	encodeGeometry()
CH.ifa.draw.framework.Figure	findFigure(int x, int y)
CH.ifa.draw.framework.Figure	findFigureInside(int x, int y)
void	flipOrientation() Mirrors all tags at the vertical axis.
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.
SocketFigure	getConnectableSocket(boolean isEntry) Returns the a socket figure of this node we can connect to
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.awt.Color	getFillColor()
java.awt.Font	getFont()
java.util.List	getImportersAt(java.awt.Point p) Returns all importers which will be accepted at the given point by this client.
Node	getNode()
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.
CH.ifa.draw.framework.Figure	getShadow() Returns the shadow figure of this object.
SocketFigure	getSocket(NodeSocket socket) Returns the socket figure for a given node socket.
java.util.List	getSubClients() Returns subordinate clients of this client.
java.lang.String	getText()
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.
protected void	initialize() Initializes the NodeFigure by calling various init-functions.
protected void	initIcon() Initializes the icons of the figure.
protected void	initPresentationFigure() Initializes the presentation figure and its shadow.
protected void	initShadow() Creates the shadow figure of this tag figure.
protected void	initSockets() Sets up the sockets of the node.
protected void	initTextFigure(java.lang.String textPosition) Sets up the name tag of this node.
boolean	isCreatedFromScratch() Gets the flag that denotes that this figure has been created by the user using the toolbox and is not based on an item.
protected boolean	isPresentationFigureVisible() Checks if the presentation figure of the process figure should be drawn.
boolean	isVerticallyOriented() Checks if the node figure is vertically or horizontally oriented.
boolean	isVisible() Gets the flag if the element is currently visible.
protected void	layoutSockets(java.util.List socketsToLayout, java.lang.String orientation) Layouts sockets.
protected void	layoutUnarrangedSockets() Layouts any unarranged sockets.
int	overlayColumns()
java.awt.Rectangle	placeAdjacent(java.awt.Rectangle rect, double angle) Places the given rectangle so that its center is in the given direction and it exactly touches the node, without crossing any lines.
protected void	positionOverlayFigure(java.awt.Rectangle box, java.awt.Rectangle iconRect, java.awt.Rectangle textRect) Positions the overlay figure, if any, according to the positions of the display box, the figure icon and the figure text.
void	release()
protected void	removeConnections() Removes all connections from/to this figure.
CH.ifa.draw.framework.Figure	selectionOnDelete() No object should be selected on deletion.
void	setCreatedFromScratch(boolean createdFromScratch) Sets the flag that denotes that this figure has been created by the user using the toolbox and is not based on an item.
void	setDrawing(ProcessDrawing drawing) Sets the drawing the element is a part of.
void	setFillColor(java.awt.Color color)
void	setIconFigure(CH.ifa.draw.framework.Figure iconFigure)
void	setIconOverlayFigure(CH.ifa.draw.framework.Figure iconOverlayFigure)
void	setSize(int w, int h)
void	setText(java.lang.String newText)
void	setVisible(boolean visible) Sets the flag if the element is currently visible.
java.awt.Rectangle	textDisplayBox()
java.lang.String	toString() Returns a string representation of this object.
void	translateChildren(int dx, int dy)
void	updateFigure() In addition to synchronization all children, synchronizes the presentation figure if applicable.
void	updatePresentationFigure() Updates (reinitializes) the presentation figure.

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

add, addAll, addAll, bringToFront, draw, figureAt, figureChanged, figureCount, figureInvalidated, figureRemoved, figureRequestRemove, figureRequestUpdate, figures, figures, figuresReverse, findFigure, findFigure, findFigureInsideWithout, findFigureWithout, getFigureFromLayer, getLayer, includes, init, orphan, orphanAll, orphanAll, read, remove, removeAll, removeAll, removeAll, replace, sendToBack, sendToLayer, write

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

addFigureChangeListener, addToContainer, canConnect, connectedTextLocator, connectionInsets, connectorVisibility, decompose, displayBox, displayBox, getAttribute, getZValue, invalidate, isEmpty, listener, moveBy, removeFigureChangeListener, removeFromContainer, setAttribute, setZValue, size, willChange

Methods inherited from class java.lang.Object

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

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

figureChanged, figureInvalidated, figureRemoved, figureRequestRemove, figureRequestUpdate

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

addFigureChangeListener, addToContainer, canConnect, connectedTextLocator, connectionInsets, connectorVisibility, decompose, displayBox, displayBox, figures, 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

ROTATE_CW

public static final int ROTATE_CW

Flag for changeOrientation(int): Rotate clockwise

See Also:

Constant Field Values

ROTATE_CCW

public static final int ROTATE_CCW

Flag for changeOrientation(int): Rotate counterclockwise

See Also:

Constant Field Values

REGION_TYPE

public static final java.lang.String REGION_TYPE

Region id: Data type

See Also:

Constant Field Values

node

protected Node node

Node that this figure represents

presentationFigure

protected XFigure presentationFigure

Graphical Representation of the node itself (e\.g\. a circle)

iconFigure

protected CH.ifa.draw.framework.Figure iconFigure

Icon of the node

iconOverlayFigure

protected CH.ifa.draw.framework.Figure iconOverlayFigure

Overlay icon of the node

shadowFigure

protected XFigure shadowFigure

Figure representing the shadow of this node

displayBox

protected java.awt.Rectangle displayBox

Since calculating the displayBox can be rather expensive, we store it here

Constructor Detail

NodeFigure

public NodeFigure()

Constructor.

Method Detail

clone

public java.lang.Object clone()

Creates a clone of this object.

Specified by:

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

Overrides:

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

connect

public void connect(Node node,
                    ProcessDrawing drawing)

Connects the figure to a process object.

Parameters:

node - Node to refer to

drawing - Process drawing that owns the figure

toString

public java.lang.String toString()

Returns a string representation of this object.

Overrides:

toString in class java.lang.Object

initialize

protected void initialize()

Initializes the NodeFigure by calling various init-functions. if you overwrite this, be sure to call super.initialize (). Generally it makes more sense to overwrite the sub-init functions.

initPresentationFigure

protected void initPresentationFigure()

Initializes the presentation figure and its shadow.

initTextFigure

protected void initTextFigure(java.lang.String textPosition)

Sets up the name tag of this node. Standard implementation is a QuarterTag with the displayText of the node.

Parameters:

textPosition - Text position ("c"/"s"/"n"/"e"/"w")

initIcon

protected void initIcon()

Initializes the icons of the figure.

determineCustomIcon

protected javax.swing.Icon determineCustomIcon()

determineCustomIconPath

protected java.lang.String determineCustomIconPath()

determineCenterIcon

protected javax.swing.Icon determineCenterIcon()

Initializes the icon in the center of the node.

initSockets

protected void initSockets()

Sets up the sockets of the node. Standard implementation is an EntrySocketTag per EntrySocket and an ExitSocketTag per ExitSocket. You should not need to overwrite this.

initShadow

protected void initShadow()

Creates the shadow figure of this tag figure.

addSocket

public SocketFigure addSocket(NodeSocket socket)

Adds a figure for the given socket to the node figure.

Parameters:

socket - Socket to add

Returns:

The new socket figure

layoutUnarrangedSockets

protected void layoutUnarrangedSockets()

Layouts any unarranged sockets. Arranges all sockets evenly on their respective side.

layoutSockets

protected void layoutSockets(java.util.List socketsToLayout,
                             java.lang.String orientation)

Layouts sockets.

Parameters:

socketsToLayout - List of sockets to layout (contains SocketFigure objects)

orientation - Orientation of the sockets ("e"/"n"/"w"/"s")

isVerticallyOriented

public boolean isVerticallyOriented()

Checks if the node figure is vertically or horizontally oriented.

Returns:

true: The node's orientation is top-down.
false: The node's orientation is left-right.

flipOrientation

public void flipOrientation()

Mirrors all tags at the vertical axis. (I.e. swaps left and right).

changeOrientation

public void changeOrientation(int mode)

Rotates the orientation of the node by 90 degree.

Parameters:

mode - Rotation mode (ROTATE_CW/ROTATE_CCW)

getNode

public Node getNode()

getSocket

public SocketFigure getSocket(NodeSocket socket)

Returns the socket figure for a given node socket.

Parameters:

socket - Socket to search

Returns:

The socket figure or null if not found

getConnectableSocket

public SocketFigure getConnectableSocket(boolean isEntry)

Returns the a socket figure of this node we can connect to

Parameters:

isEntry - true: Get an entry socket
false: Get an exit socket

Returns:

The point figure or null

removeConnections

protected void removeConnections()

Removes all connections from/to this figure.

decodeGeometry

public void decodeGeometry()

Decodes enclosed geometry information by breaking it into single parameters and handing them to decodeParameter ().

decodeParameter

protected void decodeParameter(java.lang.String parameter)

encodeGeometry

public void encodeGeometry()

displayBox

public java.awt.Rectangle displayBox()

The display box of this node figure consists of the display boxes of the presentation figure and all tags.

Specified by:

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

Specified by:

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

basicDisplayBox

public void basicDisplayBox(java.awt.Point newOrigin,
                            java.awt.Point newCorner)

Sets the position and size of the presentationFigure of this NodeFigure. The origin is set to the center of the given coordinates, while the size is set to the lower of width and heigth.

Specified by:

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

Specified by:

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

basicMoveBy

protected void basicMoveBy(int dx,
                           int dy)

Overrides:

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

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)

Specified by:

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

Overrides:

draw in class CH.ifa.draw.standard.CompositeFigure

isPresentationFigureVisible

protected boolean isPresentationFigureVisible()

Checks if the presentation figure of the process figure should be drawn.

drawSelectionMarker

protected void drawSelectionMarker(java.awt.Graphics g)

changed

public void changed()

Specified by:

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

Overrides:

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

connectorAt

public CH.ifa.draw.framework.Connector connectorAt(int x,
                                                   int y)

Specified by:

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

Overrides:

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

placeAdjacent

public java.awt.Rectangle placeAdjacent(java.awt.Rectangle rect,
                                        double angle)

Places the given rectangle so that its center is in the given direction and it exactly touches the node, without crossing any lines.

Parameters:

rect - The rectangle to adjust

angle - The direction in which the rectangle should be placed

Returns:

The translated rectangle

containsPoint

public boolean containsPoint(int x,
                             int y)

Specified by:

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

Overrides:

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

findFigure

public CH.ifa.draw.framework.Figure findFigure(int x,
                                               int y)

Overrides:

findFigure in class CH.ifa.draw.standard.CompositeFigure

findFigureInside

public CH.ifa.draw.framework.Figure findFigureInside(int x,
                                                     int y)

Specified by:

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

Overrides:

findFigureInside in class CH.ifa.draw.standard.CompositeFigure

center

public java.awt.Point center()

Returns the center of the presentation Figure.

Specified by:

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

Overrides:

center 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.CompositeFigure

translateChildren

public void translateChildren(int dx,
                              int dy)

setIconFigure

public void setIconFigure(CH.ifa.draw.framework.Figure iconFigure)

setIconOverlayFigure

public void setIconOverlayFigure(CH.ifa.draw.framework.Figure iconOverlayFigure)

getShadow

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

Description copied from interface: ShadowDropper

Returns the shadow figure of this object.

Specified by:

getShadow in interface ShadowDropper

Returns:

The shadow figure or null if this object does not have a shadow

setSize

public void setSize(int w,
                    int h)

positionOverlayFigure

protected void positionOverlayFigure(java.awt.Rectangle box,
                                     java.awt.Rectangle iconRect,
                                     java.awt.Rectangle textRect)

Positions the overlay figure, if any, according to the positions of the display box, the figure icon and the figure text.

Parameters:

box - Display box of the node figure

iconRect - Icon rect

textRect - Text rect

compactDisplayBox

public java.awt.Rectangle compactDisplayBox()

Returns the display box of this node without the sockets (i\.e\. the the display box of the presentation figure).

Specified by:

compactDisplayBox in interface Expandable

setFillColor

public void setFillColor(java.awt.Color color)

getFillColor

public java.awt.Color getFillColor()

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

textDisplayBox

public java.awt.Rectangle textDisplayBox()

Specified by:

textDisplayBox in interface CH.ifa.draw.standard.TextHolder

getText

public java.lang.String getText()

Specified by:

getText in interface CH.ifa.draw.standard.TextHolder

setText

public void setText(java.lang.String newText)

Specified by:

setText in interface CH.ifa.draw.standard.TextHolder

acceptsTyping

public boolean acceptsTyping()

Specified by:

acceptsTyping in interface CH.ifa.draw.standard.TextHolder

overlayColumns

public int overlayColumns()

Specified by:

overlayColumns in interface CH.ifa.draw.standard.TextHolder

connect

public void connect(CH.ifa.draw.framework.Figure connectedFigure)

Specified by:

connect in interface CH.ifa.draw.standard.TextHolder

disconnect

public void disconnect(CH.ifa.draw.framework.Figure disconnectFigure)

Specified by:

disconnect in interface CH.ifa.draw.standard.TextHolder

getFont

public java.awt.Font getFont()

Specified by:

getFont in interface CH.ifa.draw.standard.TextHolder

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

isCreatedFromScratch

public boolean isCreatedFromScratch()

Gets the flag that denotes that this figure has been created by the user using the toolbox and is not based on an item.

setCreatedFromScratch

public void setCreatedFromScratch(boolean createdFromScratch)

Sets the flag that denotes that this figure has been created by the user using the toolbox and is not based on an item.

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.

updateFigure

public void updateFigure()

In addition to synchronization all children, synchronizes the presentation figure if applicable.

Specified by:

updateFigure in interface UpdatableFigure

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

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

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

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

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

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.

createNodeDropRegion

protected ViewDropRegion createNodeDropRegion(java.lang.String regionId,
                                              java.util.List flavors)

Creates a drop region for this node.

Parameters:

regionId - Region id

flavors - Supported data flavors

Returns:

The new region