org.eclipse.gmf.runtime.diagram.ui.editparts
Class ConnectionEditPart

java.lang.Object
  org.eclipse.gef.editparts.AbstractEditPart
      org.eclipse.gef.editparts.AbstractGraphicalEditPart
          org.eclipse.gef.editparts.AbstractConnectionEditPart
              org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionEditPart

All Implemented Interfaces:

ConnectionEditPart, EditPart, java.util.EventListener, GraphicalEditPart, IAdaptable, org.eclipse.gmf.runtime.diagram.ui.internal.editparts.IContainedEditPart, org.eclipse.gmf.runtime.diagram.ui.internal.editparts.IEditableEditPart, IGraphicalEditPart, IPrimaryEditPart, LayerConstants, NotificationListener, java.beans.PropertyChangeListener, RequestConstants

Direct Known Subclasses:

ConnectionNodeEditPart

public abstract class ConnectionEditPart

extends AbstractConnectionEditPart

implements IGraphicalEditPart, java.beans.PropertyChangeListener, org.eclipse.gmf.runtime.diagram.ui.internal.editparts.IContainedEditPart, IPrimaryEditPart, NotificationListener

the base edit part that controls Edge views, it is the basic controller for the connection's view

Nested Class Summary

Nested classes inherited from class org.eclipse.gef.editparts.AbstractConnectionEditPart

AbstractConnectionEditPart.DefaultAccessibleAnchorProvider

Nested classes inherited from class org.eclipse.gef.editparts.AbstractGraphicalEditPart

AbstractGraphicalEditPart.AccessibleGraphicalEditPart

Nested classes inherited from class org.eclipse.gef.editparts.AbstractEditPart

AbstractEditPart.EditPolicyIterator

Field Summary

protected AccessibleEditPart	accessibleEP Used for accessibility.
protected static java.lang.String[]	appearanceProperties a static array of appearance property ids applicable to the connections

Fields inherited from class org.eclipse.gef.editparts.AbstractGraphicalEditPart

figure, sourceConnections, targetConnections

Fields inherited from class org.eclipse.gef.editparts.AbstractEditPart

children, FLAG_ACTIVE, FLAG_FOCUS, MAX_FLAG

Fields inherited from interface org.eclipse.gef.EditPart

SELECTED, SELECTED_NONE, SELECTED_PRIMARY

Fields inherited from interface org.eclipse.gef.LayerConstants

CONNECTION_LAYER, FEEDBACK_LAYER, GRID_LAYER, GUIDE_LAYER, HANDLE_LAYER, PRIMARY_LAYER, PRINTABLE_LAYERS, SCALABLE_LAYERS, SCALED_FEEDBACK_LAYER

Fields inherited from interface org.eclipse.gef.RequestConstants

REQ_ADD, REQ_ALIGN, REQ_ALIGN_CHILDREN, REQ_CLONE, REQ_CONNECTION_END, REQ_CONNECTION_START, REQ_CREATE, REQ_CREATE_BENDPOINT, REQ_DELETE, REQ_DELETE_DEPENDANT, REQ_DIRECT_EDIT, REQ_MOVE, REQ_MOVE_BENDPOINT, REQ_MOVE_CHILDREN, REQ_OPEN, REQ_ORPHAN, REQ_ORPHAN_CHILDREN, REQ_RECONNECT_SOURCE, REQ_RECONNECT_TARGET, REQ_RESIZE, REQ_RESIZE_CHILDREN, REQ_SELECTION, REQ_SELECTION_HOVER

Constructor Summary

ConnectionEditPart(View view)
construcotr

Method Summary

void	activate()
protected void	addChild(EditPart child, int index)
protected void	addListenerFilter(java.lang.String filterId, NotificationListener listener, EObject element) Adds a listener filter by adding the given listener to a passed notifier
protected void	addListenerFilter(java.lang.String filterId, NotificationListener listener, EObject element, EStructuralFeature feature) Adds a listener filter by adding the given listener to a passed notifier
protected void	addNotationalListeners() This method adds all listeners to the notational world (views, figures, editpart...etc) Override this method to add more notational listeners down the hierarchy
void	addNotify()
protected void	addSemanticListeners() This method adds all listeners to the semantic element behind this EditPart Override this method to add more semantic listeners down the hierarchy This method is called only if the semantic element is resolvable
protected EditPart	createChild(java.lang.Object model)
protected ConnectionEditPart	createConnection(java.lang.Object connectionView)
protected abstract Connection	createConnectionFigure() Method createConnectionFigure.
protected void	createDefaultEditPolicies() Should be overridden to install editpolicies programmatically.
protected void	createEditPolicies() Overridden to support editpolicies installed programmatically and via the EditPolicyService.
protected IFigure	createFigure()
void	deactivate()
void	disableEditMode() Disables edit mode of the EditPart.
void	enableEditMode() Enables edit mode of the EditPart.
void	eraseSourceFeedback(Request request)
void	eraseTargetFeedback(Request request)
protected void	executeCommand(Command command) executes the passed command
EditPart	findEditPart(EditPart epBegin, EObject theElement) Finds an editpart given a starting editpart and an EObject
protected AccessibleEditPart	getAccessibleEditPart()
java.lang.Object	getAdapter(java.lang.Class key) Adds the ability to adapt to this editpart's view class.
protected java.lang.String[]	getAppearancePropertyIDs() Returns an array of the appearance property ids applicable to the receiver.
IGraphicalEditPart	getChildBySemanticHint(java.lang.String semanticHint) Method getChildBySemanticHint.
Command	getCommand(Request _request)
IDiagramEditDomain	getDiagramEditDomain() Gets the associated DiagramEditDomain to the edit part
PreferencesHint	getDiagramPreferencesHint() Gets the preferences hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values.
protected Diagram	getDiagramView() Convenience method returning the editpart's Diagram, the Diagam that owns the edit part
DragTracker	getDragTracker(Request req)
protected Edge	getEdge() utility method to get the Edge view
protected EditDomain	getEditDomain() Convenience method returning the editpart's edit domain.
org.eclipse.emf.transaction.TransactionalEditingDomain	getEditingDomain() Derives my editing domain from my diagram element.
protected org.eclipse.gmf.runtime.draw2d.ui.mapmode.IMapMode	getMapMode()
protected java.util.List	getModelChildren() Return this editpart's view (model) children.
protected java.lang.Object	getModelSource() give access to the source of the edit part's Edge
protected java.lang.Object	getModelTarget() give access to the target of the edit part's Edge
View	getNotationView() Return the editpart's associated Notation View.
java.lang.Object	getPreferredValue(EStructuralFeature feature) Retrieves the preferred value for the supplied feature.
EditPart	getPrimaryChildEditPart() this method will return the primary child EditPart inside this edit part
View	getPrimaryView() Convenience method returns the editpart's primary view.
protected Command	getPropertyChangeCommand(java.lang.Object property, java.lang.Object oldValue, java.lang.Object newValue) gets a property change command for the passed property, using both of the old and new values
protected ResourceManager	getResourceManager() Gets the resource manager to remember the resources allocated for this graphical viewer.
java.lang.Object	getStructuralFeatureValue(EStructuralFeature feature) Convenience method to retreive the value for the supplied value from the editpart's associated view element.
TopGraphicEditPart	getTopGraphicEditPart() Walks up the editpart hierarchy to find and return the TopGraphicEditPart instance.
protected void	handleMajorSemanticChange() Handles the case where the semantic reference has changed.
protected void	handleNotificationEvent(Notification event) Handles the property changed event
protected void	handlePropertyChangeEvent(java.beans.PropertyChangeEvent event) Handles the property changed event.
protected void	installRouter() installes a router on the edit part, depending on the RoutingStyle
boolean	isCanonical() check if there is a canonical edit policy installed on the edit part or not
boolean	isEditModeEnabled() Returns true if the EditPart is editable.
boolean	isSelectable() checks if the edit part's figure is visible or not
boolean	isSemanticConnection() Answers whether or not this connection represents a part of the semantic model.
void	notifyChanged(Notification notification) Will be called when a Notification event gets sent from the DiagramEventBroker after the transaction has been closed.
protected void	performDirectEditRequest(Request request) Performs a direct edit request (usually by showing some type of editor)
void	performRequest(Request request) Perform a request by executing a command from the target editpart of the request For the Direct_Edit request, we need to show up an editor first
void	propertyChange(java.beans.PropertyChangeEvent event) Handles the passed property changed event only if the editpart's view is not deleted
void	reactivateSemanticModel() Method reactivateSemanticModel.
void	refresh()
protected void	refreshBendpoints() refresh the pendpoints owned by the EditPart's Edge
protected void	refreshFont() Refresh the editpart's figure font.
protected void	refreshForegroundColor() Refresh the editpart's figure foreground colour.
protected void	refreshJumplinks() Method refreshJumplinks.
protected void	refreshRouterChange() Method refreshRouterChange.
protected void	refreshRoutingStyles() Method refreshRoutingStyles.
protected void	refreshSmoothness() Method refreshSmoothness.
protected void	refreshVisibility() Refresh the editpart's figure visibility.
protected void	refreshVisuals()
protected void	registerModel() Adds a [ref, editpart] mapping to the EditPartForElement map.
protected void	removeListenerFilter(java.lang.String filterId) Removes a listener previously added with the given id
protected void	removeNotationalListeners() This method removes all listeners to the notational world (views, figures, editpart...etc) Override this method to remove notational listeners down the hierarchy
void	removeNotify()
protected void	removeSemanticListeners() This method removes all listeners to the semantic element behind this EditPart Override this method to remove semantic listeners down the hierarchy
EObject	resolveSemanticElement() try to resolve the semantic element and Return the resolven element; if the element is unresolvable or null it will return null
protected void	setFont(FontData fontData) Sets the font to the label.
protected void	setForegroundColor(Color color) sets the forefround color of the editpart's figure
void	setModel(java.lang.Object model) Clear the semantic connection value when the model changes.
void	setStructuralFeatureValue(EStructuralFeature feature, java.lang.Object value) Sets the passed feature if possible on this editpart's view to the passed value.
protected void	setVisibility(boolean vis) sets the edit part's visibility
void	showSourceFeedback(Request request)
void	showTargetFeedback(Request request)
boolean	understandsRequest(Request req)
protected void	unregisterModel() Remove this editpart from the EditPartForElement map.

Methods inherited from class org.eclipse.gef.editparts.AbstractConnectionEditPart

activateFigure, deactivateFigure, getConnectionFigure, getSource, getSourceConnectionAnchor, getTarget, getTargetConnectionAnchor, refreshSourceAnchor, refreshTargetAnchor, setParent, setSource, setTarget

Methods inherited from class org.eclipse.gef.editparts.AbstractGraphicalEditPart

addChildVisual, addNodeListener, addSourceConnection, addTargetConnection, createOrFindConnection, fireRemovingSourceConnection, fireRemovingTargetConnection, fireSourceConnectionAdded, fireTargetConnectionAdded, getContentPane, getFigure, getLayer, getModelSourceConnections, getModelTargetConnections, getSourceConnections, getTargetConnections, primAddSourceConnection, primAddTargetConnection, primRemoveSourceConnection, primRemoveTargetConnection, refreshSourceConnections, refreshTargetConnections, registerVisuals, removeChildVisual, removeNodeListener, removeSourceConnection, removeTargetConnection, reorderChild, reorderSourceConnection, reorderTargetConnection, setFigure, setLayoutConstraint, unregisterVisuals

Methods inherited from class org.eclipse.gef.editparts.AbstractEditPart

activateEditPolicies, addEditPartListener, deactivateEditPolicies, debug, debugFeedback, fireActivated, fireChildAdded, fireDeactivated, fireRemovingChild, fireSelectionChanged, getChildren, getEditPolicy, getEditPolicyIterator, getEventListeners, getFlag, getModel, getParent, getRoot, getSelected, getTargetEditPart, getViewer, hasFocus, installEditPolicy, isActive, refreshChildren, register, registerAccessibility, removeChild, removeEditPartListener, removeEditPolicy, setFlag, setFocus, setSelected, toString, unregister, unregisterAccessibility

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.gef.GraphicalEditPart

addNodeListener, getContentPane, getFigure, getSourceConnections, getTargetConnections, removeNodeListener, setLayoutConstraint

Methods inherited from interface org.eclipse.gef.EditPart

addEditPartListener, getChildren, getEditPolicy, getModel, getParent, getRoot, getSelected, getTargetEditPart, getViewer, hasFocus, installEditPolicy, isActive, removeEditPartListener, removeEditPolicy, setFocus, setParent, setSelected

Field Detail

accessibleEP

protected AccessibleEditPart accessibleEP

Used for accessibility.

appearanceProperties

protected static final java.lang.String[] appearanceProperties

a static array of appearance property ids applicable to the connections

Constructor Detail

ConnectionEditPart

public ConnectionEditPart(View view)

construcotr

Parameters:

view - , the view the edit part will own

Method Detail

getPropertyChangeCommand

protected Command getPropertyChangeCommand(java.lang.Object property,
                                           java.lang.Object oldValue,
                                           java.lang.Object newValue)

gets a property change command for the passed property, using both of the old and new values

Parameters:

property - the property associated with the command

oldValue - the old value associated with the command

newValue - the new value associated with the command

Returns:

a command

addChild

protected void addChild(EditPart child,
                        int index)

activate

public void activate()

Specified by:

activate in interface EditPart

addListenerFilter

protected void addListenerFilter(java.lang.String filterId,
                                 NotificationListener listener,
                                 EObject element)

Adds a listener filter by adding the given listener to a passed notifier

Parameters:

filterId - A unique filter id (within the same editpart instance)

listener - A listener instance

addListenerFilter

protected void addListenerFilter(java.lang.String filterId,
                                 NotificationListener listener,
                                 EObject element,
                                 EStructuralFeature feature)

Adds a listener filter by adding the given listener to a passed notifier

Parameters:

filterId - A unique filter id (within the same editpart instance)

listener - A listener instance

createChild

protected final EditPart createChild(java.lang.Object model)

createConnection

protected final ConnectionEditPart createConnection(java.lang.Object connectionView)

createEditPolicies

protected final void createEditPolicies()

Overridden to support editpolicies installed programmatically and via the EditPolicyService. Subclasses should override createDefaultEditPolicies().

See Also:

AbstractEditPart.createEditPolicies()

createDefaultEditPolicies

protected void createDefaultEditPolicies()

Should be overridden to install editpolicies programmatically.

See Also:

AbstractEditPart.createEditPolicies()

deactivate

public void deactivate()

Specified by:

deactivate in interface EditPart

removeNotify

public void removeNotify()

Specified by:

removeNotify in interface EditPart

executeCommand

protected void executeCommand(Command command)

executes the passed command

Parameters:

command - the command to execute

getAccessibleEditPart

protected AccessibleEditPart getAccessibleEditPart()

getAdapter

public java.lang.Object getAdapter(java.lang.Class key)

Adds the ability to adapt to this editpart's view class.

Specified by:

getAdapter in interface IAdaptable

getChildBySemanticHint

public IGraphicalEditPart getChildBySemanticHint(java.lang.String semanticHint)

Method getChildBySemanticHint.

Specified by:

getChildBySemanticHint in interface IGraphicalEditPart

Parameters:

semanticHint -

Returns:

IGraphicalEditPart

getCommand

public Command getCommand(Request _request)

Specified by:

getCommand in interface EditPart

getDiagramView

protected Diagram getDiagramView()

Convenience method returning the editpart's Diagram, the Diagam that owns the edit part

Returns:

the diagram

getPrimaryView

public View getPrimaryView()

Description copied from interface: IGraphicalEditPart

Convenience method returns the editpart's primary view.

Specified by:

getPrimaryView in interface IGraphicalEditPart

Returns:

the primary view

getEditDomain

protected EditDomain getEditDomain()

Convenience method returning the editpart's edit domain. Same as calling getRoot().getViewer().getEditDomain()

Returns:

the edit domain

getDiagramEditDomain

public IDiagramEditDomain getDiagramEditDomain()

Description copied from interface: IGraphicalEditPart

Gets the associated DiagramEditDomain to the edit part

Specified by:

getDiagramEditDomain in interface IGraphicalEditPart

Returns:

IDiagramEditDomain

getModelChildren

protected java.util.List getModelChildren()

Return this editpart's view (model) children.

Returns:

list of views.

getStructuralFeatureValue

public java.lang.Object getStructuralFeatureValue(EStructuralFeature feature)

Convenience method to retreive the value for the supplied value from the editpart's associated view element. Same as calling ViewUtil.getStructuralFeatureValue(getNotationView(),feature).

Specified by:

getStructuralFeatureValue in interface IGraphicalEditPart

Returns:

Object the value

resolveSemanticElement

public EObject resolveSemanticElement()

try to resolve the semantic element and Return the resolven element; if the element is unresolvable or null it will return null

Specified by:

resolveSemanticElement in interface IGraphicalEditPart

Returns:

non proxy EObject or NULL

getTopGraphicEditPart

public TopGraphicEditPart getTopGraphicEditPart()

Walks up the editpart hierarchy to find and return the TopGraphicEditPart instance.

Specified by:

getTopGraphicEditPart in interface IGraphicalEditPart

Returns:

TopGraphicEditPart

getNotationView

public View getNotationView()

Return the editpart's associated Notation View.

Specified by:

getNotationView in interface IGraphicalEditPart

Returns:

View, the associated view or null if there is no associated Notation View

propertyChange

public final void propertyChange(java.beans.PropertyChangeEvent event)

Handles the passed property changed event only if the editpart's view is not deleted

Specified by:

propertyChange in interface java.beans.PropertyChangeListener

handlePropertyChangeEvent

protected void handlePropertyChangeEvent(java.beans.PropertyChangeEvent event)

Handles the property changed event. Clients should override to respond to the specific notification events they are interested. Note: This method may get called on a non-UI thread. Clients should either ensure that their code is thread safe and/or doesn't make unsupported calls (i.e. Display.getCurrent() ) assuming they are on the main thread. Alternatively if this is not possible, then the client can wrap their handler within the Display.synchExec runnable to ensure synchronization and subsequent execution on the main thread.

Parameters:

event - the Notification object that is the property changed event

reactivateSemanticModel

public void reactivateSemanticModel()

Method reactivateSemanticModel. This method reactivates the edit part's emantic model by: 1- removing semantic listeners 2- adding semantic listeners if the semantic reference is resolvable 3- Refreshing it This method is called in response to IView's Properties.ID_SEMANTICREF property change event However, it will only work under the following assumptions: 1- The old and new semantic models are compatible in their kind 2- The deltas between old and new semantic models do not affect notation 3- Connections are not refereshed since they are maintained by the diagram

findEditPart

public EditPart findEditPart(EditPart epBegin,
                             EObject theElement)

Finds an editpart given a starting editpart and an EObject

Specified by:

findEditPart in interface IGraphicalEditPart

Parameters:

epBegin - starting edit part

theElement - eObject to use

Returns:

the found edit part if there is any

refreshForegroundColor

protected void refreshForegroundColor()

Refresh the editpart's figure foreground colour.

refreshVisibility

protected void refreshVisibility()

Refresh the editpart's figure visibility.

removeListenerFilter

protected void removeListenerFilter(java.lang.String filterId)

Removes a listener previously added with the given id

Parameters:

filterId - the filiter ID

setForegroundColor

protected void setForegroundColor(Color color)

sets the forefround color of the editpart's figure

Parameters:

color - the color

setStructuralFeatureValue

public void setStructuralFeatureValue(EStructuralFeature feature,
                                      java.lang.Object value)

Sets the passed feature if possible on this editpart's view to the passed value.

Specified by:

setStructuralFeatureValue in interface IGraphicalEditPart

Parameters:

feature - the feature to use

value - the value of the property being set

setVisibility

protected void setVisibility(boolean vis)

sets the edit part's visibility

Parameters:

vis - the new visibilty value

addNotationalListeners

protected void addNotationalListeners()

This method adds all listeners to the notational world (views, figures, editpart...etc) Override this method to add more notational listeners down the hierarchy

addSemanticListeners

protected void addSemanticListeners()

This method adds all listeners to the semantic element behind this EditPart Override this method to add more semantic listeners down the hierarchy This method is called only if the semantic element is resolvable

removeNotationalListeners

protected void removeNotationalListeners()

This method removes all listeners to the notational world (views, figures, editpart...etc) Override this method to remove notational listeners down the hierarchy

removeSemanticListeners

protected void removeSemanticListeners()

This method removes all listeners to the semantic element behind this EditPart Override this method to remove semantic listeners down the hierarchy

addNotify

public void addNotify()

Specified by:

addNotify in interface EditPart

See Also:

EditPart.addNotify()

createConnectionFigure

protected abstract Connection createConnectionFigure()

Method createConnectionFigure.

Returns:

a Connection figure

createFigure

protected final IFigure createFigure()

refresh

public void refresh()

Specified by:

refresh in interface EditPart

getEdge

protected Edge getEdge()

utility method to get the Edge view

Returns:

the Edge

getDragTracker

public DragTracker getDragTracker(Request req)

Specified by:

getDragTracker in interface EditPart

getModelSource

protected java.lang.Object getModelSource()

give access to the source of the edit part's Edge

Returns:

the source

getModelTarget

protected java.lang.Object getModelTarget()

give access to the target of the edit part's Edge

Returns:

the target

installRouter

protected void installRouter()

installes a router on the edit part, depending on the RoutingStyle

refreshBendpoints

protected void refreshBendpoints()

refresh the pendpoints owned by the EditPart's Edge

refreshRouterChange

protected void refreshRouterChange()

Method refreshRouterChange.

refreshSmoothness

protected void refreshSmoothness()

Method refreshSmoothness.

refreshJumplinks

protected void refreshJumplinks()

Method refreshJumplinks.

refreshRoutingStyles

protected void refreshRoutingStyles()

Method refreshRoutingStyles.

refreshVisuals

protected void refreshVisuals()

refreshFont

protected void refreshFont()

Refresh the editpart's figure font.

setFont

protected void setFont(FontData fontData)

Sets the font to the label. This method could be overriden to change the font data of the font overrides typically look like this: super.setFont( new FontData( fontData.getName(), fontData.getHeight(), fontData.getStyle() <| &> SWT.????));

Parameters:

fontData - the font data

getAppearancePropertyIDs

protected java.lang.String[] getAppearancePropertyIDs()

Returns an array of the appearance property ids applicable to the receiver. Fro this type it is Properties.ID_FONT, Properties.ID_FONTCOLOR, Properties.ID_LINECOLOR

Returns:

- an array of the appearane property ids applicable to the receiver

performRequest

public void performRequest(Request request)

Perform a request by executing a command from the target editpart of the request For the Direct_Edit request, we need to show up an editor first

Specified by:

performRequest in interface EditPart

See Also:

EditPart.performRequest(org.eclipse.gef.Request)

performDirectEditRequest

protected void performDirectEditRequest(Request request)

Performs a direct edit request (usually by showing some type of editor)

Parameters:

request - the direct edit request

understandsRequest

public boolean understandsRequest(Request req)

Specified by:

understandsRequest in interface EditPart

See Also:

EditPart.understandsRequest(org.eclipse.gef.Request)

registerModel

protected void registerModel()

Adds a [ref, editpart] mapping to the EditPartForElement map.

unregisterModel

protected void unregisterModel()

Remove this editpart from the EditPartForElement map.

handleMajorSemanticChange

protected final void handleMajorSemanticChange()

Handles the case where the semantic reference has changed.

isCanonical

public final boolean isCanonical()

check if there is a canonical edit policy installed on the edit part or not

Returns:

true if a canonical editpolicy has been installed on this editpart; otherwise false

isSelectable

public boolean isSelectable()

checks if the edit part's figure is visible or not

Specified by:

isSelectable in interface EditPart

Returns:

true if the editpart's figure is visible; false otherwise.

disableEditMode

public void disableEditMode()

Description copied from interface: org.eclipse.gmf.runtime.diagram.ui.internal.editparts.IEditableEditPart

Disables edit mode of the EditPart. EditParts that are not editable do not provide commands to any requests.

Specified by:

disableEditMode in interface org.eclipse.gmf.runtime.diagram.ui.internal.editparts.IEditableEditPart

enableEditMode

public void enableEditMode()

Description copied from interface: org.eclipse.gmf.runtime.diagram.ui.internal.editparts.IEditableEditPart

Enables edit mode of the EditPart. EditParts that are editable provide commands to requests.

Specified by:

enableEditMode in interface org.eclipse.gmf.runtime.diagram.ui.internal.editparts.IEditableEditPart

isEditModeEnabled

public boolean isEditModeEnabled()

Description copied from interface: org.eclipse.gmf.runtime.diagram.ui.internal.editparts.IEditableEditPart

Returns true if the EditPart is editable. Editparts are editable after IEditableEditPart.enableEditMode()is called, and until IEditableEditPart.disableEditMode()is called.

Specified by:

isEditModeEnabled in interface org.eclipse.gmf.runtime.diagram.ui.internal.editparts.IEditableEditPart

Returns:

true when editable

showSourceFeedback

public void showSourceFeedback(Request request)

Specified by:

showSourceFeedback in interface EditPart

showTargetFeedback

public void showTargetFeedback(Request request)

Specified by:

showTargetFeedback in interface EditPart

eraseSourceFeedback

public void eraseSourceFeedback(Request request)

Specified by:

eraseSourceFeedback in interface EditPart

eraseTargetFeedback

public void eraseTargetFeedback(Request request)

Specified by:

eraseTargetFeedback in interface EditPart

getPrimaryChildEditPart

public EditPart getPrimaryChildEditPart()

this method will return the primary child EditPart inside this edit part

Specified by:

getPrimaryChildEditPart in interface IGraphicalEditPart

Returns:

the primary child view inside this edit part

getDiagramPreferencesHint

public PreferencesHint getDiagramPreferencesHint()

Description copied from interface: IGraphicalEditPart

Gets the preferences hint that is to be used to find the appropriate preference store from which to retrieve diagram preference values. The preference hint is mapped to a preference store in the preference registry <@link DiagramPreferencesRegistry>.

Specified by:

getDiagramPreferencesHint in interface IGraphicalEditPart

Returns:

the preferences hint

notifyChanged

public void notifyChanged(Notification notification)

Description copied from interface: NotificationListener

Will be called when a Notification event gets sent from the DiagramEventBroker after the transaction has been closed.

Specified by:

notifyChanged in interface NotificationListener

Parameters:

notification - the notification object

handleNotificationEvent

protected void handleNotificationEvent(Notification event)

Handles the property changed event

Parameters:

event - the property changed event

getMapMode

protected org.eclipse.gmf.runtime.draw2d.ui.mapmode.IMapMode getMapMode()

Returns:

IMapMode that allows for the coordinate mapping from device to logical units.

getEditingDomain

public org.eclipse.emf.transaction.TransactionalEditingDomain getEditingDomain()

Derives my editing domain from my diagram element. Subclasses may override.

Specified by:

getEditingDomain in interface IGraphicalEditPart

Returns:

my transactional EMF editing domain

getPreferredValue

public java.lang.Object getPreferredValue(EStructuralFeature feature)

Description copied from interface: IGraphicalEditPart

Retrieves the preferred value for the supplied feature. This value could be the current value set in the preference store. Clients may override this to supply their own preferred values. The type of the return value will vary depending on the feature.

Specified by:

getPreferredValue in interface IGraphicalEditPart

Parameters:

feature - the feature to use

Returns:

Object The preferred value for the supplied feature. The object is of the same type as if the value of the feature were retrieved directly from the view.

getResourceManager

protected ResourceManager getResourceManager()

Gets the resource manager to remember the resources allocated for this graphical viewer. All resources will be disposed when the graphical viewer is closed if they have not already been disposed.

Returns:

the resource manager

isSemanticConnection

public boolean isSemanticConnection()

Answers whether or not this connection represents a part of the semantic model.

Returns:

true if this connection has semantic meaning, false otherwise.

setModel

public void setModel(java.lang.Object model)

Clear the semantic connection value when the model changes.

Specified by:

setModel in interface EditPart