public class RootTreeEditPart extends AbstractEditPart implements RootEditPart, TreeEditPart
TreeViewer. There is limited control of
a Tree, so this root implementation should work for all purposes. This
implementation does little more than hold onto the viewer, and pass the
Tree to the contents as its widget.AbstractEditPart.EditPolicyIteratorchildren, FLAG_ACTIVE, FLAG_FOCUS, MAX_FLAGSELECTED, SELECTED_NONE, SELECTED_PRIMARYREQ_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 and Description |
|---|
RootTreeEditPart() |
| Modifier and Type | Method and Description |
|---|---|
protected void |
addChildVisual(EditPart childEditPart,
int index)
This is where the child gets added.
|
protected void |
createEditPolicies()
Creates the initial EditPolicies and/or reserves slots for dynamic ones.
|
Command |
getCommand(Request request)
Subclasses should rarely extend this method.
|
EditPart |
getContents()
Returns the contents EditPart.
|
DragTracker |
getDragTracker(Request request)
This method will never be called on a tree root.
|
RootEditPart |
getRoot()
Returns
this. |
EditPartViewer |
getViewer()
Convenience method for returning the
EditPartViewer for this
part. |
Widget |
getWidget()
The editpart holds onto the SWT Tree, which is also the contents' widget.
|
protected void |
refreshChildren()
Overridden to do nothing since the child is explicitly set.
|
protected void |
removeChildVisual(EditPart childEditPart)
This is where the child gets removed.
|
void |
setContents(EditPart editpart)
Sets the contents EditPart.
|
void |
setViewer(EditPartViewer epviewer)
Sets the root's EditPartViewer.
|
void |
setWidget(Widget w)
Called by
TreeViewer to set the Tree into the
root. |
activate, activateEditPolicies, addChild, addEditPartListener, addNotify, createChild, deactivate, deactivateEditPolicies, debug, debugFeedback, eraseSourceFeedback, eraseTargetFeedback, fireActivated, fireChildAdded, fireDeactivated, fireRemovingChild, fireSelectionChanged, getAccessibleEditPart, getAdapter, getChildren, getEditPolicy, getEditPolicyIterator, getEventListeners, getFlag, getModel, getModelChildren, getParent, getSelected, getTargetEditPart, hasFocus, installEditPolicy, isActive, isSelectable, performRequest, refresh, refreshVisuals, register, registerAccessibility, registerModel, registerVisuals, removeChild, removeEditPartListener, removeEditPolicy, removeNotify, reorderChild, setFlag, setFocus, setModel, setParent, setSelected, showSourceFeedback, showTargetFeedback, toString, understandsRequest, unregister, unregisterAccessibility, unregisterModel, unregisterVisualsclone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitactivate, addEditPartListener, addNotify, deactivate, eraseSourceFeedback, eraseTargetFeedback, getChildren, getEditPolicy, getModel, getParent, getSelected, getTargetEditPart, hasFocus, installEditPolicy, isActive, isSelectable, performRequest, refresh, removeEditPartListener, removeEditPolicy, removeNotify, setFocus, setModel, setParent, setSelected, showSourceFeedback, showTargetFeedback, understandsRequestgetAdapterprotected void addChildVisual(EditPart childEditPart, int index)
addChildVisual in class AbstractEditPartchildEditPart - EditPart of child to be added.index - Position where it is to be added.AbstractEditPart.addChild(EditPart, int),
AbstractGraphicalEditPart.removeChildVisual(EditPart)protected void createEditPolicies()
AbstractEditPartnull can be used to reserve a "slot",
should there be some desire to guarantee the ordering of EditPolcies.createEditPolicies in class AbstractEditPartAbstractEditPart.createEditPolicies()public Command getCommand(Request request)
AbstractEditPartEditPolicy.
This method is implemented indirectly using EditPolicies.
| It is recommended that Command creation be handled by EditPolicies, and not directly by the EditPart. |
getCommand in interface EditPartgetCommand in class AbstractEditPartrequest - the RequestEditPart.getCommand(org.eclipse.gef.Request)public EditPart getContents()
RootEditPartgetContents in interface RootEditPartRootEditPart.getContents()public DragTracker getDragTracker(Request request)
getDragTracker in interface EditPartrequest - a Request indicating the context of the dragnull or a DragTrackerEditPart.getDragTracker(org.eclipse.gef.Request)public RootEditPart getRoot()
this.getRoot in interface EditPartgetRoot in class AbstractEditPartnull or the RootEditPartEditPart.getRoot()public EditPartViewer getViewer()
EditPartEditPartViewer for this
part.getViewer in interface EditPartgetViewer in interface RootEditPartgetViewer in class AbstractEditPartEditPartViewer or nullRootEditPart.getViewer()public Widget getWidget()
getWidget in interface TreeEditPartTreeEditPart.getWidget()protected void refreshChildren()
refreshChildren in class AbstractEditPartAbstractEditPart.refreshChildren()protected void removeChildVisual(EditPart childEditPart)
removeChildVisual in class AbstractEditPartchildEditPart - EditPart of child to be removed.public void setContents(EditPart editpart)
RootEditPartsetContents in interface RootEditParteditpart - the contentsRootEditPart.setContents(org.eclipse.gef.EditPart)public void setViewer(EditPartViewer epviewer)
RootEditPartsetViewer in interface RootEditPartepviewer - the EditPartViewerRootEditPart.setViewer(org.eclipse.gef.EditPartViewer)public void setWidget(Widget w)
TreeViewer to set the Tree into the
root. The root simply holds onto this widget and passes it to the
contents when the contents is added.setWidget in interface TreeEditPartw - the WidgetTreeEditPart.setWidget(org.eclipse.swt.widgets.Widget)Copyright (c) IBM Corp. and others 2000, 2011. All Rights Reserved.