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Eclipse GEF 2.1 |
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java.lang.Object | +--org.eclipse.gef.editparts.AbstractEditPart | +--org.eclipse.gef.editparts.RootTreeEditPart
The root editpart for a 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.
Nested Class Summary |
Nested classes inherited from class org.eclipse.gef.editparts.AbstractEditPart |
AbstractEditPart.EditPolicyIterator |
Field Summary |
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.RequestConstants |
REQ_ADD, REQ_ALIGN, REQ_ALIGN_CHILDREN, 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 | |
RootTreeEditPart()
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Method Summary | |
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)
Returns the Command to perform the specified Request or null . |
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()
Returns the root's EditPartViewer. |
Widget |
getWidget()
The editpart holds onto the SWT Tree, which is also the contents' widget. |
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. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.eclipse.gef.EditPart |
activate, 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, understandsRequest |
Methods inherited from interface org.eclipse.core.runtime.IAdaptable |
getAdapter |
Constructor Detail |
public RootTreeEditPart()
Method Detail |
protected void addChildVisual(EditPart childEditPart, int index)
addChildVisual
in class AbstractEditPart
childEditPart
- EditPart of child to be added.index
- Position where it is to be added.AbstractEditPart.addChild(EditPart, int)
,
AbstractGraphicalEditPart.removeChildVisual(EditPart)
protected void createEditPolicies()
AbstractEditPart
null
can be used to reserve a "slot", should there be some desire to
guarantee the ordering of EditPolcies.
createEditPolicies
in class AbstractEditPart
AbstractEditPart.createEditPolicies()
public Command getCommand(Request request)
EditPart
Command
to perform the specified Request or null
.
getCommand
in interface EditPart
getCommand
in class AbstractEditPart
request
- describes the Command being requested
null
or a CommandEditPart.getCommand(org.eclipse.gef.Request)
public EditPart getContents()
RootEditPart
getContents
in interface RootEditPart
RootEditPart.getContents()
public DragTracker getDragTracker(Request request)
getDragTracker
in interface EditPart
request
- a Request
indicating the context of the drag
null
or a DragTrackerEditPart.getDragTracker(org.eclipse.gef.Request)
public RootEditPart getRoot()
this
.
getRoot
in interface EditPart
getRoot
in class AbstractEditPart
RootEditPart
EditPart.getRoot()
public EditPartViewer getViewer()
RootEditPart
getViewer
in interface RootEditPart
getViewer
in class AbstractEditPart
EditPartViewer
RootEditPart.getViewer()
public Widget getWidget()
getWidget
in interface TreeEditPart
TreeEditPart.getWidget()
protected void removeChildVisual(EditPart childEditPart)
removeChildVisual
in class AbstractEditPart
childEditPart
- EditPart of child to be removed.public void setContents(EditPart editpart)
RootEditPart
setContents
in interface RootEditPart
editpart
- the contentsRootEditPart.setContents(org.eclipse.gef.EditPart)
public void setViewer(EditPartViewer epviewer)
RootEditPart
setViewer
in interface RootEditPart
epviewer
- 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 TreeEditPart
w
- the WidgetTreeEditPart.setWidget(org.eclipse.swt.widgets.Widget)
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Eclipse GEF 2.1 |
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