org.eclipse.gef.editpolicies
Class RootComponentEditPolicy
java.lang.Object
|
+--org.eclipse.gef.editpolicies.AbstractEditPolicy
|
+--org.eclipse.gef.editpolicies.ComponentEditPolicy
|
+--org.eclipse.gef.editpolicies.RootComponentEditPolicy
- All Implemented Interfaces:
- EditPolicy, RequestConstants
- public class RootComponentEditPolicy
- extends ComponentEditPolicy
The root component cannot be removed from its parent. This EditPolicy is
typically installed on the Viewer's contents
.
Fields inherited from interface org.eclipse.gef.EditPolicy |
COMPONENT_ROLE, CONNECTION_BENDPOINTS_ROLE, CONNECTION_ENDPOINTS_ROLE, CONNECTION_ROLE, CONTAINER_ROLE, DIRECT_EDIT_ROLE, GRAPHICAL_NODE_ROLE, LAYOUT_ROLE, NODE_ROLE, PRIMARY_DRAG_ROLE, SELECTION_FEEDBACK_ROLE, TREE_CONTAINER_ROLE |
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 |
Methods inherited from class org.eclipse.gef.editpolicies.AbstractEditPolicy |
activate, deactivate, debugFeedback, eraseSourceFeedback, eraseTargetFeedback, getHost, getTargetEditPart, setHost, showSourceFeedback, showTargetFeedback, toString, understandsRequest |
RootComponentEditPolicy
public RootComponentEditPolicy()
createDeleteCommand
protected Command createDeleteCommand(GroupRequest request)
- Overridden to prevent the host from being deleted.
- Overrides:
createDeleteCommand
in class ComponentEditPolicy
- Parameters:
request
- the DeleteRequest
- Returns:
- Command
null
or a contribution to the delete - See Also:
ComponentEditPolicy.createDeleteCommand(GroupRequest)
Copyright (c) IBM Corp. and others 2000, 2003. All Rights Reserved.