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Eclipse GEF
3.3

org.eclipse.gef.editpolicies
Class RootComponentEditPolicy

java.lang.Object
  extended by

org.eclipse.gef.editpolicies.AbstractEditPolicy
      extended by

org.eclipse.gef.editpolicies.ComponentEditPolicy
          extended by
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.


Field Summary
 
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_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
RootComponentEditPolicy ()
           
 
Method Summary
protected   Command createDeleteCommand ( GroupRequest request)
          Overridden to prevent the host from being deleted.
 
Methods inherited from class org.eclipse.gef.editpolicies. ComponentEditPolicy
getCommand, getDeleteCommand, getOrphanCommand
 
Methods inherited from class org.eclipse.gef.editpolicies. AbstractEditPolicy
activate, deactivate, debugFeedback, eraseSourceFeedback, eraseTargetFeedback, getHost, getTargetEditPart, setHost, showSourceFeedback, showTargetFeedback, toString, understandsRequest
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

RootComponentEditPolicy

public RootComponentEditPolicy()
Method Detail

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)

Eclipse GEF
3.3

Copyright (c) IBM Corp. and others 2000, 2007. All Rights Reserved.

 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire