Package 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
The root component cannot be removed from its parent. This EditPolicy
 is typically installed on the Viewer's
 
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Field SummaryFields inherited from interface org.eclipse.gef.EditPolicyCOMPONENT_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_ROLEFields inherited from interface org.eclipse.gef.RequestConstantsREQ_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
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Constructor SummaryConstructors
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Method SummaryModifier and TypeMethodDescriptionprotected CommandcreateDeleteCommand(GroupRequest request) Overridden to prevent the host from being deleted.Methods inherited from class org.eclipse.gef.editpolicies.ComponentEditPolicygetCommand, getDeleteCommand, getOrphanCommandMethods inherited from class org.eclipse.gef.editpolicies.AbstractEditPolicyactivate, deactivate, debugFeedback, eraseSourceFeedback, eraseTargetFeedback, getHost, getTargetEditPart, setHost, showSourceFeedback, showTargetFeedback, toString, understandsRequest
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Constructor Details- 
RootComponentEditPolicypublic RootComponentEditPolicy()
 
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Method Details- 
createDeleteCommandOverridden to prevent the host from being deleted.- Overrides:
- createDeleteCommandin class- ComponentEditPolicy
- Parameters:
- request- the DeleteRequest
- Returns:
- Command nullor a contribution to the delete
- See Also:
 
 
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