org.eclipse.gef.editpolicies
Class ContainerEditPolicy

java.lang.Object
  org.eclipse.gef.editpolicies.AbstractEditPolicy
      org.eclipse.gef.editpolicies.ContainerEditPolicy

All Implemented Interfaces:

EditPolicy, RequestConstants

public abstract class ContainerEditPolicy
extends AbstractEditPolicy

An EditPolicy for use with container editparts. This policy can be used to contribute commands to add, create, and orphan requests.

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

ContainerEditPolicy()

Method Summary

protected Command	getAddCommand(GroupRequest request) Override to contribute to add requests.
protected Command	getCloneCommand(ChangeBoundsRequest request) Override to contribute to clone requests.
Command	getCommand(Request request) Overridden to check for add, create, and orphan.
protected abstract Command	getCreateCommand(CreateRequest request) Clients must implement to contribute to create requests.
protected Command	getOrphanChildrenCommand(GroupRequest request) Override to contribute to orphan requests.

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

ContainerEditPolicy

public ContainerEditPolicy()

Method Detail

getAddCommand

protected Command getAddCommand(GroupRequest request)

Override to contribute to add requests.

Parameters:

request - the add request

Returns:

the command contribution to the add

getCloneCommand

protected Command getCloneCommand(ChangeBoundsRequest request)

Override to contribute to clone requests.

Parameters:

request - the clone request

Returns:

the command contribution to the clone

getCommand

public Command getCommand(Request request)

Overridden to check for add, create, and orphan.

Specified by:

getCommand in interface EditPolicy

Overrides:

getCommand in class AbstractEditPolicy

Parameters:

request - the Request

Returns:

null or a Command contribution

See Also:

EditPolicy.getCommand(org.eclipse.gef.Request)

getCreateCommand

protected abstract Command getCreateCommand(CreateRequest request)

Clients must implement to contribute to create requests.

Parameters:

request - the create request

Returns:

null or a command contribution

getOrphanChildrenCommand

protected Command getOrphanChildrenCommand(GroupRequest request)

Override to contribute to orphan requests.

Parameters:

request - the orphan request

Returns:

a command contribution for the orphan