org.eclipse.gef.editpolicies
Class ComponentEditPolicy

java.lang.Object
  |
  +--org.eclipse.gef.editpolicies.AbstractEditPolicy
        |
        +--org.eclipse.gef.editpolicies.ComponentEditPolicy

All Implemented Interfaces:

EditPolicy, RequestConstants

Direct Known Subclasses:

RootComponentEditPolicy

public abstract class ComponentEditPolicy

extends AbstractEditPolicy

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_CHILD, REQ_ALIGN_CHILDREN, REQ_ANCESTOR_DELETED, REQ_CONNECTION_END, REQ_CONNECTION_START, REQ_CREATE, REQ_CREATE_BENDPOINT, REQ_DELETE, REQ_DELETE_BENDPOINT, REQ_DELETE_DEPENDANT, REQ_DIRECT_EDIT, REQ_MOVE, REQ_MOVE_BENDPOINT, REQ_MOVE_CHILD, REQ_MOVE_CHILDREN, REQ_ORPHAN, REQ_ORPHAN_CHILDREN, REQ_RECONNECT_END, REQ_RECONNECT_SOURCE, REQ_RECONNECT_START, REQ_RECONNECT_TARGET, REQ_RESIZE, REQ_RESIZE_CHILD, REQ_RESIZE_CHILDREN, REQ_SELECTION, REQ_SELECTION_HOVER, REQ_SOURCE_DELETED, REQ_TARGET_DELETED

Constructor Summary

ComponentEditPolicy()

Method Summary

protected abstract Command	createDeleteCommand(DeleteRequest req)
Command	getCommand(Request request) Get the command that performs an operation of the type indicated by @commandString on the receiver.
protected Command	getDeleteCommand(DeleteRequest request) Create a delete command to delete the receiver from the composition
protected Command	getOrphanCommand() Returns any contribution to orphaning this component from its container.

Methods inherited from class org.eclipse.gef.editpolicies.AbstractEditPolicy

activate, deactivate, debugFeedback, eraseSourceFeedback, eraseTargetFeedback, getHost, getTargetEditPart, initialize, setHost, showSourceFeedback, showTargetFeedback, toString, understandsRequest

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ComponentEditPolicy

public ComponentEditPolicy()

Method Detail

createDeleteCommand

protected abstract Command createDeleteCommand(DeleteRequest req)

getCommand

public Command getCommand(Request request)

Get the command that performs an operation of the type indicated by @commandString on the receiver. Data needed to create the command is contained in @tool Possible values for the commandString depend on the tool. Default tools send "create" and "move".

Overrides:

getCommand in class AbstractEditPolicy

Parameters:

commandString - java.lang.String The type of command to create

commandData - org.eclipse.gef.ICommandData Data needed to create the command

Returns:

org.eclipse.gef.commands.ICommand The command that performs the operation

getDeleteCommand

protected Command getDeleteCommand(DeleteRequest request)

Create a delete command to delete the receiver from the composition

getOrphanCommand

protected Command getOrphanCommand()

Returns any contribution to orphaning this component from its container. It is unusual that a child would have any additional orphaning requirements. The orphan is typically handled by the parent's ContainerEditPolicy.

See Also:

ContainerEditPolicy