protected Command createAddCommand(
ChangeBoundsRequest request, EditPart child, Object constraint) {
LogicSubpart part = (LogicSubpart) child.getModel();
Rectangle rect = (Rectangle) constraint;
AddCommand add = new AddCommand();
add.setParent((LogicDiagram) getHost().getModel());
add.setChild(part);
add.setLabel(LogicMessages.LogicXYLayoutEditPolicy_AddCommandLabelText);
add.setDebugLabel("LogicXYEP add subpart"); // $NON-NLS-1$
SetConstraintCommand setConstraint = new SetConstraintCommand();
setConstraint.setLocation(rect);
setConstraint.setPart(part);
setConstraint.setLabel(LogicMessages.LogicXYLayoutEditPolicy_AddCommandLabelText);
setConstraint.setDebugLabel("LogicXYEP setConstraint"); // $NON-NLS-1$
Command cmd = add.chain(setConstraint);
cmd = chainGuideAttachmentCommand(request, part, cmd, true);
cmd = chainGuideAttachmentCommand(request, part, cmd, false);
cmd = chainGuideDetachmentCommand(request, part, cmd, true);
return chainGuideDetachmentCommand(request, part, cmd, false);
}
