* Query for what tooltip to display for an OMGraphic when the mouse is over
* it.
*/
public String getToolTipTextFor(OMGraphic omgr) {
OMDrawingTool dt = getDrawingTool();
if (shouldEdit(omgr) && dt.canEdit(omgr.getClass())
&& !dt.isActivated()) {
return editInstruction;
} else {
return null;
}