item state chang item event object src sourc fig target panel target state chang item event select target src field item custom item handl custom color field label stylepan custom color target color set target src line field item custom item handl custom color line field label stylepan custom line color target line color set target line src stereo field target stereotyp style object item item combo box model model combo box model stereo field model idx model index item stereotyp style fig stereotyp style target fig set stereotyp style stereotyp style idx 