qgis/QGIS — pull request #1052 by vmora (2014-01-03 14:00:54+00:00)
Title: [processing] set droplists if parameter values are already set

as a result you can set some parameters in
checkBeforeOpeningParametersDialog and they will be the default in the
interface. This is especially usefull when your algo as a lot of
parameters that you can gues (eg from layer names)