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schultezub authored
+ added PropertyWidgetFactory + added AbstractPropertyWidget and StringPropertyWidget * replaced own observer implementation of AbstractPipeline and AbstractProperty with sigslot * changed PropertyCollection (aggregation) to HasPropertyCollection (inheritance) git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@207 bb408c1c-ae56-11e1-83d9-df6b3e0c105e
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