Hi! There are a few new elements for use in plugins that you may want to read up on:
<matrix>: I've already written a short note on that, a while ago: http://firstname.lastname@example.org/msg01917.html This allows you to enter a matrix of numbers or strings. Either with fixed dimensions, or growing dynamically as the user is typing. Note that this can also be used to input vector data (i.e. only one row or column). <optionset>: You want to provide one or more options for an arbitrary number of items? E.g. custom color and line type for each line in a plot, or name and min/max version numbers for an arbitrary number of dependencies? Now you can do so, using the optionset: http://rkward.sourceforge.net/documents/devel/plugins/optionset.html A first real example of this is given in the Data->Sort plugin (when sorting a data.frame). A dialog with further toy examples is in under_development.pluginmap (Analysis->Optionset Test). (I've been planning to add the <optionset> for years, but the details have been giving me quite some headaches. So I'm really glad it's finally there.) <switch>: This is an element for use in the <logic>-section, which allows you to switch between two or more properties based on a condition. (E.g. if <checkbox> c is unchecked, you want to use a fixed string, if c is checked, you want to use a user-supplied string from an <input>-element). The <switch> does not offer anything entirely new, as you could implement similar logic using <script>s, already. However, sometimes this is simply a more elegant alternative. Read more on the new elements in the "Writing Plugins" document at http://rkward.sourceforge.net/documents/devel/plugins/ or inside (the development version of) RKWard by following the link near the bottom of Help->Help on RKWard. Meik: I am aware that new plugin features are just another reason to implement run-time checks of plugins' version requirements (R and RKWard). I'll work on that (and a better UI for selecting / deselecting .pluginmaps), next. Regards Thomas
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