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76	76	= (% style="line-height: 1.4285715;" %)The Layout Option Manager(%%) =
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78		-(% style="line-height: 1.4285715;" %)By now, we have an idea of what layout options do and why they are important in the first place. However, we haven't looked at how layout options end up on [[KGraph>>doc:Kieler.Discontinued Projects.Infrastructure for Meta Layout (KIML).KGraph Meta Model.WebHome]] elements yet. This is where the [[{{code language="none"}}LayoutOptionManager{{/code}}>>url:http://git.rtsys.informatik.uni-kiel.de/projects/KIELER/repos/pragmatics/browse/plugins/de.cau.cs.kieler.kiml.service/src/de/cau/cs/kieler/kiml/service/LayoutOptionManager.java||shape="rect"]] comes in. If you are not interested in the internal details, but want to configure automatic layout for your diagram viewer or editor, you may skip this section and proceed to [[programmatically setting layout options>>doc:||anchor="programmatic-config"]].
	78	+(% style="line-height: 1.4285715;" %)By now, we have an idea of what layout options do and why they are important in the first place. However, we haven't looked at how layout options end up on [[KGraph>>doc:KIELER.Discontinued Projects.Infrastructure for Meta Layout (KIML).KGraph Meta Model.WebHome]] elements yet. This is where the [[{{code language="none"}}LayoutOptionManager{{/code}}>>url:http://git.rtsys.informatik.uni-kiel.de/projects/KIELER/repos/pragmatics/browse/plugins/de.cau.cs.kieler.kiml.service/src/de/cau/cs/kieler/kiml/service/LayoutOptionManager.java||shape="rect"]] comes in. If you are not interested in the internal details, but want to configure automatic layout for your diagram viewer or editor, you may skip this section and proceed to [[programmatically setting layout options>>doc:||anchor="programmatic-config"]].
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80	80	(% style="line-height: 1.4285715;" %)After a diagram layout manager has finished turning a given diagram into its KGraph representation, the layout option manager is asked to enrich the KGraph elements with layout options. The option values can come from different sources: the user might have set some using the layout view; there might be some defaults for certain kinds of diagrams; or the programmer might have decided to attach some layout options to certain elements for just this one layout run. Whatever the source, the options manager is in charge of collecting all these layout option values and making sure they find their way to the correct KGraph element. To start off with a clean plate, it first makes sure there are no layout options attached to the KGraph elements. It then does two things: collect every eligible source of layout options, and transfer values of layout options to the associated KGraph elements. Sounds easy enough.
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