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Last modified by Richard Kreissig on 2023/09/14 10:13
From version 39.1
edited by uru
on 2023/07/06 14:35
Change comment: Renamed back-links.
To version 37.1
edited by uru
on 2023/07/06 14:35
Change comment: Renamed back-links.

Summary

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59 59  
60 60  **//Layout Data//**
61 61  
62 -* Concrete layout data (position and size) and abstract layout data (layout options) attached to elements of the layout graph using the [[KLayoutData>>doc:KIELER.Home.Discontinued Projects.Infrastructure for Meta Layout (KIML).KLayoutData Meta Model.WebHome]] model.
62 +* Concrete layout data (position and size) and abstract layout data (layout options) attached to elements of the layout graph using the [[KLayoutData>>doc:KIELER.KLayoutData Meta Model]] model.
63 63  
64 64  //**Layout Meta Data**//
65 65  
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101 101  
102 102  Selecting //Restore Default Value// in the context menu or the view toolbar removes any value for the currently selected option that is stored in the current model file, thus resetting the option to its default value. The view menu has an entry //Remove all Layout Options// which resets all options of the current model by removing persistent data in the model file.
103 103  
104 -The standard layout options defined in KIML are documented in [[doc:KIELER.Home.Discontinued Projects.Infrastructure for Meta Layout (KIML).KIML Layout Options.WebHome]]. However, layout algorithms may define additional layout options.
104 +The standard layout options defined in KIML are documented in [[doc:KIELER.KIML Layout Options]]. However, layout algorithms may define additional layout options.
105 105  
106 106  [[image:attach:context_menu.png]]
107 107  
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157 157  
158 158  The {{code language="none"}}layoutProviders{{/code}} extension point is needed to register layout algorithms; one layout provider class may provide multiple layout algorithms by giving a parameter string in the extension point. The extension point allows to attach information on known layout options, supported diagram types, and supported graph features to a layout algorithm. The known layout options are those that are offered in the Layout view when the respective algorithm is selected. The supported diagram types are used to automatically select the most suitable algorithm for a specific diagram type: from all algorithms that state to support a given type, the one with the highest priority is taken. The supported graph features are used to state which special features that a graph can contain can be handled by the algorithm; examples for such features are edge labels, ports, or clusters. Furthermore, the extension point can be used to specify new layout options, layout types, and categories of layout algorithms.
159 159  
160 -Each layout option that is registered in the extension point needs a corresponding constant in Java code, where the most relevant data is replicated with a [[Property>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.core/src/de/cau/cs/kieler/core/properties/Property.java||shape="rect"]] constant for easy use in the implementation of layout algorithms. KIML comes with a large set of [[built-in layout options>>doc:KIELER.Home.Discontinued Projects.Infrastructure for Meta Layout (KIML).KIML Layout Options.WebHome]], which are all defined in [[LayoutOptions>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml/src/de/cau/cs/kieler/kiml/options/LayoutOptions.java||shape="rect"]]. Layout providers can access the layout option values using the [[IPropertyHolder>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.core/src/de/cau/cs/kieler/core/properties/IPropertyHolder.java||shape="rect"]] interface:
160 +Each layout option that is registered in the extension point needs a corresponding constant in Java code, where the most relevant data is replicated with a [[Property>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.core/src/de/cau/cs/kieler/core/properties/Property.java||shape="rect"]] constant for easy use in the implementation of layout algorithms. KIML comes with a large set of [[built-in layout options>>doc:KIELER.KIML Layout Options]], which are all defined in [[LayoutOptions>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml/src/de/cau/cs/kieler/kiml/options/LayoutOptions.java||shape="rect"]]. Layout providers can access the layout option values using the [[IPropertyHolder>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.core/src/de/cau/cs/kieler/core/properties/IPropertyHolder.java||shape="rect"]] interface:
161 161  
162 162  {{code language="java" theme="Eclipse"}}
163 163  KShapeLayout nodeLayout = parentNode.getData(KShapeLayout.class);