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Last modified by Richard Kreissig on 2023/09/14 10:13
From version 47.1
edited by Alexander Schulz-Rosengarten
on 2023/07/11 10:33
Change comment: Renamed back-links.
To version 42.1
edited by Alexander Schulz-Rosengarten
on 2023/07/11 10:25
Change comment: Renamed back-links.

Summary

Details

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1 -Kieler.Discontinued Projects.WebHome
1 +KIELER.Home.Discontinued Projects.WebHome
Content
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30 30  In order to use KIML with your own GMF-based editor, you need to do the following steps:
31 31  
32 32  1. Install the "//KIELER Layout for GMF//" feature from our update site, see [[Downloads>>url:http://www.rtsys.informatik.uni-kiel.de/en/research/kieler/||shape="rect"]]
33 -1*. It includes the Java-based layout algorithms developed in the [[KLay project>>doc:Kieler.Discontinued Projects.Layout Algorithms (KLay).WebHome]].
33 +1*. It includes the Java-based layout algorithms developed in the [[KLay project>>doc:KIELER.Home.Discontinued Projects.Layout Algorithms (KLay).WebHome]].
34 34  1. Open a diagram and press the layout button [[image:attach:kieler-arrange.gif]] or use the shortcut Ctrl+R L.
35 35  
36 36  Similarly, the "//KIELER Layout for Graphiti//" feature provides the KIML interface to Graphiti-based editors.
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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.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.Home.Discontinued Projects.Infrastructure for Meta Layout (KIML).KLayoutData Meta Model.WebHome]] 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.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.Home.Discontinued Projects.Infrastructure for Meta Layout (KIML).KIML Layout Options.WebHome]]. However, layout algorithms may define additional layout options.
105 105  
106 106  [[image:attach:context_menu.png]]
107 107  
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143 143  
144 144  The interaction with the diagram editor or viewer is handled by //layout managers//, represented by [[IDiagramLayoutManager>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml.service/src/de/cau/cs/kieler/kiml/service/IDiagramLayoutManager.java||shape="rect"]] implementations, explained with more detail below.
145 145  
146 -The configuration of automatic layout is done by the [[LayoutOptionManager>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml.service/src/de/cau/cs/kieler/kiml/service/LayoutOptionManager.java||shape="rect"]], which iterates over all graph elements and applies a set of layout configurators, represented by the interface [[ILayoutConfig>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml/src/de/cau/cs/kieler/kiml/config/ILayoutConfig.java||shape="rect"]]. Layout configurators analyze the context of each graph element and set specific values for some layout options. More information on layout configuration is available on [[doc:KIELER.Discontinued Projects.Infrastructure for Meta Layout (KIML).Configuring Automatic Layout.WebHome]].
146 +The configuration of automatic layout is done by the [[LayoutOptionManager>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml.service/src/de/cau/cs/kieler/kiml/service/LayoutOptionManager.java||shape="rect"]], which iterates over all graph elements and applies a set of layout configurators, represented by the interface [[ILayoutConfig>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml/src/de/cau/cs/kieler/kiml/config/ILayoutConfig.java||shape="rect"]]. Layout configurators analyze the context of each graph element and set specific values for some layout options. More information on layout configuration is available on [[doc:Kieler.Discontinued Projects.Infrastructure for Meta Layout (KIML).Configuring Automatic Layout.WebHome]].
147 147  
148 148  Hierarchically structured graphs are handled by the [[RecursiveGraphLayoutEngine>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml/src/de/cau/cs/kieler/kiml/RecursiveGraphLayoutEngine.java||shape="rect"]], which executes layout algorithms separately on each hierarchy level, starting with the innermost levels. The actual layout computations are performed by subclasses of [[AbstractLayoutProvider>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml/src/de/cau/cs/kieler/kiml/AbstractLayoutProvider.java||shape="rect"]], which are registered with the {{code language="none"}}layoutProviders{{/code}} extension point.
149 149  
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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.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.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:
161 161  
162 162  {{code language="java" theme="Eclipse"}}
163 163  KShapeLayout nodeLayout = parentNode.getData(KShapeLayout.class);
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176 176  
177 177  Each diagram layout manager must be able to map the graph structure of its supported diagram viewers to the [[KGraph>>doc:Kieler.Discontinued Projects.Infrastructure for Meta Layout (KIML).KGraph Meta Model.WebHome]] format using the {{code language="none"}}buildLayoutGraph({{/code}}…{{code language="none"}}){{/code}} method. The result is stored in a [[LayoutMapping>>url:http://rtsys.informatik.uni-kiel.de/fisheye/browse/kieler-pragmatics/plugins/de.cau.cs.kieler.kiml.service/src/de/cau/cs/kieler/kiml/service/LayoutMapping.java||shape="rect"]], which stores a bidirectional map between graph elements and diagram elements and can be enriched with additional information. Such information is often required when the new computed layout is applied back to the diagram, which is done with {{code language="none"}}applyLayout({{/code}}…{{code language="none"}}){{/code}}. This method is also responsible for applying animation of the transition between the old layout and the new layout and for automatic zooming, if requested.
178 178  
179 -(% style="line-height: 1.4285715;" %)There are many ways to customize the configuration of graphs created by layout managers. These are documented in [[doc:KIELER.Discontinued Projects.Infrastructure for Meta Layout (KIML).Configuring Automatic Layout.WebHome]].
179 +(% style="line-height: 1.4285715;" %)There are many ways to customize the configuration of graphs created by layout managers. These are documented in [[doc:Kieler.Discontinued Projects.Infrastructure for Meta Layout (KIML).Configuring Automatic Layout.WebHome]].