Tutorials
Page tree

Versions Compared

Old Version 10

changes.mady.by.user Unknown User (uru)

Saved on

compared with

New Version 11

changes.mady.by.user Unknown User (uru)

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

  1. Rickt-click the de.cau.cs.kieler.simplelayout package and select New > File.
  2. Create a file simple.elkm and double click it to open it.
  3. When asked whether you want to add the Xtext nature, select yes.

  4. The file is used to specify meta information for your layout algorithm. For this, copy the following code snippet into your editor:

    Code Block
    languagejava
    package de.cau.cs.kieler.simplelayout

bundle {
    label "Simple Layout Algoritms"
    class SimpleOptions
}

algorithm simple(SimpleLayoutProvider) {
    label "Simple Test Layouter"
    
    supports org.eclipse.elk.spacing.border
    supports org.eclipse.elk.spacing.node
}
  5. You still have to register the file with Eclipse. Open the META-INF/MANIFEST.MF file again and switch to the Extensions tab.
  6. Add an extension for org.eclipse.elk.core.layoutProviders.
  7. Right-click the extension and click New > provider.
  8. Set the name to Simple Test Layouter and the class to your layout provider class name (use the browse button and enter SimpleLayoutProvider). SimpleOptions). Note that SimpleOptions is automatically generated from the .elkm file you created. Its name is specified by the class keyword in the bundle section.
  9. Right-click the new layoutAlgorithm and click New > knownOption. Set option to de.cau.cs.kieler.spacing.
  10. Add another knownOption for de.cau.cs.kieler.borderSpacing.
  11. Save the editor
  12. Your workspace should look similar to this
    Image RemovedImage Added

 

We will now have to add a new run configuration that will start an Eclipse instance with your layout code loaded into the application, ready to be used.

  1. Click Run > Debug Configurations...
  2. Right-click Eclipse Application and click New. Set the configuration's name to Layout Test.
  3. In the Arguments tab, make sure the the program arguments include -debug and -consoleLog.
  4. On the Plug-ins tab, set Launch with to plug-ins selected below only.
    1. Click Deselect All.
    2. Check the Workspace item in the tree.
    3. Check the de.cau.cs.kieler.core.kgraph.text.ui, de.cau.cs.kieler.klighd.xtext and org.eclipse.ui.ide.application plugins under Target Platform
    4. Click Add Required Plug-ins. Press it twice (just to be sure!).
  5. Click Apply to save your changes and then Debug to start an Eclipse instance to test with.

...