examples/org.eclipse.gymnast.examples.game/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.0"?>
<plugin>

   <extension
         point="org.eclipse.ui.editors">
      <editor
            name="GameEditor"
            icon="icons/gymnast.gif"
            extensions="game"
            class="org.eclipse.gymnast.examples.game.ui.GameEditor"
            contributorClass="org.eclipse.gymnast.examples.game.ui.GameEditorActionContributor"
            id="org.eclipse.gymnast.examples.game.ui.GameEditor">
      </editor>
   </extension>
   
   <extension
         point="org.eclipse.ui.popupMenus">
      <objectContribution
            objectClass="org.eclipse.core.resources.IFile"
            nameFilter="*.game"
            id="org.eclipse.gymnast.examples.game.ui.GamePlayAction">
         <action
               label="Play Game!"
               icon="icons/gymnast.gif"
               class="org.eclipse.gymnast.examples.game.ui.GamePlayAction"
               menubarPath="additions"
               enablesFor="1"
               id="org.eclipse.gymnast.examples.game.ui.GamePlayAction">
         </action>
      </objectContribution>
   </extension>

</plugin>