L0 = <http://www.simantics.org/Layer0-1.1>
ACT = <http://www.simantics.org/Action-1.1>
IMAGE = <http://www.simantics.org/Image2-1.2>

VP = <http://www.simantics.org/Viewpoint-1.2>

VP.BrowseContext
    >-- VP.BrowseContext.HasActionContribution --> VP.ActionContribution <R L0.IsRelatedTo
    >-- VP.BrowseContext.HasTestContribution --> VP.TestContribution <R L0.IsRelatedTo
    >-- VP.BrowseContext.SupportsRemovalOf --> L0.Entity <R L0.IsRelatedTo
    >-- VP.BrowseContext.SupportsRenamingOf --> L0.Entity <R L0.IsRelatedTo
    
VP.ActionContribution <T L0.Entity
    >-- VP.ActionContribution.HasNodeType --> L0.Entity <R L0.IsRelatedTo
    >-- VP.ActionContribution.HasCategory --> VP.ActionCategory <R L0.IsRelatedTo : L0.TotalFunction
    >-- VP.ActionContribution.HasAction --> ACT.Action <R L0.IsRelatedTo : L0.FunctionalRelation
    >-- VP.ActionContribution.IsVisibleIf --> VP.Test <R L0.IsRelatedTo : L0.FunctionalRelation
    >-- VP.ActionContribution.IsEnabledIf --> VP.Test <R L0.IsRelatedTo : L0.FunctionalRelation
    >-- VP.ActionContribution.HasImage --> IMAGE.Image <R L0.IsRelatedTo : L0.FunctionalRelation
    
VP.ActionCategory <T L0.Entity
    >-- VP.ActionCategory.HasPriority --> L0.Double <R L0.HasProperty : L0.FunctionalRelation
    >-- VP.ActionCategory.IsSubmenu --> L0.Boolean <R L0.HasProperty : L0.FunctionalRelation

VP.TestContribution <T L0.Entity
    >-- VP.TestContribution.HasNodeType --> L0.Entity <R L0.IsRelatedTo
    >-- VP.TestContribution.HasTest --> VP.Test <R L0.IsRelatedTo : L0.FunctionalRelation
    >-- VP.TestContribution.HasPriority --> L0.Double <R L0.HasProperty : L0.FunctionalRelation

VP.RemovalTestContribution <T VP.TestContribution
VP.RenamingTestContribution <T VP.TestContribution

VP.NewActionCategory : VP.ActionCategory
    L0.HasLabel "New"
    VP.ActionCategory.IsSubmenu L0.True
VP.ImportActionCategory : VP.ActionCategory
    L0.HasLabel "Import"
    VP.ActionCategory.IsSubmenu L0.True
VP.ExportActionCategory : VP.ActionCategory
    L0.HasLabel "Export"
    VP.ActionCategory.IsSubmenu L0.True
VP.EditActionCategory : VP.ActionCategory
    L0.HasLabel "Edit"
    VP.ActionCategory.IsSubmenu L0.False
    
// Templates

VP.defineActionContribution: L0.Template
    @template %actionContribution %label %parentType %image %category %action
        %actionContribution : VP.ActionContribution
            L0.HasLabel %label
            VP.ActionContribution.HasImage %image
            VP.ActionContribution.HasCategory %category
            VP.ActionContribution.HasNodeType %parentType
            VP.ActionContribution.HasAction %action

VP.actionContribution: L0.Template
    @template %actionContext %label %parentType %image %category %action
        %actionContext
            VP.BrowseContext.HasActionContribution _ : VP.ActionContribution
                L0.HasLabel %label
                VP.ActionContribution.HasImage %image
                VP.ActionContribution.HasCategory %category
                VP.ActionContribution.HasNodeType %parentType
                VP.ActionContribution.HasAction %action

VP.actionContributionWithVisibility: L0.Template
    @template %actionContext %label %parentType %image %category %action %test
        %actionContext
            VP.BrowseContext.HasActionContribution _ : VP.ActionContribution
                L0.HasLabel %label
                VP.ActionContribution.HasImage %image
                VP.ActionContribution.HasCategory %category
                VP.ActionContribution.HasNodeType %parentType
                VP.ActionContribution.HasAction %action
                VP.ActionContribution.IsVisibleIf %test

VP.removalTestContribution: L0.Template
    @template %actionContext %parentType %test %priority
        %actionContext
            VP.BrowseContext.HasTestContribution _ : VP.RemovalTestContribution
                VP.TestContribution.HasNodeType %parentType
                VP.TestContribution.HasTest %test
                VP.TestContribution.HasPriority %priority

VP.renamingTestContribution: L0.Template
    @template %actionContext %parentType %test %priority
        %actionContext
            VP.BrowseContext.HasTestContribution _ : VP.RenamingTestContribution
                VP.TestContribution.HasNodeType %parentType
                VP.TestContribution.HasTest %test
                VP.TestContribution.HasPriority %priority