internal static global::System.Collections.IList GetElementsFromEntityTypeForProperties(DslModeling::ModelElement element)
{
global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType root = (global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType)element;
// Segments 0 and 1
DslModeling::LinkedElementCollection <global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.Property> result = root.Properties;
return(result);
}
public static DslModeling::ElementLink Connect(DslModeling::ModelElement source, DslModeling::ModelElement target)
{
if (source == null)
{
throw new global::System.ArgumentNullException("source");
}
if (target == null)
{
throw new global::System.ArgumentNullException("target");
}
if (CanAcceptSourceAndTarget(source, target))
{
if (source is global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType)
{
if (target is global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType)
{
global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType sourceAccepted = (global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType)source;
global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType targetAccepted = (global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType)target;
DslModeling::ElementLink result = new global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.Inheritance(sourceAccepted, targetAccepted);
if (DslModeling::DomainClassInfo.HasNameProperty(result))
{
DslModeling::DomainClassInfo.SetUniqueName(result);
}
return(result);
}
}
}
global::System.Diagnostics.Debug.Fail("Having agreed that the connection can be accepted we should never fail to make one.");
throw new global::System.InvalidOperationException();
}
public static bool CanAcceptSourceAndTarget(DslModeling::ModelElement candidateSource, DslModeling::ModelElement candidateTarget)
{
// Accepts null, null; source, null; source, target but NOT null, target
if (candidateSource == null)
{
if (candidateTarget != null)
{
throw new global::System.ArgumentNullException("candidateSource");
}
else // Both null
{
return(false);
}
}
bool acceptSource = CanAcceptSource(candidateSource);
// If the source wasn't accepted then there's no point checking targets.
// If there is no target then the source controls the accept.
if (!acceptSource || candidateTarget == null)
{
return(acceptSource);
}
else // Check combinations
{
if (candidateSource is global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType)
{
if (candidateTarget is global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType)
{
global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType sourceEntityType = (global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType)candidateSource;
global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType targetEntityType = (global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.EntityType)candidateTarget;
if (targetEntityType == null || global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.Inheritance.GetLinkToBaseType(targetEntityType) != null)
{
return(false);
}
if (targetEntityType == null || sourceEntityType == null || global::Microsoft.Data.Entity.Design.EntityDesigner.ViewModel.Inheritance.GetLinks(sourceEntityType, targetEntityType).Count > 0)
{
return(false);
}
return(true);
}
}
}
return(false);
}
