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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
|
|
||
| using Microsoft.VisualStudio.Modeling; | ||
|
|
||
| namespace Sawczyn.EFDesigner.EFModel | ||
| { | ||
| [RuleOn(typeof(ClassShape), FireTime = TimeToFire.TopLevelCommit)] | ||
| internal class ClassShapeChangeRules : ChangeRule | ||
| { | ||
| /// <inheritdoc /> | ||
| public override void ElementPropertyChanged(ElementPropertyChangedEventArgs e) | ||
| { | ||
| base.ElementPropertyChanged(e); | ||
|
|
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| ClassShape element = (ClassShape)e.ModelElement; | ||
|
|
||
| if (element.IsDeleted) | ||
| return; | ||
|
|
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| ModelClass modelClass = (ModelClass)element.ModelElement; | ||
| Store store = element.Store; | ||
| Transaction current = store.TransactionManager.CurrentTransaction; | ||
|
|
||
| if (current.IsSerializing || ModelRoot.BatchUpdating) | ||
| return; | ||
|
|
||
| if (Equals(e.NewValue, e.OldValue)) | ||
| return; | ||
|
|
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| List<string> errorMessages = new List<string>(); | ||
|
|
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| switch (e.DomainProperty.Name) | ||
| { | ||
| case "AbsoluteBounds": | ||
| { | ||
| List<Guid> linkedConnectionObjectIds = modelClass.Store.ElementDirectory.AllElements | ||
| .OfType<ModelClass>() | ||
| .Where(x => x.IsAssociationClass) | ||
| .Select(x => x.DescribedAssociationElementId) | ||
| .ToList(); | ||
|
|
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| List<BidirectionalConnector> candidates = store.ElementDirectory.AllElements | ||
| .OfType<BidirectionalConnector>() | ||
| .Where(c => ((BidirectionalAssociation)c.ModelElement).SourceMultiplicity == Multiplicity.ZeroMany | ||
| && ((BidirectionalAssociation)c.ModelElement).TargetMultiplicity == Multiplicity.ZeroMany | ||
| && !linkedConnectionObjectIds.Contains(((BidirectionalAssociation)c.ModelElement).Id) | ||
| && c.AbsoluteBoundingBox.IntersectsWith(element.AbsoluteBoundingBox)) | ||
| .ToList(); | ||
|
|
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| if (modelClass.CanBecomeAssociationClass() && candidates.Any()) | ||
| { | ||
| foreach (BidirectionalConnector candidate in candidates) | ||
| { | ||
| BidirectionalAssociation association = ((BidirectionalAssociation)candidate.ModelElement); | ||
|
|
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| if (BooleanQuestionDisplay.Show(store, $"Make {modelClass.Name} an association class for {association.GetDisplayText()}?") == true) | ||
| { | ||
| ClassShape.AddAssociationClass(candidate, element); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| break; | ||
| } | ||
|
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| errorMessages = errorMessages.Where(m => m != null).ToList(); | ||
|
|
||
| if (errorMessages.Any()) | ||
| { | ||
| current.Rollback(); | ||
| ErrorDisplay.Show(store, string.Join("\n", errorMessages)); | ||
| } | ||
| } | ||
| } | ||
| } |
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