///--------------------------------------------------------------------------------
/// <summary>This method handles dropping items onto the treeview.</summary>
///
/// <param name="data">The data as a viewmodel.</param>
///--------------------------------------------------------------------------------
protected void Paste(IWorkspaceViewModel data)
{
SolutionViewModel solution;
ProjectViewModel assembly;
DatabaseSourceViewModel databaseSource;
AuditPropertyViewModel auditProperty;
FeatureViewModel feature;
EntityViewModel entity;
CollectionViewModel collectionProperty;
PropertyReferenceViewModel derivedProperty;
PropertyViewModel property;
EntityReferenceViewModel referenceProperty;
MethodViewModel method;
ParameterViewModel parameter;
IndexViewModel index;
IndexPropertyViewModel indexProperty;
RelationshipViewModel relationship;
RelationshipPropertyViewModel relationshipProperty;
if (data is ProjectViewModel)
{
// process assembly drop
assembly = data as ProjectViewModel;
solution = DataContext as SolutionViewModel;
if (solution == null)
{
// get parent solution
solution = ViewModelHelper.FindParentView <SolutionViewModel>(this);
}
if (solution == null)
{
// invalid drop location
HandleInvalidDrop(assembly);
}
else if (solution.ProjectsFolder.Projects.Find("Name", assembly.Name) != null)
{
// duplicate item found, cannot drop
if (assembly != DataContext as ProjectViewModel)
{
HandleDuplicateDrop(assembly);
}
}
else
{
// do the drop
ProjectViewModel view = solution.ProjectsFolder.PasteProject(assembly, true);
view.ShowInTreeView();
}
}
else if (data is DatabaseSourceViewModel)
{
// process databaseSource drop
databaseSource = data as DatabaseSourceViewModel;
solution = DataContext as SolutionViewModel;
if (solution == null)
{
// get parent solution
solution = ViewModelHelper.FindParentView <SolutionViewModel>(this);
}
if (solution == null)
{
// invalid drop location
HandleInvalidDrop(databaseSource);
}
else if (solution.SpecificationSourcesFolder.DatabaseSources.Find("Name", databaseSource.Name) != null)
{
// duplicate item found, cannot drop
if (databaseSource != DataContext as DatabaseSourceViewModel)
{
HandleDuplicateDrop(databaseSource);
}
}
else
{
// do the drop
DatabaseSourceViewModel view = solution.SpecificationSourcesFolder.PasteDatabaseSource(databaseSource, true);
view.ShowInTreeView();
}
}
else if (data is AuditPropertyViewModel)
{
// process auditProperty drop
auditProperty = data as AuditPropertyViewModel;
solution = DataContext as SolutionViewModel;
if (solution == null)
{
// get parent solution
solution = ViewModelHelper.FindParentView <SolutionViewModel>(this);
}
if (solution == null)
{
// invalid drop location
HandleInvalidDrop(auditProperty);
}
else if (solution.AuditPropertiesFolder.AuditProperties.Find("Name", auditProperty.Name) != null)
{
// duplicate item found, cannot drop
if (auditProperty != DataContext as AuditPropertyViewModel)
{
HandleDuplicateDrop(auditProperty);
}
}
else
{
// do the drop
AuditPropertyViewModel view = solution.AuditPropertiesFolder.PasteAuditProperty(auditProperty, true);
view.ShowInTreeView();
}
}
else if (data is FeatureViewModel)
{
// process feature drop
feature = data as FeatureViewModel;
solution = DataContext as SolutionViewModel;
if (solution == null)
{
// get parent solution
solution = ViewModelHelper.FindParentView <SolutionViewModel>(this);
}
if (solution == null)
{
// invalid drop location
HandleInvalidDrop(feature);
}
else if (solution.FeaturesFolder.Features.Find("Name", feature.Name) != null)
{
// duplicate item found, cannot drop
if (feature != DataContext as FeatureViewModel)
{
HandleDuplicateDrop(feature);
}
}
else
{
// do the drop
Mouse.OverrideCursor = Cursors.Wait;
FeatureViewModel view = solution.FeaturesFolder.PasteFeature(feature, true);
view.ShowInTreeView();
solution.Refresh(true);
Mouse.OverrideCursor = null;
}
}
else if (data is EntityViewModel)
{
// process entity drop
entity = data as EntityViewModel;
feature = DataContext as FeatureViewModel;
if (feature == null)
{
// get parent feature
feature = ViewModelHelper.FindParentView <FeatureViewModel>(this);
}
if (feature == null)
{
// invalid drop location
HandleInvalidDrop(entity);
}
else if (feature.Entities.Find("Name", entity.Name) != null)
{
// duplicate item found, cannot drop
if (entity != DataContext as EntityViewModel)
{
HandleDuplicateDrop(entity);
}
}
else
{
// do the drop
Mouse.OverrideCursor = Cursors.Wait;
EntityViewModel view = feature.PasteEntity(entity, true);
view.ShowInTreeView();
solution = ViewModelHelper.FindParentView <SolutionViewModel>(this);
if (solution != null)
{
solution.Refresh(true);
}
Mouse.OverrideCursor = null;
}
}
else if (data is CollectionViewModel)
{
// process collectionProperty drop
collectionProperty = data as CollectionViewModel;
entity = DataContext as EntityViewModel;
if (entity == null)
{
// get parent entity
entity = ViewModelHelper.FindParentView <EntityViewModel>(this);
}
if (entity == null)
{
// invalid drop location
HandleInvalidDrop(collectionProperty);
}
else if (entity.CollectionsFolder.Collections.Find("Name", collectionProperty.Name) != null)
{
// duplicate item found, cannot drop
if (collectionProperty != DataContext as CollectionViewModel)
{
HandleDuplicateDrop(collectionProperty);
}
}
else
{
// do the drop
CollectionViewModel view = entity.CollectionsFolder.PasteCollection(collectionProperty, true);
view.ShowInTreeView();
}
}
else if (data is PropertyReferenceViewModel)
{
// process derivedProperty drop
derivedProperty = data as PropertyReferenceViewModel;
entity = DataContext as EntityViewModel;
if (entity == null)
{
// get parent entity
entity = ViewModelHelper.FindParentView <EntityViewModel>(this);
}
if (entity == null)
{
// invalid drop location
HandleInvalidDrop(derivedProperty);
}
else if (entity.PropertyReferencesFolder.PropertyReferences.Find("Name", derivedProperty.Name) != null)
{
// duplicate item found, cannot drop
if (derivedProperty != DataContext as PropertyReferenceViewModel)
{
HandleDuplicateDrop(derivedProperty);
}
}
else
{
// do the drop
PropertyReferenceViewModel view = entity.PropertyReferencesFolder.PastePropertyReference(derivedProperty, true);
view.ShowInTreeView();
}
}
else if (data is PropertyViewModel)
{
// process property drop
property = data as PropertyViewModel;
entity = DataContext as EntityViewModel;
if (entity == null)
{
// get parent entity
entity = ViewModelHelper.FindParentView <EntityViewModel>(this);
}
if (entity == null)
{
// invalid drop location
HandleInvalidDrop(property);
}
else if (entity.PropertiesFolder.Properties.Find("Name", property.Name) != null)
{
// duplicate item found, cannot drop
if (property != DataContext as PropertyViewModel)
{
HandleDuplicateDrop(property);
}
}
else
{
// do the drop
PropertyViewModel view = entity.PropertiesFolder.PasteProperty(property, true);
solution = ViewModelHelper.FindParentView <SolutionViewModel>(this);
if (solution != null)
{
solution.Refresh(true);
}
view.ShowInTreeView();
}
}
else if (data is EntityReferenceViewModel)
{
// process referenceProperty drop
referenceProperty = data as EntityReferenceViewModel;
entity = DataContext as EntityViewModel;
if (entity == null)
{
// get parent entity
entity = ViewModelHelper.FindParentView <EntityViewModel>(this);
}
if (entity == null)
{
// invalid drop location
HandleInvalidDrop(referenceProperty);
}
else if (entity.EntityReferencesFolder.EntityReferences.Find("Name", referenceProperty.Name) != null)
{
// duplicate item found, cannot drop
if (referenceProperty != DataContext as EntityReferenceViewModel)
{
HandleDuplicateDrop(referenceProperty);
}
}
else
{
// do the drop
EntityReferenceViewModel view = entity.EntityReferencesFolder.PasteEntityReference(referenceProperty, true);
view.ShowInTreeView();
}
}
else if (data is MethodViewModel)
{
// process method drop
method = data as MethodViewModel;
entity = DataContext as EntityViewModel;
if (entity == null)
{
// get parent entity
entity = ViewModelHelper.FindParentView <EntityViewModel>(this);
}
if (entity == null)
{
// invalid drop location
HandleInvalidDrop(method);
}
else if (entity.MethodsFolder.Methods.Find("Name", method.Name) != null)
{
// duplicate item found, cannot drop
if (method != DataContext as MethodViewModel)
{
HandleDuplicateDrop(method);
}
}
else
{
// do the drop
MethodViewModel view = entity.MethodsFolder.PasteMethod(method, true);
view.ShowInTreeView();
}
}
else if (data is ParameterViewModel)
{
// process parameter drop
parameter = data as ParameterViewModel;
method = DataContext as MethodViewModel;
if (method == null)
{
// get parent method
method = ViewModelHelper.FindParentView <MethodViewModel>(this);
}
if (method == null)
{
// invalid drop location
HandleInvalidDrop(parameter);
}
else if (method.Parameters.Find("Name", parameter.Name) != null)
{
// duplicate item found, cannot drop
if (parameter != DataContext as ParameterViewModel)
{
HandleDuplicateDrop(parameter);
}
}
else
{
// do the drop
ParameterViewModel view = method.PasteParameter(parameter, true);
view.ShowInTreeView();
}
}
else if (data is IndexViewModel)
{
// process index drop
index = data as IndexViewModel;
entity = DataContext as EntityViewModel;
if (entity == null)
{
// get parent entity
entity = ViewModelHelper.FindParentView <EntityViewModel>(this);
}
if (entity == null)
{
// invalid drop location
HandleInvalidDrop(index);
}
else if (entity.IndexesFolder.Indexes.Find("Name", index.Name) != null)
{
// duplicate item found, cannot drop
if (index != DataContext as IndexViewModel)
{
HandleDuplicateDrop(index);
}
}
else
{
// do the drop
IndexViewModel view = entity.IndexesFolder.PasteIndex(index, true);
view.ShowInTreeView();
}
}
else if (data is IndexPropertyViewModel)
{
// process index drop
indexProperty = data as IndexPropertyViewModel;
index = DataContext as IndexViewModel;
if (index == null)
{
// get parent index
index = ViewModelHelper.FindParentView <IndexViewModel>(this);
}
if (index == null)
{
// invalid drop location
HandleInvalidDrop(indexProperty);
}
else if (index.IndexProperties.Find("Name", indexProperty.Name) != null)
{
// duplicate item found, cannot drop
if (indexProperty != DataContext as IndexPropertyViewModel)
{
HandleDuplicateDrop(indexProperty);
}
}
else
{
// do the drop
IndexPropertyViewModel view = index.PasteIndexProperty(indexProperty, true);
view.ShowInTreeView();
}
}
else if (data is RelationshipViewModel)
{
// process relationship drop
relationship = data as RelationshipViewModel;
entity = DataContext as EntityViewModel;
if (entity == null)
{
// get parent entity
entity = ViewModelHelper.FindParentView <EntityViewModel>(this);
}
if (entity == null)
{
// invalid drop location
HandleInvalidDrop(relationship);
}
else if (entity.RelationshipsFolder.Relationships.Find("Name", relationship.Name) != null)
{
// duplicate item found, cannot drop
if (relationship != DataContext as RelationshipViewModel)
{
HandleDuplicateDrop(relationship);
}
}
else
{
// do the drop
RelationshipViewModel view = entity.RelationshipsFolder.PasteRelationship(relationship, true);
view.ShowInTreeView();
}
}
else if (data is RelationshipPropertyViewModel)
{
// process relationshipProperty drop
relationshipProperty = data as RelationshipPropertyViewModel;
relationship = DataContext as RelationshipViewModel;
if (relationship == null)
{
// get parent relationship
relationship = ViewModelHelper.FindParentView <RelationshipViewModel>(this);
}
if (relationship == null)
{
// invalid drop location
HandleInvalidDrop(relationshipProperty);
}
else if (relationship.RelationshipProperties.Find("Name", relationshipProperty.Name) != null)
{
// duplicate item found, cannot drop
if (relationshipProperty != DataContext as RelationshipPropertyViewModel)
{
HandleDuplicateDrop(relationshipProperty);
}
}
else
{
// do the drop
RelationshipPropertyViewModel view = relationship.PasteRelationshipProperty(relationshipProperty, true);
view.ShowInTreeView();
}
}
}