private void ResetConnectionsLabelHidden(ConnectionElement connection)
{
connection.LabelVisible = true;
if (_HideNonsenceLabels)
{
if (connection.ConnectionType != ConnectionType.Composition && connection.ConnectionType != ConnectionType.Aggregation)
{
BlockElement to = _entityTypes.FirstOrDefault(t => t.FullName == connection.To);
if (to == null)
{
to = _enumTypes.FirstOrDefault(t => t.FullName == connection.To);
}
var hasNonsenceLabel = to.Name == connection.Label;
if (hasNonsenceLabel)
{
connection.LabelVisible = false;
}
}
}
}
private void ResetConnectionsLabelHidden(ConnectionElement connection)
{
connection.LabelVisible = true;
if (_HideNonsenceLabels)
{
if (connection.ConnectionType != ConnectionType.Composition && connection.ConnectionType != ConnectionType.Aggregation)
{
BlockElement to = _entityTypes.FirstOrDefault(t => t.FullName == connection.To);
if (to == null) to = _enumTypes.FirstOrDefault(t => t.FullName == connection.To);
var hasNonsenceLabel = to.Name == connection.Label;
if (hasNonsenceLabel)
{
connection.LabelVisible = false;
}
}
}
}
/// <summary>
/// 对于文档中刚加入的元素，还没有加入它对应的连接。
/// 此方法会添加这些连接。
/// </summary>
/// <param name="document"></param>
private static void TryAddConnectionElements(AddToDocumentArgs args)
{
var document = args.Docment;
var docTypeList = document.EntityTypes
.Select(et => args.AllTypes.First(e => e.FullName == et.FullName))
.ToArray();
foreach (var type in docTypeList)
{
//添加继承连接线
var baseType = type.BaseType;
if (docTypeList.Contains(baseType))
{
var connectionEl = new ConnectionElement(type.FullName, baseType.FullName);
connectionEl.ConnectionType = ConnectionType.Inheritance;
TryAddConnection(document, connectionEl);
}
//添加引用连接线
foreach (var reference in type.References)
{
switch (reference.ReferenceType)
{
case ReferenceType.Normal:
//如果被引用的实体也在被选择的列表中，则尝试生成相应的连接。
if (docTypeList.Contains(reference.RefEntityType))
{
var connectionEl = new ConnectionElement(type.FullName, reference.RefEntityType.FullName);
connectionEl.ConnectionType = reference.Nullable ? ConnectionType.NullableReference : ConnectionType.Reference;
connectionEl.Label = reference.EntityProperty ?? reference.IdProperty;
TryAddConnection(document, connectionEl);
}
break;
//暂时忽略
//case ReferenceType.Parent:
// break;
//case ReferenceType.Child:
// break;
default:
break;
}
}
//添加组合连接线
foreach (var child in type.Children)
{
if (docTypeList.Contains(child.ChildEntityType))
{
var connectionEl = new ConnectionElement(child.ChildEntityType.FullName, type.FullName);
connectionEl.ConnectionType = ConnectionType.Composition;
connectionEl.Label = child.Name;
TryAddConnection(document, connectionEl);
}
}
}
}
private static void TryAddConnection(ODMLDocument document, ConnectionElement connectionEl)
{
//目前，暂时不支持自关联的线。
if (connectionEl.From == connectionEl.To) return;
//要判断是否之前已经添加了这个连接，才继续添加连接。
if (document.Connections.All(c => c.From != connectionEl.From || c.To != connectionEl.To || c.Label != connectionEl.Label))
{
document.Connections.Add(connectionEl);
}
}
public ConnectionProperties(ConnectionElement element)
{
_element = element;
}