private void btnAddClasses_Click(object sender, RoutedEventArgs e)
{
if (_eom == null)
{
//注意：从 CommonModel 中获取的实体类，是没有继承关系的。
CommonModel.Entities.EnsureAllLoaded();
var converter = new MetaToEOM(CommonModel.Entities.Where(m => m.EntityCategory != EntityCategory.QueryObject));
_eom = converter.Read();
}
var content = new ChooseClassesControl(_eom);
var res = App.Windows.ShowDialog(content, w =>
{
w.Title = "添加实体类".Translate();
w.Width = 400;
});
if (res == WindowButton.Yes)
{
var typeList = content.SelectedEntities;
if (typeList.Count > 0)
{
var document = modelViewer.GetDocument();
ODMLDocumentHelper.AddToDocument(new AddToDocumentArgs
{
Docment = document,
TypeList = typeList,
AllTypes = _eom.EntityTypes
});
modelViewer.BindDocument(document);
}
}
}
private void btnRefreshClasses_Click(object sender, EventArgs e)
{
if (_owner.Project == null)
{
return;
}
ResetEOM();
var oldDocument = designer.GetDocument();
//创建一个新文档对象，使用它来描述最新的文档结构。
var document = new ODMLDocument();
//把原来显示的所有实体类型，加入到新文档对象中。
var eom = EOM;
var types = oldDocument.EntityTypes.Select(el => eom.EntityTypes.Find(el.FullName))
.Where(t => t != null).ToArray();
ODMLDocumentHelper.AddToDocument(new AddToDocumentArgs
{
Docment = document,
TypeList = types,
AllTypes = eom.EntityTypes
});
//新的元素的位置，还原为所有旧元素的位置
foreach (var el in document.EntityTypes)
{
var oldTypeEl = oldDocument.FindEntityType(el.FullName);
el.Left = oldTypeEl.Left;
el.Top = oldTypeEl.Top;
el.Width = oldTypeEl.Width;
el.Height = oldTypeEl.Height;
}
foreach (var el in document.EnumTypes)
{
var oldTypeEl = oldDocument.FindEnumType(el.FullName);
el.Left = oldTypeEl.Left;
el.Top = oldTypeEl.Top;
el.Width = oldTypeEl.Width;
el.Height = oldTypeEl.Height;
}
foreach (var el in document.Connections)
{
var old = oldDocument.FindConnection(el);
if (old != null)
{
el.Hidden = old.Hidden;
el.ConnectionType = old.ConnectionType;
el.FromPointPos = old.FromPointPos;
el.ToPointPos = old.ToPointPos;
}
}
//绑定新文档对象到设计器中，丢弃旧对象。
designer.BindDocument(document);
}
private void AddTypesInDocument(IList <EntityType> list)
{
var document = designer.GetDocument();
ODMLDocumentHelper.AddToDocument(new AddToDocumentArgs
{
Docment = document,
TypeList = list,
AllTypes = EOM.EntityTypes
});
//使用双向绑定，不再需要手动调用文档加载。
//designer.LoadDocument(document);
}
