public static void SetValue(XElement _parent, PropertyExtensionContext _context, XName xName, string value)
{
string propertyValue = string.Empty;
if (value != null)
{
propertyValue = value.Trim();
}
using (EntityDesignerChangeScope scope = _context.CreateChangeScope("Set StarterKit Property"))
{
if (_parent.HasElements)
{
XElement lastChild = _parent.Elements().Where <XElement>(element => element != null && element.Name == xName).LastOrDefault();
if (lastChild != null)
{
lastChild.SetValue(propertyValue);
}
else
{
// MyNewProperty element does not exist, so create a new one as the last
// child of the EntityType element.
_parent.Elements().Last().AddAfterSelf(new XElement(xName, propertyValue));
}
}
else
{
// The EntityType element has no child elements so create a new MyNewProperty
// element as its first child.
_parent.Add(new XElement(xName, propertyValue));
}
// Commit the changes.
scope.Complete();
}
}
public void SetValue(XElement parent, PropertyExtensionContext context, XName name, XElement value)
{
if (value == null)
{
foreach (var element in GetEntityTypesWithIdentityElement(parent, name))
{
element.Element(name).Remove();
}
return;
}
var otherElements = (from element in value.Elements()
let otherName = element.Name
where propertyNames.Contains(otherName) && otherName != name
select element).ToList();
if (otherElements.Any())
{
DialogResult result = DialogResult.OK;
if (GetEntityTypesWithIdentityElement(parent, otherName).Count() == 1)
{
string nameString = name.LocalName.Substring(name.LocalName.Length - 5, 4);
string otherNameString = otherName.LocalName.Substring(otherName.LocalName.Length - 5, 4);
string message = string.Format("Selected entity type is already used as a {0} identity. Would you like to set it as a {1} identity? A {0} identity will be unset.", otherName, name);
string caption = string.Format("Entity is already in use as {0} identity!", otherName);
result = MessageBox.Show(message, caption, MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
}
if (result == DialogResult.Cancel)
{
return;
}
else
{
value.Element(otherName).Remove();
}
}
using (EntityDesignerChangeScope scope = context.CreateChangeScope("Set ASP.NET Identity Property"))
{
foreach (var element in GetEntityTypesWithIdentityElement(parent, name))
{
if (element != value)
{
element.Element(name).Remove();
}
}
if (value.Elements(name).Count() < 1)
{
value.FirstNode.AddBeforeSelf(new XElement(name));
}
// Commit the changes.
scope.Complete();
}
}
protected void SetProperty <T>(string propertyName, T propertyValue)
{
var propertyXName = XName.Get(propertyName, Namespace);
// Make changes to the .edmx document in an EntityDesignerChangeScope to enable undo/redo of changes.
using (var scope = Context.CreateChangeScope("Set CompositionRootProperty"))
{
//if (Parent.HasElements)
//{
// var lastChild = Parent.Elements()
// .Where(element => element != null && element.Name == propertyXName)
// .LastOrDefault();
// if (lastChild != null)
// {
// // CompositionRootProperty element already exists under the EntityType element, so update its value.
// lastChild.SetValue(propertyValue);
// }
// else
// {
// // CompositionRootProperty element does not exist, so create a new one as the last child of the EntityType element.
// Parent.Elements().Last().AddAfterSelf(new XElement(propertyXName, propertyValue));
// }
//}
if (Parent.HasAttributes)
{
var attribute = Parent.Attributes()
.Where(a => a != null && a.Name == propertyXName)
.SingleOrDefault();
if (attribute != null)
{
// CompositionRootProperty element already exists under the EntityType element, so update its value.
attribute.SetValue(propertyValue);
}
else
{
// CompositionRootProperty element does not exist, so create a new one as the last child of the EntityType element.
Parent.SetAttributeValue(propertyXName, propertyValue);
}
}
else
{
// The EntityType element has no child elements so create a new CompositionRootProperty element as its first child.
Parent.Add(new XElement(propertyXName, propertyValue));
}
// Commit the changes.
scope.Complete();
}
}
public void SetValue(XElement parent, PropertyExtensionContext context, string entityName, string identityType)
{
if (entityName == null)
{
using (EntityDesignerChangeScope scope = context.CreateChangeScope("Set ASP.NET Identity Property"))
{
RemoveIdentityAttributeOfType(parent, identityType);
scope.Complete();
return;
}
}
XElement set = GetEntitySetsByEntityName(parent, entityName).FirstOrDefault();
if (set == null)
{
throw new ArgumentException(string.Format("Entity Model does not contain any entity with name \"{0}\".", entityName));
}
var identityTypeAttribute = set.Attributes(Constants.aspNetIdentityAttributeName).FirstOrDefault();
if (identityTypeAttribute != null)
{
if (identityTypeAttribute.Value == identityType)
{
return;
}
DialogResult result = DialogResult.OK;
string otherType = identityTypeAttribute.Value;
string message = string.Format("Selected entity type is already used as a {0} identity. Would you like to set it as a {1} identity? A {0} identity will be unset.", otherType, identityType);
string caption = string.Format("Entity is already in use as {0} identity!", otherType);
result = MessageBox.Show(message, caption, MessageBoxButtons.OKCancel, MessageBoxIcon.Warning);
if (result == DialogResult.Cancel)
{
return;
}
else
{
using (EntityDesignerChangeScope scope = context.CreateChangeScope("Set ASP.NET Identity Property"))
{
RemoveIdentityAttributeOfType(parent, identityType);
identityTypeAttribute.Value = identityType;
scope.Complete();
}
}
}
else
{
using (EntityDesignerChangeScope scope = context.CreateChangeScope("Set ASP.NET Identity Property"))
{
if (!parent.Attributes(aspNetIdentityXmlnsAttributeName).Any())
{
parent.Add(new XAttribute(aspNetIdentityXmlnsAttributeName, Constants.AspNetIdentityNamespace));
}
identityTypeAttribute = new XAttribute(Constants.aspNetIdentityAttributeName, identityType);
set.Add(identityTypeAttribute);
scope.Complete();
}
}
}