void RaiseBeginUpdate(VisualTreeItem element)
{
if (Parent != null)
{
Parent.RaiseBeginUpdate(element);
return;
}
BeginUpdate?.Invoke(element, EventArgs.Empty);
}
public void ShowActuals(double inputlastpoint)
{
if (inputlastpoint > PlotModel.Axes[0].ActualMinimum)
{
Debug.WriteLine("Need to load points");
BeginUpdate BU = new BeginUpdate(SecondLoad);
IAsyncResult result = BU.BeginInvoke(null, null);
}
else
{
Debug.WriteLine("No need to load points");
}
}
void ImportData()
{
BeginUpdate?.Invoke();
foreach (uint idTable in m_importData.Keys)
{
using (IDatumProvider dp = AppContext.TableManager.GetTable(idTable).DataProvider)
{
dp.Connect();
foreach (IDataRow row in m_importData[idTable])
{
dp.Insert(row);
}
}
}
m_importedTable = m_importData.Keys.ToArray();
}
/// <summary>
/// 通过EF进行更新
/// </summary>
/// <param name="model"></param>
/// <param name="sameValueWhere"></param>
public void UpdateByEF(T model, Expression <Func <T, bool> > sameValueWhere)
{
if (BeginUpdate != null)
{
BeginUpdate.Invoke(model);
}
PropertyInfo editProperty = model.GetType().GetProperty("EditTime");
if (editProperty != null)
{
editProperty.SetValue(model, DateTime.Now, null);
}
if (_provider.UpdateByEF(model, sameValueWhere))
{
if (EndUpdate != null)
{
EndUpdate.Invoke(model);
}
}
}
/// <summary>
/// 更新
/// </summary>
/// <param name="model">对象</param>
/// <param name="fields">更新字段</param>
/// <param name="idPropertyName">Id字段名</param>
/// <param name="sameValuePropertyName">检测相同值字段名</param>
/// <returns></returns>
public bool Update(T model, string[] fields = null, string idPropertyName = "Id", string sameValuePropertyName = "")
{
if (BeginUpdate != null)
{
BeginUpdate.Invoke(model);
}
PropertyInfo editProperty = model.GetType().GetProperty("EditTime");
if (editProperty != null)
{
editProperty.SetValue(model, DateTime.Now, null);
}
PropertyInfo propertyId = model.GetType().GetProperty(idPropertyName);
if (!string.IsNullOrEmpty(sameValuePropertyName))
{
PropertyInfo propertySameValue = model.GetType().GetProperty(sameValuePropertyName);
string check = new ConditionHelper().And(idPropertyName, propertyId.GetValue(model, null), CompareType.Unequal)
.And(sameValuePropertyName, propertySameValue.GetValue(model, null), CompareType.Equal).ToString();
DynamicParameters p = new DynamicParameters();
p.Add($"@{idPropertyName}", propertyId.GetValue(model, null));
p.Add($"@{sameValuePropertyName}", propertySameValue.GetValue(model, null));
if (_provider.GetItem <T>(check, p) != null)
{
throw new SameValueException();
}
}
string fieldsStr = "";
if (fields != null)
{
List <string> builder = new List <string>();
foreach (var field in fields)
{
builder.Add($"{field} = @{field}");
}
fieldsStr = string.Join(",", builder.ToArray());
}
else
{
Type type = typeof(T);
PropertyInfo[] propertys = type.GetProperties();
List <string> builder = new List <string>();
foreach (var property in propertys)
{
if (property.Name != sameValuePropertyName)
{
builder.Add($"{property.Name} = @{property.Name}");
}
}
fieldsStr = string.Join(",", builder);
}
string condition = new ConditionHelper().And(idPropertyName, propertyId.GetValue(model, null), CompareType.Equal).ToString();
if (_provider.Update(condition, fieldsStr, model))
{
if (EndUpdate != null)
{
EndUpdate.Invoke(model);
}
return(true);
}
else
{
return(false);
}
}
