protected virtual void OnAfterGetObjectData(GetObjectDataAssistantEventArgs arg)
{
if (_AfterGetObjectData != null)
{
_AfterGetObjectData(this, arg);
}
}
private void onAfterSelectData(GetObjectDataAssistantEventArgs arg)
{
if (_AfterSelectData != null)
{
_AfterSelectData(this, arg);
}
}
void dataAssistant_AfterGetObjectData(object sender, GetObjectDataAssistantEventArgs arg)
{
if (arg.SelectedRows == null || arg.SelectedRows.Length == 0)
{
return;
}
if (arg.SelectedRows.Length > SHOW_MSG_COUNT)
{
var re = MB.WinBase.MessageBoxEx.Question(string.Format("当前需要批量增加的数据量有{0}行,请分批导入,继续将花费几十秒的时间.是否继续?", arg.SelectedRows.Length));
if (re != System.Windows.Forms.DialogResult.Yes)
{
return;
}
}
try {
//edit by chendc 2010-07-08 性能优化调整
Dictionary <string, MB.Util.Emit.DynamicPropertyAccessor> orgAcs = new Dictionary <string, Util.Emit.DynamicPropertyAccessor>();
Dictionary <string, MB.Util.Emit.DynamicPropertyAccessor> desAcs = new Dictionary <string, Util.Emit.DynamicPropertyAccessor>();
object orgEntity = arg.SelectedRows[0];
foreach (MB.WinBase.Common.EditCtlDataMappingInfo info in _ColumnEditCfgInfo.EditCtlDataMappings)
{
if (!MB.Util.MyReflection.Instance.CheckObjectExistsProperty(orgEntity, info.SourceColumnName))
{
MB.Util.TraceEx.Write(string.Format("源数据中不包含属性{0}", info.SourceColumnName));
continue;
}
orgAcs.Add(info.ColumnName, new Util.Emit.DynamicPropertyAccessor(orgEntity.GetType(), info.SourceColumnName));
desAcs.Add(info.ColumnName, new Util.Emit.DynamicPropertyAccessor(typeof(T), info.ColumnName));
}
List <T> listFromDataAssistance = new List <T>(); //从数据小助手获取的数据列表。
IClientRule uiRule = _EditForm.ClientRuleObject as IClientRule;
IList newList = null;
if (_IsEntityBatchCreatedFromServer)
{
newList = uiRule.CreateNewEntityBatch(_dataInDocType, arg.SelectedRows.Length); //从服务端批量新增对象, 为了获取服务端赋予对象的默认值
}
int newListIndex = 0;
foreach (object row in arg.SelectedRows)
{
//这个AddNew 主要是产生一个AddNew的事件， 通过这个事件从服务器端返回一个新的对象并把
//该集合中创建的对象替换掉，在真正使用中 如果存在性能的问题，可以修改为从本地创建。
//T newEntity = _DetailEntitys.AddNew();
T newEntity = null;
if (_IsEntityBatchCreatedFromServer)
{
newEntity = (T)newList[newListIndex];
listFromDataAssistance.Add(newEntity);
}
else
{
newEntity = _DetailEntitys.AddNew();
}
foreach (var acKey in orgAcs.Keys)
{
object val = orgAcs[acKey].Get(row);
if (val == null)
{
continue;
}
desAcs[acKey].Set(newEntity, val);
}
//foreach (MB.WinBase.Common.EditCtlDataMappingInfo info in _ColumnEditCfgInfo.EditCtlDataMappings) {
// object dataObject = row;
// if (!MB.Util.MyReflection.Instance.CheckObjectExistsProperty(dataObject, info.SourceColumnName)) {
// MB.Util.TraceEx.Write(string.Format("源数据中不包含属性{0}", info.SourceColumnName));
// continue;
// }
// object val = MB.Util.MyReflection.Instance.InvokePropertyForGet(dataObject, info.SourceColumnName);
// if (val == null) continue;
// MB.Util.MyReflection.Instance.InvokePropertyForSet(newEntity, info.ColumnName, val.ToString());
//},
newListIndex++;
}
if (_IsEntityBatchCreatedFromServer)
{
onAfterGetDataFromDataAssistance(new AfterGetDataFromDataAssistanceEventArgs <T>(listFromDataAssistance.ToArray()));
}
}
catch (Exception ex) {
throw new MB.Util.APPException("批量增加数据有误,请重试！", MB.Util.APPMessageType.DisplayToUser, ex);
}
}
void listView_AfterSelectData(object sender, GetObjectDataAssistantEventArgs arg)
{
this.DialogResult = System.Windows.Forms.DialogResult.OK;
OnAfterGetObjectData(new GetObjectDataAssistantEventArgs(arg.SelectedRows));
this.Close();
}
