private static void ReloadNvFromDataControl(EventProcessInfo eventProcessInfo, IDisplayManager dm, IDataControl dc, string changedDataControlName)
{
string[] columns = eventProcessInfo.ExecuteParam.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string s in columns)
{
IDataControl idc = dm.DataControls[s];
if (idc == null)
{
throw new ArgumentException("there is no IDataControl with name " + s + " in eventProcess's SelectedDataValueChanged!");
}
//object saveValue = idc.SelectedDataValue;
GridColumnInfo iInfo = idc.Tag as GridColumnInfo;
switch (iInfo.CellEditorManager)
{
case "Combo":
case "MultiCombo":
case "FreeCombo":
{
// NameValueMapping
NameValueMapping nv = NameValueMappingCollection.Instance[iInfo.CellEditorManagerParam];
// will throw 集合已改变Exception
List <string> ls = new List <string>();
foreach (KeyValuePair <string, object> kvp in nv.Params)
{
ls.Add(kvp.Key.Substring(1));
}
if (!ls.Contains(changedDataControlName))
{
continue;
}
object savedValue = idc.SelectedDataValue;
idc.SelectedDataValue = null;
foreach (string key in ls)
{
object o = GetDataControlValue(key, dm).Item2;
nv.Params["@" + key] = o == null ? System.DBNull.Value : o;
}
NameValueMappingCollection.Instance.Reload(dm.Name, iInfo.CellEditorManagerParam);
nv.ResetParams();
idc.SelectedDataValue = savedValue;
}
break;
case "ObjectPicker":
{
object savedValue = idc.SelectedDataValue;
idc.SelectedDataValue = null;
Feng.Windows.Forms.MyObjectPicker op = (idc as Feng.Windows.Forms.IWindowControl).Control as Feng.Windows.Forms.MyObjectPicker;
string exp = (string)ParamCreatorHelper.TryGetParam(iInfo.CellEditorManagerParamFilter);
exp = EntityHelper.ReplaceEntity(exp, new EntityHelper.GetReplaceValue(delegate(string paramName)
{
return(GetDataControlValue(paramName, dm).Item2);
}));
op.DropDownControl.DisplayManager.SearchManager.LoadData(SearchExpression.Parse(exp), null);
idc.SelectedDataValue = savedValue;
}
break;
default:
throw new ArgumentException("EventProcess's SelectedDataValueChanged CellEditorManagerType is not support!");
}
//idc.SelectedDataValue = saveValue;
}
}
private static void ReloadNvFromGridCell(EventProcessInfo eventProcessInfo, IDisplayManager dm, Xceed.Grid.Cell cell, string changedDataControlName)
{
string[] columns = eventProcessInfo.ExecuteParam.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string s in columns)
{
Xceed.Grid.Cell iCell = cell.ParentRow.Cells[s];
if (iCell == null)
{
continue;
//throw new ArgumentException("there is no column with name " + s + "!");
}
GridColumnInfo iInfo = iCell.ParentColumn.Tag as GridColumnInfo;
switch (iInfo.CellEditorManager)
{
case "Combo":
case "MultiCombo":
case "FreeCombo":
{
NameValueMapping nv = NameValueMappingCollection.Instance[iInfo.CellEditorManagerParam];
List <string> ls = new List <string>();
foreach (KeyValuePair <string, object> kvp in nv.Params)
{
ls.Add(kvp.Key.Substring(1));
}
if (!ls.Contains(changedDataControlName))
{
continue;
}
iCell.Value = null;
foreach (string key in ls)
{
object o = GetDataCellValue(key, iCell).Item2;
nv.Params["@" + key] = o == null ? System.DBNull.Value : o;
}
NameValueMappingCollection.Instance.Reload(dm.Name, iInfo.CellEditorManagerParam);
// when in grid, we can't use comboBox's DataTableChanged because combobox only created when in edit
System.Data.DataView dv = NameValueMappingCollection.Instance.GetDataSource(dm.Name, iInfo.CellEditorManagerParam, iInfo.CellEditorManagerParamFilter);
if (dv.Count == 1)
{
object toValue = dv[0][NameValueMappingCollection.Instance[iInfo.CellEditorManagerParam].ValueMember];
if (!Feng.Utils.ReflectionHelper.ObjectEquals(iCell.Value, toValue))
{
dm.OnSelectedDataValueChanged(new SelectedDataValueChangedEventArgs(s, iCell));
}
iCell.Value = toValue;
}
iCell.ReadOnly = (dv.Count == 0);
nv.ResetParams();
}
break;
case "ObjectPicker":
{
// Todo: if (!ls.Contains(changedDataControlName))
iCell.Value = null;
Feng.Windows.Forms.MyObjectPicker op = (iCell.CellEditorManager as Feng.Grid.Editors.MyObjectPickerEditor).TemplateControl;
string exp = (string)ParamCreatorHelper.TryGetParam(iInfo.CellEditorManagerParamFilter);
exp = EntityHelper.ReplaceEntity(exp, new EntityHelper.GetReplaceValue(delegate(string paramName)
{
return(GetDataCellValue(paramName, iCell).Item2);
}));
op.DropDownControl.DisplayManager.SearchManager.LoadData(SearchExpression.Parse(exp), null);
}
break;
}
}
}
