示例#1
0
        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;
                }
            }
        }
        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;
                }
            }
        }