/// <summary>
/// InitDataControl
/// </summary>
/// <param name="control"></param>
/// <param name="nvcName"></param>
/// <param name="nvNameViewer"></param>
/// <param name="nvNameEditor"></param>
/// <param name="editorFilter"></param>
public static void InitDataControl(INameValueMappingBindingControl control, string nvcName, string nvNameViewer, string nvNameEditor, string editorFilter)
{
if (control == null)
{
throw new ArgumentNullException("control");
}
if (string.IsNullOrEmpty(nvNameViewer))
{
// 如果是 FreeComboBox，则nvNameViewer为空（不需要Datasource进行显示）
nvNameViewer = nvNameEditor;
}
NameValueMapping nvViewer = NameValueMappingCollection.Instance[nvNameViewer];
control.ValueMember = nvViewer.ValueMember;
control.DisplayMember = nvViewer.DisplayMember;
NameValueMapping nvEditor = NameValueMappingCollection.Instance[nvNameEditor];
// 非动态，默认DataSet
if (!nvEditor.IsDynamic)
{
nvcName = null;
}
control.SetDataBinding(nvcName, nvNameViewer, nvNameEditor, editorFilter);
IGridDropdownControl gridControl = control as IGridDropdownControl;
if (gridControl != null)
{
gridControl.VisibleColumns(nvViewer.MemberVisible);
gridControl.AdjustDropDownControlSize();
}
}
/// <summary>
///
/// </summary>
/// <param name="nvName"></param>
/// <param name="value"></param>
/// <returns></returns>
public static string GetMultiString(string nvName, object value)
{
if (value == null)
{
return(string.Empty);
}
NameValueMapping nv = NameValueMappingCollection.Instance[nvName];
string valueMember = nv.ValueMember;
string displayMember = nv.DisplayMember;
string rawText = value.ToString();
StringBuilder sb = new StringBuilder();
string[] ss = rawText.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
bool atFirst = true;
foreach (string s in ss)
{
if (!atFirst)
{
sb.Append(",");
}
atFirst = false;
sb.Append(NameValueMappingCollection.Instance.FindColumn2FromColumn1(nvName, valueMember, displayMember, s));
}
return(sb.ToString());
}
/// <summary>
///
/// </summary>
/// <param name="nvName"></param>
/// <param name="displayText"></param>
/// <returns></returns>
public static object GetMultiValue(string nvName, string displayText)
{
if (string.IsNullOrEmpty(displayText))
{
return(null);
}
NameValueMapping nv = NameValueMappingCollection.Instance[nvName];
string valueMember = nv.ValueMember;
string displayMember = nv.DisplayMember;
string[] ss = displayText.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
bool atFirst = true;
if (ss.Length == 1)
{
return(NameValueMappingCollection.Instance.FindColumn2FromColumn1(nvName, displayMember, valueMember, ss[0]));
}
else
{
StringBuilder sb = new StringBuilder();
foreach (string s in ss)
{
if (!atFirst)
{
sb.Append(",");
}
atFirst = false;
sb.Append(NameValueMappingCollection.Instance.FindColumn2FromColumn1(nvName, displayMember,
valueMember, s));
}
return(sb.ToString());
}
}
protected virtual NameValueList OnGetItems(string name)
{
NameValueMapping nv = NameValueMappingCollection.Instance[name];
if (nv == null)
{
return(null);
}
var dv = NameValueMappingCollection.Instance.GetDataSource(name);
NameValueList ret = new NameValueList {
Name = name, NameValues = new Dictionary <string, string>()
};
foreach (System.Data.DataRowView dvr in dv)
{
ret.NameValues[dvr[nv.ValueMember].ToString()] = dvr[nv.DisplayMember].ToString();
}
return(ret);
}
private static void ReloadNvFromEntity(EventProcessInfo eventProcessInfo, object sender, string changedDataControlName)
{
IDisplayManager dm;
if (sender is IDisplayManager)
{
dm = sender as IDisplayManager;
}
else if (sender is ISearchManager)
{
dm = (sender as ISearchManager).DisplayManager;
}
else
{
return;
}
string[] columns = eventProcessInfo.ExecuteParam.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string s in columns)
{
string dsName = dm.Name;
string nvName = s;
string[] ss = s.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
if (ss.Length > 1)
{
nvName = ss[1];
dsName = ss[0];
}
NameValueMapping nv = NameValueMappingCollection.Instance[nvName];
// 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;
}
foreach (string key in ls)
{
object o = GetEntityValue(key, dm).Item2;
nv.Params["@" + key] = o == null ? System.DBNull.Value : o;
}
NameValueMappingCollection.Instance.Reload(dsName, nvName);
nv.ResetParams();
//switch (iInfo.CellEditorManager)
//{
// case "Combo":
// case "MultiCombo":
// case "FreeCombo":
// {
// }
// break;
// case "ObjectPicker":
// {
// 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 GetEntityValue(paramName, dm).Second;
// }));
// op.DropDownControl.DisplayManager.SearchManager.LoadData(SearchExpression.Parse(exp), null);
// }
// break;
// default:
// throw new ArgumentException("EventProcess's SelectedDataValueChanged CellEditorManagerType is not support!");
//}
}
}
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;
}
}
}
/// <summary>
///
/// </summary>
/// <param name="nvcName"></param>
/// <param name="viewerName"></param>
/// <param name="editorName"></param>
/// <param name="editorFilter"></param>
public void SetDataBinding(string nvcName, string viewerName, string editorName, string editorFilter)
{
if (NameValueMappingCollection.Instance[viewerName].ValueMember !=
NameValueMappingCollection.Instance[editorName].ValueMember)
{
throw new ArgumentException(viewerName + "'s ValueMember and " + editorName + "' ValueMember should be same!", "viewerName");
}
string editTopNvName = NameValueMappingCollection.Instance.FindTopParentNv(editorName);
//if (viewerName != editorName)
//{
// string viewTopNvName = NameValueMappingCollection.Instance.FindTopParentNv(viewerName);
// if (editTopNvName != viewTopNvName)
// {
// throw new ArgumentException(viewerName + "'s TopNv and " + editorName + "' TopNv should be same!");
// }
//}
this.m_nvcName = nvcName;
this.m_editorNvName = editorName;
this.m_layoutName = MyComboBox.GetGridNameForNv(viewerName + "_" + editorName + "_" + editorFilter, true);
this.SetDataBinding(NameValueMappingCollection.Instance.GetDataSource(nvcName, viewerName, string.Empty), string.Empty);
m_editTopNv = NameValueMappingCollection.Instance[editTopNvName];
// more call SetDataBinding
m_editTopNv.DataSourceChanged -= new EventHandler(MyComboBox_DataTableChanged);
m_editTopNv.DataSourceChanged += new EventHandler(MyComboBox_DataTableChanged);
m_editTopNv.DataSourceChanging -= new System.ComponentModel.CancelEventHandler(MyComboBox_DataTableChanging);
m_editTopNv.DataSourceChanging += new System.ComponentModel.CancelEventHandler(MyComboBox_DataTableChanging);
if (viewerName != editorName || !string.IsNullOrEmpty(editorFilter))
{
m_needFilter = true;
m_filterData = NameValueMappingCollection.Instance.GetDataSource(nvcName, editorName, editorFilter);
FilterEditRow();
}
}
