protected void checkDataActionEnabled(TableSetting <P> tableSetting, DataActionType actionType)
{
bool isHasRow = this.getView(tableSetting, null, false).Count != 0;
switch (actionType)
{
case DataActionType.Add:
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Update, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Modify, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Delete, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Add, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Fill, true);
break;
case DataActionType.Delete:
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Update, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Modify, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Delete, isHasRow);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Add, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Fill, true);
break;
case DataActionType.Fill:
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Update, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Modify, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Delete, isHasRow);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Add, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Fill, true);
break;
case DataActionType.Modify:
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Update, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Modify, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Delete, isHasRow);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Add, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Fill, true);
break;
case DataActionType.Update:
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Update, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Modify, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Delete, isHasRow);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Add, true);
this.window.SetIsDataActionEnabled(tableSetting, DataActionType.Fill, true);
break;
}
}
// 在 SetIsDataActionEnabled 中设置各个按钮是否可用
void IDataWindow <PagerSetting> .SetIsDataActionEnabled(TableSetting <PagerSetting> tableSetting, DataActionType actionType, bool isEnabled)
{
switch (tableSetting.Name)
{
case "Student":
switch (actionType)
{
case DataActionType.Fill:
this.cmdFill.Enabled = isEnabled;
break;
case DataActionType.Update:
this.cmdSave.Enabled = isEnabled;
break;
}
break;
}
}
protected void bindDataEvent <A> (object target, Type type, string eventName, EventHandlerType eventType, DataActionType actionType, params string[] tableNames) where A : EventArgs
{
#if V3_5 || V4
this.BindEvent <A> (target, type, eventName, eventType,
delegate(object sender, A e)
{
if (null == tableNames)
{
return;
}
List <TableSetting <P> > tableSettings = new List <TableSetting <P> > ( );
foreach (string tableName in tableNames)
{
if (!string.IsNullOrEmpty(tableName) && this.tableSettings.ContainsKey(tableName))
{
TableSetting <P> tableSetting = this.tableSettings[tableName];
tableSetting.FilterRows.Clear( );
tableSetting.FilterAddedRows.Clear( );
tableSetting.FilterDeletedRows.Clear( );
tableSetting.FilterModifiedRows.Clear( );
tableSetting.AddedRows.Clear( );
tableSetting.DeletedRows.Clear( );
tableSetting.ModifiedRows.Clear( );
foreach (DataRowView rowView in this.getView(tableSetting, null, true))
{
tableSetting.FilterRows.Add(rowView.Row);
switch (rowView.Row.RowState)
{
case DataRowState.Added:
tableSetting.FilterAddedRows.Add(rowView.Row);
break;
case DataRowState.Deleted:
tableSetting.FilterDeletedRows.Add(rowView.Row);
break;
case DataRowState.Modified:
tableSetting.FilterModifiedRows.Add(rowView.Row);
break;
}
}
foreach (DataRow row in tableSetting.Table.Rows)
{
switch (row.RowState)
{
case DataRowState.Added:
tableSetting.AddedRows.Add(row);
break;
case DataRowState.Deleted:
tableSetting.DeletedRows.Add(row);
break;
case DataRowState.Modified:
tableSetting.ModifiedRows.Add(row);
break;
}
}
tableSettings.Add(tableSetting);
}
}
switch (actionType)
{
case DataActionType.Fill:
this.fillData(tableSettings.ToArray( ));
break;
case DataActionType.Add:
this.addData(tableSettings.ToArray( ));
break;
case DataActionType.Delete:
this.deleteData(tableSettings.ToArray( ));
break;
case DataActionType.Modify:
this.modifyData(tableSettings.ToArray( ));
break;
case DataActionType.Update:
this.updateData(tableSettings.ToArray( ));
break;
}
foreach (TableSetting <P> tableSetting in tableSettings)
{
this.dataCompleted(tableSetting, actionType);
}
}
);
#else
this.BindEvent <A> (target, type, eventName, eventType, null);
#endif
}
/// <summary>
/// 绑定可以触发 DataTable 数据事件, 比如: Button 的 Click 事件, 当按钮被点击时, 填充 DataTable.
/// </summary>
/// <typeparam name="A">事件的参数类型, 必须从 EventArgs 派生.</typeparam>
/// <param name="target">目标实例, 比如: 窗口上的 Button.</param>
/// <param name="eventName">事件名称, 比如: "Click".</param>
/// <param name="eventType">事件的类型, 比如: EventHandler.</param>
/// <param name="actionType">行为的类型.</param>
/// <param name="tableNames">表格的名称, 与 TableSetting 的 Name 一致.</param>
public void BindDataEvent <A> (object target, string eventName, EventHandlerType eventType, DataActionType actionType, params string[] tableNames) where A : EventArgs
{
this.bindDataEvent <A> (target, null, eventName, eventType, actionType, tableNames);
}
protected virtual void dataCompleted(TableSetting <P> tableSetting, DataActionType actionType)
{
this.setPager(tableSetting, PagerActionType.None, 0);
this.checkDataActionEnabled(tableSetting, actionType);
}
protected override void dataCompleted(TableSetting <P> tableSetting, DataActionType actionType)
{
base.dataCompleted(tableSetting, actionType);
this.window.DataBind(tableSetting, actionType);
}
void IDataWindow <PagerSetting> .SetIsDataActionEnabled(TableSetting <PagerSetting> tableSetting, DataActionType actionType, bool isEnabled)
{
}
