public string GetDataSourceString(object sourceItem, DataSourceProvideArgs args)
{
UIElement element = sourceItem as UIElement;
if (element == null)
{
return(String.Empty);
}
return(UIElementDataSoure.Parse(element));
}
public string GetDataSourceString(object sourceItem, DataSourceProvideArgs args)
{
foreach (DataSource2 item in _systemDataSource)
{
if (item.SourceItem.Equals(sourceItem))
{
return(item.String);
}
}
return(String.Empty);
}
public bool Validate(string dataSourceString, DataSourceProvideArgs args)
{
if (args == null || args.WindowEntity == null)
{
Debug.Assert(false, "args.WindowEntity 为空");
return(false);
}
WindowEntity window = args.WindowEntity;
return(window.FindFormElementById(dataSourceString) != null);
}
public string GetDisplayString(string dataSourceString, DataSourceProvideArgs args)
{
foreach (SystemDataSoure item in _systemDataSource)
{
if (item.SourceItem.Equals(dataSourceString))
{
return(_language.SystemDataSoureDisplayString + " " + item.Name);
}
}
Debug.Assert(false, "GetDisplayString 没有找到对应的 DataSource");
return(String.Empty);
}
public bool Validate(string dataSourceString, DataSourceProvideArgs args)
{
bool result = false;
foreach (SystemDataSoure item in _systemDataSource)
{
if (item.SourceItem.Equals(dataSourceString))
{
result = true;
}
}
return(result);
}
public string GetDisplayString(string dataSourceString, DataSourceProvideArgs args)
{
if (args == null || args.WindowEntity == null)
{
Debug.Assert(false, "args.WindowEntity 为空");
return(String.Empty);
}
WindowEntity window = args.WindowEntity;
UIElement element = window.FindFormElementById(dataSourceString);
if (element != null)
{
return(_language.UIElementDataSoureDisplayString + " " + element.FullName);
}
else
{
return(String.Empty);
}
}
public string GetDataSourceString(object sourceItem, DataSourceProvideArgs args)
{
Debug.Assert(sourceItem != null, "sourceItem 为 null");
if (sourceItem == null)
{
return(String.Empty);
}
string dataSourceString = String.Empty;
foreach (IDataSourceProvide provide in _provides.Values)
{
dataSourceString = provide.GetDataSourceString(sourceItem, args);
if (String.IsNullOrEmpty(dataSourceString) == false)
{
continue;
}
}
return(dataSourceString);
}
public DataSourceCollection GetAvailableDataSource(DataSourceProvideArgs args)
{
DataSourceCollection collection = new DataSourceCollection();
if (args == null || args.WindowEntity == null)
{
Debug.Assert(false, "args.WindowEntity 为空");
return(collection);
}
WindowEntity window = args.WindowEntity;
foreach (var item in window.GetFormElement())
{
if (item.DataSourceUseable)
{
UIElementDataSoure dataSource = new UIElementDataSoure(item);
collection.Add(dataSource);
}
}
return(collection);
}
public string GetDisplayString(string dataSourceString, DataSourceProvideArgs args)
{
if (DataSourceFormatValidate(dataSourceString) == false)
{
Debug.Assert(false, "dataSourceString 格式不对");
return(String.Empty);
}
string[] strs = dataSourceString.Split(':');
if (strs.Length != 2)
{
Debug.Assert(false, "dataSourceString 格式不对");
return(String.Empty);
}
string prefix = strs[0];
string sourceString = strs[1];
IDataSourceProvide dataSoureProvide = GetDataSoureProvide(prefix);
if (dataSoureProvide == null)
{
return(String.Empty);
}
return(dataSoureProvide.GetDisplayString(sourceString, args));
}
public string RestoreEditorString(string editorString, DataSourceProvideArgs args)
{
return(String.Empty);
}
public string GetEditorString(string dataSourceString, DataSourceProvideArgs args)
{
return(String.Empty);
}
public DataSourceCollection GetAvailableDataSource(DataSourceProvideArgs args)
{
return(_systemDataSource);
}