IEnumerable <EditorDataItem> IDataSource.GetEditorDataItems(int currentId, int parentId, string[] keys)
{
var contextId = currentId == 0 ? parentId : currentId; // HACK: workarround to avoid breaking the IDotNetDataSource interface
var editorDataItems = Enumerable.Empty <EditorDataItem>();
IDotNetDataSource dotNetDataSource = AppDomain.CurrentDomain.CreateInstanceAndUnwrap(Helper.GetAssembly(this.AssemblyName).FullName, this.ClassName) as IDotNetDataSource;
if (dotNetDataSource != null)
{
if (dotNetDataSource is IDotNetDataSourceKeyed)
{
((IDotNetDataSourceKeyed)dotNetDataSource).Keys = keys;
}
this.SetProperties(ref dotNetDataSource, contextId);
editorDataItems = dotNetDataSource
.GetEditorDataItems(contextId)
.Select(x => new EditorDataItem()
{
Key = x.Key, Label = x.Value
})
.ToList();
}
return(editorDataItems.Where(x => keys.Contains(x.Key)));
}
IEnumerable <EditorDataItem> IDataSource.GetEditorDataItems(int currentId, int parentId, PageMarker pageMarker, out int total)
{
var contextId = currentId == 0 ? parentId : currentId; // HACK: workarround to avoid breaking the IDotNetDataSource interface
var editorDataItems = Enumerable.Empty <EditorDataItem>();
total = -1;
IDotNetDataSource dotNetDataSource = AppDomain.CurrentDomain.CreateInstanceAndUnwrap(Helper.GetAssembly(this.AssemblyName).FullName, this.ClassName) as IDotNetDataSource;
if (dotNetDataSource != null)
{
this.SetProperties(ref dotNetDataSource, contextId);
if (dotNetDataSource is IDotNetDataSourcePaged)
{
((IDotNetDataSourcePaged)dotNetDataSource).ItemsPerPage = pageMarker.ItemsPerPage;
((IDotNetDataSourcePaged)dotNetDataSource).Page = pageMarker.Page;
editorDataItems = dotNetDataSource
.GetEditorDataItems(contextId)
.Select(x => new EditorDataItem()
{
Key = x.Key, Label = x.Value
})
.ToList();
total = ((IDotNetDataSourcePaged)dotNetDataSource).Total;
}
else
{
editorDataItems = dotNetDataSource
.GetEditorDataItems(contextId)
.Select(x => new EditorDataItem()
{
Key = x.Key, Label = x.Value
})
.ToList();
total = editorDataItems.Count();
editorDataItems = editorDataItems
.Skip(pageMarker.Skip)
.Take(pageMarker.Take);
}
}
return(editorDataItems);
}
private void SetProperties(ref IDotNetDataSource dotNetDataSource, int contextId)
{
foreach (PropertyInfo propertyInfo in dotNetDataSource.GetType().GetProperties().Where(x => this.Properties.Select(y => y.Name).Contains(x.Name)))
{
if (propertyInfo.PropertyType == typeof(string))
{
string propertyValue = this.Properties.Where(x => x.Name == propertyInfo.Name).Single().Value;
if (propertyValue != null)
{
// process any tokens
propertyValue = propertyValue.Replace("$(ContextId)", contextId.ToString());
propertyInfo.SetValue(dotNetDataSource, propertyValue);
}
}
else
{
LogHelper.Warn(typeof(DotNetDataSource), "Unexpected PropertyType, " + propertyInfo.Name + " is not a string");
}
}
}
