protected override void Render(HtmlTextWriter output)
{
Assert.ArgumentNotNull(output, "output");
Item parentItem = this.ParentItem;
if (parentItem != null)
{
this.RenderChildren(output, parentItem);
}
else
{
Sitecore.Web.UI.HtmlControls.DataContext dataContext = this.GetDataContext();
if (dataContext != null)
{
IDataView dataView = dataContext.DataView;
if (dataView != null)
{
Item item2;
Item item3;
string filter = this.GetFilter();
dataContext.GetState(out item2, out item3);
this.Render(output, dataView, filter, item2, item3);
}
}
}
}
private void DataContext_OnChanged(object sender)
{
Sitecore.Web.UI.HtmlControls.DataContext dataContext = this.GetDataContext();
if (dataContext != null)
{
this.UpdateFromDataContext(dataContext);
}
}
private void UpdateFromDataContext(Sitecore.Web.UI.HtmlControls.DataContext dataContext)
{
Assert.ArgumentNotNull(dataContext, "dataContext");
string parameters = dataContext.Parameters;
string filter = dataContext.Filter;
string dataViewName = dataContext.DataViewName;
if (((parameters != this.Parameters) || (filter != this.Filter)) || (dataViewName != this.DataViewName))
{
this.Parameters = parameters;
this.Filter = filter;
this.DataViewName = dataViewName;
SheerResponse.SetAttribute(this.ID + "_Parameters", "value", this.GetParameters());
}
}
protected override void OnLoad(EventArgs e)
{
Assert.ArgumentNotNull(e, "e");
base.OnLoad(e);
Sitecore.Web.UI.HtmlControls.DataContext dataContext = this.GetDataContext();
if (dataContext != null)
{
dataContext.Changed += new Sitecore.Web.UI.HtmlControls.DataContext.DataContextChangedDelegate(this.DataContext_OnChanged);
this.UpdateFromDataContext(dataContext);
Item[] selectedItems = this.GetSelectedItems();
if (selectedItems.Length > 0)
{
dataContext.SetFolder(selectedItems[0].Uri);
}
}
}
private IDataView GetDataView()
{
string dataViewName = this.DataViewName;
if (string.IsNullOrEmpty(dataViewName))
{
Sitecore.Web.UI.HtmlControls.DataContext dataContext = this.GetDataContext();
if (dataContext != null)
{
this.UpdateFromDataContext(dataContext);
}
dataViewName = this.DataViewName;
}
string parameters = this.Parameters;
if (string.IsNullOrEmpty(dataViewName))
{
parameters = WebUtil.GetFormValue(this.ID + "_Parameters");
UrlString str3 = new UrlString(parameters);
dataViewName = str3["dv"];
}
return(DataViewFactory.GetDataView(dataViewName, parameters));
}