/// <summary>
/// Gets the data source.
/// </summary>
protected override void GetDataSource()
{
if (!this.Page.IsPostBack)
{
using (ResourceDataAccess resourceAccess = new ResourceDataAccess(base.CreateContext()))
{
switch (BrowseBy)
{
case BrowseByCriteria.BrowseByYear:
if (!IsSecurityAwareControl)
{
this._yearRange = resourceAccess.GetYear(null);
}
else if (this.AuthenticatedToken != null)
{
this._yearRange = resourceAccess.GetYear(this.AuthenticatedToken);
}
break;
case BrowseByCriteria.BrowseByAuthors:
if (!IsSecurityAwareControl)
{
this._authorList = resourceAccess.GetAuthors(null).ToList();
}
else if (this.AuthenticatedToken != null)
{
this._authorList = resourceAccess.GetAuthors(this.AuthenticatedToken).ToList();
}
break;
case BrowseByCriteria.BrowseByResourceType:
this._resTypeList = resourceAccess.GetResourceTypes().ToList();
_resTypeList = CoreHelper.FilterSecurityResourceTypes(_resTypeList).ToList();
break;
case BrowseByCriteria.BrowseByCategoryHierarchy:
PopulateRootNodeDropDown();
if (!string.IsNullOrEmpty(RootNodeDropDown.SelectedValue))
{
this._rootCategoryNode = resourceAccess.GetCategoryNodeWithHierarchy(
new Guid(RootNodeDropDown.SelectedValue));
if (IsSecurityAwareControl && _rootCategoryNode != null)
{
_authorizedCategoryNodeIds = GetAuthorizedCategoryNodes(AuthenticatedToken, _rootCategoryNode, resourceAccess);
}
}
break;
}
}
}
}
/// <summary>
/// Handles selected index change event and repopulate tree view based on selection of root node.
/// </summary>
/// <param name="sender">Sender Object</param>
/// <param name="e">Event Arguments</param>
private void RootNodeDropDown_SelectedIndexChanged(object sender, EventArgs e)
{
using (ResourceDataAccess resourceAccess = new ResourceDataAccess(base.CreateContext()))
{
this._rootCategoryNode = resourceAccess.GetCategoryNodeWithHierarchy(
new Guid(RootNodeDropDown.SelectedValue));
if (IsSecurityAwareControl && _rootCategoryNode != null)
{
_authorizedCategoryNodeIds = GetAuthorizedCategoryNodes(AuthenticatedToken, _rootCategoryNode, resourceAccess);
}
}
TreeView.Nodes.Clear();
FillCategoryNodes();
}
