protected internal ICollectionView <GridViewRowInfo> LoadHierarchicalData(
GridViewHierarchyRowInfo parent,
ICollectionView <GridViewRowInfo> sourceView)
{
if (this.ViewTemplate.HierarchyDataProvider == null)
{
this.childRows = GridViewChildRowCollection.Empty;
this.version = this.ownerTemplate.DataView.Version;
return((ICollectionView <GridViewRowInfo>)null);
}
IList <GridViewRowInfo> childRows = this.ViewTemplate.HierarchyDataProvider.GetChildRows((GridViewRowInfo)parent, this);
for (int index = 0; index < childRows.Count; ++index)
{
childRows[index].ViewInfo = this;
childRows[index].SetParent((GridViewRowInfo)parent);
}
if (sourceView == null || this.ViewTemplate.IsSelfReference)
{
Dictionary <string, bool> dictionary = new Dictionary <string, bool>();
if (sourceView != null)
{
for (int index = 0; index < sourceView.Groups.Count; ++index)
{
DataGroup group = sourceView.Groups[index] as DataGroup;
string header = group.Header;
if (string.IsNullOrEmpty(header))
{
header = index.ToString();
}
dictionary.Add(header, group.IsExpanded);
}
}
sourceView = (ICollectionView <GridViewRowInfo>) new SnapshotCollectionView <GridViewRowInfo>((IEnumerable <GridViewRowInfo>)childRows, this.ownerTemplate.DataView);
if (this.ownerTemplate.GroupPredicate != null)
{
((SnapshotCollectionView <GridViewRowInfo>)sourceView).GroupPredicate = this.ownerTemplate.GroupPredicate;
}
for (int index = 0; index < sourceView.Groups.Count; ++index)
{
DataGroup group = sourceView.Groups[index] as DataGroup;
string header = group.Header;
if (string.IsNullOrEmpty(header))
{
header = index.ToString();
}
if (dictionary.ContainsKey(header))
{
group.GroupRow.IsExpanded = dictionary[header];
}
}
}
else
{
((SnapshotCollectionView <GridViewRowInfo>)sourceView).Load((IEnumerable <GridViewRowInfo>)childRows);
}
return(sourceView);
}
public GridViewInfo(GridViewTemplate ownerTemplate)
{
this.ownerTemplate = ownerTemplate;
this.pinnedRows = new GridViewPinnedRowCollection(this);
this.summaryRows = new GridViewSummaryRowCollection((IList <GridViewSummaryRowInfo>) new List <GridViewSummaryRowInfo>());
this.systemRows = new GridViewSystemRowCollection(this);
this.childRows = new GridViewChildRowCollection();
this.ownerTemplate.PropertyChanged += new PropertyChangedEventHandler(this.OnTemplatePropertyChanged);
}
public GridViewGroupRowInfo(GridViewInfo gridViewInfo, DataGroup dataGroup)
: base(gridViewInfo)
{
this.topSummaryRowSource = new List <GridViewSummaryRowInfo>();
this.topSummaryRows = new GridViewSummaryRowCollection((IList <GridViewSummaryRowInfo>) this.topSummaryRowSource);
this.bottomSummaryRowSource = new List <GridViewSummaryRowInfo>();
this.bottomSummaryRows = new GridViewSummaryRowCollection((IList <GridViewSummaryRowInfo>) this.bottomSummaryRowSource);
this.ownerGroup = dataGroup;
this.childRows = new GridViewChildRowCollection();
}