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 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();
}
public GroupSummaryEvaluationEventArgs(
object value,
DataGroup group,
string formatString,
GridViewSummaryItem summaryItem,
IHierarchicalRow parent,
object context)
{
this.formatString = formatString;
this.group = group;
this.value = value;
this.summaryItem = summaryItem;
this.parent = parent;
this.context = context;
}
public Group <GridViewRowInfo> CreateGroup(
object key,
Group <GridViewRowInfo> parent,
params object[] metaData)
{
DataGroup dataGroup = new DataGroup(key, parent, this.owner);
GridViewCreateRowInfoEventArgs e = new GridViewCreateRowInfoEventArgs((GridViewRowInfo)dataGroup.GroupRow, this.owner.MasterViewInfo);
this.owner.OnCreateRowInfo(e);
GridViewGroupRowInfo rowInfo = e.RowInfo as GridViewGroupRowInfo;
if (rowInfo != null && rowInfo != dataGroup.GroupRow)
{
rowInfo.ViewInfo = this.owner.MasterViewInfo;
dataGroup.GroupRow = rowInfo;
}
return((Group <GridViewRowInfo>)dataGroup);
}
protected override Group <GridViewRowInfo> GetGroup(
GroupCollection <GridViewRowInfo> cache,
Group <GridViewRowInfo> newGroup,
Group <GridViewRowInfo> parent,
object key,
int level)
{
GroupDescriptor groupDescriptor = this.CollectionView.GroupDescriptors[level];
DataGroup group = (DataGroup)base.GetGroup(cache, newGroup, parent, key, level);
if (group.GroupDescriptor != null && group.GroupDescriptor != groupDescriptor)
{
group.GroupDescriptor = (GroupDescriptor)null;
group = (DataGroup)this.CollectionView.GroupFactory.CreateGroup(key, parent);
group.GroupBuilder = (GroupBuilder <GridViewRowInfo>) this;
}
group.GroupDescriptor = groupDescriptor;
return((Group <GridViewRowInfo>)group);
}
internal DataGroup FindGroup(DataGroup dataGroup)
{
if (this.data.Groups.Count == 0)
{
return((DataGroup)null);
}
Stack <GroupCollection <GridViewRowInfo> > groupCollectionStack = new Stack <GroupCollection <GridViewRowInfo> >();
groupCollectionStack.Push(this.data.Groups);
while (groupCollectionStack.Count > 0)
{
GroupCollection <GridViewRowInfo> groupCollection = groupCollectionStack.Pop();
int index = groupCollection.IndexOf((Group <GridViewRowInfo>)dataGroup);
if (index >= 0)
{
return(this.data.Groups[index] as DataGroup);
}
foreach (Group <GridViewRowInfo> group in (ReadOnlyCollection <Group <GridViewRowInfo> >)groupCollection)
{
groupCollectionStack.Push(group.Groups);
}
}
return((DataGroup)null);
}
public GroupExpandedEventArgs(DataGroup dataGroup, bool isExpanded)
{
this.dataGroup = dataGroup;
this.isExpanded = isExpanded;
}
public virtual string GetSummary(GridViewDataColumn column)
{
if (column.Index < 0)
{
return(string.Empty);
}
if (this.summaryValueVersion != this.ViewInfo.summaryValueVersion)
{
this.ClearCache();
this.summaryValueVersion = this.ViewInfo.summaryValueVersion;
}
object obj1 = this.Cache[(GridViewColumn)column];
if (obj1 != null)
{
return(obj1.ToString());
}
if (this.summaryRowItem == null)
{
return(string.Empty);
}
StringBuilder stringBuilder = new StringBuilder(16);
foreach (GridViewSummaryItem summaryItem in (Collection <GridViewSummaryItem>) this.summaryRowItem)
{
if (summaryItem.Name == column.Name)
{
DataGroup group = (DataGroup)null;
object obj2 = (object)null;
IHierarchicalRow parent;
if (this.groupRow != null)
{
obj2 = summaryItem.Evaluate((IHierarchicalRow)this.groupRow);
parent = (IHierarchicalRow)this.groupRow;
group = this.groupRow.Group;
}
else if (this.hierarchyRow != null)
{
if (this.hierarchyRow.ActiveView.ChildRows.Count > 0)
{
obj2 = summaryItem.Evaluate((IHierarchicalRow)this.hierarchyRow);
}
parent = (IHierarchicalRow)this.hierarchyRow;
}
else
{
if (this.ViewTemplate.DataView.Count > 0)
{
obj2 = summaryItem.Evaluate((IHierarchicalRow)this.ViewTemplate);
}
parent = (IHierarchicalRow)this.ViewTemplate;
}
string formatString = summaryItem.FormatString;
object obj3 = obj2;
if (!this.suspendGroupSummaryEvaluateEvent)
{
this.suspendGroupSummaryEvaluateEvent = true;
GroupSummaryEvaluationEventArgs args = new GroupSummaryEvaluationEventArgs(obj2, group, summaryItem.FormatString, summaryItem, parent, (object)this);
this.ViewTemplate.EventDispatcher.RaiseEvent <GroupSummaryEvaluationEventArgs>(EventDispatcher.GroupSummaryEvaluate, (object)this.ViewTemplate, args);
formatString = args.FormatString;
obj3 = args.Value;
this.suspendGroupSummaryEvaluateEvent = false;
}
if (obj2 != null)
{
stringBuilder.Append(string.Format(formatString, obj3));
}
}
}
string str = stringBuilder.ToString();
this.Cache[(GridViewColumn)column] = (object)str;
return(str);
}
public bool MoveNext()
{
if (this.groups == null || this.groups.Count == 0)
{
return(false);
}
if (this.currentTraverser == null)
{
this.currentTraverser = new Stack <GroupRowTraverser>();
this.currentTraverser.Push(new GroupRowTraverser(((DataGroup)this.groups[0]).GroupRow));
this.parentGroup = new Stack <DataGroup>();
this.parentGroup.Push((DataGroup)null);
this.currentGroupIndex = new Stack <int>();
this.currentGroupIndex.Push(0);
this.isOnGroupRow = true;
return(true);
}
if (this.parentGroup.Peek() == null && this.groups[this.currentGroupIndex.Peek()].Groups.Count > 0)
{
DataGroup group = (DataGroup)this.groups[this.currentGroupIndex.Peek()];
this.parentGroup.Push(group);
this.currentGroupIndex.Push(0);
this.currentTraverser.Push(new GroupRowTraverser(group.GroupRow));
this.isOnGroupRow = true;
return(true);
}
if (this.parentGroup.Peek() != null && this.parentGroup.Peek().Groups.Count > 0)
{
DataGroup group = this.parentGroup.Peek().Groups[this.currentGroupIndex.Peek()];
this.parentGroup.Push(group);
this.currentGroupIndex.Push(0);
this.currentTraverser.Push(new GroupRowTraverser(group.GroupRow));
this.isOnGroupRow = true;
return(true);
}
if (this.parentGroup.Peek() == null && this.currentGroupIndex.Peek() < this.groups.Count && this.currentGroupIndex.Peek() > 0)
{
DataGroup group = (DataGroup)this.groups[this.currentGroupIndex.Peek()];
this.parentGroup.Push(group);
this.currentGroupIndex.Push(0);
this.currentTraverser.Push(new GroupRowTraverser(group.GroupRow));
this.isOnGroupRow = true;
return(true);
}
if (this.currentTraverser.Peek().MoveNext())
{
this.isOnGroupRow = false;
return(true);
}
if (this.parentGroup.Peek() != null)
{
this.parentGroup.Pop();
this.currentTraverser.Pop();
this.currentGroupIndex.Pop();
}
this.currentGroupIndex.Push(this.currentGroupIndex.Pop() + 1);
for (int index = this.parentGroup.Peek() == null ? this.groups.Count : this.parentGroup.Peek().Groups.Count; this.currentGroupIndex.Count > 0 && this.currentGroupIndex.Peek() >= index; index = this.parentGroup.Peek() == null ? this.groups.Count : this.parentGroup.Peek().Groups.Count)
{
this.parentGroup.Pop();
this.currentTraverser.Pop();
this.currentGroupIndex.Pop();
if (this.currentGroupIndex.Count != 0)
{
this.currentGroupIndex.Push(this.currentGroupIndex.Pop() + 1);
}
else
{
break;
}
}
if (this.parentGroup.Count > 0)
{
if (this.parentGroup.Peek() == null && (this.groups[this.currentGroupIndex.Peek()].Groups.Count > 0 || this.currentGroupIndex.Peek() < this.groups.Count))
{
DataGroup group = (DataGroup)this.groups[this.currentGroupIndex.Peek()];
this.parentGroup.Push(group);
this.currentGroupIndex.Push(0);
this.currentTraverser.Push(new GroupRowTraverser(group.GroupRow));
this.isOnGroupRow = true;
return(true);
}
if (this.parentGroup.Peek() != null && this.parentGroup.Peek().Groups.Count > 0)
{
DataGroup group = this.parentGroup.Peek().Groups[this.currentGroupIndex.Peek()];
this.parentGroup.Push(group);
this.currentGroupIndex.Push(0);
this.currentTraverser.Push(new GroupRowTraverser(group.GroupRow));
this.isOnGroupRow = true;
return(true);
}
}
return(false);
}
