protected override void SetNextSiblingInternal(ItemContainerData sibling, ItemContainerData nextSibling)
{
TreeViewItemContainerData tvSibling = (TreeViewItemContainerData)sibling;
TreeViewItemContainerData lastDescendant = tvSibling.LastDescendant(this);
if (lastDescendant == null)
{
lastDescendant = tvSibling;
}
TreeViewItemContainerData tvItemData = (TreeViewItemContainerData)nextSibling;
TreeViewItemContainerData dragItemChild = tvItemData.FirstChild(this);
base.SetNextSiblingInternal(lastDescendant, nextSibling);
if (dragItemChild != null)
{
MoveSubtree(tvItemData, dragItemChild);
}
SetParent(tvSibling.Parent, tvItemData);
VirtualizingTreeViewItem tvItem = (VirtualizingTreeViewItem)GetItemContainer(tvItemData.Item);
if (tvItem != null)
{
tvItem.UpdateIndent();
}
}
private void MoveSubtree(TreeViewItemContainerData parent, TreeViewItemContainerData child)
{
int num = this.IndexOf(parent.Item);
int siblingIndex = this.IndexOf(child.Item);
bool flag = false;
if (num < siblingIndex)
{
flag = true;
}
TreeViewItemContainerData itemContainerData = parent;
VirtualizingTreeViewItem itemContainer1 = (VirtualizingTreeViewItem)this.GetItemContainer(itemContainerData.Item);
if (Object.op_Inequality((Object)itemContainer1, (Object)null))
{
itemContainer1.UpdateIndent();
}
for (; child != null && child.IsDescendantOf(parent) && itemContainerData != child; child = (TreeViewItemContainerData)this.GetItemContainerData(siblingIndex))
{
base.SetNextSiblingInternal((ItemContainerData)itemContainerData, (ItemContainerData)child);
VirtualizingTreeViewItem itemContainer2 = (VirtualizingTreeViewItem)this.GetItemContainer(child.Item);
if (Object.op_Inequality((Object)itemContainer2, (Object)null))
{
itemContainer2.UpdateIndent();
}
itemContainerData = child;
if (flag)
{
++siblingIndex;
}
}
}
public override void DataBindItem(object item, VirtualizingItemContainer itemContainer)
{
itemContainer.Clear();
if (item != null)
{
VirtualizingTreeViewItemDataBindingArgs args = new VirtualizingTreeViewItemDataBindingArgs();
args.Item = item;
args.ItemPresenter = itemContainer.ItemPresenter == null ? gameObject : itemContainer.ItemPresenter;
args.EditorPresenter = itemContainer.EditorPresenter == null ? gameObject : itemContainer.EditorPresenter;
RaiseItemDataBinding(args);
VirtualizingTreeViewItem treeViewItem = (VirtualizingTreeViewItem)itemContainer;
treeViewItem.CanExpand = args.HasChildren;
treeViewItem.CanEdit = CanEdit && args.CanEdit;
treeViewItem.CanDrag = CanDrag && args.CanDrag;
treeViewItem.CanBeParent = args.CanBeParent;
treeViewItem.CanChangeParent = args.CanChangeParent;
treeViewItem.UpdateIndent();
}
else
{
VirtualizingTreeViewItem treeViewItem = (VirtualizingTreeViewItem)itemContainer;
treeViewItem.CanExpand = false;
treeViewItem.CanEdit = false;
treeViewItem.CanDrag = false;
treeViewItem.CanBeParent = false;
treeViewItem.CanChangeParent = false;
treeViewItem.UpdateIndent();
}
}
public override void DataBindItem(object item, VirtualizingItemContainer itemContainer)
{
itemContainer.Clear();
if (item != null)
{
VirtualizingTreeViewItemDataBindingArgs args = new VirtualizingTreeViewItemDataBindingArgs();
args.Item = item;
args.ItemPresenter = !Object.op_Equality((Object)itemContainer.ItemPresenter, (Object)null) ? itemContainer.ItemPresenter : ((Component)this).get_gameObject();
args.EditorPresenter = !Object.op_Equality((Object)itemContainer.EditorPresenter, (Object)null) ? itemContainer.EditorPresenter : ((Component)this).get_gameObject();
this.RaiseItemDataBinding(args);
VirtualizingTreeViewItem virtualizingTreeViewItem = (VirtualizingTreeViewItem)itemContainer;
virtualizingTreeViewItem.CanExpand = args.HasChildren;
virtualizingTreeViewItem.CanEdit = this.CanEdit && args.CanEdit;
virtualizingTreeViewItem.CanDrag = this.CanDrag && args.CanDrag;
virtualizingTreeViewItem.CanBeParent = args.CanBeParent;
virtualizingTreeViewItem.UpdateIndent();
}
else
{
VirtualizingTreeViewItem virtualizingTreeViewItem = (VirtualizingTreeViewItem)itemContainer;
virtualizingTreeViewItem.CanExpand = false;
virtualizingTreeViewItem.CanEdit = false;
virtualizingTreeViewItem.CanDrag = false;
virtualizingTreeViewItem.UpdateIndent();
}
}
public void UpdateIndent(object obj)
{
VirtualizingTreeViewItem itemContainer = (VirtualizingTreeViewItem)this.GetItemContainer(obj);
if (Object.op_Equality((Object)itemContainer, (Object)null))
{
return;
}
itemContainer.UpdateIndent();
}
public void UpdateIndent(object obj)
{
VirtualizingTreeViewItem item = (VirtualizingTreeViewItem)GetItemContainer(obj);
if (item == null)
{
return;
}
item.UpdateIndent();
}
private void MoveSubtree(TreeViewItemContainerData parent, TreeViewItemContainerData child)
{
int parentSiblingIndex = IndexOf(parent.Item);
int siblingIndex = IndexOf(child.Item);
bool incrementSiblingIndex = false;
if (parentSiblingIndex < siblingIndex)
{
incrementSiblingIndex = true;
}
TreeViewItemContainerData prev = parent;
VirtualizingTreeViewItem tvItem = (VirtualizingTreeViewItem)GetItemContainer(prev.Item);
if (tvItem != null)
{
tvItem.UpdateIndent();
}
while (child != null && child.IsDescendantOf(parent))
{
if (prev == child)
{
break;
}
base.SetNextSiblingInternal(prev, child);
tvItem = (VirtualizingTreeViewItem)GetItemContainer(child.Item);
if (tvItem != null)
{
tvItem.UpdateIndent();
}
prev = child;
if (incrementSiblingIndex)
{
siblingIndex++;
}
child = (TreeViewItemContainerData)GetItemContainerData(siblingIndex);
}
}
public override void DataBindItem(object item, ItemContainerData containerData, VirtualizingItemContainer itemContainer)
{
itemContainer.Clear();
VirtualizingTreeViewItemDataBindingArgs args = new VirtualizingTreeViewItemDataBindingArgs();
args.Item = item;
args.ItemPresenter = itemContainer.ItemPresenter == null ? gameObject : itemContainer.ItemPresenter;
args.EditorPresenter = itemContainer.EditorPresenter == null ? gameObject : itemContainer.EditorPresenter;
RaiseItemDataBinding(args);
VirtualizingTreeViewItem treeViewItem = (VirtualizingTreeViewItem)itemContainer;
treeViewItem.CanExpand = args.HasChildren;
treeViewItem.CanEdit = args.CanEdit;
treeViewItem.CanDrag = args.CanDrag;
treeViewItem.UpdateIndent();
}
protected override void SetPrevSiblingInternal(ItemContainerData sibling, ItemContainerData prevSibling)
{
TreeViewItemContainerData tvSiblingData = (TreeViewItemContainerData)sibling;
TreeViewItemContainerData tvItemData = (TreeViewItemContainerData)prevSibling;
TreeViewItemContainerData tvDragItemChild = tvItemData.FirstChild(this);
base.SetPrevSiblingInternal(sibling, prevSibling);
if (tvDragItemChild != null)
{
MoveSubtree(tvItemData, tvDragItemChild);
}
SetParent(tvSiblingData.Parent, tvItemData);
VirtualizingTreeViewItem tvItem = (VirtualizingTreeViewItem)GetItemContainer(tvItemData.Item);
if (tvItem != null)
{
tvItem.UpdateIndent();
}
}
protected override void SetPrevSiblingInternal(
ItemContainerData sibling,
ItemContainerData prevSibling)
{
TreeViewItemContainerData itemContainerData1 = (TreeViewItemContainerData)sibling;
TreeViewItemContainerData itemContainerData2 = (TreeViewItemContainerData)prevSibling;
TreeViewItemContainerData child = itemContainerData2.FirstChild(this);
base.SetPrevSiblingInternal(sibling, prevSibling);
if (child != null)
{
this.MoveSubtree(itemContainerData2, child);
}
this.SetParent(itemContainerData1.Parent, itemContainerData2);
VirtualizingTreeViewItem itemContainer = (VirtualizingTreeViewItem)this.GetItemContainer(itemContainerData2.Item);
if (!Object.op_Inequality((Object)itemContainer, (Object)null))
{
return;
}
itemContainer.UpdateIndent();
}
protected override void SetNextSiblingInternal(
ItemContainerData sibling,
ItemContainerData nextSibling)
{
TreeViewItemContainerData itemContainerData1 = (TreeViewItemContainerData)sibling;
TreeViewItemContainerData itemContainerData2 = itemContainerData1.LastDescendant(this) ?? itemContainerData1;
TreeViewItemContainerData itemContainerData3 = (TreeViewItemContainerData)nextSibling;
TreeViewItemContainerData child = itemContainerData3.FirstChild(this);
base.SetNextSiblingInternal((ItemContainerData)itemContainerData2, nextSibling);
if (child != null)
{
this.MoveSubtree(itemContainerData3, child);
}
this.SetParent(itemContainerData1.Parent, itemContainerData3);
VirtualizingTreeViewItem itemContainer = (VirtualizingTreeViewItem)this.GetItemContainer(itemContainerData3.Item);
if (!Object.op_Inequality((Object)itemContainer, (Object)null))
{
return;
}
itemContainer.UpdateIndent();
}
