private static void FoldersFirstRecursive(TreeViewItem item)
{
if (!item.hasChildren)
return;
TreeViewItem[] array = item.children.ToArray();
for (int sourceIndex = 0; sourceIndex < item.children.Count; ++sourceIndex)
{
if (array[sourceIndex] != null)
{
if (array[sourceIndex] is AssetsTreeViewDataSource.NonFolderTreeItem)
{
for (int index = sourceIndex + 1; index < array.Length; ++index)
{
if (array[index] is AssetsTreeViewDataSource.FolderTreeItem)
{
TreeViewItem treeViewItem = array[index];
int length = index - sourceIndex;
Array.Copy((Array) array, sourceIndex, (Array) array, sourceIndex + 1, length);
array[sourceIndex] = treeViewItem;
break;
}
}
}
AssetsTreeViewDataSource.FoldersFirstRecursive(array[sourceIndex]);
}
}
item.children = new List<TreeViewItem>((IEnumerable<TreeViewItem>) array);
}
private static void FoldersFirstRecursive(TreeViewItem item)
{
if (!item.hasChildren)
{
return;
}
TreeViewItem[] array = item.children.ToArray();
for (int i = 0; i < item.children.Count; i++)
{
if (array[i] != null)
{
if (array[i] is AssetsTreeViewDataSource.NonFolderTreeItem)
{
for (int j = i + 1; j < array.Length; j++)
{
if (array[j] is AssetsTreeViewDataSource.FolderTreeItem)
{
TreeViewItem treeViewItem = array[j];
int length = j - i;
Array.Copy(array, i, array, i + 1, length);
array[i] = treeViewItem;
break;
}
}
}
AssetsTreeViewDataSource.FoldersFirstRecursive(array[i]);
}
}
item.children = new List <TreeViewItem>(array);
}
public override void FetchData()
{
this.m_RootItem = new TreeViewItem(this.m_RootInstanceID, 0, (TreeViewItem) null, AssetsTreeViewDataSource.CreateDisplayName(this.m_RootInstanceID));
if (!this.showRootNode)
this.SetExpanded(this.m_RootItem, true);
IHierarchyProperty hierarchyProperty = (IHierarchyProperty) new HierarchyProperty(HierarchyType.Assets);
hierarchyProperty.Reset();
if (!hierarchyProperty.Find(this.m_RootInstanceID, (int[]) null))
Debug.LogError((object) ("Root Asset with id " + (object) this.m_RootInstanceID + " not found!!"));
int minDepth = hierarchyProperty.depth + (!this.showRootNode ? 1 : 0);
int[] array = this.expandedIDs.ToArray();
Texture2D texture = EditorGUIUtility.FindTexture(EditorResourcesUtility.emptyFolderIconName);
this.m_VisibleRows = new List<TreeViewItem>();
while (hierarchyProperty.NextWithDepthCheck(array, minDepth))
{
if (!this.foldersOnly || hierarchyProperty.isFolder)
{
int depth = hierarchyProperty.depth - minDepth;
TreeViewItem treeViewItem = !hierarchyProperty.isFolder ? (TreeViewItem) new AssetsTreeViewDataSource.NonFolderTreeItem(hierarchyProperty.instanceID, depth, (TreeViewItem) null, hierarchyProperty.name) : (TreeViewItem) new AssetsTreeViewDataSource.FolderTreeItem(hierarchyProperty.instanceID, depth, (TreeViewItem) null, hierarchyProperty.name);
treeViewItem.icon = !hierarchyProperty.isFolder || hierarchyProperty.hasChildren ? hierarchyProperty.icon : texture;
if (hierarchyProperty.hasChildren)
treeViewItem.AddChild((TreeViewItem) null);
this.m_VisibleRows.Add(treeViewItem);
}
}
TreeViewUtility.SetChildParentReferences(this.m_VisibleRows, this.m_RootItem);
if (this.foldersFirst)
{
AssetsTreeViewDataSource.FoldersFirstRecursive(this.m_RootItem);
this.m_VisibleRows.Clear();
this.GetVisibleItemsRecursive(this.m_RootItem, this.m_VisibleRows);
}
this.m_NeedRefreshVisibleFolders = false;
this.m_TreeView.SetSelection(Selection.instanceIDs, false);
}
public override void FetchData()
{
int depth = 0;
this.m_RootItem = new TreeViewItem(this.m_RootInstanceID, depth, null, AssetsTreeViewDataSource.CreateDisplayName(this.m_RootInstanceID));
if (!base.showRootNode)
{
this.SetExpanded(this.m_RootItem, true);
}
IHierarchyProperty hierarchyProperty = new HierarchyProperty(HierarchyType.Assets);
hierarchyProperty.Reset();
if (!hierarchyProperty.Find(this.m_RootInstanceID, null))
{
Debug.LogError("Root Asset with id " + this.m_RootInstanceID + " not found!!");
}
int num = hierarchyProperty.depth + ((!base.showRootNode) ? 1 : 0);
int[] expanded = base.expandedIDs.ToArray();
Texture2D icon = EditorGUIUtility.FindTexture(EditorResourcesUtility.emptyFolderIconName);
this.m_VisibleRows = new List <TreeViewItem>();
while (hierarchyProperty.NextWithDepthCheck(expanded, num))
{
if (!this.foldersOnly || hierarchyProperty.isFolder)
{
depth = hierarchyProperty.depth - num;
TreeViewItem treeViewItem;
if (hierarchyProperty.isFolder)
{
treeViewItem = new AssetsTreeViewDataSource.FolderTreeItem(hierarchyProperty.instanceID, depth, null, hierarchyProperty.name);
}
else
{
treeViewItem = new AssetsTreeViewDataSource.NonFolderTreeItem(hierarchyProperty.instanceID, depth, null, hierarchyProperty.name);
}
if (hierarchyProperty.isFolder && !hierarchyProperty.hasChildren)
{
treeViewItem.icon = icon;
}
else
{
treeViewItem.icon = hierarchyProperty.icon;
}
if (hierarchyProperty.hasChildren)
{
treeViewItem.AddChild(null);
}
this.m_VisibleRows.Add(treeViewItem);
}
}
TreeViewUtility.SetChildParentReferences(this.m_VisibleRows, this.m_RootItem);
if (this.foldersFirst)
{
AssetsTreeViewDataSource.FoldersFirstRecursive(this.m_RootItem);
this.m_VisibleRows.Clear();
base.GetVisibleItemsRecursive(this.m_RootItem, this.m_VisibleRows);
}
this.m_NeedRefreshVisibleFolders = false;
bool revealSelectionAndFrameLastSelected = false;
this.m_TreeView.SetSelection(Selection.instanceIDs, revealSelectionAndFrameLastSelected);
}
