protected virtual void InsertChildren(TreeListView.Branch br, int idx)
{
br.Expand();
br.Sort(this.GetBranchComparer());
this.objectList.InsertRange(idx, br.Flatten());
this.RebuildObjectMap(idx);
}
public virtual int GetVisibleDescendentCount(object model)
{
TreeListView.Branch branch = this.GetBranch(model);
if (!((branch != null) && branch.IsExpanded))
{
return(0);
}
return(branch.NumberVisibleDescendents);
}
public virtual int Expand(object model)
{
TreeListView.Branch br = this.GetBranch(model);
if (!((((br != null) && br.CanExpand) && !br.IsExpanded) && br.Visible))
{
return(-1);
}
int objectIndex = this.GetObjectIndex(model);
this.InsertChildren(br, objectIndex + 1);
return(objectIndex);
}
private void AddChild(object model)
{
TreeListView.Branch item = this.Tree.GetBranch(model);
if (item == null)
{
item = this.MakeBranch(model);
}
else
{
item.ParentBranch = this;
}
this.ChildBranches.Add(item);
}
public virtual int Collapse(object model)
{
TreeListView.Branch branch = this.GetBranch(model);
if (!(((branch != null) && branch.IsExpanded) && branch.Visible))
{
return(-1);
}
int numberVisibleDescendents = branch.NumberVisibleDescendents;
branch.Collapse();
int objectIndex = this.GetObjectIndex(model);
this.objectList.RemoveRange(objectIndex + 1, numberVisibleDescendents);
this.RebuildObjectMap(objectIndex + 1);
return(objectIndex);
}
public virtual int RebuildChildren(object model)
{
TreeListView.Branch br = this.GetBranch(model);
if (!((br != null) && br.Visible))
{
return(-1);
}
int numberVisibleDescendents = br.NumberVisibleDescendents;
br.ClearCachedInfo();
int objectIndex = this.GetObjectIndex(model);
if (numberVisibleDescendents > 0)
{
this.objectList.RemoveRange(objectIndex + 1, numberVisibleDescendents);
}
if (br.IsExpanded)
{
this.InsertChildren(br, objectIndex + 1);
}
return(objectIndex);
}
public virtual void RegisterBranch(TreeListView.Branch br)
{
this.mapObjectToBranch[br.Model] = br;
}
public Tree(TreeListView treeView)
{
this.treeView = treeView;
this.trunk = new TreeListView.Branch(null, this, null);
this.trunk.IsExpanded = true;
}
private TreeListView.Branch MakeBranch(object model)
{
TreeListView.Branch br = new TreeListView.Branch(this, this.Tree, model);
this.Tree.RegisterBranch(br);
return(br);
}
public Branch(TreeListView.Branch parent, BrightIdeasSoftware.TreeListView.Tree tree, object model)
{
this.ParentBranch = parent;
this.Tree = tree;
this.Model = model;
}