public JisonsTreeIter <T> AddTreeViewItem(JisonsTreeIter <T> parent, T data)
{
this.IsDoSelf = true;
var jti = this.TreeView.AddViewItem(parent.TreeIter, data);
this.IsDoSelf = false;
return(jti);
}
public void AddJisonsTreeIterToParent(JisonsTreeIter <T> jiter)
{
var parentjisonstree = GetParentJisonsTreeIter(jiter);
if (parentjisonstree != null && RootTreeIter.GetTreeViewChildren(parentjisonstree.Data) != null &&
this.RootTreeIter.GetTreeViewChildren(parentjisonstree.Data).FirstOrDefault(i => this.RootTreeIter.GetTreeViewChildren(i).Equals(this.RootTreeIter.GetTreeViewChildren(jiter.Data))) == null)
{
this.RootTreeIter.GetTreeViewChildren(parentjisonstree.Data).Add(jiter.Data);
}
}
/// <summary> 获取指定节点所具有的所有子级数据 JisonsTreeIter<T> </summary>
/// <param name="jiter"></param>
/// <returns></returns>
public IEnumerable <JisonsTreeIter <T> > GetAllChilerenTreeIters(JisonsTreeIter <T> jiter)
{
var children = this.RootTreeIter.GetTreeViewChildren(jiter.Data);
if (children != null && children.Count != 0)
{
foreach (var item in this.RootTreeIter.GetTreeViewChildren(jiter.Data))
{
foreach (var jti in GetAllChilerenTreeIters(this.GetJisonsTreeIter(item)))
{
yield return(jti);
}
}
}
yield return(jiter);
}
/// <summary> 创建子项模版 </summary>
/// <param name="parent"></param>
/// <param name="viewdata"></param>
/// <param name="iscreatself"></param>
private void CreateViewTreeItem(TreeIter parent, T viewdata, JisonsTreeIter <T> jiterself = null)
{
if (jiterself == null)
{
jiterself = this.AddViewItem(parent, viewdata);
}
if (jiterself != null && this.RootTreeIter.GetTreeViewChildren(viewdata) != null)
{
foreach (var childitem in this.RootTreeIter.GetTreeViewChildren(viewdata))
{
if (childitem != null)
{
CreateViewTreeItem(jiterself.TreeIter, childitem);
}
}
}
}
public bool DeleteJisonsTreeIter(JisonsTreeIter <T> jiter)
{
if (JisonsTreeIters.Contains(jiter))
{
var items = GetAllChilerenTreeIters(jiter);
foreach (var item in items)
{
if (item != null)
{
JisonsTreeIters.Remove(item);
}
}
var deletetreeiter = jiter.TreeIter;
return(this.TreeStore.Remove(ref deletetreeiter));
}
return(false);
}
public JisonsTreeIter <T> AddViewItem(TreeIter parent, T data, int position = -1)
{
if (!this.RootTreeIter.CanAddViewItem(data))
{
return(null);
}
var insertiter = parent.Equals(TreeIter.Zero) ? this.TreeStore.AppendNode() : this.TreeStore.InsertNode(parent, position);
var jiter = new JisonsTreeIter <T>(data, insertiter);
this.TreeStore.SetValues(insertiter, this.RootTreeIter.GetData(data).Values);
JisonsTreeIters.Add(jiter);
var expand = this.GetParentExpand(data);
if (expand)
{
// 展开父级
var jtiparent = this.RootTreeIter.GetParentPart(data);
if (jtiparent != null)
{
bool isexpanded = this.RootTreeIter.GetExpanded(jtiparent);
if (isexpanded)
{
this.ExpandToPath(this.GetTreePath(jiter.TreeIter));
}
}
}
//展开子集
//bool isexpanded = this.RootTreeIter.GetExpanded(jiter.Data);
//if (isexpanded)
//{
// this.ExpandToPath(this.GetTreePath(jiter.TreeIter));
//}
return(jiter);
}
public JisonsTreeIter <T> GetParentJisonsTreeIter(JisonsTreeIter <T> jti)
{
var parent = this.GetParentTreeIter(jti.TreeIter);
return(this.GetJisonsTreeIter(parent));
}
public void DeleteTreeViewItem(JisonsTreeIter <T> jti)
{
this.IsDoSelf = true;
this.TreeView.DeleteViewItem(jti.TreeIter);
this.IsDoSelf = false;
}