/// <summary>
/// 清除所有勾选节点
/// </summary>
public virtual void ClearAllCheckBoxSelectedNode()
{
NodesList.BeginUpdate();
foreach (var node in NodesList)
{
if (node.Node != null && node.Node.Item != null)
{
(node.Node.Item as UCheckBoxTreeViewItem).IsCheckBoxOn = false;
}
if (node.Node.Nodes != null && node.Node.Nodes.Count > 0)
{
for (int i = 0; i < node.Node.Nodes.Count; ++i)
{
(node.Node.Nodes[i].Item as UCheckBoxTreeViewItem).IsCheckBoxOn = false;
}
}
}
NodesList.EndUpdate();
}
/// <summary>
/// 处理节点逻辑上的勾选
/// </summary>
/// <param name="_nIndex"></param>
/// <param name="_bCheck"></param>
protected virtual void NodeCBValueChange(int _nIndex, bool _bCheck)
{
//当前开关按钮的节点
var node = NodesList[_nIndex];
NodesList.BeginUpdate();
//数据上改变
(node.Node.Item as UCheckBoxTreeViewItem).IsCheckBoxOn = _bCheck;
//选择父节点时把子节点都选上
//if(node.Node.Nodes != null && node.Node.Nodes.Count > 0)
//{
// for (int i = 0; i < node.Node.Nodes.Count; ++i)
// {
// (node.Node.Nodes[i].Item as UCheckBoxTreeViewItem).IsCheckBoxOn = _bCheck;
// }
//}
//修改父节点的勾选状态
if (node.Node.Parent != null && node.Node.Parent.Item != null)
{
bool _bParentCheck = _bCheck;
{
if (_bCheck == false)
{
for (int i = 0; i < node.Node.Parent.Nodes.Count; ++i)
{
if (node.Node.Parent.Nodes[i].Item.IsCheckBoxOn == true)
{
_bParentCheck = true;
break;
}
}
}
node.Node.Parent.Item.IsCheckBoxOn = _bParentCheck;
}
}
NodesList.EndUpdate();
}