/// <summary>
/// 勾选点击触发
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CheckBox_Click(object sender, RoutedEventArgs e)
{
TreeViewItem item = VisualUpwardSearch <TreeViewItem>(e.OriginalSource as DependencyObject) as TreeViewItem;
if (item != null)
{
item.Focus();
if (tv_Tree.SelectedItem != null)
{
DeptNode tree = (DeptNode)tv_Tree.SelectedItem;
if (lst_SelectedNodes.Find(s => s.Layer == tree.Layer) == null)//同一层级节点不能多选
{
if (tree.IsChecked)
{
lst_SelectedNodes.Add(tree);
}
else
{
lst_SelectedNodes.Remove(tree);
}
SetChildrenChecked(tree, tree.IsChecked);
//SetParentChecked(tree, tree.IsChecked);//暂不勾选父节点
}
else
{
tree.IsChecked = false;
return;
}
}
e.Handled = true;
}
SetText();
}
/// <summary>
/// 勾选子节点
/// </summary>
/// <param name="node"></param>
/// <param name="isChecked"></param>
public void SetChildrenChecked(DeptNode node, bool isChecked)
{
foreach (DeptNode child in node.Nodes)
{
child.IsChecked = isChecked;
if (isChecked)
{
lst_SelectedNodes.Add(child);
}
else
{
lst_SelectedNodes.Remove(child);
}
SetChildrenChecked(child, isChecked);
}
}
/// <summary>
/// 勾选父节点
/// </summary>
/// <param name="node"></param>
/// <param name="isChecked"></param>
public void SetParentChecked(DeptNode node, bool isChecked)
{
if (!string.IsNullOrEmpty(node.ParentDeptNo))
{
DeptNode node_Parent = lst_DeptNode.Find(n => n.DeptNo == node.ParentDeptNo);
if (node_Parent.Nodes.Find(n => n.IsChecked == true) != null)//若父节点的子节点有被勾选的 则勾选父节点
{
node_Parent.IsChecked = true;
SetParentChecked(node_Parent, isChecked);
}
else
{
node_Parent.IsChecked = false;
SetParentChecked(node_Parent, isChecked);
}
}
}