protected void CadObjectTree_MouseDown(object sender, MouseButtonEventArgs e)
{
Point p = e.GetPosition(this);
int idx = (int)(p.Y / mItemHeight);
if (!ShowRoot)
{
idx++;
}
CadObjTreeItem item = mRoot.GetAt(idx);
if (item == null)
{
return;
}
if (e.RightButton == MouseButtonState.Pressed)
{
mRoot.ForEachAll((v) => {
v.IsChecked = false;
});
item.IsChecked = true;
OnCheckChanged(item);
if (ItemCommand != null)
{
mContextMenu.Items.Clear();
List <MenuItem> list = item.GetContextMenuItems();
if (list != null)
{
foreach (MenuItem m in list)
{
SetupContextMenuItem(m);
mContextMenu.Items.Add(m);
}
}
if (mContextMenu.Items.Count > 0)
{
ContextMenu = mContextMenu;
}
else
{
ContextMenu = null;
}
base.OnMouseDown(e);
}
}
else
{
if (!CadKeyboard.IsCtrlKeyDown())
{
mRoot.ForEachAll((v) => {
v.IsChecked = false;
});
}
int level = item.GetLevel();
if (item.Children != null)
{
if (p.X > (level) * mIndentSize)
{
item.IsChecked = item.IsChecked == false;
OnCheckChanged(item);
}
else
{
item.IsExpand = item.IsExpand == false;
RecalcSize();
}
}
else
{
item.IsChecked = item.IsChecked == false;
OnCheckChanged(item);
}
}
InvalidateVisual();
}
