void Tree_MouseClick(object sender, MouseEventArgs e)
{
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
MenusTree.ShowPopup(Cursor.Position);
}
}
private void AddButton_Click(object sender, EventArgs e)
{
ComboItem selectedItem = (ComboItem)TargetClassPath.SelectedItem;
if (menus_ == null)
{
MessageBox.Show("未取回任何菜单,将按照初次使用进行配置");
menus_ = new List <Menus>();
}
var exist = menus_.FirstOrDefault(m => m.MenuName == txtMenuName.Text.Trim());
if (exist != null)
{
MessageBox.Show("同名菜单已存在");
return;
}
if (selectedItem.Value == 0)
{
Menus targetMenu = new Menus {
MenuName = txtMenuName.Text.Trim(),
MenuPath = string.Empty,
ParentId = 0,
ParentName = string.Empty,
Index = int.Parse(txtIndex.Text.Trim()),
MenuId = menus_.Count + 1
};
MenusTree.Nodes.Add(targetMenu.MenuName);
menus_.Add(targetMenu);
}
else
{
TreeNode parentNode = MenusTree.SelectedNode;
if (parentNode == null)
{
MessageBox.Show("添加2级菜单之前请先选择要添加的根节点位置");
return;
}
Menus parentMenu = menus_.Find(p => p.ParentName == parentNode.Text);
if (parentMenu != null && parentMenu.ParentId != 0)
{
MessageBox.Show("不能使用2级菜单作为根节点");
return;
}
Menus targetMenu = new Menus {
MenuName = txtMenuName.Text.Trim(),
MenuPath = selectedItem.ToString(),
ParentId = menus_.Find(p => p.MenuName == parentNode.Text).Id,
ParentName = parentNode.Text,
Index = int.Parse(txtIndex.Text.Trim()),
MenuId = menus_.Count + 1
};
parentNode.Nodes.Add(targetMenu.MenuName);
menus_.Add(targetMenu);
}
MenusTree.ExpandAll();
}