protected override void OnDrawNode(DrawTreeNodeEventArgs e)
{
if (e.Bounds.Height <= 0)
{
return;
}
TreeMenuNode node = (TreeMenuNode)e.Node;
//DrawMenuNode(node);
DrawMenuNode(e.Graphics, e.Bounds, (TreeMenuNode)e.Node, GetMenuState(e.State));
}
private void AddMenu(TreeMenuNode parent, IList<JToken> menus)
{
try
{
if (parent == null)
{
string menuStr = File.ReadAllText(Path.Combine(Application.StartupPath, @"../../mainMenu/mainMenu.txt"));
JObject menuObj = JObject.Parse(menuStr);
menus = menuObj["menus"].Children().ToList();
}
foreach (JToken ret in menus)
{
if (ret["children"] != null)
{
IList<JToken> subMenus = ret["children"].Children().ToList();
MainMenuTag menuTag = JsonConvert.DeserializeObject<MainMenuTag>(ret.ToString());
menuTag.Type = MenuType.Folder;
TreeMenuNode newNode = new TreeMenuNode(menuTag.Name, MenuType.Folder);
newNode.Tag = menuTag;
if(parent == null)
{
mainMenu.Nodes.Add(newNode);
}
else
{
parent.Nodes.Add(newNode);
}
AddMenu(newNode, subMenus);
}
else
{
MainMenuTag menuTag = JsonConvert.DeserializeObject<MainMenuTag>(ret.ToString());
menuTag.Type = MenuType.Leaf;
TreeMenuNode newNode = new TreeMenuNode(menuTag.Name, MenuType.Leaf);
newNode.Tag = menuTag;
if (parent == null)
{
mainMenu.Nodes.Add(newNode);
}
else
{
parent.Nodes.Add(newNode);
}
}
}
}
catch (System.Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
private void DrawFolder(Graphics g, Rectangle rect, TreeMenuNode node, MenuState state)
{
Color colorFrom = GetGrandientColor(state, true, true);
Color colorTo = GetGrandientColor(state, true, false);
Brush br = new LinearGradientBrush(rect, colorFrom, colorTo, LinearGradientMode.Vertical);
g.FillRectangle(br, rect.X, rect.Y, rect.Width, rect.Height);
br.Dispose();
if (node.Text.Length > 0)
{
g.DrawString(node.Text, node.TreeView.Font, Brushes.Black, 10 + node.Level * 15, 10 + rect.Y);
}
}
//protected override void OnNodeMouseHover(TreeNodeMouseHoverEventArgs e)
//{
// base.OnNodeMouseHover(e);
// TreeMenuNode node = (TreeMenuNode)e.Node;
//}
#endregion
private void DrawMenuNode(Graphics g, Rectangle rect, TreeMenuNode node, MenuState state)
{
if (node.Type == MenuType.Invalid)
{
return;
}
if (node.Type == MenuType.Folder)
{
DrawFolder(g, rect, node, state);
}
else if (node.Type == MenuType.Leaf)
{
DrawLeaf(g, rect, node, state);
}
}
private void DrawLeaf(Graphics g, Rectangle rect, TreeMenuNode node, MenuState state)
{
Color colorFrom = GetGrandientColor(state, false, true);
Color colorTo = GetGrandientColor(state, false, false);
Brush br = new LinearGradientBrush(rect,
colorFrom,
colorTo,
90f);
g.FillRectangle(br, rect.X, rect.Y, rect.Width, rect.Height);
br.Dispose();
if (node.Text.Length > 0)
{
g.DrawString(node.Text, node.TreeView.Font, Brushes.Black, 10 + node.Level * 15, 10 + rect.Y);
}
}
//protected override void OnNodeMouseHover(TreeNodeMouseHoverEventArgs e)
//{
// base.OnNodeMouseHover(e);
// TreeMenuNode node = (TreeMenuNode)e.Node;
//}
#endregion
private void DrawMenuNode(Graphics g, Rectangle rect, TreeMenuNode node, MenuState state)
{
if (node.Type == MenuType.Invalid) return;
if (node.Type == MenuType.Folder)
{
DrawFolder(g, rect, node, state);
}
else if (node.Type == MenuType.Leaf)
{
DrawLeaf(g, rect, node, state);
}
}
