//-------------------------------------------------------------------------------------
/// <summary>
/// Рисует элементы дерева
/// </summary>
/// <param name="g"></param>
/// <param name="treeView"></param>
/// <param name="item"></param>
/// <param name="r">Ссылка на прямоугольник ячейки. После рисования, он будет изменен!!!!</param>
///// <param name="indentWithoutButton">Определяет, будет ли отступ вместо кнопки, если кнопки нет.</param>
public void DrawTreeElements(Graphics g, SimTreeGridView treeView, ITreeItem item, ref Rectangle r/*,
bool indentWithoutButton = true*/)
{
Rectangle cellBounds = r;
r.X +=2;
r.Width -= 2;
r.X += (int)(treeView.Indent * item.Level);
r.Width -= (int)(treeView.Indent * item.Level);
SimTreeGridView.NodeInfo ci = treeView.view[item];
if(treeView.DrawPlusMinus && ci.hasButton && ci.btnRect == Rectangle.Empty)
ci.btnRect = new Rectangle(r.X - cellBounds.X, r.Y + (r.Height - 9)/2 - cellBounds.Y, 9, 9);
if(treeView.DrawTreeLines)
{
if(item.IsRoot == false)
{
int shift = cellBounds.X + 6;
foreach(ITreeItem i in treeView.Tree.GetParentsItemsList(item))
{
if(i.IsRoot)
continue;
if(i.Level < item.Level)
if(treeView.view[i].IsEndItem == false)
g.DrawLine(SystemPens.ControlDark, shift, r.Y, shift, r.Y + r.Height-1);
shift = shift + treeView.Indent; // cellBounds.X + 6 + treeView.Indent * i.Level;
}
shift = r.X - treeView.Indent + 4;
if(ci.IsEndItem)
g.DrawLine(SystemPens.ControlDark, shift, r.Y, shift, r.Y+r.Height/2-1);
else
g.DrawLine(SystemPens.ControlDark, shift, r.Y, shift, r.Y + r.Height-1);
g.DrawLine(SystemPens.ControlDark, shift, r.Y+r.Height/2-1, shift + 9, r.Y+r.Height/2-1);
}
if(ci.hasButton && ci.btnClose == false)
{
g.DrawLine(SystemPens.ControlDark, r.X + 4, r.Y + r.Height/2, r.X + 4, r.Y + r.Height-1);
}
}
if(treeView.DrawPlusMinus && ci.hasButton)
{
if(ci.btnClose)
g.DrawImage(global::Sim.Controls.Properties.Resources.TreeBtn_Plus, r.X, r.Y + (r.Height - 9)/2);
else
g.DrawImage(global::Sim.Controls.Properties.Resources.TreeBtn_Minus, r.X, r.Y + (r.Height - 9)/2);
}
if((treeView.DrawPlusMinus && ci.hasButton) ||
(((SimTreeGridViewMainColumn)base.OwningColumn).IndentWithoutButton && item.Level == 0))
{
r.X += 11;
r.Width -= 11;
}
}
//-------------------------------------------------------------------------------------
private void ftgvView_NeedChildItems(object sender, SimTreeGridView.SimTreeGridItemEventArgs args)
{
try
{
object obj = ((ViewItem)args.Item.Object).Value;
Type t = obj.GetType();
if(obj is IEnumerable == false || showIEnumProps == true)
{
BindingFlags fl = BindingFlags.Instance | BindingFlags.Public | BindingFlags.GetField | BindingFlags.GetProperty;
if(showNonPublic)
fl |= BindingFlags.NonPublic;
foreach(MemberInfo mi in t.GetMembers(fl))
{
ViewItem i = new ViewItem();
i.Name = mi.Name;
switch(mi.MemberType)
{
case MemberTypes.Field:
i.mi = mi;
i.parObj = obj;
break;
case MemberTypes.Property:
if(((PropertyInfo)mi).GetIndexParameters().Length > 0 )//I i.Name == "Item" || i.Name.EndsWith(".Item"))
continue;
goto case MemberTypes.Field;
default: continue;
}
args.Tree.Add(i, args.Item);
}
}
if(obj is IEnumerable)
{
int c = 0;
foreach(object i in (IEnumerable)obj)
{
ViewItem vi = new ViewItem();
vi.Name = String.Format("[{0}]", c++);
vi.obj = i;
args.Tree.Add(vi, args.Item);
}
}
}
catch(Exception Err)
{
//ModalErrorBox.Show(Err, PanelBack);
ViewItem vi = new ViewItem();
vi.Name = "ERROR";
vi.obj = Err;
args.Tree.Add(vi, args.Item);
}
}
//-------------------------------------------------------------------------------------
/// <summary>
/// Инициализирующий конструктор.
/// </summary>
/// <param name="treeGridView"></param>
public View(SimTreeGridView treeGridView)
: this()
{
treeView = treeGridView;
}
//-------------------------------------------------------------------------------------
private void ftgvView_HasChildItems(object sender, SimTreeGridView.SimTreeGridItemEventArgs args)
{
try
{
Type t = ((ViewItem)args.Item.Object).Type;
if(t != null)
args.HasChildren = !(t.IsPrimitive || t.IsAssignableFrom(typeof(string)) || t.FullName == "System.RuntimeType");
}
catch(Exception Err)
{
ModalErrorBox.Show(Err, PanelBack);
}
}
