public void AddItem(LayerItem item)
{
item.Bounds = new Rectangle(0, 0, Width, 19);
item.Index = Items.Count;
Items.Add(item);
Height += 20;
}
public void InsertItem(int index, LayerItem item)
{
item.Bounds = new Rectangle(0, 0, Width, 19);
Items.Insert(index, item);
for (int i = 0; i < Items.Count; ++i)
{
Items[i].Index = i;
}
Height += 20;
}
public void AddItem(string name, bool visible)
{
LayerItem item = new LayerItem();
item.Bounds = new Rectangle(0, 0, Width, 19);
item.Visible = visible;
item.Text = name;
item.Index = Items.Count;
Items.Add(item);
Height += 20;
}
private void LayerControl_DragOver(object sender, DragEventArgs e)
{
Point m = PointToClient(new Point(e.X, e.Y));
drag_x = m.X;
drag_y = m.Y;
foreach (LayerItem li in Items)
{
li.Hover = (m.X > li.Bounds.X && m.Y > li.Bounds.Y &&
m.X < li.Bounds.X + li.Bounds.Width && m.Y < li.Bounds.Y + li.Bounds.Height);
if (li.Hover)
{
hovered_item = li;
}
e.Effect = DragDropEffects.Move;
}
Refresh();
}
private void LayerControl_DragDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(Type))
{
SelectedItem.CanUpdate = true;
LayerItem li = e.Data.GetData(Type) as LayerItem;
if (li != null)
{
HomeIndex = Items.IndexOf(li);
MovedIndex = Items.IndexOf(hovered_item);
if (MovedIndex == -1)
{
return;
}
Items.Remove(li);
Height -= 20;
InsertItem(MovedIndex, li);
if (LayerChanged != null)
{
LayerChanged(this, li);
}
}
}
}