private void ThemeView_DragDrop(object sender, DragEventArgs e)
{
// find which theme item be draged
ThemeItem currentItem = (ThemeItem)(e.Data.GetData(typeof(ThemeItem)));
int selectedOrder = GetSelectedOrder(currentItem.ShapeName);
// find mainform
Control control = this;
while (control.Parent != null)
{
control = control.Parent;
}
// 70 is toolStrip and menu's height
int yOffset = (e.Y - control.Location.Y - 70) - currentItem.Location.Y;
int remainder = yOffset % currentItem.Height;
int divider = yOffset / currentItem.Height;
int oneThirdHeight = currentItem.Height / 3;
if (divider < 0 || (remainder > oneThirdHeight && divider > 0))
{
DoDragDropItem(selectedOrder, selectedOrder - divider);
return;
}
if (divider > 1 || (remainder < -oneThirdHeight && divider <= 0))
{
DoDragDropItem(selectedOrder, selectedOrder - divider + 1);
return;
}
}
private void SetupThemeItem(Layer layer)
{
ThemeItem themeItem = new ThemeItem();
themeItem.ShapeName = layer.Name;
themeItem.ItemCheckedChanged += new EventHandler <ShapeEventArgs>(themeItem_ItemCheckedChanged);
themeItem.ItemLinkClicked += new EventHandler <ShapeLinkClickedEventArgs>(themeItem_ItemLinkClicked);
themeItem.ThemeItemClick += new EventHandler <LayerOrderEventArgs>(themeItem_ThemeItemClick);
themeItem.ThemeItemRightClick += new EventHandler <RightClickEventArgs>(themeItem_ThemeItemRightClick);
themeView.Items.Add(layer.Name, themeItem);
}
