private void Item_MoveIn(SeparablePanelItem sender, int index = 0)
{
if (Children.Contains(indicator))
{
DockPanel.SetDock(sender, indicator.InsertMode);
Children.Insert(Children.IndexOf(indicator), sender);
Children.Remove(indicator);
}
else
{
Children.Insert(index, sender);
}
}
private bool Item_Move(SeparablePanelItem sender, bool is_enter)
{
if (Children.Contains(indicator))
{
Point p = Mouse.GetPosition(indicator);
if (indicator.InsertMode == Dock.Left && (p.X < 0 || range <= p.X))
{
Children.Remove(indicator);
}
else if (indicator.InsertMode == Dock.Right && (p.X < indicator.ActualWidth - range || indicator.ActualWidth <= p.X))
{
Children.Remove(indicator);
}
else if (indicator.InsertMode == Dock.Top && (p.Y < 0 || range <= p.Y))
{
Children.Remove(indicator);
}
else if (indicator.InsertMode == Dock.Bottom && (p.Y < indicator.ActualHeight - range || indicator.ActualHeight <= p.Y))
{
Children.Remove(indicator);
}
else
{
return(true);
}
}
if (!is_enter)
{
return(false);
}
#region 判断鼠标在哪个子面板中
for (int i = 0; i < Children.Count; ++i)
{
FrameworkElement item = Children[i] as FrameworkElement;
if (item.Visibility != Visibility.Visible)
{
continue;
}
bool isLast = i == Children.Count - 1;
if (sender.Orientation == Orientation.Vertical)
{
Dock dock = DockPanel.GetDock(item);
Point p = Mouse.GetPosition(item);
if (p.Y < 0 || item.ActualHeight <= p.Y)
{
continue;
}
indicator.Width = sender.ActualWidth;
indicator.Height = double.NaN;
if (0 <= p.X && p.X < range)
{
if (dock == Dock.Right)
{
indicator.InsertMode = isLast ? Dock.Left : Dock.Right;
Children.Insert(Children.IndexOf(item) + (isLast ? 0 : 1), indicator);
}
else
{
indicator.InsertMode = Dock.Left;
Children.Insert(Children.IndexOf(item), indicator);
}
return(true);
}
else if (item.ActualWidth - range <= p.X && p.X < item.ActualWidth)
{
if (dock == Dock.Left)
{
indicator.InsertMode = isLast ? Dock.Right : Dock.Left;
Children.Insert(Children.IndexOf(item) + (isLast ? 0 : 1), indicator);
}
else
{
indicator.InsertMode = Dock.Right;
Children.Insert(Children.IndexOf(item), indicator);
}
return(true);
}
}
else if (sender.Orientation == Orientation.Horizontal)
{
Dock dock = DockPanel.GetDock(item);
Point p = Mouse.GetPosition(item);
if (p.X < 0 || item.ActualWidth <= p.X)
{
continue;
}
indicator.Height = sender.ActualHeight;
indicator.Width = double.NaN;
if (0 <= p.Y && p.Y < range)
{
if (dock == Dock.Bottom)
{
indicator.InsertMode = isLast ? Dock.Top : Dock.Bottom;
Children.Insert(Children.IndexOf(item) + (isLast ? 0 : 1), indicator);
}
else
{
indicator.InsertMode = Dock.Top;
Children.Insert(Children.IndexOf(item), indicator);
}
return(true);
}
else if (item.ActualHeight - range <= p.Y && p.Y < item.ActualHeight)
{
if (dock == Dock.Top)
{
indicator.InsertMode = isLast ? Dock.Bottom : Dock.Top;
Children.Insert(Children.IndexOf(item) + (isLast ? 0 : 1), indicator);
}
else
{
indicator.InsertMode = Dock.Bottom;
Children.Insert(Children.IndexOf(item), indicator);
}
return(true);
}
}
}
return(false);
#endregion
}
private void Item_MoveOut(SeparablePanelItem sender)
{
Children.Remove(sender);
}