private void _InitDragItem()
{
LayoutGroup group;
IDockElement ele;
var mouseP = DockHelper.GetMousePosition(DockManager);
switch (_dragItem.DockMode)
{
case DockMode.Normal:
if (_dragItem.RelativeObj is ILayoutGroup)
{
var _layoutGroup = _dragItem.RelativeObj as LayoutGroup;
#region AttachObj
var _parent = _layoutGroup.View.DockViewParent as LayoutGroupPanel;
var _mode = _parent.Direction == Direction.Horizontal ? AttachMode.Left : AttachMode.Top;
if (_parent.Direction == Direction.None)
{
_mode = AttachMode.None;
}
var _index = _parent.IndexOf(_layoutGroup.View);
if (_parent.Children.Count - 1 > _index)
{
_layoutGroup.AttachObj = new AttachObject(_layoutGroup, _parent.Children[_index + 2] as INotifyDisposable, _index, _mode);
}
else
{
_layoutGroup.AttachObj = new AttachObject(_layoutGroup, _parent.Children[_index - 2] as INotifyDisposable, _index, _mode);
}
#endregion
//这里移动的一定是AnchorSideGroup，故将其从父级LayoutGroupPanel移走，但不Dispose留着构造浮动窗口
if ((_layoutGroup.View as ILayoutGroupControl).TryDeatchFromParent(false))
{
//注意重新设置Mode
(_layoutGroup as BaseLayoutGroup).Mode = DockMode.Float;
_dragWnd = new AnchorGroupWindow(DockManager)
{
Left = mouseP.X - _dragItem.ClickPos.X - 1,
Top = mouseP.Y - _dragItem.ClickPos.Y - 1
};
_dragWnd.AttachChild(_layoutGroup.View, AttachMode.None, 0);
_dragWnd.Show();
}
}
else if (_dragItem.RelativeObj is IDockElement)
{
ele = _dragItem.RelativeObj as IDockElement;
#region AttachObj
var _parent = (ele.Container as LayoutGroup).View as BaseGroupControl;
var _index = ele.Container.IndexOf(ele);
#endregion
if (ele.IsDocument)
{
group = new LayoutDocumentGroup(DockMode.Float, DockManager);
}
else
{
group = new LayoutGroup(ele.Side, DockMode.Float, DockManager);
group.AttachObj = new AttachObject(group, _parent, _index);
}
//先从逻辑父级中移除
ele.Container.Detach(ele);
//再加入新的逻辑父级
group.Attach(ele);
//创建新的浮动窗口，并初始化位置
if (ele.IsDocument)
{
_dragWnd = new DocumentGroupWindow(DockManager);
_dragWnd.AttachChild(new LayoutDocumentGroupControl(group), AttachMode.None, 0);
_dragWnd.Top = mouseP.Y - _dragItem.ClickPos.Y;
_dragWnd.Left = mouseP.X - _dragItem.ClickPos.X - _dragItem.ClickRect.Left - Constants.DocumentWindowPadding;
}
else
{
_dragWnd = new AnchorGroupWindow(DockManager)
{
NeedReCreate = _dragItem.DragMode == DragMode.Anchor
};
_dragWnd.AttachChild(new AnchorSideGroupControl(group)
{
IsDraggingFromDock = _dragItem.DragMode == DragMode.Anchor
}, AttachMode.None, 0);
if (!_dragWnd.NeedReCreate)
{
_dragWnd.Top = mouseP.Y - _dragItem.ClickPos.Y;
_dragWnd.Left = mouseP.X - _dragItem.ClickPos.X - _dragItem.ClickRect.Left - Constants.DocumentWindowPadding;
}
else
{
_dragWnd.Top = mouseP.Y + _dragItem.ClickPos.Y - _dragWnd.Height;
_dragWnd.Left = mouseP.X - _dragItem.ClickPos.X - Constants.DocumentWindowPadding;
}
}
if (_dragWnd is DocumentGroupWindow)
{
_dragWnd.Recreate();
}
_dragWnd.Show();
}
break;
case DockMode.DockBar:
//这里表示从自动隐藏窗口进行的拖动，因此这里移除自动隐藏窗口
ele = _dragItem.RelativeObj as IDockElement;
ele.Container.Detach(ele);
//创建新的浮动窗口，并初始化位置
group = new LayoutGroup(ele.Side, DockMode.Float, DockManager);
group.Attach(ele);
_dragWnd = new AnchorGroupWindow(DockManager)
{
Left = mouseP.X - _dragItem.ClickPos.X - 1,
Top = mouseP.Y - _dragItem.ClickPos.Y - 1
};
_dragWnd.AttachChild(new AnchorSideGroupControl(group), AttachMode.None, 0);
_dragWnd.Show();
break;
case DockMode.Float:
if (_dragItem.RelativeObj is IDockElement)
{
ele = _dragItem.RelativeObj as IDockElement;
var ctrl = ele.Container.View as BaseGroupControl;
if (ctrl.Items.Count == 1 && ctrl.Parent is BaseFloatWindow)
{
_dragWnd = ctrl.Parent as BaseFloatWindow;
_dragWnd.DetachChild(ctrl);
_dragWnd.Close();
_dragWnd = new DocumentGroupWindow(DockManager);
_dragWnd.AttachChild(ctrl, AttachMode.None, 0);
_dragWnd.Top = mouseP.Y - _dragItem.ClickPos.Y;
_dragWnd.Left = mouseP.X - _dragItem.ClickPos.X - _dragItem.ClickRect.Left - Constants.DocumentWindowPadding;
_dragWnd.Recreate();
_dragWnd.Show();
}
else
{
#region AttachObj
var _parent = (ele.Container as LayoutGroup).View as BaseGroupControl;
var _index = ele.Container.IndexOf(ele);
#endregion
if (ele.IsDocument)
{
group = new LayoutDocumentGroup(DockMode.Float, DockManager);
}
else
{
group = new LayoutGroup(ele.Side, DockMode.Float, DockManager);
group.AttachObj = new AttachObject(group, _parent, _index);
}
//先从逻辑父级中移除
ele.Container.Detach(ele);
//再加入新的逻辑父级
group.Attach(ele);
//创建新的浮动窗口，并初始化位置
//这里可知引起drag的时DragTabItem故这里创建临时的DragTabWindow
if (ele.IsDocument)
{
_dragWnd = new DocumentGroupWindow(DockManager);
_dragWnd.AttachChild(new LayoutDocumentGroupControl(group), AttachMode.None, 0);
_dragWnd.Top = mouseP.Y - _dragItem.ClickPos.Y;
_dragWnd.Left = mouseP.X - _dragItem.ClickPos.X - _dragItem.ClickRect.Left - Constants.DocumentWindowPadding;
}
else
{
_dragWnd = new AnchorGroupWindow(DockManager)
{
NeedReCreate = _dragItem.DragMode == DragMode.Anchor
};
_dragWnd.AttachChild(new AnchorSideGroupControl(group)
{
IsDraggingFromDock = _dragItem.DragMode == DragMode.Anchor
}, AttachMode.None, 0);
if (!_dragWnd.NeedReCreate)
{
_dragWnd.Top = mouseP.Y - _dragItem.ClickPos.Y;
_dragWnd.Left = mouseP.X - _dragItem.ClickPos.X - _dragItem.ClickRect.Left - Constants.DocumentWindowPadding;
}
else
{
_dragWnd.Top = mouseP.Y + _dragItem.ClickPos.Y - _dragWnd.Height;
_dragWnd.Left = mouseP.X - _dragItem.ClickPos.X - Constants.DocumentWindowPadding;
}
}
if (_dragWnd is DocumentGroupWindow)
{
_dragWnd.Recreate();
}
_dragWnd.Show();
}
}
else if (_dragItem.RelativeObj is ILayoutGroup)
{
group = _dragItem.RelativeObj as LayoutGroup;
//表示此时的浮动窗口为IsSingleMode
if (group.View.DockViewParent == null)
{
_dragWnd = (group.View as BaseGroupControl).Parent as BaseFloatWindow;
}
else
{
#region AttachObj
var _parent = group.View.DockViewParent as LayoutGroupPanel;
var _mode = _parent.Direction == Direction.Horizontal ? AttachMode.Left : AttachMode.Top;
if (_parent.Direction == Direction.None)
{
_mode = AttachMode.None;
}
var _index = _parent.IndexOf(group.View);
if (_parent.Children.Count - 1 > _index)
{
group.AttachObj = new AttachObject(group, _parent.Children[_index + 2] as INotifyDisposable, _index, _mode);
}
else
{
group.AttachObj = new AttachObject(group, _parent.Children[_index - 2] as INotifyDisposable, _index, _mode);
}
#endregion
//这里移动的一定是AnchorSideGroup，故将其从父级LayoutGroupPanel移走，但不Dispose留着构造浮动窗口
if ((group.View as ILayoutGroupControl).TryDeatchFromParent(false))
{
_dragWnd = new AnchorGroupWindow(DockManager)
{
Left = mouseP.X - _dragItem.ClickPos.X - 1,
Top = mouseP.Y - _dragItem.ClickPos.Y - 1
};
_dragWnd.AttachChild(group.View, AttachMode.None, 0);
_dragWnd.Show();
}
}
}
break;
}
}
internal void OnMouseMove()
{
if (Keyboard.Modifiers == ModifierKeys.Control)
{
DockManager.LayoutRootPanel.RootGroupPanel?.HideDropWindow();
DragTarget = null;
return;
}
bool flag = false;
_mouseP = DockHelper.GetMousePosition(DockManager);
foreach (var wnd in DockManager.Windows.Where(w => w is BaseFloatWindow).Cast <BaseFloatWindow>())
{
if (wnd != _dragWnd &&
wnd.RestoreBounds.Contains(_mouseP) &&
!(wnd is DocumentGroupWindow && _dragItem.DragMode == DragMode.Anchor) &&
!(wnd is AnchorGroupWindow && _dragItem.DragMode == DragMode.Document))
{
//if (wnd is DocumentGroupWindow)
// if (DockManager.IsBehindToMainWindow(wnd))
// continue;
var lflag = false;
if (!DockManager.IsAtWindowsIndex(wnd, 1))
{
//DockManager.MoveFloatTo(wnd);
lflag = true;
}
else if (DockManager.IsBehindToMainWindow(wnd))
{
lflag = true;
}
if (lflag)
{
Win32Helper.BringWindowToTop(wnd.Handle);
Win32Helper.BringWindowToTop(_dragWnd.Handle);
DockManager.UpdateWindowZOrder();
}
wnd.HitTest(_mouseP);
DockManager.LayoutRootPanel.RootGroupPanel.HideDropWindow();
flag = true;
break;
}
}
if (!flag)
{
var p = DockHelper.GetMousePositionRelativeTo(DockManager.LayoutRootPanel.RootGroupPanel);
if (p.X >= 0 && p.Y >= 0 &&
p.X <= _rootSize.Width &&
p.Y <= _rootSize.Height)
{
if (_dragItem.DragMode != DragMode.Document)
{
DockManager.LayoutRootPanel.RootGroupPanel?.ShowDropWindow();
DockManager.LayoutRootPanel.RootGroupPanel?.Update(_mouseP);
}
VisualTreeHelper.HitTest(DockManager.LayoutRootPanel.RootGroupPanel, _HitFilter, _HitRessult, new PointHitTestParameters(p));
}
else
{
if (_dragItem.DragMode != DragMode.Document)
{
DockManager.LayoutRootPanel.RootGroupPanel?.HideDropWindow();
}
DragTarget = null;
}
}
}
internal void OnMouseMove()
{
if (Keyboard.Modifiers == ModifierKeys.Control)
{
DockManager.LayoutRootPanel.RootGroupPanel?.HideDropWindow();
DragTarget = null;
return;
}
bool flag = false;
_mouseP = DockHelper.GetMousePosition(DockManager);
foreach (var wnd in DockManager.FloatWindows)
{
if (wnd != _dragWnd &&
wnd.RestoreBounds.Contains(_mouseP) &&
!(wnd is DocumentGroupWindow && _dragItem.DragMode == DragMode.Anchor) &&
!(wnd is AnchorGroupWindow && _dragItem.DragMode == DragMode.Document))
{
if (wnd is DocumentGroupWindow)
{
if (DockManager.IsBehindToMainWindow(wnd))
{
continue;
}
}
if (wnd != DockManager.FloatWindows.First())
{
DockManager.MoveFloatTo(wnd);
Application.Current.Dispatcher.InvokeAsync(() =>
{
Win32Helper.BringWindowToTop(wnd.Handle);
Win32Helper.BringWindowToTop(_dragWnd.Handle);
}, DispatcherPriority.Background);
}
wnd.HitTest(_mouseP);
DockManager.LayoutRootPanel.RootGroupPanel.HideDropWindow();
flag = true;
break;
}
}
if (!flag)
{
var p = DockHelper.GetMousePositionRelativeTo(DockManager.LayoutRootPanel.RootGroupPanel);
if (p.X >= 0 && p.Y >= 0 &&
p.X <= _rootSize.Width &&
p.Y <= _rootSize.Height)
{
if (_dragItem.DragMode != DragMode.Document)
{
DockManager.LayoutRootPanel.RootGroupPanel?.ShowDropWindow();
DockManager.LayoutRootPanel.RootGroupPanel?.Update(_mouseP);
}
VisualTreeHelper.HitTest(DockManager.LayoutRootPanel.RootGroupPanel, _HitFilter, _HitRessult, new PointHitTestParameters(p));
}
else
{
if (_dragItem.DragMode != DragMode.Document)
{
DockManager.LayoutRootPanel.RootGroupPanel?.HideDropWindow();
}
DragTarget = null;
}
}
}