internal void IntoDragAction(DragItem dragItem, bool _isInvokeByFloatWnd = false)
{
DockManager.UpdateWindowZOrder();
_dragItem = dragItem;
//被浮动窗口调用则不需要调用BeforeDrag()
if (_isInvokeByFloatWnd)
{
IsDragging = true;
if (_dragWnd == null)
{
_dragWnd = _dragItem.RelativeObj as BaseFloatWindow;
}
}
else
{
BeforeDrag();
}
//初始化最外层的_rootTarget
_rootSize = DockManager.LayoutRootPanel.RootGroupPanel.TransformActualSizeToAncestor();
if (!_isInvokeByFloatWnd && _dragWnd is DocumentGroupWindow)
{
_dragWnd.Recreate();
}
}
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;
}
}