Files
WPFToolkit/Src/Xceed.Wpf.AvalonDock/Controls/DocumentPaneDropAsAnchorableTarget.cs
2024-02-23 07:03:56 -05:00

278 lines
13 KiB
C#

/*************************************************************************************
Extended WPF Toolkit
Copyright (C) 2007-2013 Xceed Software Inc.
This program is provided to you under the terms of the Microsoft Public
License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
For more features, controls, and fast professional support,
pick up the Plus Edition at http://xceed.com/wpf_toolkit
Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
***********************************************************************************/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Media;
using System.Diagnostics;
using Xceed.Wpf.AvalonDock.Layout;
namespace Xceed.Wpf.AvalonDock.Controls
{
internal class DocumentPaneDropAsAnchorableTarget : DropTarget<LayoutDocumentPaneControl>
{
internal DocumentPaneDropAsAnchorableTarget(LayoutDocumentPaneControl paneControl, Rect detectionRect, DropTargetType type)
: base(paneControl, detectionRect, type)
{
_targetPane = paneControl;
}
internal DocumentPaneDropAsAnchorableTarget(LayoutDocumentPaneControl paneControl, Rect detectionRect, DropTargetType type, int tabIndex)
: base(paneControl, detectionRect, type)
{
_targetPane = paneControl;
_tabIndex = tabIndex;
}
LayoutDocumentPaneControl _targetPane;
int _tabIndex = -1;
protected override void Drop(LayoutAnchorableFloatingWindow floatingWindow)
{
ILayoutDocumentPane targetModel = _targetPane.Model as ILayoutDocumentPane;
LayoutDocumentPaneGroup parentGroup;
LayoutPanel parentGroupPanel;
FindParentLayoutDocumentPane(targetModel, out parentGroup, out parentGroupPanel);
switch (Type)
{
case DropTargetType.DocumentPaneDockAsAnchorableBottom:
#region DropTargetType.DocumentPaneDockAsAnchorableBottom
{
if (parentGroupPanel != null &&
parentGroupPanel.ChildrenCount == 1)
parentGroupPanel.Orientation = System.Windows.Controls.Orientation.Vertical;
if (parentGroupPanel != null &&
parentGroupPanel.Orientation == System.Windows.Controls.Orientation.Vertical)
{
parentGroupPanel.Children.Insert(
parentGroupPanel.IndexOfChild(parentGroup != null ? parentGroup : targetModel) + 1,
floatingWindow.RootPanel);
}
else if (parentGroupPanel != null)
{
var newParentPanel = new LayoutPanel() { Orientation = System.Windows.Controls.Orientation.Vertical };
parentGroupPanel.ReplaceChild(parentGroup != null ? parentGroup : targetModel, newParentPanel);
newParentPanel.Children.Add(parentGroup != null ? parentGroup : targetModel);
newParentPanel.Children.Add(floatingWindow.RootPanel);
}
else
{
throw new NotImplementedException();
}
}
break;
#endregion
case DropTargetType.DocumentPaneDockAsAnchorableTop:
#region DropTargetType.DocumentPaneDockAsAnchorableTop
{
if (parentGroupPanel != null &&
parentGroupPanel.ChildrenCount == 1)
parentGroupPanel.Orientation = System.Windows.Controls.Orientation.Vertical;
if (parentGroupPanel != null &&
parentGroupPanel.Orientation == System.Windows.Controls.Orientation.Vertical)
{
parentGroupPanel.Children.Insert(
parentGroupPanel.IndexOfChild(parentGroup != null ? parentGroup : targetModel),
floatingWindow.RootPanel);
}
else if (parentGroupPanel != null)
{
var newParentPanel = new LayoutPanel() { Orientation = System.Windows.Controls.Orientation.Vertical };
parentGroupPanel.ReplaceChild(parentGroup != null ? parentGroup : targetModel, newParentPanel);
newParentPanel.Children.Add(parentGroup != null ? parentGroup : targetModel);
newParentPanel.Children.Insert(0, floatingWindow.RootPanel);
}
else
{
throw new NotImplementedException();
}
}
break;
#endregion
case DropTargetType.DocumentPaneDockAsAnchorableLeft:
#region DropTargetType.DocumentPaneDockAsAnchorableLeft
{
if (parentGroupPanel != null &&
parentGroupPanel.ChildrenCount == 1)
parentGroupPanel.Orientation = System.Windows.Controls.Orientation.Horizontal;
if (parentGroupPanel != null &&
parentGroupPanel.Orientation == System.Windows.Controls.Orientation.Horizontal)
{
parentGroupPanel.Children.Insert(
parentGroupPanel.IndexOfChild(parentGroup != null ? parentGroup : targetModel),
floatingWindow.RootPanel);
}
else if (parentGroupPanel != null)
{
var newParentPanel = new LayoutPanel() { Orientation = System.Windows.Controls.Orientation.Horizontal };
parentGroupPanel.ReplaceChild(parentGroup != null ? parentGroup : targetModel, newParentPanel);
newParentPanel.Children.Add(parentGroup != null ? parentGroup : targetModel);
newParentPanel.Children.Insert(0, floatingWindow.RootPanel);
}
else
{
throw new NotImplementedException();
}
}
break;
#endregion
case DropTargetType.DocumentPaneDockAsAnchorableRight:
#region DropTargetType.DocumentPaneDockAsAnchorableRight
{
if (parentGroupPanel != null &&
parentGroupPanel.ChildrenCount == 1)
parentGroupPanel.Orientation = System.Windows.Controls.Orientation.Horizontal;
if (parentGroupPanel != null &&
parentGroupPanel.Orientation == System.Windows.Controls.Orientation.Horizontal)
{
parentGroupPanel.Children.Insert(
parentGroupPanel.IndexOfChild(parentGroup != null ? parentGroup : targetModel) + 1,
floatingWindow.RootPanel);
}
else if (parentGroupPanel != null)
{
var newParentPanel = new LayoutPanel() { Orientation = System.Windows.Controls.Orientation.Horizontal };
parentGroupPanel.ReplaceChild(parentGroup != null ? parentGroup : targetModel, newParentPanel);
newParentPanel.Children.Add(parentGroup != null ? parentGroup : targetModel);
newParentPanel.Children.Add(floatingWindow.RootPanel);
}
else
{
throw new NotImplementedException();
}
}
break;
#endregion
}
base.Drop(floatingWindow);
}
public override System.Windows.Media.Geometry GetPreviewPath(OverlayWindow overlayWindow, LayoutFloatingWindow floatingWindowModel)
{
Rect targetScreenRect;
ILayoutDocumentPane targetModel = _targetPane.Model as ILayoutDocumentPane;
var manager = targetModel.Root.Manager;
//ILayoutDocumentPane targetModel = _targetPane.Model as ILayoutDocumentPane;
LayoutDocumentPaneGroup parentGroup;
LayoutPanel parentGroupPanel;
if (!FindParentLayoutDocumentPane(targetModel, out parentGroup, out parentGroupPanel))
return null;
//if (targetModel.Parent is LayoutDocumentPaneGroup)
//{
// var parentGroup = targetModel.Parent as LayoutDocumentPaneGroup;
// var documentPaneGroupControl = manager.FindLogicalChildren<LayoutDocumentPaneGroupControl>().First(d => d.Model == parentGroup);
// targetScreenRect = documentPaneGroupControl.GetScreenArea();
//}
//else
//{
// var documentPaneControl = manager.FindLogicalChildren<LayoutDocumentPaneControl>().First(d => d.Model == targetModel);
// targetScreenRect = documentPaneControl.GetScreenArea();
//}
//var parentPanel = targetModel.FindParent<LayoutPanel>();
var documentPaneControl = manager.FindLogicalChildren<FrameworkElement>().OfType<ILayoutControl>().First(d => parentGroup != null ? d.Model == parentGroup : d.Model == parentGroupPanel) as FrameworkElement;
targetScreenRect = documentPaneControl.GetScreenArea();
switch (Type)
{
case DropTargetType.DocumentPaneDockAsAnchorableBottom:
{
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
targetScreenRect.Offset(0.0, targetScreenRect.Height - targetScreenRect.Height / 3.0);
targetScreenRect.Height /= 3.0;
return new RectangleGeometry(targetScreenRect);
}
case DropTargetType.DocumentPaneDockAsAnchorableTop:
{
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
targetScreenRect.Height /= 3.0;
return new RectangleGeometry(targetScreenRect);
}
case DropTargetType.DocumentPaneDockAsAnchorableRight:
{
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
targetScreenRect.Offset(targetScreenRect.Width - targetScreenRect.Width / 3.0, 0.0);
targetScreenRect.Width /= 3.0;
return new RectangleGeometry(targetScreenRect);
}
case DropTargetType.DocumentPaneDockAsAnchorableLeft:
{
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
targetScreenRect.Width /= 3.0;
return new RectangleGeometry(targetScreenRect);
}
}
return null;
}
bool FindParentLayoutDocumentPane(ILayoutDocumentPane documentPane, out LayoutDocumentPaneGroup containerPaneGroup, out LayoutPanel containerPanel)
{
containerPaneGroup = null;
containerPanel = null;
if (documentPane.Parent is LayoutPanel)
{
containerPaneGroup = null;
containerPanel = documentPane.Parent as LayoutPanel;
return true;
}
else if (documentPane.Parent is LayoutDocumentPaneGroup)
{
var currentDocumentPaneGroup = documentPane.Parent as LayoutDocumentPaneGroup;
while (!(currentDocumentPaneGroup.Parent is LayoutPanel))
{
currentDocumentPaneGroup = currentDocumentPaneGroup.Parent as LayoutDocumentPaneGroup;
if (currentDocumentPaneGroup == null)
break;
}
if (currentDocumentPaneGroup == null)
return false;
containerPaneGroup = currentDocumentPaneGroup;
containerPanel = currentDocumentPaneGroup.Parent as LayoutPanel;
return true;
}
return false;
}
}
}