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