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503 lines
27 KiB
503 lines
27 KiB
/*************************************************************************************
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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 DocumentPaneDropTarget : DropTarget<LayoutDocumentPaneControl>
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{
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internal DocumentPaneDropTarget(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 DocumentPaneDropTarget(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(LayoutDocumentFloatingWindow floatingWindow)
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{
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ILayoutDocumentPane targetModel = _targetPane.Model as ILayoutDocumentPane;
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switch (Type)
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{
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case DropTargetType.DocumentPaneDockBottom:
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#region DropTargetType.DocumentPaneDockBottom
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{
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var newLayoutDocumentPane = new LayoutDocumentPane(floatingWindow.RootDocument);
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var parentModel = targetModel.Parent as LayoutDocumentPaneGroup;
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if (parentModel == null)
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{
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var parentContainer = targetModel.Parent as ILayoutContainer;
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var newParentModel = new LayoutDocumentPaneGroup() { Orientation = System.Windows.Controls.Orientation.Vertical};
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parentContainer.ReplaceChild(targetModel, newParentModel);
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newParentModel.Children.Add(targetModel as LayoutDocumentPane);
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newParentModel.Children.Add(newLayoutDocumentPane);
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}
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else
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{
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var manager = parentModel.Root.Manager;
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if (!manager.AllowMixedOrientation || parentModel.Orientation == System.Windows.Controls.Orientation.Vertical)
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{
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parentModel.Orientation = System.Windows.Controls.Orientation.Vertical;
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int targetPaneIndex = parentModel.IndexOfChild(targetModel);
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parentModel.Children.Insert(targetPaneIndex + 1, newLayoutDocumentPane);
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}
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else
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{
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LayoutDocumentPaneGroup newChildGroup = new LayoutDocumentPaneGroup();
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newChildGroup.Orientation = System.Windows.Controls.Orientation.Vertical;
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parentModel.ReplaceChild(targetModel, newChildGroup);
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newChildGroup.Children.Add(targetModel);
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newChildGroup.Children.Add(newLayoutDocumentPane);
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}
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}
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}
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break;
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#endregion
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case DropTargetType.DocumentPaneDockTop:
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#region DropTargetType.DocumentPaneDockTop
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{
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var newLayoutDocumentPane = new LayoutDocumentPane(floatingWindow.RootDocument);
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var parentModel = targetModel.Parent as LayoutDocumentPaneGroup;
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if (parentModel == null)
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{
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var parentContainer = targetModel.Parent as ILayoutContainer;
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var newParentModel = new LayoutDocumentPaneGroup() { Orientation = System.Windows.Controls.Orientation.Vertical };
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parentContainer.ReplaceChild(targetModel, newParentModel);
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newParentModel.Children.Add(targetModel as LayoutDocumentPane);
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newParentModel.Children.Insert(0, newLayoutDocumentPane);
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}
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else
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{
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var manager = parentModel.Root.Manager;
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if (!manager.AllowMixedOrientation || parentModel.Orientation == System.Windows.Controls.Orientation.Vertical)
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{
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parentModel.Orientation = System.Windows.Controls.Orientation.Vertical;
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int targetPaneIndex = parentModel.IndexOfChild(targetModel);
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parentModel.Children.Insert(targetPaneIndex, newLayoutDocumentPane);
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}
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else
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{
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LayoutDocumentPaneGroup newChildGroup = new LayoutDocumentPaneGroup();
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newChildGroup.Orientation = System.Windows.Controls.Orientation.Vertical;
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parentModel.ReplaceChild(targetModel, newChildGroup);
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newChildGroup.Children.Add(newLayoutDocumentPane);
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newChildGroup.Children.Add(targetModel);
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}
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}
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}
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break;
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#endregion
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case DropTargetType.DocumentPaneDockLeft:
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#region DropTargetType.DocumentPaneDockLeft
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{
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var newLayoutDocumentPane = new LayoutDocumentPane(floatingWindow.RootDocument);
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var parentModel = targetModel.Parent as LayoutDocumentPaneGroup;
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if (parentModel == null)
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{
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var parentContainer = targetModel.Parent as ILayoutContainer;
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var newParentModel = new LayoutDocumentPaneGroup() { Orientation = System.Windows.Controls.Orientation.Horizontal };
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parentContainer.ReplaceChild(targetModel, newParentModel);
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newParentModel.Children.Add(targetModel);
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newParentModel.Children.Insert(0, newLayoutDocumentPane);
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}
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else
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{
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var manager = parentModel.Root.Manager;
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if (!manager.AllowMixedOrientation || parentModel.Orientation == System.Windows.Controls.Orientation.Horizontal)
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{
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parentModel.Orientation = System.Windows.Controls.Orientation.Horizontal;
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int targetPaneIndex = parentModel.IndexOfChild(targetModel);
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parentModel.Children.Insert(targetPaneIndex, newLayoutDocumentPane);
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}
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else
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{
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LayoutDocumentPaneGroup newChildGroup = new LayoutDocumentPaneGroup();
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newChildGroup.Orientation = System.Windows.Controls.Orientation.Horizontal;
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parentModel.ReplaceChild(targetModel, newChildGroup);
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newChildGroup.Children.Add(newLayoutDocumentPane);
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newChildGroup.Children.Add(targetModel);
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}
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}
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}
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break;
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#endregion
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case DropTargetType.DocumentPaneDockRight:
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#region DropTargetType.DocumentPaneDockRight
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{
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var newLayoutDocumentPane = new LayoutDocumentPane(floatingWindow.RootDocument);
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var parentModel = targetModel.Parent as LayoutDocumentPaneGroup;
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if (parentModel == null)
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{
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var parentContainer = targetModel.Parent as ILayoutContainer;
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var newParentModel = new LayoutDocumentPaneGroup() { Orientation = System.Windows.Controls.Orientation.Horizontal };
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parentContainer.ReplaceChild(targetModel, newParentModel);
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newParentModel.Children.Add(targetModel as LayoutDocumentPane);
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newParentModel.Children.Add(newLayoutDocumentPane);
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}
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else
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{
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var manager = parentModel.Root.Manager;
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if (!manager.AllowMixedOrientation || parentModel.Orientation == System.Windows.Controls.Orientation.Horizontal)
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{
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parentModel.Orientation = System.Windows.Controls.Orientation.Horizontal;
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int targetPaneIndex = parentModel.IndexOfChild(targetModel);
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parentModel.Children.Insert(targetPaneIndex + 1, newLayoutDocumentPane);
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}
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else
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{
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LayoutDocumentPaneGroup newChildGroup = new LayoutDocumentPaneGroup();
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newChildGroup.Orientation = System.Windows.Controls.Orientation.Horizontal;
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parentModel.ReplaceChild(targetModel, newChildGroup);
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newChildGroup.Children.Add(targetModel);
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newChildGroup.Children.Add(newLayoutDocumentPane);
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}
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}
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}
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break;
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#endregion
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case DropTargetType.DocumentPaneDockInside:
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#region DropTargetType.DocumentPaneDockInside
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{
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var paneModel = targetModel as LayoutDocumentPane;
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var sourceModel = floatingWindow.RootDocument;
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int i = 0;
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if( _tabIndex != -1 )
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{
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i = _tabIndex;
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}
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else
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{
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var previousContainer = ((ILayoutPreviousContainer)sourceModel).PreviousContainer;
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if( object.ReferenceEquals( previousContainer, targetModel ) && (sourceModel.PreviousContainerIndex != -1) )
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{
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i = sourceModel.PreviousContainerIndex;
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}
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}
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sourceModel.IsActive = false;
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paneModel.Children.Insert(i, sourceModel);
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sourceModel.IsActive = true;
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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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protected override void Drop(LayoutAnchorableFloatingWindow floatingWindow)
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{
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ILayoutDocumentPane targetModel = _targetPane.Model as ILayoutDocumentPane;
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switch (Type)
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{
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case DropTargetType.DocumentPaneDockBottom:
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#region DropTargetType.DocumentPaneDockBottom
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{
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var parentModel = targetModel.Parent as LayoutDocumentPaneGroup;
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var newLayoutDocumentPane = new LayoutDocumentPane();
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if (parentModel == null)
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{
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var parentContainer = targetModel.Parent as ILayoutContainer;
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var newParentModel = new LayoutDocumentPaneGroup() { Orientation = System.Windows.Controls.Orientation.Vertical };
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parentContainer.ReplaceChild(targetModel, newParentModel);
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newParentModel.Children.Add(targetModel as LayoutDocumentPane);
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newParentModel.Children.Add(newLayoutDocumentPane);
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}
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else
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{
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var manager = parentModel.Root.Manager;
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if (!manager.AllowMixedOrientation || parentModel.Orientation == System.Windows.Controls.Orientation.Vertical)
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{
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parentModel.Orientation = System.Windows.Controls.Orientation.Vertical;
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int targetPaneIndex = parentModel.IndexOfChild(targetModel);
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parentModel.Children.Insert(targetPaneIndex + 1, newLayoutDocumentPane);
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}
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else
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{
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LayoutDocumentPaneGroup newChildGroup = new LayoutDocumentPaneGroup();
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newChildGroup.Orientation = System.Windows.Controls.Orientation.Vertical;
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parentModel.ReplaceChild(targetModel, newChildGroup);
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newChildGroup.Children.Add(targetModel);
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newChildGroup.Children.Add(newLayoutDocumentPane);
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}
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}
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foreach (var cntToTransfer in floatingWindow.RootPanel.Descendents().OfType<LayoutAnchorable>().ToArray())
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newLayoutDocumentPane.Children.Add(cntToTransfer);
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}
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break;
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#endregion
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case DropTargetType.DocumentPaneDockTop:
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#region DropTargetType.DocumentPaneDockTop
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{
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var parentModel = targetModel.Parent as LayoutDocumentPaneGroup;
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var newLayoutDocumentPane = new LayoutDocumentPane();
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if (parentModel == null)
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{
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var parentContainer = targetModel.Parent as ILayoutContainer;
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var newParentModel = new LayoutDocumentPaneGroup() { Orientation = System.Windows.Controls.Orientation.Vertical };
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parentContainer.ReplaceChild(targetModel, newParentModel);
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newParentModel.Children.Add(newLayoutDocumentPane);
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newParentModel.Children.Add(targetModel as LayoutDocumentPane);
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}
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else
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{
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var manager = parentModel.Root.Manager;
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if (!manager.AllowMixedOrientation || parentModel.Orientation == System.Windows.Controls.Orientation.Vertical)
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{
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parentModel.Orientation = System.Windows.Controls.Orientation.Vertical;
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int targetPaneIndex = parentModel.IndexOfChild(targetModel);
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parentModel.Children.Insert(targetPaneIndex, newLayoutDocumentPane);
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}
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else
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{
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LayoutDocumentPaneGroup newChildGroup = new LayoutDocumentPaneGroup();
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newChildGroup.Orientation = System.Windows.Controls.Orientation.Vertical;
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parentModel.ReplaceChild(targetModel, newChildGroup);
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newChildGroup.Children.Add(newLayoutDocumentPane);
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newChildGroup.Children.Add(targetModel);
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}
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}
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foreach (var cntToTransfer in floatingWindow.RootPanel.Descendents().OfType<LayoutAnchorable>().ToArray())
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newLayoutDocumentPane.Children.Add(cntToTransfer);
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}
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break;
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#endregion
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case DropTargetType.DocumentPaneDockLeft:
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#region DropTargetType.DocumentPaneDockLeft
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{
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var parentModel = targetModel.Parent as LayoutDocumentPaneGroup;
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var newLayoutDocumentPane = new LayoutDocumentPane();
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if (parentModel == null)
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{
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var parentContainer = targetModel.Parent as ILayoutContainer;
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var newParentModel = new LayoutDocumentPaneGroup() { Orientation = System.Windows.Controls.Orientation.Horizontal };
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parentContainer.ReplaceChild(targetModel, newParentModel);
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newParentModel.Children.Add(newLayoutDocumentPane);
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newParentModel.Children.Add(targetModel as LayoutDocumentPane);
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}
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else
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{
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var manager = parentModel.Root.Manager;
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if (!manager.AllowMixedOrientation || parentModel.Orientation == System.Windows.Controls.Orientation.Horizontal)
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{
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parentModel.Orientation = System.Windows.Controls.Orientation.Horizontal;
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int targetPaneIndex = parentModel.IndexOfChild(targetModel);
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parentModel.Children.Insert(targetPaneIndex, newLayoutDocumentPane);
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}
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else
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{
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LayoutDocumentPaneGroup newChildGroup = new LayoutDocumentPaneGroup();
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newChildGroup.Orientation = System.Windows.Controls.Orientation.Horizontal;
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parentModel.ReplaceChild(targetModel, newChildGroup);
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newChildGroup.Children.Add(newLayoutDocumentPane);
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newChildGroup.Children.Add(targetModel);
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}
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}
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foreach (var cntToTransfer in floatingWindow.RootPanel.Descendents().OfType<LayoutAnchorable>().ToArray())
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newLayoutDocumentPane.Children.Add(cntToTransfer);
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}
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break;
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#endregion
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case DropTargetType.DocumentPaneDockRight:
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#region DropTargetType.DocumentPaneDockRight
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{
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var parentModel = targetModel.Parent as LayoutDocumentPaneGroup;
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var newLayoutDocumentPane = new LayoutDocumentPane();
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if (parentModel == null)
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{
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var parentContainer = targetModel.Parent as ILayoutContainer;
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var newParentModel = new LayoutDocumentPaneGroup() { Orientation = System.Windows.Controls.Orientation.Horizontal };
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parentContainer.ReplaceChild(targetModel, newParentModel);
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newParentModel.Children.Add(targetModel as LayoutDocumentPane);
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newParentModel.Children.Add(newLayoutDocumentPane);
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}
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else
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{
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var manager = parentModel.Root.Manager;
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if (!manager.AllowMixedOrientation || parentModel.Orientation == System.Windows.Controls.Orientation.Horizontal)
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{
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parentModel.Orientation = System.Windows.Controls.Orientation.Horizontal;
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int targetPaneIndex = parentModel.IndexOfChild(targetModel);
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parentModel.Children.Insert(targetPaneIndex + 1, newLayoutDocumentPane);
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}
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else
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{
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LayoutDocumentPaneGroup newChildGroup = new LayoutDocumentPaneGroup();
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newChildGroup.Orientation = System.Windows.Controls.Orientation.Horizontal;
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parentModel.ReplaceChild(targetModel, newChildGroup);
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newChildGroup.Children.Add(targetModel);
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newChildGroup.Children.Add(newLayoutDocumentPane);
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}
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}
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foreach (var cntToTransfer in floatingWindow.RootPanel.Descendents().OfType<LayoutAnchorable>().ToArray())
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newLayoutDocumentPane.Children.Add(cntToTransfer);
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}
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break;
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#endregion
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case DropTargetType.DocumentPaneDockInside:
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#region DropTargetType.DocumentPaneDockInside
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{
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var paneModel = targetModel as LayoutDocumentPane;
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var layoutAnchorablePaneGroup = floatingWindow.RootPanel as LayoutAnchorablePaneGroup;
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bool checkPreviousContainer = true;
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int i = 0;
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if( _tabIndex != -1 )
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{
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i = _tabIndex;
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checkPreviousContainer = false;
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}
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LayoutAnchorable anchorableToActivate = null;
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foreach (var anchorableToImport in layoutAnchorablePaneGroup.Descendents().OfType<LayoutAnchorable>().ToArray())
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{
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if( checkPreviousContainer )
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{
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var previousContainer = ((ILayoutPreviousContainer)anchorableToImport).PreviousContainer;
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if( object.ReferenceEquals( previousContainer, targetModel ) && (anchorableToImport.PreviousContainerIndex != -1) )
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{
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i = anchorableToImport.PreviousContainerIndex;
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}
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checkPreviousContainer = false;
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}
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paneModel.Children.Insert(i, anchorableToImport);
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i++;
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anchorableToActivate = anchorableToImport;
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}
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anchorableToActivate.IsActive = true;
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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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switch (Type)
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{
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case DropTargetType.DocumentPaneDockInside:
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{
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var targetScreenRect = TargetElement.GetScreenArea();
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targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
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if (_tabIndex == -1)
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{
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return new RectangleGeometry(targetScreenRect);
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}
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else
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{
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var translatedDetectionRect = new Rect(DetectionRects[0].TopLeft, DetectionRects[0].BottomRight);
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translatedDetectionRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
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var pathFigure = new PathFigure();
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pathFigure.StartPoint = targetScreenRect.BottomRight;
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pathFigure.Segments.Add(new LineSegment() { Point = new Point(targetScreenRect.Right, translatedDetectionRect.Bottom) });
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pathFigure.Segments.Add(new LineSegment() { Point = translatedDetectionRect.BottomRight });
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pathFigure.Segments.Add(new LineSegment() { Point = translatedDetectionRect.TopRight });
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pathFigure.Segments.Add(new LineSegment() { Point = translatedDetectionRect.TopLeft });
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pathFigure.Segments.Add(new LineSegment() { Point = translatedDetectionRect.BottomLeft });
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pathFigure.Segments.Add(new LineSegment() { Point = new Point(targetScreenRect.Left, translatedDetectionRect.Bottom) });
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pathFigure.Segments.Add(new LineSegment() { Point = targetScreenRect.BottomLeft });
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pathFigure.IsClosed = true;
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pathFigure.IsFilled = true;
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pathFigure.Freeze();
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return new PathGeometry(new PathFigure[] { pathFigure });
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}
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}
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case DropTargetType.DocumentPaneDockBottom:
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{
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var targetScreenRect = TargetElement.GetScreenArea();
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targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
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targetScreenRect.Offset(0.0, targetScreenRect.Height / 2.0);
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targetScreenRect.Height /= 2.0;
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return new RectangleGeometry(targetScreenRect);
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}
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case DropTargetType.DocumentPaneDockTop:
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{
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var targetScreenRect = TargetElement.GetScreenArea();
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targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
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targetScreenRect.Height /= 2.0;
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return new RectangleGeometry(targetScreenRect);
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}
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case DropTargetType.DocumentPaneDockLeft:
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{
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var targetScreenRect = TargetElement.GetScreenArea();
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targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
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targetScreenRect.Width /= 2.0;
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return new RectangleGeometry(targetScreenRect);
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}
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case DropTargetType.DocumentPaneDockRight:
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{
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var targetScreenRect = TargetElement.GetScreenArea();
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targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
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targetScreenRect.Offset(targetScreenRect.Width / 2.0, 0.0);
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targetScreenRect.Width /= 2.0;
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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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}
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}
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