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115 lines
3.4 KiB
115 lines
3.4 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 Xceed.Wpf.AvalonDock.Layout;
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using System.Windows.Threading;
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namespace Xceed.Wpf.AvalonDock.Controls
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{
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internal abstract class DropTarget<T> : DropTargetBase, IDropTarget where T : FrameworkElement
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{
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protected DropTarget(T targetElement, Rect detectionRect, DropTargetType type)
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{
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_targetElement = targetElement;
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_detectionRect = new Rect[] { detectionRect };
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_type = type;
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}
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protected DropTarget(T targetElement, IEnumerable<Rect> detectionRects, DropTargetType type)
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{
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_targetElement = targetElement;
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_detectionRect = detectionRects.ToArray();
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_type = type;
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}
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Rect[] _detectionRect;
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public Rect[] DetectionRects
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{
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get { return _detectionRect; }
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}
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T _targetElement;
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public T TargetElement
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{
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get { return _targetElement; }
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}
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DropTargetType _type;
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public DropTargetType Type
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{
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get { return _type; }
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}
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protected virtual void Drop(LayoutAnchorableFloatingWindow floatingWindow)
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{ }
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protected virtual void Drop(LayoutDocumentFloatingWindow floatingWindow)
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{ }
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public void Drop(LayoutFloatingWindow floatingWindow)
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{
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var root = floatingWindow.Root;
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var currentActiveContent = floatingWindow.Root.ActiveContent;
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var fwAsAnchorable = floatingWindow as LayoutAnchorableFloatingWindow;
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if (fwAsAnchorable != null)
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{
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this.Drop(fwAsAnchorable);
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}
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else
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{
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var fwAsDocument = floatingWindow as LayoutDocumentFloatingWindow;
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this.Drop(fwAsDocument);
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}
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Dispatcher.BeginInvoke(new Action(() =>
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{
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currentActiveContent.IsSelected = false;
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currentActiveContent.IsActive = false;
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currentActiveContent.IsActive = true;
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}), DispatcherPriority.Background);
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}
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public virtual bool HitTest(Point dragPoint)
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{
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return _detectionRect.Any(dr => dr.Contains(dragPoint));
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}
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public abstract Geometry GetPreviewPath(OverlayWindow overlayWindow, LayoutFloatingWindow floatingWindow);
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public void DragEnter()
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{
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SetIsDraggingOver(TargetElement, true);
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}
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public void DragLeave()
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{
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SetIsDraggingOver(TargetElement, false);
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}
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}
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}
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