//Copyright (c) 2007-2012, Adolfo Marinucci
//All rights reserved.
//Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
//following conditions are met:
//* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
//* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
//disclaimer in the documentation and/or other materials provided with the distribution.
//* Neither the name of Adolfo Marinucci nor the names of its contributors may be used to endorse or promote products
//derived from this software without specific prior written permission.
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
//INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
//IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
//EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
//STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
//EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Media;
using AvalonDock.Layout;
using System.Windows.Threading;
namespace AvalonDock.Controls
{
internal abstract class DropTarget<T> : DropTargetBase, IDropTarget where T : FrameworkElement
{
protected DropTarget(T targetElement, Rect detectionRect, DropTargetType type)
{
_targetElement = targetElement;
_detectionRect = new Rect[] { detectionRect };
_type = type;
}
protected DropTarget(T targetElement, IEnumerable<Rect> detectionRects, DropTargetType type)
{
_targetElement = targetElement;
_detectionRect = detectionRects.ToArray();
_type = type;
}
Rect[] _detectionRect;
public Rect[] DetectionRects
{
get { return _detectionRect; }
}
T _targetElement;
public T TargetElement
{
get { return _targetElement; }
}
DropTargetType _type;
public DropTargetType Type
{
get { return _type; }
}
protected virtual void Drop(LayoutAnchorableFloatingWindow floatingWindow)
{ }
protected virtual void Drop(LayoutDocumentFloatingWindow floatingWindow)
{ }
public void Drop(LayoutFloatingWindow floatingWindow)
{
var root = floatingWindow.Root;
var currentActiveContent = floatingWindow.Root.ActiveContent;
var fwAsAnchorable = floatingWindow as LayoutAnchorableFloatingWindow;
if (fwAsAnchorable != null)
{
this.Drop(fwAsAnchorable);
}
else
{
var fwAsDocument = floatingWindow as LayoutDocumentFloatingWindow;
this.Drop(fwAsDocument);
}
Dispatcher.BeginInvoke(new Action(() =>
{
currentActiveContent.IsSelected = false;
currentActiveContent.IsActive = false;
currentActiveContent.IsActive = true;
}), DispatcherPriority.Background);
}
public virtual bool HitTest(Point dragPoint)
{
return _detectionRect.Any(dr => dr.Contains(dragPoint));
}
public abstract Geometry GetPreviewPath(OverlayWindow overlayWindow, LayoutFloatingWindow floatingWindow);
public void DragEnter()
{
SetIsDraggingOver(TargetElement, true);
}
public void DragLeave()
{
SetIsDraggingOver(TargetElement, false);
}
}
}