/// <summary>
/// Gets a <see cref="Geometry"/> that is used to highlight/preview the docking position
/// of this drop target for a <paramref name="floatingWindowModel"/> being docked inside an
/// <paramref name="overlayWindow"/>.
/// </summary>
/// <param name="overlayWindow"></param>
/// <param name="floatingWindowModel"></param>
/// <returns>The geometry of the preview/highlighting WPF figure path.</returns>
public override Geometry GetPreviewPath(OverlayWindow overlayWindow,
LayoutFloatingWindow floatingWindowModel)
{
switch (Type)
{
case DropTargetType.DocumentPaneGroupDockInside:
#region DropTargetType.DocumentPaneGroupDockInside
{
var targetScreenRect = TargetElement.GetScreenArea();
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
return(new RectangleGeometry(targetScreenRect));
}
#endregion DropTargetType.DocumentPaneGroupDockInside
}
return(null);
}
protected override void OnClosed(EventArgs e)
{
var root = Model.Root;
root.Manager.RemoveFloatingWindow(this);
root.CollectGarbage();
if (_overlayWindow != null)
{
_overlayWindow.Close();
_overlayWindow = null;
}
base.OnClosed(e);
if (!CloseInitiatedByUser)
{
root.FloatingWindows.Remove(_model);
}
_model.PropertyChanged -= new System.ComponentModel.PropertyChangedEventHandler(_model_PropertyChanged);
}
protected override void OnClosed(EventArgs e)
{
var root = Model.Root;
if (root != null)
{
LayoutRoot layoutRoot = root as LayoutRoot;
if (layoutRoot != null)
{
layoutRoot.Updated -= OnRootUpdated;
}
root.Manager.RemoveFloatingWindow(this);
root.CollectGarbage();
}
if (_overlayWindow != null)
{
_overlayWindow.Close();
_overlayWindow = null;
}
base.OnClosed(e);
if (!CloseInitiatedByUser && (root != null))
{
root.FloatingWindows.Remove(_model);
}
// We have to clear binding instead of creating a new empty binding.
BindingOperations.ClearBinding(_model, VisibilityProperty);
_model.PropertyChanged -= new System.ComponentModel.PropertyChangedEventHandler(_model_PropertyChanged);
_model.IsVisibleChanged -= _model_IsVisibleChanged;
Activated -= LayoutAnchorableFloatingWindowControl_Activated;
IsVisibleChanged -= this.LayoutAnchorableFloatingWindowControl_IsVisibleChanged;
BindingOperations.ClearBinding(this, VisibilityProperty);
BindingOperations.ClearBinding(this, SingleContentLayoutItemProperty);
}
public abstract Geometry GetPreviewPath(OverlayWindow overlayWindow, LayoutFloatingWindow 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);
}
/// <summary>
/// Gets a <see cref="Geometry"/> that is used to highlight/preview the docking position
/// of this drop target for a <paramref name="floatingWindowModel"/> being docked inside an
/// <paramref name="overlayWindow"/>.
/// </summary>
/// <param name="overlayWindow"></param>
/// <param name="floatingWindowModel"></param>
/// <returns>The geometry of the preview/highlighting WPF figure path.</returns>
public override Geometry GetPreviewPath(OverlayWindow overlayWindow,
LayoutFloatingWindow floatingWindowModel)
{
switch (Type)
{
case DropTargetType.AnchorablePaneDockBottom:
{
var targetScreenRect = TargetElement.GetScreenArea();
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
targetScreenRect.Offset(0.0, targetScreenRect.Height / 2.0);
targetScreenRect.Height /= 2.0;
return(new RectangleGeometry(targetScreenRect));
}
case DropTargetType.AnchorablePaneDockTop:
{
var targetScreenRect = TargetElement.GetScreenArea();
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
targetScreenRect.Height /= 2.0;
return(new RectangleGeometry(targetScreenRect));
}
case DropTargetType.AnchorablePaneDockLeft:
{
var targetScreenRect = TargetElement.GetScreenArea();
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
targetScreenRect.Width /= 2.0;
return(new RectangleGeometry(targetScreenRect));
}
case DropTargetType.AnchorablePaneDockRight:
{
var targetScreenRect = TargetElement.GetScreenArea();
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
targetScreenRect.Offset(targetScreenRect.Width / 2.0, 0.0);
targetScreenRect.Width /= 2.0;
return(new RectangleGeometry(targetScreenRect));
}
case DropTargetType.AnchorablePaneDockInside:
{
var targetScreenRect = TargetElement.GetScreenArea();
targetScreenRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
if (_tabIndex == -1)
{
return(new RectangleGeometry(targetScreenRect));
}
else
{
var translatedDetectionRect = new Rect(DetectionRects[0].TopLeft, DetectionRects[0].BottomRight);
translatedDetectionRect.Offset(-overlayWindow.Left, -overlayWindow.Top);
var pathFigure = new PathFigure();
pathFigure.StartPoint = targetScreenRect.TopLeft;
pathFigure.Segments.Add(new LineSegment()
{
Point = new Point(targetScreenRect.Left, translatedDetectionRect.Top)
});
pathFigure.Segments.Add(new LineSegment()
{
Point = translatedDetectionRect.TopLeft
});
pathFigure.Segments.Add(new LineSegment()
{
Point = translatedDetectionRect.BottomLeft
});
pathFigure.Segments.Add(new LineSegment()
{
Point = translatedDetectionRect.BottomRight
});
pathFigure.Segments.Add(new LineSegment()
{
Point = translatedDetectionRect.TopRight
});
pathFigure.Segments.Add(new LineSegment()
{
Point = new Point(targetScreenRect.Right, translatedDetectionRect.Top)
});
pathFigure.Segments.Add(new LineSegment()
{
Point = targetScreenRect.TopRight
});
pathFigure.IsClosed = true;
pathFigure.IsFilled = true;
pathFigure.Freeze();
return(new PathGeometry(new PathFigure[] { pathFigure }));
}
}
}
return(null);
}
public override System.Windows.Media.Geometry GetPreviewPath(OverlayWindow overlayWindow, LayoutFloatingWindow floatingWindowModel)
{
var anchorableFloatingWindowModel = floatingWindowModel as LayoutAnchorableFloatingWindow;
var layoutAnchorablePane = anchorableFloatingWindowModel.RootPanel as ILayoutPositionableElement;
var layoutAnchorablePaneWithActualSize = anchorableFloatingWindowModel.RootPanel as ILayoutPositionableElementWithActualSize;
var targetScreenRect = TargetElement.GetScreenArea();
switch (Type)
{
case DropTargetType.DockingManagerDockLeft:
{
var desideredWidth = layoutAnchorablePane.DockWidth.IsAbsolute ? layoutAnchorablePane.DockWidth.Value : layoutAnchorablePaneWithActualSize.ActualWidth;
var previewBoxRect = new Rect(
targetScreenRect.Left - overlayWindow.Left,
targetScreenRect.Top - overlayWindow.Top,
Math.Min(desideredWidth, targetScreenRect.Width / 2.0),
targetScreenRect.Height);
return(new RectangleGeometry(previewBoxRect));
}
case DropTargetType.DockingManagerDockTop:
{
var desideredHeight = layoutAnchorablePane.DockHeight.IsAbsolute ? layoutAnchorablePane.DockHeight.Value : layoutAnchorablePaneWithActualSize.ActualHeight;
var previewBoxRect = new Rect(
targetScreenRect.Left - overlayWindow.Left,
targetScreenRect.Top - overlayWindow.Top,
targetScreenRect.Width,
Math.Min(desideredHeight, targetScreenRect.Height / 2.0));
return(new RectangleGeometry(previewBoxRect));
}
case DropTargetType.DockingManagerDockRight:
{
var desideredWidth = layoutAnchorablePane.DockWidth.IsAbsolute ? layoutAnchorablePane.DockWidth.Value : layoutAnchorablePaneWithActualSize.ActualWidth;
var previewBoxRect = new Rect(
targetScreenRect.Right - overlayWindow.Left - Math.Min(desideredWidth, targetScreenRect.Width / 2.0),
targetScreenRect.Top - overlayWindow.Top,
Math.Min(desideredWidth, targetScreenRect.Width / 2.0),
targetScreenRect.Height);
return(new RectangleGeometry(previewBoxRect));
}
case DropTargetType.DockingManagerDockBottom:
{
var desideredHeight = layoutAnchorablePane.DockHeight.IsAbsolute ? layoutAnchorablePane.DockHeight.Value : layoutAnchorablePaneWithActualSize.ActualHeight;
var previewBoxRect = new Rect(
targetScreenRect.Left - overlayWindow.Left,
targetScreenRect.Bottom - overlayWindow.Top - Math.Min(desideredHeight, targetScreenRect.Height / 2.0),
targetScreenRect.Width,
Math.Min(desideredHeight, targetScreenRect.Height / 2.0));
return(new RectangleGeometry(previewBoxRect));
}
}
throw new InvalidOperationException();
}
protected override void OnClosed(EventArgs e)
{
var root = Model.Root;
root.Manager.RemoveFloatingWindow(this);
root.CollectGarbage();
if (_overlayWindow != null)
{
_overlayWindow.Close();
_overlayWindow = null;
}
base.OnClosed(e);
if (!CloseInitiatedByUser)
{
root.FloatingWindows.Remove(_model);
}
_model.PropertyChanged -= new System.ComponentModel.PropertyChangedEventHandler(_model_PropertyChanged);
}
void CreateOverlayWindow()
{
if (_overlayWindow == null)
_overlayWindow = new OverlayWindow(this);
Rect rectWindow = new Rect(this.PointToScreenDPIWithoutFlowDirection(new Point()), this.TransformActualSizeToAncestor());
_overlayWindow.Left = rectWindow.Left;
_overlayWindow.Top = rectWindow.Top;
_overlayWindow.Width = rectWindow.Width;
_overlayWindow.Height = rectWindow.Height;
}
