private void ShowResizerOverlayWindow(LayoutGridResizerControl splitter)
{
_resizerGhost = new Border
{
Background = splitter.BackgroundWhileDragging,
Opacity = splitter.OpacityWhileDragging
};
var areaElement = _manager.GetAutoHideAreaElement();
var modelControlActualSize = _internalHost.TransformActualSizeToAncestor();
var ptTopLeftScreen = areaElement.PointToScreenDPIWithoutFlowDirection(new Point());
var managerSize = areaElement.TransformActualSizeToAncestor();
Size windowSize;
if (_side == AnchorSide.Right || _side == AnchorSide.Left)
{
windowSize = new Size(
managerSize.Width - 25.0 + splitter.ActualWidth,
managerSize.Height);
_resizerGhost.Width = splitter.ActualWidth;
_resizerGhost.Height = windowSize.Height;
ptTopLeftScreen.Offset(25, 0.0);
}
else
{
windowSize = new Size(
managerSize.Width,
managerSize.Height - _model.AutoHideMinHeight - 25.0 + splitter.ActualHeight);
_resizerGhost.Height = splitter.ActualHeight;
_resizerGhost.Width = windowSize.Width;
ptTopLeftScreen.Offset(0.0, 25.0);
}
_initialStartPoint = splitter.PointToScreenDPIWithoutFlowDirection(new Point()) - ptTopLeftScreen;
if (_side == AnchorSide.Right || _side == AnchorSide.Left)
{
Canvas.SetLeft(_resizerGhost, _initialStartPoint.X);
}
else
{
Canvas.SetTop(_resizerGhost, _initialStartPoint.Y);
}
var panelHostResizer = new Canvas
{
HorizontalAlignment = HorizontalAlignment.Stretch,
VerticalAlignment = VerticalAlignment.Stretch
};
panelHostResizer.Children.Add(_resizerGhost);
_resizerWindowHost = new Window
{
ResizeMode = ResizeMode.NoResize,
WindowStyle = WindowStyle.None,
ShowInTaskbar = false,
AllowsTransparency = true,
Background = null,
Width = windowSize.Width,
Height = windowSize.Height,
Left = ptTopLeftScreen.X,
Top = ptTopLeftScreen.Y,
ShowActivated = false,
Owner = Window.GetWindow(this),
Content = panelHostResizer
};
_resizerWindowHost.Show();
}
private void CreateInternalGrid()
{
_internalGrid = new Grid {FlowDirection = FlowDirection.LeftToRight};
_internalGrid.SetBinding(Panel.BackgroundProperty, new Binding("Background") {Source = this});
_internalHost = new LayoutAnchorableControl {Model = _model, Style = AnchorableStyle};
_internalHost.SetBinding(FlowDirectionProperty,
new Binding("Model.Root.Manager.FlowDirection") {Source = this});
KeyboardNavigation.SetTabNavigation(_internalGrid, KeyboardNavigationMode.Cycle);
_resizer = new LayoutGridResizerControl();
_resizer.DragStarted += OnResizerDragStarted;
_resizer.DragDelta += OnResizerDragDelta;
_resizer.DragCompleted += OnResizerDragCompleted;
if (_side == AnchorSide.Right)
{
_internalGrid.ColumnDefinitions.Add(new ColumnDefinition
{
Width = new GridLength(_manager.GridSplitterWidth)
});
_internalGrid.ColumnDefinitions.Add(new ColumnDefinition
{
Width =
_model.AutoHideWidth == 0.0
? new GridLength(_model.AutoHideMinWidth)
: new GridLength(_model.AutoHideWidth, GridUnitType.Pixel)
});
Grid.SetColumn(_resizer, 0);
Grid.SetColumn(_internalHost, 1);
_resizer.Cursor = Cursors.SizeWE;
HorizontalAlignment = HorizontalAlignment.Right;
VerticalAlignment = VerticalAlignment.Stretch;
}
else if (_side == AnchorSide.Left)
{
_internalGrid.ColumnDefinitions.Add(new ColumnDefinition
{
Width =
_model.AutoHideWidth == 0.0
? new GridLength(_model.AutoHideMinWidth)
: new GridLength(_model.AutoHideWidth, GridUnitType.Pixel)
});
_internalGrid.ColumnDefinitions.Add(new ColumnDefinition
{
Width = new GridLength(_manager.GridSplitterWidth)
});
Grid.SetColumn(_internalHost, 0);
Grid.SetColumn(_resizer, 1);
_resizer.Cursor = Cursors.SizeWE;
HorizontalAlignment = HorizontalAlignment.Left;
VerticalAlignment = VerticalAlignment.Stretch;
}
else if (_side == AnchorSide.Top)
{
_internalGrid.RowDefinitions.Add(new RowDefinition
{
Height =
_model.AutoHideHeight == 0.0
? new GridLength(_model.AutoHideMinHeight)
: new GridLength(_model.AutoHideHeight, GridUnitType.Pixel)
});
_internalGrid.RowDefinitions.Add(new RowDefinition
{
Height = new GridLength(_manager.GridSplitterHeight)
});
Grid.SetRow(_internalHost, 0);
Grid.SetRow(_resizer, 1);
_resizer.Cursor = Cursors.SizeNS;
VerticalAlignment = VerticalAlignment.Top;
HorizontalAlignment = HorizontalAlignment.Stretch;
}
else if (_side == AnchorSide.Bottom)
{
_internalGrid.RowDefinitions.Add(new RowDefinition
{
Height = new GridLength(_manager.GridSplitterHeight)
});
_internalGrid.RowDefinitions.Add(new RowDefinition
{
Height =
_model.AutoHideHeight == 0.0
? new GridLength(_model.AutoHideMinHeight)
: new GridLength(_model.AutoHideHeight, GridUnitType.Pixel)
});
Grid.SetRow(_resizer, 0);
Grid.SetRow(_internalHost, 1);
_resizer.Cursor = Cursors.SizeNS;
VerticalAlignment = VerticalAlignment.Bottom;
HorizontalAlignment = HorizontalAlignment.Stretch;
}
_internalGrid.Children.Add(_resizer);
_internalGrid.Children.Add(_internalHost);
_internalHostPresenter.Content = _internalGrid;
}
