void CreateSplitters()
{
for (int iChild = 1; iChild < Children.Count; iChild++)
{
var splitter = new LayoutGridResizerControl();
splitter.Cursor = this.Orientation == Orientation.Horizontal ? Cursors.SizeWE : Cursors.SizeNS;
Children.Insert(iChild, splitter);
iChild++;
}
}
private void CreateSplitters()
{
for (int i = 1; i < base.Children.Count; i++)
{
LayoutGridResizerControl layoutGridResizerControl = new LayoutGridResizerControl()
{
Cursor = (this.Orientation == System.Windows.Controls.Orientation.Horizontal ? Cursors.SizeWE : Cursors.SizeNS)
};
base.Children.Insert(i, layoutGridResizerControl);
i++;
}
}
void OnSplitterDragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
{
LayoutGridResizerControl splitter = sender as LayoutGridResizerControl;
var rootVisual = this.FindVisualTreeRoot() as Visual;
var trToWnd = TransformToAncestor(rootVisual);
Vector transformedDelta = trToWnd.Transform(new Point(e.HorizontalChange, e.VerticalChange)) -
trToWnd.Transform(new Point());
if (Orientation == System.Windows.Controls.Orientation.Horizontal)
{
Canvas.SetLeft(_resizerGhost, MathHelper.MinMax(_initialStartPoint.X + transformedDelta.X, 0.0, _resizerWindowHost.Width - _resizerGhost.Width));
}
else
{
Canvas.SetTop(_resizerGhost, MathHelper.MinMax(_initialStartPoint.Y + transformedDelta.Y, 0.0, _resizerWindowHost.Height - _resizerGhost.Height));
}
}
void OnResizerDragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
{
LayoutGridResizerControl splitter = sender as LayoutGridResizerControl;
var rootVisual = this.FindVisualTreeRoot() as Visual;
var trToWnd = TransformToAncestor(rootVisual);
Vector transformedDelta = trToWnd.Transform(new Point(e.HorizontalChange, e.VerticalChange)) -
trToWnd.Transform(new Point());
if (_side == AnchorSide.Right || _side == AnchorSide.Left)
{
if (FrameworkElement.GetFlowDirection(_internalHost) == System.Windows.FlowDirection.RightToLeft)
{
transformedDelta.X = -transformedDelta.X;
}
Canvas.SetLeft(_resizerGhost, MathHelper.MinMax(_initialStartPoint.X + transformedDelta.X, 0.0, _resizerWindowHost.Width - _resizerGhost.Width));
}
else
{
Canvas.SetTop(_resizerGhost, MathHelper.MinMax(_initialStartPoint.Y + transformedDelta.Y, 0.0, _resizerWindowHost.Height - _resizerGhost.Height));
}
}
void OnResizerDragCompleted(object sender, System.Windows.Controls.Primitives.DragCompletedEventArgs e)
{
LayoutGridResizerControl splitter = sender as LayoutGridResizerControl;
var rootVisual = this.FindVisualTreeRoot() as Visual;
var trToWnd = TransformToAncestor(rootVisual);
Vector transformedDelta = trToWnd.Transform(new Point(e.HorizontalChange, e.VerticalChange)) -
trToWnd.Transform(new Point());
double delta;
if (_side == AnchorSide.Right || _side == AnchorSide.Left)
{
delta = Canvas.GetLeft(_resizerGhost) - _initialStartPoint.X;
}
else
{
delta = Canvas.GetTop(_resizerGhost) - _initialStartPoint.Y;
}
if (_side == AnchorSide.Right)
{
if (_model.AutoHideWidth == 0.0)
{
_model.AutoHideWidth = _internalHost.ActualWidth - delta;
}
else
{
_model.AutoHideWidth -= delta;
}
_internalGrid.ColumnDefinitions[1].Width = new GridLength(_model.AutoHideWidth, GridUnitType.Pixel);
}
else if (_side == AnchorSide.Left)
{
if (_model.AutoHideWidth == 0.0)
{
_model.AutoHideWidth = _internalHost.ActualWidth + delta;
}
else
{
_model.AutoHideWidth += delta;
}
_internalGrid.ColumnDefinitions[0].Width = new GridLength(_model.AutoHideWidth, GridUnitType.Pixel);
}
else if (_side == AnchorSide.Top)
{
if (_model.AutoHideHeight == 0.0)
{
_model.AutoHideHeight = _internalHost.ActualHeight + delta;
}
else
{
_model.AutoHideHeight += delta;
}
_internalGrid.RowDefinitions[0].Height = new GridLength(_model.AutoHideHeight, GridUnitType.Pixel);
}
else if (_side == AnchorSide.Bottom)
{
if (_model.AutoHideHeight == 0.0)
{
_model.AutoHideHeight = _internalHost.ActualHeight - delta;
}
else
{
_model.AutoHideHeight -= delta;
}
_internalGrid.RowDefinitions[1].Height = new GridLength(_model.AutoHideHeight, GridUnitType.Pixel);
}
HideResizerOverlayWindow();
IsResizing = false;
InvalidateMeasure();
}
private void OnSplitterDragCompleted(object sender, System.Windows.Controls.Primitives.DragCompletedEventArgs e)
{
LayoutGridResizerControl splitter = sender as LayoutGridResizerControl;
var rootVisual = this.FindVisualTreeRoot() as Visual;
var trToWnd = TransformToAncestor(rootVisual);
Vector transformedDelta = trToWnd.Transform(new Point(e.HorizontalChange, e.VerticalChange)) -
trToWnd.Transform(new Point());
double delta;
if (Orientation == Orientation.Horizontal)
{
delta = Canvas.GetLeft(_resizerGhost) - _initialStartPoint.X;
}
else
{
delta = Canvas.GetTop(_resizerGhost) - _initialStartPoint.Y;
}
int indexOfResizer = InternalChildren.IndexOf(splitter);
var prevChild = InternalChildren[indexOfResizer - 1] as FrameworkElement;
var nextChild = GetNextVisibleChild(indexOfResizer);
var prevChildActualSize = prevChild.TransformActualSizeToAncestor();
var nextChildActualSize = (nextChild != null) ? nextChild.TransformActualSizeToAncestor() : new Size();
var totalActualSize = new Size(prevChildActualSize.Width + nextChildActualSize.Width, prevChildActualSize.Height + nextChildActualSize.Height);
var prevChildModel = ( ILayoutPositionableElement )(prevChild as ILayoutControl).Model;
var nextChildModel = (nextChild != null) ? ( ILayoutPositionableElement )(nextChild as ILayoutControl).Model : null;
var totalStarSize = new Size(prevChildModel.DockWidth.IsStar && nextChildModel.DockWidth.IsStar ? prevChildModel.DockWidth.Value + nextChildModel.DockWidth.Value : 1d,
prevChildModel.DockHeight.IsStar && nextChildModel.DockHeight.IsStar ? prevChildModel.DockHeight.Value + nextChildModel.DockHeight.Value : 1d);
if (Orientation == Orientation.Horizontal)
{
if (prevChildModel.DockWidth.IsStar)
{
prevChildModel.DockWidth = new GridLength(((prevChildActualSize.Width + delta) / totalActualSize.Width) * totalStarSize.Width, GridUnitType.Star);
}
else
{
var width = (prevChildModel.DockWidth.IsAuto) ? prevChildActualSize.Width : prevChildModel.DockWidth.Value;
width += delta;
var widthToSet = Math.Max(width, prevChildModel.DockMinWidth);
prevChildModel.DockWidth = new GridLength(widthToSet, GridUnitType.Pixel);
}
if (nextChildModel != null)
{
if (nextChildModel.DockWidth.IsStar)
{
nextChildModel.DockWidth = new GridLength(((nextChildActualSize.Width - delta) / totalActualSize.Width) * totalStarSize.Width, GridUnitType.Star);
}
else
{
var width = (nextChildModel.DockWidth.IsAuto) ? nextChildActualSize.Width : nextChildModel.DockWidth.Value;
width -= delta;
var widthToSet = Math.Max(width, nextChildModel.DockMinWidth);
nextChildModel.DockWidth = new GridLength(widthToSet, GridUnitType.Pixel);
}
}
}
else
{
if (prevChildModel.DockHeight.IsStar)
{
prevChildModel.DockHeight = new GridLength(((prevChildActualSize.Height + delta) / totalActualSize.Height) * totalStarSize.Height, GridUnitType.Star);
}
else
{
var height = (prevChildModel.DockHeight.IsAuto) ? prevChildActualSize.Height : prevChildModel.DockHeight.Value;
height += delta;
var heightToSet = Math.Max(height, prevChildModel.DockMinHeight);
prevChildModel.DockHeight = new GridLength(heightToSet, GridUnitType.Pixel);
}
if (nextChildModel != null)
{
if (nextChildModel.DockHeight.IsStar)
{
nextChildModel.DockHeight = new GridLength(((nextChildActualSize.Height - delta) / totalActualSize.Height) * totalStarSize.Height, GridUnitType.Star);
}
else
{
var height = (nextChildModel.DockHeight.IsAuto) ? nextChildActualSize.Height : nextChildModel.DockHeight.Value;
height -= delta;
var heightToSet = Math.Max(height, nextChildModel.DockMinHeight);
nextChildModel.DockHeight = new GridLength(heightToSet, GridUnitType.Pixel);
}
}
}
HideResizerOverlayWindow();
}
void CreateInternalGrid()
{
_internalGrid = new Grid()
{
FlowDirection = System.Windows.FlowDirection.LeftToRight
};
_internalGrid.SetBinding(Grid.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 += new System.Windows.Controls.Primitives.DragStartedEventHandler(OnResizerDragStarted);
_resizer.DragDelta += new System.Windows.Controls.Primitives.DragDeltaEventHandler(OnResizerDragDelta);
_resizer.DragCompleted += new System.Windows.Controls.Primitives.DragCompletedEventHandler(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 = System.Windows.HorizontalAlignment.Right;
VerticalAlignment = System.Windows.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 = System.Windows.HorizontalAlignment.Left;
VerticalAlignment = System.Windows.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 = System.Windows.VerticalAlignment.Top;
HorizontalAlignment = System.Windows.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 = System.Windows.VerticalAlignment.Bottom;
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
}
_internalGrid.Children.Add(_resizer);
_internalGrid.Children.Add(_internalHost);
_internalHostPresenter.Content = _internalGrid;
}
void ShowResizerOverlayWindow(LayoutGridResizerControl splitter)
{
_resizerGhost = new Border()
{
Background = splitter.BackgroundWhileDragging,
Opacity = splitter.OpacityWhileDragging
};
var areaElement = _manager.GetAutoHideAreaElement();
var modelControlActualSize = this._internalHost.TransformActualSizeToAncestor();
Point 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);
}
Canvas panelHostResizer = new Canvas()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch
};
panelHostResizer.Children.Add(_resizerGhost);
_resizerWindowHost = new Window()
{
ResizeMode = ResizeMode.NoResize,
WindowStyle = System.Windows.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();
}
void CreateInternalGrid()
{
_internalGrid = new Grid() { FlowDirection = System.Windows.FlowDirection.LeftToRight};
_internalGrid.SetBinding(Grid.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 += new System.Windows.Controls.Primitives.DragStartedEventHandler(OnResizerDragStarted);
_resizer.DragDelta += new System.Windows.Controls.Primitives.DragDeltaEventHandler(OnResizerDragDelta);
_resizer.DragCompleted += new System.Windows.Controls.Primitives.DragCompletedEventHandler(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 = System.Windows.HorizontalAlignment.Right;
VerticalAlignment = System.Windows.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 = System.Windows.HorizontalAlignment.Left;
VerticalAlignment = System.Windows.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 = System.Windows.VerticalAlignment.Top;
HorizontalAlignment = System.Windows.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 = System.Windows.VerticalAlignment.Bottom;
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
}
_internalGrid.Children.Add(_resizer);
_internalGrid.Children.Add(_internalHost);
_internalHostPresenter.Content = _internalGrid;
}
void ShowResizerOverlayWindow(LayoutGridResizerControl splitter)
{
_resizerGhost = new Border()
{
Background = splitter.BackgroundWhileDragging,
Opacity = splitter.OpacityWhileDragging
};
var areaElement = _manager.GetAutoHideAreaElement();
var modelControlActualSize = this._internalHost.TransformActualSizeToAncestor();
Point 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);
}
Canvas panelHostResizer = new Canvas()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch
};
panelHostResizer.Children.Add(_resizerGhost);
_resizerWindowHost = new Window()
{
ResizeMode = ResizeMode.NoResize,
WindowStyle = System.Windows.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();
}
void OnSplitterDragCompleted(object sender, System.Windows.Controls.Primitives.DragCompletedEventArgs e)
{
LayoutGridResizerControl splitter = sender as LayoutGridResizerControl;
var rootVisual = this.FindVisualTreeRoot() as Visual;
var trToWnd = TransformToAncestor(rootVisual);
Vector transformedDelta = trToWnd.Transform(new Point(e.HorizontalChange, e.VerticalChange)) -
trToWnd.Transform(new Point());
double delta;
if (Orientation == System.Windows.Controls.Orientation.Horizontal)
{
delta = Canvas.GetLeft(_resizerGhost) - _initialStartPoint.X;
}
else
{
delta = Canvas.GetTop(_resizerGhost) - _initialStartPoint.Y;
}
int indexOfResizer = InternalChildren.IndexOf(splitter);
var prevChild = InternalChildren[indexOfResizer - 1] as FrameworkElement;
var nextChild = GetNextVisibleChild(indexOfResizer);
var prevChildActualSize = prevChild.TransformActualSizeToAncestor();
var nextChildActualSize = nextChild.TransformActualSizeToAncestor();
var prevChildModel = (ILayoutPositionableElement)(prevChild as ILayoutControl).Model;
var nextChildModel = (ILayoutPositionableElement)(nextChild as ILayoutControl).Model;
if (Orientation == System.Windows.Controls.Orientation.Horizontal)
{
//Trace.WriteLine(string.Format("PrevChild From {0}", prevChildModel.DockWidth));
if (prevChildModel.DockWidth.IsAuto)
{
prevChildModel.DockWidth = new GridLength(prevChildActualSize.Width + delta, GridUnitType.Pixel);
}
else if (prevChildModel.DockWidth.IsStar)
{
prevChildModel.DockWidth = new GridLength(prevChildModel.DockWidth.Value * (prevChildActualSize.Width + delta) / prevChildActualSize.Width, GridUnitType.Star);
}
else
{
prevChildModel.DockWidth = new GridLength(prevChildModel.DockWidth.Value + delta, GridUnitType.Pixel);
}
//Trace.WriteLine(string.Format("PrevChild To {0}", prevChildModel.DockWidth));
//Trace.WriteLine(string.Format("NextChild From {0}", nextChildModel.DockWidth));
if (nextChildModel.DockWidth.IsAuto)
{
nextChildModel.DockWidth = new GridLength(nextChildActualSize.Width - delta, GridUnitType.Pixel);
}
else if (nextChildModel.DockWidth.IsStar)
{
nextChildModel.DockWidth = new GridLength(nextChildModel.DockWidth.Value * (nextChildActualSize.Width - delta) / nextChildActualSize.Width, GridUnitType.Star);
}
else
{
nextChildModel.DockWidth = new GridLength(nextChildModel.DockWidth.Value - delta, GridUnitType.Pixel);
}
//Trace.WriteLine(string.Format("NextChild To {0}", nextChildModel.DockWidth));
}
else
{
//Trace.WriteLine(string.Format("PrevChild From {0}", prevChildModel.DockHeight));
if (prevChildModel.DockHeight.IsAuto)
{
prevChildModel.DockHeight = new GridLength(prevChildActualSize.Height + delta, GridUnitType.Pixel);
}
else if (prevChildModel.DockHeight.IsStar)
{
prevChildModel.DockHeight = new GridLength(prevChildModel.DockHeight.Value * (prevChildActualSize.Height + delta) / prevChildActualSize.Height, GridUnitType.Star);
}
else
{
prevChildModel.DockHeight = new GridLength(prevChildModel.DockHeight.Value + delta, GridUnitType.Pixel);
}
//Trace.WriteLine(string.Format("PrevChild To {0}", prevChildModel.DockHeight));
//Trace.WriteLine(string.Format("NextChild From {0}", nextChildModel.DockHeight));
if (nextChildModel.DockHeight.IsAuto)
{
nextChildModel.DockHeight = new GridLength(nextChildActualSize.Height - delta, GridUnitType.Pixel);
}
else if (nextChildModel.DockHeight.IsStar)
{
nextChildModel.DockHeight = new GridLength(nextChildModel.DockHeight.Value * (nextChildActualSize.Height - delta) / nextChildActualSize.Height, GridUnitType.Star);
}
else
{
nextChildModel.DockHeight = new GridLength(nextChildModel.DockHeight.Value - delta, GridUnitType.Pixel);
}
//Trace.WriteLine(string.Format("NextChild To {0}", nextChildModel.DockHeight));
}
HideResizerOverlayWindow();
var manager = _model.Root.Manager;
if (manager != null)
{
manager.OnLayoutConfigurationChanged();
}
}
void ShowResizerOverlayWindow(LayoutGridResizerControl splitter)
{
_resizerGhost = new Border()
{
Background = splitter.BackgroundWhileDragging,
Opacity = splitter.OpacityWhileDragging
};
int indexOfResizer = InternalChildren.IndexOf(splitter);
var prevChild = InternalChildren[indexOfResizer - 1] as FrameworkElement;
var nextChild = GetNextVisibleChild(indexOfResizer);
var prevChildActualSize = prevChild.TransformActualSizeToAncestor();
var nextChildActualSize = nextChild.TransformActualSizeToAncestor();
var prevChildModel = (ILayoutPositionableElement)(prevChild as ILayoutControl).Model;
var nextChildModel = (ILayoutPositionableElement)(nextChild as ILayoutControl).Model;
Point ptTopLeftScreen = prevChild.PointToScreenDPIWithoutFlowDirection(new Point());
Size actualSize;
if (Orientation == System.Windows.Controls.Orientation.Horizontal)
{
actualSize = new Size(
prevChildActualSize.Width - prevChildModel.DockMinWidth + splitter.ActualWidth + nextChildActualSize.Width - nextChildModel.DockMinWidth,
nextChildActualSize.Height);
_resizerGhost.Width = splitter.ActualWidth;
_resizerGhost.Height = actualSize.Height;
ptTopLeftScreen.Offset(prevChildModel.DockMinWidth, 0.0);
}
else
{
actualSize = new Size(
prevChildActualSize.Width,
prevChildActualSize.Height - prevChildModel.DockMinHeight + splitter.ActualHeight + nextChildActualSize.Height - nextChildModel.DockMinHeight);
_resizerGhost.Height = splitter.ActualHeight;
_resizerGhost.Width = actualSize.Width;
ptTopLeftScreen.Offset(0.0, prevChildModel.DockMinHeight);
}
_initialStartPoint = splitter.PointToScreenDPIWithoutFlowDirection(new Point()) - ptTopLeftScreen;
if (Orientation == System.Windows.Controls.Orientation.Horizontal)
{
Canvas.SetLeft(_resizerGhost, _initialStartPoint.X);
}
else
{
Canvas.SetTop(_resizerGhost, _initialStartPoint.Y);
}
Canvas panelHostResizer = new Canvas()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch
};
panelHostResizer.Children.Add(_resizerGhost);
_resizerWindowHost = new Window()
{
SizeToContent = System.Windows.SizeToContent.Manual,
ResizeMode = ResizeMode.NoResize,
WindowStyle = System.Windows.WindowStyle.None,
ShowInTaskbar = false,
AllowsTransparency = true,
Background = null,
Width = actualSize.Width,
Height = actualSize.Height,
Left = ptTopLeftScreen.X,
Top = ptTopLeftScreen.Y,
ShowActivated = false,
//Owner = Window.GetWindow(this),
Content = panelHostResizer
};
_resizerWindowHost.Loaded += (s, e) =>
{
_resizerWindowHost.SetParentToMainWindowOf(this);
};
_resizerWindowHost.Show();
}
private void CreateInternalGrid()
{
this._internalGrid = new Grid()
{
FlowDirection = System.Windows.FlowDirection.LeftToRight
};
this._internalGrid.SetBinding(Panel.BackgroundProperty, new Binding("Background")
{
Source = this
});
this._internalHost = new LayoutAnchorableControl()
{
Model = this._model,
Style = this.AnchorableStyle
};
this._internalHost.SetBinding(FrameworkElement.FlowDirectionProperty, new Binding("Model.Root.Manager.FlowDirection")
{
Source = this
});
System.Windows.Input.KeyboardNavigation.SetTabNavigation(this._internalGrid, KeyboardNavigationMode.Cycle);
this._resizer = new LayoutGridResizerControl();
this._resizer.DragStarted += new DragStartedEventHandler(this.OnResizerDragStarted);
this._resizer.DragDelta += new DragDeltaEventHandler(this.OnResizerDragDelta);
this._resizer.DragCompleted += new DragCompletedEventHandler(this.OnResizerDragCompleted);
if (this._side == AnchorSide.Right)
{
this._internalGrid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(this._manager.GridSplitterWidth)
});
this._internalGrid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = (this._model.AutoHideWidth == 0 ? new GridLength(this._model.AutoHideMinWidth) : new GridLength(this._model.AutoHideWidth, GridUnitType.Pixel))
});
Grid.SetColumn(this._resizer, 0);
Grid.SetColumn(this._internalHost, 1);
this._resizer.Cursor = Cursors.SizeWE;
base.HorizontalAlignment = System.Windows.HorizontalAlignment.Right;
base.VerticalAlignment = System.Windows.VerticalAlignment.Stretch;
}
else if (this._side == AnchorSide.Left)
{
this._internalGrid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = (this._model.AutoHideWidth == 0 ? new GridLength(this._model.AutoHideMinWidth) : new GridLength(this._model.AutoHideWidth, GridUnitType.Pixel))
});
this._internalGrid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(this._manager.GridSplitterWidth)
});
Grid.SetColumn(this._internalHost, 0);
Grid.SetColumn(this._resizer, 1);
this._resizer.Cursor = Cursors.SizeWE;
base.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
base.VerticalAlignment = System.Windows.VerticalAlignment.Stretch;
}
else if (this._side == AnchorSide.Top)
{
this._internalGrid.RowDefinitions.Add(new RowDefinition()
{
Height = (this._model.AutoHideHeight == 0 ? new GridLength(this._model.AutoHideMinHeight) : new GridLength(this._model.AutoHideHeight, GridUnitType.Pixel))
});
this._internalGrid.RowDefinitions.Add(new RowDefinition()
{
Height = new GridLength(this._manager.GridSplitterHeight)
});
Grid.SetRow(this._internalHost, 0);
Grid.SetRow(this._resizer, 1);
this._resizer.Cursor = Cursors.SizeNS;
base.VerticalAlignment = System.Windows.VerticalAlignment.Top;
base.HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
}
else if (this._side == AnchorSide.Bottom)
{
this._internalGrid.RowDefinitions.Add(new RowDefinition()
{
Height = new GridLength(this._manager.GridSplitterHeight)
});
this._internalGrid.RowDefinitions.Add(new RowDefinition()
{
Height = (this._model.AutoHideHeight == 0 ? new GridLength(this._model.AutoHideMinHeight) : new GridLength(this._model.AutoHideHeight, GridUnitType.Pixel))
});
Grid.SetRow(this._resizer, 0);
Grid.SetRow(this._internalHost, 1);
this._resizer.Cursor = Cursors.SizeNS;
base.VerticalAlignment = System.Windows.VerticalAlignment.Bottom;
base.HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
}
this._internalGrid.Children.Add(this._resizer);
this._internalGrid.Children.Add(this._internalHost);
this._internalHostPresenter.Content = this._internalGrid;
}
private void ShowResizerOverlayWindow(LayoutGridResizerControl splitter)
{
Size size;
this._resizerGhost = new Border()
{
Background = splitter.BackgroundWhileDragging,
Opacity = splitter.OpacityWhileDragging
};
FrameworkElement autoHideAreaElement = this._manager.GetAutoHideAreaElement();
this._internalHost.TransformActualSizeToAncestor();
Point point = new Point();
Point screenDPIWithoutFlowDirection = autoHideAreaElement.PointToScreenDPIWithoutFlowDirection(point);
Size ancestor = autoHideAreaElement.TransformActualSizeToAncestor();
if (this._side == AnchorSide.Right || this._side == AnchorSide.Left)
{
size = new Size(ancestor.Width - 25 + splitter.ActualWidth, ancestor.Height);
this._resizerGhost.Width = splitter.ActualWidth;
this._resizerGhost.Height = size.Height;
screenDPIWithoutFlowDirection.Offset(25, 0);
}
else
{
size = new Size(ancestor.Width, ancestor.Height - this._model.AutoHideMinHeight - 25 + splitter.ActualHeight);
this._resizerGhost.Height = splitter.ActualHeight;
this._resizerGhost.Width = size.Width;
screenDPIWithoutFlowDirection.Offset(0, 25);
}
point = new Point();
this._initialStartPoint = splitter.PointToScreenDPIWithoutFlowDirection(point) - screenDPIWithoutFlowDirection;
if (this._side == AnchorSide.Right || this._side == AnchorSide.Left)
{
Canvas.SetLeft(this._resizerGhost, this._initialStartPoint.X);
}
else
{
Canvas.SetTop(this._resizerGhost, this._initialStartPoint.Y);
}
Canvas canva = new Canvas()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch
};
canva.Children.Add(this._resizerGhost);
this._resizerWindowHost = new Window()
{
ResizeMode = ResizeMode.NoResize,
WindowStyle = WindowStyle.None,
ShowInTaskbar = false,
AllowsTransparency = true,
Background = null,
Width = size.Width,
Height = size.Height,
Left = screenDPIWithoutFlowDirection.X,
Top = screenDPIWithoutFlowDirection.Y,
ShowActivated = false,
Owner = Window.GetWindow(this),
Content = canva
};
this._resizerWindowHost.Show();
}
private void OnSplitterDragCompleted(object sender, System.Windows.Controls.Primitives.DragCompletedEventArgs e)
{
LayoutGridResizerControl splitter = sender as LayoutGridResizerControl;
var rootVisual = this.FindVisualTreeRoot() as Visual;
var trToWnd = TransformToAncestor(rootVisual);
Vector transformedDelta = trToWnd.Transform(new Point(e.HorizontalChange, e.VerticalChange)) -
trToWnd.Transform(new Point());
double delta;
if (Orientation == System.Windows.Controls.Orientation.Horizontal)
{
delta = Canvas.GetLeft(_resizerGhost) - _initialStartPoint.X;
}
else
{
delta = Canvas.GetTop(_resizerGhost) - _initialStartPoint.Y;
}
int indexOfResizer = InternalChildren.IndexOf(splitter);
var prevChild = InternalChildren[indexOfResizer - 1] as FrameworkElement;
var nextChild = GetNextVisibleChild(indexOfResizer);
var prevChildActualSize = prevChild.TransformActualSizeToAncestor();
var nextChildActualSize = nextChild.TransformActualSizeToAncestor();
var prevChildModel = ( ILayoutPositionableElement )(prevChild as ILayoutControl).Model;
var nextChildModel = ( ILayoutPositionableElement )(nextChild as ILayoutControl).Model;
if (Orientation == System.Windows.Controls.Orientation.Horizontal)
{
if (prevChildModel.DockWidth.IsStar)
{
prevChildModel.DockWidth = new GridLength(prevChildModel.DockWidth.Value * (prevChildActualSize.Width + delta) / prevChildActualSize.Width, GridUnitType.Star);
}
else
{
var width = (prevChildModel.DockWidth.IsAuto) ? prevChildActualSize.Width : prevChildModel.DockWidth.Value;
var resizedWidth = width + delta;
prevChildModel.DockWidth = new GridLength(double.IsNaN(resizedWidth) ? width : resizedWidth, GridUnitType.Pixel);
}
if (nextChildModel.DockWidth.IsStar)
{
nextChildModel.DockWidth = new GridLength(nextChildModel.DockWidth.Value * (nextChildActualSize.Width - delta) / nextChildActualSize.Width, GridUnitType.Star);
}
else
{
var width = (nextChildModel.DockWidth.IsAuto) ? nextChildActualSize.Width : nextChildModel.DockWidth.Value;
var resizedWidth = width - delta;
nextChildModel.DockWidth = new GridLength(double.IsNaN(resizedWidth) ? width : resizedWidth, GridUnitType.Pixel);
}
}
else
{
if (prevChildModel.DockHeight.IsStar)
{
prevChildModel.DockHeight = new GridLength(prevChildModel.DockHeight.Value * (prevChildActualSize.Height + delta) / prevChildActualSize.Height, GridUnitType.Star);
}
else
{
var height = (prevChildModel.DockHeight.IsAuto) ? prevChildActualSize.Height : prevChildModel.DockHeight.Value;
var resizedHeight = height + delta;
prevChildModel.DockHeight = new GridLength(double.IsNaN(resizedHeight) ? height : resizedHeight, GridUnitType.Pixel);
}
if (nextChildModel.DockHeight.IsStar)
{
nextChildModel.DockHeight = new GridLength(nextChildModel.DockHeight.Value * (nextChildActualSize.Height - delta) / nextChildActualSize.Height, GridUnitType.Star);
}
else
{
var height = (nextChildModel.DockHeight.IsAuto) ? nextChildActualSize.Height : nextChildModel.DockHeight.Value;
var resizedHeight = height - delta;
nextChildModel.DockHeight = new GridLength(double.IsNaN(resizedHeight) ? height : resizedHeight, GridUnitType.Pixel);
}
}
HideResizerOverlayWindow();
}
private void OnSplitterDragCompleted(object sender, DragCompletedEventArgs e)
{
double num;
GridLength dockHeight;
LayoutGridResizerControl layoutGridResizerControl = sender as LayoutGridResizerControl;
GeneralTransform ancestor = base.TransformToAncestor(this.FindVisualTreeRoot() as Visual);
Vector vector = ancestor.Transform(new Point(e.HorizontalChange, e.VerticalChange)) - ancestor.Transform(new Point());
num = (this.Orientation != System.Windows.Controls.Orientation.Horizontal ? Canvas.GetTop(this._resizerGhost) - this._initialStartPoint.Y : Canvas.GetLeft(this._resizerGhost) - this._initialStartPoint.X);
int num1 = base.InternalChildren.IndexOf(layoutGridResizerControl);
FrameworkElement item = base.InternalChildren[num1 - 1] as FrameworkElement;
FrameworkElement nextVisibleChild = this.GetNextVisibleChild(num1);
Size size = item.TransformActualSizeToAncestor();
Size ancestor1 = nextVisibleChild.TransformActualSizeToAncestor();
ILayoutPositionableElement model = (ILayoutPositionableElement)(item as ILayoutControl).Model;
ILayoutPositionableElement gridLength = (ILayoutPositionableElement)(nextVisibleChild as ILayoutControl).Model;
if (this.Orientation != System.Windows.Controls.Orientation.Horizontal)
{
if (!model.DockHeight.IsStar)
{
dockHeight = model.DockHeight;
model.DockHeight = new GridLength(dockHeight.Value + num, GridUnitType.Pixel);
}
else
{
dockHeight = model.DockHeight;
model.DockHeight = new GridLength(dockHeight.Value * (size.Height + num) / size.Height, GridUnitType.Star);
}
if (!gridLength.DockHeight.IsStar)
{
dockHeight = gridLength.DockHeight;
gridLength.DockHeight = new GridLength(dockHeight.Value - num, GridUnitType.Pixel);
}
else
{
dockHeight = gridLength.DockHeight;
gridLength.DockHeight = new GridLength(dockHeight.Value * (ancestor1.Height - num) / ancestor1.Height, GridUnitType.Star);
}
}
else
{
if (!model.DockWidth.IsStar)
{
dockHeight = model.DockWidth;
model.DockWidth = new GridLength(dockHeight.Value + num, GridUnitType.Pixel);
}
else
{
dockHeight = model.DockWidth;
model.DockWidth = new GridLength(dockHeight.Value * (size.Width + num) / size.Width, GridUnitType.Star);
}
if (!gridLength.DockWidth.IsStar)
{
dockHeight = gridLength.DockWidth;
gridLength.DockWidth = new GridLength(dockHeight.Value - num, GridUnitType.Pixel);
}
else
{
dockHeight = gridLength.DockWidth;
gridLength.DockWidth = new GridLength(dockHeight.Value * (ancestor1.Width - num) / ancestor1.Width, GridUnitType.Star);
}
}
this.HideResizerOverlayWindow();
}
private void ShowResizerOverlayWindow(LayoutGridResizerControl splitter)
{
Size size;
this._resizerGhost = new Border()
{
Background = splitter.BackgroundWhileDragging,
Opacity = splitter.OpacityWhileDragging
};
int num = base.InternalChildren.IndexOf(splitter);
FrameworkElement item = base.InternalChildren[num - 1] as FrameworkElement;
FrameworkElement nextVisibleChild = this.GetNextVisibleChild(num);
Size ancestor = item.TransformActualSizeToAncestor();
Size ancestor1 = nextVisibleChild.TransformActualSizeToAncestor();
ILayoutPositionableElement model = (ILayoutPositionableElement)(item as ILayoutControl).Model;
ILayoutPositionableElement layoutPositionableElement = (ILayoutPositionableElement)(nextVisibleChild as ILayoutControl).Model;
Point point = new Point();
Point screenDPIWithoutFlowDirection = item.PointToScreenDPIWithoutFlowDirection(point);
if (this.Orientation != System.Windows.Controls.Orientation.Horizontal)
{
size = new Size(ancestor.Width, ancestor.Height - model.DockMinHeight + splitter.ActualHeight + ancestor1.Height - layoutPositionableElement.DockMinHeight);
this._resizerGhost.Height = splitter.ActualHeight;
this._resizerGhost.Width = size.Width;
screenDPIWithoutFlowDirection.Offset(0, model.DockMinHeight);
}
else
{
size = new Size(ancestor.Width - model.DockMinWidth + splitter.ActualWidth + ancestor1.Width - layoutPositionableElement.DockMinWidth, ancestor1.Height);
this._resizerGhost.Width = splitter.ActualWidth;
this._resizerGhost.Height = size.Height;
screenDPIWithoutFlowDirection.Offset(model.DockMinWidth, 0);
}
point = new Point();
this._initialStartPoint = splitter.PointToScreenDPIWithoutFlowDirection(point) - screenDPIWithoutFlowDirection;
if (this.Orientation != System.Windows.Controls.Orientation.Horizontal)
{
Canvas.SetTop(this._resizerGhost, this._initialStartPoint.Y);
}
else
{
Canvas.SetLeft(this._resizerGhost, this._initialStartPoint.X);
}
Canvas canva = new Canvas()
{
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch,
VerticalAlignment = System.Windows.VerticalAlignment.Stretch
};
canva.Children.Add(this._resizerGhost);
this._resizerWindowHost = new Window()
{
SizeToContent = SizeToContent.Manual,
ResizeMode = ResizeMode.NoResize,
WindowStyle = WindowStyle.None,
ShowInTaskbar = false,
AllowsTransparency = true,
Background = null,
Width = size.Width,
Height = size.Height,
Left = screenDPIWithoutFlowDirection.X,
Top = screenDPIWithoutFlowDirection.Y,
ShowActivated = false,
Content = canva
};
this._resizerWindowHost.Loaded += new RoutedEventHandler((object s, RoutedEventArgs e) => this._resizerWindowHost.SetParentToMainWindowOf(this));
this._resizerWindowHost.Show();
}
