Sharp8N/BrightSharp.Toolkit
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Grid snaps for ZoomControl, not critical Theme corrections, new demo set

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Vitali Semianiaka
2019-06-22 00:42:22 +03:00
parent 70aada3d59
commit 5da5856308
11 changed files with 395 additions and 75 deletions
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96
BrightSharp/Diagrams/Thumbs/ResizeThumb.cs
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@@ -16,8 +16,8 @@ namespace BrightSharp.Diagrams
private double angle;
private Adorner adorner;
private Point transformOrigin;
private ContentControl designerItem;
private Canvas canvas;
private FrameworkElement designerItem;
private FrameworkElement canvas;
public ResizeThumb()
{
@@ -29,7 +29,7 @@ namespace BrightSharp.Diagrams
private void ResizeThumb_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
designerItem = designerItem ?? DataContext as ContentControl;
designerItem = designerItem ?? DataContext as FrameworkElement;
if (VerticalAlignment == VerticalAlignment.Top || VerticalAlignment == VerticalAlignment.Bottom)
{
@@ -47,7 +47,7 @@ namespace BrightSharp.Diagrams
if (designerItem != null)
{
canvas = VisualTreeHelper.GetParent(designerItem) as Canvas;
canvas = VisualTreeHelper.GetParent(designerItem) as FrameworkElement;
if (canvas != null)
{
@@ -83,44 +83,60 @@ namespace BrightSharp.Diagrams
if ((VerticalAlignment == VerticalAlignment.Top || VerticalAlignment == VerticalAlignment.Bottom) && double.IsNaN(designerItem.Height)) designerItem.Height = designerItem.ActualHeight;
if ((HorizontalAlignment == HorizontalAlignment.Left || HorizontalAlignment == HorizontalAlignment.Right) && double.IsNaN(designerItem.Width)) designerItem.Width = designerItem.ActualWidth;
switch (VerticalAlignment)
{
case System.Windows.VerticalAlignment.Bottom:
deltaVertical = Math.Min(-e.VerticalChange, designerItem.ActualHeight - designerItem.MinHeight);
deltaVertical = Math.Max(deltaVertical, designerItem.ActualHeight - designerItem.MaxHeight);
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) + (transformOrigin.Y * deltaVertical * (1 - Math.Cos(-angle))));
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) - deltaVertical * transformOrigin.Y * Math.Sin(-angle));
designerItem.Height -= deltaVertical;
break;
case System.Windows.VerticalAlignment.Top:
deltaVertical = Math.Min(e.VerticalChange, designerItem.ActualHeight - designerItem.MinHeight);
deltaVertical = Math.Max(deltaVertical, designerItem.ActualHeight - designerItem.MaxHeight);
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) + deltaVertical * Math.Cos(-angle) + (transformOrigin.Y * deltaVertical * (1 - Math.Cos(-angle))));
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) + deltaVertical * Math.Sin(-angle) - (transformOrigin.Y * deltaVertical * Math.Sin(-angle)));
designerItem.Height -= deltaVertical;
break;
default:
break;
}
var zoomControl = designerItem.Parent as dynamic;
double.TryParse(zoomControl.Tag as string, out var gridSize);
switch (HorizontalAlignment)
var verticalChange = e.VerticalChange;
var horizontalChange = e.HorizontalChange;
if (gridSize > 0)
{
case System.Windows.HorizontalAlignment.Left:
deltaHorizontal = Math.Min(e.HorizontalChange, designerItem.ActualWidth - designerItem.MinWidth);
deltaHorizontal = Math.Max(deltaHorizontal, designerItem.ActualWidth - designerItem.MaxWidth);
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) + deltaHorizontal * Math.Sin(angle) - transformOrigin.X * deltaHorizontal * Math.Sin(angle));
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) + deltaHorizontal * Math.Cos(angle) + (transformOrigin.X * deltaHorizontal * (1 - Math.Cos(angle))));
designerItem.Width -= deltaHorizontal;
break;
case System.Windows.HorizontalAlignment.Right:
deltaHorizontal = Math.Min(-e.HorizontalChange, designerItem.ActualWidth - designerItem.MinWidth);
deltaHorizontal = Math.Max(deltaHorizontal, designerItem.ActualWidth - designerItem.MaxWidth);
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) - transformOrigin.X * deltaHorizontal * Math.Sin(angle));
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) + (deltaHorizontal * transformOrigin.X * (1 - Math.Cos(angle))));
designerItem.Width -= deltaHorizontal;
break;
default:
break;
verticalChange = Math.Truncate(verticalChange / gridSize) * gridSize;
horizontalChange = Math.Truncate(horizontalChange / gridSize) * gridSize;
}
if (verticalChange != 0)
{
switch (VerticalAlignment)
{
case System.Windows.VerticalAlignment.Bottom:
deltaVertical = Math.Min(-verticalChange, designerItem.ActualHeight - designerItem.MinHeight);
deltaVertical = Math.Max(deltaVertical, designerItem.ActualHeight - designerItem.MaxHeight);
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) + (transformOrigin.Y * deltaVertical * (1 - Math.Cos(-angle))));
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) - deltaVertical * transformOrigin.Y * Math.Sin(-angle));
designerItem.Height -= deltaVertical;
break;
case System.Windows.VerticalAlignment.Top:
deltaVertical = Math.Min(verticalChange, designerItem.ActualHeight - designerItem.MinHeight);
deltaVertical = Math.Max(deltaVertical, designerItem.ActualHeight - designerItem.MaxHeight);
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) + deltaVertical * Math.Cos(-angle) + (transformOrigin.Y * deltaVertical * (1 - Math.Cos(-angle))));
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) + deltaVertical * Math.Sin(-angle) - (transformOrigin.Y * deltaVertical * Math.Sin(-angle)));
designerItem.Height -= deltaVertical;
break;
default:
break;
}
}
if (horizontalChange != 0)
{
switch (HorizontalAlignment)
{
case System.Windows.HorizontalAlignment.Left:
deltaHorizontal = Math.Min(horizontalChange, designerItem.ActualWidth - designerItem.MinWidth);
deltaHorizontal = Math.Max(deltaHorizontal, designerItem.ActualWidth - designerItem.MaxWidth);
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) + deltaHorizontal * Math.Sin(angle) - transformOrigin.X * deltaHorizontal * Math.Sin(angle));
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) + deltaHorizontal * Math.Cos(angle) + (transformOrigin.X * deltaHorizontal * (1 - Math.Cos(angle))));
designerItem.Width -= deltaHorizontal;
break;
case System.Windows.HorizontalAlignment.Right:
deltaHorizontal = Math.Min(-horizontalChange, designerItem.ActualWidth - designerItem.MinWidth);
deltaHorizontal = Math.Max(deltaHorizontal, designerItem.ActualWidth - designerItem.MaxWidth);
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) - transformOrigin.X * deltaHorizontal * Math.Sin(angle));
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) + (deltaHorizontal * transformOrigin.X * (1 - Math.Cos(angle))));
designerItem.Width -= deltaHorizontal;
break;
default:
break;
}
}
}