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Grid snaps for ZoomControl, not critical Theme corrections, new demo set

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This commit is contained in:
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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43
BrightSharp/Diagrams/Thumbs/MoveThumb.cs
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@@ -11,44 +11,61 @@ namespace BrightSharp.Diagrams
public class MoveThumb : Thumb
{
private RotateTransform rotateTransform;
private ContentControl designerItem;
private FrameworkElement designerItem;
private static int? zIndex = null;
public MoveThumb() {
public MoveThumb()
{
DragStarted += MoveThumb_DragStarted;
DragDelta += MoveThumb_DragDelta;
DragCompleted += MoveThumb_DragCompleted;
}
private void MoveThumb_DragCompleted(object sender, DragCompletedEventArgs e) {
private void MoveThumb_DragCompleted(object sender, DragCompletedEventArgs e)
{
//TODO Need think about ZIndex changes
}
private void MoveThumb_DragStarted(object sender, DragStartedEventArgs e) {
designerItem = DataContext as ContentControl;
private void MoveThumb_DragStarted(object sender, DragStartedEventArgs e)
{
designerItem = DataContext as FrameworkElement;
if (designerItem != null) {
if (designerItem != null)
{
rotateTransform = designerItem.RenderTransform as RotateTransform;
if (designerItem.GetBindingExpression(Panel.ZIndexProperty) == null) {
if (designerItem.GetBindingExpression(Panel.ZIndexProperty) == null)
{
zIndex = Math.Max(zIndex ?? 0, Panel.GetZIndex(designerItem));
Panel.SetZIndex(designerItem, zIndex.Value + 1);
}
}
}
private void MoveThumb_DragDelta(object sender, DragDeltaEventArgs e) {
if (designerItem != null) {
private void MoveThumb_DragDelta(object sender, DragDeltaEventArgs e)
{
if (designerItem != null)
{
Point dragDelta = new Point(e.HorizontalChange, e.VerticalChange);
if (rotateTransform != null) {
var zoomControl = designerItem.Parent as dynamic;
double.TryParse(zoomControl.Tag as string, out var gridSize);
if (rotateTransform != null)
{
dragDelta = rotateTransform.Transform(dragDelta);
}
if (double.IsNaN(Canvas.GetLeft(designerItem))) Canvas.SetLeft(designerItem, 0);
if (double.IsNaN(Canvas.GetTop(designerItem))) Canvas.SetTop(designerItem, 0);
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) + dragDelta.X);
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) + dragDelta.Y);
var newLeft = Canvas.GetLeft(designerItem) + dragDelta.X;
var newTop = Canvas.GetTop(designerItem) + dragDelta.Y;
if (gridSize > 0)
{
newLeft = Math.Truncate(newLeft / gridSize) * gridSize;
newTop = Math.Truncate(newTop / gridSize) * gridSize;
}
Canvas.SetLeft(designerItem, newLeft);
Canvas.SetTop(designerItem, newTop);
}
}

96
BrightSharp/Diagrams/Thumbs/ResizeThumb.cs
View File

@@ -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;
}
}
}