private static void DatabackgroundCallBack(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CanvasLayoutThumbnail _owner = d as CanvasLayoutThumbnail;
Canvas canvas = new Canvas();
foreach (var item in _owner.DataBackground.MainLayer.Children)
{
if (item.ToString() == (typeof(EStandardElement)).ToString())
{
var _standardElement = ObjectElementsHelper.LoadData(item);
if (_standardElement != null)
{
canvas.Children.Add(_standardElement);
}
}
}
for (int i = 0; i < _owner.Children.Count; i++)
{
if (_owner.Children[i] is Canvas)
{
_owner.Children.RemoveAt(i);
break;
}
}
Panel.SetZIndex(canvas, -1);
_owner.Children.Add(canvas);
}
private static void BackgroundStyleCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CanvasLayoutThumbnail _owner = d as CanvasLayoutThumbnail;
BackgroundItem backgroundItem = e.NewValue as BackgroundItem;
if (backgroundItem != null)
{
_owner.Background = backgroundItem.ColorStyle;
}
}
private static void SelectedColorCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CanvasLayoutThumbnail _owner = d as CanvasLayoutThumbnail;
foreach (var item in _owner.Children)
{
if (item is StandardElement standardElement)
{
standardElement.UpdateThemeColor();
}
if (item is Canvas canvas)
{
foreach (StandardElement child in canvas.Children)
{
child.UpdateThemeColor();
}
}
}
}
private static void IsHideBackgroundCallBack(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CanvasLayoutThumbnail _owner = d as CanvasLayoutThumbnail;
for (int i = 0; i < _owner.Children.Count; i++)
{
if (_owner.Children[i] is Canvas)
{
if ((bool)e.NewValue)
{
_owner.Children[i].Visibility = Visibility.Collapsed;
}
else
{
_owner.Children[i].Visibility = Visibility.Visible;
}
break;
}
}
}
private static void DataCallBack(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CanvasLayoutThumbnail _owner = d as CanvasLayoutThumbnail;
_owner.Children.Clear();
foreach (ObjectElementBase item in _owner.Data.MainLayer.Children)
{
if (item.ToString() == (typeof(EStandardElement)).ToString() || item is EImageContent)
{
var _standardElement = ObjectElementsHelper.LoadData(item);
if (_standardElement != null)
{
_owner.Children.Add(_standardElement);
}
}
if (item.Visibility == Visibility.Visible)
{
if (item is EPlaceHolder)
{
Rectangle rectangle = new Rectangle();
rectangle.Width = item.Width;
rectangle.Height = item.Height;
Canvas.SetTop(rectangle, item.Top);
Canvas.SetLeft(rectangle, item.Left);
rectangle.Stroke = Brushes.Black;
rectangle.StrokeThickness = 7;
rectangle.StrokeDashArray = new DoubleCollection {
3, 3
};
_owner.Children.Add(rectangle);
}
if (item is DataDocument dataDocument)
{
if (dataDocument.TypeText == Text.TypeText.Title || dataDocument.TypeText == Text.TypeText.Text)
{
Rectangle rectangle = new Rectangle();
rectangle.Width = dataDocument.Width;
rectangle.Height = dataDocument.Height;
Canvas.SetTop(rectangle, dataDocument.Top);
Canvas.SetLeft(rectangle, dataDocument.Left);
rectangle.Stroke = Brushes.Black;
rectangle.StrokeThickness = 7;
rectangle.StrokeDashArray = new DoubleCollection {
3, 3
};
_owner.Children.Add(rectangle);
}
}
}
}
if (!_owner.Data.IsHideBackground && _owner.Data.Parent != null)
{
Canvas canvas = new Canvas();
foreach (var item in _owner.Data.Parent.MainLayer.Children)
{
if (item.ToString() == (typeof(EStandardElement)).ToString())
{
var _standardElement = ObjectElementsHelper.LoadData(item);
if (_standardElement != null)
{
canvas.Children.Add(_standardElement);
}
}
}
for (int i = 0; i < _owner.Children.Count; i++)
{
if (_owner.Children[i] is Canvas)
{
_owner.Children.RemoveAt(i);
break;
}
}
Panel.SetZIndex(canvas, -1);
_owner.Children.Add(canvas);
}
}
