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add imagebrushes

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This commit is contained in:
bluepilledgreat 2024-10-20 18:59:23 +01:00
parent e8d1fbac94
commit a46df0e790
1 changed files with 133 additions and 25 deletions
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158
Bloxstrap/UI/Elements/Bootstrapper/CustomDialog.Creator.cs
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@ -22,6 +22,9 @@ namespace Bloxstrap.UI.Elements.Bootstrapper
private static BrushConverter? _brushConverter = null;
private static BrushConverter BrushConverter { get => _brushConverter ??= new BrushConverter(); }
private static RectConverter? _rectConverter = null;
public static RectConverter RectConverter { get => _rectConverter ??= new RectConverter(); }
private bool _initialised = false;
// prevent users from creating elements with the same name multiple times
@ -30,6 +33,7 @@ namespace Bloxstrap.UI.Elements.Bootstrapper
private string ThemeDir { get; set; } = "";
delegate UIElement? HandleXmlElementDelegate(CustomDialog dialog, XElement xmlElement);
delegate Brush HandleXmlBrushElementDelegate(CustomDialog dialog, XElement xmlElement);
delegate void HandleXmlTransformationElementDelegate(TransformGroup group, XElement xmlElement);
private static Dictionary<string, HandleXmlElementDelegate> _elementHandlerMap = new Dictionary<string, HandleXmlElementDelegate>()
@ -43,6 +47,11 @@ namespace Bloxstrap.UI.Elements.Bootstrapper
["Image"] = HandleXmlElement_Image
};
private static Dictionary<string, HandleXmlBrushElementDelegate> _brushHandlerMap = new Dictionary<string, HandleXmlBrushElementDelegate>()
{
["ImageBrush"] = HandleXmlBrush_ImageBrush
};
private static Dictionary<string, HandleXmlTransformationElementDelegate> _transformationHandlerMap = new Dictionary<string, HandleXmlTransformationElementDelegate>()
{
["ScaleTransform"] = HandleXmlTransformationElement_ScaleTransform,
@ -176,6 +185,28 @@ namespace Bloxstrap.UI.Elements.Bootstrapper
return thickness;
}
private static object? GetRectFromXElement(XElement xmlElement, string attributeName)
{
string? attributeValue = xmlElement.Attribute(attributeName)?.Value?.ToString();
if (attributeValue == null)
return null;
object? rect;
try
{
rect = RectConverter.ConvertFromInvariantString(attributeValue);
}
catch (Exception ex)
{
throw new Exception($"{xmlElement.Name} has invalid {attributeName}: {ex.Message}", ex);
}
if (rect == null)
throw new Exception($"{xmlElement.Name} has invalid {attributeName}");
return rect;
}
private static FontWeight GetFontWeightFromXElement(XElement element)
{
string? value = element.Attribute("FontWeight")?.Value?.ToString();
@ -367,6 +398,100 @@ namespace Bloxstrap.UI.Elements.Bootstrapper
}
#endregion
#region Brushes
private static Brush HandleXmlBrush_ImageBrush(CustomDialog dialog, XElement xmlElement)
{
var imageBrush = new ImageBrush();
imageBrush.AlignmentX = ParseXmlAttribute<AlignmentX>(xmlElement, "AlignmentX", AlignmentX.Center);
imageBrush.AlignmentY = ParseXmlAttribute<AlignmentY>(xmlElement, "AlignmentY", AlignmentY.Center);
imageBrush.Opacity = ParseXmlAttribute<double>(xmlElement, "Opacity", 1.0);
imageBrush.Stretch = ParseXmlAttribute<Stretch>(xmlElement, "Stretch", Stretch.Fill);
imageBrush.TileMode = ParseXmlAttribute<TileMode>(xmlElement, "TileMode", TileMode.None);
imageBrush.ViewboxUnits = ParseXmlAttribute<BrushMappingMode>(xmlElement, "ViewboxUnits", BrushMappingMode.RelativeToBoundingBox);
imageBrush.ViewportUnits = ParseXmlAttribute<BrushMappingMode>(xmlElement, "ViewportUnits", BrushMappingMode.RelativeToBoundingBox);
var viewbox = GetRectFromXElement(xmlElement, "Viewbox");
if (viewbox is Rect)
imageBrush.Viewbox = (Rect)viewbox;
var viewport = GetRectFromXElement(xmlElement, "Viewport");
if (viewport is Rect)
imageBrush.Viewport = (Rect)viewport;
string sourcePath = GetXmlAttribute(xmlElement, "ImageSource");
sourcePath = sourcePath.Replace("theme://", $"{dialog.ThemeDir}\\");
if (sourcePath == "{Icon}")
{
// bind the icon property
Binding binding = new Binding("Icon") { Mode = BindingMode.OneWay };
BindingOperations.SetBinding(imageBrush, ImageBrush.ImageSourceProperty, binding);
}
else
{
if (!Uri.TryCreate(sourcePath, UriKind.RelativeOrAbsolute, out Uri? result))
throw new Exception("ImageBrush failed to parse ImageSource as Uri");
if (result == null)
throw new Exception("ImageBrush ImageSource uri is null");
BitmapImage bitmapImage;
try
{
bitmapImage = new BitmapImage(result);
}
catch (Exception ex)
{
throw new Exception($"ImageBrush Failed to create BitmapImage: {ex.Message}", ex);
}
imageBrush.ImageSource = bitmapImage;
}
return imageBrush;
}
private static Brush HandleXmlBrush(CustomDialog dialog, XElement xmlElement)
{
if (!_brushHandlerMap.ContainsKey(xmlElement.Name.ToString()))
throw new Exception($"Unknown brush {xmlElement.Name}");
return _brushHandlerMap[xmlElement.Name.ToString()](dialog, xmlElement);
}
private static void ApplyBrush_UIElement(CustomDialog dialog, FrameworkElement uiElement, string name, DependencyProperty dependencyProperty, XElement xmlElement)
{
// check if attribute exists
object? brushAttr = GetBrushFromXElement(xmlElement, name);
if (brushAttr is Brush)
{
uiElement.SetValue(dependencyProperty, brushAttr);
return;
}
else if (brushAttr is string)
{
uiElement.SetResourceReference(dependencyProperty, brushAttr);
return;
}
// check if element exists
var brushElement = xmlElement.Element($"{xmlElement.Name}.{name}");
if (brushElement == null)
return;
var first = brushElement.FirstNode as XElement;
if (first == null)
throw new Exception($"{xmlElement.Name} {name} is missing the brush");
var brush = HandleXmlBrush(dialog, first);
uiElement.SetValue(dependencyProperty, brush);
}
#endregion
#region Elements
private static void HandleXmlElement_FrameworkElement(CustomDialog dialog, FrameworkElement uiElement, XElement xmlElement)
{
@ -412,23 +537,11 @@ namespace Bloxstrap.UI.Elements.Bootstrapper
if (borderThickness != null)
uiElement.BorderThickness = (Thickness)borderThickness;
object? foregroundBrush = GetBrushFromXElement(xmlElement, "Foreground");
if (foregroundBrush is Brush)
uiElement.Foreground = (Brush)foregroundBrush;
else if (foregroundBrush is string)
uiElement.SetResourceReference(Control.ForegroundProperty, foregroundBrush);
ApplyBrush_UIElement(dialog, uiElement, "Foreground", Control.ForegroundProperty, xmlElement);
object? backgroundBrush = GetBrushFromXElement(xmlElement, "Background");
if (backgroundBrush is Brush)
uiElement.Background = (Brush)backgroundBrush;
else if (backgroundBrush is string)
uiElement.SetResourceReference(Control.BackgroundProperty, backgroundBrush);
ApplyBrush_UIElement(dialog, uiElement, "Background", Control.BackgroundProperty, xmlElement);
object? borderBrush = GetBrushFromXElement(xmlElement, "BorderBrush");
if (borderBrush is Brush)
uiElement.BorderBrush = (Brush)borderBrush;
else if (borderBrush is string)
uiElement.SetResourceReference(Control.BorderBrushProperty, borderBrush);
ApplyBrush_UIElement(dialog, uiElement, "BorderBrush", Control.BorderBrushProperty, xmlElement);
}
private static UIElement? HandleXmlElement_BloxstrapCustomBootstrapper(CustomDialog dialog, XElement xmlElement)
@ -549,17 +662,9 @@ namespace Bloxstrap.UI.Elements.Bootstrapper
textBlock.Text = xmlElement.Attribute("Text")?.Value;
object? foregroundBrush = GetBrushFromXElement(xmlElement, "Foreground");
if (foregroundBrush is Brush)
textBlock.Foreground = (Brush)foregroundBrush;
else if (foregroundBrush is string)
textBlock.SetResourceReference(TextBlock.ForegroundProperty, foregroundBrush);
ApplyBrush_UIElement(dialog, textBlock, "Foreground", TextBlock.ForegroundProperty, xmlElement);
object? backgroundBrush = GetBrushFromXElement(xmlElement, "Background");
if (backgroundBrush is Brush)
textBlock.Foreground = (Brush)backgroundBrush;
else if (backgroundBrush is string)
textBlock.SetResourceReference(TextBlock.BackgroundProperty, backgroundBrush);
ApplyBrush_UIElement(dialog, textBlock, "Background", TextBlock.BackgroundProperty, xmlElement);
var fontSize = ParseXmlAttributeNullable<double>(xmlElement, "FontSize");
if (fontSize is double)
@ -675,6 +780,9 @@ namespace Bloxstrap.UI.Elements.Bootstrapper
private static void HandleAndAddXml(CustomDialog dialog, XElement xmlElement)
{
if (xmlElement.Name.ToString().StartsWith($"{xmlElement.Parent!.Name}."))
return; // not an xml element
var uiElement = HandleXml(dialog, xmlElement);
if (uiElement != null)
dialog.ElementGrid.Children.Add(uiElement);