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unify handlers
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@bluepilledgreat
bluepilledgreat committed Oct 20, 2024
1 parent 81e2095 commit cb70e8e
Showing 1 changed file with 62 additions and 82 deletions.
144 changes: 62 additions & 82 deletions Bloxstrap/UI/Elements/Bootstrapper/CustomDialog.Creator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,8 @@ namespace Bloxstrap.UI.Elements.Bootstrapper
{
public partial class CustomDialog
{
private class DummyFrameworkElement : FrameworkElement { }

private const int MaxElements = 100;

private bool _initialised = false;
Expand All @@ -23,36 +25,30 @@ public partial class CustomDialog

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);
delegate object HandleXmlElementDelegate(CustomDialog dialog, XElement xmlElement);

private static Dictionary<string, HandleXmlElementDelegate> _elementHandlerMap = new Dictionary<string, HandleXmlElementDelegate>()
{
//["BloxstrapCustomBootstrapper"] = HandleXmlElement_BloxstrapCustomBootstrapper,
["TitleBar"] = HandleXmlElement_TitleBar,
["Button"] = HandleXmlElement_Button,
["ProgressBar"] = HandleXmlElement_ProgressBar,
["TextBlock"] = HandleXmlElement_TextBlock,
["MarkdownTextBlock"] = HandleXmlElement_MarkdownTextBlock,
["Image"] = HandleXmlElement_Image
};
["Image"] = HandleXmlElement_Image,

private static Dictionary<string, HandleXmlBrushElementDelegate> _brushHandlerMap = new Dictionary<string, HandleXmlBrushElementDelegate>()
{
["SolidColorBrush"] = HandleXmlBrush_SolidColorBrush,
["ImageBrush"] = HandleXmlBrush_ImageBrush,
["LinearGradientBrush"] = HandleXmlBrush_LinearGradientBrush
};
["SolidColorBrush"] = HandleXml_SolidColorBrush,
["ImageBrush"] = HandleXml_ImageBrush,
["LinearGradientBrush"] = HandleXml_LinearGradientBrush,

private static Dictionary<string, HandleXmlTransformationElementDelegate> _transformationHandlerMap = new Dictionary<string, HandleXmlTransformationElementDelegate>()
{
["ScaleTransform"] = HandleXmlTransformationElement_ScaleTransform,
["SkewTransform"] = HandleXmlTransformationElement_SkewTransform,
["RotateTransform"] = HandleXmlTransformationElement_RotateTransform,
["TranslateTransform"] = HandleXmlTransformationElement_TranslateTransform
["GradientStop"] = HandleXml_GradientStop,

["ScaleTransform"] = HandleXml_ScaleTransform,
["SkewTransform"] = HandleXml_SkewTransform,
["RotateTransform"] = HandleXml_RotateTransform,
["TranslateTransform"] = HandleXml_TranslateTransform
};


#region Utilities
private static string GetXmlAttribute(XElement element, string attributeName, string? defaultValue = null)
{
Expand Down Expand Up @@ -233,7 +229,7 @@ private static FontStyle GetFontStyleFromXElement(XElement element)
#endregion

#region Transformation Elements
private static void HandleXmlTransformationElement_ScaleTransform(TransformGroup group, XElement xmlElement)
private static Transform HandleXml_ScaleTransform(CustomDialog dialog, XElement xmlElement)
{
var st = new ScaleTransform();

Expand All @@ -242,10 +238,10 @@ private static void HandleXmlTransformationElement_ScaleTransform(TransformGroup
st.CenterX = ParseXmlAttribute<double>(xmlElement, "CenterX", 0);
st.CenterY = ParseXmlAttribute<double>(xmlElement, "CenterY", 0);

group.Children.Add(st);
return st;
}

private static void HandleXmlTransformationElement_SkewTransform(TransformGroup group, XElement xmlElement)
private static Transform HandleXml_SkewTransform(CustomDialog dialog, XElement xmlElement)
{
var st = new SkewTransform();

Expand All @@ -254,39 +250,31 @@ private static void HandleXmlTransformationElement_SkewTransform(TransformGroup
st.CenterX = ParseXmlAttribute<double>(xmlElement, "CenterX", 0);
st.CenterY = ParseXmlAttribute<double>(xmlElement, "CenterY", 0);

group.Children.Add(st);
return st;
}

private static void HandleXmlTransformationElement_RotateTransform(TransformGroup group, XElement xmlElement)
private static Transform HandleXml_RotateTransform(CustomDialog dialog, XElement xmlElement)
{
var rt = new RotateTransform();

rt.Angle = ParseXmlAttribute<double>(xmlElement, "Angle", 0);
rt.CenterX = ParseXmlAttribute<double>(xmlElement, "CenterX", 0);
rt.CenterY = ParseXmlAttribute<double>(xmlElement, "CenterY", 0);

group.Children.Add(rt);
return rt;
}

private static void HandleXmlTransformationElement_TranslateTransform(TransformGroup group, XElement xmlElement)
private static Transform HandleXml_TranslateTransform(CustomDialog dialog, XElement xmlElement)
{
var tt = new TranslateTransform();

tt.X = ParseXmlAttribute<double>(xmlElement, "X", 0);
tt.Y = ParseXmlAttribute<double>(xmlElement, "Y", 0);

group.Children.Add(tt);
}

private static void HandleXmlTransformation(TransformGroup group, XElement xmlElement)
{
if (!_transformationHandlerMap.ContainsKey(xmlElement.Name.ToString()))
throw new Exception($"Unknown transformation {xmlElement.Name}");

_transformationHandlerMap[xmlElement.Name.ToString()](group, xmlElement);
return tt;
}

private static void ApplyTransformations_UIElement(UIElement uiElement, XElement xmlElement)
private static void ApplyTransformations_UIElement(CustomDialog dialog, UIElement uiElement, XElement xmlElement)
{
var renderTransform = xmlElement.Element($"{xmlElement.Name}.RenderTransform");

Expand All @@ -295,24 +283,26 @@ private static void ApplyTransformations_UIElement(UIElement uiElement, XElement
var tg = new TransformGroup();

foreach (var child in renderTransform.Elements())
HandleXmlTransformation(tg, child);
{
Transform element = HandleXml<Transform>(dialog, child);
tg.Children.Add(element);
}

if (tg.Children.Any())
uiElement.RenderTransform = tg;
uiElement.RenderTransform = tg;
}
}
#endregion

#region Brushes
private static void HandleXmlBrush_Brush(Brush brush, XElement xmlElement)
private static void HandleXml_Brush(Brush brush, XElement xmlElement)
{
brush.Opacity = ParseXmlAttribute<double>(xmlElement, "Opacity", 1.0);
}

private static Brush HandleXmlBrush_SolidColorBrush(CustomDialog dialog, XElement xmlElement)
private static Brush HandleXml_SolidColorBrush(CustomDialog dialog, XElement xmlElement)
{
var brush = new SolidColorBrush();
HandleXmlBrush_Brush(brush, xmlElement);
HandleXml_Brush(brush, xmlElement);

object? color = GetColorFromXElement(xmlElement, "Color");
if (color is Color)
Expand All @@ -321,10 +311,10 @@ private static Brush HandleXmlBrush_SolidColorBrush(CustomDialog dialog, XElemen
return brush;
}

private static Brush HandleXmlBrush_ImageBrush(CustomDialog dialog, XElement xmlElement)
private static Brush HandleXml_ImageBrush(CustomDialog dialog, XElement xmlElement)
{
var imageBrush = new ImageBrush();
HandleXmlBrush_Brush(imageBrush, xmlElement);
HandleXml_Brush(imageBrush, xmlElement);

imageBrush.AlignmentX = ParseXmlAttribute<AlignmentX>(xmlElement, "AlignmentX", AlignmentX.Center);
imageBrush.AlignmentY = ParseXmlAttribute<AlignmentY>(xmlElement, "AlignmentY", AlignmentY.Center);
Expand Down Expand Up @@ -376,7 +366,7 @@ private static Brush HandleXmlBrush_ImageBrush(CustomDialog dialog, XElement xml
return imageBrush;
}

private static GradientStop HandleGradientStop(XElement xmlElement)
private static GradientStop HandleXml_GradientStop(CustomDialog dialog, XElement xmlElement)
{
var gs = new GradientStop();

Expand All @@ -389,10 +379,10 @@ private static GradientStop HandleGradientStop(XElement xmlElement)
return gs;
}

private static Brush HandleXmlBrush_LinearGradientBrush(CustomDialog dialog, XElement xmlElement)
private static Brush HandleXml_LinearGradientBrush(CustomDialog dialog, XElement xmlElement)
{
var brush = new LinearGradientBrush();
HandleXmlBrush_Brush(brush, xmlElement);
HandleXml_Brush(brush, xmlElement);

object? startPoint = GetPointFromXElement(xmlElement, "StartPoint");
if (startPoint is Point)
Expand All @@ -407,24 +397,11 @@ private static Brush HandleXmlBrush_LinearGradientBrush(CustomDialog dialog, XEl
brush.SpreadMethod = ParseXmlAttribute<GradientSpreadMethod>(xmlElement, "SpreadMethod", GradientSpreadMethod.Pad);

foreach (var child in xmlElement.Elements())
{
if (child.Name != "GradientStop")
throw new Exception($"{child.Name} can not be a child of LinearGradientBrush");

brush.GradientStops.Add(HandleGradientStop(child));
}
brush.GradientStops.Add(HandleXml<GradientStop>(dialog, child));

return brush;
}

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
Expand All @@ -449,7 +426,7 @@ private static void ApplyBrush_UIElement(CustomDialog dialog, FrameworkElement u
if (first == null)
throw new Exception($"{xmlElement.Name} {name} is missing the brush");

var brush = HandleXmlBrush(dialog, first);
var brush = HandleXml<Brush>(dialog, first);
uiElement.SetValue(dependencyProperty, brush);
}
#endregion
Expand Down Expand Up @@ -506,7 +483,7 @@ private static void HandleXmlElement_Control(CustomDialog dialog, Control uiElem
ApplyBrush_UIElement(dialog, uiElement, "BorderBrush", Control.BorderBrushProperty, xmlElement);
}

private static UIElement? HandleXmlElement_BloxstrapCustomBootstrapper(CustomDialog dialog, XElement xmlElement)
private static UIElement HandleXmlElement_BloxstrapCustomBootstrapper(CustomDialog dialog, XElement xmlElement)
{
xmlElement.SetAttributeValue("Visibility", "Collapsed"); // don't show the bootstrapper yet!!!
xmlElement.SetAttributeValue("IsEnabled", "True");
Expand All @@ -523,10 +500,10 @@ private static void HandleXmlElement_Control(CustomDialog dialog, Control uiElem
dialog.Margin = new Thickness(0, 0, 0, 0);
dialog.Padding = new Thickness(0, 0, 0, 0);

return null; // dont add anything
return new DummyFrameworkElement();
}

private static UIElement? HandleXmlElement_TitleBar(CustomDialog dialog, XElement xmlElement)
private static DummyFrameworkElement HandleXmlElement_TitleBar(CustomDialog dialog, XElement xmlElement)
{
xmlElement.SetAttributeValue("Name", "TitleBar"); // prevent two titlebars from existing
xmlElement.SetAttributeValue("IsEnabled", "True");
Expand All @@ -547,7 +524,7 @@ private static void HandleXmlElement_Control(CustomDialog dialog, Control uiElem
dialog.Title = title;
dialog.RootTitleBar.Title = title;

return null; // dont add anything
return new DummyFrameworkElement(); // dont add anything
}

private static object? GetContentFromXElement(CustomDialog dialog, XElement xmlElement)
Expand All @@ -563,14 +540,14 @@ private static void HandleXmlElement_Control(CustomDialog dialog, Control uiElem
if (first == null)
throw new Exception($"{xmlElement.Name} Content is missing the content");

var uiElement = HandleXml(dialog, first);
var uiElement = HandleXml<UIElement>(dialog, first);
return uiElement;
}

return null;
}

private static UIElement? HandleXmlElement_Button(CustomDialog dialog, XElement xmlElement)
private static UIElement HandleXmlElement_Button(CustomDialog dialog, XElement xmlElement)
{
var button = new Button();
HandleXmlElement_Control(dialog, button, xmlElement);
Expand All @@ -586,12 +563,12 @@ private static void HandleXmlElement_Control(CustomDialog dialog, Control uiElem
BindingOperations.SetBinding(button, Button.CommandProperty, cancelCommandBinding);
}

ApplyTransformations_UIElement(button, xmlElement);
ApplyTransformations_UIElement(dialog, button, xmlElement);

return button;
}

private static UIElement? HandleXmlElement_ProgressBar(CustomDialog dialog, XElement xmlElement)
private static UIElement HandleXmlElement_ProgressBar(CustomDialog dialog, XElement xmlElement)
{
var progressBar = new ProgressBar();
HandleXmlElement_Control(dialog, progressBar, xmlElement);
Expand All @@ -613,7 +590,7 @@ private static void HandleXmlElement_Control(CustomDialog dialog, Control uiElem
BindingOperations.SetBinding(progressBar, ProgressBar.ValueProperty, valueBinding);
}

ApplyTransformations_UIElement(progressBar, xmlElement);
ApplyTransformations_UIElement(dialog, progressBar, xmlElement);

return progressBar;
}
Expand Down Expand Up @@ -655,18 +632,18 @@ private static void HandleXmlElement_TextBlock_Base(CustomDialog dialog, TextBlo
BindingOperations.SetBinding(textBlock, TextBlock.TextProperty, textBinding);
}

ApplyTransformations_UIElement(textBlock, xmlElement);
ApplyTransformations_UIElement(dialog, textBlock, xmlElement);
}

private static UIElement? HandleXmlElement_TextBlock(CustomDialog dialog, XElement xmlElement)
private static UIElement HandleXmlElement_TextBlock(CustomDialog dialog, XElement xmlElement)
{
var textBlock = new TextBlock();
HandleXmlElement_TextBlock_Base(dialog, textBlock, xmlElement);

return textBlock;
}

private static UIElement? HandleXmlElement_MarkdownTextBlock(CustomDialog dialog, XElement xmlElement)
private static UIElement HandleXmlElement_MarkdownTextBlock(CustomDialog dialog, XElement xmlElement)
{
var textBlock = new MarkdownTextBlock();
HandleXmlElement_TextBlock_Base(dialog, textBlock, xmlElement);
Expand All @@ -678,7 +655,7 @@ private static void HandleXmlElement_TextBlock_Base(CustomDialog dialog, TextBlo
return textBlock;
}

private static UIElement? HandleXmlElement_Image(CustomDialog dialog, XElement xmlElement)
private static UIElement HandleXmlElement_Image(CustomDialog dialog, XElement xmlElement)
{
var image = new Image();
HandleXmlElement_FrameworkElement(dialog, image, xmlElement);
Expand Down Expand Up @@ -726,27 +703,30 @@ private static void HandleXmlElement_TextBlock_Base(CustomDialog dialog, TextBlo
}
}

ApplyTransformations_UIElement(image, xmlElement);
ApplyTransformations_UIElement(dialog, image, xmlElement);

return image;
}

private static UIElement? HandleXml(CustomDialog dialog, XElement xmlElement)
private static T HandleXml<T>(CustomDialog dialog, XElement xmlElement) where T : class
{
if (!_elementHandlerMap.ContainsKey(xmlElement.Name.ToString()))
throw new Exception($"Unknown element {xmlElement.Name}");

var uiElement = _elementHandlerMap[xmlElement.Name.ToString()](dialog, xmlElement);
return uiElement;
var element = _elementHandlerMap[xmlElement.Name.ToString()](dialog, xmlElement);
if (element is not T)
throw new Exception($"{xmlElement.Parent!.Name} cannot have a child of {xmlElement.Name}");

return (T)element;
}

private static void HandleAndAddXml(CustomDialog dialog, XElement xmlElement)
private static void AddXml(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)
var uiElement = HandleXml<UIElement>(dialog, xmlElement);
if (uiElement is not DummyFrameworkElement)
dialog.ElementGrid.Children.Add(uiElement);
}

Expand All @@ -771,7 +751,7 @@ private void HandleXmlBase(XElement xml)

// handle everything else
foreach (var child in xml.Elements())
HandleAndAddXml(this, child);
AddXml(this, child);
}
#endregion

Expand Down

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