private string CreateStyleFromColorPalette(StyleBase value)
{
value.ThrowIfNull();
var styleBuilder = new StylesheetBuilder();
var variableBuilder = CssBuilder.Create();
foreach (var curItem in value.ToDictionary())
{
Type valueType;
string?formattedValue;
if (curItem.Value == null)
{
formattedValue = null;
}
else if (_formatters.TryGetValue(valueType = curItem.Value.GetType(), out var formatter))
{
formattedValue = formatter.Format(valueType, curItem.Value);
}
else
{
formattedValue = curItem.Value.ToString();
}
var variableName = "--" + curItem.Key;
variableBuilder.AddProperty(variableName, formattedValue);
}
styleBuilder.AddDefinition(
$"[data-lx-scope=\"{value.Identifier}\"]",
variableBuilder.Build());
return(styleBuilder.Build() !);
}
public void Detach(StyleBase value)
{
value.ThrowIfNull();
if (_renderedStyles.TryGetValue(value.Identifier, out var metadata))
{
metadata.CountRendered -= 1;
if (metadata.CountRendered <= 0)
{
_renderedStyles.Remove(value.Identifier);
}
}
}
public void Attach(StyleBase value)
{
value.ThrowIfNull();
if (!_renderedStyles.TryGetValue(value.Identifier, out var metadata))
{
var stylesheet = CreateStyleFromColorPalette(value);
_renderedStyles.Add(
value.Identifier,
new StyleMetadata(value, stylesheet));
_headManager.ApplyStyle(
stylesheet,
"text/css",
value.Identifier);
}
else
{
metadata.CountRendered += 1;
}
}