private void BindContext(object target, TagHelperContext context)
{
foreach (var propertyInfo in target.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic).Where(pi => pi.HasCustomAttribute <BindTagHelperContextAttribute>()))
{
var attr = propertyInfo.GetCustomAttribute <BindTagHelperContextAttribute>();
if (string.IsNullOrEmpty(attr.Key))
{
var contextItem = context.GetContextItem(propertyInfo.PropertyType, attr.UseInherited);
if (contextItem != null)
{
propertyInfo.SetValue(target, contextItem);
}
if (attr.RemoveContext)
{
context.RemoveContextItem(propertyInfo.PropertyType, attr.UseInherited);
}
}
else
{
propertyInfo.SetValue(target, context.GetContextItem(propertyInfo.PropertyType, attr.Key));
if (attr.RemoveContext)
{
context.RemoveContextItem(attr.Key);
}
}
}
}
public static void SetContexts(object target, TagHelperContext context)
{
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
foreach (var propertyInfo in target.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic).Where(pI => pI.HasCustomAttribute <ContextAttribute>()))
{
var attr = propertyInfo.GetCustomAttribute <ContextAttribute>();
if (string.IsNullOrEmpty(attr.Key))
{
var contextItem = context.GetContextItem(propertyInfo.PropertyType, attr.UseInherited);
if (contextItem != null)
{
propertyInfo.SetValue(target, contextItem);
}
if (attr.RemoveContext)
{
context.RemoveContextItem(propertyInfo.PropertyType, attr.UseInherited);
}
}
else
{
propertyInfo.SetValue(target, context.GetContextItem(propertyInfo.PropertyType, attr.Key));
if (attr.RemoveContext)
{
context.RemoveContextItem(attr.Key);
}
}
}
}
protected override void BootstrapProcess(TagHelperContext context, TagHelperOutput output)
{
output.Attributes.Add("role", "group");
if (context.HasContextItem <InputGroupTagHelper>())
{
Size = BootstrapTagHelpers.Size.Default;
if (!context.HasContextItem <AddonTagHelper>())
{
output.TagName = "span";
output.AddCssClass("input-group-btn");
}
context.RemoveContextItem <InputGroupTagHelper>();
}
else
{
output.TagName = "div";
if (this.Vertical)
{
output.AddCssClass("btn-group-vertical");
}
else
{
output.AddCssClass("btn-group");
}
if (this.Size.HasValue)
{
output.AddCssClass("btn-group-" + this.Size.Value.GetDescription());
}
if (this.Justified)
{
output.AddCssClass("btn-group-justified");
}
}
}
protected override void BootstrapProcess(TagHelperContext context, TagHelperOutput output)
{
if (context.HasContextItem <MediaListTagHelper>())
{
output.TagName = "li";
context.RemoveContextItem <MediaListTagHelper>();
}
else
{
output.TagName = "div";
}
output.AddCssClass("media");
}