public HtmlContentViewComponentResult Invoke(ComponentViewModel <BreadcrumbsWidgetProperties> viewModel)
{
IHtmlContent content;
if (viewModel != null)
{
if (viewModel.Properties.Separator is null)
{
// Adding new widget, try to get properties from DI
if (helper is null)
{
// DI not available and properties were not initialized with defaults, set them now
content = new BreadcrumbHelper().GetBreadcrumbs(new BreadcrumbsWidgetProperties().SetDefaults());
}
else
{
// DI is available, get properties from registered BreadcrumbsWidgetProperties
content = helper.GetBreadcrumbs();
}
}
else
{
// Properties were supplied by widget properties dialog in admin
content = new BreadcrumbHelper().GetBreadcrumbs(viewModel.Properties);
}
}
else
{
if (helper != null)
{
// Breadcrumbs are being rendered in a view, get properties from DI
content = helper.GetBreadcrumbs();
}
else
{
content = new HtmlString("Widget properties are null and no BreadcrumbHelper was injected.");
}
}
return(new HtmlContentViewComponentResult(content));
}
public BreadcrumbsWidgetViewComponent(BreadcrumbHelper helper = null)
{
this.helper = helper;
}
