public override void Process(TagHelperContext context, TagHelperOutput output)
{
bool displayIfValueDoesNotMatch = !ValueMatches() && !this.DisplayIfHasValue && this.DisplayIfNotValue == null;
bool displayIfNotValueMatches = ValueNotMatches();
bool displayIfDoesNotHaveValue = this.DisplayIfHasValue && String.IsNullOrWhiteSpace(this.DisplayIf.Model?.ToString());
if (displayIfValueDoesNotMatch || displayIfNotValueMatches || displayIfDoesNotHaveValue)
{
output.AddStyle("display: none;");
}
if (DisplayIfValue is bool)
{
DisplayIfValue = ((bool)DisplayIfValue).ToString().ToLower();
}
if (DisplayIfNotValue is bool)
{
DisplayIfNotValue = ((bool)DisplayIfNotValue).ToString().ToLower();
}
output.Attributes.Add("data-display-if-name", this.DisplayIf == null ? this.DisplayIfName : this.DisplayIf.Name);
output.Attributes.Add("data-display-if-value", this.DisplayIfValue);
if (this.DisplayIfNotValue != null)
{
output.Attributes.Add("data-display-if-not-value", this.DisplayIfNotValue);
}
output.Attributes.Add("data-display-if-client-evaluate", this.DisplayIfClientEvaluate);
output.Attributes.Add("data-display-if-has-value", this.DisplayIfHasValue.ToString().ToLower());
}