/// <summary>
/// Asynchronously executes the tag helper with the given context and output
/// </summary>
/// <param name="context">Contains information associated with the current HTML tag</param>
/// <param name="output">A stateful HTML element used to generate an HTML tag</param>
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
//contextualize IHtmlHelper
var viewContextAware = _htmlHelper as IViewContextAware;
viewContextAware?.Contextualize(ViewContext);
if (string.IsNullOrEmpty(Action))
{
Action = _htmlHelper.ViewContext.RouteData.Values["action"].ToString();
}
var modalId = await new HtmlString(ButtonId + "-action-confirmation").RenderHtmlContentAsync();
var actionConfirmationModel = new ActionConfirmationModel()
{
ControllerName = _htmlHelper.ViewContext.RouteData.Values["controller"].ToString(),
ActionName = Action,
WindowId = modalId,
AdditonalConfirmText = ConfirmText
};
//tag details
output.TagName = "div";
output.TagMode = TagMode.StartTagAndEndTag;
output.Attributes.Add("id", modalId);
output.Attributes.Add("class", "modal fade");
output.Attributes.Add("tabindex", "-1");
output.Attributes.Add("role", "dialog");
output.Attributes.Add("aria-labelledby", $"{modalId}-title");
var partialView = await _htmlHelper.PartialAsync("Confirm", actionConfirmationModel);
output.Content.SetHtmlContent(partialView);
//modal script
var script = new TagBuilder("script");
script.InnerHtml.AppendHtml(
"$(document).ready(function () {" +
$"$('#{ButtonId}').attr(\"data-toggle\", \"modal\").attr(\"data-target\", \"#{modalId}\");" +
$"$('#{modalId}-submit-button').attr(\"name\", $(\"#{ButtonId}\").attr(\"name\"));" +
$"$(\"#{ButtonId}\").attr(\"name\", \"\");" +
$"if($(\"#{ButtonId}\").attr(\"type\") == \"submit\")$(\"#{ButtonId}\").attr(\"type\", \"button\");" +
"});");
var scriptTag = await script.RenderHtmlContentAsync();
output.PostContent.SetHtmlContent(scriptTag);
}
public static MvcHtmlString ActionConfirmation(this HtmlHelper helper, string buttonId, string actionName = "")
{
if (string.IsNullOrEmpty(actionName))
{
actionName = helper.ViewContext.RouteData.GetRequiredString("action");
}
var modalId = MvcHtmlString.Create(buttonId + "-action-confirmation").ToHtmlString();
var actionConfirmationModel = new ActionConfirmationModel()
{
ControllerName = helper.ViewContext.RouteData.GetRequiredString("controller"),
ActionName = actionName,
WindowId = modalId
};
var window = new StringBuilder();
window.AppendLine(string.Format("<div id='{0}' class=\"modal fade\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"{0}-title\">", modalId));
window.AppendLine(helper.Partial("Confirm", actionConfirmationModel).ToHtmlString());
window.AppendLine("</div>");
window.AppendLine("<script>");
window.AppendLine("$(document).ready(function() {");
window.AppendLine(string.Format("$('#{0}').attr(\"data-toggle\", \"modal\").attr(\"data-target\", \"#{1}\");", buttonId, modalId));
window.AppendLine(string.Format("$('#{0}-submit-button').attr(\"name\", $(\"#{1}\").attr(\"name\"));", modalId, buttonId));
window.AppendLine(string.Format("$(\"#{0}\").attr(\"name\", \"\")", buttonId));
window.AppendLine(string.Format("if($(\"#{0}\").attr(\"type\") == \"submit\")$(\"#{0}\").attr(\"type\", \"button\")", buttonId));
window.AppendLine("});");
window.AppendLine("</script>");
return(MvcHtmlString.Create(window.ToString()));
}
public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
IViewContextAware viewContextAware = _htmlHelper as IViewContextAware;
viewContextAware?.Contextualize(ViewContext);
string modalId = new HtmlString(ButtonId + "-action-confirmation").ToHtmlString();
ActionConfirmationModel actionConfirmationModel = new ActionConfirmationModel()
{
ModalId = modalId,
ConfirmText = ConfirmText
};
output.TagName = "div";
output.TagMode = TagMode.StartTagAndEndTag;
output.Attributes.Add("id", modalId);
output.Attributes.Add("class", $"modal {ModalUiClass} fade");
output.Attributes.Add("tabindex", "-1");
output.Attributes.Add("role", "dialog");
output.Attributes.Add("aria-labelledby", $"{modalId}-title");
output.Content.SetHtmlContent(await _htmlHelper.PartialAsync("Confirm", actionConfirmationModel));
TagBuilder script = new TagBuilder("script");
script.InnerHtml.AppendHtml("$(document).ready(function () {" +
$"$('#{ButtonId}').attr(\"data-toggle\", \"modal\").attr(\"data-target\", \"#{modalId}\");" +
$"$('#{modalId}-submit-button').attr(\"name\", $(\"#{ButtonId}\").attr(\"name\"));" +
$"$(\"#{ButtonId}\").attr(\"name\", \"\");" +
$"if($(\"#{ButtonId}\").attr(\"type\") == \"submit\")$(\"#{ButtonId}\").attr(\"type\", \"button\");" +
"});");
output.PostContent.SetHtmlContent(script.ToHtmlString());
}
