add a new field type

Gordon Saxby 1461 posts 1883 karma points

Jan 19, 2015 @ 13:23

I am trying to add a new field type, which is a copy of a textfield, so that I can add special validation. The field is for a Member email address and I want to check that the email address is not currently in use.

I started with this documentation page - http://our.umbraco.org/documentation/products/umbracoforms/Developer/Extending/Adding-a-Fieldtype but I am not sure that it is complete and/or correct?

I have this class for the new field type:

public class MemberLogonEmail : FieldType
    {
        public MemberLogonEmail()
        {
            //Provider
            this.Id = new Guid("da8521f9-52e5-4ac3-8ffa-c28d3a373734");
            this.Name = "Member Email";
            this.Description = "Member Email used for logging on";
            this.Icon = "icon-autofill";
            this.DataType = FieldDataType.String;
            this.SortOrder = 10;
        }
    }

And I have this for the FieldType (view) definition:

@model Umbraco.Forms.Mvc.Models.FieldViewModel
<input type="text" name="@Model.Name" id="@Model.Id" class="text" value="@Model.Value" maxlength="500"
@{if(Model.Mandatory || Model.Validate){<text>data-val="true"</text>}}
@{if (Model.Mandatory) {<text> data-val-required="@Model.RequiredErrorMessage"</text>}}
@{if (Model.Validate) {<text> data-val-regex="@Model.InvalidErrorMessage" data-regex="@Html.Raw(Model.Regex)"</text>}}
/>

I also had to add a new file in "App_Plugins\UmbracoForms\Backoffice\Common\FieldTypes" called MemberLogonEmail.html

<input 
   type="text" tabindex="-1" 
    class="input-block-level"
 style="max-width: 400px" 
/>

The form renders OK in the Form editor, however clicking the "OK" button does not close the side panel. Also, rendering the form on the website causes an error.

So, have I missed something or done something wrong? Is there any more information on how to add field types anywhere?

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Per Ploug 865 posts 3491 karma points MVP admin

Jan 19, 2015 @ 13:29

Any exceptions ? do you see any errors in the browser js log - what is the error you see when the form is not rendering?

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Gordon Saxby 1461 posts 1883 karma points

Jan 19, 2015 @ 13:49

I get this on the page:

Error loading Partial View script (file: ~/Views/MacroPartials/InsertUmbracoForm.cshtml)

The error log is (large!):

2015-01-19 12:46:20,722 [267] WARN  umbraco.macro - [Thread 190] Error loading partial view macro (View: ~/Views/MacroPartials/InsertUmbracoForm.cshtml). Exception: System.Web.HttpException (0x80004005): Error executing child request for handler 'System.Web.Mvc.HttpHandlerUtil+ServerExecuteHttpHandlerAsyncWrapper'. ---> System.InvalidOperationException: The partial view '~/Views/Partials/Forms/FieldTypes/Fieldtype.memberemail.cshtml' was not found or no view engine supports the searched locations. The following locations were searched:
~/Views/Partials/Forms/FieldTypes/Fieldtype.memberemail.cshtml
   at System.Web.Mvc.HtmlHelper.FindPartialView(ViewContext viewContext, String partialViewName, ViewEngineCollection viewEngineCollection)
   at System.Web.Mvc.HtmlHelper.RenderPartialInternal(String partialViewName, ViewDataDictionary viewData, Object model, TextWriter writer, ViewEngineCollection viewEngineCollection)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at ASP._Page_Views_Partials_Forms_Form_cshtml.Execute() in ...sitepath...\Views\Partials\Forms\Form.cshtml:line 88
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context)
   at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17()
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult)
   at System.Web.Mvc.Controller.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.MvcHandler.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.HttpHandlerUtil.ServerExecuteHttpHandlerWrapper.<>c__DisplayClass4.<Wrap>b__3()
   at System.Web.Mvc.HttpHandlerUtil.ServerExecuteHttpHandlerWrapper.Wrap[TResult](Func`1 func)
   at System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage, VirtualPath path, VirtualPath filePath, String physPath, Exception error, String queryStringOverride)
   at System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage, VirtualPath path, VirtualPath filePath, String physPath, Exception error, String queryStringOverride)
   at System.Web.HttpServerUtility.Execute(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage)
   at System.Web.HttpServerUtilityWrapper.Execute(IHttpHandler handler, TextWriter writer, Boolean preserveForm)
   at System.Web.Mvc.Html.ChildActionExtensions.ActionHelper(HtmlHelper htmlHelper, String actionName, String controllerName, RouteValueDictionary routeValues, TextWriter textWriter)
   at System.Web.Mvc.Html.ChildActionExtensions.RenderAction(HtmlHelper htmlHelper, String actionName, String controllerName, RouteValueDictionary routeValues)
   at ASP._Page_Views_MacroPartials_InsertUmbracoForm_cshtml.Execute() in ...sitepath...\Views\MacroPartials\InsertUmbracoForm.cshtml:line 10
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at Umbraco.Web.Mvc.ControllerExtensions.RenderViewResultAsString(ControllerBase controller, ViewResultBase viewResult)
   at Umbraco.Web.Macros.PartialViewMacroEngine.Execute(MacroModel macro, IPublishedContent content)
   at umbraco.macro.LoadPartialViewMacro(MacroModel macro)
   at umbraco.macro.renderMacro(Hashtable pageElements, Int32 pageId)
2015-01-19 12:46:20,724 [267] WARN  umbraco.macro - [Thread 190] Error loading Partial View (file: ~/Views/MacroPartials/InsertUmbracoForm.cshtml). Exception: System.Web.HttpException (0x80004005): Error executing child request for handler 'System.Web.Mvc.HttpHandlerUtil+ServerExecuteHttpHandlerAsyncWrapper'. ---> System.InvalidOperationException: The partial view '~/Views/Partials/Forms/FieldTypes/Fieldtype.memberemail.cshtml' was not found or no view engine supports the searched locations. The following locations were searched:
~/Views/Partials/Forms/FieldTypes/Fieldtype.memberemail.cshtml
   at System.Web.Mvc.HtmlHelper.FindPartialView(ViewContext viewContext, String partialViewName, ViewEngineCollection viewEngineCollection)
   at System.Web.Mvc.HtmlHelper.RenderPartialInternal(String partialViewName, ViewDataDictionary viewData, Object model, TextWriter writer, ViewEngineCollection viewEngineCollection)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at ASP._Page_Views_Partials_Forms_Form_cshtml.Execute() in ...sitepath...\Views\Partials\Forms\Form.cshtml:line 88
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context)
   at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17()
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult)
   at System.Web.Mvc.Controller.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.MvcHandler.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar)
   at System.Web.Mvc.HttpHandlerUtil.ServerExecuteHttpHandlerWrapper.<>c__DisplayClass4.<Wrap>b__3()
   at System.Web.Mvc.HttpHandlerUtil.ServerExecuteHttpHandlerWrapper.Wrap[TResult](Func`1 func)
   at System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage, VirtualPath path, VirtualPath filePath, String physPath, Exception error, String queryStringOverride)
   at System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage, VirtualPath path, VirtualPath filePath, String physPath, Exception error, String queryStringOverride)
   at System.Web.HttpServerUtility.Execute(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage)
   at System.Web.HttpServerUtilityWrapper.Execute(IHttpHandler handler, TextWriter writer, Boolean preserveForm)
   at System.Web.Mvc.Html.ChildActionExtensions.ActionHelper(HtmlHelper htmlHelper, String actionName, String controllerName, RouteValueDictionary routeValues, TextWriter textWriter)
   at System.Web.Mvc.Html.ChildActionExtensions.RenderAction(HtmlHelper htmlHelper, String actionName, String controllerName, RouteValueDictionary routeValues)
   at ASP._Page_Views_MacroPartials_InsertUmbracoForm_cshtml.Execute() in ...sitepath...\Views\MacroPartials\InsertUmbracoForm.cshtml:line 10
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at Umbraco.Web.Mvc.ControllerExtensions.RenderViewResultAsString(ControllerBase controller, ViewResultBase viewResult)
   at Umbraco.Web.Macros.PartialViewMacroEngine.Execute(MacroModel macro, IPublishedContent content)
   at umbraco.macro.LoadPartialViewMacro(MacroModel macro)
   at umbraco.macro.renderMacro(Hashtable pageElements, Int32 pageId)

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Per Ploug 865 posts 3491 karma points MVP admin

Jan 19, 2015 @ 14:22

This is the issue:

The partial view '~/Views/Partials/Forms/FieldTypes/Fieldtype.memberemail.cshtml' was not found or no view engine supports the searched locations.

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Gordon Saxby 1461 posts 1883 karma points

Jan 19, 2015 @ 14:44

Is it a convention to have "Fieldtype." at the beginning and why is it "memberemail" rather than "memberlogonemail" which is the class name?

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Gordon Saxby 1461 posts 1883 karma points

Jan 19, 2015 @ 17:27

Also ... I have added 2 new field types (both very similar to the above / a copy of a textfield) but for both of them, the "OK" button does not work when editing the field details in the Form Editor. The changes seem to work if I save the entire form, but "OK" does not close the side panel.

Am I missing something from the field definition (class)?

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