From 0c36f77c4fa1ecb8e2aab5449ef5a661be3dedb1 Mon Sep 17 00:00:00 2001
From: yekalkan <emre.kalkan@volosoft.com>
Date: Mon, 30 Apr 2018 10:23:11 +0300
Subject: [PATCH] Form create from single model (Basic func.)

---
 .../Form/AbpDynamicformTagHelper.cs           |  7 ++
 .../Form/AbpDynamicformTagHelperService.cs    | 66 ++++++++++++++++++-
 .../Pages/Components/Forms.cshtml             | 10 ++-
 .../Pages/Components/Forms.cshtml.cs          | 12 +++-
 4 files changed, 90 insertions(+), 5 deletions(-)

diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpDynamicformTagHelper.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpDynamicformTagHelper.cs
index e09daf87a1..4dc417967f 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpDynamicformTagHelper.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpDynamicformTagHelper.cs
@@ -1,5 +1,7 @@
 using JetBrains.Annotations;
+using Microsoft.AspNetCore.Mvc.Rendering;
 using Microsoft.AspNetCore.Mvc.ViewFeatures;
+using Microsoft.AspNetCore.Razor.TagHelpers;
 
 namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
 {
@@ -7,6 +9,11 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
     {
         public ModelExpression Model { get; set; }
 
+        
+        [HtmlAttributeNotBound]
+        [ViewContext]
+        public ViewContext ViewContext { get; set; }
+
         public AbpDynamicFormTagHelper(AbpDynamicFormTagHelperService tagHelperService)
             : base(tagHelperService)
         {
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpDynamicformTagHelperService.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpDynamicformTagHelperService.cs
index 584f342abc..9a043d8a06 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpDynamicformTagHelperService.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpDynamicformTagHelperService.cs
@@ -1,9 +1,11 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Text;
 using System.Text.Encodings.Web;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc.ViewFeatures;
 using Microsoft.AspNetCore.Razor.TagHelpers;
 using Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Microsoft.AspNetCore.Razor.TagHelpers;
 
@@ -24,9 +26,71 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
 
         public override void Process(TagHelperContext context, TagHelperOutput output)
         {
-            var model = TagHelper.Model;
+            output.TagName = "form";
+            output.Attributes.Add("method","post");
+            output.Attributes.Add("action","#");
 
+            var innerhtml = GetInnerHtmlContent();
+
+            output.PreContent.SetHtmlContent(innerhtml);
+        }
+
+        protected virtual string GetInnerHtmlContent()
+        {
+            var innerHtmlcontent = "";
+            var models = ExploreModelsRecursively(new List<ModelExpression>(), TagHelper.Model.ModelExplorer);
+
+            foreach (var model in models)
+            {
+                innerHtmlcontent += ProcessField(model);
+            }
+
+            return innerHtmlcontent;
+        }
+
+        protected virtual string ProcessField(ModelExpression model)
+        {
+            _abpInputTagHelper.AspFor = model;
+            _abpInputTagHelper.Label = "";
+            _abpInputTagHelper.ViewContext = TagHelper.ViewContext;
+
+            return RenderTagHelper(new TagHelperAttributeList(), _abpInputTagHelper,_htmlEncoder,"div",TagMode.StartTagAndEndTag)
+                    + Environment.NewLine;
         }
 
+        protected virtual List<ModelExpression> ExploreModelsRecursively(List<ModelExpression> list, ModelExplorer model)
+        {
+            if (IsCsharpClassOrPrimitive(model.ModelType))
+            {
+                list.Add(ModelExplorerToModelExpressionConverter(model));
+                return list;
+            }
+
+            return model.Properties.Aggregate(list, ExploreModelsRecursively);
+        }
+
+        protected virtual ModelExpression ModelExplorerToModelExpressionConverter(ModelExplorer explorer)
+        {
+            return new ModelExpression(explorer.Metadata.PropertyName, explorer);
+        }
+
+        protected virtual bool IsCsharpClassOrPrimitive(Type type)
+        {
+            return type.IsPrimitive ||
+                   type.IsValueType ||
+                   type == typeof(DateTime) ||
+                   type == typeof(ValueType) ||
+                   type == typeof(String) ||
+                   type == typeof(Decimal) ||
+                   type == typeof(Double) ||
+                   type == typeof(Guid) ||
+                   type == typeof(TimeSpan) ||
+                   type == typeof(DateTimeOffset) ||
+                   type == typeof(Single) ||
+                   type == typeof(Int16) ||
+                   type == typeof(Int32) ||
+                   type == typeof(Int64) ||
+                   type.IsEnum;
+        }
     }
 }
\ No newline at end of file
diff --git a/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/Forms.cshtml b/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/Forms.cshtml
index e8bd5cdaf7..9135ed047d 100644
--- a/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/Forms.cshtml
+++ b/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/Forms.cshtml
@@ -9,7 +9,7 @@
 
 <p>Based on <a href="http://getbootstrap.com/docs/4.1/components/forms/" target="_blank"> Bootstrap form</a>.</p>
 
-<h4># Example</h4>
+<h4># Dynamic Form Example</h4>
 
 <div class="demo-with-code">
     <div class="demo-area">
@@ -24,11 +24,15 @@
         </pre>
     </div>
 </div>
+
+
+<h4># Input Group Example</h4>
+
 <div class="demo-with-code">
     <div class="demo-area">
         <form method="post" action="#">
-            <abp-input asp-for="@Model.Name"/>
-            <abp-input asp-for="@Model.Password" label="Password"/>
+            <abp-input asp-for="@Model.Name" />
+            <abp-input asp-for="@Model.Password" label="Password" />
             <abp-input asp-for="@Model.IsActive" />
             <abp-input asp-for="@Model.PhoneNumber" />
             <abp-input asp-for="@Model.EmailAddress" />
diff --git a/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/Forms.cshtml.cs b/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/Forms.cshtml.cs
index 713619eb1e..20301a221c 100644
--- a/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/Forms.cshtml.cs
+++ b/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/Forms.cshtml.cs
@@ -51,11 +51,14 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo.Pages.Components
             new SelectListItem { Value = "US", Text = "USA"  },
         };
 
+        public static IEnumerable<SelectListItem> EnumCityList;
+
         public void OnGet()
         {
             Name = "MyName";
             Day = DateTime.Today;
-
+            //var htmlHelper = new HtmlHelper();
+            //EnumCityList = htmlHelper.GetEnumSelectList(typeof(Cities));
         }
     }
 
@@ -75,6 +78,13 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo.Pages.Components
         public Cities City { get; set; }
 
         public Phone Phone { get; set; }
+
+        [DataType(DataType.Date)]
+        [DisplayName("Day")]
+        public DateTime Day { get; set; }
+
+        [DisplayName("Is Active")]
+        public bool IsActive { get; set; }
     }
 
     public class Phone