Text Area Tag helper added

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/AbpTagHelperService.cs

@@ -95,7 +95,10 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers
 
         protected virtual T GetAttribute<T>(ModelExplorer property) where T : Attribute
         {
-            return property?.Metadata?.ContainerType?.GetTypeInfo()?.GetProperty(property.Metadata.PropertyName)?.GetCustomAttribute<T>();
+            var x = property?.Metadata?.ContainerType?.GetTypeInfo();
+            var y = x.GetProperty(property.Metadata.PropertyName);
+            var z = y.GetCustomAttribute<T>();
+            return z;
         }
 
         protected virtual List<FormGroupItem> GetFormGroupContentsList(TagHelperContext context, out bool surpress)

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpInputTagHelperService.cs

@@ -48,7 +48,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
 
         protected virtual string GetFormInputGroupAsHtml(TagHelperContext context, TagHelperOutput output, out bool isCheckbox)
         {
-            var inputTag = GetInputTag(context, output, out isCheckbox);
+            var inputTag = GetInputTagHelperOutput(context, output, out isCheckbox);
             var inputHtml = RenderTagHelperOutput(inputTag, _encoder);
             var label = GetLabelAsHtml(context, output, inputTag, isCheckbox);
 
@@ -92,15 +92,33 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
                    "</div>";
         }
 
-        protected virtual TagHelperOutput GetInputTag(TagHelperContext context, TagHelperOutput output, out bool isCheckbox)
+        protected virtual TagHelper GetInputTagHelper(TagHelperContext context, TagHelperOutput output)
         {
-            var inputTagHelper = new InputTagHelper(_generator)
+            var textAreaAttribute = GetAttribute<TextArea>(TagHelper.AspFor.ModelExplorer);
+
+            if (textAreaAttribute != null)
+            {
+                return new TextAreaTagHelper(_generator)
+                {
+                    For = TagHelper.AspFor,
+                    ViewContext = TagHelper.ViewContext
+                };
+            }
+
+            return new InputTagHelper(_generator)
             {
                 For = TagHelper.AspFor,
                 ViewContext = TagHelper.ViewContext
             };
+        }
 
-            var inputTagHelperOutput = GetInnerTagHelper(new TagHelperAttributeList(), context, inputTagHelper, "input");
+        protected virtual TagHelperOutput GetInputTagHelperOutput(TagHelperContext context, TagHelperOutput output, out bool isCheckbox)
+        {
+            var tagHelper = GetInputTagHelper(context, output);
+
+            var inputTagHelperOutput = GetInnerTagHelper(new TagHelperAttributeList(), context, tagHelper, "input");
+
+            ConvertToTextAreaIfTextArea(inputTagHelperOutput);
 
             if (TagHelper.IsDisabled && !inputTagHelperOutput.Attributes.ContainsName("disabled"))
             {
@@ -125,16 +143,16 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
 
         protected virtual string GetLabelAsHtml(TagHelperContext context, TagHelperOutput output, TagHelperOutput inputTag, bool isCheckbox)
         {
-            if (inputTag.Attributes.Any(a=>a.Name.ToLowerInvariant() == "type" && a.Value.ToString().ToLowerInvariant() == "hidden"))
+            if (inputTag.Attributes.Any(a => a.Name.ToLowerInvariant() == "type" && a.Value.ToString().ToLowerInvariant() == "hidden"))
             {
                 return "";
             }
 
             if (string.IsNullOrEmpty(TagHelper.Label))
             {
-                return GetLabelAsHtmlUsingTagHelper(context,output,isCheckbox);
+                return GetLabelAsHtmlUsingTagHelper(context, output, isCheckbox);
             }
-            
+
             var checkboxClass = isCheckbox ? "class=\"form-check-label\" " : "";
 
             return "<label " + checkboxClass + GetIdAttributeAsString(inputTag) + ">"
@@ -159,5 +177,27 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
 
             return RenderTagHelper(attributeList, context, labelTagHelper, _encoder, "label", TagMode.StartTagAndEndTag, true);
         }
+
+        protected virtual void ConvertToTextAreaIfTextArea(TagHelperOutput tagHelperOutput)
+        {
+            var textAreaAttribute = GetAttribute<TextArea>(TagHelper.AspFor.ModelExplorer);
+
+            if (textAreaAttribute == null)
+            {
+                return;
+            }
+
+            tagHelperOutput.TagName = "textarea";
+            tagHelperOutput.TagMode = TagMode.StartTagAndEndTag;
+            tagHelperOutput.Content.SetContent(TagHelper.AspFor.ModelExplorer.Model.ToString());
+            if (textAreaAttribute.Rows>0)
+            {
+                tagHelperOutput.Attributes.Add("rows", textAreaAttribute.Rows);
+            }
+            if (textAreaAttribute.Cols > 0)
+            {
+                tagHelperOutput.Attributes.Add("cols", textAreaAttribute.Cols);
+            }
+        }
     }
 }

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/TextArea.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
+{
+    [AttributeUsage(AttributeTargets.Property)]
+    public class TextArea : Attribute
+    {
+        public int Rows { get; set; } = -1;
+
+        public int Cols { get; set; } = -1;
+
+        public TextArea()
+        {
+        }
+    }
+}

framework/test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/DynamicForms.cshtml.cs

@@ -47,6 +47,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo.Pages.Components
         {
             [Required]
             [DisplayName("Name")]
+            [TextArea]
             public string Name { get; set; }
 
             [Required]