pull up ShowClearButton into base class

Author: henon

src/MudBlazor/Base/MudBaseInput.cs

@@ -432,6 +432,38 @@ public string? Format
 
         protected bool GetReadOnlyState() => ReadOnly || ParentReadOnly;
 
+        protected virtual bool GetClearable() => false;
+
+        /// <summary>
+        /// Determine whether to show the clear button when Clearable==true.
+        /// Of course the clear button won't show up if the text field is empty
+        /// </summary>
+        protected virtual bool ShowClearButton()
+        {
+            if (GetDisabledState())
+            {
+                return false;
+            }
+
+            if (!GetClearable())
+            {
+                return false;
+            }
+
+            // If this is a standalone input it will not be clearable when read-only
+            if (SubscribeToParentForm && GetReadOnlyState())
+            {
+                return false;
+            }
+
+            if (Value is string stringValue)
+            {
+                return !string.IsNullOrWhiteSpace(stringValue);
+            }
+
+            return Value is not string and not null;
+        }
+
         protected virtual async Task SetTextAsync(string? text, bool updateValue = true)
         {
             if (Text != text)

src/MudBlazor/Components/Input/MudInput.razor.cs

@@ -223,35 +223,7 @@ public override ValueTask SelectRangeAsync(int pos1, int pos2)
 
         private Size GetButtonSize() => Margin == Margin.Dense ? Size.Small : Size.Medium;
 
-        /// <summary>
-        /// Determine whether to show the clear button when Clearable==true.
-        /// Of course the clear button won't show up if the text field is empty
-        /// </summary>
-        private bool ShowClearButton()
-        {
-            if (GetDisabledState())
-            {
-                return false;
-            }
-
-            if (!Clearable)
-            {
-                return false;
-            }
-
-            // If this is a standalone input it will not be clearable when read-only
-            if (SubscribeToParentForm && GetReadOnlyState())
-            {
-                return false;
-            }
-
-            if (Value is string stringValue)
-            {
-                return !string.IsNullOrWhiteSpace(stringValue);
-            }
-
-            return Value is not string and not null;
-        }
+        protected override bool GetClearable() => Clearable;
 
         protected virtual async Task HandleClearButtonAsync(MouseEventArgs e)
         {

src/MudBlazor/Components/Mask/MudMask.razor.cs

@@ -310,11 +310,31 @@ private string GetCounterText() => Counter == null
                 ? (string.IsNullOrEmpty(Text) ? "0" : $"{Text.Length}")
                 : ((string.IsNullOrEmpty(Text) ? "0" : $"{Text.Length}") + $" / {Counter}"));
 
-        private bool ShowClearButton()
+        protected override bool GetClearable() => _showClearable;
+
+        /// <summary>
+        /// Determine whether to show the clear button when Clearable==true.
+        /// Of course the clear button won't show up if the text field is empty
+        /// </summary>
+        protected override bool ShowClearButton()
         {
-            if (SubscribeToParentForm)
-                return _showClearable && !GetReadOnlyState() && !GetDisabledState();
-            return _showClearable && !GetDisabledState();
+            if (GetDisabledState())
+            {
+                return false;
+            }
+
+            if (!GetClearable())
+            {
+                return false;
+            }
+
+            // If this is a standalone input it will not be clearable when read-only
+            if (SubscribeToParentForm && GetReadOnlyState())
+            {
+                return false;
+            }
+
+            return true;
         }
 
         /// <summary>

src/MudBlazor/Components/TextField/MudTextField.razor.cs

@@ -217,12 +217,7 @@ protected override Task SetTextAsync(string? text, bool updateValue = true)
 
         internal override InputType GetInputType() => InputType;
 
-        private bool ShowClearButton()
-        {
-            if (SubscribeToParentForm)
-                return Clearable && !GetReadOnlyState() && !GetDisabledState();
-            return Clearable && !GetDisabledState();
-        }
+        protected override bool GetClearable() => Clearable;
 
         private Task OnMaskedValueChanged(string s) => SetTextAsync(s);