changed version to 3.0.1.3 and added / improved text validators

Author: RonenNess

GeonBit.UI/GeonBitUI_Examples.cs

@@ -1034,14 +1034,16 @@ Note that in order to use clipping and scrollbar with Panels you need to set the
                     // first name
                     TextInput firstName = new TextInput(false, new Vector2(0.4f, -1), anchor: Anchor.Auto);
                     firstName.PlaceholderText = "Name";
-                    firstName.Validators.Add(new TextValidatorEnglishCharsOnly());
+                    firstName.Validators.Add(new TextValidatorEnglishCharsOnly(true));
+                    firstName.Validators.Add(new OnlySingleSpaces());
                     firstName.Validators.Add(new TextValidatorMakeTitle());
                     entitiesGroup.AddChild(firstName);
 
                     // last name
                     TextInput lastName = new TextInput(false, new Vector2(0.4f, -1), anchor: Anchor.AutoInline);
                     lastName.PlaceholderText = "Surname";
-                    lastName.Validators.Add(new TextValidatorEnglishCharsOnly());
+                    lastName.Validators.Add(new TextValidatorEnglishCharsOnly(true));
+                    lastName.Validators.Add(new OnlySingleSpaces());
                     lastName.Validators.Add(new TextValidatorMakeTitle());
                     entitiesGroup.AddChild(lastName);
 

GeonBit.UI/Source/Entities/TextInputValidators.cs

@@ -106,16 +106,87 @@ public bool ValidateText(ref string text, string oldText)
     /// Make sure input contains only english characters.
     /// </summary>
     public class TextValidatorEnglishCharsOnly : ITextValidator
+    {
+        // the regex to use
+        System.Text.RegularExpressions.Regex _regex;
+
+        // regex for english only with spaces
+        static System.Text.RegularExpressions.Regex _slugNoSpaces = new System.Text.RegularExpressions.Regex(@"^[a-zA-Z|]+$");
+
+        // regex for english only without spaces
+        static System.Text.RegularExpressions.Regex _slugWithSpaces = new System.Text.RegularExpressions.Regex(@"^[a-zA-Z|\ ]+$");
+
+        /// <summary>
+        /// Create the validator.
+        /// </summary>
+        /// <param name="allowSpaces">If true, will allow spaces.</param>
+        public TextValidatorEnglishCharsOnly(bool allowSpaces = false)
+        {
+            _regex = allowSpaces ? _slugWithSpaces : _slugNoSpaces;
+        }
+
+        /// <summary>
+        /// Return true if text input is only english characters.
+        /// </summary>
+        /// <param name="text">New text input value.</param>
+        /// <param name="oldText">Previous text input value.</param>
+        /// <returns>If TextInput value is legal.</returns>
+        public bool ValidateText(ref string text, string oldText)
+        {
+            return (text.Length == 0 || _regex.IsMatch(text));
+        }
+    }
+
+    /// <summary>
+    /// Make sure input contains only letters, numbers, underscores or hyphens (and optionally spaces).
+    /// </summary>
+    public class SlugValidator : ITextValidator
+    {
+        // the regex to use
+        System.Text.RegularExpressions.Regex _regex;
+
+        // regex for slug with spaces
+        static System.Text.RegularExpressions.Regex _slugNoSpaces = new System.Text.RegularExpressions.Regex(@"^[a-zA-Z\-_]+$");
+
+        // regex for slug without spaces
+        static System.Text.RegularExpressions.Regex _slugWithSpaces = new System.Text.RegularExpressions.Regex(@"^[a-zA-Z\-_\ ]+$");
+
+        /// <summary>
+        /// Create the slug validator.
+        /// </summary>
+        /// <param name="allowSpaces">If true, will allow spaces.</param>
+        public SlugValidator(bool allowSpaces = false)
+        {
+            _regex = allowSpaces ? _slugWithSpaces : _slugNoSpaces;
+        }
+
+        /// <summary>
+        /// Return true if text input is slug.
+        /// </summary>
+        /// <param name="text">New text input value.</param>
+        /// <param name="oldText">Previous text input value.</param>
+        /// <returns>If TextInput value is legal.</returns>
+        public bool ValidateText(ref string text, string oldText)
+        {
+            return (text.Length == 0 || _regex.IsMatch(text));
+        }
+    }
+
+
+    /// <summary>
+    /// Make sure input don't contain double spaces or tabs.
+    /// </summary>
+    public class OnlySingleSpaces : ITextValidator
     {
         /// <summary>
-        /// Return true if text input is only english characters
+        /// Return true if text input don't contain double spaces or tabs.
         /// </summary>
         /// <param name="text">New text input value.</param>
         /// <param name="oldText">Previous text input value.</param>
         /// <returns>If TextInput value is legal.</returns>
         public bool ValidateText(ref string text, string oldText)
         {
-            return (text.Length == 0 || System.Text.RegularExpressions.Regex.IsMatch(text, @"^[a-zA-Z|]+$"));
+            return !text.Contains("  ") && !text.Contains("\t");
         }
     }
 

GeonBit.UI/Source/UserInterface.cs

@@ -85,7 +85,7 @@ public enum BuiltinThemes
     public class UserInterface
     {
         /// <summary>Current GeonBit.UI version identifier.</summary>
-        public const string VERSION = "3.0.1.2";
+        public const string VERSION = "3.0.1.3";
 
         /// <summary>
         /// The currently active user interface instance.

README.md

@@ -1770,6 +1770,12 @@ For older MonoGame versions, see [tag 2.1.0.0](https://github.com/RonenNess/Geon
 - Fixed combobox and radio buttons label positioning with global scaling.
 - Fixed mouse position on first frame of a new User Interface.
 
+## 3.0.1.3
+
+- Added outline opacity property.
+- Added some text validators.
+- Improved existing text validators efficiency + added support in spaces / no spaces. 
+
 ## Credits
 
 GeonBit.UI was written by Ronen Ness, but uses some free textures made by awesome people who share their work for free.