add validator for colors - RGB

Author: dszymczuk

src/modules/color.js

@@ -15,6 +15,22 @@
 
   $.formUtils.registerLoadedModule('color');
 
+  /*
+    HELPER FUNCTIONS
+   */
+  var filterFloat = function(value) {
+    if (/^(\-|\+)?([0-9]+(\.[0-9]+)?|Infinity)$/
+        .test(value)) {
+      return Number(value);
+    }
+
+    return NaN;
+  };
+
+  var isBetween0and1 = function(value) {
+    return value > 0 && value < 1;
+  };
+
   /**
    * Check HEX format
    */
@@ -50,7 +66,38 @@
     errorMessageKey: 'badHex'
   });
 
+  /**
+   * Check RGB format
+   */
+  $.formUtils.addValidator({
+    name: 'rgb',
+    validatorFunction: function(val, $el) {
+      if ($el.valAttr('allow-transparent') === 'true' && val === 'transparent') {
+        return true;
+      }
+
+      var removedSpace = val.replace(/ /g, '');
+      var regex = /\([0-9]{1,3},[0-9]{1,3},[0-9]{1,3}\)/i;
 
+      if (removedSpace.match(regex)) {
+        var removeBrackets = removedSpace.replace(/\(/g, '').replace(/\)/g, '');
+        var valueSliced = removeBrackets.split(',');
+        var isValid = true;
+
+        valueSliced.forEach(function(i) {
+          var parsedInt = parseInt(i);
+          if ((Number.isInteger(parsedInt) && 0 <= parsedInt && parsedInt <= 255) === false) {
+            isValid = false;
+          }
+        });
+        return isValid;
+      }
+
+      return false;
+    },
+    errorMessage: '',
+    errorMessageKey: 'badRgb'
+  });
 
 
 })(jQuery);