added radio button validation for single and grouped radios. made getPosition() use the first input element if a set of elements is available

Author: lbarratt

src/validator/validator.js

@@ -95,14 +95,17 @@
 	};
 
 	/* calculate error message position relative to the input */  	
-	function getPosition(trigger, el, conf) {	
+	function getPosition(trigger, el, conf) {
+	
+		// Get the first element in the selector set
+		el = $(el).first() || el;
 
 		// get origin top/left position 
-		var top = trigger.offset().top, 
-			 left = trigger.offset().left,	 
-			 pos = conf.position.split(/,?\s+/),
-			 y = pos[0],
-			 x = pos[1];
+		var	top = trigger.offset().top, 
+			left = trigger.offset().left,	 
+			pos = conf.position.split(/,?\s+/),
+			y = pos[0],
+			x = pos[1];
 
 		top  -= el.outerHeight() - conf.offset[0];
 		left += trigger.outerWidth() + conf.offset[1];
@@ -256,12 +259,21 @@
 		return p.test(el.val()); 			
 	});
 
+	v.fn(":radio", "Please select an option.", function(el) {
+		var	checked = false;
+		var	els = $("[name=" + el.attr("name") + "]").each(function(i, el) {
+			if ($(el).is(":checked")) {
+				checked = true;
+			}
+		});
+		return (checked) ? true : false;
+	});
 
 	function Validator(inputs, form, conf) {		
 
 		// private variables
 		var self = this, 
-			 fire = form.add(self);
+			fire = form.add(self);
 
 		// make sure there are input fields available
 		inputs = inputs.not(":button, :image, :reset, :submit");			 
@@ -401,7 +413,7 @@
 				var errs = [];
 
 				// loop trough the inputs
-				els.not(":radio:not(:checked)").each(function() {
+				els.not(":radio:checked").each(function() {
 
 					// field and it's error message container						
 					var msgs = [], 
@@ -545,22 +557,27 @@
 			});	
 		} 
 
-		// checkboxes, selects and radios are checked separately
+		// checkboxes and selects are checked separately
 		inputs.filter(":checkbox, select").filter("[required]").bind("change.V", function(e) {
 			var el = $(this);
 			if (this.checked || (el.is("select") && $(this).val())) {
 				effects[conf.effect][1].call(self, el, e); 
 			}
-		});		
-		
-		var radios = inputs.filter(":radio").change(function(e) {
-			self.checkValidity(radios, e);
+		});
+
+		// get radio groups by name
+		inputs.filter(":radio[required]").bind("change.V", function(e) {			
+			var els = $("[name=" + $(e.srcElement).attr("name") + "]");
+			if ((els != null) && (els.length != 0)) {
+				self.checkValidity(els, e);
+			}
 		});
 
 		// reposition tooltips when window is resized
 		$(window).resize(function() {
 			self.reflow();		
 		});
+		
 	}
 
 
@@ -593,6 +610,4 @@
 
 	};   
 
-})(jQuery);
-			
-
+})(jQuery);