OAuth OK!

testOauthClient/wwwroot/lib/jquery-validation/src/additional/require_from_group.js

@@ -0,0 +1,37 @@
+/*
+ * Lets you say "at least X inputs that match selector Y must be filled."
+ *
+ * The end result is that neither of these inputs:
+ *
+ *	<input class="productinfo" name="partnumber">
+ *	<input class="productinfo" name="description">
+ *
+ *	...will validate unless at least one of them is filled.
+ *
+ * partnumber:	{require_from_group: [1,".productinfo"]},
+ * description: {require_from_group: [1,".productinfo"]}
+ *
+ * options[0]: number of fields that must be filled in the group
+ * options[1]: CSS selector that defines the group of conditionally required fields
+ */
+$.validator.addMethod("require_from_group", function(value, element, options) {
+	var $fields = $(options[1], element.form),
+		$fieldsFirst = $fields.eq(0),
+		validator = $fieldsFirst.data("valid_req_grp") ? $fieldsFirst.data("valid_req_grp") : $.extend({}, this),
+		isValid = $fields.filter(function() {
+			return validator.elementValue(this);
+		}).length >= options[0];
+
+	// Store the cloned validator for future validation
+	$fieldsFirst.data("valid_req_grp", validator);
+
+	// If element isn't being validated, run each require_from_group field's validation rules
+	if (!$(element).data("being_validated")) {
+		$fields.data("being_validated", true);
+		$fields.each(function() {
+			validator.element(this);
+		});
+		$fields.data("being_validated", false);
+	}
+	return isValid;
+}, $.validator.format("Please fill at least {0} of these fields."));