From 3e4003f39c7ac737bff912d1455518014ff726bf Mon Sep 17 00:00:00 2001
From: Ilya Rogov <mr.apaxuc@gmail.com>
Date: Sun, 28 Oct 2012 00:10:36 +0400
Subject: [PATCH] add config max value

---
 numeric/jquery.numeric.js | 31 +++++++++++++++++++++++++++++--
 numeric/test.html         |  6 ++++++
 2 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/numeric/jquery.numeric.js b/numeric/jquery.numeric.js
index d07520f..3f90d5c 100644
--- a/numeric/jquery.numeric.js
+++ b/numeric/jquery.numeric.js
@@ -21,6 +21,8 @@
  * @example  $(".numeric").numeric();
  * @example  $(".numeric").numeric(","); // use , as separator
  * @example  $(".numeric").numeric({ decimal : "," }); // use , as separator
+ * @example  $(".numeric").numeric({ max : 999 }); // max value
+ * @example  $(".numeric").numeric({ max : 'auto' }); // max value <input type="text" data-max="999" />
  * @example  $(".numeric").numeric({ negative : false }); // do not allow negative values
  * @example  $(".numeric").numeric(null, callback); // use default values, pass on the 'callback' function
  *
@@ -34,14 +36,17 @@ $.fn.numeric = function(config, callback)
 	config = config || {};
 	// if config.negative undefined, set to true (default is to allow negative numbers)
 	if(typeof config.negative == "undefined") { config.negative = true; }
+	if(typeof config.max == "undefined") { config.max = false; }
 	// set decimal point
 	var decimal = (config.decimal === false) ? "" : config.decimal || ".";
 	// allow negatives
 	var negative = (config.negative === true) ? true : false;
+	// max value
+	var max = (config.max === false) ? false : config.max;
 	// callback function
 	callback = (typeof(callback) == "function" ? callback : function() {});
 	// set data and methods
-	return this.data("numeric.decimal", decimal).data("numeric.negative", negative).data("numeric.callback", callback).keypress($.fn.numeric.keypress).keyup($.fn.numeric.keyup).blur($.fn.numeric.blur);
+	return this.data("numeric.decimal", decimal).data("numeric.negative", negative).data("numeric.max", max).data("numeric.callback", callback).keypress($.fn.numeric.keypress).keyup($.fn.numeric.keyup).blur($.fn.numeric.blur);
 };
 
 $.fn.numeric.keypress = function(e)
@@ -134,12 +139,16 @@ $.fn.numeric.keypress = function(e)
 	{
 		allow = true;
 	}
+	if(allow)
+	{
+		allow = $.fn.checkMaxValue(this);
+	}
 	return allow;
 };
 
 $.fn.numeric.keyup = function(e)
 {
-	var val = $(this).value;
+	var val = this.value;
 	if(val && val.length > 0)
 	{
 		// get carat (cursor) position
@@ -217,6 +226,7 @@ $.fn.numeric.keyup = function(e)
 		}
 		// set the value and prevent the cursor moving to the end
 		this.value = val;
+		$.fn.checkMaxValue(this);
 		$.fn.setSelection(this, carat);
 	}
 };
@@ -277,4 +287,21 @@ $.fn.setSelection = function(o, p)
 	}
 };
 
+// check max value
+$.fn.checkMaxValue = function(e)
+{
+	var max = $.data(e, "numeric.max");
+	if(max == 'auto')
+	{
+		max = $(e).data("max");
+	}
+	var value = $(e).val();
+	if(max && value >= max)
+	{
+		$(e).val(max);
+		return false;
+	}
+	return true;
+};
+
 })(jQuery);
diff --git a/numeric/test.html b/numeric/test.html
index 631dbfc..5ff0d0f 100644
--- a/numeric/test.html
+++ b/numeric/test.html
@@ -10,6 +10,10 @@
 		<input class="numeric" type="text" />
 		Integers only:
 		<input class="integer" type="text" />
+		Integers only, max 999:
+		<input class="integer-max" type="text" />
+		Integers only, max auto:
+		<input class="integer-max-auto" type="text" data-max="999"/>
 		No negative values:
 		<input class="positive" type="text" />
 		No negative values (integer only):
@@ -19,6 +23,8 @@
 	<script type="text/javascript">
 	$(".numeric").numeric();
 	$(".integer").numeric(false, function() { alert("Integers only"); this.value = ""; this.focus(); });
+	$(".integer-max").numeric({ max: 999 });
+	$(".integer-max-auto").numeric({ max: 'auto' });
 	$(".positive").numeric({ negative: false }, function() { alert("No negative values"); this.value = ""; this.focus(); });
 	$(".positive-integer").numeric({ decimal: false, negative: false }, function() { alert("Positive integers only"); this.value = ""; this.focus(); });
 	$("#remove").click(