diff options
Diffstat (limited to 'js/dojo-1.6/dojox/validate/isbn.xd.js')
| -rw-r--r-- | js/dojo-1.6/dojox/validate/isbn.xd.js | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/js/dojo-1.6/dojox/validate/isbn.xd.js b/js/dojo-1.6/dojox/validate/isbn.xd.js new file mode 100644 index 0000000..6e2396c --- /dev/null +++ b/js/dojo-1.6/dojox/validate/isbn.xd.js @@ -0,0 +1,53 @@ +/*
+ Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
+ Available via Academic Free License >= 2.1 OR the modified BSD license.
+ see: http://dojotoolkit.org/license for details
+*/
+
+
+dojo._xdResourceLoaded(function(dojo, dijit, dojox){
+return {depends: [["provide", "dojox.validate.isbn"]],
+defineResource: function(dojo, dijit, dojox){if(!dojo._hasResource["dojox.validate.isbn"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.validate.isbn"] = true;
+dojo.provide("dojox.validate.isbn");
+// summary: Provides ISBN validation functions in `dojox.validate`
+//
+dojox.validate.isValidIsbn = function(/* String */value) {
+ // summary: Validate ISBN-10 or ISBN-13 based on the length of value
+ // value: String
+ // An ISBN to validate
+ // returns: Boolean
+ var len, sum = 0, weight;
+ if(!dojo.isString(value)){
+ value = String(value);
+ }
+ value = value.replace(/[- ]/g,''); //ignore dashes and whitespaces
+ len = value.length;
+
+ switch(len){
+ case 10:
+ weight = len;
+ // ISBN-10 validation algorithm
+ for(var i = 0; i < 9; i++){
+ sum += parseInt(value.charAt(i)) * weight;
+ weight--;
+ }
+ var t = value.charAt(9).toUpperCase();
+ sum += t == 'X' ? 10 : parseInt(t);
+ return sum % 11 == 0; // Boolean
+ break;
+ case 13:
+ weight = -1;
+ for(var i = 0; i< len; i++){
+ sum += parseInt(value.charAt(i)) * (2 + weight);
+ weight *= -1;
+ }
+ return sum % 10 == 0; // Boolean
+ break;
+ }
+ return false;
+}
+
+}
+
+}};});
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