Facebook-like tags for search.

[wolnelektury.git] / wolnelektury / static / js / jquery.autocomplete.js

diff --git a/wolnelektury/static/js/jquery.autocomplete.js b/wolnelektury/static/js/jquery.autocomplete.js
index 9d12a29..4e425e8 100644 (file)
--- a/wolnelektury/static/js/jquery.autocomplete.js
+++ b/wolnelektury/static/js/jquery.autocomplete.js
@@ -10,6 +10,11 @@
  * Revision: $Id: jquery.autocomplete.js 15 2009-08-22 10:30:27Z joern.zaefferer $
  */
 
+/*
+ * Modified by Radek Czajka, Fundacja Nowoczesna Polska, 2010-05-10:
+ *   escape regex for word start checking in matchSubset
+ */
+
 ;(function($) {
        
 $.fn.extend({
@@ -425,8 +430,22 @@ $.Autocompleter.defaults = {
        width: 0,
        multiple: false,
        multipleSeparator: ", ",
+    regex_escape: function(term) {
+        term = term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1");
+        /* no polish diacritics; should be more locale-aware */
+        term = term.replace(/a/g, '[aą]')
+                .replace(/c/g, '[cć]')
+                .replace(/e/g, '[eę]')
+                .replace(/l/g, '[lł]')
+                .replace(/n/g, '[nń]')
+                .replace(/o/g, '[oó]')
+                .replace(/s/g, '[sś]')
+                .replace(/z/g, '[zźż]');
+        return term;
+    },
        highlight: function(value, term) {
-               return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
+               term = $.Autocompleter.defaults.regex_escape(term);
+               return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
        },
     scroll: true,
     scrollHeight: 180
@@ -442,7 +461,8 @@ $.Autocompleter.Cache = function(options) {
                        s = s.toLowerCase();
                var i = s.indexOf(sub);
                if (options.matchContains == "word"){
-                       i = s.toLowerCase().search("\\b" + sub.toLowerCase());
+                       query = $.Autocompleter.defaults.regex_escape(sub.toLowerCase());
+                       i = s.toLowerCase().search("\\b" + query);
                }
                if (i == -1) return false;
                return i == 0 || options.matchContains;