From 559a93bcb678a824ff423936028d96db7399822b Mon Sep 17 00:00:00 2001
From: Kevin Brown <kevin@kevinbrown.in>
Date: Mon, 20 Oct 2014 19:15:37 -0400
Subject: [PATCH] Added basic implementation of tags

Tags no longer takes an array, as pre-existing tags should already
exist as options in the data adapter.  A compatibility module will
later be added to convert tag data that is passed in to array data.

Tags allow for users to enter their own options, which will be
added to the beginning of the results list.
---
 dist/js/select2.amd.full.js   | 120 ++++++++++++++++++++++++++++------
 dist/js/select2.amd.js        | 120 ++++++++++++++++++++++++++++------
 dist/js/select2.full.js       | 120 ++++++++++++++++++++++++++++------
 dist/js/select2.full.min.js   |   2 +-
 dist/js/select2.js            | 120 ++++++++++++++++++++++++++++------
 dist/js/select2.min.js        |   2 +-
 docs/examples.html            |  33 ++++++++++
 src/js/select2/data/array.js  |  19 ------
 src/js/select2/data/select.js |  31 +++++++++
 src/js/select2/data/tags.js   |  62 ++++++++++++++++++
 src/js/select2/defaults.js    |   7 +-
 11 files changed, 534 insertions(+), 102 deletions(-)
 create mode 100644 src/js/select2/data/tags.js

diff --git a/dist/js/select2.amd.full.js b/dist/js/select2.amd.full.js
index 0fe22c4f..b94961a1 100644
--- a/dist/js/select2.amd.full.js
+++ b/dist/js/select2.amd.full.js
@@ -879,6 +879,16 @@ define('select2/data/select',[
   SelectAdapter.prototype.select = function (data) {
     var self = this;
 
+    // Create items marked as tags
+    if (data._tag === true) {
+      // Clear the tag flag from it
+      delete data._tag;
+
+      // Create and add the option
+      var $option = this.option(data);
+      this.$element.append($option);
+    }
+
     if (this.$element.prop('multiple')) {
       this.current(function (currentData) {
         var val = [];
@@ -901,6 +911,7 @@ define('select2/data/select',[
       var val = data.id;
 
       this.$element.val(val);
+
       this.$element.trigger('change');
     }
   };
@@ -924,6 +935,7 @@ define('select2/data/select',[
       }
 
       self.$element.val(val);
+
       self.$element.trigger('change');
     });
   };
@@ -967,6 +979,25 @@ define('select2/data/select',[
     callback(data);
   };
 
+  SelectAdapter.prototype.option = function (data) {
+    var $option = $('<option></option>');
+
+    $option.text(data.text);
+    $option.val(data.id);
+    $option.prop('disabled', data.disabled || false);
+
+    // Get any automatically generated data values
+    var detectedData = this.item($option);
+
+    // Merge it with the already present data
+    var combinedData = $.extend({}, data, detectedData);
+
+    // Override the option's data with the combined data
+    $option.data('data', combinedData);
+
+    return $option;
+  };
+
   SelectAdapter.prototype.item = function ($option) {
     var data = $option.data('data');
 
@@ -1074,25 +1105,6 @@ define('select2/data/array',[
     ArrayAdapter.__super__.select.call(this, data);
   };
 
-  ArrayAdapter.prototype.option = function (data) {
-    var $option = $('<option></option>');
-
-    $option.text(data.text);
-    $option.val(data.id);
-    $option.prop('disabled', data.disabled || false);
-
-    // Get any automatically generated data values
-    var detectedData = this.item($option);
-
-    // Merge it with the already present data
-    var combinedData = $.extend({}, data, detectedData);
-
-    // Override the option's data with the combined data
-    $option.data('data', combinedData);
-
-    return $option;
-  };
-
   ArrayAdapter.prototype.query = function (params, callback) {
     var matches = [];
     var self = this;
@@ -1157,6 +1169,69 @@ define('select2/data/ajax',[
   return AjaxAdapter;
 });
 
+define('select2/data/tags',[
+
+], function () {
+  function Tags (decorated, $element, options) {
+    var tags = options.get('tags');
+
+    decorated.call(this, $element, options);
+  }
+
+  Tags.prototype.query = function (decorated, params, callback) {
+    var self = this;
+
+    if (params.term == null || params.term === '' || params.page != null) {
+      decorated.call(this, params, callback);
+      return;
+    }
+
+    function wrapper (data, child) {
+      for (var i = 0; i < data.length; i++) {
+        var option = data[i];
+
+        var checkChildren = (
+          option.children != null && !wrapper(option.children, true)
+        );
+
+        var checkText = option.text === params.term;
+
+        if (checkText || checkChildren) {
+          if (child) {
+            return false;
+          }
+
+          callback(data);
+
+          return;
+        }
+      }
+
+      if (child) {
+        return true;
+      }
+
+      var tag = self.createTag(params);
+      tag._tag = true;
+
+      data.unshift(tag);
+
+      callback(data);
+    }
+
+    decorated.call(this, params, wrapper);
+  };
+
+  Tags.prototype.createTag = function (decorated, params) {
+    return {
+      id: params.term,
+      text: params.term
+    };
+  };
+
+  return Tags;
+});
+
 define('select2/dropdown',[
   './utils'
 ], function (Utils) {
@@ -1256,13 +1331,14 @@ define('select2/defaults',[
   './data/select',
   './data/array',
   './data/ajax',
+  './data/tags',
 
   './dropdown',
   './dropdown/search'
 ], function (ResultsList,
              SingleSelection, MultipleSelection, Placeholder,
              Utils,
-             SelectData, ArrayData, AjaxData,
+             SelectData, ArrayData, AjaxData, Tags,
              Dropdown, Search) {
   function Defaults () {
     this.reset();
@@ -1281,6 +1357,10 @@ define('select2/defaults',[
       }
     }
 
+    if (options.tags != null) {
+      options.dataAdapter = Utils.Decorate(options.dataAdapter, Tags);
+    }
+
     if (options.resultsAdapter == null) {
       options.resultsAdapter = ResultsList;
     }
diff --git a/dist/js/select2.amd.js b/dist/js/select2.amd.js
index 0fe22c4f..b94961a1 100644
--- a/dist/js/select2.amd.js
+++ b/dist/js/select2.amd.js
@@ -879,6 +879,16 @@ define('select2/data/select',[
   SelectAdapter.prototype.select = function (data) {
     var self = this;
 
+    // Create items marked as tags
+    if (data._tag === true) {
+      // Clear the tag flag from it
+      delete data._tag;
+
+      // Create and add the option
+      var $option = this.option(data);
+      this.$element.append($option);
+    }
+
     if (this.$element.prop('multiple')) {
       this.current(function (currentData) {
         var val = [];
@@ -901,6 +911,7 @@ define('select2/data/select',[
       var val = data.id;
 
       this.$element.val(val);
+
       this.$element.trigger('change');
     }
   };
@@ -924,6 +935,7 @@ define('select2/data/select',[
       }
 
       self.$element.val(val);
+
       self.$element.trigger('change');
     });
   };
@@ -967,6 +979,25 @@ define('select2/data/select',[
     callback(data);
   };
 
+  SelectAdapter.prototype.option = function (data) {
+    var $option = $('<option></option>');
+
+    $option.text(data.text);
+    $option.val(data.id);
+    $option.prop('disabled', data.disabled || false);
+
+    // Get any automatically generated data values
+    var detectedData = this.item($option);
+
+    // Merge it with the already present data
+    var combinedData = $.extend({}, data, detectedData);
+
+    // Override the option's data with the combined data
+    $option.data('data', combinedData);
+
+    return $option;
+  };
+
   SelectAdapter.prototype.item = function ($option) {
     var data = $option.data('data');
 
@@ -1074,25 +1105,6 @@ define('select2/data/array',[
     ArrayAdapter.__super__.select.call(this, data);
   };
 
-  ArrayAdapter.prototype.option = function (data) {
-    var $option = $('<option></option>');
-
-    $option.text(data.text);
-    $option.val(data.id);
-    $option.prop('disabled', data.disabled || false);
-
-    // Get any automatically generated data values
-    var detectedData = this.item($option);
-
-    // Merge it with the already present data
-    var combinedData = $.extend({}, data, detectedData);
-
-    // Override the option's data with the combined data
-    $option.data('data', combinedData);
-
-    return $option;
-  };
-
   ArrayAdapter.prototype.query = function (params, callback) {
     var matches = [];
     var self = this;
@@ -1157,6 +1169,69 @@ define('select2/data/ajax',[
   return AjaxAdapter;
 });
 
+define('select2/data/tags',[
+
+], function () {
+  function Tags (decorated, $element, options) {
+    var tags = options.get('tags');
+
+    decorated.call(this, $element, options);
+  }
+
+  Tags.prototype.query = function (decorated, params, callback) {
+    var self = this;
+
+    if (params.term == null || params.term === '' || params.page != null) {
+      decorated.call(this, params, callback);
+      return;
+    }
+
+    function wrapper (data, child) {
+      for (var i = 0; i < data.length; i++) {
+        var option = data[i];
+
+        var checkChildren = (
+          option.children != null && !wrapper(option.children, true)
+        );
+
+        var checkText = option.text === params.term;
+
+        if (checkText || checkChildren) {
+          if (child) {
+            return false;
+          }
+
+          callback(data);
+
+          return;
+        }
+      }
+
+      if (child) {
+        return true;
+      }
+
+      var tag = self.createTag(params);
+      tag._tag = true;
+
+      data.unshift(tag);
+
+      callback(data);
+    }
+
+    decorated.call(this, params, wrapper);
+  };
+
+  Tags.prototype.createTag = function (decorated, params) {
+    return {
+      id: params.term,
+      text: params.term
+    };
+  };
+
+  return Tags;
+});
+
 define('select2/dropdown',[
   './utils'
 ], function (Utils) {
@@ -1256,13 +1331,14 @@ define('select2/defaults',[
   './data/select',
   './data/array',
   './data/ajax',
+  './data/tags',
 
   './dropdown',
   './dropdown/search'
 ], function (ResultsList,
              SingleSelection, MultipleSelection, Placeholder,
              Utils,
-             SelectData, ArrayData, AjaxData,
+             SelectData, ArrayData, AjaxData, Tags,
              Dropdown, Search) {
   function Defaults () {
     this.reset();
@@ -1281,6 +1357,10 @@ define('select2/defaults',[
       }
     }
 
+    if (options.tags != null) {
+      options.dataAdapter = Utils.Decorate(options.dataAdapter, Tags);
+    }
+
     if (options.resultsAdapter == null) {
       options.resultsAdapter = ResultsList;
     }
diff --git a/dist/js/select2.full.js b/dist/js/select2.full.js
index b3491716..e36d3e61 100644
--- a/dist/js/select2.full.js
+++ b/dist/js/select2.full.js
@@ -10417,6 +10417,16 @@ define('select2/data/select',[
   SelectAdapter.prototype.select = function (data) {
     var self = this;
 
+    // Create items marked as tags
+    if (data._tag === true) {
+      // Clear the tag flag from it
+      delete data._tag;
+
+      // Create and add the option
+      var $option = this.option(data);
+      this.$element.append($option);
+    }
+
     if (this.$element.prop('multiple')) {
       this.current(function (currentData) {
         var val = [];
@@ -10439,6 +10449,7 @@ define('select2/data/select',[
       var val = data.id;
 
       this.$element.val(val);
+
       this.$element.trigger('change');
     }
   };
@@ -10462,6 +10473,7 @@ define('select2/data/select',[
       }
 
       self.$element.val(val);
+
       self.$element.trigger('change');
     });
   };
@@ -10505,6 +10517,25 @@ define('select2/data/select',[
     callback(data);
   };
 
+  SelectAdapter.prototype.option = function (data) {
+    var $option = $('<option></option>');
+
+    $option.text(data.text);
+    $option.val(data.id);
+    $option.prop('disabled', data.disabled || false);
+
+    // Get any automatically generated data values
+    var detectedData = this.item($option);
+
+    // Merge it with the already present data
+    var combinedData = $.extend({}, data, detectedData);
+
+    // Override the option's data with the combined data
+    $option.data('data', combinedData);
+
+    return $option;
+  };
+
   SelectAdapter.prototype.item = function ($option) {
     var data = $option.data('data');
 
@@ -10612,25 +10643,6 @@ define('select2/data/array',[
     ArrayAdapter.__super__.select.call(this, data);
   };
 
-  ArrayAdapter.prototype.option = function (data) {
-    var $option = $('<option></option>');
-
-    $option.text(data.text);
-    $option.val(data.id);
-    $option.prop('disabled', data.disabled || false);
-
-    // Get any automatically generated data values
-    var detectedData = this.item($option);
-
-    // Merge it with the already present data
-    var combinedData = $.extend({}, data, detectedData);
-
-    // Override the option's data with the combined data
-    $option.data('data', combinedData);
-
-    return $option;
-  };
-
   ArrayAdapter.prototype.query = function (params, callback) {
     var matches = [];
     var self = this;
@@ -10695,6 +10707,69 @@ define('select2/data/ajax',[
   return AjaxAdapter;
 });
 
+define('select2/data/tags',[
+
+], function () {
+  function Tags (decorated, $element, options) {
+    var tags = options.get('tags');
+
+    decorated.call(this, $element, options);
+  }
+
+  Tags.prototype.query = function (decorated, params, callback) {
+    var self = this;
+
+    if (params.term == null || params.term === '' || params.page != null) {
+      decorated.call(this, params, callback);
+      return;
+    }
+
+    function wrapper (data, child) {
+      for (var i = 0; i < data.length; i++) {
+        var option = data[i];
+
+        var checkChildren = (
+          option.children != null && !wrapper(option.children, true)
+        );
+
+        var checkText = option.text === params.term;
+
+        if (checkText || checkChildren) {
+          if (child) {
+            return false;
+          }
+
+          callback(data);
+
+          return;
+        }
+      }
+
+      if (child) {
+        return true;
+      }
+
+      var tag = self.createTag(params);
+      tag._tag = true;
+
+      data.unshift(tag);
+
+      callback(data);
+    }
+
+    decorated.call(this, params, wrapper);
+  };
+
+  Tags.prototype.createTag = function (decorated, params) {
+    return {
+      id: params.term,
+      text: params.term
+    };
+  };
+
+  return Tags;
+});
+
 define('select2/dropdown',[
   './utils'
 ], function (Utils) {
@@ -10794,13 +10869,14 @@ define('select2/defaults',[
   './data/select',
   './data/array',
   './data/ajax',
+  './data/tags',
 
   './dropdown',
   './dropdown/search'
 ], function (ResultsList,
              SingleSelection, MultipleSelection, Placeholder,
              Utils,
-             SelectData, ArrayData, AjaxData,
+             SelectData, ArrayData, AjaxData, Tags,
              Dropdown, Search) {
   function Defaults () {
     this.reset();
@@ -10819,6 +10895,10 @@ define('select2/defaults',[
       }
     }
 
+    if (options.tags != null) {
+      options.dataAdapter = Utils.Decorate(options.dataAdapter, Tags);
+    }
+
     if (options.resultsAdapter == null) {
       options.resultsAdapter = ResultsList;
     }
diff --git a/dist/js/select2.full.min.js b/dist/js/select2.full.min.js
index c50c7c60..8fdb32df 100644
--- a/dist/js/select2.full.min.js
+++ b/dist/js/select2.full.min.js
@@ -1,4 +1,4 @@
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d=[],e=0;e<c.length;e++)id=c[e].id,id!==a.id&&-1===d.indexOf(id)&&d.push(id);b.$element.val(d),b.$element.trigger("change")})},d.prototype.bind=function(a){var b=this;this.container=a,a.on("select",function(a){b.select(a.data)}),a.on("unselect",function(a){b.unselect(a.data)})},d.prototype.query=function(a,b){var d=[],e=this,f=this.$element.children();f.each(function(){var b=c(this);if(b.is("option")||b.is("optgroup")){var f=e.item(b),g=e.matches(a,f);null!==g&&d.push(g)}}),b(d)},d.prototype.item=function(a){var b=a.data("data");if(null==b){if(a.is("option"))b={id:a.val(),text:a.html(),disabled:a.prop("disabled")};else if(a.is("optgroup")){b={text:a.attr("label"),children:[]};for(var d=a.children("option"),e=[],f=0;f<d.length;f++){var g=c(d[f]),h=this.item(g);e.push(h)}b.children=e}b.id&&null!=this.container&&(b._resultId=this.generateResultId(this.container,b)),a.data("data",b)}return b},d.prototype.matches=function(a,b){var d=c.extend(!0,{},b);if(b.children){for(var e=b.children.length-1;e>=0;e--){var f=b.children[e],g=this.matches(a,f);null===g&&d.children.splice(e,1)}if(d.children.length>0)return d}return""===c.trim(a.term)?d:b.text.toUpperCase().indexOf(a.term.toUpperCase())>-1?d:null},d}),define("select2/data/array",["./select","../utils","jquery"],function(a,b,c){function d(a,b){this.data=b.get("data"),d.__super__.constructor.call(this,a,b)}return b.Extend(d,a),d.prototype.select=function(a){var b=this;this.$element.find("option").each(function(){var d=c(this),e=b.item(d);e.id==a.id.toString()&&d.remove()});var e=this.option(a);this.$element.append(e),d.__super__.select.call(this,a)},d.prototype.option=function(a){var b=c("<option></option>");b.text(a.text),b.val(a.id),b.prop("disabled",a.disabled||!1);var d=this.item(b),e=c.extend({},a,d);return b.data("data",e),b},d.prototype.query=function(a,b){var d=[],e=this;c.each(this.data,function(){var b=this;e.matches(a,b)&&d.push(b)}),b(d)},d}),define("select2/data/ajax",["./array","../utils","jquery"],function(a,b,c){function d(b,c){this.ajaxOptions=c.get("ajax"),this.processResults=this.ajaxOptions.processResults||function(a){return a},a.__super__.constructor.call(this,b,c)}return b.Extend(d,a),d.prototype.query=function(a,b){var d=this,e=c.extend({type:"GET"},this.ajaxOptions);"function"==typeof e.url&&(e.url=e.url(a)),"function"==typeof e.data&&(e.data=e.data(a));var f=c.ajax(e);f.success(function(a){var c=d.processResults(a);b(c)})},d}),define("select2/dropdown",["./utils"],function(a){function b(a){this.$element=a}return a.Extend(b,a.Observable),b.prototype.render=function(){var a=$('<span class="dropdown"><span class="results"></span></span>');return a},b.prototype.bind=function(){},b}),define("select2/dropdown/search",[],function(){function a(){}return a.prototype.render=function(a){var b=a.call(this),c=$('<span class="search"><input type="search" name="search" tabindex="-1" role="textbox" /></span>');return this.$searchContainer=c,this.$search=c.find("input"),b.prepend(c),b},a.prototype.bind=function(a,b,c){var d=this;a.call(this,b,c),this.$search.on("keyup",function(){b.trigger("query",{term:$(this).val()})}),b.on("open",function(){d.$search.attr("tabindex",0)}),b.on("close",function(){d.$search.attr("tabindex",-1)}),b.on("results:all",function(a){if(null==a.query.term||""===a.query.term){var b=d.showSearch(a);b?d.$searchContainer.show():d.$searchContainer.hide()}})},a.prototype.showSearch=function(){return!0},a}),define("select2/defaults",["./results","./selection/single","./selection/multiple","./selection/placeholder","./utils","./data/select","./data/array","./data/ajax","./dropdown","./dropdown/search"],function(a,b,c,d,e,f,g,h,i,j){function k(){this.reset()}k.prototype.apply=function(k){if(k=$.extend({},k,this.defaults),null==k.dataAdapter&&(k.dataAdapter=k.ajax?h:k.data?g:f),null==k.resultsAdapter&&(k.resultsAdapter=a),null==k.dropdownAdapter){var l=e.Decorate(i,j);k.dropdownAdapter=l}return null==k.selectionAdapter&&(k.selectionAdapter=k.multiple?c:b,null!=k.placeholder&&(k.selectionAdapter=e.Decorate(k.selectionAdapter,d))),k},k.prototype.reset=function(){this.defaults={}};var l=new k;return l}),define("select2/options",["./defaults"],function(a){function b(b){this.options=a.apply(b)}return b.prototype.fromElement=function(){return this},b.prototype.get=function(a){return this.options[a]},b.prototype.set=function(a,b){this.options[a]=b},b}),define("select2/core",["jquery","./options","./utils"],function(a,b,c){var d=function(a,e){this.$element=a,this.id=null!=a.attr("id")?a.attr("id"):null!=a.attr("name")?a.attr("name")+"-"+c.generateChars(2):c.generateChars(4),this.id="select2-"+this.id,e=e||{},e.multiple=e.multiple||a.prop("multiple"),this.options=new b(e),d.__super__.constructor.call(this);var f=this.options.get("dataAdapter");this.data=new f(a,this.options);var g=this.render();this.$container=g,g.insertAfter(this.$element),g.width(a.outerWidth(!1));var h=this.options.get("selectionAdapter");this.selection=new h(a,this.options);var i=g.find(".selection"),j=this.selection.render();i.append(j);var k=this.options.get("dropdownAdapter");this.dropdown=new k(a,this.options);var l=g.find(".dropdown-wrapper"),m=this.dropdown.render();l.append(m);var n=this.options.get("resultsAdapter");this.results=new n(a,this.options,this.data);var o=m.find(".results"),p=this.results.render();o.append(p);var q=this;this.data.bind(this,g),this.selection.bind(this,g),this.dropdown.bind(this,g),this.results.bind(this,g),this.$element.on("change",function(){q.data.current(function(a){q.trigger("selection:update",{data:a})})}),this.selection.on("open",function(){q.trigger("open")}),this.selection.on("close",function(){q.trigger("close")}),this.selection.on("toggle",function(){q.toggleDropdown()}),this.selection.on("results:select",function(){q.trigger("results:select")}),this.selection.on("results:previous",function(){q.trigger("results:previous")}),this.selection.on("results:next",function(){q.trigger("results:next")}),this.selection.on("unselected",function(a){q.trigger("unselect",a),q.trigger("close")}),this.results.on("selected",function(a){q.trigger("select",a),q.trigger("close")}),this.results.on("unselected",function(a){q.trigger("unselect",a),q.trigger("close")}),this.results.on("results:focus",function(a){q.trigger("results:focus",a)}),this.on("open",function(){g.addClass("open")}),this.on("close",function(){g.removeClass("open")}),this.data.current(function(a){q.trigger("selection:update",{data:a})}),this.on("query",function(a){this.data.query(a,function(b){q.trigger("results:all",{data:b,query:a})})}),this.trigger("query",{}),a.hide(),a.attr("tabindex","-1")};return c.Extend(d,c.Observable),d.prototype.toggleDropdown=function(){this.trigger(this.isOpen()?"close":"open")},d.prototype.isOpen=function(){return this.$container.hasClass("open")},d.prototype.render=function(){var b=a('<span class="select2 select2-container select2-theme-default"><span class="selection"></span><span class="dropdown-wrapper" aria-hidden="true"></span></span>');return b},d}),define("jquery.select2",["jquery","select2/core"],function(a,b){return null==a.fn.select2&&(a.fn.select2=function(c){if(c=c||{},"object"==typeof c)this.each(function(){new b(a(this),c)});else{if("string"!=typeof c)throw new Error("Invalid arguments for Select2: "+c);var d=this.data("select2");d[c](arguments.slice(1))}}),b}),require("jquery.select2");
\ No newline at end of file
+f.append(e),f.data("data",d),b.push(f)}this.$selection.find(".rendered-selection").append(b)}},c}),define("select2/selection/placeholder",["../utils"],function(){function a(a,b,c){this.placeholder=this.normalizePlaceholder(c.get("placeholder")),a.call(this,b,c)}return a.prototype.normalizePlaceholder=function(a,b){return"string"==typeof b&&(b={id:"",text:b}),b},a.prototype.update=function(a,b){var c=1==b.length&&b[0].id!=this.placeholder.id,d=b.length>1;if(d||c)return a.call(this,b);this.clear();var e=this.selectionContainer();e.html(this.display(this.placeholder)),e.addClass("placeholder").removeClass("choice"),this.$selection.find(".rendered-selection").append(e)},a}),define("select2/data/base",["../utils"],function(a){function b(){b.__super__.constructor.call(this)}return a.Extend(b,a.Observable),b.prototype.current=function(){throw new Error("The `current` method must be defined in child classes.")},b.prototype.query=function(){throw new Error("The `query` method must be defined in child classes.")},b.prototype.bind=function(){},b.prototype.generateResultId=function(b,c){var d=b.id+"-result-";return d+=a.generateChars(4),d+=null!=c.id?"-"+c.id.toString():"-"+a.generateChars(4)},b}),define("select2/data/select",["./base","../utils","jquery"],function(a,b,c){function d(a){this.$element=a,d.__super__.constructor.call(this)}return b.Extend(d,a),d.prototype.current=function(a){var b=[],d=this;this.$element.find(":selected").each(function(){var a=c(this),e=d.item(a);b.push(e)}),a(b)},d.prototype.select=function(a){var b=this;if(a._tag===!0){delete a._tag;var c=this.option(a);this.$element.append(c)}if(this.$element.prop("multiple"))this.current(function(c){var d=[];a=[a],a.push.apply(a,c);for(var e=0;e<a.length;e++)id=a[e].id,-1===d.indexOf(id)&&d.push(id);b.$element.val(d),b.$element.trigger("change")});else{var d=a.id;this.$element.val(d),this.$element.trigger("change")}},d.prototype.unselect=function(a){var b=this;this.$element.prop("multiple")&&this.current(function(c){for(var d=[],e=0;e<c.length;e++)id=c[e].id,id!==a.id&&-1===d.indexOf(id)&&d.push(id);b.$element.val(d),b.$element.trigger("change")})},d.prototype.bind=function(a){var b=this;this.container=a,a.on("select",function(a){b.select(a.data)}),a.on("unselect",function(a){b.unselect(a.data)})},d.prototype.query=function(a,b){var d=[],e=this,f=this.$element.children();f.each(function(){var b=c(this);if(b.is("option")||b.is("optgroup")){var f=e.item(b),g=e.matches(a,f);null!==g&&d.push(g)}}),b(d)},d.prototype.option=function(a){var b=c("<option></option>");b.text(a.text),b.val(a.id),b.prop("disabled",a.disabled||!1);var d=this.item(b),e=c.extend({},a,d);return b.data("data",e),b},d.prototype.item=function(a){var b=a.data("data");if(null==b){if(a.is("option"))b={id:a.val(),text:a.html(),disabled:a.prop("disabled")};else if(a.is("optgroup")){b={text:a.attr("label"),children:[]};for(var d=a.children("option"),e=[],f=0;f<d.length;f++){var g=c(d[f]),h=this.item(g);e.push(h)}b.children=e}b.id&&null!=this.container&&(b._resultId=this.generateResultId(this.container,b)),a.data("data",b)}return b},d.prototype.matches=function(a,b){var d=c.extend(!0,{},b);if(b.children){for(var e=b.children.length-1;e>=0;e--){var f=b.children[e],g=this.matches(a,f);null===g&&d.children.splice(e,1)}if(d.children.length>0)return d}return""===c.trim(a.term)?d:b.text.toUpperCase().indexOf(a.term.toUpperCase())>-1?d:null},d}),define("select2/data/array",["./select","../utils","jquery"],function(a,b,c){function d(a,b){this.data=b.get("data"),d.__super__.constructor.call(this,a,b)}return b.Extend(d,a),d.prototype.select=function(a){var b=this;this.$element.find("option").each(function(){var d=c(this),e=b.item(d);e.id==a.id.toString()&&d.remove()});var e=this.option(a);this.$element.append(e),d.__super__.select.call(this,a)},d.prototype.query=function(a,b){var d=[],e=this;c.each(this.data,function(){var b=this;e.matches(a,b)&&d.push(b)}),b(d)},d}),define("select2/data/ajax",["./array","../utils","jquery"],function(a,b,c){function d(b,c){this.ajaxOptions=c.get("ajax"),this.processResults=this.ajaxOptions.processResults||function(a){return a},a.__super__.constructor.call(this,b,c)}return b.Extend(d,a),d.prototype.query=function(a,b){var d=this,e=c.extend({type:"GET"},this.ajaxOptions);"function"==typeof e.url&&(e.url=e.url(a)),"function"==typeof e.data&&(e.data=e.data(a));var f=c.ajax(e);f.success(function(a){var c=d.processResults(a);b(c)})},d}),define("select2/data/tags",[],function(){function a(a,b,c){c.get("tags");a.call(this,b,c)}return a.prototype.query=function(a,b,c){function d(a,f){for(var g=0;g<a.length;g++){var h=a[g],i=null!=h.children&&!d(h.children,!0),j=h.text===b.term;if(j||i)return f?!1:void c(a)}if(f)return!0;var k=e.createTag(b);k._tag=!0,a.unshift(k),c(a)}var e=this;return null==b.term||""===b.term||null!=b.page?void a.call(this,b,c):void a.call(this,b,d)},a.prototype.createTag=function(a,b){return{id:b.term,text:b.term}},a}),define("select2/dropdown",["./utils"],function(a){function b(a){this.$element=a}return a.Extend(b,a.Observable),b.prototype.render=function(){var a=$('<span class="dropdown"><span class="results"></span></span>');return a},b.prototype.bind=function(){},b}),define("select2/dropdown/search",[],function(){function a(){}return a.prototype.render=function(a){var b=a.call(this),c=$('<span class="search"><input type="search" name="search" tabindex="-1" role="textbox" /></span>');return this.$searchContainer=c,this.$search=c.find("input"),b.prepend(c),b},a.prototype.bind=function(a,b,c){var d=this;a.call(this,b,c),this.$search.on("keyup",function(){b.trigger("query",{term:$(this).val()})}),b.on("open",function(){d.$search.attr("tabindex",0)}),b.on("close",function(){d.$search.attr("tabindex",-1)}),b.on("results:all",function(a){if(null==a.query.term||""===a.query.term){var b=d.showSearch(a);b?d.$searchContainer.show():d.$searchContainer.hide()}})},a.prototype.showSearch=function(){return!0},a}),define("select2/defaults",["./results","./selection/single","./selection/multiple","./selection/placeholder","./utils","./data/select","./data/array","./data/ajax","./data/tags","./dropdown","./dropdown/search"],function(a,b,c,d,e,f,g,h,i,j,k){function l(){this.reset()}l.prototype.apply=function(l){if(l=$.extend({},l,this.defaults),null==l.dataAdapter&&(l.dataAdapter=l.ajax?h:l.data?g:f),null!=l.tags&&(l.dataAdapter=e.Decorate(l.dataAdapter,i)),null==l.resultsAdapter&&(l.resultsAdapter=a),null==l.dropdownAdapter){var m=e.Decorate(j,k);l.dropdownAdapter=m}return null==l.selectionAdapter&&(l.selectionAdapter=l.multiple?c:b,null!=l.placeholder&&(l.selectionAdapter=e.Decorate(l.selectionAdapter,d))),l},l.prototype.reset=function(){this.defaults={}};var m=new l;return m}),define("select2/options",["./defaults"],function(a){function b(b){this.options=a.apply(b)}return b.prototype.fromElement=function(){return this},b.prototype.get=function(a){return this.options[a]},b.prototype.set=function(a,b){this.options[a]=b},b}),define("select2/core",["jquery","./options","./utils"],function(a,b,c){var d=function(a,e){this.$element=a,this.id=null!=a.attr("id")?a.attr("id"):null!=a.attr("name")?a.attr("name")+"-"+c.generateChars(2):c.generateChars(4),this.id="select2-"+this.id,e=e||{},e.multiple=e.multiple||a.prop("multiple"),this.options=new b(e),d.__super__.constructor.call(this);var f=this.options.get("dataAdapter");this.data=new f(a,this.options);var g=this.render();this.$container=g,g.insertAfter(this.$element),g.width(a.outerWidth(!1));var h=this.options.get("selectionAdapter");this.selection=new h(a,this.options);var i=g.find(".selection"),j=this.selection.render();i.append(j);var k=this.options.get("dropdownAdapter");this.dropdown=new k(a,this.options);var l=g.find(".dropdown-wrapper"),m=this.dropdown.render();l.append(m);var n=this.options.get("resultsAdapter");this.results=new n(a,this.options,this.data);var o=m.find(".results"),p=this.results.render();o.append(p);var q=this;this.data.bind(this,g),this.selection.bind(this,g),this.dropdown.bind(this,g),this.results.bind(this,g),this.$element.on("change",function(){q.data.current(function(a){q.trigger("selection:update",{data:a})})}),this.selection.on("open",function(){q.trigger("open")}),this.selection.on("close",function(){q.trigger("close")}),this.selection.on("toggle",function(){q.toggleDropdown()}),this.selection.on("results:select",function(){q.trigger("results:select")}),this.selection.on("results:previous",function(){q.trigger("results:previous")}),this.selection.on("results:next",function(){q.trigger("results:next")}),this.selection.on("unselected",function(a){q.trigger("unselect",a),q.trigger("close")}),this.results.on("selected",function(a){q.trigger("select",a),q.trigger("close")}),this.results.on("unselected",function(a){q.trigger("unselect",a),q.trigger("close")}),this.results.on("results:focus",function(a){q.trigger("results:focus",a)}),this.on("open",function(){g.addClass("open")}),this.on("close",function(){g.removeClass("open")}),this.data.current(function(a){q.trigger("selection:update",{data:a})}),this.on("query",function(a){this.data.query(a,function(b){q.trigger("results:all",{data:b,query:a})})}),this.trigger("query",{}),a.hide(),a.attr("tabindex","-1")};return c.Extend(d,c.Observable),d.prototype.toggleDropdown=function(){this.trigger(this.isOpen()?"close":"open")},d.prototype.isOpen=function(){return this.$container.hasClass("open")},d.prototype.render=function(){var b=a('<span class="select2 select2-container select2-theme-default"><span class="selection"></span><span class="dropdown-wrapper" aria-hidden="true"></span></span>');return b},d}),define("jquery.select2",["jquery","select2/core"],function(a,b){return null==a.fn.select2&&(a.fn.select2=function(c){if(c=c||{},"object"==typeof c)this.each(function(){new b(a(this),c)});else{if("string"!=typeof c)throw new Error("Invalid arguments for Select2: "+c);var d=this.data("select2");d[c](arguments.slice(1))}}),b}),require("jquery.select2");
\ No newline at end of file
diff --git a/dist/js/select2.js b/dist/js/select2.js
index b0dc0dd9..7c056630 100644
--- a/dist/js/select2.js
+++ b/dist/js/select2.js
@@ -1308,6 +1308,16 @@ define('select2/data/select',[
   SelectAdapter.prototype.select = function (data) {
     var self = this;
 
+    // Create items marked as tags
+    if (data._tag === true) {
+      // Clear the tag flag from it
+      delete data._tag;
+
+      // Create and add the option
+      var $option = this.option(data);
+      this.$element.append($option);
+    }
+
     if (this.$element.prop('multiple')) {
       this.current(function (currentData) {
         var val = [];
@@ -1330,6 +1340,7 @@ define('select2/data/select',[
       var val = data.id;
 
       this.$element.val(val);
+
       this.$element.trigger('change');
     }
   };
@@ -1353,6 +1364,7 @@ define('select2/data/select',[
       }
 
       self.$element.val(val);
+
       self.$element.trigger('change');
     });
   };
@@ -1396,6 +1408,25 @@ define('select2/data/select',[
     callback(data);
   };
 
+  SelectAdapter.prototype.option = function (data) {
+    var $option = $('<option></option>');
+
+    $option.text(data.text);
+    $option.val(data.id);
+    $option.prop('disabled', data.disabled || false);
+
+    // Get any automatically generated data values
+    var detectedData = this.item($option);
+
+    // Merge it with the already present data
+    var combinedData = $.extend({}, data, detectedData);
+
+    // Override the option's data with the combined data
+    $option.data('data', combinedData);
+
+    return $option;
+  };
+
   SelectAdapter.prototype.item = function ($option) {
     var data = $option.data('data');
 
@@ -1503,25 +1534,6 @@ define('select2/data/array',[
     ArrayAdapter.__super__.select.call(this, data);
   };
 
-  ArrayAdapter.prototype.option = function (data) {
-    var $option = $('<option></option>');
-
-    $option.text(data.text);
-    $option.val(data.id);
-    $option.prop('disabled', data.disabled || false);
-
-    // Get any automatically generated data values
-    var detectedData = this.item($option);
-
-    // Merge it with the already present data
-    var combinedData = $.extend({}, data, detectedData);
-
-    // Override the option's data with the combined data
-    $option.data('data', combinedData);
-
-    return $option;
-  };
-
   ArrayAdapter.prototype.query = function (params, callback) {
     var matches = [];
     var self = this;
@@ -1586,6 +1598,69 @@ define('select2/data/ajax',[
   return AjaxAdapter;
 });
 
+define('select2/data/tags',[
+
+], function () {
+  function Tags (decorated, $element, options) {
+    var tags = options.get('tags');
+
+    decorated.call(this, $element, options);
+  }
+
+  Tags.prototype.query = function (decorated, params, callback) {
+    var self = this;
+
+    if (params.term == null || params.term === '' || params.page != null) {
+      decorated.call(this, params, callback);
+      return;
+    }
+
+    function wrapper (data, child) {
+      for (var i = 0; i < data.length; i++) {
+        var option = data[i];
+
+        var checkChildren = (
+          option.children != null && !wrapper(option.children, true)
+        );
+
+        var checkText = option.text === params.term;
+
+        if (checkText || checkChildren) {
+          if (child) {
+            return false;
+          }
+
+          callback(data);
+
+          return;
+        }
+      }
+
+      if (child) {
+        return true;
+      }
+
+      var tag = self.createTag(params);
+      tag._tag = true;
+
+      data.unshift(tag);
+
+      callback(data);
+    }
+
+    decorated.call(this, params, wrapper);
+  };
+
+  Tags.prototype.createTag = function (decorated, params) {
+    return {
+      id: params.term,
+      text: params.term
+    };
+  };
+
+  return Tags;
+});
+
 define('select2/dropdown',[
   './utils'
 ], function (Utils) {
@@ -1685,13 +1760,14 @@ define('select2/defaults',[
   './data/select',
   './data/array',
   './data/ajax',
+  './data/tags',
 
   './dropdown',
   './dropdown/search'
 ], function (ResultsList,
              SingleSelection, MultipleSelection, Placeholder,
              Utils,
-             SelectData, ArrayData, AjaxData,
+             SelectData, ArrayData, AjaxData, Tags,
              Dropdown, Search) {
   function Defaults () {
     this.reset();
@@ -1710,6 +1786,10 @@ define('select2/defaults',[
       }
     }
 
+    if (options.tags != null) {
+      options.dataAdapter = Utils.Decorate(options.dataAdapter, Tags);
+    }
+
     if (options.resultsAdapter == null) {
       options.resultsAdapter = ResultsList;
     }
diff --git a/dist/js/select2.min.js b/dist/js/select2.min.js
index 577936a2..1cdb5502 100644
--- a/dist/js/select2.min.js
+++ b/dist/js/select2.min.js
@@ -1 +1 @@
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b=this;this.container=a,a.on("select",function(a){b.select(a.data)}),a.on("unselect",function(a){b.unselect(a.data)})},d.prototype.query=function(a,b){var d=[],e=this,f=this.$element.children();f.each(function(){var b=c(this);if(b.is("option")||b.is("optgroup")){var f=e.item(b),g=e.matches(a,f);null!==g&&d.push(g)}}),b(d)},d.prototype.item=function(a){var b=a.data("data");if(null==b){if(a.is("option"))b={id:a.val(),text:a.html(),disabled:a.prop("disabled")};else if(a.is("optgroup")){b={text:a.attr("label"),children:[]};for(var d=a.children("option"),e=[],f=0;f<d.length;f++){var g=c(d[f]),h=this.item(g);e.push(h)}b.children=e}b.id&&null!=this.container&&(b._resultId=this.generateResultId(this.container,b)),a.data("data",b)}return b},d.prototype.matches=function(a,b){var d=c.extend(!0,{},b);if(b.children){for(var e=b.children.length-1;e>=0;e--){var f=b.children[e],g=this.matches(a,f);null===g&&d.children.splice(e,1)}if(d.children.length>0)return d}return""===c.trim(a.term)?d:b.text.toUpperCase().indexOf(a.term.toUpperCase())>-1?d:null},d}),define("select2/data/array",["./select","../utils","jquery"],function(a,b,c){function d(a,b){this.data=b.get("data"),d.__super__.constructor.call(this,a,b)}return b.Extend(d,a),d.prototype.select=function(a){var b=this;this.$element.find("option").each(function(){var d=c(this),e=b.item(d);e.id==a.id.toString()&&d.remove()});var e=this.option(a);this.$element.append(e),d.__super__.select.call(this,a)},d.prototype.option=function(a){var b=c("<option></option>");b.text(a.text),b.val(a.id),b.prop("disabled",a.disabled||!1);var d=this.item(b),e=c.extend({},a,d);return b.data("data",e),b},d.prototype.query=function(a,b){var d=[],e=this;c.each(this.data,function(){var b=this;e.matches(a,b)&&d.push(b)}),b(d)},d}),define("select2/data/ajax",["./array","../utils","jquery"],function(a,b,c){function d(b,c){this.ajaxOptions=c.get("ajax"),this.processResults=this.ajaxOptions.processResults||function(a){return a},a.__super__.constructor.call(this,b,c)}return b.Extend(d,a),d.prototype.query=function(a,b){var d=this,e=c.extend({type:"GET"},this.ajaxOptions);"function"==typeof e.url&&(e.url=e.url(a)),"function"==typeof e.data&&(e.data=e.data(a));var f=c.ajax(e);f.success(function(a){var c=d.processResults(a);b(c)})},d}),define("select2/dropdown",["./utils"],function(a){function b(a){this.$element=a}return a.Extend(b,a.Observable),b.prototype.render=function(){var a=$('<span class="dropdown"><span class="results"></span></span>');return a},b.prototype.bind=function(){},b}),define("select2/dropdown/search",[],function(){function a(){}return a.prototype.render=function(a){var b=a.call(this),c=$('<span class="search"><input type="search" name="search" tabindex="-1" role="textbox" /></span>');return this.$searchContainer=c,this.$search=c.find("input"),b.prepend(c),b},a.prototype.bind=function(a,b,c){var d=this;a.call(this,b,c),this.$search.on("keyup",function(){b.trigger("query",{term:$(this).val()})}),b.on("open",function(){d.$search.attr("tabindex",0)}),b.on("close",function(){d.$search.attr("tabindex",-1)}),b.on("results:all",function(a){if(null==a.query.term||""===a.query.term){var b=d.showSearch(a);b?d.$searchContainer.show():d.$searchContainer.hide()}})},a.prototype.showSearch=function(){return!0},a}),define("select2/defaults",["./results","./selection/single","./selection/multiple","./selection/placeholder","./utils","./data/select","./data/array","./data/ajax","./dropdown","./dropdown/search"],function(a,b,c,d,e,f,g,h,i,j){function k(){this.reset()}k.prototype.apply=function(k){if(k=$.extend({},k,this.defaults),null==k.dataAdapter&&(k.dataAdapter=k.ajax?h:k.data?g:f),null==k.resultsAdapter&&(k.resultsAdapter=a),null==k.dropdownAdapter){var l=e.Decorate(i,j);k.dropdownAdapter=l}return null==k.selectionAdapter&&(k.selectionAdapter=k.multiple?c:b,null!=k.placeholder&&(k.selectionAdapter=e.Decorate(k.selectionAdapter,d))),k},k.prototype.reset=function(){this.defaults={}};var l=new k;return l}),define("select2/options",["./defaults"],function(a){function b(b){this.options=a.apply(b)}return b.prototype.fromElement=function(){return this},b.prototype.get=function(a){return this.options[a]},b.prototype.set=function(a,b){this.options[a]=b},b}),define("select2/core",["jquery","./options","./utils"],function(a,b,c){var d=function(a,e){this.$element=a,this.id=null!=a.attr("id")?a.attr("id"):null!=a.attr("name")?a.attr("name")+"-"+c.generateChars(2):c.generateChars(4),this.id="select2-"+this.id,e=e||{},e.multiple=e.multiple||a.prop("multiple"),this.options=new b(e),d.__super__.constructor.call(this);var f=this.options.get("dataAdapter");this.data=new f(a,this.options);var g=this.render();this.$container=g,g.insertAfter(this.$element),g.width(a.outerWidth(!1));var h=this.options.get("selectionAdapter");this.selection=new h(a,this.options);var i=g.find(".selection"),j=this.selection.render();i.append(j);var k=this.options.get("dropdownAdapter");this.dropdown=new k(a,this.options);var l=g.find(".dropdown-wrapper"),m=this.dropdown.render();l.append(m);var n=this.options.get("resultsAdapter");this.results=new n(a,this.options,this.data);var o=m.find(".results"),p=this.results.render();o.append(p);var q=this;this.data.bind(this,g),this.selection.bind(this,g),this.dropdown.bind(this,g),this.results.bind(this,g),this.$element.on("change",function(){q.data.current(function(a){q.trigger("selection:update",{data:a})})}),this.selection.on("open",function(){q.trigger("open")}),this.selection.on("close",function(){q.trigger("close")}),this.selection.on("toggle",function(){q.toggleDropdown()}),this.selection.on("results:select",function(){q.trigger("results:select")}),this.selection.on("results:previous",function(){q.trigger("results:previous")}),this.selection.on("results:next",function(){q.trigger("results:next")}),this.selection.on("unselected",function(a){q.trigger("unselect",a),q.trigger("close")}),this.results.on("selected",function(a){q.trigger("select",a),q.trigger("close")}),this.results.on("unselected",function(a){q.trigger("unselect",a),q.trigger("close")}),this.results.on("results:focus",function(a){q.trigger("results:focus",a)}),this.on("open",function(){g.addClass("open")}),this.on("close",function(){g.removeClass("open")}),this.data.current(function(a){q.trigger("selection:update",{data:a})}),this.on("query",function(a){this.data.query(a,function(b){q.trigger("results:all",{data:b,query:a})})}),this.trigger("query",{}),a.hide(),a.attr("tabindex","-1")};return c.Extend(d,c.Observable),d.prototype.toggleDropdown=function(){this.trigger(this.isOpen()?"close":"open")},d.prototype.isOpen=function(){return this.$container.hasClass("open")},d.prototype.render=function(){var b=a('<span class="select2 select2-container select2-theme-default"><span class="selection"></span><span class="dropdown-wrapper" aria-hidden="true"></span></span>');return b},d}),define("jquery.select2",["jquery","select2/core"],function(a,b){return null==a.fn.select2&&(a.fn.select2=function(c){if(c=c||{},"object"==typeof c)this.each(function(){new b(a(this),c)});else{if("string"!=typeof c)throw new Error("Invalid arguments for Select2: "+c);var d=this.data("select2");d[c](arguments.slice(1))}}),b}),require("jquery.select2");
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b={};b.Extend=function(a,b){function c(){this.constructor=a}var d={}.hasOwnProperty;for(var e in b)d.call(b,e)&&(a[e]=b[e]);return c.prototype=b.prototype,a.prototype=new c,a.__super__=b.prototype,a},b.Decorate=function(b,c){function d(){var a=Array.prototype.unshift,d=c.prototype.constructor.length,e=b.prototype.constructor;d>0&&(a.call(arguments,b.prototype.constructor),e=c.prototype.constructor),e.apply(this,arguments)}function e(){this.constructor=d}var f=a(c),g=a(b);c.displayName=b.displayName,d.prototype=new e;for(var h=0;h<g.length;h++){var i=g[h];d.prototype[i]=b.prototype[i]}for(var j=(function(a){var b=function(){};a in d.prototype&&(b=d.prototype[a]);var e=c.prototype[a];return function(){var a=Array.prototype.unshift;return a.call(arguments,b),e.apply(this,arguments)}}),k=0;k<f.length;k++){var l=f[k];d.prototype[l]=j(l)}return d};var c=function(){this.listeners={}};return c.prototype.on=function(a,b){a in this.listeners?this.listeners[a].push(b):this.listeners[a]=[b]},c.prototype.trigger=function(a){var b=Array.prototype.slice;a in this.listeners&&this.invoke(this.listeners[a],b.call(arguments,1)),"*"in this.listeners&&this.invoke(this.listeners["*"],arguments)},c.prototype.invoke=function(a,b){for(var c=0,d=a.length;d>c;c++)a[c].apply(this,b)},b.Observable=c,b.generateChars=function(a){for(var b="",c=0;a>c;c++){var d=Math.floor(36*Math.random());b+=d.toString(36)}return b},b}),define("select2/results",["./utils"],function(a){function b(a,c,d){this.$element=a,this.data=d,this.options=c,b.__super__.constructor.call(this)}return a.Extend(b,a.Observable),b.prototype.render=function(){var a=$('<ul class="options" role="tree"></ul>');return this.options.get("multiple")&&a.attr("aria-multiselectable","true"),this.$results=a,a},b.prototype.clear=function(){this.$results.empty()},b.prototype.append=function(a){var b=[];a=this.sort(a);for(var c=0;c<a.length;c++){var d=a[c],e=this.option(d);b.push(e)}this.$results.append(b)},b.prototype.sort=function(a){return a},b.prototype.setClasses=function(){var a=this;this.data.current(function(b){var c=$.map(b,function(a){return a.id.toString()}),d=a.$results.find(".option[aria-selected]");d.each(function(){var a=$(this),b=a.data("data");null!=b.id&&c.indexOf(b.id.toString())>-1?a.attr("aria-selected","true"):a.attr("aria-selected","false")});var e=d.filter("[aria-selected=true]");e.length>0?e.first().trigger("mouseenter"):d.first().trigger("mouseenter")})},b.prototype.option=function(a){var b=$('<li class="option" role="treeitem" aria-selected="false"></li>');if(a.children){b.attr("role","group").attr("aria-label",a.text).removeAttr("aria-selected");var c=$('<strong class="group-label"></strong>');c.html(a.text);for(var d=[],e=0;e<a.children.length;e++){var f=a.children[e],g=this.option(f);d.push(g)}var h=$('<ul class="options nested-options"></ul>');h.append(d),b.append(c),b.append(h)}else b.html(a.text);return a.disabled&&b.removeAttr("aria-selected").attr("aria-disabled","true"),null==a.id&&b.removeAttr("aria-selected"),null!=a._resultId&&b.attr("id",a._resultId),b.data("data",a),b},b.prototype.bind=function(a){var b=this,c=a.id+"-results";this.$results.attr("id",c),a.on("results:all",function(c){b.clear(),b.append(c.data),a.isOpen()&&b.setClasses()}),a.on("results:append",function(c){b.append(c.data),a.isOpen()&&b.setClasses()}),a.on("select",function(){a.isOpen()&&b.setClasses()}),a.on("unselect",function(){a.isOpen()&&b.setClasses()}),a.on("open",function(){b.$results.attr("aria-expanded","true"),b.$results.attr("aria-hidden","false"),b.setClasses()}),a.on("close",function(){b.$results.attr("aria-expanded","false"),b.$results.attr("aria-hidden","true"),b.$results.removeAttr("aria-activedescendant")}),a.on("results:select",function(){var a=b.$results.find(".highlighted");if(0!==a.length){var c=a.data("data");"true"==a.attr("aria-selected")?b.trigger("unselected",{data:c}):b.trigger("selected",{data:c})}}),a.on("results:previous",function(){var a=b.$results.find(".highlighted"),c=b.$results.find("[aria-selected]"),d=c.index(a);if(0!==d){var e=d-1;0===a.length&&(e=0);var f=c.eq(e);f.trigger("mouseenter");var g=b.$results.offset().top,h=f.offset().top,i=b.$results.scrollTop()+(h-g);0===e?b.$results.scrollTop(0):0>h-g&&b.$results.scrollTop(i)}}),a.on("results:next",function(){var a=b.$results.find(".highlighted"),c=b.$results.find("[aria-selected]"),d=c.index(a),e=d+1;if(!(e>=c.length)){var f=c.eq(e);f.trigger("mouseenter");var g=b.$results.offset().top+b.$results.outerHeight(!1),h=f.offset().top+f.outerHeight(!1),i=b.$results.scrollTop()+h-g;0===e?b.$results.scrollTop(0):h>g&&b.$results.scrollTop(i)}}),a.on("results:focus",function(a){a.element.addClass("highlighted")}),this.$results.on("mouseup",".option[aria-selected]",function(a){var c=$(this),d=c.data("data");return"true"===c.attr("aria-selected")?void b.trigger("unselected",{originalEvent:a,data:d}):void b.trigger("selected",{originalEvent:a,data:d})}),this.$results.on("mouseenter",".option[aria-selected]",function(){var a=$(this).data("data");b.$results.find(".option.highlighted").removeClass("highlighted"),b.trigger("results:focus",{data:a,element:$(this)})}),this.$results.on("mouseleave",".option",function(){$(this).hasClass("highlighted")&&($(this).removeClass("highlighted"),b.$results.removeAttr("aria-activedescendant"))})},b}),define("select2/selection/base",["../utils"],function(a){function b(a,c){this.$element=a,this.options=c,b.__super__.constructor.call(this)}return a.Extend(b,a.Observable),b.prototype.render=function(){throw new Error("The `render` method must be defined in child classes.")},b.prototype.bind=function(a){var b=this;a.on("selection:update",function(a){b.update(a.data)})},b.prototype.update=function(){throw new Error("The `update` method 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e=a.id+"-container",f=a.id+"-results";this.$selection.find(".rendered-selection").attr("id",e),this.$selection.attr("aria-labelledby",e),this.$selection.attr("aria-owns",f),this.$selection.on("mousedown",function(a){1===a.which&&b.trigger("toggle",{originalEvent:a})}),a.on("open",function(){b.$selection.attr("aria-expanded","true")}),a.on("close",function(){b.$selection.attr("aria-expanded","false"),b.$selection.removeAttr("aria-activedescendant")}),this.$selection.on("focus",function(){}),this.$selection.on("blur",function(){}),this.$selection.on("keydown",function(d){var 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a(a,b,c){this.placeholder=this.normalizePlaceholder(c.get("placeholder")),a.call(this,b,c)}return a.prototype.normalizePlaceholder=function(a,b){return"string"==typeof b&&(b={id:"",text:b}),b},a.prototype.update=function(a,b){var c=1==b.length&&b[0].id!=this.placeholder.id,d=b.length>1;if(d||c)return a.call(this,b);this.clear();var e=this.selectionContainer();e.html(this.display(this.placeholder)),e.addClass("placeholder").removeClass("choice"),this.$selection.find(".rendered-selection").append(e)},a}),define("select2/data/base",["../utils"],function(a){function b(){b.__super__.constructor.call(this)}return a.Extend(b,a.Observable),b.prototype.current=function(){throw new Error("The `current` method must be defined in child classes.")},b.prototype.query=function(){throw new Error("The `query` method must be defined in child classes.")},b.prototype.bind=function(){},b.prototype.generateResultId=function(b,c){var d=b.id+"-result-";return d+=a.generateChars(4),d+=null!=c.id?"-"+c.id.toString():"-"+a.generateChars(4)},b}),define("select2/data/select",["./base","../utils","jquery"],function(a,b,c){function d(a){this.$element=a,d.__super__.constructor.call(this)}return b.Extend(d,a),d.prototype.current=function(a){var b=[],d=this;this.$element.find(":selected").each(function(){var a=c(this),e=d.item(a);b.push(e)}),a(b)},d.prototype.select=function(a){var b=this;if(a._tag===!0){delete a._tag;var c=this.option(a);this.$element.append(c)}if(this.$element.prop("multiple"))this.current(function(c){var d=[];a=[a],a.push.apply(a,c);for(var e=0;e<a.length;e++)id=a[e].id,-1===d.indexOf(id)&&d.push(id);b.$element.val(d),b.$element.trigger("change")});else{var d=a.id;this.$element.val(d),this.$element.trigger("change")}},d.prototype.unselect=function(a){var b=this;this.$element.prop("multiple")&&this.current(function(c){for(var d=[],e=0;e<c.length;e++)id=c[e].id,id!==a.id&&-1===d.indexOf(id)&&d.push(id);b.$element.val(d),b.$element.trigger("change")})},d.prototype.bind=function(a){var b=this;this.container=a,a.on("select",function(a){b.select(a.data)}),a.on("unselect",function(a){b.unselect(a.data)})},d.prototype.query=function(a,b){var d=[],e=this,f=this.$element.children();f.each(function(){var b=c(this);if(b.is("option")||b.is("optgroup")){var f=e.item(b),g=e.matches(a,f);null!==g&&d.push(g)}}),b(d)},d.prototype.option=function(a){var b=c("<option></option>");b.text(a.text),b.val(a.id),b.prop("disabled",a.disabled||!1);var d=this.item(b),e=c.extend({},a,d);return b.data("data",e),b},d.prototype.item=function(a){var b=a.data("data");if(null==b){if(a.is("option"))b={id:a.val(),text:a.html(),disabled:a.prop("disabled")};else if(a.is("optgroup")){b={text:a.attr("label"),children:[]};for(var d=a.children("option"),e=[],f=0;f<d.length;f++){var g=c(d[f]),h=this.item(g);e.push(h)}b.children=e}b.id&&null!=this.container&&(b._resultId=this.generateResultId(this.container,b)),a.data("data",b)}return b},d.prototype.matches=function(a,b){var d=c.extend(!0,{},b);if(b.children){for(var e=b.children.length-1;e>=0;e--){var f=b.children[e],g=this.matches(a,f);null===g&&d.children.splice(e,1)}if(d.children.length>0)return d}return""===c.trim(a.term)?d:b.text.toUpperCase().indexOf(a.term.toUpperCase())>-1?d:null},d}),define("select2/data/array",["./select","../utils","jquery"],function(a,b,c){function d(a,b){this.data=b.get("data"),d.__super__.constructor.call(this,a,b)}return b.Extend(d,a),d.prototype.select=function(a){var b=this;this.$element.find("option").each(function(){var d=c(this),e=b.item(d);e.id==a.id.toString()&&d.remove()});var e=this.option(a);this.$element.append(e),d.__super__.select.call(this,a)},d.prototype.query=function(a,b){var d=[],e=this;c.each(this.data,function(){var b=this;e.matches(a,b)&&d.push(b)}),b(d)},d}),define("select2/data/ajax",["./array","../utils","jquery"],function(a,b,c){function d(b,c){this.ajaxOptions=c.get("ajax"),this.processResults=this.ajaxOptions.processResults||function(a){return a},a.__super__.constructor.call(this,b,c)}return b.Extend(d,a),d.prototype.query=function(a,b){var d=this,e=c.extend({type:"GET"},this.ajaxOptions);"function"==typeof e.url&&(e.url=e.url(a)),"function"==typeof e.data&&(e.data=e.data(a));var f=c.ajax(e);f.success(function(a){var c=d.processResults(a);b(c)})},d}),define("select2/data/tags",[],function(){function a(a,b,c){c.get("tags");a.call(this,b,c)}return a.prototype.query=function(a,b,c){function d(a,f){for(var g=0;g<a.length;g++){var h=a[g],i=null!=h.children&&!d(h.children,!0),j=h.text===b.term;if(j||i)return f?!1:void c(a)}if(f)return!0;var k=e.createTag(b);k._tag=!0,a.unshift(k),c(a)}var e=this;return null==b.term||""===b.term||null!=b.page?void a.call(this,b,c):void a.call(this,b,d)},a.prototype.createTag=function(a,b){return{id:b.term,text:b.term}},a}),define("select2/dropdown",["./utils"],function(a){function b(a){this.$element=a}return a.Extend(b,a.Observable),b.prototype.render=function(){var a=$('<span class="dropdown"><span class="results"></span></span>');return a},b.prototype.bind=function(){},b}),define("select2/dropdown/search",[],function(){function a(){}return a.prototype.render=function(a){var b=a.call(this),c=$('<span class="search"><input type="search" name="search" tabindex="-1" role="textbox" /></span>');return this.$searchContainer=c,this.$search=c.find("input"),b.prepend(c),b},a.prototype.bind=function(a,b,c){var d=this;a.call(this,b,c),this.$search.on("keyup",function(){b.trigger("query",{term:$(this).val()})}),b.on("open",function(){d.$search.attr("tabindex",0)}),b.on("close",function(){d.$search.attr("tabindex",-1)}),b.on("results:all",function(a){if(null==a.query.term||""===a.query.term){var b=d.showSearch(a);b?d.$searchContainer.show():d.$searchContainer.hide()}})},a.prototype.showSearch=function(){return!0},a}),define("select2/defaults",["./results","./selection/single","./selection/multiple","./selection/placeholder","./utils","./data/select","./data/array","./data/ajax","./data/tags","./dropdown","./dropdown/search"],function(a,b,c,d,e,f,g,h,i,j,k){function l(){this.reset()}l.prototype.apply=function(l){if(l=$.extend({},l,this.defaults),null==l.dataAdapter&&(l.dataAdapter=l.ajax?h:l.data?g:f),null!=l.tags&&(l.dataAdapter=e.Decorate(l.dataAdapter,i)),null==l.resultsAdapter&&(l.resultsAdapter=a),null==l.dropdownAdapter){var m=e.Decorate(j,k);l.dropdownAdapter=m}return null==l.selectionAdapter&&(l.selectionAdapter=l.multiple?c:b,null!=l.placeholder&&(l.selectionAdapter=e.Decorate(l.selectionAdapter,d))),l},l.prototype.reset=function(){this.defaults={}};var m=new l;return m}),define("select2/options",["./defaults"],function(a){function b(b){this.options=a.apply(b)}return b.prototype.fromElement=function(){return this},b.prototype.get=function(a){return this.options[a]},b.prototype.set=function(a,b){this.options[a]=b},b}),define("select2/core",["jquery","./options","./utils"],function(a,b,c){var d=function(a,e){this.$element=a,this.id=null!=a.attr("id")?a.attr("id"):null!=a.attr("name")?a.attr("name")+"-"+c.generateChars(2):c.generateChars(4),this.id="select2-"+this.id,e=e||{},e.multiple=e.multiple||a.prop("multiple"),this.options=new b(e),d.__super__.constructor.call(this);var f=this.options.get("dataAdapter");this.data=new f(a,this.options);var g=this.render();this.$container=g,g.insertAfter(this.$element),g.width(a.outerWidth(!1));var h=this.options.get("selectionAdapter");this.selection=new h(a,this.options);var i=g.find(".selection"),j=this.selection.render();i.append(j);var k=this.options.get("dropdownAdapter");this.dropdown=new k(a,this.options);var l=g.find(".dropdown-wrapper"),m=this.dropdown.render();l.append(m);var n=this.options.get("resultsAdapter");this.results=new n(a,this.options,this.data);var o=m.find(".results"),p=this.results.render();o.append(p);var q=this;this.data.bind(this,g),this.selection.bind(this,g),this.dropdown.bind(this,g),this.results.bind(this,g),this.$element.on("change",function(){q.data.current(function(a){q.trigger("selection:update",{data:a})})}),this.selection.on("open",function(){q.trigger("open")}),this.selection.on("close",function(){q.trigger("close")}),this.selection.on("toggle",function(){q.toggleDropdown()}),this.selection.on("results:select",function(){q.trigger("results:select")}),this.selection.on("results:previous",function(){q.trigger("results:previous")}),this.selection.on("results:next",function(){q.trigger("results:next")}),this.selection.on("unselected",function(a){q.trigger("unselect",a),q.trigger("close")}),this.results.on("selected",function(a){q.trigger("select",a),q.trigger("close")}),this.results.on("unselected",function(a){q.trigger("unselect",a),q.trigger("close")}),this.results.on("results:focus",function(a){q.trigger("results:focus",a)}),this.on("open",function(){g.addClass("open")}),this.on("close",function(){g.removeClass("open")}),this.data.current(function(a){q.trigger("selection:update",{data:a})}),this.on("query",function(a){this.data.query(a,function(b){q.trigger("results:all",{data:b,query:a})})}),this.trigger("query",{}),a.hide(),a.attr("tabindex","-1")};return c.Extend(d,c.Observable),d.prototype.toggleDropdown=function(){this.trigger(this.isOpen()?"close":"open")},d.prototype.isOpen=function(){return this.$container.hasClass("open")},d.prototype.render=function(){var b=a('<span class="select2 select2-container select2-theme-default"><span class="selection"></span><span class="dropdown-wrapper" aria-hidden="true"></span></span>');return b},d}),define("jquery.select2",["jquery","select2/core"],function(a,b){return null==a.fn.select2&&(a.fn.select2=function(c){if(c=c||{},"object"==typeof c)this.each(function(){new b(a(this),c)});else{if("string"!=typeof c)throw new Error("Invalid arguments for Select2: "+c);var d=this.data("select2");d[c](arguments.slice(1))}}),b}),require("jquery.select2");
\ No newline at end of file
diff --git a/docs/examples.html b/docs/examples.html
index c3eb329e..93be1ff1 100644
--- a/docs/examples.html
+++ b/docs/examples.html
@@ -211,6 +211,33 @@ $(".js-example-data-array-selected").select2({
 
 <script type="text/x-example-code" class="js-code-data-disabled">
 
+</script>
+    </div>
+  </section>
+
+  <section id="tagss" class="row">
+    <div class="col-md-4">
+      <h1>Tagging support</h1>
+
+      <p>
+        Select2 can be used to quickly set up fields used for tagging.
+      </p>
+
+      <p>
+        <select class="js-example-tags form-control">
+          <option value="one">First</option>
+          <option value="other">Other</option>
+        </select>
+      </p>
+
+    </div>
+    <div class="col-md-8">
+      <h2>Example code</h2>
+
+      <pre data-fill-from=".js-code-disabled-results"></pre>
+
+<script type="text/x-example-code" class="js-code-data-disabled">
+
 </script>
     </div>
   </section>
@@ -309,6 +336,8 @@ require(["select2/core", "select2/utils"], function (Select2, Utils) {
 
   var $disabledResults = $(".js-example-disabled-results");
 
+  var $tags = $(".js-example-tags");
+
   $basicSingle.select2();
   $basicMultiple.select2()
 
@@ -329,5 +358,9 @@ require(["select2/core", "select2/utils"], function (Select2, Utils) {
   });
 
   $disabledResults.select2();
+
+  $tags.select2({
+    tags: true
+  });
 });
 </script>
diff --git a/src/js/select2/data/array.js b/src/js/select2/data/array.js
index 722229d7..79afb0fb 100644
--- a/src/js/select2/data/array.js
+++ b/src/js/select2/data/array.js
@@ -30,25 +30,6 @@ define([
     ArrayAdapter.__super__.select.call(this, data);
   };
 
-  ArrayAdapter.prototype.option = function (data) {
-    var $option = $('<option></option>');
-
-    $option.text(data.text);
-    $option.val(data.id);
-    $option.prop('disabled', data.disabled || false);
-
-    // Get any automatically generated data values
-    var detectedData = this.item($option);
-
-    // Merge it with the already present data
-    var combinedData = $.extend({}, data, detectedData);
-
-    // Override the option's data with the combined data
-    $option.data('data', combinedData);
-
-    return $option;
-  };
-
   ArrayAdapter.prototype.query = function (params, callback) {
     var matches = [];
     var self = this;
diff --git a/src/js/select2/data/select.js b/src/js/select2/data/select.js
index aa3fba08..e0f33179 100644
--- a/src/js/select2/data/select.js
+++ b/src/js/select2/data/select.js
@@ -29,6 +29,16 @@ define([
   SelectAdapter.prototype.select = function (data) {
     var self = this;
 
+    // Create items marked as tags
+    if (data._tag === true) {
+      // Clear the tag flag from it
+      delete data._tag;
+
+      // Create and add the option
+      var $option = this.option(data);
+      this.$element.append($option);
+    }
+
     if (this.$element.prop('multiple')) {
       this.current(function (currentData) {
         var val = [];
@@ -51,6 +61,7 @@ define([
       var val = data.id;
 
       this.$element.val(val);
+
       this.$element.trigger('change');
     }
   };
@@ -74,6 +85,7 @@ define([
       }
 
       self.$element.val(val);
+
       self.$element.trigger('change');
     });
   };
@@ -117,6 +129,25 @@ define([
     callback(data);
   };
 
+  SelectAdapter.prototype.option = function (data) {
+    var $option = $('<option></option>');
+
+    $option.text(data.text);
+    $option.val(data.id);
+    $option.prop('disabled', data.disabled || false);
+
+    // Get any automatically generated data values
+    var detectedData = this.item($option);
+
+    // Merge it with the already present data
+    var combinedData = $.extend({}, data, detectedData);
+
+    // Override the option's data with the combined data
+    $option.data('data', combinedData);
+
+    return $option;
+  };
+
   SelectAdapter.prototype.item = function ($option) {
     var data = $option.data('data');
 
diff --git a/src/js/select2/data/tags.js b/src/js/select2/data/tags.js
new file mode 100644
index 00000000..43613494
--- /dev/null
+++ b/src/js/select2/data/tags.js
@@ -0,0 +1,62 @@
+define([
+
+], function () {
+  function Tags (decorated, $element, options) {
+    var tags = options.get('tags');
+
+    decorated.call(this, $element, options);
+  }
+
+  Tags.prototype.query = function (decorated, params, callback) {
+    var self = this;
+
+    if (params.term == null || params.term === '' || params.page != null) {
+      decorated.call(this, params, callback);
+      return;
+    }
+
+    function wrapper (data, child) {
+      for (var i = 0; i < data.length; i++) {
+        var option = data[i];
+
+        var checkChildren = (
+          option.children != null && !wrapper(option.children, true)
+        );
+
+        var checkText = option.text === params.term;
+
+        if (checkText || checkChildren) {
+          if (child) {
+            return false;
+          }
+
+          callback(data);
+
+          return;
+        }
+      }
+
+      if (child) {
+        return true;
+      }
+
+      var tag = self.createTag(params);
+      tag._tag = true;
+
+      data.unshift(tag);
+
+      callback(data);
+    }
+
+    decorated.call(this, params, wrapper);
+  };
+
+  Tags.prototype.createTag = function (decorated, params) {
+    return {
+      id: params.term,
+      text: params.term
+    };
+  };
+
+  return Tags;
+});
diff --git a/src/js/select2/defaults.js b/src/js/select2/defaults.js
index 5b9d7f81..bae64ea5 100644
--- a/src/js/select2/defaults.js
+++ b/src/js/select2/defaults.js
@@ -10,13 +10,14 @@ define([
   './data/select',
   './data/array',
   './data/ajax',
+  './data/tags',
 
   './dropdown',
   './dropdown/search'
 ], function (ResultsList,
              SingleSelection, MultipleSelection, Placeholder,
              Utils,
-             SelectData, ArrayData, AjaxData,
+             SelectData, ArrayData, AjaxData, Tags,
              Dropdown, Search) {
   function Defaults () {
     this.reset();
@@ -35,6 +36,10 @@ define([
       }
     }
 
+    if (options.tags != null) {
+      options.dataAdapter = Utils.Decorate(options.dataAdapter, Tags);
+    }
+
     if (options.resultsAdapter == null) {
       options.resultsAdapter = ResultsList;
     }