updated minified version

https://github.com/xoxco/jQuery-Tags-Input/issues/28
onChange now receives the tag added or removed.

README

@@ -1,4 +1,4 @@
-jQuery Tags Input Plugin 1.2.5
+jQuery Tags Input Plugin 1.3.2
 
 Copyright (c) 2011 XOXCO, Inc
 
@@ -47,7 +47,9 @@ $('#tags').tagsInput({
   autocomplete_url:'http://myserver.com/api/autocomplete'
 });
 
-You can also send in options to the autocomplete plugin, as described here.
+If you're using the bassistance jQuery.autocomplete, which takes extra 
+parameters, you can also send in options to the autocomplete plugin, as 
+described here.
 
 $('#tags').tagsInput({    
   autocomplete_url:'http://myserver.com/api/autocomplete',
@@ -59,6 +61,18 @@ You can add and remove tags by calling the addTag() and removeTag() functions.
 $('#tags').addTag('foo');
 $('#tags').removeTag('bar');
 
+You can import a list of tags using the importTags() function...
+
+$('#tags').importTags('foo,bar,baz');
+
+You can also use importTags() to reset the tag list...
+
+$('#tags').importTags('');
+
+And you can check if a tag exists using tagExist()...
+
+if ($('#tags').tagExist('foo')) { ... }
+
 If additional functionality is required when a tag is added or removed, you may
 specify callback functions via the onAddTag and onRemoveTag parameters.  Both 
 functions should accept a single tag as the parameter.
@@ -89,6 +103,7 @@ $(selector).tagsInput({
    'onChange' : callback_function,
    'removeWithBackspace' : true,
    'minChars' : 0,
-   'maxChars' : 0 //if not provided there is no limit
+   'maxChars' : 0 //if not provided there is no limit,
+   'placeholderColor' : '#666666'
 });
 

jquery.tagsinput.css

@@ -4,3 +4,4 @@ div.tagsinput span.tag a { font-weight: bold; color: #82ad2b; text-decoration:no
 div.tagsinput input { width:80px; margin:0px; font-family: helvetica; font-size: 13px; border:1px solid transparent; padding:5px; background: transparent; color: #000; outline:0px;  margin-right:5px; margin-bottom:5px; }
 div.tagsinput div { display:block; float: left; } 
 .tags_clear { clear: both; width: 100%; height: 0px; }
+.not_valid {background: #FBD8DB !important; color: #90111A !important;}

jquery.tagsinput.js

@@ -1,6 +1,6 @@
 /*
 
-	jQuery Tags Input Plugin 1.2.5
+	jQuery Tags Input Plugin 1.3.2
 	
 	Copyright (c) 2011 XOXCO, Inc
 	
@@ -18,12 +18,66 @@
 
 	var delimiter = new Array();
 	var tags_callbacks = new Array();
+	$.fn.doAutosize = function(o){
+	    var minWidth = $(this).data('minwidth'),
+	        maxWidth = $(this).data('maxwidth'),
+	        val = '',
+	        input = $(this),
+	        testSubject = $('#'+$(this).data('tester_id'));
 	
+	    if (val === (val = input.val())) {return;}
+	
+	    // Enter new content into testSubject
+	    var escaped = val.replace(/&/g, '&amp;').replace(/\s/g,' ').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+	    testSubject.html(escaped);
+	    // Calculate new width + whether to change
+	    var testerWidth = testSubject.width(),
+	        newWidth = (testerWidth + o.comfortZone) >= minWidth ? testerWidth + o.comfortZone : minWidth,
+	        currentWidth = input.width(),
+	        isValidWidthChange = (newWidth < currentWidth && newWidth >= minWidth)
+	                             || (newWidth > minWidth && newWidth < maxWidth);
+	
+	    // Animate width
+	    if (isValidWidthChange) {
+	        input.width(newWidth);
+	    }
+
+
+  };
+  $.fn.resetAutosize = function(options){
+    // alert(JSON.stringify(options));
+    var minWidth =  $(this).data('minwidth') || options.minInputWidth || $(this).width(),
+        maxWidth = $(this).data('maxwidth') || options.maxInputWidth || ($(this).closest('.tagsinput').width() - options.inputPadding),
+        val = '',
+        input = $(this),
+        testSubject = $('<tester/>').css({
+            position: 'absolute',
+            top: -9999,
+            left: -9999,
+            width: 'auto',
+            fontSize: input.css('fontSize'),
+            fontFamily: input.css('fontFamily'),
+            fontWeight: input.css('fontWeight'),
+            letterSpacing: input.css('letterSpacing'),
+            whiteSpace: 'nowrap'
+        }),
+        testerId = $(this).attr('id')+'_autosize_tester';
+    if(! $('#'+testerId).length > 0){
+      testSubject.attr('id', testerId);
+      testSubject.appendTo('body');
+    }
+
+    input.data('minwidth', minWidth);
+    input.data('maxwidth', maxWidth);
+    input.data('tester_id', testerId);
+    input.css('width', minWidth);
+  };
+  
 	$.fn.addTag = function(value,options) {
-			var options = jQuery.extend({focus:false,callback:true},options);
+			options = jQuery.extend({focus:false,callback:true},options);
 			this.each(function() { 
-				id = $(this).attr('id');
-	
+				var id = $(this).attr('id');
+
 				var tagslist = $(this).val().split(delimiter[id]);
 				if (tagslist[0] == '') { 
 					tagslist = new Array();
@@ -32,11 +86,15 @@
 				value = jQuery.trim(value);
 		
 				if (options.unique) {
-					skipTag = $(tagslist).tagExist(value);
+					var skipTag = $(tagslist).tagExist(value);
+					if(skipTag == true) {
+					    //Marks fake input as not_valid to let styling it
+    				    $('#'+id+'_tag').addClass('not_valid');
+    				}
 				} else {
-					skipTag = false; 
+					var skipTag = false; 
 				}
-
+				
 				if (value !='' && skipTag != true) { 
                     $('<span>').addClass('tag').append(
                         $('<span>').text(value).append('&nbsp;&nbsp;'),
@@ -58,18 +116,19 @@
 						$('#'+id+'_tag').blur();
 					}
 					
+					$.fn.tagsInput.updateTagsField(this,tagslist);
+					
 					if (options.callback && tags_callbacks[id] && tags_callbacks[id]['onAddTag']) {
 						var f = tags_callbacks[id]['onAddTag'];
-						f(value);
+						f.call(this, value);
 					}
 					if(tags_callbacks[id] && tags_callbacks[id]['onChange'])
 					{
 						var i = tagslist.length;
 						var f = tags_callbacks[id]['onChange'];
-						f($(this), tagslist[i]);
+						f.call(this, $(this), tagslist[i-1]);
 					}					
 				}
-				$.fn.tagsInput.updateTagsField(this,tagslist);
 		
 			});		
 			
@@ -79,11 +138,10 @@
 	$.fn.removeTag = function(value) { 
 			value = unescape(value);
 			this.each(function() { 
-				id = $(this).attr('id');
+				var id = $(this).attr('id');
 	
 				var old = $(this).val().split(delimiter[id]);
-	
-				
+					
 				$('#'+id+'_tagsinput .tag').remove();
 				str = '';
 				for (i=0; i< old.length; i++) { 
@@ -96,7 +154,7 @@
 
 				if (tags_callbacks[id] && tags_callbacks[id]['onRemoveTag']) {
 					var f = tags_callbacks[id]['onRemoveTag'];
-					f(value);
+					f.call(this, value);
 				}
 			});
 					
@@ -104,30 +162,42 @@
 		};
 	
 	$.fn.tagExist = function(val) {
-		if (jQuery.inArray(val, $(this)) == -1) {
-		  return false; /* Cannot find value in array */
-		} else {
-		  return true; /* Value found */
-		}
+		return (jQuery.inArray(val, $(this)) >= 0); //true when tag exists, false when not
 	};
 	
 	// clear all existing tags and import new ones from a string
 	$.fn.importTags = function(str) {
+                id = $(this).attr('id');
 		$('#'+id+'_tagsinput .tag').remove();
 		$.fn.tagsInput.importTags(this,str);
 	}
 		
 	$.fn.tagsInput = function(options) { 
-		var settings = jQuery.extend({interactive:true,defaultText:'add a tag',minChars:0,width:'300px',height:'100px','hide':true,'delimiter':',',autocomplete:{selectFirst:false},'unique':true,removeWithBackspace:true},options);
-	
+    var settings = jQuery.extend({
+      interactive:true,
+      defaultText:'add a tag',
+      minChars:0,
+      width:'300px',
+      height:'100px',
+      autocomplete: {selectFirst: false },
+      'hide':true,
+      'delimiter':',',
+      'unique':true,
+      removeWithBackspace:true,
+      placeholderColor:'#666666',
+      autosize: true,
+      comfortZone: 20,
+      inputPadding: 6*2,
+    },options);
+
 		this.each(function() { 
 			if (settings.hide) { 
 				$(this).hide();				
 			}
 				
-			id = $(this).attr('id')
+			var id = $(this).attr('id')
 			
-			data = jQuery.extend({
+			var data = jQuery.extend({
 				pid:id,
 				real_input: '#'+id,
 				holder: '#'+id+'_tagsinput',
@@ -135,7 +205,6 @@
 				fake_input: '#'+id+'_tag'
 			},settings);
 	
-	
 			delimiter[id] = data.delimiter;
 			
 			if (settings.onAddTag || settings.onRemoveTag || settings.onChange) {
@@ -163,7 +232,8 @@
 			}		
 			if (settings.interactive) { 
 				$(data.fake_input).val($(data.fake_input).attr('data-default'));
-				$(data.fake_input).css('color','#666666');		
+				$(data.fake_input).css('color',settings.placeholderColor);
+		        $(data.fake_input).resetAutosize(settings);
 		
 				$(data.holder).bind('click',data,function(event) {
 					$(event.data.fake_input).focus();
@@ -177,25 +247,27 @@
 				});
 						
 				if (settings.autocomplete_url != undefined) {
-					$(data.fake_input).autocomplete(settings.autocomplete_url,settings.autocomplete).bind('result',data,function(event,data,formatted) {
-						if (data) 
-						{
-							$(event.data.real_input).addTag(formatted,{focus:true,unique:(settings.unique)});
-						}
-					});
+					autocomplete_options = {source: settings.autocomplete_url};
+					for (attrname in settings.autocomplete) { 
+						autocomplete_options[attrname] = settings.autocomplete[attrname]; 
+					}
+				
+					if (jQuery.Autocompleter !== undefined) {
+						$(data.fake_input).autocomplete(settings.autocomplete_url, settings.autocomplete);
+						$(data.fake_input).bind('result',data,function(event,data,formatted) {
+							if (data) {
+								$('#'+id).addTag(data[0] + "",{focus:true,unique:(settings.unique)});
+							}
+					  	});
+					} else if (jQuery.ui.autocomplete !== undefined) {
+						$(data.fake_input).autocomplete(autocomplete_options);
+						$(data.fake_input).bind('autocompleteselect',data,function(event,ui) {
+							$(event.data.real_input).addTag(ui.item.value,{focus:true,unique:(settings.unique)});
+							return false;
+						});
+					}
+				
 					
-					$(data.fake_input).bind('blur',data,function(event) {
-						if( $('.ac_results').is(':visible') ) return false;
-						if ( $(event.data.fake_input).val() != $(event.data.fake_input).attr('data-default')) {
-							if((event.data.minChars <= $(event.data.fake_input).val().length) && (!event.data.maxChars || (event.data.maxChars >= $(event.data.fake_input).val().length)))
-								$(event.data.real_input).addTag($(event.data.fake_input).val(),{focus:false,unique:(settings.unique)});						
-						}
-						
-						$(event.data.fake_input).val($(event.data.fake_input).attr('data-default'));
-						$(event.data.fake_input).css('color','#666666');
-						return false;
-					});
-			
 				} else {
 						// if a user tabs out of the field, create a new tag
 						// this is only available if autocomplete is not used.
@@ -206,34 +278,48 @@
 									$(event.data.real_input).addTag($(event.data.fake_input).val(),{focus:true,unique:(settings.unique)});
 							} else {
 								$(event.data.fake_input).val($(event.data.fake_input).attr('data-default'));
-								$(event.data.fake_input).css('color','#666666');
+								$(event.data.fake_input).css('color',settings.placeholderColor);
 							}
 							return false;
 						});
 				
 				}
 				// if user types a comma, create a new tag
-				$(data.fake_input).bind('keypress',data,function(event) { 
+				$(data.fake_input).bind('keypress',data,function(event) {
 					if (event.which==event.data.delimiter.charCodeAt(0) || event.which==13 ) {
+					    event.preventDefault();
 						if( (event.data.minChars <= $(event.data.fake_input).val().length) && (!event.data.maxChars || (event.data.maxChars >= $(event.data.fake_input).val().length)) )
 							$(event.data.real_input).addTag($(event.data.fake_input).val(),{focus:true,unique:(settings.unique)});
-						
+					  	$(event.data.fake_input).resetAutosize(settings);
 						return false;
-					}
+					} else if (event.data.autosize) {
+			            $(event.data.fake_input).doAutosize(settings);
+            
+          			}
 				});
 				//Delete last tag on backspace
-				data.removeWithBackspace && $(data.fake_input).bind('keyup', function(event)
+				data.removeWithBackspace && $(data.fake_input).bind('keydown', function(event)
 				{
 					if(event.keyCode == 8 && $(this).val() == '')
 					{
+						 event.preventDefault();
 						 var last_tag = $(this).closest('.tagsinput').find('.tag:last').text();
 						 var id = $(this).attr('id').replace(/_tag$/, '');
 						 last_tag = last_tag.replace(/[\s]+x$/, '');
 						 $('#' + id).removeTag(escape(last_tag));
 						 $(this).trigger('focus');
-					};
+					}
 				});
 				$(data.fake_input).blur();
+				
+				//Removes the not_valid class when user changes the value of the fake input
+				if(data.unique) {
+				    $(data.fake_input).keydown(function(event){
+				        if(event.keyCode == 8 || String.fromCharCode(event.which).match(/\w+|[áéíóúÁÉÍÓÚñÑ,/]+/)) {
+				            $(this).removeClass('not_valid');
+				        }
+				    });
+				}
 			} // if settings.interactive
 			return false;
 		});
@@ -243,13 +329,13 @@
 	};
 	
 	$.fn.tagsInput.updateTagsField = function(obj,tagslist) { 
-		id = $(obj).attr('id');
+		var id = $(obj).attr('id');
 		$(obj).val(tagslist.join(delimiter[id]));
 	};
 	
 	$.fn.tagsInput.importTags = function(obj,val) {			
 		$(obj).val('');
-		id = $(obj).attr('id');
+		var id = $(obj).attr('id');
 		var tags = val.split(delimiter[id]);
 		for (i=0; i<tags.length; i++) { 
 			$(obj).addTag(tags[i],{focus:false,callback:false});
@@ -257,7 +343,7 @@
 		if(tags_callbacks[id] && tags_callbacks[id]['onChange'])
 		{
 			var f = tags_callbacks[id]['onChange'];
-			f(obj, tags[i]);
+			f.call(obj, obj, tags[i]);
 		}
 	};
 

test.html

@@ -7,6 +7,13 @@
 	<link rel="stylesheet" type="text/css" href="jquery.tagsinput.css" />
 	<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js"></script>
 	<script type="text/javascript" src="jquery.tagsinput.js"></script>
+	<!-- To test using the original jQuery.autocomplete, uncomment the following -->
+	<!--
+	<script type='text/javascript' src='http://xoxco.com/x/tagsinput/jquery-autocomplete/jquery.autocomplete.min.js'></script>
+	<link rel="stylesheet" type="text/css" href="http://xoxco.com/x/tagsinput/jquery-autocomplete/jquery.autocomplete.css" />
+	-->
+	<script type='text/javascript' src='https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.13/jquery-ui.min.js'></script>
+	<link rel="stylesheet" type="text/css" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.13/themes/start/jquery-ui.css" />
 	
 	
 	<script type="text/javascript">
@@ -18,7 +25,12 @@
 			alert("Removed a tag: " + tag);
 		}
 		
+		function onChangeTag(input,tag) {
+			alert("Changed a tag: " + tag);
+		}
+		
 		$(function() {
+
 			$('#tags_1').tagsInput();
 			$('#tags_2').tagsInput({
 				onChange: function(elem, elem_tags)
@@ -31,9 +43,14 @@
 					});
 				}
 			});
+			$('#tags_3').tagsInput({
+				//autocomplete_url:'test/fake_plaintext_endpoint.html' //jquery.autocomplete (not jquery ui)
+				autocomplete_url:'test/fake_json_endpoint.html' // jquery ui autocomplete requires a json endpoint
+			});
 			
+
 // Uncomment this line to see the callback functions in action
-//			$('input.tags').tagsInput({onAddTag:onAddTag,onRemoveTag:onRemoveTag});		
+//			$('input.tags').tagsInput({onAddTag:onAddTag,onRemoveTag:onRemoveTag,onChange: onChangeTag});		
 
 // Uncomment this line to see an input with no interface for adding new tags.
 //			$('input.tags').tagsInput({interactive:false});
@@ -52,6 +69,10 @@
 			
 			<label>Technologies: (Programming languages in yellow)</label>
 			<input id="tags_2" type="text" class="tags" value="php,ios,javascript,ruby,android,kindle" />
+			
+			<label>Autocomplete:</label>
+			<input id='tags_3' type='text' class='tags'>
+			
 		</form>
 	</section>
 

test/fake_json_endpoint.html

@@ -0,0 +1 @@
+[ { "id": "Netta rufina", "label": "Red-crested Pochard", "value": "Red-crested Pochard" }, { "id": "Sterna sandvicensis", "label": "Sandwich Tern", "value": "Sandwich Tern" }, { "id": "Saxicola rubetra", "label": "Whinchat", "value": "Whinchat" }, { "id": "Saxicola rubicola", "label": "European Stonechat", "value": "European Stonechat" }, { "id": "Lanius senator", "label": "Woodchat Shrike", "value": "Woodchat Shrike" }, { "id": "Coccothraustes coccothraustes", "label": "Hawfinch", "value": "Hawfinch" }, { "id": "Ficedula hypoleuca", "label": "Eurasian Pied Flycatcher", "value": "Eurasian Pied Flycatcher" }, { "id": "Sitta europaea", "label": "Eurasian Nuthatch", "value": "Eurasian Nuthatch" }, { "id": "Pyrrhula pyrrhula", "label": "Eurasian Bullfinch", "value": "Eurasian Bullfinch" }, { "id": "Muscicapa striata", "label": "Spotted Flycatcher", "value": "Spotted Flycatcher" }, { "id": "Carduelis chloris", "label": "European Greenfinch", "value": "European Greenfinch" }, { "id": "Carduelis carduelis", "label": "European Goldfinch", "value": "European Goldfinch" } ]

test/fake_plaintext_endpoint.html

@@ -0,0 +1,4 @@
+inky
+pinky
+blinky
+clyde