diff plugins/jqueryui/js/jquery.tagedit.js @ 0:4681f974d28b

vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:52:31 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/jqueryui/js/jquery.tagedit.js	Thu Jan 04 15:52:31 2018 -0500
@@ -0,0 +1,683 @@
+/*
+* Tagedit - jQuery Plugin
+* The Plugin can be used to edit tags from a database the easy way
+*
+* Examples and documentation at: tagedit.webwork-albrecht.de
+*
+* License:
+* This work is licensed under a MIT License
+*
+* @licstart  The following is the entire license notice for the
+* JavaScript code in this file.
+*
+* Copyright (c) 2010 Oliver Albrecht <info@webwork-albrecht.de>
+* Copyright (c) 2014 Thomas BrĂ¼derli <thomas@roundcube.net>
+*
+* Licensed under the MIT licenses
+*
+* Permission is hereby granted, free of charge, to any person obtaining
+* a copy of this software and associated documentation files (the
+* "Software"), to deal in the Software without restriction, including
+* without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to
+* permit persons to whom the Software is furnished to do so, subject to
+* the following conditions:
+*
+* The above copyright notice and this permission notice shall be
+* included in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*
+* @licend  The above is the entire license notice
+* for the JavaScript code in this file.
+*
+* @author Oliver Albrecht Mial: info@webwork-albrecht.de Twitter: @webworka
+* @version 1.5.2 (06/2014)
+* Requires: jQuery v1.4+, jQueryUI v1.8+, jQuerry.autoGrowInput
+*
+* Example of usage:
+*
+* $( "input.tag" ).tagedit();
+*
+* Possible options:
+*
+*  autocompleteURL: '', // url for a autocompletion
+*  deleteEmptyItems: true, // Deletes items with empty value
+*  deletedPostfix: '-d', // will be put to the Items that are marked as delete
+*  addedPostfix: '-a', // will be put to the Items that are choosem from the database
+*  additionalListClass: '', // put a classname here if the wrapper ul shoud receive a special class
+*  allowEdit: true, // Switch on/off edit entries
+*  allowDelete: true, // Switch on/off deletion of entries. Will be ignored if allowEdit = false
+*  allowAdd: true, // switch on/off the creation of new entries
+*  direction: 'ltr' // Sets the writing direction for Outputs and Inputs
+*  animSpeed: 500 // Sets the animation speed for effects
+*  autocompleteOptions: {}, // Setting Options for the jquery UI Autocomplete (http://jqueryui.com/demos/autocomplete/)
+*  breakKeyCodes: [ 13, 44 ], // Sets the characters to break on to parse the tags (defaults: return, comma)
+*  checkNewEntriesCaseSensitive: false, // If there is a new Entry, it is checked against the autocompletion list. This Flag controlls if the check is (in-)casesensitive
+*  texts: { // some texts
+*      removeLinkTitle: 'Remove from list.',
+*      saveEditLinkTitle: 'Save changes.',
+*      deleteLinkTitle: 'Delete this tag from database.',
+*      deleteConfirmation: 'Are you sure to delete this entry?',
+*      deletedElementTitle: 'This Element will be deleted.',
+*      breakEditLinkTitle: 'Cancel'
+*  }
+*/
+
+(function($) {
+
+	$.fn.tagedit = function(options) {
+		/**
+		* Merge Options with defaults
+		*/
+		options = $.extend(true, {
+			// default options here
+			autocompleteURL: null,
+			checkToDeleteURL: null,
+			deletedPostfix: '-d',
+			addedPostfix: '-a',
+			additionalListClass: '',
+			allowEdit: true,
+			allowDelete: true,
+			allowAdd: true,
+			direction: 'ltr',
+			animSpeed: 500,
+			autocompleteOptions: {
+				select: function( event, ui ) {
+					$(this).val(ui.item.value).trigger('transformToTag', [ui.item.id]);
+					return false;
+				}
+			},
+			breakKeyCodes: [ 13, 44 ],
+			checkNewEntriesCaseSensitive: false,
+			texts: {
+				removeLinkTitle: 'Remove from list.',
+				saveEditLinkTitle: 'Save changes.',
+				deleteLinkTitle: 'Delete this tag from database.',
+				deleteConfirmation: 'Are you sure to delete this entry?',
+				deletedElementTitle: 'This Element will be deleted.',
+				breakEditLinkTitle: 'Cancel',
+                forceDeleteConfirmation: 'There are more records using this tag, are you sure do you want to remove it?'
+			},
+			tabindex: false
+		}, options || {});
+
+		// no action if there are no elements
+		if(this.length == 0) {
+			return;
+		}
+
+		// set the autocompleteOptions source
+		if(options.autocompleteURL) {
+			options.autocompleteOptions.source = options.autocompleteURL;
+		}
+
+		// Set the direction of the inputs
+		var direction= this.attr('dir');
+		if(direction && direction.length > 0) {
+			options.direction = this.attr('dir');
+		}
+
+		var elements = this;
+		var focusItem = null;
+
+		var baseNameRegexp = new RegExp("^(.*)\\[([0-9]*?("+options.deletedPostfix+"|"+options.addedPostfix+")?)?\]$", "i");
+
+		var baseName = elements.eq(0).attr('name').match(baseNameRegexp);
+		if(baseName && baseName.length == 4) {
+			baseName = baseName[1];
+		}
+		else {
+			// Elementname does not match the expected format, exit
+			alert('elementname dows not match the expected format (regexp: '+baseNameRegexp+')')
+			return;
+		}
+
+		// read tabindex from source element
+		var ti;
+		if (!options.tabindex && (ti = elements.eq(0).attr('tabindex')))
+			options.tabindex = ti;
+
+		// init elements
+		inputsToList();
+
+		/**
+		* Creates the tageditinput from a list of textinputs
+		*
+		*/
+		function inputsToList() {
+			var html = '<ul class="tagedit-list '+options.additionalListClass+'">';
+
+			elements.each(function(i) {
+				var element_name = $(this).attr('name').match(baseNameRegexp);
+				if(element_name && element_name.length == 4 && (options.deleteEmptyItems == false || $(this).val().length > 0)) {
+					if(element_name[1].length > 0) {
+						var elementId = typeof element_name[2] != 'undefined'? element_name[2]: '',
+							domId = 'tagedit-' + baseName + '-' + (elementId || i);
+
+						html += '<li class="tagedit-listelement tagedit-listelement-old" aria-labelledby="'+domId+'">';
+						html += '<span dir="'+options.direction+'" id="'+domId+'">' + $(this).val() + '</span>';
+						html += '<input type="hidden" name="'+baseName+'['+elementId+']" value="'+$(this).val()+'" />';
+						if (options.allowDelete)
+							html += '<a class="tagedit-close" title="'+options.texts.removeLinkTitle+'" aria-label="'+options.texts.removeLinkTitle+' '+$(this).val()+'">x</a>';
+						html += '</li>';
+					}
+				}
+			});
+
+			// replace Elements with the list and save the list in the local variable elements
+			elements.last().after(html)
+			var newList = elements.last().next();
+			elements.remove();
+			elements = newList;
+
+			// Check if some of the elementshav to be marked as deleted
+			if(options.deletedPostfix.length > 0) {
+				elements.find('input[name$="'+options.deletedPostfix+'\]"]').each(function() {
+					markAsDeleted($(this).parent());
+				});
+			}
+
+			// put an input field at the End
+			// Put an empty element at the end
+			html = '<li class="tagedit-listelement tagedit-listelement-new">';
+			if (options.allowAdd)
+				html += '<input type="text" name="'+baseName+'[]" value="" id="tagedit-input" disabled="disabled" class="tagedit-input-disabled" dir="'+options.direction+'"/>';
+			html += '</li>';
+			html += '</ul>';
+
+			elements
+				.append(html)
+				.attr('tabindex', options.tabindex) // set tabindex to <ul> to recieve focus
+
+				// Set function on the input
+				.find('#tagedit-input')
+					.attr('tabindex', options.tabindex)
+					.each(function() {
+						$(this).autoGrowInput({comfortZone: 15, minWidth: 15, maxWidth: 20000});
+
+						// Event is triggert in case of choosing an item from the autocomplete, or finish the input
+						$(this).bind('transformToTag', function(event, id) {
+							var oldValue = (typeof id != 'undefined' && (id.length > 0 || id > 0));
+
+							var checkAutocomplete = oldValue == true || options.autocompleteOptions.noCheck ? false : true;
+							// check if the Value ist new
+							var isNewResult = isNew($(this).val(), checkAutocomplete);
+							if(isNewResult[0] === true || (isNewResult[0] === false && typeof isNewResult[1] == 'string')) {
+
+								if(oldValue == false && typeof isNewResult[1] == 'string') {
+									oldValue = true;
+									id = isNewResult[1];
+								}
+
+								if(options.allowAdd == true || oldValue) {
+									var domId = 'tagedit-' + baseName + '-' + id;
+									// Make a new tag in front the input
+									html = '<li class="tagedit-listelement tagedit-listelement-old" aria-labelledby="'+domId+'">';
+									html += '<span dir="'+options.direction+'" id="'+domId+'">' + $(this).val() + '</span>';
+									var name = oldValue? baseName + '['+id+options.addedPostfix+']' : baseName + '[]';
+									html += '<input type="hidden" name="'+name+'" value="'+$(this).val()+'" />';
+									html += '<a class="tagedit-close" title="'+options.texts.removeLinkTitle+'" aria-label="'+options.texts.removeLinkTitle+' '+$(this).val()+'">x</a>';
+									html += '</li>';
+
+									$(this).parent().before(html);
+								}
+							}
+							$(this).val('');
+
+							// close autocomplete
+							if(options.autocompleteOptions.source) {
+								if($(this).is(':ui-autocomplete'))
+									$(this).autocomplete( "close" );
+							}
+
+						})
+						.keydown(function(event) {
+							var code = event.keyCode > 0? event.keyCode : event.which;
+
+							switch(code) {
+								case 46:
+									if (!focusItem)
+										break;
+								case 8: // BACKSPACE
+									if(focusItem) {
+										focusItem.fadeOut(options.animSpeed, function() {
+											$(this).remove();
+										})
+										unfocusItem();
+										event.preventDefault();
+										return false;
+									}
+									else if($(this).val().length == 0) {
+										// delete Last Tag
+										var elementToRemove = elements.find('li.tagedit-listelement-old').last();
+										elementToRemove.fadeOut(options.animSpeed, function() {elementToRemove.remove();})
+										event.preventDefault();
+										return false;
+									}
+									break;
+								case 9: // TAB
+									if($(this).val().length > 0 && $('ul.ui-autocomplete #ui-active-menuitem').length == 0) {
+										$(this).trigger('transformToTag');
+										event.preventDefault();
+										return false;
+									}
+									break;
+								case 37: // LEFT
+								case 39: // RIGHT
+									if($(this).val().length == 0) {
+										// select previous Tag
+										var inc = code == 37 ? -1 : 1,
+											items = elements.find('li.tagedit-listelement-old')
+											x = items.length, next = 0;
+										items.each(function(i, elem) {
+											if ($(elem).hasClass('tagedit-listelement-focus')) {
+												x = i;
+												return true;
+											}
+										});
+										unfocusItem();
+										next = Math.max(0, x + inc);
+										if (items.get(next)) {
+											focusItem = items.eq(next).addClass('tagedit-listelement-focus');
+											$(this).attr('aria-activedescendant', focusItem.attr('aria-labelledby'))
+
+											if(options.autocompleteOptions.source != false) {
+												$(this).autocomplete('close').autocomplete('disable');
+											}
+										}
+										event.preventDefault();
+										return false;
+									}
+									break;
+								default:
+									// ignore input if an item is focused
+									if (focusItem !== null) {
+										event.preventDefault();
+										event.bubble = false;
+										return false;
+									}
+							}
+							return true;
+						})
+						.keypress(function(event) {
+							var code = event.keyCode > 0? event.keyCode : event.which;
+							if($.inArray(code, options.breakKeyCodes) > -1) {
+								if($(this).val().length > 0 && $('ul.ui-autocomplete #ui-active-menuitem').length == 0) {
+									$(this).trigger('transformToTag');
+								}
+								event.preventDefault();
+								return false;
+							}
+							else if($(this).val().length > 0){
+								unfocusItem();
+							}
+							return true;
+						})
+						.bind('paste', function(e){
+							var that = $(this);
+							if (e.type == 'paste'){
+								setTimeout(function(){
+									that.trigger('transformToTag');
+								}, 1);
+							}
+						})
+						.blur(function() {
+							if($(this).val().length == 0) {
+								// disable the field to prevent sending with the form
+								$(this).attr('disabled', 'disabled').addClass('tagedit-input-disabled');
+							}
+							else {
+								// Delete entry after a timeout
+								var input = $(this);
+								$(this).data('blurtimer', window.setTimeout(function() {input.val('');}, 500));
+							}
+							unfocusItem();
+							// restore tabindex when widget looses focus
+							if (options.tabindex)
+								elements.attr('tabindex', options.tabindex);
+						})
+						.focus(function() {
+							window.clearTimeout($(this).data('blurtimer'));
+							// remove tabindex on <ul> because #tagedit-input now has it
+							elements.attr('tabindex', '-1');
+						});
+
+						if(options.autocompleteOptions.source != false) {
+							$(this).autocomplete(options.autocompleteOptions);
+						}
+					})
+				.end()
+				.click(function(event) {
+					switch(event.target.tagName) {
+						case 'A':
+							$(event.target).parent().fadeOut(options.animSpeed, function() {
+								$(event.target).parent().remove();
+								elements.find('#tagedit-input').focus();
+								});
+							break;
+						case 'INPUT':
+						case 'SPAN':
+						case 'LI':
+							if($(event.target).hasClass('tagedit-listelement-deleted') == false &&
+							$(event.target).parent('li').hasClass('tagedit-listelement-deleted') == false) {
+								// Don't edit an deleted Items
+								return doEdit(event);
+							}
+						default:
+							$(this).find('#tagedit-input')
+								.removeAttr('disabled')
+								.removeClass('tagedit-input-disabled')
+								.focus();
+					}
+					return false;
+				})
+				// forward focus event (on tabbing through the form)
+				.focus(function(e){ $(this).click(); })
+		}
+
+		/**
+		 * Remove class and reference to currently focused tag item
+		 */
+		function unfocusItem() {
+			if(focusItem){
+				if(options.autocompleteOptions.source != false) {
+					elements.find('#tagedit-input').autocomplete('enable');
+				}
+				focusItem.removeClass('tagedit-listelement-focus');
+				focusItem = null;
+				elements.find('#tagedit-input').removeAttr('aria-activedescendant');
+			}
+		}
+
+		/**
+		* Sets all Actions and events for editing an Existing Tag.
+		*
+		* @param event {object} The original Event that was given
+		* return {boolean}
+		*/
+		function doEdit(event) {
+			if(options.allowEdit == false) {
+				// Do nothing
+				return;
+			}
+
+			var element = event.target.tagName == 'SPAN'? $(event.target).parent() : $(event.target);
+
+			var closeTimer = null;
+
+			// Event that is fired if the User finishes the edit of a tag
+			element.bind('finishEdit', function(event, doReset) {
+				window.clearTimeout(closeTimer);
+
+				var textfield = $(this).find(':text');
+				var isNewResult = isNew(textfield.val(), true);
+				if(textfield.val().length > 0 && (typeof doReset == 'undefined' || doReset === false) && (isNewResult[0] == true)) {
+					// This is a new Value and we do not want to do a reset. Set the new value
+					$(this).find(':hidden').val(textfield.val());
+					$(this).find('span').html(textfield.val());
+				}
+
+				textfield.remove();
+				$(this).find('a.tagedit-save, a.tagedit-break, a.tagedit-delete').remove(); // Workaround. This normaly has to be done by autogrow Plugin
+				$(this).removeClass('tagedit-listelement-edit').unbind('finishEdit');
+				return false;
+			});
+
+			var hidden = element.find(':hidden');
+			html = '<input type="text" name="tmpinput" autocomplete="off" value="'+hidden.val()+'" class="tagedit-edit-input" dir="'+options.direction+'"/>';
+			html += '<a class="tagedit-save" title="'+options.texts.saveEditLinkTitle+'">o</a>';
+			html += '<a class="tagedit-break" title="'+options.texts.breakEditLinkTitle+'">x</a>';
+
+			// If the Element is one from the Database, it can be deleted
+			if(options.allowDelete == true && element.find(':hidden').length > 0 &&
+			typeof element.find(':hidden').attr('name').match(baseNameRegexp)[3] != 'undefined') {
+				html += '<a class="tagedit-delete" title="'+options.texts.deleteLinkTitle+'">d</a>';
+			}
+
+			hidden.after(html);
+			element
+				.addClass('tagedit-listelement-edit')
+				.find('a.tagedit-save')
+					.click(function() {
+						$(this).parent().trigger('finishEdit');
+						return false;
+					})
+				.end()
+				.find('a.tagedit-break')
+					.click(function() {
+						$(this).parent().trigger('finishEdit', [true]);
+						return false;
+					})
+				.end()
+				.find('a.tagedit-delete')
+					.click(function() {
+                        window.clearTimeout(closeTimer);
+						if(confirm(options.texts.deleteConfirmation)) {
+                            var canDelete = checkToDelete($(this).parent());
+                            if (!canDelete && confirm(options.texts.forceDeleteConfirmation)) {
+                                markAsDeleted($(this).parent());
+                            }
+
+                            if(canDelete) {
+                                markAsDeleted($(this).parent());
+                            }
+
+                            $(this).parent().find(':text').trigger('finishEdit', [true]);
+						}
+                        else {
+                            $(this).parent().find(':text').trigger('finishEdit', [true]);
+                        }
+						return false;
+					})
+				.end()
+				.find(':text')
+					.focus()
+					.autoGrowInput({comfortZone: 10, minWidth: 15, maxWidth: 20000})
+					.keypress(function(event) {
+						switch(event.keyCode) {
+							case 13: // RETURN
+								event.preventDefault();
+								$(this).parent().trigger('finishEdit');
+								return false;
+							case 27: // ESC
+								event.preventDefault();
+								$(this).parent().trigger('finishEdit', [true]);
+								return false;
+						}
+						return true;
+					})
+					.blur(function() {
+						var that = $(this);
+						closeTimer = window.setTimeout(function() {that.parent().trigger('finishEdit', [true])}, 500);
+					});
+		}
+
+        /**
+         * Verifies if the tag select to be deleted is used by other records using an Ajax request.
+         *
+         * @param element
+         * @returns {boolean}
+         */
+        function checkToDelete(element) {
+            // if no URL is provide will not verify
+            if(options.checkToDeleteURL === null) {
+                return false;
+            }
+
+            var inputName = element.find('input:hidden').attr('name');
+            var idPattern = new RegExp('\\d');
+            var tagId = inputName.match(idPattern);
+            var checkResult = false;
+
+            $.ajax({
+                async   : false,
+                url     : options.checkToDeleteURL,
+                dataType: 'json',
+                type    : 'POST',
+                data    : { 'tagId' : tagId},
+                complete: function (XMLHttpRequest, textStatus) {
+
+                    // Expected JSON Object: { "success": Boolean, "allowDelete": Boolean}
+                    var result = $.parseJSON(XMLHttpRequest.responseText);
+                    if(result.success === true){
+                        checkResult = result.allowDelete;
+                    }
+                }
+            });
+
+            return checkResult;
+        }
+
+		/**
+		* Marks a single Tag as deleted.
+		*
+		* @param element {object}
+		*/
+		function markAsDeleted(element) {
+			element
+				.trigger('finishEdit', [true])
+				.addClass('tagedit-listelement-deleted')
+				.attr('title', options.deletedElementTitle);
+				element.find(':hidden').each(function() {
+					var nameEndRegexp = new RegExp('('+options.addedPostfix+'|'+options.deletedPostfix+')?\]');
+					var name = $(this).attr('name').replace(nameEndRegexp, options.deletedPostfix+']');
+					$(this).attr('name', name);
+				});
+
+		}
+
+		/**
+		* Checks if a tag is already choosen.
+		*
+		* @param value {string}
+		* @param checkAutocomplete {boolean} optional Check also the autocomplet values
+		* @returns {Array} First item is a boolean, telling if the item should be put to the list, second is optional the ID from autocomplete list
+		*/
+		function isNew(value, checkAutocomplete) {
+            checkAutocomplete = typeof checkAutocomplete == 'undefined'? false : checkAutocomplete;
+			var autoCompleteId = null;
+            
+            var compareValue = options.checkNewEntriesCaseSensitive == true? value : value.toLowerCase();
+
+			var isNew = true;
+			elements.find('li.tagedit-listelement-old input:hidden').each(function() {
+                var elementValue = options.checkNewEntriesCaseSensitive == true? $(this).val() : $(this).val().toLowerCase();
+				if(elementValue == compareValue) {
+					isNew = false;
+				}
+			});
+
+			if (isNew == true && checkAutocomplete == true && options.autocompleteOptions.source != false) {
+				var result = [];
+				if ($.isArray(options.autocompleteOptions.source)) {
+					result = options.autocompleteOptions.source;
+				}
+                else if ($.isFunction(options.autocompleteOptions.source)) {
+					options.autocompleteOptions.source({term: value}, function (data) {result = data});
+				}
+                else if (typeof options.autocompleteOptions.source === "string") {
+					// Check also autocomplete values
+					var autocompleteURL = options.autocompleteOptions.source;
+					if (autocompleteURL.match(/\?/)) {
+						autocompleteURL += '&';
+					} else {
+						autocompleteURL += '?';
+					}
+					autocompleteURL += 'term=' + value;
+					$.ajax({
+						async: false,
+						url: autocompleteURL,
+						dataType: 'json',
+						complete: function (XMLHttpRequest, textStatus) {
+							result = $.parseJSON(XMLHttpRequest.responseText);
+						}
+					});
+				}
+                
+				// If there is an entry for that already in the autocomplete, don't use it (Check could be case sensitive or not)
+				for (var i = 0; i < result.length; i++) {
+					var resultValue = result[i].label? result[i].label : result[i];
+					var label = options.checkNewEntriesCaseSensitive == true? resultValue : resultValue.toLowerCase();
+					if (label == compareValue) {
+						isNew = false;
+						autoCompleteId = typeof result[i] == 'string' ? i : result[i].id;
+						break;
+					}
+				}
+			}
+
+			return new Array(isNew, autoCompleteId);
+		}
+	}
+})(jQuery);
+
+(function($){
+    
+// jQuery autoGrowInput plugin by James Padolsey
+// See related thread: http://stackoverflow.com/questions/931207/is-there-a-jquery-autogrow-plugin-for-text-fields
+        
+$.fn.autoGrowInput = function(o) {
+    
+    o = $.extend({
+        maxWidth: 1000,
+        minWidth: 0,
+        comfortZone: 70
+    }, o);
+    
+    this.filter('input:text').each(function(){
+        
+        var minWidth = o.minWidth || $(this).width(),
+            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'
+            }),
+            check = function() {
+                
+                if (val === (val = input.val())) {return;}
+                
+                // Enter new content into testSubject
+                var escaped = val.replace(/&/g, '&amp;').replace(/\s/g,'&nbsp;').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 < o.maxWidth);
+                
+                // Animate width
+                if (isValidWidthChange) {
+                    input.width(newWidth);
+                }
+                
+            };
+            
+        testSubject.insertAfter(input);
+        
+        $(this).bind('keyup keydown blur update', check);
+        
+        check();
+    });
+    
+    return this;
+
+};
+
+})(jQuery);
\ No newline at end of file