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ahitrov |
/* |
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jQuery Tags Input Plugin 1.3.3 |
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Copyright (c) 2011 XOXCO, Inc |
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Documentation for this plugin lives here: |
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http://xoxco.com/clickable/jquery-tags-input |
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Licensed under the MIT license: |
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http://www.opensource.org/licenses/mit-license.php |
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ben@xoxco.com |
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*/ |
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(function($) { |
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var delimiter = new Array(); |
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var tags_callbacks = new Array(); |
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$.fn.doAutosize = function(o){ |
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var minWidth = $(this).data('minwidth'), |
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maxWidth = $(this).data('maxwidth'), |
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val = '', |
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input = $(this), |
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testSubject = $('#'+$(this).data('tester_id')); |
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if (val === (val = input.val())) {return;} |
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// Enter new content into testSubject |
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var escaped = val.replace(/&/g, '&').replace(/\s/g,' ').replace(/</g, '<').replace(/>/g, '>'); |
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testSubject.html(escaped); |
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// Calculate new width + whether to change |
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var testerWidth = testSubject.width(), |
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newWidth = (testerWidth + o.comfortZone) >= minWidth ? testerWidth + o.comfortZone : minWidth, |
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currentWidth = input.width(), |
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isValidWidthChange = (newWidth < currentWidth && newWidth >= minWidth) |
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|| (newWidth > minWidth && newWidth < maxWidth); |
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// Animate width |
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if (isValidWidthChange) { |
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input.width(newWidth); |
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} |
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}; |
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$.fn.resetAutosize = function(options){ |
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// alert(JSON.stringify(options)); |
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var minWidth = $(this).data('minwidth') || options.minInputWidth || $(this).width(), |
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maxWidth = $(this).data('maxwidth') || options.maxInputWidth || ($(this).closest('.tagsinput').width() - options.inputPadding), |
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val = '', |
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input = $(this), |
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testSubject = $('<tester/>').css({ |
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position: 'absolute', |
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top: -9999, |
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left: -9999, |
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width: 'auto', |
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fontSize: input.css('fontSize'), |
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fontFamily: input.css('fontFamily'), |
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fontWeight: input.css('fontWeight'), |
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letterSpacing: input.css('letterSpacing'), |
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whiteSpace: 'nowrap' |
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}), |
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testerId = $(this).attr('id')+'_autosize_tester'; |
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if(! $('#'+testerId).length > 0){ |
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testSubject.attr('id', testerId); |
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testSubject.appendTo('body'); |
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} |
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input.data('minwidth', minWidth); |
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input.data('maxwidth', maxWidth); |
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input.data('tester_id', testerId); |
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input.css('width', minWidth); |
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}; |
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$.fn.addTag = function(value,options) { |
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options = jQuery.extend({focus:false,callback:true},options); |
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this.each(function() { |
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var id = $(this).attr('id'); |
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var tagslist = $(this).val().split(delimiter[id]); |
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if (tagslist[0] == '') { |
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tagslist = new Array(); |
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} |
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value = jQuery.trim(value); |
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if (options.unique) { |
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var skipTag = $(this).tagExist(value); |
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if(skipTag == true) { |
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//Marks fake input as not_valid to let styling it |
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$('#'+id+'_tag').addClass('not_valid'); |
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} |
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} else { |
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var skipTag = false; |
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} |
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if (value !='' && skipTag != true) { |
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$('<span>').addClass('tag').append( |
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$('<span>').text(value).append(' '), |
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$('<a>', { |
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href : '#', |
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title : 'Removing tag', |
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text : 'x' |
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}).click(function () { |
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return $('#' + id).removeTag(escape(value)); |
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}) |
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).insertBefore('#' + id + '_addTag'); |
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tagslist.push(value); |
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$('#'+id+'_tag').val(''); |
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if (options.focus) { |
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$('#'+id+'_tag').focus(); |
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} else { |
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$('#'+id+'_tag').blur(); |
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} |
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$.fn.tagsInput.updateTagsField(this,tagslist); |
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if (options.callback && tags_callbacks[id] && tags_callbacks[id]['onAddTag']) { |
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var f = tags_callbacks[id]['onAddTag']; |
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f.call(this, value); |
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} |
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if(tags_callbacks[id] && tags_callbacks[id]['onChange']) |
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{ |
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var i = tagslist.length; |
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var f = tags_callbacks[id]['onChange']; |
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f.call(this, $(this), tagslist[i-1]); |
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} |
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} |
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}); |
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return false; |
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}; |
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$.fn.removeTag = function(value) { |
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value = unescape(value); |
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this.each(function() { |
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var id = $(this).attr('id'); |
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var old = $(this).val().split(delimiter[id]); |
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$('#'+id+'_tagsinput .tag').remove(); |
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str = ''; |
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for (i=0; i< old.length; i++) { |
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if (old[i]!=value) { |
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str = str + delimiter[id] +old[i]; |
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} |
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} |
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$.fn.tagsInput.importTags(this,str); |
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if (tags_callbacks[id] && tags_callbacks[id]['onRemoveTag']) { |
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var f = tags_callbacks[id]['onRemoveTag']; |
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f.call(this, value); |
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} |
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}); |
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return false; |
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}; |
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$.fn.tagExist = function(val) { |
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var id = $(this).attr('id'); |
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var tagslist = $(this).val().split(delimiter[id]); |
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return (jQuery.inArray(val, tagslist) >= 0); //true when tag exists, false when not |
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}; |
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// clear all existing tags and import new ones from a string |
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$.fn.importTags = function(str) { |
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id = $(this).attr('id'); |
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$('#'+id+'_tagsinput .tag').remove(); |
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$.fn.tagsInput.importTags(this,str); |
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} |
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$.fn.tagsInput = function(options) { |
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var settings = jQuery.extend({ |
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interactive:true, |
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defaultText:'add a tag', |
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minChars:0, |
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width:'300px', |
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height:'100px', |
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autocomplete: {selectFirst: false }, |
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'hide':true, |
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'delimiter':',', |
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'unique':true, |
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removeWithBackspace:true, |
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placeholderColor:'#666666', |
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autosize: true, |
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comfortZone: 20, |
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inputPadding: 6*2 |
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},options); |
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this.each(function() { |
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if (settings.hide) { |
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$(this).hide(); |
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} |
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var id = $(this).attr('id'); |
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if (!id || delimiter[$(this).attr('id')]) { |
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id = $(this).attr('id', 'tags' + new Date().getTime()).attr('id'); |
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} |
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var data = jQuery.extend({ |
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pid:id, |
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real_input: '#'+id, |
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holder: '#'+id+'_tagsinput', |
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input_wrapper: '#'+id+'_addTag', |
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fake_input: '#'+id+'_tag' |
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},settings); |
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delimiter[id] = data.delimiter; |
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if (settings.onAddTag || settings.onRemoveTag || settings.onChange) { |
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tags_callbacks[id] = new Array(); |
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tags_callbacks[id]['onAddTag'] = settings.onAddTag; |
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tags_callbacks[id]['onRemoveTag'] = settings.onRemoveTag; |
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tags_callbacks[id]['onChange'] = settings.onChange; |
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} |
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var markup = '<div id="'+id+'_tagsinput" class="tagsinput"><div id="'+id+'_addTag">'; |
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if (settings.interactive) { |
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markup = markup + '<input id="'+id+'_tag" value="" data-default="'+settings.defaultText+'" />'; |
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} |
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markup = markup + '</div><div class="tags_clear"></div></div>'; |
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$(markup).insertAfter(this); |
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$(data.holder).css('width',settings.width); |
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$(data.holder).css('min-height',settings.height); |
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$(data.holder).css('height','100%'); |
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if ($(data.real_input).val()!='') { |
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$.fn.tagsInput.importTags($(data.real_input),$(data.real_input).val()); |
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} |
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if (settings.interactive) { |
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$(data.fake_input).val($(data.fake_input).attr('data-default')); |
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$(data.fake_input).css('color',settings.placeholderColor); |
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$(data.fake_input).resetAutosize(settings); |
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$(data.holder).bind('click',data,function(event) { |
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$(event.data.fake_input).focus(); |
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}); |
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$(data.fake_input).bind('focus',data,function(event) { |
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if ($(event.data.fake_input).val()==$(event.data.fake_input).attr('data-default')) { |
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$(event.data.fake_input).val(''); |
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} |
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$(event.data.fake_input).css('color','#000000'); |
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}); |
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if (settings.autocomplete_url != undefined) { |
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autocomplete_options = {source: settings.autocomplete_url}; |
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for (attrname in settings.autocomplete) { |
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autocomplete_options[attrname] = settings.autocomplete[attrname]; |
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} |
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if (jQuery.Autocompleter !== undefined) { |
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$(data.fake_input).autocomplete(settings.autocomplete_url, settings.autocomplete); |
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$(data.fake_input).bind('result',data,function(event,data,formatted) { |
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if (data) { |
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$('#'+id).addTag(data[0] + "",{focus:true,unique:(settings.unique)}); |
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} |
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}); |
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} else if (jQuery.ui.autocomplete !== undefined) { |
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$(data.fake_input).autocomplete(autocomplete_options); |
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$(data.fake_input).bind('autocompleteselect',data,function(event,ui) { |
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$(event.data.real_input).addTag(ui.item.value,{focus:true,unique:(settings.unique)}); |
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return false; |
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}); |
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} |
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} else { |
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// if a user tabs out of the field, create a new tag |
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// this is only available if autocomplete is not used. |
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$(data.fake_input).bind('blur',data,function(event) { |
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var d = $(this).attr('data-default'); |
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if ($(event.data.fake_input).val()!='' && $(event.data.fake_input).val()!=d) { |
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if( (event.data.minChars <= $(event.data.fake_input).val().length) && (!event.data.maxChars || (event.data.maxChars >= $(event.data.fake_input).val().length)) ) |
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$(event.data.real_input).addTag($(event.data.fake_input).val(),{focus:true,unique:(settings.unique)}); |
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} else { |
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$(event.data.fake_input).val($(event.data.fake_input).attr('data-default')); |
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$(event.data.fake_input).css('color',settings.placeholderColor); |
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} |
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return false; |
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}); |
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} |
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// if user types a comma, create a new tag |
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$(data.fake_input).bind('keypress',data,function(event) { |
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if (event.which==event.data.delimiter.charCodeAt(0) || event.which==13 ) { |
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event.preventDefault(); |
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if( (event.data.minChars <= $(event.data.fake_input).val().length) && (!event.data.maxChars || (event.data.maxChars >= $(event.data.fake_input).val().length)) ) |
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$(event.data.real_input).addTag($(event.data.fake_input).val(),{focus:true,unique:(settings.unique)}); |
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$(event.data.fake_input).resetAutosize(settings); |
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return false; |
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} else if (event.data.autosize) { |
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$(event.data.fake_input).doAutosize(settings); |
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} |
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}); |
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//Delete last tag on backspace |
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data.removeWithBackspace && $(data.fake_input).bind('keydown', function(event) |
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{ |
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if(event.keyCode == 8 && $(this).val() == '') |
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{ |
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event.preventDefault(); |
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var last_tag = $(this).closest('.tagsinput').find('.tag:last').text(); |
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var id = $(this).attr('id').replace(/_tag$/, ''); |
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last_tag = last_tag.replace(/[\s]+x$/, ''); |
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$('#' + id).removeTag(escape(last_tag)); |
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$(this).trigger('focus'); |
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} |
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}); |
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$(data.fake_input).blur(); |
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//Removes the not_valid class when user changes the value of the fake input |
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if(data.unique) { |
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$(data.fake_input).keydown(function(event){ |
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if(event.keyCode == 8 || String.fromCharCode(event.which).match(/\w+|[áéíóúÁÉÍÓÚñÑ,/]+/)) { |
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$(this).removeClass('not_valid'); |
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} |
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}); |
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} |
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} // if settings.interactive |
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}); |
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return this; |
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}; |
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$.fn.tagsInput.updateTagsField = function(obj,tagslist) { |
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var id = $(obj).attr('id'); |
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$(obj).val(tagslist.join(delimiter[id])); |
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}; |
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$.fn.tagsInput.importTags = function(obj,val) { |
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$(obj).val(''); |
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var id = $(obj).attr('id'); |
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var tags = val.split(delimiter[id]); |
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for (i=0; i<tags.length; i++) { |
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$(obj).addTag(tags[i],{focus:false,callback:false}); |
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} |
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if(tags_callbacks[id] && tags_callbacks[id]['onChange']) |
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{ |
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var f = tags_callbacks[id]['onChange']; |
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f.call(obj, obj, tags[i]); |
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} |
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}; |
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})(jQuery); |