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View File Name : jquery.tagsinput.js

/*

	jQuery Tags Input Plugin 1.3.3

	Copyright (c) 2011 XOXCO, Inc

	Documentation for this plugin lives here:
	http://xoxco.com/clickable/jquery-tags-input

	Licensed under the MIT license:
	http://www.opensource.org/licenses/mit-license.php

	ben@xoxco.com

*/

(function($) {

	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, '&').replace(/\s/g,' ').replace(/</g, '<').replace(/>/g, '>');
	    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) {
			options = jQuery.extend({focus:false,callback:true},options);
			this.each(function() {
				var id = $(this).attr('id');

				var tagslist = $(this).val().split(delimiter[id]);
				if (tagslist[0] == '') {
					tagslist = new Array();
				}

				value = jQuery.trim(value);

				if (options.unique) {
					var skipTag = $(this).tagExist(value);
					if(skipTag == true) {
					    //Marks fake input as not_valid to let styling it
    				    $('#'+id+'_tag').addClass('not_valid');
    				}
				} else {
					var skipTag = false;
				}

				if (value != '' && skipTag != true) {
					let $tagBody = $('<span>').addClass('tag').append(
						$('<span>').text(value).append('  '),
						$('<a>', {
							href: '#',
							title: 'Removing tag',
							text: 'x'
						}).click(function () {
							return $('#' + id).removeTag(escape(value));
						})
					);

					if (options.type !== undefined && options.type === 'readOnly') {
						$('#' + id + '_tagsinput').prepend($tagBody);
						tagslist.unshift(value);
					} else {
						$tagBody.insertBefore(('#' + id + '_addTag'));
						tagslist.push(value);
					}

					$('#'+id+'_tag').val('');
					if (options.focus) {
						$('#'+id+'_tag').focus();
					} else {
						$('#'+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.call(this, value);
					}
					if(tags_callbacks[id] && tags_callbacks[id]['onChange'])
					{
						var i = tagslist.length;
						var f = tags_callbacks[id]['onChange'];
						f.call(this, $(this), tagslist[i-1]);
					}
				}

			});

			return false;
		};

	$.fn.removeTag = function(value) {
			value = unescape(value);
			this.each(function() {
				var id = $(this).attr('id');

				var old = $(this).val().split(delimiter[id]);

				$('#'+id+'_tagsinput .tag').remove();
				str = '';
				for (i=0; i< old.length; i++) {
					if (old[i]!=value) {
						str = str + delimiter[id] +old[i];
					}
				}

				$.fn.tagsInput.importTags(this,str);

				if (tags_callbacks[id] && tags_callbacks[id]['onRemoveTag']) {
					var f = tags_callbacks[id]['onRemoveTag'];
					f.call(this, value);
				}
			});

			return false;
		};

	$.fn.tagExist = function(val) {
		var id = $(this).attr('id');
		var tagslist = $(this).val().split(delimiter[id]);
		return (jQuery.inArray(val, tagslist) >= 0); //true when tag exists, false when not
	};

   // clear all existing tags and import new ones from a string
   $.fn.importTags = function(str) {
      var 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',
      autocomplete: {selectFirst: false },
      hide:true,
      delimiter: ',',
      unique:true,
      removeWithBackspace:true,
      placeholderColor:'#666666',
      autosize: true,
      comfortZone: 20,
      inputPadding: 6*2
    },options);

    	var uniqueIdCounter = 0;

		this.each(function() {
         // If we have already initialized the field, do not do it again
         if (typeof $(this).attr('data-tagsinput-init') !== 'undefined') {
            return;
         }

         // Mark the field as having been initialized
         $(this).attr('data-tagsinput-init', true);

			if (settings.hide) {
				$(this).hide();
			}
			var id = $(this).attr('id');
			if (!id || delimiter[$(this).attr('id')]) {
				id = $(this).attr('id', 'tags' + new Date().getTime() + (uniqueIdCounter++)).attr('id');
			}

			var data = jQuery.extend({
				pid:id,
				real_input: '#'+id,
				holder: '#'+id+'_tagsinput',
				input_wrapper: '#'+id+'_addTag',
				fake_input: '#'+id+'_tag'
			},settings);

			delimiter[id] = data.delimiter;

			if (settings.onAddTag || settings.onRemoveTag || settings.onChange) {
				tags_callbacks[id] = new Array();
				tags_callbacks[id]['onAddTag'] = settings.onAddTag;
				tags_callbacks[id]['onRemoveTag'] = settings.onRemoveTag;
				tags_callbacks[id]['onChange'] = settings.onChange;
			}

			var markup = '<div id="'+id+'_tagsinput" class="tagsinput"><div id="'+id+'_addTag">';

			if (settings.interactive) {
				markup = markup + '<textarea class="tags-textarea" id="'+id+'_tag" spellcheck="false" data-default="'+settings.defaultText+'">
'; } markup = markup + '