Files
jQuery-Tags-Input/jquery.tagsinput.js
T

237 lines
6.8 KiB
JavaScript

/*
jQuery Tags Input Plugin 1.2.3
Copyright (c) 2010 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();
jQuery.fn.addTag = function(value,options) {
var options = jQuery.extend({focus:false},options);
var options = jQuery.extend({focus:false,callback:true},options);
this.each(function() {
id = $(this).attr('id');
var tagslist = $(this).val().split(delimiter[id]);
if (tagslist[0] == '') {
tagslist = new Array();
}
value = jQuery.trim(value);
if (options.unique) {
skipTag = $(tagslist).tagExist(value);
} else {
skipTag = false;
}
if (value !='' && skipTag != true) {
$('<span class="tag">'+value + '&nbsp;&nbsp;<a href="#" title="Remove tag" onclick="return $(\'#'+id + '\').removeTag(\'' + escape(value) + '\');">x</a></span>').insertBefore('#'+id+'_addTag');
tagslist.push(value);
$('#'+id+'_tag').val('');
if (options.focus) {
$('#'+id+'_tag').focus();
} else {
$('#'+id+'_tag').blur();
}
if (options.callback && tags_callbacks[id] && tags_callbacks[id]['onAddTag']) {
var f = tags_callbacks[id]['onAddTag'];
f(value);
}
}
jQuery.fn.tagsInput.updateTagsField(this,tagslist);
});
return false;
};
jQuery.fn.removeTag = function(value) {
this.each(function() {
id = $(this).attr('id');
var old = $(this).val().split(delimiter[id]);
$('#'+id+'_tagsinput .tag').remove();
str = '';
for (i=0; i< old.length; i++) {
if (escape(old[i])!=value) {
str = str + delimiter[id] +old[i];
}
}
jQuery.fn.tagsInput.importTags(this,str);
if (tags_callbacks[id] && tags_callbacks[id]['onRemoveTag']) {
var f = tags_callbacks[id]['onRemoveTag'];
f(value);
}
});
return false;
};
jQuery.fn.tagExist = function(val) {
if (jQuery.inArray(val, $(this)) == -1) {
return false; /* Cannot find value in array */
} else {
return true; /* Value found */
}
};
// clear all existing tags and import new ones from a string
jQuery.fn.importTags = function(str) {
$('#'+id+'_tagsinput .tag').remove();
jQuery.fn.tagsInput.importTags(this,str);
}
jQuery.fn.tagsInput = function(options) {
var settings = jQuery.extend({defaultText:'add a tag',minChars:0,width:'300px',height:'100px','hide':true,'delimiter':',',autocomplete:{selectFirst:false},'unique':true},options);
this.each(function() {
if (settings.hide) {
$(this).hide();
}
id = $(this).attr('id')
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) {
tags_callbacks[id] = new Array();
tags_callbacks[id]['onAddTag'] = settings.onAddTag;
tags_callbacks[id]['onRemoveTag'] = settings.onRemoveTag;
}
$('<div id="'+id+'_tagsinput" class="tagsinput"><div id="'+id+'_addTag"><input id="'+id+'_tag" value="" default="'+settings.defaultText+'" /></div><div class="tags_clear"></div></div>').insertAfter(this);
$(data.holder).css('width',settings.width);
$(data.holder).css('height',settings.height);
if ($(data.real_input).val()!='') {
jQuery.fn.tagsInput.importTags($(data.real_input),$(data.real_input).val());
} else {
$(data.fake_input).val($(data.fake_input).attr('default'));
$(data.fake_input).css('color','#666666');
}
$(data.holder).bind('click',data,function(event) {
$(event.data.fake_input).focus();
});
$(data.fake_input).bind('focus',data,function(event) {
if ($(event.data.fake_input).val()==$(event.data.fake_input).attr('default')) {
$(event.data.fake_input).val('');
}
$(event.data.fake_input).css('color','#000000');
});
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)});
}
});
$(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('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('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.
$(data.fake_input).bind('blur',data,function(event) {
var d = $(this).attr('default');
if ($(event.data.fake_input).val()!='' && $(event.data.fake_input).val()!=d) {
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)});
} else {
$(event.data.fake_input).val($(event.data.fake_input).attr('default'));
$(event.data.fake_input).css('color','#666666');
}
return false;
});
}
// if user types a comma, create a new tag
$(data.fake_input).bind('keypress',data,function(event) {
if (event.which==event.data.delimiter.charCodeAt(0) || event.which==13 ) {
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)});
return false;
}
});
$(data.fake_input).blur();
return false;
});
return this;
};
jQuery.fn.tagsInput.updateTagsField = function(obj,tagslist) {
id = $(obj).attr('id');
$(obj).val(tagslist.join(delimiter[id]));
};
jQuery.fn.tagsInput.importTags = function(obj,val) {
$(obj).val('');
id = $(obj).attr('id');
var tags = val.split(delimiter[id]);
for (i=0; i<tags.length; i++) {
$(obj).addTag(tags[i],{focus:false});
$(obj).addTag(tags[i],{focus:false,callback:false});
}
};
})(jQuery);