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Tims-Chat/file/js/jCounter.jQuery.coffee
2012-03-11 15:07:28 +01:00

62 lines
1.7 KiB
CoffeeScript

###
# jCounter - a simple character counter
#
# @author Maximilian Mader
# @copyright 2011 Maximilian Mader
# @license Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>
# @package jQuery.jCounter
###
(($) ->
$.fn.jCounter = (container, options) ->
options = $.extend
max: 0
counterClass: 'jCounter'
countUp: false
cssFile: 'wcf/style/jCounter.css'
width: '100%'
, options
if this.attr('maxlength')
max = this.attr('maxlength')
else max = options.max
if $('#jCounterCSS').length == 0
$('head').append('<link id="jCounterCSS" rel="stylesheet" type="text/css" href="' + options.cssFile + '" >')
if !container
if !this.hasClass('jCounterInput')
this.addClass('jCounterInput')
this.wrap('<div class="jCounterContainer" style="width: ' + options.width + '"><div></div></div>').parent().append('<div class="' + options.counterClass + ' color-1">' + max + '</div>');
jCounterContainer = $(this).parent().children('.' + options.counterClass)
else
if typeof container is 'object'
jCounterContainer = container
else
jCounterContainer = $ container
this.on 'keypress keyup', $.proxy () ->
if options.countUp
length = this.val().length
else
length = max - this.val().length
if options.countUp && max > 0
if length < max / 2
color = 1
else if length >= max / 2 and length <= max / 1.2
color = 2
else
color = 3
else if options.countUp
color = 1
else
if length > max / 2
color = 1
else if length <= max / 2 and length >= max / 6
color = 2
else
color = 3
jCounterContainer.text(length).attr('class', '').addClass(options.counterClass + ' color-'+color)
, this
)(jQuery)