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38 lines
946 B
CoffeeScript
38 lines
946 B
CoffeeScript
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###
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# jCounter - a simple character counter
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#
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# @author Maximilian Mader
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# @copyright 2011 Maximilian Mader
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# @license Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>
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# @package jQuery.jCounter
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###
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(($) ->
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$.fn.jCounter = (max, options) ->
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max ?= 140
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options = $.extend
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container: '<span></span>'
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counterClass: 'counter'
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countUp: false
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, options
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jCounterContainer = $ options.container
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this.on 'keypress keydown keyup', $.proxy () ->
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if options.countUp
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length = this.val().length
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else
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length = maxChars - this.val().length
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if options.countUp
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color = 1
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else
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if length > maxChars / 2
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color = 1
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else if length <= maxChars / 2 and length >= maxChars / 6
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color = 2
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else
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color = 3
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jCounterContainer.text(length).attr('class', '').addClass(options.counterClass + ' color-'+color)
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, this
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)(jQuery)
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