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48 lines
1.3 KiB
CoffeeScript
48 lines
1.3 KiB
CoffeeScript
###
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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 = (container, options) ->
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options = $.extend
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max: 0
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counterClass: 'jsCounter'
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countUp: false
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, options
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if this.attr('maxlength')
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max = this.attr('maxlength')
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else max = options.max
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if !container
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this.wrap('<div class="jsCounterContainer"><div></div></div>').parent().append('<div class="' + options.counterClass + ' color-1">' + max + '</div>');
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jCounterContainer = $(this).parent().children('.' + options.counterClass)
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else
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if typeof container is 'object'
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jCounterContainer = container
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else
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jCounterContainer = $ container
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this.on 'keypress 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 = max - 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 > max / 2
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color = 1
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else if length <= max / 2 and length >= max / 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) |