Truncate text

util.coffee

	# This function truncates multiple line texts
	# @pre - set 'line-height' prop for container
	# @param container - jQuery elem holding the text
	# @param text - text to truncate
	# @param lines - number of text lines in container
	truncateText: (container, text, lines) ->
		container.text text
		maxHeight = lines * parseFloat container.css 'line-height'
		# return original text w/o '...'
		return text if container.innerHeight() <= maxHeight

		# remove word by word and check the new height
		truncatedText = container.text()
		while container.innerHeight() > maxHeight
			truncatedText = truncatedText.replace /\s.[^\s]*\s?$/, ''
			container.text truncatedText

		truncatedText.substr(0, truncatedText.length - 3) + '\u2026' # <- '...'