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67 lines
1.7 KiB
CoffeeScript
Executable File
67 lines
1.7 KiB
CoffeeScript
Executable File
class Morris.Area extends Morris.Line
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# Initialise
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#
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areaDefaults =
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fillOpacity: 'auto'
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behaveLikeLine: false
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constructor: (options) ->
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return new Morris.Area(options) unless (@ instanceof Morris.Area)
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areaOptions = $.extend {}, areaDefaults, options
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@cumulative = not areaOptions.behaveLikeLine
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if areaOptions.fillOpacity is 'auto'
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areaOptions.fillOpacity = if areaOptions.behaveLikeLine then .8 else 1
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super(areaOptions)
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# calculate series data point coordinates
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#
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# @private
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calcPoints: ->
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for row in @data
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row._x = @transX(row.x)
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total = 0
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row._y = for y in row.y
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if @options.behaveLikeLine
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@transY(y)
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else
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total += (y || 0)
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@transY(total)
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row._ymax = Math.max row._y...
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# draw the data series
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#
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# @private
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drawSeries: ->
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@seriesPoints = []
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if @options.behaveLikeLine
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range = [0..@options.ykeys.length-1]
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else
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range = [@options.ykeys.length-1..0]
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for i in range
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@_drawFillFor i
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@_drawLineFor i
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@_drawPointFor i
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_drawFillFor: (index) ->
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path = @paths[index]
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if path isnt null
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path = path + "L#{@transX(@xmax)},#{@bottom}L#{@transX(@xmin)},#{@bottom}Z"
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@drawFilledPath path, @fillForSeries(index)
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fillForSeries: (i) ->
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color = Raphael.rgb2hsl @colorFor(@data[i], i, 'line')
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Raphael.hsl(
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color.h,
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if @options.behaveLikeLine then color.s * 0.9 else color.s * 0.75,
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Math.min(0.98, if @options.behaveLikeLine then color.l * 1.2 else color.l * 1.25))
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drawFilledPath: (path, fill) ->
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@raphael.path(path)
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.attr('fill', fill)
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.attr('fill-opacity', @options.fillOpacity)
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.attr('stroke', 'none')
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