lib/gruffy/side_stacked_bar.rb in gruffy-1.0.4 vs lib/gruffy/side_stacked_bar.rb in gruffy-1.1.0
- old
+ new
@@ -1,21 +1,15 @@
require File.dirname(__FILE__) + '/base'
require File.dirname(__FILE__) + '/side_bar'
require File.dirname(__FILE__) + '/stacked_mixin'
-##
-# New gruffy graph type added to enable sideways stacking bar charts
-# (basically looks like a x/y flip of a standard stacking bar chart)
-#
-# alun.eyre@googlemail.com
-
class Gruffy::SideStackedBar < Gruffy::SideBar
include StackedMixin
# Spacing factor applied between bars
attr_accessor :bar_spacing
-
+
def draw
@has_left_labels = true
get_maximum_by_stack
super
end
@@ -40,30 +34,28 @@
@norm_data.each_with_index do |data_row, row_index|
data_row[DATA_VALUES_INDEX].each_with_index do |data_point, point_index|
## using the original calcs from the stacked bar chart to get the difference between
## part of the bart chart we wish to stack.
- temp1 = @graph_left + (@graph_width -
- data_point * @graph_width -
- height[point_index]) + 1
- temp2 = @graph_left + @graph_width - height[point_index] - 1
+ temp1 = @graph_left + (@graph_width - data_point * @graph_width - height[point_index])
+ temp2 = @graph_left + @graph_width - height[point_index]
difference = temp2 - temp1
@d = @d.fill data_row[DATA_COLOR_INDEX]
left_x = length[point_index] #+ 1
left_y = @graph_top + (@bar_width * point_index) + padding
right_x = left_x + difference
right_y = left_y + @bar_width * @bar_spacing
length[point_index] += difference
height[point_index] += (data_point * @graph_width - 2)
-
+
if @show_labels_for_bar_values
label_values[point_index][:value] += @norm_data[row_index][3][point_index]
label_values[point_index][:right_x] = right_x
end
-
+
# if a data point is 0 it can result in weird really thing lines
# that shouldn't even be there being drawn on top of the existing
# bar - this is bad
if data_point != 0
@d = @d.rectangle(left_x, left_y, right_x, right_y)
@@ -80,11 +72,11 @@
label_values.each_with_index do |data, i|
val = (@label_formatting || "%.2f") % data[:value]
draw_value_label(data[:right_x]+40, (@graph_top + (((i+1) * @bar_width) - (@bar_width / 2)))-12, val.commify, true)
end
end
-
- @d.draw(@base_image)
+
+ @d.draw(@base_image)
end
def larger_than_max?(data_point, index=0)
max(data_point, index) > @maximum_value
end