sheet_pdf.rb in mork-0.7.0

- old
+ new

@@ -1,30 +1,30 @@
 require 'mork/grid_pdf'
 require 'prawn'
 
 module Mork
-  
+
   #TODO: read the prawn manual, we should probably use views
-  
+
   class SheetPDF < Prawn::Document
     def initialize(content, grip=GridPDF.new)
       @grip = case grip
               when String, Hash; GridPDF.new grip
               when Mork::GridPDF; grip
-              else raise 'Invalid initialization parameter'
+              else raise ArgumentError, 'Invalid initialization parameter'
               end
       super my_page_params
       # @content should be an array of hashes, one per page;
       # convert to array if a single hash was passed
       @content = content.class == Hash ? [content] : content
       process
     end
-    
+
     def save(fn)
       render_file fn
     end
-    
+
     def to_pdf
       render
     end
 
     private
@@ -33,11 +33,11 @@
       {
         page_size: @grip.page_size,
         margin:    @grip.margins
       }
     end
-    
+
     def process
       # for all sheets
       line_width 0.3
       font_size @grip.item_font_size
       create_stamps
@@ -50,40 +50,40 @@
         unless equal_choice_number?
           questions_and_choices ch_len[i]
         end
       end
     end
-    
+
     def make_repeaters
       if equal_choice_number?
         repeat(:all) do
           questions_and_choices ch_len.first
         end
       end
-      
+
       repeat(:all) do
         calibration_cells
         fill do
           @grip.reg_marks.each do |r|
             circle r[:p], r[:r]
           end
         end
       end
     end
-    
+
     def calibration_cells
       @grip.calibration_cells_xy.each { |c| stamp_at 'X', c }
     end
-    
+
     def barcode(code)
       # draw the dark calibration bar
       stamp_at 'barcode', @grip.ink_black_xy
       # draw the bars corresponding to the code
       # least to most significant bit, left to right
       @grip.barcode_xy_for(code).each { |c| stamp_at 'barcode', c }
     end
-    
+
     def header(content)
       content.each do |k,v|
         font_size @grip.header_size(k) do
           if @grip.header_boxed?(k)
             bounding_box @grip.header_xy(k), width: @grip.header_width(k), height: @grip.header_height(k) do
@@ -108,11 +108,11 @@
                  align: :right,
                  valign: :center
         stamp_at "s#{n}", @grip.item_xy(i)
       end
     end
-    
+
     def create_stamps
       create_choice_stamps
       create_stamp('X') do
         cell_stamp_content 'X', 0
       end
@@ -120,11 +120,11 @@
         fill do
           rectangle [0,0], @grip.barcode_width, @grip.barcode_height
         end
       end
     end
-    
+
     def create_choice_stamps
       ch_len.flatten.uniq.each do |t|
         create_stamp("s#{t}") do
           t.times do |i|
             cell_stamp_content letter_for(i), @grip.choice_spacing*i
@@ -143,22 +143,22 @@
                width:  @grip.width_of_cell,
                height: @grip.height_of_cell,
                align:  :center,
                valign: :center
     end
-    
+
     def equal_choice_number?
       return false unless ch_len.all? { |c| c.length == ch_len[0].length }
       ch_len[0].each_with_index do |c, i|
         return false unless ch_len.all? { |x| c == x[i] }
       end
       true
     end
-    
+
     def ch_len
       @all_choice_lengths ||= @content.collect { |c| c[:choices] }
     end
-    
+
     # Choices are labeled 'A', 'B', ...
     def letter_for(c)
       (65+c).chr
     end
   end