Module: NutritionLabelPlugin::ViewHelpers

Defined in:
lib/nutrition_label_plugin/view_helpers.rb

Constant Summary collapse

FAT_CAL_PER_GRAM = 
9
PROTEIN_CAL_PER_GRAM = 
4
CARB_CAL_PER_GRAM = 
4
CONVERT_TO_PERCENT = 
100
RDV_FAT = 
65
RDV_SAT_FAT = 
20
RDV_CHOLESTEROL = 
300
RDV_SODIUM = 
2400
RDV_CARB = 
300
RDV_FIBER = 
25
RDV_VIT_C = 
60
RDV_VIT_A = 
5000
RDV_IRON = 
18
RDV_CALCIUM = 
1000
RDV_FAT_2500 = 
80
RDV_SAT_FAT_2500 = 
25
RDV_CARB_2500 = 
375
RDV_FIBER_2500 = 
30

Instance Method Summary collapse

Instance Method Details

#create_base_label(nutrient) ⇒ Object 



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# File 'lib/nutrition_label_plugin/view_helpers.rb', line 26

def create_base_label(nutrient) 
  output =  
    "<div id='nutritionfactstable' style='float:left'>  
    <div> 
    #{ image_tag('nutritionFactslogo.jpg', :width => '207', :border => '0') } 
    </div> 
    <div id='servingsize'> 
    Serving Size 1 #{ nutrient[:name] if nutrient[:name] } (#{ sprintf '%1.f', 
      nutrient[:yield] if nutrient[:yield] }g) 
    <br> 
    Servings Per Container: #{ sprintf '%1.f', nutrient[:servings] if nutrient[:servings] } 
    </div>  
    <div id='thickseparator'></div> 
    <div id='label'>Amount Per Serving</div>  
    <div id='hairlineseparator'></div>  
    <div id='nutrient'> 
    <div id='right'>  
    <span id='nutrientcontent'>Calories from Fat #{ sprintf '%1.f', 
      nutrient[:fat]*FAT_CAL_PER_GRAM if nutrient[:fat]}</span>  
    </div>  
    Calories  
    <span id='nutrientcontent'>#{ sprintf '%1.f', 
      nutrient[:calories] if nutrient[:calories]}</span>  
    </div>  
    <div id='separator'></div>  
    <div id='label'>  
    <div id='right'>%Daily Value*</div> 
    &#8194;  
    </div> 
    <div id='hairlineseparator'></div> 
    <div id='nutrient'>  
    <div id='right'> 
    #{ sprintf '%1.d',nutrient[:fat]*CONVERT_TO_PERCENT/RDV_FAT if nutrient[:fat] }<span id=
      'nutrientcontent'>%</span> 
    </div> 
    Total Fat  
    <span id='nutrientcontent'>#{ sprintf '%1.d',nutrient[:fat] if nutrient[:fat] }g</span>  
    <div id='subhairlineseparator'></div>  
    <div id='nutrientsubgroup'>  
    <div id='subright'>  
    #{ sprintf '%1.f', nutrient[:saturated_fat]*CONVERT_TO_PERCENT/RDV_SAT_FAT if 
      nutrient[:saturated_fat] }<span id='nutrientcontent'>%</span>
    </div>  
    Saturated Fat   
    <span id='nutrientcontent'>#{ sprintf '%1.f', 
      nutrient[:saturated_fat] if nutrient[:saturated_fat] }g</span>  
    </div>  
    <div id='subhairlineseparator'></div> 
    <div id='nutrientsubgroup'> 
    <i>Trans </i> 
    Fat 
    <span id='nutrientcontent'>#{ sprintf '%1.f', 
      nutrient[:trans_fat] if nutrient[:trans_fat] }g</span>  
    </div>  
    <div id='hairlineseparator'></div>  
    <div id='nutrient'> 
    <div id='right'>  
    #{ sprintf '%1.f', nutrient[:cholesterol]*CONVERT_TO_PERCENT/RDV_CHOLESTEROL if nutrient[:cholesterol] }<span id='nutrientcontent'>%</span>  
    </div>  
    Cholesterol 
    <span id='nutrientcontent'>#{ sprintf '%1.f', 
      nutrient[:cholesterol] if nutrient[:cholesterol] }mg</span> 
    </div>  
    <div id='hairlineseparator'></div>  
    <div id='nutrient'> 
    <div id='right'>  
    #{ sprintf '%1.f', nutrient[:sodium]*CONVERT_TO_PERCENT/RDV_SODIUM if nutrient[:sodium] }<span id='nutrientcontent'>%</span> 
    </div>  
    Sodium  
    <span id='nutrientcontent'>#{ sprintf '%1.f', 
      nutrient[:sodium] if nutrient[:sodium] }mg</span> 
    </div>  
    <div id='hairlineseparator'></div>  
    <div id='nutrient'> 
    <div id='right'>  
    #{ sprintf '%1.f', nutrient[:carbohydrate]*CONVERT_TO_PERCENT/RDV_CARB if nutrient[:carbohydrate] }<span id='nutrientcontent'>%</span>  
    </div>  
    Total Carbohydrate  
    <span id='nutrientcontent'>#{ sprintf '%1.f', 
      nutrient[:carbohydrate] if nutrient[:carbohydrate] }g</span>  
    </div>  
    <div id='subhairlineseparator'></div> 
    <div id='nutrientsubgroup'> 
    <div id='subright'> 
    #{ sprintf '%1.f', nutrient[:fiber]*CONVERT_TO_PERCENT/RDV_FIBER if nutrient[:fiber] }<span id='nutrientcontent'>%</span>
    </div>  
    Dietary Fiber 
    <span id='nutrientcontent'>#{ sprintf '%1.f', 
      nutrient[:fiber] if nutrient[:fiber] }g</span>  
    </div>  
    <div id='subhairlineseparator'></div> 
    <div id='nutrientsubgroup'> 
    Sugars  
    <span id='nutrientcontent'>#{ sprintf '%1.f', 
      nutrient[:sugar] if nutrient[:sugar] }g</span>  
    </div>  
    <div id='hairlineseparator'></div>  
    <div id='nutrient'> 
    Protein 
    <span id='nutrientcontent'>#{ sprintf '%1.f', 
      nutrient[:sugar] if nutrient[:sugar] }g</span>  
    </div>  
    </div>    
    <div id='thickseparator'></div> 
    <div id='vitamin'>  
    <div id='vitaminright'>Vitamin C #{ sprintf '%1.f', 
      nutrient[:vitamin_C]*CONVERT_TO_PERCENT/RDV_VIT_C if nutrient[:vitamin_C] }%</div>  
    <div id='vitaminbullet'>&#8226;</div> 
    Vitamin A #{ sprintf '%1.f', nutrient[:vitamin_A]*CONVERT_TO_PERCENT/RDV_VIT_A if nutrient[:vitamin_A] }% 
    </div>  
    <div id='hairlineseparator'></div>  
    <div id='vitamin'>  
    <div id='vitaminright'>Iron #{ sprintf '%1.f', 
      nutrient[:Iron]*CONVERT_TO_PERCENT/RDV_IRON if nutrient[:Iron] }%</div> 
    <div id='vitaminbullet'>&#8226;</div> 
    Calcium #{ sprintf '%1.f', nutrient[:calcium]*CONVERT_TO_PERCENT/RDV_CALCIUM if nutrient[:calcium] }% 
    </div>        
    <div id='hairlineseparator'></div>  
    <div id='asterisksection'>  
    * Percent Daily Values are based on a 2,000 calorie diet. 
      Your daily values may be higher or lower depending on your calorie needs: 
    <div id='hairlineseparator'></div>  
    <table id='asterisksection' width='207' frame='below' 
    rules='groups' border='1' cellspacing='0'>  
    <thead> 
    <tr id='hairlineseparator'> 
    <td></td>
    <td>Calories:</td>
    <td>2,000</td>
    <td>2,500</td>
    </tr>
    </thead>  
    <tbody> 
    <tr>  
    <td>Total Fat</td>
    <td>Less than</td>
    <td>#{RDV_FAT}g</td>
    <td>#{RDV_FAT_2500}g</td>
    </tr>
    <tr>  
    <td>&#8194;Sat Fat</td>
    <td>Less than</td>
    <td>#{RDV_SAT_FAT}g</td>
    <td>#{RDV_SAT_FAT_2500}g</td>
    </tr>
    <tr>  
    <td>Cholesterol</td>
    <td>Less than</td>
    <td>#{RDV_CHOLESTEROL}mg</td>
    <td>#{RDV_CHOLESTEROL}mg</td>
    </tr>
    <tr>  
    <td>Sodium</td>
    <td>Less than</td>
    <td>#{RDV_SODIUM}mg</td>
    <td>#{RDV_SODIUM}mg</td>
    </tr>
    <tr>
    <td>Total Carb</td>
    <td></td>
    <td>#{RDV_CARB}g</td>
    <td>#{RDV_CARB_2500}g</td>
    </tr>
    <tr>
    <td>&#8194;Dietary Fiber</td>
    <td></td>
    <td>#{RDV_FIBER}g</td>
    <td>#{RDV_FIBER}g</td>
    </tr>
    <tr id='hairlineseparator'>
    </tr>
    </tbody>  
    </table>  
    </div>  
    </div>  
    </div>"   
    output.html_safe  
end

#pre(text) ⇒ Object 



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# File 'lib/nutrition_label_plugin/view_helpers.rb', line 3

def pre(text)
  content_tag :pre, text
end