anchor.diff:  																			th Quantity
   																			th Cost
   																			th Expiry Date
  -																			th Condition
   																			th(width="5%")
   																	tbody
   																		tr(ng-repeat="purchase_item in purchase.purchase_items track by $index")
  
positive.code: 									.portlet-title
  										.caption
  											i.fa.fa-reorder
  											| SHIPMENT ITEMS
  										.tools
  											a.collapse(href="javascript:;")
  									.portlet-body.form
  
negative.code: 															.col-xs-12.col-sm-12.col-md-12.col-lg-12
  																input.form-control(type="text", ng-model="purchase_item.product.expiry_date" , datepicker-popup="{{format}}", ng-disabled="action=='read'")
  																span.col-md-12.help-block	Expiry Date
  													.col-md-1
  														button.btn-sm.green.custom-right(type="button",ng-click="addItem(purchase_item.product)")
  															i.fa.fa-plus
  