Allow to create stock_article as copy of article in delivery form

app/assets/javascripts/application.js

@@ -142,6 +142,9 @@ $(function() {
     // Sort tables with a default sort
     $('.sorter-bar.default-sort-asc button:nth-child(1)').trigger('click');
     $('.sorter-bar.default-sort-desc button:nth-child(2)').trigger('click');
+    
+    // Translate Select2 messages - could be done in another place, right?
+    $.fn.select2.defaults.formatNoMatches = function () { return "-"; };
 });
 
 // compare two elements interpreted as text

app/assets/stylesheets/bootstrap_and_overrides.css.less

@@ -42,6 +42,12 @@ body {
     dd { .clearfix(); }
 }
 
+// Fix nested content in btn-toolbar and btn-group, see https://github.com/twitter/bootstrap/issues/5497#issuecomment-10038711
+.btn-toolbar > *,
+.btn-group > * {
+  font-size: @baseFontSize;
+}
+
 @mainRedColor: #ED0606;
 
 .logo {

app/controllers/deliveries_controller.rb

@@ -50,10 +50,15 @@ class DeliveriesController < ApplicationController
   end
 
   def new_stock_article
-    @old_stock_article = StockArticle.find_by_id(params[:old_stock_article_id])
+    if params[:old_stock_article_id]
+      old_article = StockArticle.find_by_id(params[:old_stock_article_id])
+    elsif params[:old_article_id]
+      old_article = Article.find_by_id(params[:old_article_id])
+      old_article = old_article.becomes(StockArticle) unless old_article.nil?
+    end
     
-    unless @old_stock_article.nil?
+    unless old_article.nil?
-      @stock_article = @old_stock_article.dup
+      @stock_article = old_article.dup
     else
       @stock_article = @supplier.stock_articles.build
     end

app/helpers/deliveries_helper.rb

@@ -14,6 +14,10 @@ module DeliveriesHelper
     supplier.stock_articles.undeleted.reorder('articles.name ASC').map {|a| ["#{a.name} (#{number_to_currency a.price}/#{a.unit})", a.id] }
   end
 
+  def articles_for_select(supplier)
+    supplier.articles.undeleted.reorder('articles.name ASC').map {|a| ["#{a.name} (#{number_to_currency a.price}/#{a.unit})", a.id] }.unshift(['', nil])
+  end
+
   def stock_articles_for_table(supplier)
     supplier.stock_articles.undeleted.reorder('articles.name COLLATE NOCASE ASC')
   end

app/views/deliveries/_form.html.haml

@@ -16,7 +16,22 @@
         unmark_article_unavailable_for_delivery( stock_change.data('id') );
         return false;
       })
+      $('#copy_from_article').select2({
+        placeholder: "Kopiere Bestellartikel",
+        allowClear: true
+      }).on('change', function(e) {
+        if(e.val != '') {
+          $.ajax({
+            url: '#{new_stock_article_supplier_deliveries_path(@supplier)}',
+            type: 'get',
+            data: {old_article_id: e.val},
+            contentType: 'application/json; charset=UTF-8'
+          });
+          $('#copy_from_article').select2('data', null);
+        }
+      });
     });
+    
     function mark_article_unavailable_for_delivery(stock_article_id) {
       var articleTr = $('#stock_article_' + stock_article_id);
       articleTr.addClass('unavailable');
@@ -39,11 +54,12 @@
   .row-fluid
       
     .span6
-      %h2 #{t '.title_select_stock_articles'}
+      %h2= t '.title_select_stock_articles'
       .well.well-small
         .btn-toolbar
           .btn-group
             = link_to t('.new_stock_article'), new_stock_article_supplier_deliveries_path(@supplier), remote: true, class: 'btn'
+            = select_tag(:copy_from_article, options_for_select(articles_for_select(@supplier)))
       %table.table.table-condensed.table-hover#stock_articles_for_adding
         %thead
           %tr
@@ -62,7 +78,7 @@
             = render :partial => 'stock_article_for_adding', :locals => {:article => article}
     
     .span6
-      %h2 #{t '.title_fill_quantities'}
+      %h2= t '.title_fill_quantities'
       %table.table.table-condensed#stock_changes
         %thead
           %tr
@@ -88,7 +104,7 @@
                 = stock_change_form.hidden_field :_destroy
                 = link_to t('.remove_article'), "#", :class => 'destroy_stock_change btn btn-small'
       
-      %h2 #{t '.title_finish_delivery'}
+      %h2= t '.title_finish_delivery'
       = f.input :delivered_on, as: :date_picker
       = f.input :note, input_html: {size: '35x4'}
       .form-actions

app/views/deliveries/_stock_article_form.html.haml

@@ -1,5 +1,5 @@
 - url = ( stock_article.new_record? ) ? ( add_stock_article_supplier_deliveries_path(@supplier) ) : ( update_stock_article_supplier_deliveries_path(@supplier) )
-= simple_form_for stock_article, url: url, remote: true, validate: true do |f|
+= simple_form_for stock_article, url: url, remote: true do |f|
   = f.hidden_field :supplier_id
   - unless stock_article.new_record?
     = f.hidden_field :id