[IMP] stock: report to print locations barcodes

Print 4 barcodes per page, in a disposition that is practical to print on stickers.

addons/stock/views/report_location_barcode.xml

@@ -2,26 +2,43 @@
 <openerp>
 <data>
 <template id="report_location_barcode">
+    <style type="text/css">
+        .barcode {
+            position: absolute;
+            -webkit-transform: rotate(90deg);
+            width: 300px;
+            margin-left: -150px;
+            height: 50px;
+            margin-top: -25px;
+        }
+        .barcode:nth-child(1) {
+            top: 47mm;
+            left: 75%;
+        }
+        .barcode:nth-child(2) {
+            top: 161mm;
+            left: 75%;
+        }
+        .barcode:nth-child(3) {
+            top: 47mm;
+            left: 25%;
+        }
+        .barcode:nth-child(4) {
+            top: 161mm;
+            left: 25%;
+        }
+    </style>
     <t t-call="report.html_container">
-        <t t-foreach="docs" t-as="o">
-            <t>
-                <div class="page">
-                    <div class="oe_structure"/>
-                    <div class="row">
-                        <div class="col-xs-6 mt6">
-                            <table class="table table-condensed" style="border-bottom: 3px solid black !important;"><thead><th> </th></thead></table>
-                            <img t-if="not o.barcode" t-att-src="'/report/barcode/?type=%s&amp;value=%s&amp;width=%s&amp;height=%s' % ('Code128', o.name, 600, 100)" style="width:300px;height:50px"/>
-                            <img t-if="o.barcode" t-att-src="'/report/barcode/?type=%s&amp;value=%s&amp;width=%s&amp;height=%s' % ('Code128', o.barcode, 600, 100)" style="width:300px;height:50px"/>
-                            <p>
-                            <span t-if="not o.barcode" t-field="o.name"/>
-                            <span t-if="o.barcode" t-field="o.barcode"/>
-                            </p>
-                        </div>
-                    </div>
-                </div>
-            </t>
+        <t t-foreach="[docs[x:x+4] for x in xrange(0, len(docs), 4)]" t-as="page_docs">
+            <div class="page">
+                <t t-foreach="page_docs" t-as="o">
+                    <t t-if="o.barcode"><t t-set="content" t-value="o.barcode"/></t>
+                    <t t-if="not o.barcode"><t t-set="content" t-value="o.name"/></t>
+                    <img class="barcode" t-att-src="'/report/barcode/?type=%s&amp;value=%s&amp;width=%s&amp;height=%s&amp;humanreadable=1' % ('Code128', content, 600, 100)"/>
+                </t>
+            </div>
         </t>
     </t>
 </template>
 </data>
-</openerp>
\ No newline at end of file
+</openerp>