Use material design icons

issue474
review60291002

purchase.py

@@ -143,8 +143,9 @@ class Quotation(Workflow, ModelSQL, ModelView):
                     },
                 'draft': {
                     'invisible': ~Eval('state').in_(['cancelled', 'sent']),
-                    'icon': If(Eval('state') == 'cancel', 'tryton-clear',
-                        'tryton-go-previous'),
+                    'icon': If(Eval('state') == 'cancel',
+                        'tryton-undo',
+                        'tryton-back'),
                     },
                 'send': {
                     'invisible': ((Eval('state') != 'draft')

view/purchase_request_quotation_form.xml

@@ -30,7 +30,7 @@ this repository contains the full copyright notices and license terms. -->
                         icon="tryton-cancel"/>
                     <button name="reject" string="Reject" icon="tryton-close"/>
                     <button name="draft" string="Draft"/>
-                    <button name="send" string="Send" icon="tryton-go-next"/>
+                    <button name="send" string="Send" icon="tryton-forward"/>
                     <button name="receive" string="Receive" icon="tryton-ok"/>
                 </group>
             </group>