Add support for editing catalog cost in receiving batch, per new theme

had to add several "under the hood" features to make this work, to
embed a Vue component within grid `<td>` cells, etc.

tailbone/templates/grids/buefy.mako

@@ -221,8 +221,14 @@
                             % if grid.is_searchable(column['field']):
                             searchable
                             % endif
+                            cell-class="${column['field']}"
+                            % if grid.has_click_handler(column['field']):
+                            @click.native="${grid.click_handlers[column['field']]}"
+                            % endif
                             :visible="${json.dumps(column['visible'])}">
-              % if grid.is_linked(column['field']):
+              % if column['field'] in grid.raw_renderers:
+                  ${grid.raw_renderers[column['field']]()}
+              % elif grid.is_linked(column['field']):
                   <a :href="props.row._action_url_view" v-html="props.row.${column['field']}"></a>
               % else:
                   <span v-html="props.row.${column['field']}"></span>
@@ -349,6 +355,18 @@
 
       methods: {
 
+          addRowClass(index, className) {
+
+              // TODO: this may add duplicated name to class string
+              // (not a serious problem i think, but could be improved)
+              this.rowStatusMap[index] = (this.rowStatusMap[index] || '')
+                  + ' ' + className
+
+              // nb. for some reason b-table does not always "notice"
+              // when we update status; so we force it to refresh
+              this.$forceUpdate()
+          },
+
           getRowClass(row, index) {
               return this.rowStatusMap[index]
           },