Add basic support for deletion speedbump for row data

tailbone/newgrids/core.py

@@ -47,7 +47,7 @@ class Grid(object):
                  sortable=False, sorters={}, default_sortkey=None, default_sortdir='asc',
                  pageable=False, default_pagesize=20, default_page=1,
                  width='auto', checkboxes=False, row_attrs={}, cell_attrs={},
-                 **kwargs):
+                 delete_speedbump=False, **kwargs):
         self.key = key
         self.request = request
         self.columns = columns
@@ -55,6 +55,7 @@ class Grid(object):
         self.main_actions = main_actions
         self.more_actions = more_actions
         self.joiners = joiners or {} # use new/different empty dict for each instance
+        self.delete_speedbump = delete_speedbump
 
         # Set extra attributes first, in case other init logic depends on any
         # of them (i.e. in subclasses).
@@ -560,9 +561,12 @@ class Grid(object):
             classes.append('full')
         if self.checkboxes:
             classes.append('selectable')
-        return {'class_': ' '.join(classes),
+        attrs = {'class_': ' '.join(classes),
                 'data-url': self.request.current_route_url(_query=None),
                 'data-permalink': self.request.current_route_url()}
+        if self.delete_speedbump:
+            attrs['data-delete-speedbump'] = 'true'
+        return attrs
 
     def iter_visible_columns(self):
         """

tailbone/static/js/jquery.ui.tailbone.js

@@ -185,6 +185,13 @@
             this.element.on('mouseleave', '.actions div.more', function() {
                 $(this).hide();
             });
+
+            // Add speed bump for "Delete Row" action, if grid is so configured.
+            if (this.grid.data('delete-speedbump')) {
+                this.element.on('click', 'tbody td.actions a.delete', function() {
+                    return confirm("Are you sure you wish to delete this object?");
+                });
+            }
         },
 
         // Refreshes the visible data within the grid, according to the given settings.

tailbone/views/master.py

@@ -84,6 +84,7 @@ class MasterView(View):
     rows_creatable = False
     rows_editable = False
     rows_deletable = False
+    rows_deletable_speedbump = False
     rows_bulk_deletable = False
 
     @property
@@ -445,6 +446,7 @@ class MasterView(View):
             # delete action
             if self.rows_deletable and self.request.has_perm('{}.delete_row'.format(permission_prefix)):
                 actions.append(grids.GridAction('delete', icon='trash', url=self.row_delete_action_url))
+                defaults['delete_speedbump'] = self.rows_deletable_speedbump
 
             defaults['main_actions'] = actions