bitbake: toaster: warn new filter replaces existing filter

If the user pop-ups a filter dialog when another filter is already
active, warn the user that the new filter would replace the
previous filter.

[YOCTO #5960]

(Bitbake rev: 6be58123fcdb0ff20de2a88315e1e3012effd1d3)

Signed-off-by: David Reyna <David.Reyna@windriver.com>
Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/toaster/toastergui/static/css/default.css

@@ -105,6 +105,7 @@ select { width: auto; }
 .no-results { margin: 10px 0; }
 .task-name { margin-left: 7px; }
 .icon-hand-right {color: #ccccc; }
+.help-inline { margin: 5px; }
 
 
 

bitbake/lib/toaster/toastergui/templates/filtersnippet.html

@@ -28,6 +28,11 @@
         </div>
         <div class="modal-footer">
             <button type="submit" class="btn btn-primary">Apply</button>
+            {% if request.GET.filter %}
+                {% if request.GET.filter|string_remove_regex:':.*' != f.options.0.1|string_remove_regex:':.*' %}
+                <span class="help-inline pull-left">You can only apply one filter to the table. This filter will override the current filter.</span>
+                {% endif %}
+            {% endif %}
         </div>
 </form>
 

bitbake/lib/toaster/toastergui/templatetags/projecttags.py

@@ -188,6 +188,12 @@ def string_slice(strvar,slicevar):
     else:
         return strvar[int(first):int(last)]
 
+@register.filter
+def string_remove_regex(value,ex):
+    """ remove sub-string of string that matches regex
+    """
+    return re.sub(ex, '', value)
+
 @register.filter
 def filtered_installedsize(size, installed_size):
     """If package.installed_size not null and not empty return it,