Add customizable whiteboard categories

Fixes #1088
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/migrations/0063_whiteboardmessage_category.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.5 on 2016-04-25 17:44
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('trans', '0062_auto_20160419_1429'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='whiteboardmessage',
+            name='category',
+            field=models.CharField(choices=[(b'info', 'Info (light blue)'), (b'warning', 'Warning (yellow)'), (b'danger', 'Danger (red)'), (b'success', 'Success (green)'), (b'primary', 'Primary (dark blue)')], default=b'info', help_text='Category matches Bootstrap ones and defines color used for the message.', max_length=25, verbose_name='Category'),
+        ),
+    ]

weblate/trans/models/whiteboard.py

@@ -85,6 +85,22 @@ class WhiteboardMessage(models.Model):
         null=True,
         blank=True
     )
+    category = models.CharField(
+        max_length=25,
+        verbose_name=ugettext_lazy('Category'),
+        help_text=ugettext_lazy(
+            'Category matches Bootstrap ones and '
+            'defines color used for the message.'
+        ),
+        choices=(
+            ('info', ugettext_lazy('Info (light blue)')),
+            ('warning', ugettext_lazy('Warning (yellow)')),
+            ('danger', ugettext_lazy('Danger (red)')),
+            ('success', ugettext_lazy('Success (green)')),
+            ('primary', ugettext_lazy('Primary (dark blue)')),
+        ),
+        default='info',
+    )
 
     objects = WhiteboardManager()
 

weblate/trans/templatetags/translations.py

@@ -603,7 +603,7 @@ def whiteboard_messages(project=None, subproject=None, language=None):
             render_to_string(
                 'message.html',
                 {
-                    'tags': 'info whiteboard',
+                    'tags': ' '.join((whiteboard.category, 'whiteboard')),
                     'message': mark_safe(
                         urlize(whiteboard.message, autoescape=True)
                     )