From 5f4442f023d185d486800c6bcb4ad0f979afba0f Mon Sep 17 00:00:00 2001
From: Rodrigo Ferreira de Souza <rodfersou@gmail.com>
Date: Mon, 29 Feb 2016 14:51:48 -0300
Subject: [PATCH] Fix drop collection into caroussel tile

---
 CHANGES.rst                                   |  4 ++
 .../cover/tests/test_carousel_tile.py         | 44 +++++++++++++++++++
 src/collective/cover/tiles/carousel.py        | 13 ++++--
 3 files changed, 58 insertions(+), 3 deletions(-)

diff --git a/CHANGES.rst b/CHANGES.rst
index 2ca39eef4..f0ad8a97d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -6,6 +6,9 @@ There's a frood who really knows where his towel is.
 1.0a13 (unreleased)
 ^^^^^^^^^^^^^^^^^^^
 
+- Accept collection and folder objects into carousel tile (closes `574`_).
+  [rodfersou]
+
 - Shows message to user if an exception is thrown in a tile (closes `#581`_).
   [idgserpro]
 
@@ -737,6 +740,7 @@ There's a frood who really knows where his towel is.
 .. _`#534`: https://github.com/collective/collective.cover/issues/534
 .. _`#543`: https://github.com/collective/collective.cover/issues/543
 .. _`#559`: https://github.com/collective/collective.cover/issues/559
+.. _`#574`: https://github.com/collective/collective.cover/issues/574
 .. _`#581`: https://github.com/collective/collective.cover/issues/581
 .. _`#584`: https://github.com/collective/collective.cover/issues/584
 .. _`PloneFormGen`: https://pypi.python.org/pypi/Products.PloneFormGen
diff --git a/src/collective/cover/tests/test_carousel_tile.py b/src/collective/cover/tests/test_carousel_tile.py
index dc60cee81..7a02c3c20 100644
--- a/src/collective/cover/tests/test_carousel_tile.py
+++ b/src/collective/cover/tests/test_carousel_tile.py
@@ -5,12 +5,34 @@
 from collective.cover.tiles.carousel import ICarouselTile
 from collective.cover.tiles.carousel import UUIDSFieldDataConverter
 from collective.cover.widgets.textlinessortable import TextLinesSortableWidget
+from plone import api
 from plone.tiles.interfaces import ITileDataManager
 from plone.uuid.interfaces import IUUID
 
 import unittest
 
 
+zptlogo = (
+    'GIF89a\x10\x00\x10\x00\xd5\x00\x00\xff\xff\xff\xff\xff\xfe\xfc\xfd\xfd'
+    '\xfa\xfb\xfc\xf7\xf9\xfa\xf5\xf8\xf9\xf3\xf6\xf8\xf2\xf5\xf7\xf0\xf4\xf6'
+    '\xeb\xf1\xf3\xe5\xed\xef\xde\xe8\xeb\xdc\xe6\xea\xd9\xe4\xe8\xd7\xe2\xe6'
+    '\xd2\xdf\xe3\xd0\xdd\xe3\xcd\xdc\xe1\xcb\xda\xdf\xc9\xd9\xdf\xc8\xd8\xdd'
+    '\xc6\xd7\xdc\xc4\xd6\xdc\xc3\xd4\xda\xc2\xd3\xd9\xc1\xd3\xd9\xc0\xd2\xd9'
+    '\xbd\xd1\xd8\xbd\xd0\xd7\xbc\xcf\xd7\xbb\xcf\xd6\xbb\xce\xd5\xb9\xcd\xd4'
+    '\xb6\xcc\xd4\xb6\xcb\xd3\xb5\xcb\xd2\xb4\xca\xd1\xb2\xc8\xd0\xb1\xc7\xd0'
+    '\xb0\xc7\xcf\xaf\xc6\xce\xae\xc4\xce\xad\xc4\xcd\xab\xc3\xcc\xa9\xc2\xcb'
+    '\xa8\xc1\xca\xa6\xc0\xc9\xa4\xbe\xc8\xa2\xbd\xc7\xa0\xbb\xc5\x9e\xba\xc4'
+    '\x9b\xbf\xcc\x98\xb6\xc1\x8d\xae\xbaFgs\x00\x00\x00\x00\x00\x00\x00\x00'
+    '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
+    '\x00,\x00\x00\x00\x00\x10\x00\x10\x00\x00\x06z@\x80pH,\x12k\xc8$\xd2f\x04'
+    '\xd4\x84\x01\x01\xe1\xf0d\x16\x9f\x80A\x01\x91\xc0ZmL\xb0\xcd\x00V\xd4'
+    '\xc4a\x87z\xed\xb0-\x1a\xb3\xb8\x95\xbdf8\x1e\x11\xca,MoC$\x15\x18{'
+    '\x006}m\x13\x16\x1a\x1f\x83\x85}6\x17\x1b $\x83\x00\x86\x19\x1d!%)\x8c'
+    '\x866#\'+.\x8ca`\x1c`(,/1\x94B5\x19\x1e"&*-024\xacNq\xba\xbb\xb8h\xbeb'
+    '\x00A\x00;'
+)
+
+
 class CarouselTileTestCase(TestTileMixin, unittest.TestCase):
 
     def setUp(self):
@@ -233,3 +255,25 @@ def test_get_alt(self):
         self.assertIn('<img ', rendered)
         self.assertIn(
             'alt="This image was created for testing purposes"', rendered)
+
+    def test_populate_collection(self):
+        with api.env.adopt_roles(['Manager']):
+            api.content.create(
+                self.portal, 'News Item', id='new1', image=zptlogo)
+            api.content.create(
+                self.portal, 'News Item', id='new2', image=zptlogo)
+            api.content.create(
+                self.portal, 'News Item', id='new3', image=zptlogo)
+            query = [dict(
+                i='portal_type',
+                o='plone.app.querystring.operation.selection.is',
+                v='News Item',
+            )]
+            col = api.content.create(
+                self.portal, 'Collection', 'collection', query=query)
+            api.content.transition(col, 'publish')
+        self.tile.populate_with_object(col)
+        rendered = self.tile()
+        self.assertIn(u'<img src="http://nohost/plone/new1', rendered)
+        self.assertIn(u'<img src="http://nohost/plone/new2', rendered)
+        self.assertIn(u'<img src="http://nohost/plone/new3', rendered)
diff --git a/src/collective/cover/tiles/carousel.py b/src/collective/cover/tiles/carousel.py
index b3c476ff7..bbfc8b162 100644
--- a/src/collective/cover/tiles/carousel.py
+++ b/src/collective/cover/tiles/carousel.py
@@ -1,11 +1,13 @@
 # -*- coding: utf-8 -*-
 from collective.cover import _
+from collective.cover.interfaces import ICoverUIDsProvider
 from collective.cover.interfaces import ITileEditForm
 from collective.cover.tiles.list import IListTile
 from collective.cover.tiles.list import ListTile
 from collective.cover.widgets.interfaces import ITextLinesSortableWidget
 from collective.cover.widgets.textlinessortable import TextLinesSortableFieldWidget
 from plone import api
+from plone.app.uuid.utils import uuidToObject
 from plone.autoform import directives as form
 from plone.tiles.interfaces import ITileDataManager
 from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
@@ -64,9 +66,14 @@ def populate_with_object(self, obj):
         :param uuids: The list of objects' UUIDs to be used
         :type uuids: List of strings
         """
-        if not self._has_image_field(obj):
-            return
-        super(CarouselTile, self).populate_with_object(obj)
+        # check permission
+        super(ListTile, self).populate_with_object(obj)  # check permission
+        uuids = ICoverUIDsProvider(obj).getUIDs()
+        uuids = [
+            uuid for uuid in uuids
+            if self._has_image_field(uuidToObject(uuid))]
+        if uuids:
+            self.populate_with_uuids(uuids)
 
     def autoplay(self):
         if self.data['autoplay'] is None: