added favorites portlet with add and remove functionality

git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2452 fd906abe-77d9-0310-91a1-e0d9ade77398

browser/loops.css

@@ -137,6 +137,10 @@ div.box h4 {
     padding: 0.2em 0.2em 0.2em 0.3em;
 }
 
+div.action {
+    border-top: 1px solid #eeeeee;
+}
+
 div.menu-1, div.menu-2 {
     border-top: 1px solid #eeeeee;
     font-weight: bold;
@@ -152,6 +156,12 @@ div.menu-1, div.menu-2 {
     font-size: 90%
 }
 
+.delete-item a[href] {
+    color: #ff7777;
+    font-weight: bold;
+    text-decoration: none;
+}
+
 .subcolumn {
     display: inline;
     float: left;

browser/node.py

@@ -290,6 +290,13 @@ class NodeView(BaseView):
                 target = getVersion(target, self.request)
         return target
 
+    @Lazy
+    def targetUid(self):
+        if self.virtualTargetObject:
+            return util.getUidForObject(self.virtualTargetObject)
+        else:
+            return None
+
     def targetView(self, name='index.html', methodName='show'):
         target = self.virtualTargetObject
         if target is not None:

locales/de/LC_MESSAGES/loops.po

@@ -65,6 +65,18 @@ msgstr "Glossareintrag anlegen..."
 msgid "Create Glossary Item"
 msgstr "Glossareintrag anlegen"
 
+msgid "Favorites"
+msgstr "Lesezeichen"
+
+msgid "Add to Favorites"
+msgstr "Zu Lesezeichen hinzufügen"
+
+msgid "Add current object to favorites"
+msgstr "Aktuelles Objekt zu Lesezeichen hinzufügen"
+
+msgid "Remove from favorites"
+msgstr "Aus Lesezeichen entfernen"
+
 msgid "Actions"
 msgstr "Aktionen"
 
@@ -134,6 +146,9 @@ msgstr "Format"
 msgid "Link URL"
 msgstr "URL"
 
+msgid "Link text"
+msgstr "Link Text"
+
 msgid "Assign Parent Concepts"
 msgstr "Oberbegriffe zuordnen"
 

organize/personal/README.txt

@@ -79,6 +79,15 @@ Finally, we log in as the newly created user.
   >>> from loops.tests.auth import login
   >>> login(pJohn)
 
+One step is still missing: As we are now working with a real principal
+the security checks e.g. in views are active. So we have to provide
+our user with the necessary permissions.
+
+  >>> grantPermission = setupData.rolePermissions.grantPermissionToRole
+  >>> assignRole = setupData.principalRoles.assignRoleToPrincipal
+  >>> grantPermission('zope.View', 'zope.Member')
+  >>> assignRole('zope.Member', 'users.john')
+
 Working with the favorites storage
 ----------------------------------
 
@@ -93,23 +102,26 @@ can remember as favorites.
   >>> d003Id = util.getUidForObject(resources['d003.txt'])
   >>> johnCId = util.getUidForObject(johnC)
 
-(We always need a "run" - can we try to ignore this for favorites?)
+We do not access the favorites storage directly but by using an adapter.
 
-  >>> runId = favorites.startRun()
+  >>> from loops.organize.personal.favorite import Favorites
+  >>> component.provideAdapter(Favorites)
+  >>> from loops.organize.personal.interfaces import IFavorites
+  >>> favAdapted = IFavorites(favorites)
 
-For favorites we don't need any data...
+The adapter provides convenience methods for accessing the favorites storage.
 
-  >>> favorites.saveUserTrack(d001Id, runId, johnCId, {})
+  >>> favAdapted.add(resources['d001.txt'], johnC)
   '0000001'
-  >>> favorites.saveUserTrack(d003Id, runId, johnCId, {})
-  '0000002'
 
 So we are now ready to query the favorites.
 
   >>> favs = favorites.query(userName=johnCId)
   >>> favs
-  [<Favorite ['27', 1, '33', '...']: {}>,
+  [<Favorite ['27', 1, '33', '...']: {}>]
-   <Favorite ['31', 1, '33', '...']: {}>]
+
+  >>> list(favAdapted.list(johnC))
+  ['27']
 
   >>> util.getObjectForUid(favs[0].taskId) is resources['d001.txt']
   True
@@ -117,3 +129,33 @@ So we are now ready to query the favorites.
 User interface
 --------------
 
+  >>> from loops.view import Node
+  >>> home = views['home'] = Node()
+  >>> from loops.tests.auth import TestRequest
+  >>> from loops.organize.personal.browser.configurator import PortletConfigurator
+
+  >>> portletConf = PortletConfigurator(home, TestRequest())
+  >>> len(portletConf.viewProperties)
+  1
+
+  >>> from loops.organize.personal.browser.favorite import FavoriteView
+  >>> view = FavoriteView(home, TestRequest())
+
+Let's now trigger the saving of a favorite.
+
+  >>> d002Id = util.getUidForObject(resources['d002.txt'])
+  >>> request = TestRequest(form=dict(id=d002Id))
+  >>> view = FavoriteView(home, request)
+
+  >>> view.add()
+
+  >>> len(favorites.query(userName=johnCId))
+  2
+
+  >>> d002Id = util.getUidForObject(resources['d001.txt'])
+  >>> request = TestRequest(form=dict(id=d002Id))
+  >>> view = FavoriteView(home, request)
+  >>> view.remove()
+
+  >>> len(favorites.query(userName=johnCId))
+  1

organize/personal/browser/configurator.py

@@ -0,0 +1,62 @@
+#
+#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+A view configurator provides configuration data for a view controller.
+
+$Id$
+"""
+
+from zope import component
+from zope.app.pagetemplate import ViewPageTemplateFile
+from zope.app.security.interfaces import IUnauthenticatedPrincipal
+from zope.cachedescriptors.property import Lazy
+from zope.traversing.browser.absoluteurl import absoluteURL
+
+from cybertools.browser.configurator import ViewConfigurator, MacroViewProperty
+from loops.organize.party import getPersonForUser
+from loops.util import _
+
+
+personal_macros = ViewPageTemplateFile('personal_macros.pt')
+
+
+class PortletConfigurator(ViewConfigurator):
+    """ Specify portlets.
+    """
+
+    def __init__(self, context, request):
+        self.context = context
+        self.request = request
+
+    @property
+    def viewProperties(self):
+        if getPersonForUser(self.context, self.request) is None:
+        #if IUnauthenticatedPrincipal.providedBy(self.request.principal):
+            return []
+        favorites = MacroViewProperty(self.context, self.request)
+        favorites.setParams(dict(
+                    slot='portlet_right',
+                    identifier='loops.organize.favorites',
+                    title=_(u'Favorites'),
+                    subMacro=personal_macros.macros['favorites_portlet'],
+                    priority=200,
+                    #url=absoluteURL(self.context, self.request) + '/@@favorites.html',
+        ))
+        return [favorites]
+

organize/personal/browser/configure.zcml

@@ -0,0 +1,23 @@
+<!-- $Id$ -->
+
+<configure
+        xmlns:zope="http://namespaces.zope.org/zope"
+        xmlns:browser="http://namespaces.zope.org/browser"
+        i18n_domain="loops">
+
+  <zope:adapter
+        factory="loops.organize.personal.browser.configurator.PortletConfigurator"
+        for="loops.interfaces.INode
+             zope.publisher.interfaces.browser.IBrowserRequest"
+        name="loops.organize.personal" />
+
+  <browser:pages
+        class="loops.organize.personal.browser.favorite.FavoriteView"
+        for="loops.interfaces.INode"
+        permission="zope.View">
+    <page name="favorites.html" />
+    <page name="addFavorite.html" attribute="add" />
+    <page name="removeFavorite.html" attribute="remove" />
+  </browser:pages>
+
+</configure>

organize/personal/browser/favorite.py

@@ -0,0 +1,88 @@
+#
+#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+A view (to be used by listings, portlets, ...) for favorites.
+
+$Id$
+"""
+
+from zope import component
+from zope.app.pagetemplate import ViewPageTemplateFile
+from zope.cachedescriptors.property import Lazy
+
+from cybertools.browser.configurator import ViewConfigurator, MacroViewProperty
+from loops.browser.node import NodeView
+from loops.organize.party import getPersonForUser
+from loops.organize.personal.interfaces import IFavorites
+from loops import util
+
+
+personal_macros = ViewPageTemplateFile('personal_macros.pt')
+
+
+class FavoriteView(NodeView):
+
+    @Lazy
+    def item(self):
+        return self
+
+    @Lazy
+    def person(self):
+        return getPersonForUser(self.context, self.request)
+
+    @Lazy
+    def favorites(self):
+        records = self.loopsRoot.getRecordManager()
+        if records is not None:
+            storage = records.get('favorites')
+            if storage is not None:
+                return IFavorites(storage)
+        return None
+
+    def listFavorites(self):
+        if self.favorites is None:
+            return
+        for uid in self.favorites.list(self.person):
+            obj = util.getObjectForUid(uid)
+            if obj is not None:
+                yield dict(url=self.getUrlForTarget(obj),
+                           uid=uid,
+                           title=obj.title,
+                           description=obj.description,
+                           object=obj)
+
+    def add(self):
+        if self.favorites is None:
+            return
+        uid = self.request.get('id')
+        if not uid:
+            return
+        obj = util.getObjectForUid(uid)
+        self.favorites.add(obj, self.person)
+        self.request.response.redirect(self.virtualTargetUrl)
+
+    def remove(self):
+        if self.favorites is None:
+            return
+        uid = self.request.get('id')
+        if not uid:
+            return
+        obj = util.getObjectForUid(uid)
+        self.favorites.remove(obj, self.person)
+        self.request.response.redirect(self.virtualTargetUrl)

organize/personal/browser/personal_macros.pt

@@ -0,0 +1,24 @@
+<metal:actions define-macro="favorites_portlet"
+               tal:define="view nocall:context/@@favorites.html;
+                           targetUid view/targetUid">
+    <div tal:repeat="item view/listFavorites">
+      <span style="float:right" class="delete-item">&nbsp;<a href="removeFavorite.html"
+          tal:attributes="href
+                string:${view/virtualTargetUrl}/removeFavorite.html?id=${item/uid};
+                          title string:Remove from favorites"
+          i18n:attributes="title">X</a>&nbsp;</span>
+      <a href=""
+         tal:attributes="href item/url;
+                         title item/description"
+         tal:content="item/title">Some object</a>
+    </div>
+    <div id="addFavorite" class="action"
+         tal:condition="targetUid">
+      <a href="addFavorite.html"
+         i18n:translate=""
+         tal:attributes="href
+                string:${view/virtualTargetUrl}/addFavorite.html?id=$targetUid;
+                         title string:Add current object to favorites"
+         i18n:attributes="title">Add to Favorites</a>
+    </div>
+</metal:actions>

organize/personal/configure.zcml

@@ -2,7 +2,7 @@
 
 <configure
    xmlns="http://namespaces.zope.org/zope"
-   i18n_domain="zope">
+   i18n_domain="loops">
 
   <class class="cybertools.tracking.btree.TrackingStorage">
     <require permission="zope.View"
@@ -22,7 +22,15 @@
              set_schema="loops.organize.personal.interfaces.IFavorite" />
   </class>
 
+  <adapter factory="loops.organize.personal.favorite.Favorites" trusted="True" />
+  <class class="loops.organize.personal.favorite.Favorites">
+    <require permission="zope.View"
+             interface="loops.organize.personal.interfaces.IFavorites" />
+  </class>
+
   <adapter factory="loops.organize.personal.setup.SetupManager"
            name="organize.personal" />
 
+  <include package=".browser" />
+
 </configure>

organize/personal/favorite.py

@@ -22,10 +22,51 @@ Base classes for a notification framework.
 $Id$
 """
 
+from zope.component import adapts
 from zope.interface import implements
 
 from cybertools.tracking.btree import Track
-from loops.organize.personal.interfaces import IFavorite
+from cybertools.tracking.interfaces import ITrackingStorage
+from loops.organize.personal.interfaces import IFavorites, IFavorite
+from loops import util
+
+
+class Favorites(object):
+
+    implements(IFavorites)
+    adapts(ITrackingStorage)
+
+    def __init__(self, context):
+        self.context = context
+
+    def list(self, person, sortKey=None):
+        if person is None:
+            return
+        personUid = util.getUidForObject(person)
+        if sortKey is None:
+            sortKey = lambda x: -x.timeStamp
+        for item in sorted(self.context.query(userName=personUid), key=sortKey):
+            yield item.taskId
+
+    def add(self, obj, person):
+        if None in (obj, person):
+            return False
+        uid = util.getUidForObject(obj)
+        personUid = util.getUidForObject(person)
+        if self.context.query(userName=personUid, taskId=uid):
+            return False
+        return self.context.saveUserTrack(uid, 0, personUid, {})
+
+    def remove(self, obj, person):
+        if None in (obj, person):
+            return False
+        uid = util.getUidForObject(obj)
+        personUid = util.getUidForObject(person)
+        changed = False
+        for t in self.context.query(userName=personUid, taskId=uid):
+            changed = True
+            self.context.removeTrack(t)
+        return changed
 
 
 class Favorite(Track):
@@ -33,3 +74,4 @@ class Favorite(Track):
     implements(IFavorite)
 
     typeName = 'Favorite'
+

organize/personal/interfaces.py

@@ -28,10 +28,18 @@ from zope import schema
 from cybertools.tracking.interfaces import ITrack
 
 
+class IFavorites(Interface):
+    """ A collection of favorites.
+    """
+
+    def add(objectId, personId):
+        """ Add an object to the person's favorites collection.
+        """
+
+
 class IFavorite(ITrack):
     """ A favorite references a content object via the
         task id attribute; the user name references
         the user/person for which the favorite is to be stored.
         The tracking storage's run management is not used.
     """
-