]> git.openstreetmap.org Git - osqa.git/blobdiff - forum/modules/ui_objects.py
Configure logging "the Django way" and ensure that all messages are written to the...
[osqa.git] / forum / modules / ui_objects.py
index 01a61d38c7ad9b8ff2a48d1241d61d3787e9c2a9..a51044ad527f3a9fe661880258c2060e389812dc 100644 (file)
 from django.core.urlresolvers import reverse
+from django.template.defaultfilters import slugify
+from django import template
 from forum.utils import html
+from forum.models.user import AnonymousUser
+from ui import Registry
+from copy import copy
+
+class Visibility(object):
+    def __init__(self, level='public', negated=False):
+        if level not in ['public', 'authenticated', 'staff', 'superuser', 'owner']:
+            try:
+                int(level)
+                self.by_reputation = True
+            except:
+                raise "Invalid visibility level for ui object: %s" % level
+        else:
+            self.by_reputation = False
 
-class UiObjectUserLevelBase(object):
-    def show_to(self, user):
-        return True
+        self.level = level
+        self.negated = negated
 
-class SuperuserUiObject(UiObjectUserLevelBase):
     def show_to(self, user):
-        return user.is_superuser
-
-class StaffUiObject(UiObjectUserLevelBase):
-    def show_to(self, user):
-        return user.is_staff or user.is_superuser
-
-class ReputedUserUiObject(UiObjectUserLevelBase):
-    def __init__(self, min_rep):
-        self.min_rep = min_rep
+        if self.by_reputation:
+            res = user.is_authenticated() and (user.reputation >= int(self.level) or user.is_staff or user.is_superuser)
+        else:
+            res = self.level == 'public' or (user.is_authenticated() and (
+                self.level == 'authenticated' or (
+                self.level == 'superuser' and user.is_superuser) or (
+                self.level == 'staff' and (user.is_staff or user.is_superuser)) or (
+                self.level == 'owner' and user.is_siteowner)))
+
+        if self.negated:
+            return not res
+        else:
+            return res
 
-    def show_to(self, user):
-        return user.is_authenticated() and user.reputation >= int(self.min_rep)
+    def __invert__(self):
+        return Visibility(self.level, not self.negated)
+        
 
-class LoggedInUserUiObject(UiObjectUserLevelBase):
-    def show_to(self, user):
-        return user.is_authenticated()
+Visibility.PUBLIC = Visibility('public')
+Visibility.AUTHENTICATED = Visibility('authenticated')
+Visibility.STAFF = Visibility('staff')
+Visibility.SUPERUSER = Visibility('superuser')
+Visibility.OWNER = Visibility('owner')
+Visibility.REPUTED = lambda r: Visibility(r)
 
-class PublicUiObject(UiObjectUserLevelBase):
-    pass
 
+class Url(object):
+    def __init__(self, url_pattern):
+        self.url_pattern = url_pattern
 
+    def __call__(self, u, c):
+        return reverse(self.url_pattern)
 
-class UiObjectArgument(object):
-    def __init__(self, argument):
-        self.argument = argument
 
-    def __call__(self, context):
-        if callable(self.argument):
-            return self.argument(context)
-        else:
-            return self.argument
+class ObjectBase(object):
+    class Argument(object):
+        def __init__(self, argument):
+            self.argument = argument
 
+        def __call__(self, context):
+            if callable(self.argument):
+                user = context.get('request', None) and context['request'].user or AnonymousUser()
+                return self.argument(user, context)
+            else:
+                return self.argument
 
-class UiObjectBase(object):
-    def __init__(self, user_level=None, weight=500):
-        self.user_level = user_level or PublicUiObject()
+    def __init__(self, visibility=None, weight=500, name=''):
+        self.visibility = visibility
         self.weight = weight
+        self.name = name
+
+    def _visible_to(self, user):
+        return (not self.visibility) or (self.visibility and self.visibility.show_to(user))
 
     def can_render(self, context):
-        return self.user_level.show_to(context['request'].user)
+        try:
+            return self._visible_to(context['request'].user)
+        except KeyError:
+            try:
+                return self._visible_to(context['viewer'])
+            except KeyError:
+                return self._visible_to(AnonymousUser())
 
     def render(self, context):
         return ''
 
-class UiLoopObjectBase(UiObjectBase):
+class LoopBase(ObjectBase):
     def update_context(self, context):
         pass
 
 
 
-class UiLinkObject(UiObjectBase):
-    def __init__(self, text, url, attrs=None, pre_code='', post_code='', user_level=None, weight=500):
-        super(UiLinkObject, self).__init__(user_level, weight)
-        self.text = UiObjectArgument(text)
-        self.url = UiObjectArgument(url)
-        self.attrs = UiObjectArgument(attrs or {})
-        self.pre_code = UiObjectArgument(pre_code)
-        self.post_code = UiObjectArgument(post_code)
+class Link(ObjectBase):
+    def __init__(self, text, url, attrs=None, pre_code='', post_code='', visibility=None, weight=500, name=''):
+        super(Link, self).__init__(visibility, weight, name)
+        self.text = self.Argument(text)
+        self.url = self.Argument(url)
+        self.attrs = self.Argument(attrs or {})
+        self.pre_code = self.Argument(pre_code)
+        self.post_code = self.Argument(post_code)
 
     def render(self, context):
         return "%s %s %s" % (self.pre_code(context),
             html.hyperlink(self.url(context), self.text(context), **self.attrs(context)),
             self.post_code(context))
 
+class Include(ObjectBase):
+    def __init__(self, tpl, visibility=None, weight=500, name=''):
+        super(Include, self).__init__(visibility, weight, name)
+        self.template = template.loader.get_template(tpl)
+
+    def render(self, context):
+        if not isinstance(context, template.Context):
+            context = template.Context(context)
+        return self.template.render(context)
+        
 
-class UiLoopContextObject(UiLoopObjectBase):
-    def __init__(self, loop_context, user_level=None, weight=500):
-        super(UiLoopContextObject, self).__init__(user_level, weight)
-        self.loop_context = UiObjectArgument(loop_context)
+class LoopContext(LoopBase):
+    def __init__(self, loop_context, visibility=None, weight=500, name=''):
+        super(LoopContext, self).__init__(visibility, weight, name)
+        self.loop_context = self.Argument(loop_context)
 
     def update_context(self, context):
         context.update(self.loop_context(context))
 
 
-class UiTopPageTabObject(UiLoopObjectBase):
-    def __init__(self, tab_name, tab_title, url_pattern, weight):
-        super(UiTopPageTabObject, self).__init__(weight=weight)
+class PageTab(LoopBase):
+    def __init__(self, tab_name, tab_title, url_getter, weight, name=''):
+        super(PageTab, self).__init__(weight=weight, name=name)
         self.tab_name = tab_name
         self.tab_title = tab_title
-        self.url_pattern = url_pattern
+        self.url_getter = url_getter
 
     def update_context(self, context):
         context.update(dict(
             tab_name=self.tab_name,
             tab_title=self.tab_title,
-            tab_url=reverse(self.url_pattern)
+            tab_url=self.url_getter()
+        ))
+
+
+class ProfileTab(LoopBase):
+    def __init__(self, name, title, description, url_getter, private=False, render_to=None, weight=500):
+        super(ProfileTab, self).__init__(weight=weight, name=name)
+        self.name = name
+        self.title = title
+        self.description = description
+        self.url_getter = url_getter
+        self.private = private
+        self.render_to = render_to
+
+    def can_render(self, context):
+        return (not self.render_to or (self.render_to(context['view_user']))) and (
+            not self.private or (
+            context['view_user'] == context['request'].user or context['request'].user.is_superuser))
+
+    def update_context(self, context):        
+        context.update(dict(
+            tab_name=self.name,
+            tab_title=self.title,
+            tab_description = self.description,
+            tab_url=self.url_getter(context['view_user'])
         ))
+
+
+class AjaxMenuItem(ObjectBase):
+    def __init__(self, label, url, a_attrs=None, span_label='', span_attrs=None, visibility=None, weight=500, name=''):
+        super(AjaxMenuItem, self).__init__(visibility, weight, name)
+        self.label = self.Argument(label)
+        self.url = self.Argument(url)
+        self.a_attrs = self.Argument(a_attrs or {})
+        self.span_label = self.Argument(span_label)
+        self.span_attrs = self.Argument(span_attrs or {})
+
+    def render(self, context):
+        return html.buildtag('li',
+            html.buildtag('span', self.span_label(context), **self.span_attrs(context)) + \
+            html.hyperlink(self.url(context), self.label(context), **self.a_attrs(context)),
+            **{'class': 'item'})
+
+class AjaxMenuGroup(ObjectBase, Registry):
+    def __init__(self, label, items, visibility=None, weight=500, name=''):
+        super(AjaxMenuGroup, self).__init__(visibility, weight, name)
+        self.label = label
+
+        for item in items:
+            self.add(item)
+
+    def can_render(self, context):
+        if super(AjaxMenuGroup, self).can_render(context):
+            for item in self:
+                if item.can_render(context): return True
+
+        return False
+
+    def render(self, context):
+        return html.buildtag('li', self.label, **{'class': 'separator'}) + "".join([
+            item.render(context) for item in self if item.can_render(context)
+        ])
+
+class UserMenuItem(AjaxMenuItem):
+    def __init__(self, render_to=None, *args, **kwargs):
+        super(UserMenuItem, self).__init__(*args, **kwargs)
+        self.render_to = render_to
+
+    def can_render(self, context):
+        return (not self.render_to or (self.render_to(context['user']))) and super(UserMenuItem, self)._visible_to(context['viewer'])