Exemplo n.º 1
0
 def __init__(self):
     Folder.__init__(self)
     BaseTool.__init__(self)
     self._layout_registry = LayoutRegistry()
     self._viewlet_registry = ViewletRegistry()
Exemplo n.º 2
0
 def __init__(self):
     Folder.__init__(self)
     BaseTool.__init__(self)
     self._layout_registry = LayoutRegistry()
     self._viewlet_registry = ViewletRegistry()
Exemplo n.º 3
0
class CompositeTool(BaseTool, Folder):
    """ CompositePack Tool """

    implements(ICompositeTool)
    id = TOOL_ID
    meta_type = "CompositePack Tool"

    security = ClassSecurityInfo()

    _viewlets_by_type = None  # PersistentMapping
    _default_viewlets = ("default_viewlet", "link_viewlet")
    _default_default = "default_viewlet"
    _default_layout = ""

    _manage_composites = PageTemplateFile("composites.pt", zmi_dir)

    _manage_composables = PageTemplateFile("composables.pt", zmi_dir)

    _manage_layouts = PageTemplateFile("layouts.pt", zmi_dir)

    _manage_viewlets = PageTemplateFile("viewlets.pt", zmi_dir)

    macros_template = PageTemplateFile("macros.pt", zmi_dir)

    manage_options = insert_zmi_tab_after(
        "Contents", {"label": "Composites", "action": "manage_composites"}, Folder.manage_options
    )

    manage_options = insert_zmi_tab_after(
        "Composites", {"label": "Composables", "action": "manage_composables"}, manage_options
    )

    def __init__(self):
        Folder.__init__(self)
        BaseTool.__init__(self)
        self._layout_registry = LayoutRegistry()
        self._viewlet_registry = ViewletRegistry()

    def __repr__(self):
        return "CompositePack Tool"

    security.declarePublic("moveAndDelete")

    def moveAndDelete(
        self,
        move_source_paths="",
        move_target_path="",
        move_target_index="",
        delete_source_paths="",
        composite_path="",
        REQUEST=None,
    ):
        """Move and/or delete elements.
        """
        portal = getToolByName(self, "portal_url").getPortalObject()

        # Try to get translation service for status messages
        translation_service = getToolByName(self, "translation_service", None)
        if translation_service:
            utranslate = translation_service.utranslate
        # else I won't translate at all

        try:
            compo = portal.restrictedTraverse(composite_path)
        except AttributeError:
            # We cannot traverse towards the asked composite path, this might
            # happen when another user deleted the navigation page where we are
            # dragging an item to a new location.
            # Or in short: composite_path no longer exists at this place.
            error = "The page you were working on has been moved or deleted by another user."
            if translation_service:
                # Translate if possible
                message = utranslate("compopack", "navigation_page_deleted_or_moved", {}, self, default=error)
            else:
                # We don't have a translation service? Then we will just serve
                # the default English error
                message = error
            status_message = "?portal_status_message=" + message

            if REQUEST:
                # Redirect to portal root with a status message, because
                # current document no longer exists at this place.
                url = getToolByName(self, "portal_url")()
                url += status_message
                REQUEST.RESPONSE.redirect(url)
            return

        try:
            BaseTool.moveAndDelete(
                self, move_source_paths, move_target_path, move_target_index, delete_source_paths, REQUEST
            )
        except AttributeError:
            # Item cannot be moved or deleted because the item within this page has
            # been either deleted or moved to another location.
            error = "The item you tried to move or delete was already touched by another user."
            if translation_service:
                # Translate our error
                message = utranslate("compopack", "item_touched_by_other_user", {}, self, default=error)
                status_message = "?portal_status_message=" + message
            else:
                # or not...
                message = error
            status_message = "?portal_status_message=" + message

            if REQUEST:
                # Redirect to same (updated) page with a smart remark
                url = REQUEST["HTTP_REFERER"].split("?")[0]
                url += status_message
                REQUEST.RESPONSE.redirect(url)
            return

        if REQUEST:
            # Change was succesful so remove any standing error messages and
            # reload the page
            url = REQUEST["HTTP_REFERER"].split("?")[0]
            REQUEST.RESPONSE.redirect(url)

    security.declarePrivate("getMapMetatypesPortalTypes")

    def getMapMetatypesPortalTypes(self):
        # compute a map of meta_types and corresponding portal_types
        tt = getToolByName(self, "portal_types")
        type_infos = tt.listTypeInfo()
        meta_portal = {}
        for ti in type_infos:
            if meta_portal.has_key(ti.content_meta_type):
                meta_portal[ti.content_meta_type].append(ti.getId())
            else:
                meta_portal[ti.content_meta_type] = [ti.getId()]
        return meta_portal

    security.declarePrivate("getRegisteredCompositePortalTypes")

    def getRegisteredCompositePortalTypes(self):
        meta_portal = self.getMapMetatypesPortalTypes()

        arche_data = listTypes()
        result = []
        for arche_type in arche_data:
            if hasattr(arche_type["klass"], "cp_view"):
                result.extend(meta_portal.get(arche_type["meta_type"], []))
        return result

    security.declarePrivate("getRegisteredArchePortalTypes")

    def getRegisteredArchePortalTypes(self):
        meta_portal = self.getMapMetatypesPortalTypes()

        arche_data = listTypes()
        result = []
        for arche_type in arche_data:
            result.extend(meta_portal.get(arche_type["meta_type"], []))
        return result

    ## Composites ZMI tab

    security.declareProtected(ManagePortal, "manage_composites")

    def manage_composites(self, REQUEST, manage_tabs_message=None):
        """
        manage composites
        """
        registered_composites = self.getRegisteredComposites()
        registered_composites.sort()

        compositePortalTypes = self.getRegisteredCompositePortalTypes()

        unregistered_composites = [pt for pt in compositePortalTypes if pt not in registered_composites]
        unregistered_composites.sort()

        default_layout = self.queryDefaultLayout()

        all_layouts = self.getAllLayouts()
        return self._manage_composites(
            REQUEST,
            registered_composites=registered_composites,
            unregistered_composites=unregistered_composites,
            default_layout=default_layout,
            all_layouts=all_layouts,
        )

    security.declareProtected(ManagePortal, "manage_addComposites")

    def manage_addComposites(self, REQUEST, manage_tabs_message=None, types=None):
        """
        register composites
        """
        if types is None:
            types = []
        for type in types:
            self.registerAsComposite(type)
        return self.REQUEST.RESPONSE.redirect("manage_composites")

    security.declareProtected(ManagePortal, "manage_unregisterComposite")

    def manage_unregisterComposite(self, REQUEST, type=None):
        """
        unregister composite
        """
        if type is not None:
            self.unregisterAsComposite(type)
        return self.REQUEST.RESPONSE.redirect("manage_composites")

    security.declareProtected(ManagePortal, "manage_setDefaultLayout")

    def manage_setDefaultLayout(self, REQUEST, layout_id=None):
        """
        set default layout
        """
        if layout_id is not None:
            self.setDefaultLayout(layout_id)
        return self.REQUEST.RESPONSE.redirect("manage_composites")

    ## Manage layouts per composite ZMI view

    security.declareProtected(ManagePortal, "manage_layouts")

    def manage_layouts(self, REQUEST, manage_tabs_message=None, type=None):
        """
        manage layouts
        """

        def layout_sort(a, b):
            return cmp(a.title, b.title)

        if type is not None:
            registered_layouts = self.getRegisteredLayoutsForType(type)
            registered_layouts.sort(layout_sort)

            allLayouts = self.getAllLayouts()
            unregistered_layouts = [pt for pt in allLayouts if pt not in registered_layouts]
            unregistered_layouts.sort(layout_sort)

            nodefault = self.noDefaultLayoutForType(type)
            default_layout = self.getLayoutById(self.getDefaultLayout()).title
            return self._manage_layouts(
                REQUEST,
                type=type,
                registered_layouts=registered_layouts,
                unregistered_layouts=unregistered_layouts,
                nodefault=nodefault,
                default_layout=default_layout,
            )

    security.declareProtected(ManagePortal, "manage_addLayouts")

    def manage_addLayouts(self, REQUEST, manage_tabs_message=None, type=None, layouts=None):
        """
        register layouts for type
        """
        if type is not None:
            if layouts is None:
                layouts = []
            for layout_id in layouts:
                layout = self.getLayoutById(layout_id)
                if layout:
                    self.registerLayoutForType(layout, type)
        # return self.manage_layouts(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect("manage_layouts?type=%s" % url_quote(type))

    security.declareProtected(ManagePortal, "manage_unregisterLayout")

    def manage_unregisterLayout(self, REQUEST, manage_tabs_message=None, type=None, layout_id=None):
        """
        unregister layouts for type
        """
        if type is not None:
            layout = self.getLayoutById(layout_id)
            if layout:
                self.unregisterLayoutForType(layout, type)
        # return self.manage_layouts(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect("manage_layouts?type=%s" % url_quote(type))

    security.declareProtected(ManagePortal, "manage_defaultLayout")

    def manage_defaultLayout(self, REQUEST, manage_tabs_message=None, type=None, default=None):
        """
        set default layout for type
        """
        if type is not None:
            if default == "nodefault":
                self.clearDefaultLayoutForType(type)
            else:
                layout = self.getLayoutById(default)
                if layout:
                    self.setDefaultLayoutForType(layout, type)
        # return self.manage_layouts(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect("manage_layouts?type=%s" % url_quote(type))

    ## Composables ZMI tab

    security.declareProtected(ManagePortal, "manage_composables")

    def manage_composables(self, REQUEST, manage_tabs_message=None):
        """
        manage composables
        """
        registered_composables = self.getRegisteredComposables()
        registered_composables.sort()

        archePortalTypes = self.getRegisteredArchePortalTypes()

        unregistered_composables = [pt for pt in archePortalTypes if pt not in registered_composables]
        unregistered_composables.sort()

        return self._manage_composables(
            REQUEST, registered_composables=registered_composables, unregistered_composables=unregistered_composables
        )

    security.declareProtected(ManagePortal, "manage_addComposables")

    def manage_addComposables(self, REQUEST, manage_tabs_message=None, types=None):
        """
        register composables
        """
        if types is None:
            types = []
        for type in types:
            self.registerAsComposable(type)
        return self.REQUEST.RESPONSE.redirect("manage_composables")

    security.declareProtected(ManagePortal, "manage_unregisterComposable")

    def manage_unregisterComposable(self, REQUEST, type=None):
        """
        unregister composable
        """
        if type is not None:
            self.unregisterAsComposable(type)
        return self.REQUEST.RESPONSE.redirect("manage_composables")

    ## Manage viewlets per composable ZMI view

    security.declareProtected(ManagePortal, "manage_viewlets")

    def manage_viewlets(self, REQUEST, manage_tabs_message=None, type=None):
        """
        manage viewlets
        """

        def viewlet_sort(a, b):
            return cmp(a.title, b.title)

        if type is not None:
            registered_viewlets = self.getRegisteredViewletsForType(type)
            registered_viewlets.sort(viewlet_sort)

            use_default_viewlets = self.getTypeUseDefaultSetup(type)

            allViewlets = self.getAllViewlets()
            if use_default_viewlets:
                unregistered_viewlets = allViewlets
            else:
                unregistered_viewlets = [pt for pt in allViewlets if pt not in registered_viewlets]
            unregistered_viewlets.sort(viewlet_sort)

            nodefault = self.noDefaultViewletForType(type)

            return self._manage_viewlets(
                REQUEST,
                type=type,
                registered_viewlets=registered_viewlets,
                unregistered_viewlets=unregistered_viewlets,
                nodefault=nodefault,
                use_default_viewlets=use_default_viewlets,
            )

    security.declareProtected(ManagePortal, "manage_addViewlets")

    def manage_addViewlets(self, REQUEST, manage_tabs_message=None, type=None, viewlets=None):
        """
        register viewlets for type
        """
        if type is not None:
            if viewlets is None:
                viewlets = []
            for viewlet_id in viewlets:
                viewlet = self.getViewletById(viewlet_id)
                if viewlet:
                    self.registerViewletForType(viewlet, type)
        # return self.manage_viewlets(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect("manage_viewlets?type=%s" % url_quote(type))

    security.declareProtected(ManagePortal, "manage_unregisterViewlet")

    def manage_unregisterViewlet(self, REQUEST, manage_tabs_message=None, type=None, viewlet_id=None):
        """
        unregister viewlets for type
        """
        if type is not None:
            viewlet = self.getViewletById(viewlet_id)
            if viewlet:
                self.unregisterViewletForType(viewlet, type)
        # return self.manage_viewlets(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect("manage_viewlets?type=%s" % url_quote(type))

    security.declareProtected(ManagePortal, "manage_defaultViewlet")

    def manage_defaultViewlet(self, REQUEST, manage_tabs_message=None, type=None, default=None):
        """
        set default viewlet for type
        """
        if type is not None:
            if default == "nodefault":
                self.clearDefaultViewletForType(type)
            else:
                viewlet = self.getViewletById(default)
                if viewlet:
                    self.setDefaultViewletForType(viewlet, type)
        # return self.manage_viewlets(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect("manage_viewlets?type=%s" % url_quote(type))

    ## Viewlets management

    def registerAsComposable(self, items):
        if type(items) not in (TupleType, ListType):
            items = (items,)
        for item in items:
            self._viewlet_registry.registerContentType(item)
        self.updateKupuLibraryTool()

    def unregisterAsComposable(self, items):
        if type(items) not in (TupleType, ListType):
            items = (items,)
        for item in items:
            self._viewlet_registry.unregisterContentType(item)
        self.updateKupuLibraryTool()

    def getRegisteredComposables(self):
        return self._viewlet_registry.getContentTypes()

    def isComposable(self, type):
        return self._viewlet_registry.isContentTypeRegistered(type)

    def updateKupuLibraryTool(self):
        try:
            kt = getToolByName(self, KUPU_TOOL_ID)
        except AttributeError:
            return
        resource_list = [resource for resource in self.getRegisteredComposables() if not resource == DEFAULT]
        kt.addResourceType(COMPOSABLE, resource_list)

    def clearViewletRegistry(self):
        self._viewlet_registry.clear()

    security.declareProtected(ManagePortal, "registerViewlet")

    def registerViewlet(self, id, description, skin_method):
        from Products.CompositePack import viewlet

        viewlets = getattr(self, VIEWLETS)
        viewlet.addViewlet(viewlets, id=id)
        result = getattr(viewlets, id)
        result.setTitle(description)
        result.setSkinMethod(skin_method)
        return result

    security.declareProtected(ManagePortal, "unregisterViewlet")

    def unregisterViewlet(self, id):
        viewlets = getattr(self, VIEWLETS)
        viewlets.manage_delObjects([id])

    def getAllViewlets(self):
        return self.viewlets.objectValues()

    def registerViewletForType(self, viewlet, type):
        self._viewlet_registry.registerForType(viewlet.getId(), type)

    def unregisterViewletForType(self, viewlet, type, force=False):
        self._viewlet_registry.unregisterForType(viewlet.getId(), type, force)

    def getViewletById(self, id):
        if hasattr(aq_base(self.viewlets), id):
            return getattr(self.viewlets, id)
        else:
            return None

    def getRegisteredViewletsForType(self, type):
        result = [self.getViewletById(viewlet_id) for viewlet_id in self._viewlet_registry.getForType(type)]
        result = [item for item in result if item]
        return result

    def setDefaultViewletForType(self, viewlet, type):
        self._viewlet_registry.setDefaultForType(viewlet.getId(), type)

    def clearDefaultViewletForType(self, type):
        self._viewlet_registry.setDefaultForType(None, type)

    def getDefaultViewletForType(self, type):
        viewlet_id = self._viewlet_registry.getDefaultForType(type)
        return self.getViewletById(viewlet_id)

    def getTypeUseDefaultSetup(self, type):
        return self._viewlet_registry.getTypeUseDefaultSetup(type)

    def getTypeUseDefaultFromDefaultSetup(self, type):
        return self._viewlet_registry.getTypeUseDefaultFromDefaultSetup(type)

    def noDefaultViewletForType(self, type):
        result = False
        try:
            viewlet_id = self._viewlet_registry.getDefaultForType(type)
        except CompositePackError:
            result = True
        return result

    ## viewlets for default setup
    def registerViewletForDefaultSetup(self, viewlet):
        self._viewlet_registry.registerForType(viewlet.getId(), DEFAULT)

    def unregisterViewletForDefaultSetup(self, viewlet, force=False):
        self._viewlet_registry.unregisterForType(viewlet.getId(), DEFAULT, force)

    def getRegisteredViewletsForDefaultSetup(self):
        result = [self.getViewletById(viewlet_id) for viewlet_id in self._viewlet_registry.getForType(DEFAULT)]
        result = [item for item in result if item]
        return result

    def setDefaultViewletForDefaultSetup(self, viewlet):
        self._viewlet_registry.setDefaultForType(viewlet.getId(), DEFAULT)

    def clearDefaultViewletForDefaultSetup(self):
        self._viewlet_registry.setDefaultForType(None, DEFAULT)

    def getDefaultViewletForDefaultSetup(self):
        viewlet_id = self._viewlet_registry.getDefaultForType(DEFAULT)
        return self.getViewletById(viewlet_id)

    def noDefaultViewletForDefaultSetup(self):
        result = False
        try:
            viewlet_id = self._viewlet_registry.getDefaultForType(DEFAULT)
        except CompositePackError:
            result = True
        return result

    ## Layouts management

    def registerAsComposite(self, items):
        if type(items) not in (TupleType, ListType):
            items = (items,)
        for item in items:
            self._layout_registry.registerContentType(item)

    def unregisterAsComposite(self, items):
        if type(items) not in (TupleType, ListType):
            items = (items,)
        for item in items:
            self._layout_registry.unregisterContentType(item)

    def getRegisteredComposites(self):
        return self._layout_registry.getContentTypes()

    def isComposite(self, type):
        return self._layout_registry.isContentTypeRegistered(type)

    def clearLayoutRegistry(self):
        self._layout_registry.clear()

    security.declareProtected(ManagePortal, "registerLayout")

    def registerLayout(self, id, description, skin_method):
        from Products.CompositePack import viewlet

        layouts = getattr(self, LAYOUTS)
        viewlet.addLayout(layouts, id=id)
        result = getattr(layouts, id)
        result.setTitle(description)
        result.setSkinMethod(skin_method)
        return result

    security.declareProtected(ManagePortal, "unregisterLayout")

    def unregisterLayout(self, id):
        layouts = getattr(self, LAYOUTS)
        layouts.manage_delObjects([id])

    def registerLayoutForType(self, layout, type):
        # If the type is not registered yet, implicitly register it.
        if not self._layout_registry.isContentTypeRegistered(type):
            self._layout_registry.registerContentType(type)
        self._layout_registry.registerForType(layout.getId(), type)

    def unregisterLayoutForType(self, layout, type, force=False):
        self._layout_registry.unregisterForType(layout.getId(), type, force)

    def getLayoutById(self, id):
        if hasattr(aq_base(self.layouts), id):
            return getattr(self.layouts, id)
        else:
            return None

    def getAllLayouts(self):
        return self.layouts.objectValues()

    def getRegisteredLayoutsForType(self, type):
        layouts = self._layout_registry.getForType(type)
        if layouts is None:
            layouts = self.layouts.objectIds()
        result = [self.getLayoutById(layout_id) for layout_id in layouts]
        result = [item for item in result if item]
        return result

    def setDefaultLayoutForType(self, layout, type):
        self._layout_registry.setDefaultForType(layout.getId(), type)

    def clearDefaultLayoutForType(self, type):
        self._layout_registry.setDefaultForType(None, type)

    def getDefaultLayoutForType(self, type):
        layout_id = self._layout_registry.queryDefaultForType(type, default=None)
        if not layout_id or not self.getLayoutById(layout_id):
            layout_id = self.getDefaultLayout()
        return self.getLayoutById(layout_id)

    def noDefaultLayoutForType(self, type):
        result = False
        try:
            layout_id = self._layout_registry.getDefaultForType(type)
        except CompositePackError:
            result = True
        return result

    security.declareProtected(ManagePortal, "manage_selectViewlets")

    def manage_selectViewlets(self, REQUEST, manage_tabs_message=None):
        """Manage association between types and viewlets.
        """
        vbt = self._viewlets_by_type
        ti = self._listTypeInfo()
        types_info = []
        # Viewlet IDs. All viewlets are available for
        # all content types for now, but this may change in the
        # future.
        viewlet_info = [{"id": ob.getId(), "title": ob.title_or_id()} for ob in self.viewlets.objectValues()]
        viewlet_info.sort(lambda x, y: cmp(x["title"], y["title"]))
        available_viewlets = viewlet_info[:]
        viewlet_info.insert(0, {"id": DEFAULT, "title": "use Default Setup"})
        for t in ti:
            id = t.getId()
            title = t.Title()
            if title == id:
                title = None
            if vbt is not None and vbt.has_key(id):
                viewlets = vbt[id].viewlets
                default_per_type = vbt[id].default
            else:
                viewlets = (DEFAULT,)
                default_per_type = DEFAULT
            types_info.append(
                {
                    "id": id,
                    "title": title,
                    "viewlets": viewlets,
                    "default": default_per_type,
                    "viewlet_info": viewlet_info,
                }
            )

        return self._manage_selectViewlets(
            REQUEST,
            default_viewlets=self._default_viewlets,
            default_default=self._default_default,
            types_info=types_info,
            available_viewlets=available_viewlets,
        )

    _manage_selectViewlets = PageTemplateFile("selectViewlets.pt", zmi_dir)

    security.declareProtected(ManagePortal, "manage_changeViewlets")

    def manage_changeViewlets(self, default_viewlets, default_default, props=None, REQUEST=None):
        """ Changes which viewlets apply to objects of which type.
        """
        if props is None:
            props = REQUEST
        # Set up the default viewlets.
        self.setDefaultViewlets(default_viewlets, default_default)
        ti = self._listTypeInfo()
        # Set up the viewlets by type.
        for t in ti:
            type = t.getId()
            field_name = "viewlets_%s" % type
            viewlet_ids = tuple(props.get(field_name, (DEFAULT,)))
            field_name = "default_%s" % type
            default_viewlet = props.get(field_name, DEFAULT).strip()
            self.setViewletsForType(type, viewlet_ids, default_viewlet)
        if REQUEST is not None:
            return self.manage_selectViewlets(REQUEST, manage_tabs_message="Changed.")

    security.declareProtected(ManagePortal, "setDefaultViewlets")

    def setViewletsForType(self, type, viewlet_ids, default_viewlet):
        """ Setup viewlets used by type.
        """
        if viewlet_ids == (DEFAULT,):
            self._viewlet_registry.setTypeUseDefaultSetup(type)
            viewlet_ids = self._viewlet_registry.getForType(type)
            viewlets = [self.getViewletById(viewlet_id) for viewlet_id in viewlet_ids]
        else:
            self._viewlet_registry.clearForType(type)
            viewlets = [self.getViewletById(viewlet_id) for viewlet_id in viewlet_ids]
            for viewlet in viewlets:
                self.registerViewletForType(viewlet, type)
        if default_viewlet == DEFAULT:
            default_viewlet = self.getDefaultViewletForDefaultSetup()
            if default_viewlet in viewlets:
                self._viewlet_registry.setTypeUseDefaultFromDefaultSetup(type)
            else:
                raise CompositePackError, "default_viewlet not among viewlet_ids"
        else:
            default_viewlet = self.getViewletById(default_viewlet)
            if default_viewlet in viewlets:
                self.setDefaultViewletForType(default_viewlet, type)
            else:
                raise CompositePackError, "default_viewlet not among viewlet_ids"

    def old_setViewletsForType(self, type, viewlet_ids, default_viewlet):
        vbt = self._viewlets_by_type
        if vbt is None:
            self._viewlets_by_type = vbt = PersistentMapping()
        if viewlet_ids == (DEFAULT,) and default_viewlet == DEFAULT:
            # Remove from vbt.
            if vbt.has_key(type):
                del vbt[type]
        else:
            viewlet_ids = filter(lambda x: x != DEFAULT, viewlet_ids)
            ids = []
            for viewlet_id in viewlet_ids:
                if viewlet_id:
                    if not self.getViewletById(viewlet_id):
                        raise ValueError, ('"%s" is not a ' "registered viewlet." % viewlet_id)
                    ids.append(viewlet_id)
            if default_viewlet == DEFAULT:
                if self._default_default not in viewlet_ids:
                    raise ValueError, (
                        "For type %s, the default viewlet (%s) "
                        "is not among viewlets "
                        "(%s)." % (type, self._default_default, viewlet_ids)
                    )
            elif not (
                (not viewlet_ids and default_viewlet in self._default_viewlets) or default_viewlet in viewlet_ids
            ):
                if not viewlet_ids:
                    viewlet_ids = self._default_viewlets
                raise ValueError, (
                    "For type %s, the default viewlet "
                    "(%s) is not among viewlets "
                    "(%s)." % (type, default_viewlet, viewlet_ids)
                )
            vft = ViewletsForType()
            if not ids:
                ids = (DEFAULT,)
            vft.viewlets = tuple(ids)
            vft.default = default_viewlet
            vbt[type] = vft

    security.declareProtected(ManagePortal, "setDefaultViewlets")

    def setDefaultViewlets(self, viewlet_ids, default_viewlet):
        """ Setup viewlets used by types for which nothing has been setup.
        """
        self._viewlet_registry.clearForType(DEFAULT)
        viewlets = [self.getViewletById(viewlet_id) for viewlet_id in viewlet_ids]
        for viewlet in viewlets:
            self.registerViewletForDefaultSetup(viewlet)
        default_viewlet = self.getViewletById(default_viewlet)
        if default_viewlet in viewlets:
            self.setDefaultViewletForDefaultSetup(default_viewlet)
        else:
            raise CompositePackError, "default_viewlet not among viewlet_ids"

    def old_setDefaultViewlets(self, viewlet_ids, default_viewlet):
        ids = []
        for viewlet_id in viewlet_ids:
            if viewlet_id:
                if not self.getViewletById(viewlet_id):
                    raise ValueError, ('Default setup : "%s" is not a registered viewlet.' % viewlet_id)
                ids.append(viewlet_id)
        if default_viewlet not in ids:
            raise ValueError, (
                "The default viewlet (%s) of the default "
                "setup should be among the "
                "viewlets (%s)." % (default_viewlet, viewlet_ids)
            )
        self._default_viewlets = tuple(ids)
        self._default_default = default_viewlet

    security.declarePrivate("_listTypeInfo")

    def _listTypeInfo(self):
        """ List the portal types which are available.
        """
        pt = getToolByName(self, "portal_types", None)
        at = getToolByName(self, "archetype_tool", None)
        if (pt is None) or (at is None):
            return ()
        else:
            meta_types = [
                ty["meta_type"]
                for ty in at.listRegisteredTypes()
                if IReferenceable.isImplementedByInstancesOf(ty["klass"])
            ]
            tis = [t for t in pt.objectValues() if t.content_meta_type in meta_types]
            tis.sort(lambda a, b: cmp(a.Title(), b.Title()))
            return tis

    def queryDefaultLayout(self, default=None):
        layout_id = self._default_layout
        if self.getLayoutById(layout_id) is None:
            return default
        return layout_id

    def getDefaultLayout(self):
        layout_id = self._default_layout
        if self.getLayoutById(layout_id) is None:
            raise CompositePackError, ("Tool default layout %s is no more " "registered" % layout_id)
        return layout_id

    def setDefaultLayout(self, layout_id):
        if self.getLayoutById(layout_id) is None:
            raise CompositePackError, ("%s is not a registered " "layout" % layout_id)
        self._default_layout = layout_id

    def getViewletsFor(self, obj=None):
        """ Get viewlets for a given object """
        type_id = None
        if obj is not None:
            type_id = obj.getTypeInfo().getId()
        return self.getViewletsForType(type_id)

    def getViewletsForType(self, portal_type=None):
        """ Get viewlets for a given type

        Return a dict where:

          - 'default' value is the default viewlet struct
          - 'viewlets' value is a list of structs with
            the other viewlets

        Each struct is composed of:

          - Viewlet id
          - Viewlet title
          - Viewlet object

        May return None.
        """
        try:
            default = self.getDefaultViewletForType(portal_type).getId()
        except CompositePackError:
            default = self.getDefaultViewletForDefaultSetup().getId()

        viewlets = {}
        registered_viewlets = self.getRegisteredViewletsForType(portal_type)
        if not registered_viewlets:
            registered_viewlets = self.getRegisteredViewletsForDefaultSetup()

        for viewlet in registered_viewlets:
            id = viewlet.getId()
            viewlets[id] = {"id": id, "title": viewlet.title_or_id(), "viewlet": viewlet}
        viewlets_info = viewlets.values()
        if viewlets.has_key(default):
            default_viewlet = viewlets[default]
            del viewlets[default]
            viewlets_info = viewlets.values()
        else:
            default_viewlet = viewlets_info.pop()

        return {"default": default_viewlet, "viewlets": viewlets_info}

    def old_getViewletsForType(self, portal_type=None):
        vbt = self._viewlets_by_type
        if vbt is not None:
            info = vbt.get(portal_type)
            if info is None:
                # Return default viewlets
                default = self._default_default
                viewlets = self._default_viewlets
            else:
                default = info.default
                if default == DEFAULT:
                    default = self._default_default
                viewlets = info.viewlets
                if viewlets == (DEFAULT,):
                    viewlets = self._default_viewlets
        else:
            # Return default viewlets
            default = self._default_default
            viewlets = self._default_viewlets
        v_names = tuple(viewlets) + (default,)
        v_names = filter(lambda x: x != DEFAULT, v_names)
        viewlets = {}
        for name in v_names:
            viewlet = self.getViewletById(name)
            if viewlet is None:
                continue
            viewlets[name] = {"id": name, "title": viewlet.title_or_id(), "viewlet": viewlet}
        if not viewlets:
            return None
        viewlets_info = viewlets.values()
        if viewlets.has_key(default):
            default_viewlet = viewlets[default]
            del viewlets[default]
            viewlets_info = viewlets.values()
        else:
            default_viewlet = viewlets_info.pop()
        return {"default": default_viewlet, "viewlets": viewlets_info}

    def findSnippets(self, **kwargs):
        """ Find snippets for use as Composite Element targets

        Those can include:
           - Filesystem Composite Snippets
           - Registered Viewlets

        In the case where a 'context' keyword argument is passed,
        the viewlets returned are only those that apply to the context.
        """
        st = getToolByName(self, "portal_skins")
        ct = getToolByName(self, "portal_catalog")
        f_params = {"search_sub": 1}
        c_params = {"portal_type": "CompositePack Viewlet"}
        mt = kwargs.get("meta_type")
        if mt is not None:
            f_params["obj_metatypes"] = mt
        else:
            f_params["obj_metatypes"] = ["Filesystem Composite Snippet"]
        text = kwargs.get("SearchableText")
        if mt is not None:
            f_params["obj_searchterm"] = text
            c_params["SearchableText"] = text
        f_res = st.ZopeFind(st, **f_params)
        s_res = ct(**c_params)
        context = kwargs.get("context")
        if context is not None:
            v_info = self.getViewletsFor(context)
            if v_info is not None:
                v_info = v_info.get("default", ()) + v_info.get("viewlets", ())
                v_ids = [v["id"] for v in v_info]
                s_res = filter(lambda b: b.id in v_ids, s_res)
        result = [t for p, t in f_res]
        templates = [b.getObject().getTemplate() for b in s_res]
        result.extend(templates)
        return templates
Exemplo n.º 4
0
class CompositeTool(BaseTool, Folder):
    """ CompositePack Tool """
    implements(ICompositeTool)
    id = TOOL_ID
    meta_type = 'CompositePack Tool'

    security = ClassSecurityInfo()

    _viewlets_by_type = None  # PersistentMapping
    _default_viewlets = ('default_viewlet', 'link_viewlet')
    _default_default = 'default_viewlet'
    _default_layout = ''

    _manage_composites = PageTemplateFile('composites.pt', zmi_dir)

    _manage_composables = PageTemplateFile('composables.pt', zmi_dir)

    _manage_layouts = PageTemplateFile('layouts.pt', zmi_dir)

    _manage_viewlets = PageTemplateFile('viewlets.pt', zmi_dir)

    macros_template = PageTemplateFile('macros.pt', zmi_dir)

    manage_options = insert_zmi_tab_after('Contents', {
        'label': 'Composites',
        'action': 'manage_composites'
    }, Folder.manage_options)

    manage_options = insert_zmi_tab_after('Composites', {
        'label': 'Composables',
        'action': 'manage_composables'
    }, manage_options)

    def __init__(self):
        Folder.__init__(self)
        BaseTool.__init__(self)
        self._layout_registry = LayoutRegistry()
        self._viewlet_registry = ViewletRegistry()

    def __repr__(self):
        return "CompositePack Tool"

    security.declarePublic("moveAndDelete")

    def moveAndDelete(self,
                      move_source_paths="",
                      move_target_path="",
                      move_target_index="",
                      delete_source_paths="",
                      composite_path="",
                      REQUEST=None):
        """Move and/or delete elements.
        """
        portal = getToolByName(self, 'portal_url').getPortalObject()

        # Try to get translation service for status messages
        translation_service = getToolByName(self, 'translation_service', None)
        if translation_service:
            utranslate = translation_service.utranslate
        # else I won't translate at all

        try:
            compo = portal.restrictedTraverse(composite_path)
        except AttributeError:
            # We cannot traverse towards the asked composite path, this might
            # happen when another user deleted the navigation page where we are
            # dragging an item to a new location.
            # Or in short: composite_path no longer exists at this place.
            error = 'The page you were working on has been moved or deleted by another user.'
            if translation_service:
                # Translate if possible
                message = utranslate('compopack',
                                     'navigation_page_deleted_or_moved', {},
                                     self,
                                     default=error)
            else:
                # We don't have a translation service? Then we will just serve
                # the default English error
                message = error
            status_message = '?portal_status_message=' + message

            if REQUEST:
                # Redirect to portal root with a status message, because
                # current document no longer exists at this place.
                url = getToolByName(self, 'portal_url')()
                url += status_message
                REQUEST.RESPONSE.redirect(url)
            return

        try:
            BaseTool.moveAndDelete(self, move_source_paths, move_target_path,
                                   move_target_index, delete_source_paths,
                                   REQUEST)
        except AttributeError:
            # Item cannot be moved or deleted because the item within this page has
            # been either deleted or moved to another location.
            error = 'The item you tried to move or delete was already touched by another user.'
            if translation_service:
                # Translate our error
                message = utranslate('compopack',
                                     'item_touched_by_other_user', {},
                                     self,
                                     default=error)
                status_message = '?portal_status_message=' + message
            else:
                # or not...
                message = error
            status_message = '?portal_status_message=' + message

            if REQUEST:
                # Redirect to same (updated) page with a smart remark
                url = REQUEST['HTTP_REFERER'].split('?')[0]
                url += status_message
                REQUEST.RESPONSE.redirect(url)
            return

        if REQUEST:
            # Change was succesful so remove any standing error messages and
            # reload the page
            url = REQUEST['HTTP_REFERER'].split('?')[0]
            REQUEST.RESPONSE.redirect(url)

    security.declarePrivate('getMapMetatypesPortalTypes')

    def getMapMetatypesPortalTypes(self):
        # compute a map of meta_types and corresponding portal_types
        tt = getToolByName(self, "portal_types")
        type_infos = tt.listTypeInfo()
        meta_portal = {}
        for ti in type_infos:
            if meta_portal.has_key(ti.content_meta_type):
                meta_portal[ti.content_meta_type].append(ti.getId())
            else:
                meta_portal[ti.content_meta_type] = [ti.getId()]
        return meta_portal

    security.declarePrivate('getRegisteredCompositePortalTypes')

    def getRegisteredCompositePortalTypes(self):
        meta_portal = self.getMapMetatypesPortalTypes()

        arche_data = listTypes()
        result = []
        for arche_type in arche_data:
            if hasattr(arche_type['klass'], 'cp_view'):
                result.extend(meta_portal.get(arche_type['meta_type'], []))
        return result

    security.declarePrivate('getRegisteredArchePortalTypes')

    def getRegisteredArchePortalTypes(self):
        meta_portal = self.getMapMetatypesPortalTypes()

        arche_data = listTypes()
        result = []
        for arche_type in arche_data:
            result.extend(meta_portal.get(arche_type['meta_type'], []))
        return result

    ## Composites ZMI tab

    security.declareProtected(ManagePortal, 'manage_composites')

    def manage_composites(self, REQUEST, manage_tabs_message=None):
        '''
        manage composites
        '''
        registered_composites = self.getRegisteredComposites()
        registered_composites.sort()

        compositePortalTypes = self.getRegisteredCompositePortalTypes()

        unregistered_composites = [
            pt for pt in compositePortalTypes
            if pt not in registered_composites
        ]
        unregistered_composites.sort()

        default_layout = self.queryDefaultLayout()

        all_layouts = self.getAllLayouts()
        return self._manage_composites(
            REQUEST,
            registered_composites=registered_composites,
            unregistered_composites=unregistered_composites,
            default_layout=default_layout,
            all_layouts=all_layouts)

    security.declareProtected(ManagePortal, 'manage_addComposites')

    def manage_addComposites(self,
                             REQUEST,
                             manage_tabs_message=None,
                             types=None):
        '''
        register composites
        '''
        if types is None:
            types = []
        for type in types:
            self.registerAsComposite(type)
        return self.REQUEST.RESPONSE.redirect('manage_composites')

    security.declareProtected(ManagePortal, 'manage_unregisterComposite')

    def manage_unregisterComposite(self, REQUEST, type=None):
        '''
        unregister composite
        '''
        if type is not None:
            self.unregisterAsComposite(type)
        return self.REQUEST.RESPONSE.redirect('manage_composites')

    security.declareProtected(ManagePortal, 'manage_setDefaultLayout')

    def manage_setDefaultLayout(self, REQUEST, layout_id=None):
        '''
        set default layout
        '''
        if layout_id is not None:
            self.setDefaultLayout(layout_id)
        return self.REQUEST.RESPONSE.redirect('manage_composites')

    ## Manage layouts per composite ZMI view

    security.declareProtected(ManagePortal, 'manage_layouts')

    def manage_layouts(self, REQUEST, manage_tabs_message=None, type=None):
        '''
        manage layouts
        '''
        def layout_sort(a, b):
            return cmp(a.title, b.title)

        if type is not None:
            registered_layouts = self.getRegisteredLayoutsForType(type)
            registered_layouts.sort(layout_sort)

            allLayouts = self.getAllLayouts()
            unregistered_layouts = [
                pt for pt in allLayouts if pt not in registered_layouts
            ]
            unregistered_layouts.sort(layout_sort)

            nodefault = self.noDefaultLayoutForType(type)
            default_layout = self.getLayoutById(self.getDefaultLayout()).title
            return self._manage_layouts(
                REQUEST,
                type=type,
                registered_layouts=registered_layouts,
                unregistered_layouts=unregistered_layouts,
                nodefault=nodefault,
                default_layout=default_layout)

    security.declareProtected(ManagePortal, 'manage_addLayouts')

    def manage_addLayouts(self,
                          REQUEST,
                          manage_tabs_message=None,
                          type=None,
                          layouts=None):
        '''
        register layouts for type
        '''
        if type is not None:
            if layouts is None:
                layouts = []
            for layout_id in layouts:
                layout = self.getLayoutById(layout_id)
                if layout:
                    self.registerLayoutForType(layout, type)
        #return self.manage_layouts(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect('manage_layouts?type=%s' %
                                              url_quote(type))

    security.declareProtected(ManagePortal, 'manage_unregisterLayout')

    def manage_unregisterLayout(self,
                                REQUEST,
                                manage_tabs_message=None,
                                type=None,
                                layout_id=None):
        '''
        unregister layouts for type
        '''
        if type is not None:
            layout = self.getLayoutById(layout_id)
            if layout:
                self.unregisterLayoutForType(layout, type)
        #return self.manage_layouts(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect('manage_layouts?type=%s' %
                                              url_quote(type))

    security.declareProtected(ManagePortal, 'manage_defaultLayout')

    def manage_defaultLayout(self,
                             REQUEST,
                             manage_tabs_message=None,
                             type=None,
                             default=None):
        '''
        set default layout for type
        '''
        if type is not None:
            if default == 'nodefault':
                self.clearDefaultLayoutForType(type)
            else:
                layout = self.getLayoutById(default)
                if layout:
                    self.setDefaultLayoutForType(layout, type)
        #return self.manage_layouts(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect('manage_layouts?type=%s' %
                                              url_quote(type))

    ## Composables ZMI tab

    security.declareProtected(ManagePortal, 'manage_composables')

    def manage_composables(self, REQUEST, manage_tabs_message=None):
        '''
        manage composables
        '''
        registered_composables = self.getRegisteredComposables()
        registered_composables.sort()

        archePortalTypes = self.getRegisteredArchePortalTypes()

        unregistered_composables = [
            pt for pt in archePortalTypes if pt not in registered_composables
        ]
        unregistered_composables.sort()

        return self._manage_composables(
            REQUEST,
            registered_composables=registered_composables,
            unregistered_composables=unregistered_composables)

    security.declareProtected(ManagePortal, 'manage_addComposables')

    def manage_addComposables(self,
                              REQUEST,
                              manage_tabs_message=None,
                              types=None):
        '''
        register composables
        '''
        if types is None:
            types = []
        for type in types:
            self.registerAsComposable(type)
        return self.REQUEST.RESPONSE.redirect('manage_composables')

    security.declareProtected(ManagePortal, 'manage_unregisterComposable')

    def manage_unregisterComposable(self, REQUEST, type=None):
        '''
        unregister composable
        '''
        if type is not None:
            self.unregisterAsComposable(type)
        return self.REQUEST.RESPONSE.redirect('manage_composables')

    ## Manage viewlets per composable ZMI view

    security.declareProtected(ManagePortal, 'manage_viewlets')

    def manage_viewlets(self, REQUEST, manage_tabs_message=None, type=None):
        '''
        manage viewlets
        '''
        def viewlet_sort(a, b):
            return cmp(a.title, b.title)

        if type is not None:
            registered_viewlets = self.getRegisteredViewletsForType(type)
            registered_viewlets.sort(viewlet_sort)

            use_default_viewlets = self.getTypeUseDefaultSetup(type)

            allViewlets = self.getAllViewlets()
            if use_default_viewlets:
                unregistered_viewlets = allViewlets
            else:
                unregistered_viewlets = [
                    pt for pt in allViewlets if pt not in registered_viewlets
                ]
            unregistered_viewlets.sort(viewlet_sort)

            nodefault = self.noDefaultViewletForType(type)

            return self._manage_viewlets(
                REQUEST,
                type=type,
                registered_viewlets=registered_viewlets,
                unregistered_viewlets=unregistered_viewlets,
                nodefault=nodefault,
                use_default_viewlets=use_default_viewlets)

    security.declareProtected(ManagePortal, 'manage_addViewlets')

    def manage_addViewlets(self,
                           REQUEST,
                           manage_tabs_message=None,
                           type=None,
                           viewlets=None):
        '''
        register viewlets for type
        '''
        if type is not None:
            if viewlets is None:
                viewlets = []
            for viewlet_id in viewlets:
                viewlet = self.getViewletById(viewlet_id)
                if viewlet:
                    self.registerViewletForType(viewlet, type)
        #return self.manage_viewlets(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect('manage_viewlets?type=%s' %
                                              url_quote(type))

    security.declareProtected(ManagePortal, 'manage_unregisterViewlet')

    def manage_unregisterViewlet(self,
                                 REQUEST,
                                 manage_tabs_message=None,
                                 type=None,
                                 viewlet_id=None):
        '''
        unregister viewlets for type
        '''
        if type is not None:
            viewlet = self.getViewletById(viewlet_id)
            if viewlet:
                self.unregisterViewletForType(viewlet, type)
        #return self.manage_viewlets(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect('manage_viewlets?type=%s' %
                                              url_quote(type))

    security.declareProtected(ManagePortal, 'manage_defaultViewlet')

    def manage_defaultViewlet(self,
                              REQUEST,
                              manage_tabs_message=None,
                              type=None,
                              default=None):
        '''
        set default viewlet for type
        '''
        if type is not None:
            if default == 'nodefault':
                self.clearDefaultViewletForType(type)
            else:
                viewlet = self.getViewletById(default)
                if viewlet:
                    self.setDefaultViewletForType(viewlet, type)
        #return self.manage_viewlets(REQUEST, type=type)
        return self.REQUEST.RESPONSE.redirect('manage_viewlets?type=%s' %
                                              url_quote(type))

    ## Viewlets management

    def registerAsComposable(self, items):
        if type(items) not in (TupleType, ListType):
            items = (items, )
        for item in items:
            self._viewlet_registry.registerContentType(item)
        self.updateKupuLibraryTool()

    def unregisterAsComposable(self, items):
        if type(items) not in (TupleType, ListType):
            items = (items, )
        for item in items:
            self._viewlet_registry.unregisterContentType(item)
        self.updateKupuLibraryTool()

    def getRegisteredComposables(self):
        return self._viewlet_registry.getContentTypes()

    def isComposable(self, type):
        return self._viewlet_registry.isContentTypeRegistered(type)

    def updateKupuLibraryTool(self):
        try:
            kt = getToolByName(self, KUPU_TOOL_ID)
        except AttributeError:
            return
        resource_list = [
            resource for resource in self.getRegisteredComposables()
            if not resource == DEFAULT
        ]
        kt.addResourceType(COMPOSABLE, resource_list)

    def clearViewletRegistry(self):
        self._viewlet_registry.clear()

    security.declareProtected(ManagePortal, 'registerViewlet')

    def registerViewlet(self, id, description, skin_method):
        from Products.CompositePack import viewlet
        viewlets = getattr(self, VIEWLETS)
        viewlet.addViewlet(viewlets, id=id)
        result = getattr(viewlets, id)
        result.setTitle(description)
        result.setSkinMethod(skin_method)
        return result

    security.declareProtected(ManagePortal, 'unregisterViewlet')

    def unregisterViewlet(self, id):
        viewlets = getattr(self, VIEWLETS)
        viewlets.manage_delObjects([id])

    def getAllViewlets(self):
        return self.viewlets.objectValues()

    def registerViewletForType(self, viewlet, type):
        self._viewlet_registry.registerForType(viewlet.getId(), type)

    def unregisterViewletForType(self, viewlet, type, force=False):
        self._viewlet_registry.unregisterForType(viewlet.getId(), type, force)

    def getViewletById(self, id):
        if hasattr(aq_base(self.viewlets), id):
            return getattr(self.viewlets, id)
        else:
            return None

    def getRegisteredViewletsForType(self, type):
        result = [
            self.getViewletById(viewlet_id)
            for viewlet_id in self._viewlet_registry.getForType(type)
        ]
        result = [item for item in result if item]
        return result

    def setDefaultViewletForType(self, viewlet, type):
        self._viewlet_registry.setDefaultForType(viewlet.getId(), type)

    def clearDefaultViewletForType(self, type):
        self._viewlet_registry.setDefaultForType(None, type)

    def getDefaultViewletForType(self, type):
        viewlet_id = self._viewlet_registry.getDefaultForType(type)
        return self.getViewletById(viewlet_id)

    def getTypeUseDefaultSetup(self, type):
        return self._viewlet_registry.getTypeUseDefaultSetup(type)

    def getTypeUseDefaultFromDefaultSetup(self, type):
        return self._viewlet_registry.getTypeUseDefaultFromDefaultSetup(type)

    def noDefaultViewletForType(self, type):
        result = False
        try:
            viewlet_id = self._viewlet_registry.getDefaultForType(type)
        except CompositePackError:
            result = True
        return result

    ## viewlets for default setup
    def registerViewletForDefaultSetup(self, viewlet):
        self._viewlet_registry.registerForType(viewlet.getId(), DEFAULT)

    def unregisterViewletForDefaultSetup(self, viewlet, force=False):
        self._viewlet_registry.unregisterForType(viewlet.getId(), DEFAULT,
                                                 force)

    def getRegisteredViewletsForDefaultSetup(self):
        result = [
            self.getViewletById(viewlet_id)
            for viewlet_id in self._viewlet_registry.getForType(DEFAULT)
        ]
        result = [item for item in result if item]
        return result

    def setDefaultViewletForDefaultSetup(self, viewlet):
        self._viewlet_registry.setDefaultForType(viewlet.getId(), DEFAULT)

    def clearDefaultViewletForDefaultSetup(self):
        self._viewlet_registry.setDefaultForType(None, DEFAULT)

    def getDefaultViewletForDefaultSetup(self):
        viewlet_id = self._viewlet_registry.getDefaultForType(DEFAULT)
        return self.getViewletById(viewlet_id)

    def noDefaultViewletForDefaultSetup(self):
        result = False
        try:
            viewlet_id = self._viewlet_registry.getDefaultForType(DEFAULT)
        except CompositePackError:
            result = True
        return result

    ## Layouts management

    def registerAsComposite(self, items):
        if type(items) not in (TupleType, ListType):
            items = (items, )
        for item in items:
            self._layout_registry.registerContentType(item)

    def unregisterAsComposite(self, items):
        if type(items) not in (TupleType, ListType):
            items = (items, )
        for item in items:
            self._layout_registry.unregisterContentType(item)

    def getRegisteredComposites(self):
        return self._layout_registry.getContentTypes()

    def isComposite(self, type):
        return self._layout_registry.isContentTypeRegistered(type)

    def clearLayoutRegistry(self):
        self._layout_registry.clear()

    security.declareProtected(ManagePortal, 'registerLayout')

    def registerLayout(self, id, description, skin_method):
        from Products.CompositePack import viewlet
        layouts = getattr(self, LAYOUTS)
        viewlet.addLayout(layouts, id=id)
        result = getattr(layouts, id)
        result.setTitle(description)
        result.setSkinMethod(skin_method)
        return result

    security.declareProtected(ManagePortal, 'unregisterLayout')

    def unregisterLayout(self, id):
        layouts = getattr(self, LAYOUTS)
        layouts.manage_delObjects([id])

    def registerLayoutForType(self, layout, type):
        # If the type is not registered yet, implicitly register it.
        if not self._layout_registry.isContentTypeRegistered(type):
            self._layout_registry.registerContentType(type)
        self._layout_registry.registerForType(layout.getId(), type)

    def unregisterLayoutForType(self, layout, type, force=False):
        self._layout_registry.unregisterForType(layout.getId(), type, force)

    def getLayoutById(self, id):
        if hasattr(aq_base(self.layouts), id):
            return getattr(self.layouts, id)
        else:
            return None

    def getAllLayouts(self):
        return self.layouts.objectValues()

    def getRegisteredLayoutsForType(self, type):
        layouts = self._layout_registry.getForType(type)
        if layouts is None:
            layouts = self.layouts.objectIds()
        result = [self.getLayoutById(layout_id) for layout_id in layouts]
        result = [item for item in result if item]
        return result

    def setDefaultLayoutForType(self, layout, type):
        self._layout_registry.setDefaultForType(layout.getId(), type)

    def clearDefaultLayoutForType(self, type):
        self._layout_registry.setDefaultForType(None, type)

    def getDefaultLayoutForType(self, type):
        layout_id = self._layout_registry.queryDefaultForType(type,
                                                              default=None)
        if not layout_id or not self.getLayoutById(layout_id):
            layout_id = self.getDefaultLayout()
        return self.getLayoutById(layout_id)

    def noDefaultLayoutForType(self, type):
        result = False
        try:
            layout_id = self._layout_registry.getDefaultForType(type)
        except CompositePackError:
            result = True
        return result

    security.declareProtected(ManagePortal, 'manage_selectViewlets')

    def manage_selectViewlets(self, REQUEST, manage_tabs_message=None):
        """Manage association between types and viewlets.
        """
        vbt = self._viewlets_by_type
        ti = self._listTypeInfo()
        types_info = []
        # Viewlet IDs. All viewlets are available for
        # all content types for now, but this may change in the
        # future.
        viewlet_info = [{
            'id': ob.getId(),
            'title': ob.title_or_id()
        } for ob in self.viewlets.objectValues()]
        viewlet_info.sort(lambda x, y: cmp(x['title'], y['title']))
        available_viewlets = viewlet_info[:]
        viewlet_info.insert(0, {'id': DEFAULT, 'title': 'use Default Setup'})
        for t in ti:
            id = t.getId()
            title = t.Title()
            if title == id:
                title = None
            if vbt is not None and vbt.has_key(id):
                viewlets = vbt[id].viewlets
                default_per_type = vbt[id].default
            else:
                viewlets = (DEFAULT, )
                default_per_type = DEFAULT
            types_info.append({
                'id': id,
                'title': title,
                'viewlets': viewlets,
                'default': default_per_type,
                'viewlet_info': viewlet_info
            })

        return self._manage_selectViewlets(
            REQUEST,
            default_viewlets=self._default_viewlets,
            default_default=self._default_default,
            types_info=types_info,
            available_viewlets=available_viewlets)

    _manage_selectViewlets = PageTemplateFile('selectViewlets.pt', zmi_dir)

    security.declareProtected(ManagePortal, 'manage_changeViewlets')
    def manage_changeViewlets(self, default_viewlets, default_default, \
                              props=None, REQUEST=None):
        """ Changes which viewlets apply to objects of which type.
        """
        if props is None:
            props = REQUEST
        # Set up the default viewlets.
        self.setDefaultViewlets(default_viewlets, default_default)
        ti = self._listTypeInfo()
        # Set up the viewlets by type.
        for t in ti:
            type = t.getId()
            field_name = 'viewlets_%s' % type
            viewlet_ids = tuple(props.get(field_name, (DEFAULT, )))
            field_name = 'default_%s' % type
            default_viewlet = props.get(field_name, DEFAULT).strip()
            self.setViewletsForType(type, viewlet_ids, default_viewlet)
        if REQUEST is not None:
            return self.manage_selectViewlets(REQUEST,
                                              manage_tabs_message='Changed.')

    security.declareProtected(ManagePortal, 'setDefaultViewlets')

    def setViewletsForType(self, type, viewlet_ids, default_viewlet):
        """ Setup viewlets used by type.
        """
        if viewlet_ids == (DEFAULT, ):
            self._viewlet_registry.setTypeUseDefaultSetup(type)
            viewlet_ids = self._viewlet_registry.getForType(type)
            viewlets = [
                self.getViewletById(viewlet_id) for viewlet_id in viewlet_ids
            ]
        else:
            self._viewlet_registry.clearForType(type)
            viewlets = [
                self.getViewletById(viewlet_id) for viewlet_id in viewlet_ids
            ]
            for viewlet in viewlets:
                self.registerViewletForType(viewlet, type)
        if default_viewlet == DEFAULT:
            default_viewlet = self.getDefaultViewletForDefaultSetup()
            if default_viewlet in viewlets:
                self._viewlet_registry.setTypeUseDefaultFromDefaultSetup(type)
            else:
                raise CompositePackError, 'default_viewlet not among viewlet_ids'
        else:
            default_viewlet = self.getViewletById(default_viewlet)
            if default_viewlet in viewlets:
                self.setDefaultViewletForType(default_viewlet, type)
            else:
                raise CompositePackError, 'default_viewlet not among viewlet_ids'

    def old_setViewletsForType(self, type, viewlet_ids, default_viewlet):
        vbt = self._viewlets_by_type
        if vbt is None:
            self._viewlets_by_type = vbt = PersistentMapping()
        if viewlet_ids == (DEFAULT, ) and default_viewlet == DEFAULT:
            # Remove from vbt.
            if vbt.has_key(type):
                del vbt[type]
        else:
            viewlet_ids = filter(lambda x: x != DEFAULT, viewlet_ids)
            ids = []
            for viewlet_id in viewlet_ids:
                if viewlet_id:
                    if not self.getViewletById(viewlet_id):
                        raise ValueError, ('"%s" is not a '
                                           'registered viewlet.' % viewlet_id)
                    ids.append(viewlet_id)
            if default_viewlet == DEFAULT:
                if self._default_default not in viewlet_ids:
                    raise ValueError, (
                        'For type %s, the default viewlet (%s) '
                        'is not among viewlets '
                        '(%s).' % (type, self._default_default, viewlet_ids))
            elif not (
                (not viewlet_ids and default_viewlet in self._default_viewlets)
                    or default_viewlet in viewlet_ids):
                if not viewlet_ids:
                    viewlet_ids = self._default_viewlets
                raise ValueError, ('For type %s, the default viewlet '
                                   '(%s) is not among viewlets '
                                   '(%s).' %
                                   (type, default_viewlet, viewlet_ids))
            vft = ViewletsForType()
            if not ids:
                ids = (DEFAULT, )
            vft.viewlets = tuple(ids)
            vft.default = default_viewlet
            vbt[type] = vft

    security.declareProtected(ManagePortal, 'setDefaultViewlets')

    def setDefaultViewlets(self, viewlet_ids, default_viewlet):
        """ Setup viewlets used by types for which nothing has been setup.
        """
        self._viewlet_registry.clearForType(DEFAULT)
        viewlets = [
            self.getViewletById(viewlet_id) for viewlet_id in viewlet_ids
        ]
        for viewlet in viewlets:
            self.registerViewletForDefaultSetup(viewlet)
        default_viewlet = self.getViewletById(default_viewlet)
        if default_viewlet in viewlets:
            self.setDefaultViewletForDefaultSetup(default_viewlet)
        else:
            raise CompositePackError, 'default_viewlet not among viewlet_ids'

    def old_setDefaultViewlets(self, viewlet_ids, default_viewlet):
        ids = []
        for viewlet_id in viewlet_ids:
            if viewlet_id:
                if not self.getViewletById(viewlet_id):
                    raise ValueError, (
                        'Default setup : "%s" is not a registered viewlet.' %
                        viewlet_id)
                ids.append(viewlet_id)
        if default_viewlet not in ids:
            raise ValueError, ('The default viewlet (%s) of the default '
                               'setup should be among the '
                               'viewlets (%s).' %
                               (default_viewlet, viewlet_ids))
        self._default_viewlets = tuple(ids)
        self._default_default = default_viewlet

    security.declarePrivate('_listTypeInfo')

    def _listTypeInfo(self):
        """ List the portal types which are available.
        """
        pt = getToolByName(self, 'portal_types', None)
        at = getToolByName(self, 'archetype_tool', None)
        if (pt is None) or (at is None):
            return ()
        else:
            meta_types = [
                ty['meta_type'] for ty in at.listRegisteredTypes()
                if IReferenceable.isImplementedByInstancesOf(ty['klass'])
            ]
            tis = [
                t for t in pt.objectValues()
                if t.content_meta_type in meta_types
            ]
            tis.sort(lambda a, b: cmp(a.Title(), b.Title()))
            return tis

    def queryDefaultLayout(self, default=None):
        layout_id = self._default_layout
        if self.getLayoutById(layout_id) is None:
            return default
        return layout_id

    def getDefaultLayout(self):
        layout_id = self._default_layout
        if self.getLayoutById(layout_id) is None:
            raise CompositePackError, ("Tool default layout %s is no more "
                                       "registered" % layout_id)
        return layout_id

    def setDefaultLayout(self, layout_id):
        if self.getLayoutById(layout_id) is None:
            raise CompositePackError, ("%s is not a registered "
                                       "layout" % layout_id)
        self._default_layout = layout_id

    def getViewletsFor(self, obj=None):
        """ Get viewlets for a given object """
        type_id = None
        if obj is not None:
            type_id = obj.getTypeInfo().getId()
        return self.getViewletsForType(type_id)

    def getViewletsForType(self, portal_type=None):
        """ Get viewlets for a given type

        Return a dict where:

          - 'default' value is the default viewlet struct
          - 'viewlets' value is a list of structs with
            the other viewlets

        Each struct is composed of:

          - Viewlet id
          - Viewlet title
          - Viewlet object

        May return None.
        """
        try:
            default = self.getDefaultViewletForType(portal_type).getId()
        except CompositePackError:
            default = self.getDefaultViewletForDefaultSetup().getId()

        viewlets = {}
        registered_viewlets = self.getRegisteredViewletsForType(portal_type)
        if not registered_viewlets:
            registered_viewlets = self.getRegisteredViewletsForDefaultSetup()

        for viewlet in registered_viewlets:
            id = viewlet.getId()
            viewlets[id] = {
                'id': id,
                'title': viewlet.title_or_id(),
                'viewlet': viewlet
            }
        viewlets_info = viewlets.values()
        if viewlets.has_key(default):
            default_viewlet = viewlets[default]
            del viewlets[default]
            viewlets_info = viewlets.values()
        else:
            default_viewlet = viewlets_info.pop()

        return {'default': default_viewlet, 'viewlets': viewlets_info}

    def old_getViewletsForType(self, portal_type=None):
        vbt = self._viewlets_by_type
        if vbt is not None:
            info = vbt.get(portal_type)
            if info is None:
                # Return default viewlets
                default = self._default_default
                viewlets = self._default_viewlets
            else:
                default = info.default
                if default == DEFAULT:
                    default = self._default_default
                viewlets = info.viewlets
                if viewlets == (DEFAULT, ):
                    viewlets = self._default_viewlets
        else:
            # Return default viewlets
            default = self._default_default
            viewlets = self._default_viewlets
        v_names = tuple(viewlets) + (default, )
        v_names = filter(lambda x: x != DEFAULT, v_names)
        viewlets = {}
        for name in v_names:
            viewlet = self.getViewletById(name)
            if viewlet is None:
                continue
            viewlets[name] = {
                'id': name,
                'title': viewlet.title_or_id(),
                'viewlet': viewlet
            }
        if not viewlets:
            return None
        viewlets_info = viewlets.values()
        if viewlets.has_key(default):
            default_viewlet = viewlets[default]
            del viewlets[default]
            viewlets_info = viewlets.values()
        else:
            default_viewlet = viewlets_info.pop()
        return {'default': default_viewlet, 'viewlets': viewlets_info}

    def findSnippets(self, **kwargs):
        """ Find snippets for use as Composite Element targets

        Those can include:
           - Filesystem Composite Snippets
           - Registered Viewlets

        In the case where a 'context' keyword argument is passed,
        the viewlets returned are only those that apply to the context.
        """
        st = getToolByName(self, 'portal_skins')
        ct = getToolByName(self, 'portal_catalog')
        f_params = {'search_sub': 1}
        c_params = {'portal_type': 'CompositePack Viewlet'}
        mt = kwargs.get('meta_type')
        if mt is not None:
            f_params['obj_metatypes'] = mt
        else:
            f_params['obj_metatypes'] = ['Filesystem Composite Snippet']
        text = kwargs.get('SearchableText')
        if mt is not None:
            f_params['obj_searchterm'] = text
            c_params['SearchableText'] = text
        f_res = st.ZopeFind(st, **f_params)
        s_res = ct(**c_params)
        context = kwargs.get('context')
        if context is not None:
            v_info = self.getViewletsFor(context)
            if v_info is not None:
                v_info = v_info.get('default', ()) + v_info.get('viewlets', ())
                v_ids = [v['id'] for v in v_info]
                s_res = filter(lambda b: b.id in v_ids, s_res)
        result = [t for p, t in f_res]
        templates = [b.getObject().getTemplate() for b in s_res]
        result.extend(templates)
        return templates