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plonelibrarytool.py

##############################################################################
#
# Copyright (c) 2003-2005 Kupu Contributors. All rights reserved.
#
# This software is distributed under the terms of the Kupu
# License. See LICENSE.txt for license text. For a list of Kupu
# Contributors see CREDITS.txt.
#
##############################################################################
"""Plone Kupu library tool

This module contains the Plone specific version of the Kupu library
tool.

$Id: plonelibrarytool.py 16077 2005-08-15 10:06:38Z duncan $
"""
import os
from ZODB.PersistentList import PersistentList
from ZODB.PersistentMapping import PersistentMapping
from AccessControl import ClassSecurityInfo
from OFS.SimpleItem import SimpleItem
import Globals
from Globals import InitializeClass

from Products.PageTemplates.PageTemplateFile import PageTemplateFile
from Products.CMFCore.utils import UniqueObject, getToolByName

from Products.kupu.plone.librarytool import KupuLibraryTool
from Products.kupu.plone import permissions, scanner
from Products.kupu import kupu_globals
from Products.kupu.config import TOOLNAME, TOOLTITLE

_default_libraries = (
    dict(id="root",
         title="string:Home",
         uri="string:${portal_url}",
         src="string:${portal_url}/kupucollection.xml",
         icon="string:${portal_url}/misc_/CMFPlone/plone_icon"),
    dict(id="current",
         title="string:Current folder",
         uri="string:${folder_url}",
         src="string:${folder_url}/kupucollection.xml",
         icon="string:${portal_url}/folder_icon.gif"),
    dict(id="myitems",
         title="string:My recent items",
         uri="string:${portal_url}/kupumyitems.xml",
         src="string:${portal_url}/kupumyitems.xml",
         icon="string:${portal_url}/kupuimages/kupusearch_icon.gif"),
    dict(id="recentitems",
         title="string:Recent items",
         uri="string:${portal_url}/kupurecentitems.xml",
         src="string:${portal_url}/kupurecentitems.xml",
         icon="string:${portal_url}/kupuimages/kupusearch_icon.gif")
    )

_default_resource_types = {
    'collection': ('Plone Site', 'Folder', 'Large Plone Folder'),
    'mediaobject': ('Image',),
    'linkable': ('Document', 'Image', 'File', 'News Item', 'Event')
    }

# Tidy up html by exlcluding lots of things.
_excluded_html = [
  (('center', 'span', 'tt', 'big', 'small', 'u', 's', 'strike', 'basefont', 'font'), ()),
  ((), ('dir','lang','valign','halign','border','frame','rules','cellspacing','cellpadding','bgcolor')),
  (('table','th','td'),('width','height')),
]

# Default should list all styles used by Kupu
_style_whitelist = ['text-align', 'list-style-type', 'float']

_default_paragraph_styles = (
    "Heading|h2|Heading",
    "Subheading|h3|Subheading",
    "Formatted|pre",
)

00078 class PloneKupuLibraryTool(UniqueObject, SimpleItem, KupuLibraryTool):
    """Plone specific version of the kupu library tool"""

    id = TOOLNAME
    meta_type = "Kupu Library Tool"
    title = TOOLTITLE
    security = ClassSecurityInfo()

    # protect methods provided by super class KupuLibraryTool
    security.declareProtected(permissions.QueryLibraries, "getLibraries",
                              "getPortalTypesForResourceType")
    security.declareProtected(permissions.ManageLibraries, "addLibrary",
                              "deleteLibraries", "updateLibraries",
                              "moveUp", "moveDown")
    security.declareProtected(permissions.ManageLibraries, "addResourceType",
                              "updateResourceTypes", "deleteResourceTypes")

    def __init__(self):
        self._libraries = PersistentList()
        self._res_types = PersistentMapping()
        self.linkbyuid = False

    def manage_afterAdd(self, item, container):
        # We load default values here, so __init__ can still be used
        # in unit tests. Plus, it only makes sense to load these if
        # we're being added to a Plone site anyway
        for lib in _default_libraries:
            self.addLibrary(**lib)
        self._res_types.update(_default_resource_types)

    security.declareProtected('View', "getLinkbyuid")
00109     def getLinkbyuid(self):
        """Returns 'is linking by UID enabled'?"""
        try:
            return self.linkbyuid
        except AttributeError:
            return 1

    security.declareProtected('View', "getTableClassnames")
00117     def getTableClassnames(self):
        """Return a list of classnames supported in tables"""
        try:
            return self.table_classnames
        except AttributeError:
            return ('plain', 'listing', 'vertical listing', 'listing nosort|unsorted listing')

    security.declareProtected('View', "getParagraphStyles")
00125     def getParagraphStyles(self):
        """Return a list of classnames supported by paragraphs"""
        try:
            return self.paragraph_styles
        except AttributeError:
            return _default_paragraph_styles

    security.declareProtected('View', "getHtmlExclusions")
    def getHtmlExclusions(self):
        try:
            return self.html_exclusions
        except AttributeError:
            self.html_exclusions = _excluded_html
            return self.html_exclusions

    security.declareProtected('View', "getStyleWhitelist")
    def getStyleWhitelist(self):
        try:
            return self.style_whitelist
        except AttributeError:
            self.style_whitelist = _style_whitelist
            return self.style_whitelist

    security.declareProtected('View', "getClassBlacklist")
    def getClassBlacklist(self):
        return getattr(self, 'class_blacklist', [])

    security.declareProtected('View', "getClassBlacklist")
    def installBeforeUnload(self):
        return getattr(self, 'install_beforeunload', True)

    security.declareProtected('View', 'isKupuEnabled')
    def isKupuEnabled(self, useragent='', allowAnonymous=False, REQUEST=None):
        def numerics(s):
            '''Convert a string into a tuple of all digit sequences
            '''
            seq = ['']
            for c in s:
                if c.isdigit():
                    seq[-1] = seq[-1] + c
                elif seq[-1]:
                    seq.append('')
            return tuple([ int(val) for val in seq if val])

        # First check whether the user actually wants kupu
        pm = getToolByName(self, 'portal_membership')
        if pm.isAnonymousUser() and not allowAnonymous:
            return False

        user = pm.getAuthenticatedMember()
        if user.getProperty('wysiwyg_editor').lower() != 'kupu':
            return False

        # Then check whether their browser supports it.
        if not useragent:
            useragent = REQUEST['HTTP_USER_AGENT']

        if 'Opera' in useragent or 'BEOS' in useragent:
            return False

        if not useragent.startswith('Mozilla/'):
            return False

        try:
            mozillaver = numerics(useragent[len('Mozilla/'):].split(' ')[0])
            if mozillaver > (5,0):
                return True
            elif mozillaver == (5,0):
                rv = useragent.find(' rv:')
                if rv >= 0:
                    verno = numerics(useragent[rv+4:].split(')')[0])
                    return verno >= (1,3,1)

            MSIE = useragent.find('MSIE')
            if MSIE >= 0:
                verno = numerics(useragent[MSIE+4:].split(';')[0])
                return verno >= (5,5)

        except:
            # In case some weird browser makes the test code blow up.
            pass
        return False

    # ZMI views
    manage_options = (SimpleItem.manage_options[1:] + (
         dict(label='Config', action='kupu_config'),
         dict(label='Libraries', action='zmi_libraries'),
         dict(label='Resource types', action='zmi_resource_types'),
         dict(label='Documentation', action='zmi_docs'),
         dict(label='Status', action='sanity_check'),
         ))


    security.declarePublic('scanIds')
00219     def scanIds(self):
        """Finds the relevant source files and the doller/Id/dollar strings they contain"""
        return scanner.scanIds()

    security.declarePublic('scanKWS')
00224     def scanKWS(self):
        """Check that kupu_wysiwyg_support is up to date"""
        return scanner.scanKWS()

    security.declarePublic('docs')
00229     def docs(self):
        """Returns Kupu docs formatted as HTML"""
        docpath = os.path.join(Globals.package_home(kupu_globals), 'doc')
        f = open(os.path.join(docpath, 'PLONE2.txt'), 'r')
        _docs = f.read()
        return _docs

    security.declareProtected(permissions.ManageLibraries, "zmi_docs")
    zmi_docs = PageTemplateFile("zmi_docs.pt", globals())
    zmi_docs.title = 'kupu configuration documentation'

    security.declareProtected(permissions.ManageLibraries, "sanity_check")
    sanity_check = PageTemplateFile("sanity_check.pt", globals())
    sanity_check.title = 'kupu status'

    security.declareProtected(permissions.ManageLibraries, "kupu_config")
    kupu_config = PageTemplateFile("kupu_config.pt", globals())
    kupu_config.title = 'kupu configuration'

    security.declareProtected(permissions.ManageLibraries, "zmi_libraries")
    zmi_libraries = PageTemplateFile("libraries.pt", globals())
    zmi_libraries.title = 'kupu configuration'

    security.declareProtected(permissions.ManageLibraries, "zmi_resource_types")
    zmi_resource_types = PageTemplateFile("resource_types.pt", globals())
    zmi_resource_types.title = 'kupu configuration'

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_get_libraries")
00258     def zmi_get_libraries(self):
        """Return the libraries sequence for the ZMI view"""
        #return ()
        def text(value):
            return getattr(value, 'text', value)
        return [dict([(key, text(value)) for key, value in lib.items()])
                for lib in self._libraries]

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_add_library")
00268     def zmi_add_library(self, id, title, uri, src, icon, REQUEST):
        """Add a library through the ZMI"""
        self.addLibrary(id, title, uri, src, icon)
        REQUEST.RESPONSE.redirect(self.absolute_url() + '/zmi_libraries')

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_update_libraries")
00275     def zmi_update_libraries(self, libraries, REQUEST):
        """Update libraries through the ZMI"""
        self.updateLibraries(libraries)
        REQUEST.RESPONSE.redirect(self.absolute_url() + '/zmi_libraries')

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_delete_libraries")
00282     def zmi_delete_libraries(self, indices, REQUEST):
        """Delete libraries through the ZMI"""
        self.deleteLibraries(indices)
        REQUEST.RESPONSE.redirect(self.absolute_url() + '/zmi_libraries')

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_move_up")
00289     def zmi_move_up(self, indices, REQUEST):
        """Move libraries up through the ZMI"""
        self.moveUp(indices)
        REQUEST.RESPONSE.redirect(self.absolute_url() + '/zmi_libraries')

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_move_down")
00296     def zmi_move_down(self, indices, REQUEST):
        """Move libraries down through the ZMI"""
        self.moveDown(indices)
        REQUEST.RESPONSE.redirect(self.absolute_url() + '/zmi_libraries')

    security.declarePublic("zmi_get_default_library")
00302     def zmi_get_default_library(self):
        """Return the default selected library for the ZMI view"""
        return getattr(self, '_default_library', '')

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_set_default_library")
00308     def zmi_set_default_library(self, defid=''):
        """Return the libraries sequence for the ZMI view"""
        self._default_library = defid

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_get_type_mapping")
00314     def zmi_get_type_mapping(self):
        """Return the type mapping for the ZMI view"""
        return [(res_type, tuple(portal_type)) for res_type, portal_type
                in self._res_types.items()]

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_add_resource_type")
00321     def zmi_add_resource_type(self, resource_type, portal_types, REQUEST):
        """Add resource type through the ZMI"""
        self.addResourceType(resource_type, portal_types)
        REQUEST.RESPONSE.redirect(self.absolute_url() + '/zmi_resource_types')

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_update_resource_types")
00328     def zmi_update_resource_types(self, type_info, REQUEST):
        """Update resource types through the ZMI"""
        self.updateResourceTypes(type_info)
        REQUEST.RESPONSE.redirect(self.absolute_url() + '/zmi_resource_types')

    security.declareProtected(permissions.ManageLibraries,
                              "zmi_delete_resource_types")
00335     def zmi_delete_resource_types(self, resource_types, REQUEST):
        """Delete resource types through the ZMI"""
        self.deleteResourceTypes(resource_types)
        REQUEST.RESPONSE.redirect(self.absolute_url() + '/zmi_resource_types')

    security.declareProtected(permissions.ManageLibraries,
                              "configure_kupu")
00342     def configure_kupu(self,
        linkbyuid, table_classnames, html_exclusions, style_whitelist, class_blacklist,
        installBeforeUnload=None, parastyles=None,
        REQUEST=None):
        """Delete resource types through the ZMI"""
        self.linkbyuid = int(linkbyuid)
        self.table_classnames = table_classnames
        if installBeforeUnload is not None:
            self.install_beforeunload = bool(installBeforeUnload)
        if parastyles:
            self.paragraph_styles = [ line.strip() for line in parastyles if line.strip() ]

        newex = html_exclusions[-1]
            
        html_exclusions = [ (tuple(h.get('tags', ())), tuple(h.get('attributes', ())))
            for h in html_exclusions[:-1] if h.get('keep')]
        
        tags, attr = newex.get('tags', ()), newex.get('attributes', ())
        if tags or attr:
            tags = tuple(tags.replace(',',' ').split())
            attr = tuple(attr.replace(',',' ').split())
            html_exclusions.append((tags, attr))

        self.html_exclusions = html_exclusions

        self.style_whitelist = list(style_whitelist)
        self.class_blacklist = list(class_blacklist)

        if REQUEST:
            REQUEST.RESPONSE.redirect(self.absolute_url() + '/kupu_config')

InitializeClass(PloneKupuLibraryTool)

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