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##############################################################################
#
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# Copyright (c) 2002,2006 Nexedi SARL and Contributors. All Rights Reserved.
#                    Yoshinori Okuji <yo@nexedi.com>
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#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
##############################################################################

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import string, types, sys
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from OFS.Traversable import NotFound
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from AccessControl import ClassSecurityInfo
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from Products.Formulator.DummyField import fields
from Products.Formulator import Widget, Validator
from Products.Formulator.Field import ZMIField
from Products.Formulator.Form import BasicForm
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from Products.Formulator.Errors import FormValidationError, ValidationError
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from Products.Formulator.MethodField import BoundMethod
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from Selection import Selection, DomainSelection
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from DateTime import DateTime
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from Products.ERP5Type.Utils import getPath, convertToUpperCase
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from Products.ERP5Type.Document import newTempBase
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from Products.CMFCore.utils import getToolByName
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from copy import copy
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from Products.ZSQLCatalog.zsqlbrain import ZSQLBrain
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from Products.ERP5Type.Message import Message
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from Acquisition import aq_base, aq_inner, aq_parent, aq_self
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from zLOG import LOG, WARNING
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from ZODB.POSException import ConflictError
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from Globals import InitializeClass, Persistent, Acquisition, get_request
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from Products.PythonScripts.Utility import allow_class
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from Products.PageTemplates.PageTemplateFile import PageTemplateFile
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import random
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import md5
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import cgi
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# For compatibility with Python 2.3.
try:
  set
except NameError:
  from sets import Set as set


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class ObjectValuesWrapper:
  """This class wraps objectValues so that objectValues behaves like portal_catalog.
  """
  method_name = __name__ = 'objectValues'
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  def __init__(self, context):
    self.context = context
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  def __call__(self, *args, **kw):
    brain_list = []
    for obj in self.context.objectValues(*args, **kw):
      brain = ZSQLBrain(None, None).__of__(obj)
      brain.uid = obj.getUid()
      brain.path = obj.getPath()
      brain_list.append(brain)
    return brain_list

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class ReportTree:
  """This class describes a report tree.
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  """
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  def __init__(self, obj = None, is_pure_summary = False, depth = 0, is_open = False,
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               domain_selection = None, exception_uid_list = None, base_category = None):
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    self.obj = obj
    self.is_pure_summary = is_pure_summary
    self.depth = depth
    self.is_open = is_open
    self.domain_selection = domain_selection
    self.exception_uid_list = exception_uid_list
    if exception_uid_list is None:
      self.exception_uid_set = None
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    else:
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      self.exception_uid_set = set(exception_uid_list)
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    self.base_category = base_category
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    relative_url = obj.getRelativeUrl()
    if base_category is not None and not relative_url.startswith(base_category + '/'):
      self.domain_url = '%s/%s' % (base_category, relative_url)
    else:
      self.domain_url = relative_url

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allow_class(ReportTree)

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class ReportSection:
  """This class describes a report section.
  """
  def __init__(self, is_summary = False, object_list = (), object_list_len = 0,
               is_open = False, domain_selection = None, context = None, offset = 0,
               depth = 0):
    self.is_summary = is_summary
    self.object_list = object_list
    self.object_list_len = object_list_len
    self.is_open = is_open
    self.domain_selection = domain_selection
    self.context = context
    self.offset = offset
    self.depth = depth
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class ListBoxWidget(Widget.Widget):
    """
        ListBox widget

        The ListBox widget allows to display a collection of objects in a form.
        The ListBox widget can be used for many applications:

        1- show the content of a folder by providing a list of meta_types
           and eventually a sort order

        2- show the content of a relation by providing the name of the relation,
           a list of meta_types and eventually a sort order

        3- show the result of a search request by selecting a query and
           providing parameters for that query (and eventually a sort order)

        In all 3 cases, a parameter to hold the current start item must be
        stored somewhere, typically in a selection object.

        Parameters in case 3 should stored in a selection object which allows a per user
        per PC storage.

        ListBox uses the following control variables

        - sort_by -- the id to sort results

        - sort_order -- the order of sorting
    """
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    # Define Properties for ListBoxWidget.
    property_names = list(Widget.Widget.property_names)

    # Default has no meaning in ListBox.
    property_names.remove('default')
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    lines = fields.IntegerField('lines',
                                title='Lines',
                                description=(
        "The number of lines of this list. Required."),
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                                default=20,
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                                required=1)
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    property_names.append('lines')
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    columns = fields.ListTextAreaField('columns',
                                 title="Columns",
                                 description=(
        "A list of attributes names to display. Required."),
                                 default=[],
                                 required=1)
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    property_names.append('columns')
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    all_columns = fields.ListTextAreaField('all_columns',
                                 title="More Columns",
                                 description=(
        "An optional list of attributes names to display."),
                                 default=[],
                                 required=0)
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    property_names.append('all_columns')
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    search_columns = fields.ListTextAreaField('search_columns',
                                 title="Searchable Columns",
                                 description=(
        "An optional list of columns to search."),
                                 default=[],
                                 required=0)
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    property_names.append('search_columns')
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    sort_columns = fields.ListTextAreaField('sort_columns',
                                 title="Sortable Columns",
                                 description=(
        "An optional list of columns to sort."),
                                 default=[],
                                 required=0)
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    property_names.append('sort_columns')
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    sort = fields.ListTextAreaField('sort',
                                 title='Default Sort',
                                 description=('The default sort keys and order'),
                                 default=[],
                                 required=0)
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    property_names.append('sort')
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    list_method = fields.MethodField('list_method',
                                 title='List Method',
                                 description=('The method to use to list'
                                              'objects'),
                                 default='',
                                 required=0)
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    property_names.append('list_method')
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    count_method = fields.MethodField('count_method',
                                 title='Count Method',
                                 description=('The method to use to count'
                                              'objects'),
                                 default='',
                                 required=0)
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    property_names.append('count_method')
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    stat_method = fields.MethodField('stat_method',
                                 title='Stat Method',
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                                 description=('The method to use to stat'
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                                              'objects'),
                                 default='',
                                 required=0)
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    property_names.append('stat_method')
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    selection_name = fields.StringField('selection_name',
                                 title='Selection Name',
                                 description=('The name of the selection to store'
                                              'params of selection'),
                                 default='',
                                 required=0)
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    property_names.append('selection_name')
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    meta_types = fields.ListTextAreaField('meta_types',
                                 title="Meta Types",
                                 description=(
        "Meta Types of objects to list. Required."),
                                 default=[],
                                 required=0)
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    property_names.append('meta_types')
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    portal_types = fields.ListTextAreaField('portal_types',
                                 title="Portal Types",
                                 description=(
        "Portal Types of objects to list. Required."),
                                 default=[],
                                 required=0)
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    property_names.append('portal_types')
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    # XXX Do we still need this?
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    default_params = fields.ListTextAreaField('default_params',
                                 title="Default Parameters",
                                 description=(
        "Default Parameters for the List Method."),
                                 default=[],
                                 required=0)
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    property_names.append('default_params')
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    search = fields.CheckBoxField('search',
                                 title='Search Row',
                                 description=('Search Row'),
                                 default='',
                                 required=0)
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    property_names.append('search')
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    select = fields.CheckBoxField('select',
                                 title='Select Column',
                                 description=('Select Column'),
                                 default='',
                                 required=0)
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    property_names.append('select')
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    editable_columns = fields.ListTextAreaField('editable_columns',
                                 title="Editable Columns",
                                 description=(
        "An optional list of columns which can be modified."),
                                 default=[],
                                 required=0)
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    property_names.append('editable_columns')
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    stat_columns = fields.ListTextAreaField('stat_columns',
                                 title="Stat Columns",
                                 description=(
        "An optional list of columns which can be used for statistics."),
                                 default=[],
                                 required=0)
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    property_names.append('stat_columns')
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    url_columns = fields.ListTextAreaField('url_columns',
                                 title="URL Columns",
                                 description=(
        "An optional list of columns which can provide a custom URL."),
                                 default=[],
                                 required=0)
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    property_names.append('url_columns')
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    # XXX do we still need this?
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    global_attributes = fields.ListTextAreaField('global_attributes',
                                 title="Global Attributes",
                                 description=(
        "An optional list of attributes which are set by hidden fields and which are applied to each editable column."),
                                 default=[],
                                 required=0)
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    property_names.append('global_attributes')
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    domain_tree = fields.CheckBoxField('domain_tree',
                                 title='Domain Tree',
                                 description=('Selection Tree'),
                                 default='',
                                 required=0)
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    property_names.append('domain_tree')
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    domain_root_list = fields.ListTextAreaField('domain_root_list',
                                 title="Domain Root",
                                 description=(
        "A list of domains which define the possible root."),
                                 default=[],
                                 required=0)
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    property_names.append('domain_root_list')
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    report_tree = fields.CheckBoxField('report_tree',
                                 title='Report Tree',
                                 description=('Report Tree'),
                                 default='',
                                 required=0)
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    property_names.append('report_tree')
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    report_root_list = fields.ListTextAreaField('report_root_list',
                                 title="Report Root",
                                 description=(
        "A list of domains which define the possible root."),
                                 default=[],
                                 required=0)
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    property_names.append('report_root_list')
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    list_action = fields.StringField('list_action',
                                 title='List Action',
                                 description=('The id of the object action'
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                                              ' to display the current list'),
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                                 default='list',
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                                 required=1)
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    property_names.append('list_action')
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    page_template = fields.StringField('page_template',
                                 title='Page Template',
                                 description=('The id of a Page Template'
                                              ' to render the ListBox'),
                                 default='',
                                 required=0)
    property_names.append('page_template')

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    def render_view(self, field, value, REQUEST=None, render_format='html', key='listbox'):
        """
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          Render a ListBox in read-only.
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        """
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        if REQUEST is None: REQUEST=get_request()
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        return self.render(field, key, value, REQUEST, render_format=render_format)

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    def render(self, field, key, value, REQUEST, render_format='html'):
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        """
          This is where most things happen. This method renders a list
          of items
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          render_format allows to produce either HTML (default)
          or produce a generic 'list' format which can be converted by page templates
          or dtml into various formats (ex. PDF, CSV, OpenOffice, etc.)
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          the 'list' format includes additional metainformation
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          - depth in a report tree (ex. 0, 1, 2, etc.)
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          - nature of the line (ex. stat or nonstat)
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          - identification of the tree (ex. relative_url)
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          - uid if any (to allow future import)
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          - etc.
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          which is intended to simplify operation with a spreadsheet or a pagetemplate
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        """
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        if render_format == 'list':
          renderer = ListBoxListRenderer(self, field, REQUEST)
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        else:
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          renderer = ListBoxHTMLRenderer(self, field, REQUEST)
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        return renderer()
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ListBoxWidgetInstance = ListBoxWidget()
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class VolatileCachingMethod:
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  """This class caches the result of a callable object, and behaves like a method.
     Unlike ERP5Type's CachingMethod, this cache is volatile, namely, the cached
     data is removed immediately when an object which stores the cached data is deleted.
     Naturally, the object (self) should not be a persistent object.
  """
  def __init__(self, callable_object):
    """Generate the key for the cache.
    """
    self.method = callable_object
    self.key = '_cache_' + str(id(callable_object))
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  def __call__(self, instance):
    """Call the callable object passed to __init__, if the result is not cached.
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    For now, this does not take any extra argument, because it is not necessary
    at the moment.
    """
    try:
      return getattr(instance, self.key)
    except AttributeError:
      result = self.method(instance)
      setattr(instance, self.key, result)
      return result

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class InstanceMethod:
  """This class makes it possible to pass an instance object implicitly to a method.
  """
  def __init__(self, instance, method):
    self.instance = instance
    self.method = method

  def __call__(self):
    return self.method(self.instance)

class ListBoxRenderer:
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  """This class deals with rendering of a ListBox field.

  In ListBox, rendering is not only viewing but also setting parameters in a selection
  and a request object.
  """
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  def __init__(self, widget = None, field = None, REQUEST = None, **kw):
    """Store the parameters for later use.
    """
    self.widget = widget
    self.field = field
    self.request = REQUEST
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    # Because it is not easy to pass an instance object implicitly to a method
    # with no side effect, tweak VolatileCachingMethod objects here for this instance.
    for k in dir(self):
      v = getattr(self, k)
      if isinstance(v, VolatileCachingMethod):
        setattr(self, k, InstanceMethod(self, v))

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  def getLineClass(self):
    """Return a class object for a line. This must be overridden.
    """
    raise NotImplementedError, "getLineClass must be overridden in a subclass"
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  # Here, define many getters which cache the results for better performance.
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  def getContext(self):
    """Return the context of rendering this ListBox.
    """
    return self.request['here']
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  getContext = VolatileCachingMethod(getContext)
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  def getForm(self):
    """Return the form which contains the ListBox.
    """
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    return self.field.aq_parent
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  getForm = VolatileCachingMethod(getForm)
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  def getEncoding(self):
    """Retutn the encoding of strings in the fields. Default to UTF-8.
    """
    return self.getPortalObject().getProperty('management_page_charset', 'utf-8')
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  getEncoding = VolatileCachingMethod(getEncoding)
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  def isReset(self):
    """Determine if the ListBox should be reset.
    """
    reset = self.request.get('reset', 0)
    return (reset not in (0, '0'))
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  isReset = VolatileCachingMethod(isReset)
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  def getFieldErrorDict(self):
    """Return a dictionary of errors.
    """
    return self.request.get('field_errors', {})
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  getFieldErrorDict = VolatileCachingMethod(getFieldErrorDict)
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  def getUrl(self):
    """Return a requested URL.
    """
    return self.request.URL
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  getUrl = VolatileCachingMethod(getUrl)
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  def getRequestedSelectionName(self):
    """Return a selection name which may be passed by a request.
    If not present, return "default". This selection can be different from the selection
    defined in the ListBox.
    """
    selection_name = self.request.get('selection_name', 'default')
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    # This is a workaround, as selection_name becomes a list or tuple sometimes.
    # XXX really? why?
    if not isinstance(selection_name, str):
      selection_name = selection_name[0]
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    return selection_name
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  getRequestedSelectionName = VolatileCachingMethod(getRequestedSelectionName)
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  def getSelectionIndex(self):
    """Return the index of a requested selection, or None if not specified.
    """
    return self.request.get('selection_index', None)
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  getSelectionIndex = VolatileCachingMethod(getSelectionIndex)
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  def getReportDepth(self):
    """Return the depth of reports, or None if not specified.
    """
    return self.request.get('report_depth', None)
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  getReportDepth = VolatileCachingMethod(getReportDepth)
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  def getPortalObject(self):
    """Return the portal object.
    """
    return self.getContext().getPortalObject()
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  getPortalObject = VolatileCachingMethod(getPortalObject)
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  def getPortalUrlString(self):
    """Return the URL of the portal as a string.
    """
    return self.getPortalObject().portal_url()
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  getPortalUrlString = VolatileCachingMethod(getPortalUrlString)
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  def getCategoryTool(self):
    """Return the Category Tool.
    """
    return self.getPortalObject().portal_categories
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  getCategoryTool = VolatileCachingMethod(getCategoryTool)
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  def getDomainTool(self):
    """Return the Domain Tool.
    """
    return self.getPortalObject().portal_domains
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  getDomainTool = VolatileCachingMethod(getDomainTool)
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  def getCatalogTool(self):
    """Return the Catalog Tool.
    """
    return self.getPortalObject().portal_catalog
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  getCatalogTool = VolatileCachingMethod(getCatalogTool)
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  def getSelectionTool(self):
    """Return the Selection Tool.
    """
    return self.getPortalObject().portal_selections
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  getSelectionTool = VolatileCachingMethod(getSelectionTool)
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  def getId(self):
    """Return the id of the field. Usually, "listbox".
    """
    return self.field.id
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  getId = VolatileCachingMethod(getId)
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  def getTitle(self):
    """Return the title. Make sure that it is in unicode.
    """
    return unicode(self.field.get_value('title'), self.getEncoding())
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  getTitle = VolatileCachingMethod(getTitle)
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  def getMaxLineNumber(self):
    """Return the maximum number of lines shown in a page.
    This must be overridden in subclasses.
    """
    raise NotImplementedError, "getMaxLineNumber must be overridden in a subclass"
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  def showSearchLine(self):
    """Return a boolean that represents whether a search line is displayed or not.
    """
    return self.field.get_value('search')
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  showSearchLine = VolatileCachingMethod(showSearchLine)
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  def showSelectColumn(self):
    """Return a boolean that represents whether a select column is displayed or not.
    """
    return self.field.get_value('select')
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  showSelectColumn = VolatileCachingMethod(showSelectColumn)
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  def showStat(self):
    """Return a boolean that represents whether a stat line is displayed or not.
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    FIXME: This is not very correct, because stat columns may define their own
    stat method independently.
    """
    return (self.getStatMethod() is not None) and (len(self.getStatColumnList()) > 0)
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  showStat = VolatileCachingMethod(showStat)
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  def isDomainTreeSupported(self):
    """Return a boolean that represents whether a domain tree is supported or not.
    """
    return (self.field.get_value('domain_tree') and len(self.getDomainRootList()) > 0)
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  isDomainTreeSupported = VolatileCachingMethod(isDomainTreeSupported)

  def isReportTreeSupported(self):
    """Return a boolean that represents whether a report tree is supported or not.
    """
    return (self.field.get_value('report_tree') and len(self.getReportRootList()) > 0)

  isReportTreeSupported = VolatileCachingMethod(isReportTreeSupported)

  def isDomainTreeMode(self):
    """Return whether the current mode is domain tree mode or not.
    """
    return self.isDomainTreeSupported() and self.getSelection().domain_tree_mode

  isDomainTreeMode = VolatileCachingMethod(isDomainTreeMode)

  def isReportTreeMode(self):
    """Return whether the current mode is report tree mode or not.
    """
    return self.isReportTreeSupported() and self.getSelection().report_tree_mode

  isReportTreeMode = VolatileCachingMethod(isReportTreeMode)

  def getDefaultParamList(self):
    """Return the list of default parameters.
    """
    return self.field.get_value('default_params')

  getDefaultParamList = VolatileCachingMethod(getDefaultParamList)

  def getListMethodName(self):
    """Return the name of the list method. If not defined, return None.
    """
    list_method = self.field.get_value('list_method')
    try:
      name = getattr(list_method, 'method_name')
    except AttributeError:
      name = list_method
    return name or None

  getListMethodName = VolatileCachingMethod(getListMethodName)

  def getCountMethodName(self):
    """Return the name of the count method. If not defined, return None.
    """
    count_method = self.field.get_value('count_method')
    try:
      name = getattr(count_method, 'method_name')
    except AttributeError:
      name = count_method
    return name or None

  getCountMethodName = VolatileCachingMethod(getCountMethodName)

  def getStatMethodName(self):
    """Return the name of the stat method. If not defined, return None.
    """
    stat_method = self.field.get_value('stat_method')
    try:
      name = getattr(stat_method, 'method_name')
    except AttributeError:
      name = stat_method
    return name or None

  getStatMethodName = VolatileCachingMethod(getStatMethodName)

  def getSelectionName(self):
    """Return the selection name.
    """
    return self.field.get_value('selection_name')

  getSelectionName = VolatileCachingMethod(getSelectionName)

  def getMetaTypeList(self):
    """Return the list of meta types for filtering. Return None when empty.
    """
    meta_types = [c[0] for c in self.field.get_value('meta_types')]
    return meta_types or None

  getMetaTypeList = VolatileCachingMethod(getMetaTypeList)

  def getPortalTypeList(self):
    """Return the list of portal types for filtering. Return None when empty.
    """
    portal_types = [c[0] for c in self.field.get_value('portal_types')]
    return portal_types or None

  getPortalTypeList = VolatileCachingMethod(getPortalTypeList)

  def getColumnList(self):
    """Return the columns. Make sure that the titles are in unicode.
    """
    columns = self.field.get_value('columns')
    return [(str(c[0]), unicode(c[1], self.getEncoding())) for c in columns]

  getColumnList = VolatileCachingMethod(getColumnList)

  def getAllColumnList(self):
    """Return the all columns. Make sure that the titles are in unicode.
    """
    all_column_list = list(self.getColumnList())
    all_column_id_set = set([c[0] for c in all_column_list])
    all_column_list.extend([(str(c[0]), unicode(c[1], self.getEncoding())) \
                              for c in self.field.get_value('all_columns') \
                              if c[0] not in all_column_id_set])
    return all_column_list

  getAllColumnList = VolatileCachingMethod(getAllColumnList)

  def getStatColumnList(self):
    """Return the stat columns. Fall back to all the columns if empty.
    """
    stat_columns = self.field.get_value('stat_columns')
    if stat_columns:
      stat_column_list = [(str(c[0]), unicode(c[1], self.getEncoding())) for c in stat_columns]
    else:
      stat_column_list = [(c[0], c[0]) for c in self.getAllColumnList()]
    return stat_column_list

  getStatColumnList = VolatileCachingMethod(getStatColumnList)

  def getUrlColumnList(self):
    """Return the url columns. Make sure that it is an empty list, when not defined.
    """
    url_columns = self.field.get_value('url_columns')
    return url_columns or []

  getUrlColumnList = VolatileCachingMethod(getUrlColumnList)

  def getDefaultSortColumnList(self):
    """Return the default sort columns.
    """
    return self.field.get_value('sort')

  getDefaultSortColumnList = VolatileCachingMethod(getDefaultSortColumnList)

  def getDomainRootList(self):
    """Return the domain root list. Make sure that the titles are in unicode.
    """
    domain_root_list = self.field.get_value('domain_root_list')
    return [(str(c[0]), unicode(c[1], self.getEncoding())) for c in domain_root_list]

  getDomainRootList = VolatileCachingMethod(getDomainRootList)

  def getReportRootList(self):
    """Return the report root list. Make sure that the titles are in unicode.
    """
    report_root_list = self.field.get_value('report_root_list')
    return [(str(c[0]), unicode(c[1], self.getEncoding())) for c in report_root_list]

  getReportRootList = VolatileCachingMethod(getReportRootList)

  def getSearchColumnIdSet(self):
    """Return the set of the ids of the search columns. Fall back to the catalog schema, if not defined.
    """
    search_columns = self.field.get_value('search_columns')
    if search_columns:
      search_column_id_list = [c[0] for c in search_columns]
    else:
      search_column_id_list = self.getCatalogTool().schema()
    return set(search_column_id_list)

  getSearchColumnIdSet = VolatileCachingMethod(getSearchColumnIdSet)

  def getSortColumnIdSet(self):
    """Return the set of the ids of the sort columns. Fall back to search column ids, if not defined.
    """
    sort_columns = self.field.get_value('sort_columns')
    if sort_columns:
      sort_column_id_set = set([c[0] for c in sort_columns])
    else:
      sort_column_id_set = self.getSearchColumnIdSet()
    return sort_column_id_set

  getSortColumnIdSet = VolatileCachingMethod(getSortColumnIdSet)

  def getEditableColumnIdSet(self):
    """Return the set of the ids of the editable columns.
    """
    editable_columns = self.field.get_value('editable_columns')
    return set([c[0] for c in editable_columns])

  getEditableColumnIdSet = VolatileCachingMethod(getEditableColumnIdSet)

  def getListActionUrl(self):
    """Return the URL of the list action.
    """
    list_action_part_list = [self.getContext().getUrl(), '/', self.field.get_value('list_action')]
    if '?' in list_action_part_list[-1]:
      list_action_part_list.append('&reset=1')
    else:
      list_action_part_list.append('?reset=1')
    return ''.join(list_action_part_list)

  getListActionUrl = VolatileCachingMethod(getListActionUrl)

  # Whether the selection object is initialized.
  is_selection_initialized = False

  def getSelection(self):
    """FIXME: Tweak a selection and return the selection object.
    This code depends on the implementation of Selection too much.
    In the future, the API of SelectionTool should be refactored and
    ListBox should not use Selection directly.
    """
    selection_tool = self.getSelectionTool()
    selection_name = self.getSelectionName()
    selection = selection_tool.getSelectionFor(selection_name, REQUEST = self.request)

    if self.is_selection_initialized:
      return selection

    # Create a selection, if not present, with the default sort order.
    if selection is None:
      selection = Selection(params = self.getDefaultParamList(), default_sort_on = self.getDefaultSortColumnList())
    # Or make sure all sort arguments are valid.
    else:
      # Reset the selection, if specified.
      if self.isReset():
        selection_tool.setSelectionToAll(selection_name)
        selection_tool.setSelectionSortOrder(selection_name, sort_on = [])

      # Modify the default sort index every time, because it may change immediately.
      selection.edit(default_sort_on = self.getDefaultSortColumnList())

      # Filter out non-sortable items.
      sort_column_id_set = self.getSortColumnIdSet()
      sort_list = [c for c in selection.sort_on if c[0] in sort_column_id_set]
      if len(selection.sort_on) != len(sort_list):
        selection.sort_on = sort_list

    if getattr(selection, 'flat_list_mode', None) is None:
      # Initialize the render mode. Choose flat list mode by default.
      selection.edit(flat_list_mode = 1, domain_tree_mode = 0, report_tree_mode = 0)

    # Remember if the items have to be displayed for report tree mode.
    is_report_opened = self.request.get('is_report_opened', selection.isReportOpened())
    selection.edit(report_opened = is_report_opened)

    self.is_selection_initialized = True

    return selection

  getSelection = VolatileCachingMethod(getSelection)

  def getCheckedUidList(self):
    """Return the list of checked uids.
    """
    return self.getSelection().getCheckedUids()

  getCheckedUidList = VolatileCachingMethod(getCheckedUidList)

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  def getCheckedUidSet(self):
    """Return the set of checked uids.
    """
    return set(self.getCheckedUidList())

  getCheckedUidSet = VolatileCachingMethod(getCheckedUidSet)

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  def getSelectedColumnList(self):
    """Return the list of selected columns.
    """
    return self.getSelectionTool().getSelectionColumns(self.getSelectionName(),
                                                       columns = self.getColumnList(),
                                                       REQUEST = self.request)

  getSelectedColumnList = VolatileCachingMethod(getSelectedColumnList)

  def getColumnAliasList(self):
    """Return the list of column aliases for SQL, because SQL does not allow a symbol to contain dots.
    """
    alias_list = []
    for sql, title in self.getSelectedColumnList():
      alias_list.append(sql.replace('.', '_'))
    return alias_list

  getColumnAliasList = VolatileCachingMethod(getColumnAliasList)

  def getParamDict(self):
    """Return a dictionary of parameters.
    """
    params = self.getSelection().getParams()
    if self.getListMethodName():
      # Update parameters, only if list_method is defined.
      # (i.e. do not update parameters in listboxes intended to show a previously defined selection.
      params.update(self.request.form)
      for k, v in self.getDefaultParamList():
        params.setdefault(k, v)

      # Set parameters, depending on the list method.
      list_method_name = self.getListMethodName()
      meta_type_list = self.getMetaTypeList()
      portal_type_list = self.getPortalTypeList()
      if list_method_name == 'objectValues':
        if meta_type_list is not None:
          params.setdefault('spec', meta_type_list)
      else:
        if portal_type_list is not None:
          params.setdefault('portal_type', portal_type_list)
        elif meta_type_list is not None:
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          params.setdefault('meta_type', meta_type_list)
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        # Remove useless parameters.
        for k, v in params.items():
          if v in (None, ''):
            del params[k]

    # Set the columns. The idea behind this is that, instead of selecting all columns,
    # ListBox can specify only required columns, in order to reduce the data transferred
    # from a SQL Server to Zope.
    sql_column_list = []
    for (sql, title), alias in zip(self.getSelectedColumnList(), self.getColumnAliasList()):
      if sql != alias:
        sql_column_list.append('%s AS %s' % (sql, alias))
      else:
        sql_column_list.append(alias)

    # XXX why is this necessary? For compatibility?
    for sql, title in self.getAllColumnList():
      if sql in ('catalog.path', 'path'):
        alias = sql.replace('.', '_')
        if sql != alias:
          sql_column_list.append('%s AS %s' % (sql, alias))
        else:
          sql_column_list.append(alias)
        break

    params['select_columns'] = ', '.join(sql_column_list)

    # XXX Remove selection_expression if present.
    # This is necessary for now, because the actual selection expression in
    # search catalog does not take the requested columns into account. If
    # select_expression is passed, this can raise an exception, because stat
    # method sets select_expression, and this might cause duplicated column
    # names.
    #
    # In the future, this must be addressed in a clean way. selection_expression
    # should be used for search catalog, and search catalog should not use
    # catalog.* but only selection_expression. But this is a bit difficult,
    # because there is no simple way to distinguish queried columns from callable
    # objects in the current ListBox configuration.
    if 'select_expression' in params:
      del params['select_expression']

    return params

  getParamDict = VolatileCachingMethod(getParamDict)

  def getListMethod(self):
    """Return the list method object.
    """
    list_method_name = self.getListMethodName()

    if list_method_name == 'objectValues':
      list_method = ObjectValuesWrapper(self.getContext())
    elif list_method_name is not None:
      try:
        list_method = getattr(self.getContext(), list_method_name)
      except AttributeError, KeyError:
        list_method = None
    else:
      list_method = None

    return list_method

  getListMethod = VolatileCachingMethod(getListMethod)

  def getCountMethod(self):
    """Return the count method object.
    """
    count_method_name = self.getCountMethodName()

    if count_method_name == 'objectValues':
      # Get all objects anyway in this case.
      count_method = None
    if count_method_name == 'portal_catalog':
      count_method = self.getCatalogTool().countResults
    elif count_method_name is not None:
      try:
        count_method = getattr(self.getContext(), count_method_name)
      except AttributeError, KeyError:
        count_method = None
    else:
      count_method = None

    return count_method

  getCountMethod = VolatileCachingMethod(getCountMethod)

  def getStatMethod(self):
    """Return the stat method object.
    """
    stat_method_name = self.getStatMethodName()

    if stat_method_name == 'objectValues':
      # Nothing to do in this case.
      stat_method = None
    if stat_method_name == 'portal_catalog':
      stat_method = self.getCatalogTool().countResults
    elif stat_method_name is not None:
      try:
        stat_method = getattr(self.getContext(), stat_method_name)
      except AttributeError, KeyError:
        stat_method = None
    else:
      stat_method = None

    return stat_method

  getStatMethod = VolatileCachingMethod(getStatMethod)

  def getDomainSelection(self):
    """Return a DomainSelection object wrapped with the context.
    """
    selection = self.getSelection()
    domain_list = selection.getDomainList()

    if len(domain_list) > 0:
      category_tool = self.getCategoryTool()
      domain_tool = self.getDomainTool()
      root_dict = {}

      for domain in domain_list:
        # XXX workaround for a past bug in Selection
        if not isinstance(domain, str):
          continue

        root = None
        base_domain = domain.split('/', 1)[0]
        if category_tool is not None:
          root = category_tool.restrictedTraverse(domain, None)
          if root is not None :
            root_dict[base_domain] = root
          elif domain_tool is not None:
            root = domain_tool.getDomainByPath(domain)
            if root is not None:
              # FIXME: this is a bad hack. DomainSelection should use
              # portal_type to determine the type of the object instead
              # of whether it is a string or not.
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              root_dict[base_domain] = domain
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        if root is None:
          try:
            root_dict[None] = portal_object.restrictedTraverse(domain)
          except KeyError:
            pass

      return DomainSelection(domain_dict = root_dict).__of__(self.getContext())

  getDomainSelection = VolatileCachingMethod(getDomainSelection)

  def getStatSelectExpression(self):
    """Return a string which expresses the information retrieved by SELECT for
    the statistics.
    """
    select_expression_list = []
    if self.showStat():
      stats = self.getSelectionTool().getSelectionStats(self.getSelectionName(), REQUEST = self.request)
      stat_column_list = self.getStatColumnList()

      for index, ((sql, title), alias) in enumerate(zip(self.getSelectedColumnList(), self.getColumnAliasList())):
        # XXX This might be slow.
        for column in stat_column_list:
          if column[0] == sql:
            break
        else:
          column = None
        if (column is not None) and (column[0] == column[1]):
          try:
            if stats[index] != ' ':
              select_expression_list.append('%s(%s) AS %s' % (stats[index], sql, alias))
            else:
              select_expression_list.append("'' AS %s" % alias)
          except IndexError:
            select_expression_list.append("'' AS %s" % alias)

    return ', '.join(select_expression_list)

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  getStatSelectExpression = VolatileCachingMethod(getStatSelectExpression)

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  def makeReportTreeList(self, root_dict = None, report_path = None, base_category = None, depth = 0,
                         unfolded_list = (), is_report_opened = True, sort_on = (('id', 'ASC'),)):
    """Return a list of report trees.
    """
    if isinstance(report_path, str):
      report_path = report_path.split('/')
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    if base_category is None and len(report_path):
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      base_category = report_path[0]

    category_tool = self.getCategoryTool()
    domain_tool = self.getDomainTool()
    portal_object = self.getPortalObject()
    report_depth = self.getReportDepth()

    if root_dict is None:
      root_dict = {}

    # Find the root object.
    is_empty_level = 1
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    category = base_category
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    while is_empty_level:
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      if not root_dict.has_key(category):
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        root = None
        if category_tool is not None:
          try:
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            obj = category_tool[category]
            if category == 'parent':
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              # parent has a special treatment
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              root = root_dict[category] = root_dict[None] = self.getContext()
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              report_path = report_path[1:]
            else:
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              root = root_dict[category] = root_dict[None] = obj
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              report_path = report_path[1:]
          except KeyError:
            pass
        if root is None and domain_tool is not None:
          try:
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            obj = domain_tool[category]
            root = root_dict[category] = root_dict[None] = obj
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            report_path = report_path[1:]
          except KeyError:
            pass
        if root is None:
          try:
            root = root_dict[None] = portal_object.unrestrictedTraverse(report_path)
          except KeyError:
            pass
          report_path = ()
      else:
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        root = root_dict[None] = root_dict[category]
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        report_path = report_path[1:]
      is_empty_level = (root is None or root.objectCount() == 0) and (len(report_path) != 0)
      if is_empty_level:
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        category = report_path[0]
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    tree_list = []
    if root is None: return tree_list

    # Get the list of objects in the root. Use getChildDomainValueList, if defined,
    # to generate child domains dynamically.
    getChildDomainValueList = getattr(aq_base(root), 'getChildDomainValueList', None)
    contentValues = getattr(aq_base(root), 'contentValues', None)
    if getChildDomainValueList is not None and base_category != 'parent':
      obj_list = root.getChildDomainValueList(root, depth = depth)
    elif contentValues is not None:
      obj_list = root.contentValues(sort_on = sort_on)
    else:
      obj_list = ()

    for obj in obj_list:
      new_root_dict = root_dict.copy()
      new_root_dict[None] = new_root_dict[base_category] = obj
      domain_selection = DomainSelection(domain_dict = new_root_dict)

      if base_category == 'parent':
        exception_uid_list = []
      else:
        exception_uid_list = None

      #LOG('ListBox', 0, 'depth = %r, report_depth = %r, unfolded_list = %r, obj.getRelativeUrl() = %r' % (depth, report_depth, unfolded_list, obj.getRelativeUrl()))
      if (report_depth is not None and depth <= (report_depth - 1)) or obj.getRelativeUrl() in unfolded_list:
        # If the base category is parent, do not display sub-objects
        # which can be used as a part of the report tree. Otherwise,
        # sub-objects are displayed twice unnecessarily.
        if base_category == 'parent':
          for sub_obj in obj.contentValues(sort_on = sort_on):
            if getattr(aq_base(sub_obj), 'objectValues', None) is not None:
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              exception_uid_list.append(sub_obj.getUid())
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        # Summary (open)
        tree_list.append(ReportTree(obj = obj, is_pure_summary = True, depth = depth,
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                                    base_category = base_category,
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                                    is_open = True, domain_selection = domain_selection,
                                    exception_uid_list = exception_uid_list))
        if is_report_opened:
          # List (contents, closed, must be strict selection)
          tree_list.append(ReportTree(obj = obj, is_pure_summary = False, depth = depth,
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                                      base_category = base_category,
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                                      is_open = False, domain_selection = domain_selection,
                                      exception_uid_list = exception_uid_list))
        tree_list.extend(self.makeReportTreeList(root_dict = new_root_dict,
                                                 report_path = report_path,
                                                 base_category = base_category,
                                                 depth = depth + 1,
                                                 unfolded_list = unfolded_list,
                                                 is_report_opened = is_report_opened,
                                                 sort_on = sort_on))
      else:
        # Summary (closed)
        tree_list.append(ReportTree(obj = obj, is_pure_summary = True, depth = depth,
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                                    base_category = base_category,
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                                    is_open = False, domain_selection = domain_selection,
                                    exception_uid_list = exception_uid_list))

    return tree_list

  def getLineStart(self):
    """Return where the first line should start from. Note that this is simply a requested value,
    so the real value can be different from this. For example, if the value exceeds the total number
    of lines, the start number is forced to fit into somewhere. This must be overridden in subclasses.
    """
    raise NotImplementedError, "getLineStart must be overridden in a subclass"

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  def getSelectedDomainPath(self):
    """Return a selected domain path.
    """
    domain_path = self.getSelection().getDomainPath()
    if domain_path == ('portal_categories',):
      try:
        # Default to the first domain.
        domain_path = self.getDomainRootList()[0][0]
      except IndexError:
        domain_path = None
    return domain_path

  getSelectedDomainPath = VolatileCachingMethod(getSelectedDomainPath)

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  def getSelectedReportPath(self):
    """Return a selected report path.
    """
    category_tool = self.getCategoryTool()
    domain_tool = self.getDomainTool()
    report_root_list = self.getReportRootList()
    selection = self.getSelection()

    default_selection_report_path = report_root_list[0][0].split('/', 1)[0]
    if (category_tool is None or category_tool._getOb(default_selection_report_path, None) is None) \
        and (domain_tool is None or domain_tool._getOb(default_selection_report_path, None) is None):
      default_selection_report_path = report_root_list[0][0]

    return selection.getReportPath(default = default_selection_report_path)

  getSelectedReportPath = VolatileCachingMethod(getSelectedReportPath)

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  def getLabelValueList(self):
    """Return a list of values, where each value is a tuple consisting of an property id, a title and a string which
    describes the current sorting order, one of ascending, descending and None. If a value is not sortable, the id is
    set to None, otherwise to a string.
    """
    sort_list = self.getSelectionTool().getSelectionSortOrder(self.getSelectionName())
    sort_dict = dict(sort_list)
    sort_column_id_set = self.getSortColumnIdSet()

    value_list = []
    for c in self.getSelectedColumnList():
      if c[0] in sort_column_id_set:
        value_list.append((c[0], c[1], sort_dict.get(c[0])))
      else:
        value_list.append((None, c[1], None))

    return value_list

  def getSearchValueList(self):
    """Return a list of values, where each value is a tuple consisting of an alias, a current value and a search field.
    If a column is not searchable, the alias is set to None, otherwise to a string. If a search field is not present,
    it is set to None.
    """
    search_column_id_set = self.getSearchColumnIdSet()
    param_dict = self.getParamDict()
    value_list = []
    for (sql, title), alias in zip(self.getSelectedColumnList(), self.getColumnAliasList()):
      if sql in search_column_id_set:
        # Get the current value and encode it in unicode.
        param = param_dict.get(alias, u'')
        if isinstance(param, str):
          param = unicode(param, self.getEncoding())

        # Obtain a search field, if any.
        search_field_id = 'search_%s_%s' % (self.getId(), alias)
        if self.getForm().has_field(search_field_id):
          search_field = self.getForm().get_field(search_field_id)
        else:
          search_field = None

        value_list.append((alias, param, search_field))
      else:
        value_list.append((None, None, None))

    return value_list

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  def getStatValueList(self):
    """Return a list of values, where each value is a tuple consisting of an original value and a processed value.
    A processed value is always an unicode object, and it may differ from the original value, for instance,
    a processed value may describe an error, when an original value is None.
    """
    # First, get the statitics by the global stat method.
    param_dict = self.getParamDict()
    new_param_dict = param_dict.copy()
    new_param_dict['select_expression'] = self.getStatSelectExpression()
    selection = self.getSelection()
    selection.edit(params = new_param_dict)
    result = selection(method = self.getStatMethod(), context = self.getContext(), REQUEST = self.request)

    # For each column, check the presense of a specific stat method. If not present,
    # use the result obtained above.
    value_list = []
    stat_column_dict = dict(self.getStatColumnList())
    for (sql, title), alias in zip(self.getSelectedColumnList(), self.getColumnAliasList()):
      original_value = None
      processed_value = None

      # Get a specific stat method, if any.
      stat_method_id = stat_column_dict.get(sql)
      if stat_method_id is not None and stat_method_id != sql:
        stat_method = getattr(self.getContext(), stat_method_id)
      else:
        stat_method = None

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      if stat_method_id is None:
        original_value = None
        processed_value = u''
      elif stat_method is None:
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        try:
          original_value = getattr(result[0], alias)
          processed_value = original_value
        except (IndexError, AttributeError, KeyError, ValueError):
          original_value = None
          processed_value = u''
      else:
        if callable(stat_method):
          try:
            original_value = stat_method(selection = selection)
            processed_value = original_value
          except (ConflictError, RuntimeError):
            raise
          except:
            LOG('ListBox', WARNING, 'could not call %r with %r' % (stat_method, self.getContext()),
                error = sys.exc_info())
            original_value = None
            processed_value = u''
        else:
          original_value = stat_method
          processed_value = original_value

      if not isinstance(processed_value, unicode):
        processed_value = unicode(str(processed_value), self.getEncoding())

      value_list.append((original_value, processed_value))

    return value_list

  def getReportSectionList(self):
    """Return a list of report sections.
    """
    param_dict = self.getParamDict()
    category_tool = self.getCategoryTool()
    domain_tool = self.getDomainTool()
    report_depth = self.getReportDepth()
    selection = self.getSelection()
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    selection_tool = self.getSelectionTool()
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    report_list = selection.getReportList()
    stat_selection_expression = self.getStatSelectExpression()
    stat_method = self.getStatMethod()
    count_method = self.getCountMethod()
    list_method = self.getListMethod()
    context = self.getContext()
    selection_name = self.getSelectionName()
    start = self.getLineStart()
    max_lines = self.getMaxLineNumber()

    report_section_list = []

    if self.isReportTreeMode():
      # In report tree mode, there are three types of lines:
      #
      #   - summary line with statistics
      #   - summary line with the first object in a domain
      #   - object line
      #
      # These lines are compiled into report sections for convenience.

      selection_report_path = self.getSelectedReportPath()

      #LOG('ListBox', 0, 'report_depth = %r' % (report_depth,))
      if report_depth is not None:
        selection_report_current = ()
      else:
        selection_report_current = report_list

      report_tree_list = self.makeReportTreeList(report_path = selection_report_path,
                                                 unfolded_list = selection_report_current,
                                                 is_report_opened = selection.isReportOpened(),
                                                 sort_on = selection.sort_on)

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      # Update report list if report_depth was specified. This information is used
      # to store what domains are unfolded by clicking on a depth.
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      if report_depth is not None:
        report_list = [t.obj.getRelativeUrl() for t in report_tree_list if t.is_open]
        selection.edit(report_list = report_list)

      for report_tree in report_tree_list:
        # Prepare query by defining selection report object.

        # FIXME: this code needs optimization. The query should be delayed
        # as late as possible, because this code queries all data, even if
        # it is not displayed.
        selection.edit(report = report_tree.domain_selection)

        if report_tree.is_pure_summary and self.showStat():
          # Push a new select_expression.
          new_param_dict = param_dict.copy()
          new_param_dict['select_expression'] = stat_select_expression
          selection.edit(params = new_param_dict)

          # Query the stat.
          stat_brain = selection(method = stat_method, context=here, REQUEST=REQUEST)

          stat_result = {}
          for index, (k, v) in enumerate(self.getSelectedColumnList()):
            try:
              stat_result[k] = str(stat_brain[0][index + 1])
            except IndexError:
              stat_result[k] = ''

          stat_context = report_tree.obj.asContext(**stat_result)
          # XXX yo thinks that this code below is useless, so disabled.
          #absolute_url_txt = report_tree.obj.absolute_url()
          #stat_context.absolute_url = lambda: absolute_url_txt
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          stat_context.domain_url = report_tree.domain_url
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          report_section_list.append(ReportSection(is_summary = True, object_list = [stat_context],
                                                   object_list_len = 1, is_open = report_tree.is_open,
                                                   domain_selection = report_tree.domain_selection,
                                                   context = stat_context, depth = report_tree.depth))
        else:
          selection.edit(params = param_dict)

          if list_method is not None:
            # FIXME: this should use a count method, if present, and obtain objects, only if necessary.
            object_list = selection(method = list_method, context = context, REQUEST = self.request)
          else:
            # If list_method is None, use already selected values.
            object_list = self.getSelectionTool().getSelectionValueList(selection_name,
                                                                        context = context,
                                                                        REQUEST = self.request)

          if report_tree.exception_uid_set is not None:
            # Filter folders if this is a parent tree.
            new_object_list = []
            for o in object_list:
              if o.getUid() not in report_tree.exception_uid_set:
                new_object_list.append(o)
            object_list = new_object_list

          object_list_len = len(object_list)
          #LOG('ListBox', 0, 'report_tree.__dict__ = %r, object_list = %r, object_list_len = %r' % (report_tree.__dict__, object_list, object_list_len))
          if not report_tree.is_pure_summary:
            if not self.showStat():
              report_section_list.append(ReportSection(is_summary = False, object_list = object_list,
                                                       object_list_len = object_list_len,
                                                       is_open = report_tree.is_open,
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                                                       domain_selection = report_tree.domain_selection,
                                                       depth = report_tree.depth))
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          else:
            stat_context = report_tree.obj.asContext()
            #absolute_url_txt = s[0].absolute_url()
            #stat_context.absolute_url = lambda : absolute_url_txt
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            stat_context.domain_url = report_tree.domain_url
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            if object_list_len and report_tree.is_open:
              # Display the first object at the same level as a category selector,
              # if this selector is open.
              report_section_list.append(ReportSection(is_summary = False,
                                                       object_list = [object_list[0]],
                                                       object_list_len = 1,
                                                       is_open = True,
                                                       domain_selection = report_tree.domain_selection,
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                                                       context = stat_context,
                                                       depth = report_tree.depth))
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              report_section_list.append(ReportSection(is_summary = False,
                                                       object_list = object_list,
                                                       object_list_len = object_list_len - 1,
                                                       is_open = True,
                                                       domain_selection = report_tree.domain_selection,
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                                                       offset = 1,
                                                       depth = report_tree.depth))
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            else:
              if report_tree.exception_uid_list is not None:
                # Display current parent domain.
                report_section_list.append(ReportSection(is_summary = False,
                                                         object_list = [report_tree.obj],
                                                         object_list_len = 1,
                                                         is_open = report_tree.is_open,
                                                         domain_selection = report_tree.domain_selection,
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                                                         context = stat_context,
                                                         depth = report_tree.depth))
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              else:
                # No data to display
                report_section_list.append(ReportSection(is_summary = False,
                                                         object_list = [None],
                                                         object_list_len = 1,
                                                         is_open = report_tree.is_open,
                                                         domain_selection = report_tree.domain_selection,
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                                                         context = stat_context,
                                                         depth = report_tree.depth))
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      # Reset the report parameter.
      selection.edit(report = None)
    else:
      # Flat list mode or domain tree mode.
      selection.edit(params = param_dict, report = None)

      if self.isDomainTreeMode():
        selection.edit(domain = self.getDomainSelection())

      if list_method is not None:
        if count_method is not None and not selection.invert_mode and max_lines > 0:
          # If the count method is available, get only required objects.
          count = selection(method = count_method, context = context, REQUEST = self.request)
          object_list_len = int(count[0][0])

          # Tweak the line start.
          if start >= object_list_len:
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            start = max(object_list_len - 1, 0)
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          start -= (start % max_lines)

          # Obtain only required objects.
          new_param_dict = param_dict.copy()
          new_param_dict['limit'] = (start, max_lines)
          selection.edit(params = new_param_dict)
          object_list = selection(method = list_method, context = context, REQUEST = self.request)
          selection.edit(params = param_dict) # XXX Necessary?

          # Add padding for convenience.
          report_section_list.append(ReportSection(is_summary = False,
                                                   object_list_len = start))
          report_section_list.append(ReportSection(is_summary = False,
                                                   object_list = object_list,
                                                   object_list_len = len(object_list)))
          report_section_list.append(ReportSection(is_summary = False,
                                                   object_list_len = object_list_len - len(object_list) - start))
        else:
          object_list = selection(method = list_method, context = context, REQUEST = self.request)
          object_list_len = len(object_list)
          report_section_list.append(ReportSection(is_summary = False,
                                                   object_list = object_list,
                                                   object_list_len = object_list_len))
      else:
        # If list_method is None, use already selected values.
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        object_list = selection_tool.getSelectionValueList(selection_name,
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                                                                   context = context, REQUEST = self.request)
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        object_list_len= len(object_list)
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        report_section_list.append(ReportSection(is_summary = False,
                                                 object_list = object_list,
                                                 object_list_len = object_list_len))

    return report_section_list

  def query(self):
    """Get report sections and construct a list of lines. Note that this method has a side
    effect in the selection, and the renderer object itself.
    """
    start = self.getLineStart()
    max_lines = self.getMaxLineNumber()
    report_section_list = self.getReportSectionList()
    param_dict = self.getParamDict()

    # Set the total number of objects.
    self.total_size = sum([s.object_list_len for s in report_section_list])

    # Calculuate the start and the end offsets, and set the page numbers.
    if max_lines == 0:
      end = self.total_size
      self.total_pages = 1
      self.current_page = 0
    else:
      self.total_pages = int(max(self.total_size - 1, 0) / max_lines) + 1
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      if start >= self.total_size:
        start = max(self.total_size - 1, 0)
      start -= (start % max_lines)
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      self.current_page = int(start / max_lines)
      end = min(start + max_lines, self.total_size)
      param_dict['list_start'] = start
      param_dict['list_lines'] = max_lines
      selection = self.getSelection()
      selection.edit(params = param_dict)

    # Make a list of lines.
    line_class = self.getLineClass()
    line_list = []
    section_index = 0
    current_section_base_index = 0
    current_section = report_section_list[0]
    current_section_size = current_section.object_list_len
    for i in range(start, end):
      # Make sure we go to the right section.
      while current_section_base_index + current_section_size <= i:
        current_section_base_index += current_section_size
        section_index += 1
        current_section = report_section_list[section_index]
        current_section_size = current_section.object_list_len

      offset = i - current_section_base_index + current_section.offset
      if current_section.is_summary:
        index = None
      elif self.isReportTreeMode():
        index = offset
      else:
        index = i
      #LOG('ListBox', 0, 'current_section.__dict__ = %r' % (current_section.__dict__,))
      line = line_class(renderer = self, obj = current_section.object_list[offset],
                        index = index, is_summary = current_section.is_summary,
                        context = current_section.context, is_open = current_section.is_open,
                        domain_selection = current_section.domain_selection,
                        depth = current_section.depth)
      line_list.append(line)

    return line_list

  def render(self, **kw):
    """Render the data. This must be overridden.
    """
    raise NotImplementedError, "render must be overridden in a subclass"

  def __call__(self, **kw):
    """Render the ListBox. The real rendering must be done the method "render" which should
    be defined in subclasses.
    """
    return self.render(**kw)

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class ListBoxRendererLine:
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  """This class describes a line in a ListBox to assist ListBoxRenderer.
  """
  def __init__(self, renderer = None, obj = None, index = 0, is_summary = False, context = None,
               is_open = False, domain_selection = None, depth = 0):
    """In reality, the object is a brain or a brain-like object.
    """
    self.renderer = renderer
    self.obj = obj
    self.index = index
    self.is_summary = is_summary
    self.context = context
    self.is_open = is_open
    self.domain_selection = domain_selection
    self.depth = depth

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    # Because it is not easy to pass an instance object implicitly to a method
    # with no side effect, tweak VolatileCachingMethod objects here for this instance.
    for k in dir(self):
      v = getattr(self, k)
      if isinstance(v, VolatileCachingMethod):
        setattr(self, k, InstanceMethod(self, v))

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  def getBrain(self):
    """Return the brain. This can be identical to a real object.
    """
    return self.obj

  def getObject(self):
    """Return a real object.
    """
    try:
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      return self.obj.getObject()
1670
    except AttributeError:
1671
      return self.obj
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  getObject = VolatileCachingMethod(getObject)

  def getUid(self):
    """Return the uid of the object.
    """
    return getattr(aq_base(self.obj), 'uid', None)

  getUid = VolatileCachingMethod(getUid)

  def isSummary(self):
    """Return whether this line is a summary or not.
    """
    return self.is_summary

  def getContext(self):
    """Return the context of a line. This is used only for a summary line.
    """
    return self.context

  def isOpen(self):
    """Return whether this line is open or not. This is used only for a summary line.
    """
    return self.is_open

  def getDomainUrl(self):
    """Return the URL of a domain. Used only for a summary line.
    """
    return getattr(self.getContext(), 'domain_url', '')

  def getDepth(self):
    """Return the depth of a domain. Used only for a summary line.
    """
    return self.depth

  def getDomainSelection(self):
    """Return the domain selection. Used only for a summary line.
    """
    return self.domain_selection

  def getValueList(self):
    """Return the list of values corresponding to selected columns.

    The format of a return value is [(original_value, processed_value), ...],
    where the original value means a raw result, while the processed value stands for
    a value more comprehensive for human, such as an error message.

    Every processed value is guaranteed to be encoded in unicode.
    """
    # If this is a report line without statistics, just return an empty result.
    if self.getObject() is None:
      return [(None, '')] * len(self.renderer.getSelectedColumnList())

    # Otherwise, evaluate each column.
    stat_column_dict = dict(self.renderer.getStatColumnList())
    _marker = []
    value_list = []
    selection = self.renderer.getSelection()

    # Embed the selection index.
    selection.edit(index = self.index)

    for (sql, title), alias in zip(self.renderer.getSelectedColumnList(), self.renderer.getColumnAliasList()):
      editable_field = None
      original_value = None
      processed_value = None

      if self.isSummary():
        # Use a stat method for a summary.
        stat_method_id = stat_column_dict.get(sql)
        if stat_method_id == sql:
          stat_method_id = None

        context = self.getContext()
        if getattr(aq_base(context), alias, _marker) is not _marker and stat_method_id is None:
          # If a stat method is not specified, use the result in the context itself.
          original_value = getattr(context, alias)
          processed_value = original_value
        else:
          stat_method = getattr(context, stat_method_id)
          if callable(stat_method):
            try:
              new_param_dict = param_dict.copy()
              new_param_dict['closed_summary'] = not self.isOpen()
              selection.edit(params = new_param_dict, report = self.getDomainSelection())
              try:
                original_value = stat_method(selection = selection)
                processed_value = original_value
              except (ConflictError, RuntimeError):
                raise
              except:
                LOG('ListBox', WARNING, 'could not call %r with %r' % (stat_method, new_param_dict),
                    error = sys.exc_info())
                processed_value = 'Could not evaluate %s' % (stat_method_id,)
            finally:
              selection.edit(params = param_dict, report = None)
          else:
            original_value = stat_method
            processed_value = original_value
      else:
        # This is an usual line.
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        obj = self.getObject()
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        # Use a widget, if any.
        editable_field_id = '%s_%s' % (self.renderer.getId(), alias)
        tales = False
        form = self.renderer.getForm()
        if form.has_field(editable_field_id):
          editable_field = form.get_field(editable_field_id)
          tales = editable_field.tales.get('default', '')
          if tales:
            original_value = editable_field.__of__(obj).get_value('default', cell = obj)
            processed_value = original_value

        # If a tales expression is not defined, get a skin, an accessor or a property.
        if not tales:
1788 1789 1790 1791 1792
          brain = self.getBrain()
          if hasattr(aq_self(brain), alias):
            original_value = getattr(brain, alias)
            processed_value = original_value
          elif obj is not None:
1793 1794 1795 1796 1797 1798 1799
            try:
              # Get the trailing part.
              try:
                property_id = sql[sql.rindex('.') + 1:]
              except ValueError:
                property_id = sql

1800 1801 1802 1803 1804 1805 1806 1807
              try:
                original_value = obj.getProperty(property_id, _marker)
                if original_value is _marker:
                  raise AttributeError, property_id
                processed_value = original_value
              except AttributeError:
                original_value = getattr(obj, property_id, None)
                processed_value = original_value
1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877
            except (AttributeError, KeyError):
              original_value = None
              processed_value = 'Could not evaluate %s' % property_id
          else:
            original_value = None
            processed_value = 'Object does not exist'

      # If the value is callable, evaluate it.
      if callable(original_value):
        try:
          try:
            original_value = original_value(brain = self.getBrain(), selection = selection)
            processed_value = original_value
          except TypeError:
            original_value = original_value()
            processed_value = original_value
        except (ConflictError, RuntimeError):
          raise
        except:
          processed_value = 'Could not evaluate %s' % (original_value,)
          LOG('ListBox', WARNING, 'could not evaluate %r' % (original_value,),
              error = sys.exc_info())
          original_value = None

      # Process the value.
      if processed_value is None:
        processed_value = u''
      else:
        processed_value = unicode(str(processed_value), self.renderer.getEncoding())

      value_list.append((original_value, processed_value))

    return value_list

class ListBoxHTMLRendererLine(ListBoxRendererLine):
  """This class is specialized to the HTML renderer.
  """
  def render(self):
    """Render the values obtained by getValueList. The result is a list of tuples,
    where each tuple consists of a piece of HTML, the original value and a boolean value which represents
    an error status. If the status is true, an error is detected.
    """
    editable_column_id_set = self.renderer.getEditableColumnIdSet()
    field_id = self.renderer.getId()
    form = self.renderer.getForm()
    error_dict = self.renderer.getFieldErrorDict()
    brain = self.getBrain()
    encoding = self.renderer.getEncoding()
    url_column_dict = dict(self.renderer.getUrlColumnList())
    selection = self.renderer.getSelection()
    selection_name = self.renderer.getSelectionName()

    html_list = []

    for (original_value, processed_value), (sql, title), alias \
      in zip(self.getValueList(), self.renderer.getSelectedColumnList(), self.renderer.getColumnAliasList()):
      # By default, no error.
      error = False

      # Embed the selection index.
      selection.edit(index = self.index)

      # If a field is editable, generate an input form.
      # XXX why don't we generate an input form when a widget is not defined?
      editable_field_id = '%s_%s' % (field_id, alias)
      if not self.isSummary() and form.has_field(editable_field_id):
        editable_field = form.get_field(editable_field_id)
      else:
        editable_field = None

1878 1879 1880 1881 1882 1883 1884 1885 1886
      # Prepare link value - we now use it for both static and field rendering
      no_link = False
      url_method = None
      url = None

      # Find an URL method.
      if url_column_dict.has_key(sql):
        url_method_id = url_column_dict.get(sql)
        if url_method_id != sql:
1887
          if url_method_id not in (None, ''):
1888 1889 1890 1891 1892
            url_method = getattr(brain, url_method_id, None)
            if url_method is None:
              LOG('ListBox', WARNING, 'could not find the url method %s' % (url_method_id,))
              no_link = True
          else:
1893
            # If the URL Method is empty, generate no link.
1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920
            no_link = True

      if url_method is not None:
        try:
          url = url_method(brain = brain, selection = selection)
        except (ConflictError, RuntimeError):
          raise
        except:
          LOG('ListBox', WARNING, 'could not evaluate the url method %r with %r' % (url_method, brain),
              error = sys.exc_info())
      elif not no_link:
        # XXX For compatibility?
        # Check if this object provides a specific URL method.
        if getattr(brain, 'getListItemUrl', None) is not None:
          try:
            url = brain.getListItemUrl(alias, self.index, selection_name)
          except (ConflictError, RuntimeError):
            raise
          except:
            LOG('ListBox', WARNING, 'could not evaluate the url method getListItemUrl with %r' % (brain,),
                error = sys.exc_info())
        else:
          try:
            url = '%s/view?selection_index=%s&amp;selection_name=%s&amp;reset:int=1' % (brain.getPath(), self.index, selection_name)
          except AttributeError:
            pass

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      if editable_field is not None and sql in editable_column_id_set:
        # XXX what if the object does not have uid?
        key = '%s_%s' % (editable_field_id, self.getUid())
        if error_dict.has_key(key):
          error = True
          error_text = error_dict[key].error_text
          error_text = cgi.escape(error_text)
          if isinstance(error_text, str):
            error_text = unicode(error_text, encoding)
          error_message = u'<br />' + error_text
1931
          processed_value = self.renderer.request.get('field_%s' % key, processed_value)
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        else:
          error_message = u''

        # XXX Formulator should be able to accept unicode.
        if isinstance(processed_value, unicode):
          display_value = processed_value.encode(encoding)
        else:
          display_value = processed_value

        # XXX this is a horrible hack.
        if editable_field.meta_type in ('DateTimeField', 'ProxyField', ):
          # XXX Some fields prefer None to ''.
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          cell_html = editable_field.render( \
                            value   = original_value
                          , REQUEST = brain.asContext( \
                                               REQUEST = self.renderer.request
                                             , form    = self.renderer.request.form
                                             )
                          , key     = key
                          )
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        else:
          # We use REQUEST which is not so good here.
          # This prevents from using standard display process.
          # XXX what does the above comment mean exactly? why don't we fix Formulator?
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          # XXX (JPS) - render_view does not get REQUEST - this breaks so many possibilities
          REQUEST = get_request() # Dirtymax hack by JPS - render_view API update required
          REQUEST.cell = self.getObject()
          cell_html = editable_field.render( value   = display_value
                                           , REQUEST = brain
                                           , key     = key
                                           )
1963 1964 1965 1966

        if isinstance(cell_html, str):
          cell_html = unicode(cell_html, encoding)

1967 1968 1969 1970 1971
        if url is None:
          html = cell_html + error_message
        else:
          html = u'<a href="%s">%s</a> <span class="warning">%s</span>' % (url, cell_html, error_message)

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      else:
        # If not editable, show a static text with a link, if enabled.
        processed_value = cgi.escape(processed_value)
        if url is None:
          html = processed_value
        else:
          html = u'<a href="%s">%s</a>' % (url, processed_value)

      html_list.append((html, original_value, error))

    return html_list

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allow_class(ListBoxHTMLRendererLine)

class ListBoxRendererContext(Acquisition.Explicit):
  """This class helps making a context for a Page Template,
  because Page Template requires an acquisition context.
  """
  def __init__(self, renderer):
    self.renderer = renderer
    # XXX this is a workaround for GlobalTranslationService.
    self.Localizer = renderer.getContext().Localizer

  def __getattr__(self, name):
    return getattr(self.renderer, name)
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class ListBoxHTMLRenderer(ListBoxRenderer):
  """This class implements HTML rendering for ListBox.
  """
  def getLineClass(self):
    """Return the line class.
    """
    return ListBoxHTMLRendererLine

  def getLineStart(self):
    """Return a requested start number.
    """
    try:
      start = self.request.get('list_start')
      start = int(start)
2012
    except (TypeError, KeyError):
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      param_dict = self.getParamDict()
      start = param_dict.get('list_start', 0)
      if isinstance(start, list):
        start = start[0]
      start = int(start)
    start = max(start, 0)

    return start

  getLineStart = VolatileCachingMethod(getLineStart)

  def getMaxLineNumber(self):
    """Return the maximum number of lines shown in a page.
    """
    return self.field.get_value('lines')

  getMaxLineNumber = VolatileCachingMethod(getMaxLineNumber)

2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049
  def getMD5Checksum(self):
    """Generate a MD5 checksum against checked uids. This is used to confirm
    that selected values do not change between a display of a dialog and an execution.

    FIXME: this should only use getCheckedUidList, but Folder_deleteObjectList does not use
    the feature that checked uids are used when no list method is specified.
    """
    checked_uid_list = self.request.get('uids')
    if checked_uid_list is None:
      checked_uid_list = self.getCheckedUidList()
    if checked_uid_list is not None:
      checked_uid_list = [str(uid) for uid in checked_uid_list]
      checked_uid_list.sort()
      md5_string = md5.new(str(checked_uid_list)).hexdigest()
    else:
      md5_string = None

    return md5_string

2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065
  def getPhysicalRoot(self):
    """Return the physical root (an Application object). This method is required for
    Page Template to make a context.
    """
    return self.getContext().getPhysicalRoot()

  asHTML = PageTemplateFile('www/ListBox_asHTML', globals())

  def getPageTemplate(self):
    """Return a Page Template to render.
    """
    context = ListBoxRendererContext(self)

    # If a specific template is specified, use it.
    method_id = self.field.get_value('page_template')
    if method_id:
2066
      return aq_base(getattr(self.getContext(), method_id)).__of__(context)
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    # Otherwise, use the default one.
    return context.asHTML

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  def render(self, **kw):
    """Render the data in HTML.
    """
    # Make it sure to store the current selection, only if a list method is defined.
    list_method = self.getListMethod()
    selection = self.getSelection()
    if list_method is not None:
      method_path = getPath(self.getContext()) + '/' + self.getListMethodName()
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      list_url = '%s?selection_name=%s' % (self.getUrl(), self.getRequestedSelectionName())
      selection_index = self.getSelectionIndex()
      if selection_index is not None:
        list_url += '&selection_index=%s' % selection_index
2083 2084 2085
      selection.edit(method_path = method_path, list_url = list_url)
      self.getSelectionTool().setSelectionFor(self.getSelectionName(), selection, REQUEST = self.request)

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    pt = self.getPageTemplate()
    return pt()

  def original_render(self, **kw):
    """This is just a reference. Not used any longer.
    """
    # Make it sure to store the current selection, only if a list method is defined.
    list_method = self.getListMethod()
    selection = self.getSelection()
    if list_method is not None:
      method_path = getPath(self.getContext()) + '/' + self.getListMethodName()
      list_url = '%s?selection_name=%s' % (self.getUrl(), self.getRequestedSelectionName())
      selection_index = self.getSelectionIndex()
      if selection_index is not None:
        list_url += '&selection_index=%s' % selection_index
      selection.edit(method_path = method_path, list_url = list_url)
      self.getSelectionTool().setSelectionFor(self.getSelectionName(), selection, REQUEST = self.request)

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    # Obtain the list of lines.
    line_list = self.query()

    # Start rendering.
    # FIXME: This part should be replaced with Page Templates.
    html_list = []
    ui_domain = 'erp5_ui'
    context_domain = 'erp5_context'
    param_dict = self.getParamDict()

    # Prepare format parameters.
    format_dict = dict(portal_url_string = self.getPortalUrlString(),
                       list_action = self.getListActionUrl(),
                       selection_name = self.getSelectionName(),
                       field_id = self.getId(),
2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134
                       field_title = unicode(Message(domain = ui_domain, message = self.getTitle())),
                       record_number = unicode(Message(domain = ui_domain, message = '${number} record(s)',
                                                       mapping = dict(number = str(self.total_size)))),
                       item_number = unicode(Message(domain = ui_domain, message = '${number} item(s) selected',
                                                     mapping = dict(number = str(len(self.getCheckedUidList()))))),
                       flat_list_title = unicode(Message(domain = ui_domain, message = 'Flat List')),
                       report_tree_title = unicode(Message(domain = ui_domain, message = 'Report Tree')),
                       domain_tree_title = unicode(Message(domain = ui_domain, message = 'Domain Tree')),
                       change_page_title = unicode(Message(domain = ui_domain, message = 'Change Page')),
                       previous_page_title = unicode(Message(domain = ui_domain, message = 'Previous Page')),
                       next_page_title = unicode(Message(domain = ui_domain, message = 'Next Page')),
                       check_all_title = unicode(Message(domain = ui_domain, message = 'Check All')),
                       uncheck_all_title = unicode(Message(domain = ui_domain, message = 'Uncheck All')),
                       ascending_display_title = unicode(Message(domain = ui_domain, message = 'Ascending Display')),
                       descending_display_title = unicode(Message(domain = ui_domain, message = 'Descending Display')),
                       action_title = unicode(Message(domain = ui_domain, message = 'Action')),
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                       context_url = self.getContext().getUrl())

    # This is the start of HTML. Embed a selection name.
    html_list.append("""\
<!-- ListBox %(field_id)s starts here. -->
<input type="hidden" name="list_selection_name" value="%(selection_name)s" />
""" % format_dict)

    # If the MD5 checksum is valid, embed it.
2144
    md5_string = self.getMD5Checksum()
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    if md5_string is not None:
      html_list.append("""
<input type="hidden" name="md5_object_uid_list" value="%s" />
""" % md5_string)

    # Create a domain tree selector. Note that this creates one more table, so
    # the table must be terminated at the end.
    if self.isDomainTreeMode():
      html_list.append("""\
 <table border="0" cellpadding="0" cellspacing="0" width="100%%">
  <tr>
   <td valign="top">
    <select name="domain_root_url" onChange="submitAction(this.form, '%(context_url)s/portal_selections/setDomainRoot')">
""" % format_dict)

2160
      selected_domain_path = self.getSelectedDomainPath()
2161 2162 2163 2164 2165 2166 2167 2168
      for c in self.getDomainRootList():
        if c[0] == selected_domain_path:
          selected = 'selected'
        else:
          selected = ''

        html_list.append("""\
     <option %s value="%s">%s</option>
2169
""" % (selected, c[0], unicode(Message(domain = ui_domain, message = c[1]))))
2170 2171 2172 2173 2174 2175

      html_list.append("""\
    </select>
    <table id="%(field_id)s_domain_tree_table" cellpadding="0" border="0">
""" % format_dict)

2176
      # Render a domain tree.
2177
      try:
2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210
        report_tree_list = self.makeReportTreeList(report_path = selected_domain_path,
                                                   unfolded_list = selection.getDomainList(),
                                                   is_report_opened = False)

        total_depth = max([report_tree.depth for report_tree in report_tree_list] + [-1])
        for report_tree in report_tree_list:
          html_list.append("""\
     <tr>
""")
          html_list.append("""\
      <td width="16" nowrap>&nbsp;</td>
""" * report_tree.depth)

          relative_url = report_tree.obj.getRelativeUrl()
          if report_tree.base_category is not None and not relative_url.startswith(report_tree.base_category + '/'):
            domain_url = '%s/%s' % (report_tree.base_category, relative_url)
          else:
            domain_url = relative_url

          if report_tree.is_open:
            method_id = 'foldDomain'
            content = u'-&nbsp;<b>%s</b>' % unicode(Message(domain = ui_domain, message = report_tree.obj.getTitleOrId()))
          else:
            method_id = 'unfoldDomain'
            content = u'+&nbsp;%s' % unicode(Message(domain = ui_domain, message = report_tree.obj.getTitleOrId()))

          html_list.append("""\
      <td nowrap valign="top" align="left" colspan="%d">
       <a href="portal_selections/%s?domain_url=%s&form_id=%s&list_selection_name=%s&domain_depth:int=%d">%s</a>
      </td>
     </tr>
""" % (total_depth - report_tree.depth + 1, method_id, domain_url, self.getForm().id, self.getSelectionName(),
       report_tree.depth, content))
2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294
      except KeyError:
        pass

      html_list.append("""\
    </table>
   </td>
   <td valign="top">
""")

    # Create the title line.
    html_list.append("""
<div class="ListSummary">
 <table border="0" cellpadding="0" cellspacing="0">
  <tr height="10">
   <td height="10"><img src="%(portal_url_string)s/images/Left.png" border="0"/></td>
   <td class="Top" colspan="2" height="10">
    <img src="%(portal_url_string)s/images/spacer.png" width="5" height="10" border="0"
      alt="spacer"/></td>
   <td class="Top" colspan="3" height="10">
    <img src="%(portal_url_string)s/images/spacer.png" width="5" height="10" border="0"
      alt="spacer"/>
   </td>
  </tr>
  <tr id="%(field_id)s_title_line">
   <td class="Left" width="17">
    <img src="%(portal_url_string)s/images/spacer.png" width="5" height="5" border="0"
        alt="spacer"/>
   </td>
   <td valign="middle" nowrap>
""" % format_dict)

    # Embed icons for flat list mode, report tree mode and domain tree mode, only if applicable.
    if self.isReportTreeSupported() or self.isDomainTreeSupported():
      html_list.append("""
    <input type="image" src="%(portal_url_string)s/images/text_block.png" id="%(field_id)s_flat_list_mode"
      title="%(flat_list_title)s" name="portal_selections/setFlatListMode:method" value="1" border="0" alt="img" />
""" % format_dict)

    if self.isReportTreeSupported():
      html_list.append("""
    <input type="image" src="%(portal_url_string)s/images/view_tree.png" id="%(field_id)s_report_tree_mode"
      title="%(report_tree_title)s" name="portal_selections/setReportTreeMode:method" value="1" border="0" alt="img" />
""" % format_dict)

    if self.isDomainTreeSupported():
      html_list.append("""
    <input type="image" src="%(portal_url_string)s/images/view_choose.png" id="%(field_id)s_domain_tree_mode"
      title="%(domain_tree_title)s" name="portal_selections/setDomainTreeMode:method" value="1" border="0" alt="img" />
""" % format_dict)

    # Add information about simple statistics.
    html_list.append("""
   </td>
   <td width="100%%" valign="middle">&nbsp; <a id="listbox_title" href="%(list_action)s">%(field_title)s</a>:
        <span id="listbox_record_number">%(record_number)s</span>
        - <span id="listbox_item_number">%(item_number)s</span>
   </td>
   <td nowrap valign="middle" align="center">
""" % format_dict)

    # Embed a previous page button, only if applicable.
    if self.current_page > 0:
      html_list.append("""
    <input id="%(field_id)s_previous_page" type="image" src="%(portal_url_string)s/images/1leftarrowv.png"
      title="%(previous_page_title)s" name="portal_selections/previousPage:method" border="0" />
""" % format_dict)

    # Make page selectors.
    html_list.append("""
   </td>
   <td nowrap valign="middle" align="center">
    <select id="%(field_id)s_page_selection" name="list_start" title="%(change_page_title)s" size="1"
      onChange="submitAction(this.form, '%(context_url)s/portal_selections/setPage')">
""" % format_dict)

    for p in xrange(0, self.total_pages):
      if p == self.current_page:
        selected = 'selected'
      else:
        selected = ''

      html_list.append("""\
      <option %s value="%d">%s</option>
""" % (selected, p * self.getMaxLineNumber(),
2295 2296
       unicode(Message(domain = ui_domain, message = '${page} of ${total_pages}',
                       mapping = dict(page = p + 1, total_pages = self.total_pages)))))
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    html_list.append("""\
    </select>
   </td>
   <td nowrap valign="middle" align="center">
""")

    # Embed a next page button, only if applicable.
    if self.current_page < self.total_pages - 1:
      html_list.append("""\
    <input id="%(field_id)s_next_page" type="image" src="%(portal_url_string)s/images/1rightarrowv.png"
      title="%(next_page_title)s" name="portal_selections/nextPage:method" border="0" />
""" % format_dict)

    # Create the label line.
    html_list.append("""\
   </td>
  </tr>
 </table>
</div>
<!-- List Content -->
<div class="ListContent">
 <table cellpadding="0" cellspacing="0" border="0">
  <tr id="%(field_id)s_label_line">
""" % format_dict)

    # Make a report tree selection, if applicable.
    if self.isReportTreeMode():
      html_list.append("""\
   <td class="Data" width="50" align="left" valign="middle">
    <select name="report_root_url" onChange="submitAction(this.form, '%(context_url)s/portal_selections/setReportRoot')">
""" % format_dict)

      for c in self.getReportRootList():
        if c[0] == self.getSelectedReportPath():
          selected = 'selected'
        else:
          selected = ''

        html_list.append("""\
     <option %s value="%s">%s</option>
""" % (selected, c[0], c[1]))

      html_list.append("""\
    </select>
   </td>
""")

    # Show check and uncheck icons, if applicable.
    if self.showSelectColumn():
      html_list.append("""\
   <td class="Data" width="50" align="center" valign="middle">
    <input id="%(field_id)s_check_all" type="image" name="portal_selections/checkAll:method" value="1"
      src="%(portal_url_string)s/images/checkall.png" border="0" alt="Check All" title="%(check_all_title)s" />\
&nbsp;<input id="%(field_id)s_uncheck_all" type="image" name="portal_selections/uncheckAll:method" value="1"
      src="%(portal_url_string)s/images/decheckall.png" border="0" alt="Uncheck All" title="%(uncheck_all_title)s" />
   </td>
""" % format_dict)

    # Show labels with quick sort links when appropriate.
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    for sql, title, sort_order in self.getLabelValueList():
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      html_list.append("""\
   <td class="Data">\
""")
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      if sql is not None:
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        html_list.append("""\
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<a href="portal_selections/setSelectionQuickSortOrder?selection_name=%s&amp;sort_on=%s&amp;form_id=%s">%s</a>\
""" % (self.getSelectionName(), sql, self.getForm().id, unicode(Message(domain = ui_domain, message = title))))
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        if sort_order == 'ascending':
          html_list.append("""\
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 <img src="%(portal_url_string)s/images/1bottomarrow.png" alt="Ascending Display" title="%(ascending_display_title)s" />\
""" % format_dict)
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        elif sort_order == 'descending':
          html_list.append("""\
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 <img src="%(portal_url_string)s/images/1toparrow.png" alt="Descending Display" title="%(descending_display_title)s" />\
""" % format_dict)
      else:
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        html_list.append('%s' % (unicode(Message(domain = ui_domain, message = title),)))
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      html_list.append("""\
   </td>
""")

    html_list.append("""\
  </tr>
""")

    # Make the search line, if enabled. Or, make a report depth selector only in report tree mode.
    if self.showSearchLine() or self.isReportTreeMode():
      if self.showSearchLine():
        html_list.append("""\
  <tr id="%(field_id)s_search_line">
""" % format_dict)
      else:
        html_list.append("""\
  <tr id="%(field_id)s_report_depth_line">
""" % format_dict)

      # Make a report depth selector, if applicable.
      if self.isReportTreeMode():
        if self.showSearchLine():
          colspan = 1
        else:
          colspan = len(self.getSelectedColumnList()) + self.showSelectColumn() + 1

        html_list.append("""\
   <td class="Data" width="50" align="left" valign="middle" colspan="%d">\
""" % colspan)

        # XXX isn't it better to make this configurable?
        for i in xrange(0, 6):
          html_list.append("""\
&nbsp;<a href="%s?selection_name=%s&selection_index=%s&report_depth:int=%d">%d</a>\
""" % (self.getUrl(), self.getRequestedSelectionName(), self.getSelectionIndex(), i, i))

        is_report_opened = self.getSelection().isReportOpened()
        html_list.append("""\
&nbsp;-&nbsp;<a href="%s?selection_name=%s&selection_index=%s&is_report_opened:int=%d">%s</a>\
""" % (self.getUrl(), self.getRequestedSelectionName(), self.getSelectionIndex(),
       not is_report_opened,
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       unicode(Message(domain = ui_domain, message = is_report_opened and 'Hide' or 'Show'))))
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        html_list.append("""\
   </td>
""")

      # Put a select icon, if enabled.
      if self.showSelectColumn() and self.showSearchLine():
        html_list.append("""\
   <td class="Data" width="50" align="center" valign="middle">
     <input id="%(field_id)s_select" type="image" src="%(portal_url_string)s/images/exec16.png" title="%(action_title)s" alt="Action" name="Base_doSelect:method" />
   </td>
""" % format_dict)

      # Add search fields.
      if self.showSearchLine():
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        for alias, param, search_field in self.getSearchValueList():
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          html_list.append("""\
   <td class="DataB">
""")

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          if alias is not None:
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            # Render the search field by a widget, if any.
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            if search_field is not None:
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              search_field_html = search_field.render(value = param, key = alias)
            else:
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              search_field_html = """<input name="%s" size="8" value="%s" />""" % (alias, cgi.escape(param))
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            # FIXME: The font size should be defined in the CSS.
            html_list.append("""\
    <font size="-3">%s</font>
""" % search_field_html)

          html_list.append("""\
   </td>
""")

      # Terminate the search line.
      html_list.append("""\
  </tr>
""")

    # Add data lines.
    selection = self.getSelection()
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    checked_uid_set = self.getCheckedUidSet()
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    for i, line in enumerate(line_list):
      # Change the appearance of each line for visibility.
      if (i % 2) == 0:
        tr_css = 'DataA'
      else:
        tr_css = 'DataB'

      # For now, use the same class name for td as well.
      td_css = tr_css

      html_list.append("""\
  <tr id="%s_data_line_%d" class="%s">
""" % (self.getId(), i, tr_css))

      # Embed the uid of the object.
      html_list.append("""\
   <input type="hidden" value="%s" name="%s_uid:list" />
""" % (line.getUid() or '', self.getId()))

      # Show a report section column in report tree mode.
      if self.isReportTreeMode():
        # Get the title or the id of the context.
        if line.getContext() is not None:
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          section_name = unicode(Message(domain = context_domain, message = line.getContext().getTitleOrId()))
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        else:
          section_name = ''

        # Select the prefix for the section name.
        if len(section_name):
          if line.isOpen():
            section_char = '- '
          else:
            section_char = '+ '
        else:
          section_char = ''

        if line.isOpen():
          method_id = 'foldReport'
        else:
          method_id = 'unfoldReport'

        domain_url = line.getDomainUrl()

        html_list.append("""\
   <td class="%s" align="left" valign="middle">
     <a href="portal_selections/%s?report_url=%s&form_id=%s&list_selection_name=%s">%s%s%s</a>
   </td>
""" % (td_css, method_id, domain_url, self.getForm().id, self.getSelectionName(),
       '&nbsp;&nbsp;' * line.getDepth(), section_char, section_name))

      # Show a select column, if enabled.
      if self.showSelectColumn():
        html_list.append("""\
   <td class="%s" width="50" align="center" valign="middle">
""" % td_css)

        if not line.isSummary() and line.getObject() is not None:
          if line.getUid() in checked_uid_set:
            selected = 'checked'
          else:
            selected = ''

          html_list.append("""\
     <input type="checkbox" %s value="%s" id="%s_cb_%s" name="uids:list" />
""" % (selected, line.getUid(), self.getId(), line.getUid()))
        else:
          html_list.append('&nbsp;')

        html_list.append("""\
   </td>
""")

      # Add data columns.
      for html, original_value, error in line.render():
        # Depending on the type of the original value, determine an alignment.
        # FIXME: should use a CSS class instead of "align".
        if isinstance(original_value, (float, int, long)):
          td_align = 'right'
        else:
          td_align = 'left'

        if error:
          td_css = td_css + 'Error'

        html_list.append("""\
   <td class="%s" align="%s">%s</td>
""" % (td_css, td_align, html))

      # Terminate the line.
      html_list.append("""\
  </tr>
""")

    # Show a stat line, if enabled.
    if self.showStat():
      html_list.append("""\
  <tr id="%(field_id)s_stat_line">
""" % format_dict)

      if self.isReportTreeMode():
        html_list.append("""\
   <td class="Data">&nbsp;</td>
""")

      if self.showSelectColumn():
        html_list.append("""\
   <td class="Data">&nbsp;</td>
""")

      for original_value, processed_value in self.getStatValueList():
        # XXX Determine the alignment.
        if isinstance(original_value, (float, int, long)):
          td_align = 'right'
        else:
          td_align = 'left'

        processed_value = cgi.escape(processed_value)

        html_list.append("""\
   <td class="Data" align="%s">%s</td>
""" % (td_align, processed_value))

      html_list.append("""\
  </tr>
""")

    html_list.append("""\
 </table>
</div>
""")

    # In domain tree mode, an extra table is used, so terminate the table here.
    if self.isDomainTreeMode():
      html_list.append("""\
   </td>
  </tr>
 </table>
""")

    html_list.append("""\
<!-- ListBox %(field_id)s ends here. -->
""" % format_dict)

    return ''.join(html_list)

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allow_class(ListBoxHTMLRenderer)

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class ListBoxListRenderer(ListBoxRenderer):
  """This class implements list rendering for ListBox.
  """
  def getLineClass(self):
    """Return the line class. For now, ListBoxListRenderer uses the generic class.
    """
    return ListBoxRendererLine

  def getLineStart(self):
    """Return always 0.
    """
    return 0

  def getMaxLineNumber(self):
    """Return always 0 (infinite).
    """
    return 0

  def render(self, **kw):
    """Render the data in a list of ListBoxLine objects.
    """
    listboxline_list = []

    # Make a title line.
    title_listboxline = ListBoxLine()
    title_listboxline.markTitleLine()
    for c in self.getSelectedColumnList():
      title_listboxline.addColumn(c[0], c[1].encode(self.getEncoding()))
    listboxline_list.append(title_listboxline)

    # Obtain the list of lines.
    checked_uid_set = set(self.getCheckedUidList())
    for line in self.query():
      listboxline = ListBoxLine()
      listboxline.markDataLine()
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      listboxline.setSectionDepth(line.getDepth())
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      if line.isSummary():
        listboxline.markSummaryLine()
        # XXX What is this "+ 1"?
        listboxline.setSectionDepth(line.getDepth() + 1)
        context = line.getContext()
        if context is not None:
          section_name = context.getTitleOrId() or None
        else:
          section_name = None
        listboxline.setSectionName(section_name)
        listboxline.setSectionFolded(not line.isOpen())

      if line.getBrain() is not None:
        uid = line.getUid()
        listboxline.setObjectUid(uid)
        listboxline.checkLine(uid in checked_uid_set)

      for (original_value, processed_value), (sql, title) in zip(line.getValueList(), self.getSelectedColumnList()):
        if isinstance(original_value, unicode):
          value = original_value.encode(self.getEncoding())
        else:
          value = original_value

        if isinstance(value, str):
          value = value.replace('&nbsp;', ' ')

        listboxline.addColumn(sql, value)

      listboxline_list.append(listboxline)

    # Make a stat line, if enabled.
    if self.showStat():
      stat_listboxline = ListBoxLine()
      stat_listboxline.markStatLine()

      for (original_value, processed_value), (sql, title) in zip(self.getStatValueList(), self.getSelectedColumnList()):
        if isinstance(original_value, unicode):
          value = original_value.encode(self.getEncoding())
        else:
          value = original_value

        if isinstance(value, str):
          value = value.replace('&nbsp;', ' ')

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        stat_listboxline.addColumn(sql, value)
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      listboxline_list.append(stat_listboxline)

    return listboxline_list

class ListBoxValidator(Validator.Validator):
    property_names = Validator.Validator.property_names

    def validate(self, field, key, REQUEST):
        form = field.aq_parent
        # We need to know where we get the getter from
        # This is coppied from ERP5 Form
        here = getattr(form, 'aq_parent', REQUEST)
        columns = field.get_value('columns')
        editable_columns = field.get_value('editable_columns')
        column_ids = map(lambda x: x[0], columns)
        editable_column_ids = map(lambda x: x[0], editable_columns)
        selection_name = field.get_value('selection_name')
        #LOG('ListBoxValidator', 0, 'field = %s, selection_name = %s' % (repr(field), repr(selection_name)))
        selection = here.portal_selections.getSelectionFor(selection_name, REQUEST=REQUEST)
        params = selection.getParams()
        portal_url = getToolByName(here, 'portal_url')
        portal = portal_url.getPortalObject()


        result = {}
        error_result = {}
        listbox_uids = REQUEST.get('%s_uid' % field.id, [])
        #LOG('ListBox.validate: REQUEST',0,REQUEST)
        errors = []
        object_list = []
        # We have two things to do in the case of temp objects,
        # the first thing is to create a list with new temp objects
        # then try to validate some data, and then create again
        # the list with a listbox as parameter. Like this we
        # can use tales expression
        for uid in listbox_uids:
          if str(uid).find('new') == 0:
            list_method = field.get_value('list_method')
            list_method = getattr(here, list_method.method_name)
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            #LOG('ListBoxValidator', 0, 'call %s' % repr(list_method))
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            object_list = list_method(REQUEST=REQUEST, **params)
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            break
        listbox = {}
        for uid in listbox_uids:
          if str(uid).find('new') == 0:
            o = None
            for object in object_list:
              if object.getUid()==uid:
                o = object
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            if o is None:
              # First case: dialog input to create new objects
              o = newTempBase(portal, uid[4:]) # Arghhh - XXX acquisition problem - use portal root
              o.uid = uid
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            listbox[uid[4:]] = {}
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            # We first try to set a listbox corresponding to all things
            # we can validate, so that we can use the same list
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            # as the one used for displaying the listbox
            for sql in editable_column_ids:
              alias = '_'.join(sql.split('.'))
              if '.' in sql:
                property_id = '.'.join(sql.split('.')[1:]) # Only take trailing part
              else:
                property_id = alias
              my_field_id = '%s_%s' % (field.id, alias)
              if form.has_field( my_field_id ):
                my_field = form.get_field(my_field_id)
                key = 'field_' + my_field.id + '_%s' % o.uid
                error_result_key = my_field.id + '_%s' % o.uid
                REQUEST.cell = o
                try:
                  value = my_field.validator.validate(my_field, key, REQUEST) # We need cell
                  # Here we set the property
                  listbox[uid[4:]][sql] = value
                except ValidationError, err: # XXXX import missing
                  pass
        # Here we generate again the object_list with listbox the listbox we
        # have just created
        if len(listbox)>0:
          list_method = field.get_value('list_method')
          list_method = getattr(here, list_method.method_name)
          REQUEST.set('listbox',listbox)
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          object_list = list_method(REQUEST=REQUEST,**params)
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        for uid in listbox_uids:
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          if str(uid).find('new') == 0:
            # First case: dialog input to create new objects
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            #o = newTempBase(here, uid[4:]) # Arghhh - XXX acquisition problem - use portal root
            #o.uid = uid
            o = None
            for object in object_list:
              if object.getUid()==uid:
                o = object
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            if o is None:
              # First case: dialog input to create new objects
              o = newTempBase(portal, uid[4:]) # Arghhh - XXX acquisition problem - use portal root
              o.uid = uid
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            result[uid[4:]] = {}
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            for sql in editable_column_ids:
              alias = '_'.join(sql.split('.'))
              if '.' in sql:
                property_id = '.'.join(sql.split('.')[1:]) # Only take trailing part
              else:
                property_id = alias
              my_field_id = '%s_%s' % (field.id, alias)
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              if form.has_field( my_field_id ):
                my_field = form.get_field(my_field_id)
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                REQUEST.cell = o
                if my_field.get_value('editable',REQUEST=REQUEST) and field.need_validate(REQUEST):
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                  key = 'field_' + my_field.id + '_%s' % o.uid
                  error_result_key = my_field.id + '_%s' % o.uid
                  try:
                    value = my_field.validator.validate(my_field, key, REQUEST) # We need cell
                    result[uid[4:]][sql] = value
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                  except ValidationError, err:
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                    #LOG("ListBox ValidationError",0,str(err))
                    err.field_id = error_result_key
                    errors.append(err)
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          else:
            # Second case: modification of existing objects
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            #try:
            if 1: #try:
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              # We must try this
              # because sometimes, we can be provided bad uids
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              try :
                o = here.portal_catalog.getObject(uid)
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              except (KeyError, NotFound, ValueError):
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                o = None
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              if o is None:
                # It is possible that this object is not catalogged yet. So
                # the object must be obtained from ZODB.
                if not object_list:
                  list_method = field.get_value('list_method')
                  list_method = getattr(here, list_method.method_name)
                  object_list = list_method(REQUEST=REQUEST,**params)
                for object in object_list:
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                  try:
                    if object.getUid() == int(uid):
                      o = object
                      break
                  except ValueError:
                    if str(object.getUid()) == uid:
                      o = object
                      break
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              for sql in editable_column_ids:
                alias = '_'.join(sql.split('.'))
                if '.' in sql:
                  property_id = '.'.join(sql.split('.')[1:]) # Only take trailing part
                else:
                  property_id = alias
                my_field_id = '%s_%s' % (field.id, alias)
                if form.has_field( my_field_id ):
                  my_field = form.get_field(my_field_id)
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                  REQUEST.cell = o # We need cell
                  if my_field.get_value('editable',REQUEST=REQUEST) and field.need_validate(REQUEST):
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                    tales_expr = my_field.tales.get('default', "")
                    key = 'field_' + my_field.id + '_%s' % o.uid
                    error_result_key = my_field.id + '_%s' % o.uid
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                    try:
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                      value = my_field.validator.validate(my_field, key, REQUEST) # We need cell
                      error_result[error_result_key] = value
                      if not result.has_key(o.getUrl()):
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                        result[o.getUrl()] = {}
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                      result[o.getUrl()][sql] = value
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                    except ValidationError, err:
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                      #LOG("ListBox ValidationError",0,str(err))
                      err.field_id = error_result_key
                      errors.append(err)
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            #except:
            else:
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              LOG("ListBox WARNING",0,"Object uid %s could not be validated" % uid)
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        if len(errors) > 0:
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            LOG("ListBox FormValidationError",0,str(error_result))
            LOG("ListBox FormValidationError",0,str(errors))
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            raise FormValidationError(errors, error_result)
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        return result

ListBoxValidatorInstance = ListBoxValidator()

class ListBox(ZMIField):
    meta_type = "ListBox"

    widget = ListBoxWidgetInstance
    validator = ListBoxValidatorInstance

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    security = ClassSecurityInfo()
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    security.declareProtected('Access contents information', 'get_value')
    def get_value(self, id, **kw):
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      if (id == 'default'):
        if (kw.get('render_format') in ('list', )):
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          return self.widget.render(self, self.generate_field_key(), None,
                                    kw.get('REQUEST'),
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                                    render_format=kw.get('render_format'))
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        else:
          return None
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      else:
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        return ZMIField.get_value(self, id, **kw)
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class ListBoxLine:
  meta_type = "ListBoxLine"
  security = ClassSecurityInfo()
  #security.declareObjectPublic()

  def __init__(self):
    """
      Initialize the line and set the default values
      Selected columns must be defined in parameter of listbox.render...
    """
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    self.is_title_line = 0
    self.is_data_line = 1
    self.is_stat_line = 0
    self.is_summary_line = 0

    self.is_section_folded = 1

    self.config_dict = {
      'is_checked' : 0,
      'uid' : None,
      'section_name' : None,
      'section_depth' : 0,
      'content_mode' : 'DataLine'
    }
    self.config_display_list = []

    self.column_dict = {}
    self.column_id_list = []
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  security.declarePublic('__getitem__')
  def __getitem__(self, column_id):
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    return self.getColumnProperty(column_id)
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  #security.declarePublic('View')
  def setConfigProperty(self, config_id, config_value):
    self.config_dict[config_id] = config_value

  #security.declarePublic('View')
  def getConfigProperty(self, config_id):
    return self.config_dict[config_id]

  #security.declarePublic('View')
  def setListboxLineContentMode(self, content_mode):
    """
      Toogle the content type of the line
      content_mode can be 'TitleLine' 'StatLine' 'DataLine'
      Default value is 'DataLine'
    """
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    content_mode_dict = {
      'TitleLine':(1,0,0,0),
      'DataLine':(0,1,0,0),
      'StatLine':(0,0,1,0),
      'SummaryLine':(0,0,0,1)
    }
    self.is_title_line,\
    self.is_data_line,\
    self.is_stat_line,\
    self.is_summary_line = content_mode_dict[content_mode]

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    self.setConfigProperty('content_mode',content_mode)

  #security.declarePublic('View')
  def markTitleLine(self):
    """
      Set content of the line to 'TitleLine'
    """
    self.setListboxLineContentMode('TitleLine')

  security.declarePublic('isTitleLine')
  def isTitleLine(self):
    """
      Returns 1 is this line contains no data but only title of columns
    """
    return self.is_title_line

  #security.declarePublic('View')
  def markStatLine(self):
    """
      Set content of the line to 'StatLine'
    """
    self.setListboxLineContentMode('StatLine')
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  security.declarePublic('isStatLine')
  def isStatLine(self):
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    """
      Returns 1 is this line contains no data but only stats
    """
    return self.is_stat_line
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  #security.declarePublic('View')
  def markDataLine(self):
    """
      Set content of the line to 'DataLine'
    """
    self.setListboxLineContentMode('DataLine')
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  security.declarePublic('isDataLine')
  def isDataLine(self):
    """
      Returns 1 is this line contains data
    """
    return self.is_data_line

  #security.declarePublic('View')
  def markSummaryLine(self):
    """
      Set content of the line to 'SummaryLine'
    """
    self.setListboxLineContentMode('SummaryLine')

  security.declarePublic('isSummaryLine')
  def isSummaryLine(self):
    """
      Returns 1 is this line is a summary line
    """
    return self.is_summary_line

  #security.declarePublic('View')
  def checkLine(self, is_checked):
    """
      Set line to checked if is_checked=1
      Default value is 0
    """
    self.setConfigProperty('is_checked',is_checked)

  security.declarePublic('isLineChecked')
  def isLineChecked(self):
    """
      Returns 1 is this line is checked
    """
    return self.getConfigProperty('is_checked')
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  #security.declarePublic('View')
  def setObjectUid(self, object_uid):
    """
      Define the uid of the object
      Default value is None
    """
    self.setConfigProperty('uid',object_uid)

  security.declarePublic('getObjectUid')
  def getObjectUid(self):
    """
      Get the uid of the object related to the line
    """
    return self.getConfigProperty('uid')
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  #security.declarePublic('View')
  def setSectionName(self, section_name):
    """
      Set the section name of this line
      Default value is None
    """
    self.setConfigProperty('section_name',section_name)

  security.declarePublic('getSectionName')
  def getSectionName(self):
    """
      Returns the section name of this line
      Default value is None
    """
    return self.getConfigProperty('section_name')

  #security.declarePublic('View')
  def setSectionDepth(self, depth):
    """
      Set the section depth of this line
      default value is 0 and means no depth
    """
    self.setConfigProperty('section_depth',depth)
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  security.declarePublic('getSectionDepth')
  def getSectionDepth(self):
    """
      Returns the section depth of this line
      0 means no depth
    """
    return self.getConfigProperty('section_depth')
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  #security.declarePublic('View')
  def setSectionFolded(self, is_section_folded):
    """
      Set the section mode of this line to 'Folded' if is_section_folded=1
    """
    self.is_section_folded = is_section_folded
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  security.declarePublic('isSectionFolded')
  def isSectionFolded(self):
    """
      Returns 1 if section is in 'Folded' Mode
    """
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    return self.is_section_folded

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  #security.declarePublic('View')
  def addColumn(self, column_id, column_value):
    """
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      Add a new column
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    """
    self.column_dict[column_id] = column_value
    self.column_id_list.append(column_id)

  security.declarePublic('getColumnProperty')
  def getColumnProperty(self, column_id):
    """
      Returns the property of a column
    """
    return self.column_dict[column_id]


  security.declarePublic('getColumnPropertyList')
  def getColumnPropertyList(self, column_id_list = None):
    """
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      Returns a list of the property
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      column_id_list selects the column_id returned
    """
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    if column_id_list == None:
      column_id_list = self.column_id_list
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    if self.isTitleLine():
      config_column = [None] * len(self.config_display_list)
    else:
      config_column = [self.config_dict[column_id] for column_id in self.config_display_list]
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    return config_column + [self.column_dict[column_id] for column_id in column_id_list]

  security.declarePublic('getColumnItemList')
  def getColumnItemList(self, column_id_list = None ):
    """
      Returns a list of property tuple
      column_id_list selects the column_id returned
    """
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    if column_id_list == None:
      column_id_list = self.column_id_list
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    """
    if self.isTitleLine():
      config_column = [None] * len(self.config_display_list)
    else:
      config_column = [(config_id, self.config_dict[column_id]) for config_id in self.config_display_list]
    """
    config_column = [(config_id, self.config_dict[config_id]) for config_id in self.config_display_list]
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    return config_column + [(column_id , self.column_dict[column_id]) for column_id in column_id_list]
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  security.declarePublic('setListboxLineDisplayListMode')
  def setListboxLineDisplayListMode(self, display_list):
    """
      Set the config columns displayable
      display_list can content the key of self.config_dict
      Default value of display_list is []
    """
    self.config_display_list = display_list
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InitializeClass(ListBoxLine)
allow_class(ListBoxLine)

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Jean-Paul Smets committed
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# Psyco
import psyco
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#psyco.bind(ListBoxWidget.render)
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psyco.bind(ListBoxValidator.validate)