#-*- mode: python; mode: fold -*-
# $Id: Widgets.py 1151 2006-12-29 22:05:53Z joachim $
from cgi import escape
from types import *
from Globals import InitializeClass
##from Products.CPSSchemas.Widget import CPSWidgetType
from Products.CMFCore.utils import getToolByName
from Products.CPSSchemas.BasicWidgets import CPSWidget, CPSStringWidget, CPSEmailWidget,CPSImageWidget
from Products.CPSSchemas.BasicWidgets import renderHtmlTag,CPSSelectWidget, CPSStringWidget
from Products.CPSSchemas.ExtendedWidgets import CPSDateTimeWidget
from Products.CPSSchemas.Widget import widgetRegistry
##from Products.CPSSchemas.WidgetTypesTool import WidgetTypeRegistry
from DateTime.DateTime import DateTime
from AccessControl import getSecurityManager
from Products.WAeUP_SRP.Students import getStudentByRegNo
from re import compile
import logging

#from zLOG import LOG, DEBUG

class CPSSelectWidgetForRecord(CPSSelectWidget): ###(
    """Select widget. with record names"""
    meta_type = 'Select Widget for Records'

    field_types = ('CPS String Field',)
    field_inits = ({'is_searchabletext': 1,},)

    _properties = CPSSelectWidget._properties + (
        {'id': 'record_id', 'type': 'string', 'mode': 'w',
         'label': 'Record Id', 'is_required' : 1},
        )

    def render(self, mode, datastructure, **kw):
        """Render in mode from datastructure."""
        value = datastructure[self.getWidgetId()]
        vocabulary = self._getVocabulary(datastructure)
        portal = getToolByName(self, 'portal_url').getPortalObject()
        cpsmcat = portal.translation_service
        if mode == 'view':
            if self.translated:
                return escape(cpsmcat(vocabulary.getMsgid(value, value)).encode('ISO-8859-15', 'ignore'))
            else:
                return escape(vocabulary.get(value, value))
        elif mode == 'edit':
            html_widget_id = self.getHtmlWidgetId()
            res = renderHtmlTag('select',
                                name='%s.%s:records' % (self.record_id,html_widget_id),
                                id=html_widget_id)
            in_selection = 0
            for k, v in vocabulary.items():
                if self.translated:
                    kw = {'value': k,
                          'contents': cpsmcat(vocabulary.getMsgid(k, k)).encode('ISO-8859-15', 'ignore')
                          }
                else:
                    kw = {'value': k, 'contents': v}
                if value == k:
                    kw['selected'] = 'selected'
                    in_selection = 1
                res += renderHtmlTag('option', **kw)
            if value and not in_selection:
                kw = {'value': value, 'contents': 'invalid: '+ str(value),
                      'selected': 'selected'}
                res += renderHtmlTag('option', **kw)
            res += '</select>'
            return res
        raise RuntimeError('unknown mode %s' % mode)

InitializeClass(CPSSelectWidgetForRecord)

widgetRegistry.register(CPSSelectWidgetForRecord)

###)

class CPSStringWidgetForRecord(CPSStringWidget): ###(
    """String widget."""
    meta_type = 'String Widget For Record'

    field_types = ('CPS String Field',)
    field_inits = ({'is_searchabletext': 1,},)
    _properties = CPSStringWidget._properties + (
        {'id': 'record_id', 'type': 'string', 'mode': 'w',
         'label': 'Record Id', 'is_required' : 1},
        )

    def render(self, mode, datastructure, **kw):
        """Render in mode from datastructure."""
        value = datastructure[self.getWidgetId()]
        if mode == 'view':
            return escape(value)
        elif mode == 'edit':
            # XXX TODO should use an other name than kw !
            # XXX change this everywhere
            html_widget_id = self.getHtmlWidgetId()
            kw = {'type': 'text',
                  'id'  : html_widget_id,
                  'name': '%s.%s:records' % (self.record_id,html_widget_id),
                  'value': escape(value),
                  'size': self.display_width,
                  }
            if self.size_max:
                kw['maxlength'] = self.size_max
            return renderHtmlTag('input', **kw)
        raise RuntimeError('unknown mode %s' % mode)

InitializeClass(CPSStringWidgetForRecord)

widgetRegistry.register(CPSStringWidgetForRecord)

###)

class CertificateCourseIdWidget(CPSStringWidget): ###(
    """ CertificateCourseId Widget"""
    meta_type = "CertificateCourseId Widget"

    def validate(self, datastructure, **kw):
        """Validate datastructure and update datamodel."""

        valid = CPSStringWidget.validate(self, datastructure, **kw)
        if not valid:
            return 0
        else:
            widget_id = self.getWidgetId()
            value = datastructure[widget_id].upper()
            err = 0
            c_ids = [c.id for c in self.portal_catalog({'meta_type': "Course"})]
            if hasattr(self.aq_parent,value):
                err = 'Course %s already exists' % (value)
            elif value not in c_ids:
                err = 'Course %s does not exist' % (value)
            if err:
                datastructure.setError(widget_id, err)
            else:
                datamodel = datastructure.getDataModel()
                datamodel[self.fields[0]] = value

            return not err

InitializeClass(CertificateCourseIdWidget)

widgetRegistry.register(CertificateCourseIdWidget)
###)


class CourseIdWidget(CPSStringWidget): ###(
    """ CourseId Widget"""
    meta_type = "CourseId Widget"

    def validate(self, datastructure, **kw):
        """Validate datastructure and update datamodel."""

        valid = CPSStringWidget.validate(self, datastructure, **kw)
        if not valid:
            return 0
        else:
            widget_id = self.getWidgetId()
            value = datastructure[widget_id].upper()
            err = 0
            res = self.portal_catalog(meta_type= "Course",id = value)
            if len(res) > 0:
                err = 'Course %s already exists' % (value)
            if err:
                datastructure.setError(widget_id, err)
            else:
                datamodel = datastructure.getDataModel()
                datamodel[self.fields[0]] = value

            return not err

InitializeClass(CourseIdWidget)

widgetRegistry.register(CourseIdWidget)


###)

class WAeUPReservedRoomsWidget(CPSStringWidget): ###(
    """ WAeUPReservedRooms Widget"""
    meta_type = "WAeUPReservedRooms Widget"

    def validate(self, datastructure, **kw):
        """Validate datastructure and update datamodel."""
        import re
        valid = CPSStringWidget.validate(self, datastructure, **kw)
        if not valid:
            return 0
        else:
            widget_id = self.getWidgetId()
            value = datastructure[widget_id]
            err = 0
            try:
                reserved = [(r.split('/')[0],int(r.split('/')[1])) for r in re.split(',|\.| ',value)
                                     if r]
            except (ValueError,IndexError),msg:
                err = str(msg)
            if err:
                datastructure.setError(widget_id, err)
            else:
                datamodel = datastructure.getDataModel()
                datamodel[self.fields[0]] = value
            return not err

InitializeClass(WAeUPReservedRoomsWidget)

widgetRegistry.register(WAeUPReservedRoomsWidget)


###)

class WAeUPIdWidget(CPSStringWidget): ###(
    """ WAeUPId Widget"""
    meta_type = "WAeUPId Widget"

    def validate(self, datastructure, **kw):
        """Validate datastructure and update datamodel."""

        valid = CPSStringWidget.validate(self, datastructure, **kw)
        id_pat_str = r"\S"
        inv_id_pat = compile(r"^%s$" % id_pat_str)
        if not valid:
            return 0
        else:
            portal_type_query = {'query':['Faculty',
                                          'Department',
                                          'Course',
                                          'Certificate',
                                          'CertificateCourse',]}
            widget_id = self.getWidgetId()
            value = datastructure[widget_id].upper()
            err = 0
            if len(value.split()) > 1:
                err = 'Invalid Id, Id contains space(s).'
            elif self.portal_catalog(portal_type=portal_type_query,id=value):
                err = 'An object with the Id %s already exists in the Academic Section.' % (value)
            if err:
                datastructure.setError(widget_id, err)
            else:
                datamodel = datastructure.getDataModel()
                datamodel[self.fields[0]] = value

            return not err

InitializeClass(WAeUPIdWidget)

widgetRegistry.register(WAeUPIdWidget)


###)

class StudyCourseWidget(CPSStringWidget): ###(
    """ StudyCourse Widget"""
    meta_type = "StudyCourse Widget"

    def validate(self, datastructure, **kw):
        """Validate datastructure and update datamodel."""
        #from Products.zdb import set_trace
        #set_trace()
        valid = CPSStringWidget.validate(self, datastructure, **kw)
        id_pat_str = r"\S"
        inv_id_pat = compile(r"^%s$" % id_pat_str)
        if not valid:
            return 0
        else:
            widget_id = self.getWidgetId()
            value = datastructure[widget_id].upper()
            err = 0
            if len(value.split()) > 1:
                err = 'Invalid Id, Id contains space(s).'
            elif not self.portal_catalog(portal_type='Certificate',id=value):
                err = 'No such certificate'
            if err:
                datastructure.setError(widget_id, err)
            else:
                datamodel = datastructure.getDataModel()
                datamodel[self.fields[0]] = value
            return not err

InitializeClass(StudyCourseWidget)

widgetRegistry.register(StudyCourseWidget)
###)

##class StudentIdWidget(CPSStringWidget): ###(
##    """ StudentId Widget"""
##    meta_type = "StudentId Widget"
##    digits = 8
##    digits_str = "N"*digits
##    letters = 2
##    letters_str = "L"*letters
##
##    def validate(self, datastructure, **kw):
##        """Validate datastructure and update datamodel."""
##
##        valid = CPSStringWidget.validate(self, datastructure, **kw)
##        if not valid:
##            return 0
##        else:
##            widget_id = self.getWidgetId()
##            value = datastructure[widget_id]
##            err = 0
##            if not (len(value) == self.digits + self.letters and value[:self.digits].isdigit() and value[self.digits:].isalpha()):
##                err = 'Invalid Registration Number in the format: %s%s with N = Number, L = Letter' % (self.digits_str,self.letters_str)
##            if err:
##                datastructure.setError(widget_id, err)
##            else:
##                datamodel = datastructure.getDataModel()
##                datamodel[self.fields[0]] = value
##
##            return not err
##
##InitializeClass(StudentIdWidget)
##widgetRegistry.register(StudentIdWidget)
##
#####)

class JambRegNoWidget(CPSStringWidget): ###(
    """ JambRegNo Widget"""
    meta_type = "JambRegNo Widget"
    digits = 8
    digits_str = "N"*digits
    letters = 2
    letters_str = "L"*letters
    def validate(self, datastructure, **kw):
        """Validate datastructure and update datamodel."""

        valid = CPSStringWidget.validate(self, datastructure, **kw)
        #import pdb;pdb.set_trace()
        pumeresults = self.pumeresults
        if not valid:
            return 0
        else:
            widget_id = self.getWidgetId()
            value = datastructure[widget_id].upper()
            err = 0
            if not (len(value) == self.digits + self.letters and value[:self.digits].isdigit() and value[self.digits:].isalpha()):
                err = 'Invalid number, the expected format is: %s%s with N = Number, L = Letter' % (self.digits_str,self.letters_str)
            else:
                #s = getStudentByRegNo(self,value)
                pume = pumeresults(jamb_reg_no = value)
                if len(pume) < 1:
                    err = 'No Student with JAMB RegNo %s.' % (value)
                else:
                    datastructure['pume'] = pume[0]
            if err:
                datastructure.setError(widget_id, err)
            else:
                datamodel = datastructure.getDataModel()
                datamodel[self.fields[0]] = value
            return not err

InitializeClass(JambRegNoWidget)

widgetRegistry.register(JambRegNoWidget)
###)

class MatricNoWidget(CPSStringWidget): ###(
    """ MatricNo Widget"""
    meta_type = "MatricNo Widget"
    def validate(self, datastructure, **kw):
        """Validate datastructure and update datamodel."""
        valid = CPSStringWidget.validate(self, datastructure, **kw)
        #import pdb;pdb.set_trace()
        returning = self.returning_import
        results = self.results_import
        err = 0
        if not valid:
            err = 'Invalid MatricNo %s.' % (value)
        else:
            widget_id = self.getWidgetId()
            value = datastructure[widget_id].upper()
            #s = getStudentByRegNo(self,value)
            while not err:
                res = returning(matric_no = value)
                if len(res) < 1:
                    err = 'No Student with MatricNo %s.' % (value)
                    continue
                datastructure['student'] = res[0]
                res = results(matric_no = value)
                if len(res) < 1:
                    err = 'No Results with MatricNo %s.' % (value)
                    continue
                datastructure['results'] = res
                break
            if err:
                datastructure.setError(widget_id, err)
            else:
                datamodel = datastructure.getDataModel()
                datamodel[self.fields[0]] = value
            return not err

InitializeClass(MatricNoWidget)

widgetRegistry.register(MatricNoWidget)
###)

class WAeUPMultilineResultsWidget(CPSStringWidget): ###(
    """ WAeUPMultilineResults Widget"""
    meta_type = "WAeUp Multiline Results Widget"
    _properties = CPSWidget._properties + (
        {'id': 'nr_of_lines', 'type': 'int', 'mode': 'w',
         'label': 'Nr of Lines'},
         )
    nr_of_lines = 5
    def prepare(self, datastructure, **kw): ###(
        """Prepare datastructure from datamodel."""
        datamodel = datastructure.getDataModel()
        #import pdb;pdb.set_trace()
        widget_id = self.getWidgetId()
        v = datamodel[self.fields[0]]
        if type(v) is ListType and v:
            nr_results = len(v)
        else:
            v = []
            nr_results = 0
        count = 1
        for s,g in v:
            wid = "%s%02d"% (widget_id,count)
            datastructure[wid+'_s'] = s
            datastructure[wid+'_g'] = g
            count += 1
        if nr_results < self.nr_of_lines:
            for line in range(nr_results,self.nr_of_lines):
                v.append(('',''))
                wid = "%s%02d"% (widget_id,line)
                datastructure[wid+'_s'] = ''
                datastructure[wid+'_g'] = ''
        datastructure[widget_id] = v
        datastructure[widget_id+'_s'] = ''
        datastructure[widget_id+'_g'] = ''
    ###)

    def validate(self, datastructure, **kw): ###(
        """Validate datastructure and update datamodel."""
        #import pdb;pdb.set_trace()
        widget_id = self.getWidgetId()
        err = 0
        lines = []
        for line in range(1,30):
            wid = "%s%02d"% (widget_id,line)
            if not datastructure.has_key(wid+'_s'):
                break
            lines.append((datastructure[wid+'_s'].strip(),
                         datastructure[wid+'_g'].strip()))
        
        s = datastructure[widget_id+'_s'].strip()
        g = datastructure[widget_id+'_g'].strip()
        if s and g:
            lines.append((s,g))
        active = []
        for s,g in lines:
            if g != "":
                active.append((s,g))
        if err:
            datastructure.setError(widget_id, err)
        else:
            datamodel = datastructure.getDataModel()
            datamodel[self.fields[0]] = active
        return not err
    ###)

    def render(self, mode, datastructure, **kw): ###(
        """Render in mode from datastructure."""
        render_method = 'widget_waeup_multiline_result_render'
        meth = getattr(self, render_method, None)
        if meth is None:
            raise RuntimeError("Unknown Render Method %s for widget type %s"
                               % (render_method, self.getId()))
        #import pdb;pdb.set_trace()
        datamodel = datastructure.getDataModel()
        widget_id = self.getWidgetId()
        lines = datamodel[self.fields[0]]
        if len(lines) < self.nr_of_lines:
            for line in range(len(lines),self.nr_of_lines + 1):
                lines.append(('',''))
        datastructure[widget_id] = lines
        datastructure[widget_id+'_s'] = ''
        datastructure[widget_id+'_g'] = ''
##        count = 1
##        for s,g in v:
##            wid = "%s%02d"% (widget_id,count)
##            count += 1
        return meth(mode=mode,
                    datastructure=datastructure,
                    )
    ###)


InitializeClass(WAeUPMultilineResultsWidget)
widgetRegistry.register(WAeUPMultilineResultsWidget)
###)

class WAeUPResultsWidget(CPSStringWidget): ###(
    """ WAeUPResults Widget"""
    meta_type = "WAeUp Results Widget"

    def prepare(self, datastructure, **kw): ###(
        """Prepare datastructure from datamodel."""
        datamodel = datastructure.getDataModel()
        v = datamodel[self.fields[0]]
        #import pdb;pdb.set_trace()
        widget_id = self.getWidgetId()
        datastructure[widget_id] = v
        datastructure[widget_id+'_s'] = ''
        datastructure[widget_id+'_g'] = ''
    ###)

    def validate(self, datastructure, **kw): ###(
        """Validate datastructure and update datamodel."""
        #import pdb;pdb.set_trace()
        widget_id = self.getWidgetId()
        v = datastructure[widget_id]
        err = 0
        s = datastructure[widget_id+'_s'].strip()
        g = datastructure[widget_id+'_g'].strip()
        while 1:
            if not s and g:
                err = "no subject grad for subject %s " % s
                break
            i = 0
            done = False
            for sv,gv in v:
                if sv == s:
                    done = True
                    if not g:
                        v.pop(i)
                        break
                    v[i] = (s,g)
                    break
                i += 1
            if done:
                break
            if s and g:
                v.append((s,g))
            break
        if err:
            datastructure.setError(widget_id, err)
        else:
            datamodel = datastructure.getDataModel()
            datamodel[self.fields[0]] = v
            datastructure[widget_id+'_s'] = s
            datastructure[widget_id+'_g'] = g
        return not err
    ###)

    def render(self, mode, datastructure, **kw): ###(
        """Render in mode from datastructure."""
        render_method = 'widget_waeup_result_render'
        meth = getattr(self, render_method, None)
        if meth is None:
            raise RuntimeError("Unknown Render Method %s for widget type %s"
                               % (render_method, self.getId()))
        #import pdb;pdb.set_trace()
        datamodel = datastructure.getDataModel()
        widget_id = self.getWidgetId()
        datastructure[widget_id+'_s'] = ''
        datastructure[widget_id+'_g'] = ''
        return meth(mode=mode,
                    datastructure=datastructure,
                    )
    ###)


InitializeClass(WAeUPResultsWidget)
widgetRegistry.register(WAeUPResultsWidget)
###)

class ScratchCardPin: ###(
    """the ScratchCardPin"""
    def __init__(self,prefix,batch_no,number):
        if not batch_no and not number:
            s = prefix
            if len(s) > 3:
                prefix,batch_no,number = s[:3],s[3:-10],s[-10:]
            else:
                prefix,batch_no,number = s,'',''
        self.p = prefix
        self.b = batch_no
        self.n = number

    def __str__(self):
        return "%s-%s-%s" % (self.p,self.b,self.n)

    def __repr__(self):
        return "%s%s%s" % (self.p,self.b,self.n)
###)

class ScratchcardPinWidget(CPSStringWidget): ###(
    """ ScratchcardPin Widget"""
    meta_type = "Scratchcard Pin Widget"
    _properties = CPSWidget._properties + (
        {'id': 'prefix', 'type': 'string', 'mode': 'w',
         'label': 'Prefix'},
         {'id': 'reference', 'type': 'string', 'mode': 'w',
         'label': 'Reference Field'},

        )
    prefix = ''
    reference = ''
    def prepare(self, datastructure, **kw): ###(
        """Prepare datastructure from datamodel."""
        datamodel = datastructure.getDataModel()
        v = datamodel[self.fields[0]]
        widget_id = self.getWidgetId()
        #import pdb;pdb.set_trace()
        if v and type(v) is StringType:
            try:
                p,b,n = v.split('-')
                v = ScratchCardPin(p,b,n)
            except ValueError:
                v = ScratchCardPin(v,'','')
        if v:
            p = '%s' % v.p
            b = '%s' % v.b
            n = '%s' % v.n
        else:
            p = self.prefix
            if p.startswith('@'):
                p = getattr(self,self.prefix[1:])()
            b = n = ''
            v = ScratchCardPin(p,b,n)
        datastructure[widget_id] = v
        datastructure[widget_id+'_p'] = p
        datastructure[widget_id+'_b'] = b
        datastructure[widget_id+'_n'] = n

###)

    def validate(self, datastructure, **kw):
        """Validate datastructure and update datamodel."""
        s_logger = logging.getLogger('Pin.Validate')
        widget_id = self.getWidgetId()
        v = datastructure[widget_id]
        #import pdb;pdb.set_trace()
        err = 0
        prefix= self.prefix
        if prefix.startswith('@'):
            prefix= getattr(self,self.prefix[1:])()
        b = datastructure[widget_id+'_b'].strip()
        n = datastructure[widget_id+'_n'].strip()
        pins = self.portal_pins
        pin = "%(prefix)s%(b)s%(n)s" % vars()
        do = 1
        s_id = str(self.portal_membership.getAuthenticatedMember())
        if self.reference == "":
            ref = s_id
        else:
            ref = datastructure[self.reference]
            if datastructure.errors:
                do = 0
                datastructure.setError(widget_id, 'Errors in other data, PIN neither checked nor used.')
                s_logger.info('"%s", "%s","entered wrong data together with pin", "%s"' % (s_id,ref,pin))
        while do:
            ok = pins.searchAndSetRecord(pin,ref,prefix)
            if ok < -2 or ok > 2:
                err = 'Unknown error, please report!'
                s_logger.info('"%s","%s", "caused unknown error with pin", "%s"' % (s_id,ref,pin))
                break
            elif ok == -2:
                err = 'Service already activated but with a different PIN.'
                s_logger.info('"%s","%s", "repeatedly activated service but with different pin", "%s"' % (s_id,ref,pin))
                break
            elif ok == -1:
                err = 'Invalid PIN'
                s_logger.info('"%s","%s", "entered invalid pin", "%s"' % (s_id,ref,pin))
                break
            if ok == 0:
                err = 'PIN already used.'
                s_logger.info('"%s","%s", "entered used pin", "%s"' % (s_id,ref,pin))
                break
            if ok >= 1:
                #import pdb;pdb.set_trace()
                if self.isStudent():
                    if self.reference == "jamb_reg_no":
                        err = "You are already logged in."
                        s_logger.info('"%s","%s", "checked admission though logged in", "%s"' % (s_id,ref,pin))
                        break
                    if ok == 1:
                        s_logger.info('"%s","%s", "successfully used pin", "%s"' % (s_id,ref,pin))
                    else:
                        s_logger.info('"%s","%s", "repeatedly used pin", "%s"' % (s_id,ref,pin))
                    break
                else:
                    student = getStudentByRegNo(self,ref)
                    s_logger.info('"%s","%s","successfully used pin","%s"' % (s_id,ref,pin))
                if student is None:
                    err = "Student not found."
                    s_logger.info('"%s","not found in admission list"' % (ref))
                    break
                s_id = student.getId()
                if ok == 2:
                    if self.reference == "jamb_reg_no":
                        if hasattr(self.portal_directories.students,s_id):
                            err = "Please login with your Student Id %s and 10-digit PIN." % s_id
                            s_logger.info('"%s","%s", "repeatedly checked admission with pin", "%s"' % (s_id,ref,pin))
                            break
                        else:
                            s_logger.info('"%s","%s","(non-member) repeatedly checked admission with pin", "%s"' % (s_id,ref,pin))
                    else:
                        err = "Unknown error" % s_id
                        s_logger.info('"%s","%s", "repeatedly activated service with pin", "%s"' % (s_id,ref,pin))
                        break
                try:
                    student.getContent().makeStudentMember(s_id,password=pin[4:])
                    s_logger.info('"%s","%s", "has been created using pin", "%s"' % (s_id,ref,pin))
                except:
                    err = "Please login with your Student Id %s and 10-digit PIN." % s_id
                    s_logger.info('"%s","%s", "could not be made a member with pin", "%s"' % (s_id,ref,pin))
                    break
            break
        if err:
            datastructure.setError(widget_id, err)
        else:
            datamodel = datastructure.getDataModel()
            datamodel[self.fields[0]] = ScratchCardPin(prefix,b,n)
            datastructure[widget_id] = ScratchCardPin(prefix,b,n)
            datastructure[widget_id+'_p'] = prefix
            datastructure[widget_id+'_b'] = b
            datastructure[widget_id+'_n'] = n
            datastructure['s_id'] = s_id
        return not err

    def render(self, mode, datastructure, **kw): ###(
        """Render in mode from datastructure."""
        render_method = 'widget_scratch_card_pin_render'
        meth = getattr(self, render_method, None)
        if meth is None:
            raise RuntimeError("Unknown Render Method %s for widget type %s"
                               % (render_method, self.getId()))

        # XXX AT: datastructure has to be set again here, in case we're in edit
        # or create mode, because a default value has to be provided.
        #import pdb;pdb.set_trace()
        datamodel = datastructure.getDataModel()
        v = datamodel[self.fields[0]]
        if v and type(v) is StringType:
            try:
                p,b,n = v.split('-')
                v = ScratchCardPin(p,b,n)
            except ValueError:
                v = ScratchCardPin(self.prefix,'1',v)
                pass
        if v:
            prefix= '%s' % v.p
            b = '%s' % v.b
            n = '%s' % v.n
        else:
            prefix= self.prefix
            if prefix.startswith('@'):
                prefix= getattr(self,self.prefix[1:])()
            b = n = ''
            v = ScratchCardPin(prefix,b,n)
        widget_id = self.getWidgetId()
        datastructure[widget_id] = v
        datastructure[widget_id+'_p'] = prefix
        datastructure[widget_id+'_b'] = b
        datastructure[widget_id+'_n'] = n
        return meth(mode=mode,
                    datastructure=datastructure,
                    )
    ###)


InitializeClass(ScratchcardPinWidget)
widgetRegistry.register(ScratchcardPinWidget)


###)

class WAeUPImageWidget(CPSImageWidget):
    """Photo widget."""
    meta_type = 'WAeUP Image Widget'

    def render(self, mode, datastructure, **kw):
        render_method = 'widget_waeup_image_render'
        meth = getattr(self, render_method, None)
        if meth is None:
            raise RuntimeError("Unknown Render Method %s for widget type %s"
                               % (render_method, self.getId()))
        img_info = self.getImageInfo(datastructure)
        return meth(mode=mode, datastructure=datastructure, **img_info)



InitializeClass(WAeUPImageWidget)

widgetRegistry.register(WAeUPImageWidget)


###########