source: WAeUP_SRP/base/Widgets.py @ 2627

Last change on this file since 2627 was 2604, checked in by Henrik Bettermann, 17 years ago

error messages slightly improved
  • Property svn:keywords set to Id
File size: 77.7 KB
Line 
1#-*- mode: python; mode: fold -*-
2# $Id: Widgets.py 2604 2007-11-09 09:06:31Z henrik $
3from cgi import escape
4from types import *
5import Globals
6from Globals import InitializeClass
7from ZPublisher.HTTPRequest import FileUpload
8from OFS.Image import cookId, File, Image
9##from Products.CPSSchemas.Widget import CPSWidgetType
10from Products.CMFCore.utils import getToolByName
11from Products.CPSSchemas.BasicWidgets import CPSBooleanWidget, CPSWidget, CPSStringWidget, CPSEmailWidget,CPSImageWidget
12from Products.CPSSchemas.BasicWidgets import CPSFileWidget
13from Products.CPSSchemas.BasicWidgets import renderHtmlTag,CPSSelectWidget, CPSStringWidget
14from Products.CPSSchemas.ExtendedWidgets import CPSDateTimeWidget
15from Products.CPSSchemas.Widget import widgetRegistry
16from Products.CPSUtil.file import PersistableFileUpload
17from Products.CPSUtil.id import generateFileName
18##from Products.CPSSchemas.WidgetTypesTool import WidgetTypeRegistry
19from DateTime.DateTime import DateTime
20from AccessControl import getSecurityManager
21from Products.WAeUP_SRP.Students import getStudentByRegNo
22from Products.WAeUP_SRP.Academics import makeCertificateCode
23#from Products.ExtFile.ExtFile import ExtFile
24import logging,os,re
25import operator
26p_home = Globals.package_home(globals())
27i_home = Globals.INSTANCE_HOME
28
29#from zLOG import LOG, DEBUG
30
31class CPSSelectWidgetForRecord(CPSSelectWidget): ###(
32    """Select widget. with record names"""
33    meta_type = 'Select Widget for Records'
34
35    field_types = ('CPS String Field',)
36    field_inits = ({'is_searchabletext': 1,},)
37
38    _properties = CPSSelectWidget._properties + (
39        {'id': 'record_id', 'type': 'string', 'mode': 'w',
40         'label': 'Record Id', 'is_required' : 1},
41        )
42
43    def render(self, mode, datastructure, **kw):
44        """Render in mode from datastructure."""
45        value = datastructure[self.getWidgetId()]
46        vocabulary = self._getVocabulary(datastructure)
47        portal = getToolByName(self, 'portal_url').getPortalObject()
48        cpsmcat = portal.translation_service
49        if mode == 'view':
50            if self.translated:
51                return escape(cpsmcat(vocabulary.getMsgid(value, value)).encode('ISO-8859-15', 'ignore'))
52            else:
53                return escape(vocabulary.get(value, value))
54        elif mode == 'edit':
55            html_widget_id = self.getHtmlWidgetId()
56            res = renderHtmlTag('select',
57                                name='%s.%s:records' % (self.record_id,html_widget_id),
58                                id=html_widget_id)
59            in_selection = 0
60            for k, v in vocabulary.items():
61                if self.translated:
62                    kw = {'value': k,
63                          'contents': cpsmcat(vocabulary.getMsgid(k, k)).encode('ISO-8859-15', 'ignore')
64                          }
65                else:
66                    kw = {'value': k, 'contents': v}
67                if value == k:
68                    kw['selected'] = 'selected'
69                    in_selection = 1
70                res += renderHtmlTag('option', **kw)
71            if value and not in_selection:
72                kw = {'value': value, 'contents': 'invalid: '+ str(value),
73                      'selected': 'selected'}
74                res += renderHtmlTag('option', **kw)
75            res += '</select>'
76            return res
77        raise RuntimeError('unknown mode %s' % mode)
78
79InitializeClass(CPSSelectWidgetForRecord)
80
81widgetRegistry.register(CPSSelectWidgetForRecord)
82
83###)
84
85class CPSStringWidgetForRecord(CPSStringWidget): ###(
86    """String widget."""
87    meta_type = 'String Widget For Record'
88
89    field_types = ('CPS String Field',)
90    field_inits = ({'is_searchabletext': 1,},)
91    _properties = CPSStringWidget._properties + (
92        {'id': 'record_id', 'type': 'string', 'mode': 'w',
93         'label': 'Record Id', 'is_required' : 1},
94        )
95
96    def render(self, mode, datastructure, **kw):
97        """Render in mode from datastructure."""
98        value = datastructure[self.getWidgetId()]
99        if mode == 'view':
100            return escape(value)
101        elif mode == 'edit':
102            # XXX TODO should use an other name than kw !
103            # XXX change this everywhere
104            html_widget_id = self.getHtmlWidgetId()
105            kw = {'type': 'text',
106                  'id'  : html_widget_id,
107                  'name': '%s.%s:records' % (self.record_id,html_widget_id),
108                  'value': escape(value),
109                  'size': self.display_width,
110                  }
111            if self.size_max:
112                kw['maxlength'] = self.size_max
113            return renderHtmlTag('input', **kw)
114        raise RuntimeError('unknown mode %s' % mode)
115
116InitializeClass(CPSStringWidgetForRecord)
117
118widgetRegistry.register(CPSStringWidgetForRecord)
119
120###)
121
122class CertificateCourseIdWidget(CPSStringWidget): ###(
123    """ CertificateCourseId Widget"""
124    meta_type = "CertificateCourseId Widget"
125
126    def validate(self, datastructure, **kw):
127        """Validate datastructure and update datamodel."""
128
129        valid = CPSStringWidget.validate(self, datastructure, **kw)
130        if not valid:
131            return 0
132        else:
133            widget_id = self.getWidgetId()
134            value = datastructure[widget_id].upper()
135            err = 0
136            c_ids = [c.id for c in self.portal_catalog({'meta_type': "Course"})]
137            if hasattr(self.aq_parent,value):
138                err = 'Course already exists'
139            elif value not in c_ids:
140                err = 'Course does not exist'
141            if err:
142                datastructure.setError(widget_id, err)
143            else:
144                datamodel = datastructure.getDataModel()
145                datamodel[self.fields[0]] = value
146
147            return not err
148
149InitializeClass(CertificateCourseIdWidget)
150
151widgetRegistry.register(CertificateCourseIdWidget)
152###)
153
154class CourseIdWidget(CPSStringWidget): ###(
155    """ CourseId Widget"""
156    meta_type = "CourseId Widget"
157
158    def validate(self, datastructure, **kw):
159        """Validate datastructure and update datamodel."""
160
161        valid = CPSStringWidget.validate(self, datastructure, **kw)
162        if not valid:
163            return 0
164        else:
165            widget_id = self.getWidgetId()
166            value = datastructure[widget_id].upper()
167            err = 0
168            res = self.courses_catalog(code = value)
169            if len(res) > 0:
170                err = 'Course already exists'
171            if err:
172                datastructure.setError(widget_id, err)
173            else:
174                datamodel = datastructure.getDataModel()
175                datamodel[self.fields[0]] = value
176
177            return not err
178
179InitializeClass(CourseIdWidget)
180
181widgetRegistry.register(CourseIdWidget)
182
183
184###)
185
186class WAeUPStudyModeWidget(CPSSelectWidget): ###(
187    """WAeUP StudyMode Widget."""
188    meta_type = 'WAeUP StudyMode Widget'
189    vocabulary = 'entry_modes'
190
191    def _getStudyModes(self):
192        voc = getattr(self.portal_vocabularies,self.vocabulary)
193        d = {}
194        for k,v in voc.items():
195            d[k] = v
196        return d
197
198    def validate(self, datastructure, **kw):
199        """Validate datastructure and update datamodel."""
200        widget_id = self.getWidgetId()
201        value = datastructure[widget_id]
202        try:
203            v = str(value)
204        except ValueError:
205            datastructure.setError(widget_id, "'%s' not a valid session key" % value)
206            return 0
207        studymodes = self._getStudyModes()
208        if not value:
209            v = value = 'ume_ft'
210        #import pdb;pdb.set_trace()
211        if not studymodes.has_key(value):
212            datastructure.setError(widget_id, "'%s' not a valid session key" % v)
213            return 0
214        if self.is_required and not len(v):
215            datastructure.setError(widget_id, "session key required")
216            return 0
217
218        datamodel = datastructure.getDataModel()
219        datamodel[self.fields[0]] = v
220        return 1
221
222    def render(self, mode, datastructure, **kw):
223        """Render in mode from datastructure."""
224        value = datastructure[self.getWidgetId()]
225        studymodes = self._getStudyModes()
226        if mode == 'view':
227            return escape(studymodes.get(value, value))
228        elif mode == 'edit':
229            html_widget_id = self.getHtmlWidgetId()
230            res = renderHtmlTag('select', name=html_widget_id, id=html_widget_id)
231            in_selection = 0
232            vocabulary_items = studymodes.items()
233            if self.sorted:
234                vocabulary_items.sort(key=operator.itemgetter(1))
235            for k, v in vocabulary_items:
236                kw = {'value': k, 'contents': v}
237                if value == k:
238                    kw['selected'] = 'selected'
239                    in_selection = 1
240                res += renderHtmlTag('option', **kw)
241            if value and not in_selection:
242                kw = {'value': value, 'contents': 'invalid: '+ str(value),
243                      'selected': 'selected'}
244                res += renderHtmlTag('option', **kw)
245            res += '</select>'
246            return res
247        raise RuntimeError('unknown mode %s' % mode)
248
249InitializeClass(WAeUPStudyModeWidget)
250
251widgetRegistry.register(WAeUPStudyModeWidget)
252
253###)
254
255class WAeUPSessionWidget(CPSSelectWidget): ###(
256    """WAeUP Session Widget."""
257    meta_type = 'WAeUP Session Widget'
258
259    def _getSessions(self):
260        current_year = DateTime().year()
261        d = {'-1': 'N/A'}
262        for y in range(current_year - 9,current_year + 1):
263            d['%s' % str(y)[-2:]] = '%4d/%4d' % (y,y+1)
264        return d
265
266    def validate(self, datastructure, **kw):
267        """Validate datastructure and update datamodel."""
268        widget_id = self.getWidgetId()
269        value = datastructure[widget_id]
270        try:
271            v = str(value)
272        except ValueError:
273            datastructure.setError(widget_id, "'%s' not a valid session key" % value)
274            return 0
275
276        if len(v) == 1:
277            v = value = '0%c' % v
278        elif not value:
279            v = value = self.getSessionId()[0]
280        #import pdb;pdb.set_trace()
281        sessions = self._getSessions()
282        if not sessions.has_key(value):
283            datastructure.setError(widget_id, "'%s' not a valid session key" % v)
284            return 0
285        if self.is_required and not len(v):
286            datastructure.setError(widget_id, "session key required")
287            return 0
288
289        datamodel = datastructure.getDataModel()
290        datamodel[self.fields[0]] = v
291        return 1
292
293    def render(self, mode, datastructure, **kw):
294        """Render in mode from datastructure."""
295        value = datastructure[self.getWidgetId()]
296        sessions = self._getSessions()
297        if mode == 'view':
298            return escape(sessions.get(value, value))
299        elif mode == 'edit':
300            html_widget_id = self.getHtmlWidgetId()
301            res = renderHtmlTag('select', name=html_widget_id, id=html_widget_id)
302            in_selection = 0
303            vocabulary_items = sessions.items()
304            if self.sorted:
305                vocabulary_items.sort(key=operator.itemgetter(0))
306            for k, v in vocabulary_items:
307                kw = {'value': k, 'contents': v}
308                if value == k:
309                    kw['selected'] = 'selected'
310                    in_selection = 1
311                res += renderHtmlTag('option', **kw)
312            if value and not in_selection:
313                kw = {'value': value, 'contents': 'invalid: '+ str(value),
314                      'selected': 'selected'}
315                res += renderHtmlTag('option', **kw)
316            res += '</select>'
317            return res
318        raise RuntimeError('unknown mode %s' % mode)
319
320InitializeClass(WAeUPSessionWidget)
321
322widgetRegistry.register(WAeUPSessionWidget)
323
324###)
325
326class WAeUPLevelWidget(CPSSelectWidget): ###(
327    """WAeUP Level Widget."""
328    meta_type = 'WAeUP Level Widget'
329
330    def _getLevels(self):
331        d = {'':'N/A','000':'Pre-Studies'}
332        for y in range(100,800,100):
333            d['%s' % str(y)] = 'Year %1d (%3d Level)' % (y/100,y)
334        return d
335
336    def validate(self, datastructure, **kw):
337        """Validate datastructure and update datamodel."""
338        widget_id = self.getWidgetId()
339        value = datastructure[widget_id]
340        try:
341            v = str(value)
342        except ValueError:
343            datastructure.setError(widget_id, "'%s' not a valid level key" % value)
344            return 0
345
346        if not value:
347            v = value = '100'
348        #import pdb;pdb.set_trace()
349        levels = self._getLevels()
350        if not levels.has_key(value):
351            datastructure.setError(widget_id, "'%s' not a valid level" % v)
352            return 0
353        if self.is_required and not len(v):
354            datastructure.setError(widget_id, "level key required")
355            return 0
356
357        datamodel = datastructure.getDataModel()
358        datamodel[self.fields[0]] = v
359        return 1
360
361    def render(self, mode, datastructure, **kw):
362        """Render in mode from datastructure."""
363        value = datastructure[self.getWidgetId()]
364        levels = self._getLevels()
365        if mode == 'view':
366            return escape(levels.get(value, value))
367        elif mode == 'edit':
368            html_widget_id = self.getHtmlWidgetId()
369            res = renderHtmlTag('select', name=html_widget_id, id=html_widget_id)
370            in_selection = 0
371            vocabulary_items = levels.items()
372            if self.sorted:
373                vocabulary_items.sort(key=operator.itemgetter(0))
374            for k, v in vocabulary_items:
375                kw = {'value': k, 'contents': v}
376                if value == k:
377                    kw['selected'] = 'selected'
378                    in_selection = 1
379                res += renderHtmlTag('option', **kw)
380            if value and not in_selection:
381                kw = {'value': value, 'contents': 'invalid: '+ str(value),
382                      'selected': 'selected'}
383                res += renderHtmlTag('option', **kw)
384            res += '</select>'
385            return res
386        raise RuntimeError('unknown mode %s' % mode)
387
388InitializeClass(WAeUPLevelWidget)
389
390widgetRegistry.register(WAeUPLevelWidget)
391
392###)
393
394class WAeUPVerdictWidget(CPSSelectWidget): ###(
395    """WAeUP Verdict Widget."""
396    meta_type = 'WAeUP Verdict Widget'
397
398    # XXX make a menu for the vocabulary.
399    vocabulary = 'verdicts'
400
401    # Associating the widget label with an input area to improve the widget
402    # accessibility.
403    has_input_area = True
404
405    def _getVerdicts(self,datastructure):
406        voc = getattr(self.portal_vocabularies,self.vocabulary)
407        d = {}
408        for k,v in voc.items():
409            d[k] = v
410        return d
411
412    def validate(self, datastructure, **kw):
413        """Validate datastructure and update datamodel."""
414        widget_id = self.getWidgetId()
415        value = datastructure[widget_id]
416        try:
417            v = str(value)
418        except ValueError:
419            datastructure.setError(widget_id, "'%s' not a valid verdict key" % value)
420            return 0
421        #import pdb;pdb.set_trace()
422        verdicts = self._getVerdicts(datastructure)
423        if not value:
424            v = value = verdicts['N/A']
425        if not verdicts.has_key(value):
426            datastructure.setError(widget_id, "'%s' not a valid verdict key" % v)
427            return 0
428        if self.is_required and not len(v):
429            datastructure.setError(widget_id, "verdict required")
430            return 0
431
432        datamodel = datastructure.getDataModel()
433        datamodel[self.fields[0]] = v
434        return 1
435
436    def render(self, mode, datastructure, **kw):
437        """Render in mode from datastructure."""
438        value = datastructure[self.getWidgetId()]
439        verdicts = self._getVerdicts(datastructure)
440        if mode == 'view':
441            return escape(verdicts.get(value, value))
442        elif mode == 'edit':
443            html_widget_id = self.getHtmlWidgetId()
444            res = renderHtmlTag('select', name=html_widget_id, id=html_widget_id)
445            in_selection = 0
446            vocabulary_items = verdicts.items()
447            if self.sorted:
448                vocabulary_items.sort(key=operator.itemgetter(1))
449            for k, v in vocabulary_items:
450                kw = {'value': k, 'contents': v}
451                if value == k:
452                    kw['selected'] = 'selected'
453                    in_selection = 1
454                res += renderHtmlTag('option', **kw)
455            if value and not in_selection:
456                kw = {'value': value, 'contents': 'invalid: '+ str(value),
457                      'selected': 'selected'}
458                res += renderHtmlTag('option', **kw)
459            res += '</select>'
460            return res
461        raise RuntimeError('unknown mode %s' % mode)
462
463InitializeClass(WAeUPVerdictWidget)
464
465widgetRegistry.register(WAeUPVerdictWidget)
466
467###)
468
469class WAeUPLGAWidget(CPSSelectWidget): ###(
470    """WAeUP LGA Widget."""
471    meta_type = 'WAeUP LGA Widget'
472    _properties = CPSSelectWidget._properties + (
473        {'id': 'state_field', 'type': 'string', 'mode': 'w',
474         'label': 'Name of the state field'},
475         {'id': 'lga_field', 'type': 'string', 'mode': 'w',
476         'label': 'Name of the lga field (without state)'},
477         )
478    state_field = "state"
479    lga_field = "lga"
480
481    # XXX make a menu for the vocabulary.
482    vocabulary = 'local_gov_areas'
483
484    # Associating the widget label with an input area to improve the widget
485    # accessibility.
486    has_input_area = True
487
488    def _getLGAs(self):
489        voc = getattr(self.portal_vocabularies,self.vocabulary)
490        if getattr(self,'_v_states',None) is not None and\
491           getattr(self,'_v_lgas',None) is not None and\
492           getattr(self,'_v_d',None) is not None:
493            return (_v_d,_v_states,_v_lgas)
494        states = []
495        lgas  = []
496        d = {}
497        for k,v in voc.items():
498            parts = v.split(' / ')
499            if len(parts) == 1:
500                state = parts[0].lower()
501                lga = ""
502            elif len(parts) == 2:
503                state = parts[0].lower()
504                lga = "_".join(re.split('\W+',parts[1].lower()))
505            else:
506                continue
507            if state not in states:
508                states.append(state)
509            if lga not in lgas:
510                lgas.append(lga)
511            d[k] = v
512        self._v_d = d
513        self._v_state = state
514        self._v_lga = lga
515        return (d,states,lgas)
516
517    def validate(self, datastructure, **kw):
518        """Validate datastructure and update datamodel."""
519        widget_id = self.getWidgetId()
520        value = datastructure[widget_id]
521        #import pdb;pdb.set_trace()
522        try:
523            v = str(value)
524        except ValueError:
525            datastructure.setError(widget_id, "'%s' not a valid lga key" % value)
526            return 0
527        v = v.lower()
528        combined,states,lgas = self._getLGAs()
529        datamodel = datastructure.getDataModel()
530        if not self.state_field and not self.lga_field:
531            if len(v) == 0 and self.is_required:
532                datastructure.setError(widget_id, "%s required" % widget_id)
533                return 0
534            elif v not in combined.keys():
535                datastructure.setError(widget_id, "'%s' not a valid lga key" % v)
536                return 0
537            datamodel[self.fields[0]] = v
538        else:
539            state = datastructure.get(self.state_field,"").lower()
540            lga = datastructure.get(self.lga_field,"").lower()
541            if widget_id == self.state_field:
542                if state not in states:
543                    datastructure.setError(widget_id, "'%s' not a valid state" % v)
544                    return 0
545            elif widget_id == self.lga_field:
546                if lga not in lgas:
547                    datastructure.setError(widget_id, "'%s' not a valid lga" % v)
548                    return 0
549            if len(state) == 0 or len(lga) == 0:
550                datastructure.setError(widget_id, "state AND lga must be given")
551                return 0
552            datamodel[self.fields[0]] =   state + "_" + lga
553        return 1
554
555    def render(self, mode, datastructure, **kw):
556        """Render in mode from datastructure."""
557        w_id = self
558        value = datastructure[self.getWidgetId()]
559        lgas,x,y = self._getLGAs(datastructure)
560        if mode == 'view':
561            return escape(lgas.get(value, value))
562        elif mode == 'edit':
563            html_widget_id = self.getHtmlWidgetId()
564            res = renderHtmlTag('select', name=html_widget_id, id=html_widget_id)
565            in_selection = 0
566            vocabulary_items = lgas.items()
567            # if self.sorted:
568            #     vocabulary_items.sort(key=operator.itemgetter(1))
569            for k, v in vocabulary_items:
570                kw = {'value': k, 'contents': v}
571                if value == k:
572                    kw['selected'] = 'selected'
573                    in_selection = 1
574                res += renderHtmlTag('option', **kw)
575            if value and not in_selection:
576                kw = {'value': value, 'contents': 'invalid: '+ str(value),
577                      'selected': 'selected'}
578                res += renderHtmlTag('option', **kw)
579            res += '</select>'
580            return res
581        raise RuntimeError('unknown mode %s' % mode)
582
583InitializeClass(WAeUPLGAWidget)
584
585widgetRegistry.register(WAeUPLGAWidget)
586
587###)
588
589class WAeUPReservedRoomsWidget(CPSStringWidget): ###(
590    """ WAeUPReservedRooms Widget"""
591    meta_type = "WAeUPReservedRooms Widget"
592
593    def validate(self, datastructure, **kw):
594        """Validate datastructure and update datamodel."""
595        import re
596        valid = CPSStringWidget.validate(self, datastructure, **kw)
597        if not valid:
598            return 0
599        else:
600            widget_id = self.getWidgetId()
601            value = datastructure[widget_id]
602            err = 0
603            try:
604                reserved = [(r.split('/')[0],int(r.split('/')[1])) for r in re.split(',|\.| ',value)
605                                     if r]
606            except (ValueError,IndexError),msg:
607                err = str(msg)
608            if err:
609                datastructure.setError(widget_id, err)
610            else:
611                datamodel = datastructure.getDataModel()
612                datamodel[self.fields[0]] = value
613            return not err
614
615InitializeClass(WAeUPReservedRoomsWidget)
616
617widgetRegistry.register(WAeUPReservedRoomsWidget)
618###)
619
620class WAeUPIdWidget(CPSStringWidget): ###(
621    """ WAeUPId Widget"""
622    meta_type = "WAeUPId Widget"
623
624    def validate(self, datastructure, **kw):
625        """Validate datastructure and update datamodel."""
626        mode = kw.get('mode','create')
627        valid = CPSStringWidget.validate(self, datastructure, **kw)
628        id_pat_str = r"\S"
629        inv_id_pat = re.compile(r"^%s$" % id_pat_str)
630        if not valid:
631            return 0
632        else:
633            portal_type_query = {'query':['Faculty',
634                                          'Department',
635                                          'Course',
636                                          'Certificate',
637                                          'CertificateCourse',]}
638            widget_id = self.getWidgetId()
639            value = datastructure[widget_id]  #.upper()  is not necessary here because it's also done in waeup_document_create_do
640            err = 0
641            mapping = {}
642            if len(value.split()) > 1:
643                err = 'Invalid Id, Id contains space(s).'
644            elif mode == "create" and\
645                          self.portal_catalog(portal_type=portal_type_query,id=value):
646                brain = self.portal_catalog(portal_type=portal_type_query,id=value)[0]
647                err = 'An ${portal_type} object with the Id ${id} already exists at ${path}.'
648                mapping = {'portal_type': brain.portal_type,
649                           'id': value,
650                           'path': brain.getPath(),
651                           }
652            if err:
653                datastructure.setError(widget_id, err, mapping)
654            else:
655                datamodel = datastructure.getDataModel()
656                datamodel[self.fields[0]] = value
657
658            return not err
659
660InitializeClass(WAeUPIdWidget)
661
662widgetRegistry.register(WAeUPIdWidget)
663
664
665###)
666
667class StudyCourseWidget(CPSStringWidget): ###(
668    """ StudyCourse Widget"""
669    meta_type = "StudyCourse Widget"
670
671    def validate(self, datastructure, **kw):
672        """Validate datastructure and update datamodel."""
673        #from Products.zdb import set_trace
674        #set_trace()
675##        valid = CPSStringWidget.validate(self, datastructure, **kw)
676##        if not valid:
677##            return 0
678        widget_id = self.getWidgetId()
679        value = makeCertificateCode(datastructure[widget_id]).upper()
680        id_pat_str = r"\S"
681        inv_id_pat = re.compile(r"^%s$" % id_pat_str)
682        err = 0
683        if len(value.split()) > 1:
684            err = 'Invalid Id, Id contains space(s).'
685        elif not self.portal_catalog(portal_type='Certificate',id=value):
686            err = 'No such certificate'
687        if err:
688            datastructure.setError(widget_id, err)
689        else:
690            datamodel = datastructure.getDataModel()
691            datamodel[self.fields[0]] = value
692        return not err
693
694InitializeClass(StudyCourseWidget)
695
696widgetRegistry.register(StudyCourseWidget)
697###)
698
699class JambRegNoWidget(CPSStringWidget): ###(
700    """ JambRegNo Widget"""
701    meta_type = "JambRegNo Widget"
702    _properties = CPSStringWidget._properties + (
703        {'id': 'catalog', 'type': 'string', 'mode': 'w',
704         'label': 'Catalog to search'},
705         {'id': 'reference', 'type': 'string', 'mode': 'w',
706         'label': 'Reference Field'},
707         )
708    #catalog = "portal_pumeresults" #the catalog to search for jamb_reg_no
709    reference = ""
710    digits = 8
711    digits_str = "N"*digits
712    letters = 2
713    letters_str = "L"*letters
714    def validate(self, datastructure, **kw):
715        """Validate datastructure and update datamodel."""
716        valid = CPSStringWidget.validate(self, datastructure, **kw)
717        reg_no_catalog = getattr(self,self.catalog)
718        widget_id = self.getWidgetId()
719        value = datastructure[widget_id].upper()
720        err = 0
721        #import pdb;pdb.set_trace()
722        if kw.has_key('mode'):
723            mode = kw['mode']
724        else:
725            mode = "edit"
726        if not valid:
727            err = 'Invalid registration number'
728        elif self.reference == '':
729            #s = getStudentByRegNo(self,value)
730            pume = reg_no_catalog(jamb_reg_no = value)
731            if len(pume) < 1:
732                err = 'No student record with this registration number'
733            else:
734                datastructure['pume'] = pume[0]
735        elif mode == 'add':
736            pass
737        elif self.reference != '' and self.catalog == "applicants_catalog":
738            res = reg_no_catalog.searchResults({"%s" % self.reference: value})
739            if len(res) != 1:
740                err = 'No record with this registration number'
741            else:
742                datastructure['record'] = res[0]
743        else:
744            record = datastructure[self.reference]
745            #jamb_reg_no = getattr(record,widget_id)
746            jamb_reg_no = record.Entryregno
747            if jamb_reg_no != value:
748                err = 'Registration number does not match.'
749        if err:
750            datastructure.setError(widget_id, err)
751        else:
752            datamodel = datastructure.getDataModel()
753            datamodel[self.fields[0]] = value
754        return not err
755
756InitializeClass(JambRegNoWidget)
757
758widgetRegistry.register(JambRegNoWidget)
759###)
760
761class SecretWidget(CPSStringWidget): ###(
762    """ Secret Widget"""
763    meta_type = "Secret Widget"
764    _properties = CPSStringWidget._properties + (
765        {'id': 'reference', 'type': 'string', 'mode': 'w',
766         'label': 'Reference Record'},
767         {'id': 'check_fields', 'type': 'tokens', 'mode': 'w',
768         'label': 'Fields to check'},
769         )
770    reference = "student"
771    matric_no_catalog = 'returning_import'
772    check_fields = ("Firstname", "Middlename","Lastname")
773    def validate(self, datastructure, **kw):
774        """Validate datastructure and update datamodel."""
775        logger = logging.getLogger('Widgets.SecretWidget.validate')
776        valid = CPSStringWidget.validate(self, datastructure, **kw)
777        widget_id = self.getWidgetId()
778        value = datastructure[widget_id].upper()
779        err = 0
780        record = datastructure.get(self.reference,None)
781        #import pdb;pdb.set_trace()
782        if not valid or len(value) < 2:
783            err = 'Invalid string'
784        elif not record or datastructure.errors:
785            err = 0
786        else:
787            found = False
788            cvs = []
789            for field in self.check_fields:
790                cv = getattr(record,field).upper()
791                if len(cv.split()) > 1:
792                    for splited in cv.split():
793                        cvs.append(splited.strip())
794                else:
795                    cvs.append(cv)
796            for cv in cvs:
797                if cv  == value.upper():
798                    found = True
799                    break
800            matric_no = record.matric_no
801            name = " ".join(cvs)
802            if not found:
803                logger.info('%(matric_no)s did not find %(value)s in %(name)s' % vars())
804                err = 'No name does match.'
805            else:
806                logger.info('%(matric_no)s found %(value)s in %(name)s' % vars())
807        if err:
808            datastructure.setError(widget_id, err)
809        else:
810            datamodel = datastructure.getDataModel()
811            datamodel[self.fields[0]] = value
812        return not err
813
814InitializeClass(SecretWidget)
815
816widgetRegistry.register(SecretWidget)
817###)
818
819class WAeUPSexWidget(CPSBooleanWidget): ###(
820    """WAeUP sex widget."""
821    meta_type = 'WAeUP Sex Widget'
822
823    def validate(self, datastructure, **kw):
824        """Validate datastructure and update datamodel."""
825        value = datastructure[self.getWidgetId()]
826
827        if self.render_format not in self.render_formats:
828            self.render_format = 'select'
829
830        female = value in ('F','f','Female','female',"True",True)
831        male = value in ('M','m','Male','male','False',False)
832        if not female and not male:
833            datastructure.setError(self.getWidgetId(),
834                                   "invalid sex %s" % value)
835            return 0
836        elif female:
837            v = True
838        else:
839            v = False
840        datamodel = datastructure.getDataModel()
841        datamodel[self.fields[0]] = v
842        return 1
843
844InitializeClass(WAeUPSexWidget)
845
846widgetRegistry.register(WAeUPSexWidget)
847
848###)
849
850class MatricNoWidget(CPSStringWidget): ###(
851    """ MatricNo Widget"""
852    meta_type = "MatricNo Widget"
853
854    _properties = CPSStringWidget._properties + (
855        {'id': 'matric_no_catalog', 'type': 'string', 'mode': 'w',
856         'label': 'Catalog to search for MatricNo'},
857        { 'id': 'results_catalog', 'type': 'string', 'mode': 'w',
858         'label': 'Results Catalog'},
859         )
860    matric_no_catalog = "" #the catalog to search for matric_no
861    results_catalog = "results_import" #results catalog
862
863    def validate(self, datastructure, **kw):
864        """Validate datastructure and update datamodel."""
865        #import pdb;pdb.set_trace()
866        valid = CPSStringWidget.validate(self, datastructure, **kw)
867        logger = logging.getLogger('Widgets.MatricNoWidget.validate')
868        returning = getattr(self,self.matric_no_catalog)
869        results = getattr(self,self.results_catalog,None)
870        err = 0
871        widget_id = self.getWidgetId()
872        value = datastructure[widget_id]
873        if not valid or not value:
874            err = 'Invalid string'
875            logger.info('Invalid matric_no string %s' % value)
876        else:
877            value = value.upper()
878            datastructure['student'] = None
879            while not err:
880                res = returning(matric_no = value)
881                if len(res) < 1:
882                    logger.info('matric_no %s not found' % value)
883                    err = 'No student with this matriculation number.'
884                    break
885                datastructure['student'] = res[0]
886                if results is not None:
887                    res = results(matric_no = value)
888                    if len(res) < 1:
889                        err = 'No results for this matriculation number'
890                        continue
891                    datastructure['results'] = res
892                break
893        if err:
894            datastructure.setError(widget_id, err)
895        else:
896            datamodel = datastructure.getDataModel()
897            datamodel[self.fields[0]] = value
898        return not err
899
900InitializeClass(MatricNoWidget)
901
902widgetRegistry.register(MatricNoWidget)
903###)
904
905class StudentIdWidget(CPSStringWidget): ###(
906    """ StudentId Widget"""
907    meta_type = "StudentId Widget"
908    def validate(self, datastructure, **kw):
909        """Validate datastructure and update datamodel."""
910        valid = CPSStringWidget.validate(self, datastructure, **kw)
911        logger = logging.getLogger('Widgets.StudentIdWidget.validate')
912        #import pdb;pdb.set_trace()
913        s_cat = self.students_catalog
914        err = 0
915        widget_id = self.getWidgetId()
916        value = datastructure[widget_id]
917        if not valid or not value:
918            err = 'Invalid Id string'
919            logger.info('Invalid id string %s' % value)
920            datastructure['student'] = None
921        else:
922            value = value.upper()
923            res = s_cat(id = value)
924            if not res:
925                logger.info('Student id %s not found' % value)
926                err = 'No student with this Id'
927                datastructure['student'] = None
928            else:
929                datastructure['student'] = res[0]
930        if err:
931            datastructure.setError(widget_id, err)
932        else:
933            datamodel = datastructure.getDataModel()
934            datamodel[self.fields[0]] = value
935        return not err
936
937InitializeClass(StudentIdWidget)
938
939widgetRegistry.register(StudentIdWidget)
940###)
941
942class WAeUPMultilineResultsWidget(CPSStringWidget): ###(
943    """ WAeUPMultilineResults Widget"""
944    meta_type = "WAeUp Multiline Results Widget"
945    _properties = CPSWidget._properties + (
946        {'id': 'nr_of_lines', 'type': 'int', 'mode': 'w',
947         'label': 'Nr of Lines'},
948         )
949    nr_of_lines = 5
950    def prepare(self, datastructure, **kw): ###(
951        """Prepare datastructure from datamodel."""
952        datamodel = datastructure.getDataModel()
953        #import pdb;pdb.set_trace()
954        widget_id = self.getWidgetId()
955        v = datamodel[self.fields[0]]
956        if type(v) is ListType and v:
957            nr_results = len(v)
958        else:
959            v = []
960            nr_results = 0
961        count = 1
962        for s,g in v:
963            wid = "%s%02d"% (widget_id,count)
964            datastructure[wid+'_s'] = s
965            datastructure[wid+'_g'] = g
966            count += 1
967        if nr_results < self.nr_of_lines:
968            for line in range(nr_results,self.nr_of_lines):
969                v.append(('',''))
970                wid = "%s%02d"% (widget_id,line)
971                datastructure[wid+'_s'] = ''
972                datastructure[wid+'_g'] = ''
973        datastructure[widget_id] = v
974        datastructure[widget_id+'_s'] = ''
975        datastructure[widget_id+'_g'] = ''
976    ###)
977
978    def validate(self, datastructure, **kw): ###(
979        """Validate datastructure and update datamodel."""
980        #import pdb;pdb.set_trace()
981        widget_id = self.getWidgetId()
982        err = 0
983        lines = []
984        for line in range(1,30):
985            wid = "%s%02d"% (widget_id,line)
986            if not datastructure.has_key(wid+'_s'):
987                break
988            lines.append((datastructure[wid+'_s'].strip(),
989                         datastructure[wid+'_g'].strip()))
990
991        s = datastructure[widget_id+'_s'].strip()
992        g = datastructure[widget_id+'_g'].strip()
993        if s and g:
994            lines.append((s,g))
995        active = []
996        for s,g in lines:
997            if g != "":
998                active.append((s,g))
999        if err:
1000            datastructure.setError(widget_id, err)
1001        else:
1002            datamodel = datastructure.getDataModel()
1003            datamodel[self.fields[0]] = active
1004        return not err
1005    ###)
1006
1007    def render(self, mode, datastructure, **kw): ###(
1008        """Render in mode from datastructure."""
1009        render_method = 'widget_waeup_multiline_result_render'
1010        meth = getattr(self, render_method, None)
1011        if meth is None:
1012            raise RuntimeError("Unknown Render Method %s for widget type %s"
1013                               % (render_method, self.getId()))
1014        #import pdb;pdb.set_trace()
1015        datamodel = datastructure.getDataModel()
1016        widget_id = self.getWidgetId()
1017        lines = datamodel[self.fields[0]]
1018        if len(lines) < self.nr_of_lines:
1019            for line in range(len(lines),self.nr_of_lines + 1):
1020                lines.append(('',''))
1021        datastructure[widget_id] = lines
1022        datastructure[widget_id+'_s'] = ''
1023        datastructure[widget_id+'_g'] = ''
1024##        count = 1
1025##        for s,g in v:
1026##            wid = "%s%02d"% (widget_id,count)
1027##            count += 1
1028        return meth(mode=mode,
1029                    datastructure=datastructure,
1030                    )
1031    ###)
1032
1033
1034InitializeClass(WAeUPMultilineResultsWidget)
1035widgetRegistry.register(WAeUPMultilineResultsWidget)
1036###)
1037
1038class WAeUPResultsWidget(CPSStringWidget): ###(
1039    """ WAeUPResults Widget"""
1040    meta_type = "WAeUp Results Widget"
1041
1042    def prepare(self, datastructure, **kw): ###(
1043        """Prepare datastructure from datamodel."""
1044        datamodel = datastructure.getDataModel()
1045        v = datamodel[self.fields[0]]
1046        #import pdb;pdb.set_trace()
1047        widget_id = self.getWidgetId()
1048        datastructure[widget_id] = v
1049        datastructure[widget_id+'_s'] = ''
1050        datastructure[widget_id+'_g'] = ''
1051    ###)
1052
1053    def validate(self, datastructure, **kw): ###(
1054        """Validate datastructure and update datamodel."""
1055        #import pdb;pdb.set_trace()
1056        widget_id = self.getWidgetId()
1057        v = datastructure[widget_id]
1058        err = 0
1059        s = datastructure[widget_id+'_s'].strip()
1060        g = datastructure[widget_id+'_g'].strip()
1061        while 1:
1062            if not s and g:
1063                err = "No subject grade for subject"
1064                break
1065            i = 0
1066            done = False
1067            for sv,gv in v:
1068                if sv == s:
1069                    done = True
1070                    if not g:
1071                        v.pop(i)
1072                        break
1073                    v[i] = (s,g)
1074                    break
1075                i += 1
1076            if done:
1077                break
1078            if s and g:
1079                v.append((s,g))
1080            break
1081        if err:
1082            datastructure.setError(widget_id, err)
1083        else:
1084            datamodel = datastructure.getDataModel()
1085            datamodel[self.fields[0]] = v
1086            datastructure[widget_id+'_s'] = s
1087            datastructure[widget_id+'_g'] = g
1088        return not err
1089    ###)
1090
1091    def render(self, mode, datastructure, **kw): ###(
1092        """Render in mode from datastructure."""
1093        render_method = 'widget_waeup_result_render'
1094        meth = getattr(self, render_method, None)
1095        if meth is None:
1096            raise RuntimeError("Unknown Render Method %s for widget type %s"
1097                               % (render_method, self.getId()))
1098        #import pdb;pdb.set_trace()
1099        datamodel = datastructure.getDataModel()
1100        widget_id = self.getWidgetId()
1101        datastructure[widget_id+'_s'] = ''
1102        datastructure[widget_id+'_g'] = ''
1103        return meth(mode=mode,
1104                    datastructure=datastructure,
1105                    )
1106    ###)
1107
1108
1109InitializeClass(WAeUPResultsWidget)
1110widgetRegistry.register(WAeUPResultsWidget)
1111###)
1112
1113class ScratchCardPin: ###(
1114    """the ScratchCardPin"""
1115    def __init__(self,prefix,batch_no,number):
1116        if not batch_no and not number:
1117            s = prefix
1118            if len(s) > 3:
1119                prefix,batch_no,number = s[:3],s[3:-10],s[-10:]
1120            else:
1121                prefix,batch_no,number = s,'',''
1122        self.p = prefix
1123        self.b = batch_no
1124        self.n = number
1125
1126    def __str__(self):
1127        return "%s-%s-%s" % (self.p,self.b,self.n)
1128
1129    def __repr__(self):
1130        return "%s%s%s" % (self.p,self.b,self.n)
1131###)
1132
1133class ScratchcardPinWidget(CPSStringWidget): ###(
1134    """ ScratchcardPin Widget"""
1135    meta_type = "Scratchcard Pin Widget"
1136    _properties = CPSWidget._properties + (
1137        {'id': 'prefix', 'type': 'string', 'mode': 'w',
1138         'label': 'Prefix'},
1139         {'id': 'reference', 'type': 'string', 'mode': 'w',
1140         'label': 'Reference Field'},
1141         {'id': 'reuse_pin', 'type': 'boolean', 'mode': 'w',
1142         'label': 'Reuse Application Pin'},
1143        )
1144    prefix = ''
1145    reference = ''
1146    reuse_pin = False
1147
1148    def prepare(self, datastructure, **kw): ###(
1149        """Prepare datastructure from datamodel."""
1150        datamodel = datastructure.getDataModel()
1151        v = datamodel[self.fields[0]]
1152        widget_id = self.getWidgetId()
1153        if v and type(v) is StringType:
1154            try:
1155                p,b,n = v.split('-')
1156                v = ScratchCardPin(p,b,n)
1157            except ValueError:
1158                v = ScratchCardPin(v,'','')
1159        if v:
1160            p = '%s' % v.p
1161            b = '%s' % v.b
1162            n = '%s' % v.n
1163        else:
1164            p = self.prefix
1165            if p.startswith('@'):
1166                p = getattr(self,self.prefix[1:])()
1167            b = n = ''
1168            v = ScratchCardPin(p,b,n)
1169        datastructure[widget_id] = v
1170        datastructure[widget_id+'_p'] = p
1171        datastructure[widget_id+'_b'] = b
1172        datastructure[widget_id+'_n'] = n
1173    ###)
1174
1175    def validate(self, datastructure, **kw): ###(
1176        """Validate datastructure and update datamodel."""
1177        s_logger = logging.getLogger('Widgets.ScratchcardPinWidget.validate')
1178        widget_id = self.getWidgetId()
1179        v = datastructure[widget_id]
1180        #import pdb;pdb.set_trace()
1181        err = 0
1182        mapping = {}
1183        prefix= self.prefix
1184        if prefix.startswith('@'):
1185            prefix= getattr(self,self.prefix[1:])()
1186        b = datastructure[widget_id+'_b'].strip()
1187        n = datastructure[widget_id+'_n'].strip()
1188        pins = self.portal_pins
1189        pin = "%(prefix)s%(b)s%(n)s" % vars()
1190        pin_str = "%(prefix)s-%(b)s-%(n)s" % vars()
1191        do = 1
1192        s_id = str(self.portal_membership.getAuthenticatedMember())
1193        if self.isStaff():
1194            do = 0
1195            err ='You are not a Student. PIN neither checked nor used.'
1196            s_logger.info('%s tried to use scratch card %s' % (s_id,pin_str))
1197        elif len(b) > 1 and b.find('-') > -1:
1198            do = 0
1199            err = 'PIN must not contain "-".'
1200            s_logger.info('%s entered invalid PIN  containing "-"' % (s_id))
1201        elif n.find('-') > -1:
1202            do = 0
1203            err = 'PIN must not contain "-".'
1204            s_logger.info('%s entered invalid PIN  containing "-"' % (s_id))
1205        elif len(n) != 10:
1206            do = 0
1207            err = 'Invalid PIN length'
1208            s_logger.info('%s entered invalid PIN with length %d' % (s_id,len(n)))
1209        elif self.reference == "":
1210            ref = s_id
1211        else:
1212            ref = datastructure[self.reference]
1213            if datastructure.errors:
1214                do = 0
1215                datastructure.setError(widget_id, 'PIN neither checked nor used.')
1216                s_logger.info('%s/%s entered wrong data together with PIN %s' % (s_id,ref,pin_str))
1217            elif prefix == 'APP' and not self.reuse_pin:
1218                res =  self.applicants_catalog(reg_no = ref)
1219                if res and res[0].pin == pin_str:
1220                    do = 0
1221                    err = 'Application PINs cannot be reused.'
1222                    s_logger.info('%s entered same PIN as for screening application %s' % (s_id,pin_str))
1223
1224        while do:
1225            ok = pins.searchAndSetRecord(pin,ref,prefix)
1226            if ok < -2 or ok > 2:
1227                err = 'Unknown error, please report!'
1228                s_logger.info('%s/%s caused unknown error with PIN %s' % (s_id,ref,pin_str))
1229                break
1230            elif ok == -2:
1231                err = 'Service already is activated but with a different PIN.'
1232                s_logger.info('%s/%s repeatedly activated service but with different PIN %s' % (s_id,ref,pin_str))
1233                break
1234            elif ok == -1:
1235                err = 'Invalid PIN'
1236                s_logger.info('%s/%s entered invalid PIN %s' % (s_id,ref,pin_str))
1237                break
1238            if ok == 0:
1239                err = 'PIN already used'
1240                s_logger.info('%s/%s entered used PIN %s' % (s_id,ref,pin_str))
1241                break
1242            if ok >= 1:
1243                #import pdb;pdb.set_trace()
1244                if self.isStudent():
1245                    if self.reference == "jamb_reg_no":
1246                        err = "You are already logged in."
1247                        s_logger.info('%s/%s checked admission with PIN %s though logged in' % (s_id,ref,pin_str))
1248                        break
1249                    if ok == 1:
1250                        s_logger.info('%s/%s successfully used PIN %s' % (s_id,ref,pin_str))
1251                    else:
1252                        s_logger.info('%s/%s repeatedly used PIN %s' % (s_id,ref,pin_str))
1253                    break
1254                else:
1255                    student = getStudentByRegNo(self,ref)
1256                    s_logger.info('%s/%s successfully used PIN %s' % (s_id,ref,pin_str))
1257                if student is None:
1258                    err = "Student record not found."
1259                    s_logger.info('%s not found in admission list' % (ref))
1260                    break
1261                s_id = student.getId()
1262                if ok == 2:
1263                    if self.reference == "jamb_reg_no":
1264                        if hasattr(self.portal_directories.students,s_id):
1265                            err = "Please login with your Student Id ${id} and 10-digit PIN."
1266                            mapping = {'id': s_id}
1267                            s_logger.info('%s/%s repeatedly checked admission with PIN %s' % (s_id,ref,pin_str))
1268                            break
1269                        else:
1270                            s_logger.info('%s/%s (non-member) repeatedly checked admission with PIN %s' % (s_id,ref,pin_str))
1271                    else:
1272                        err = "Unknown error"
1273                        s_logger.info('%s/%s repeatedly activated service with PIN %s' % (s_id,ref,pin_str))
1274                        break
1275                try:
1276                    student.getContent().makeStudentMember(s_id,password=pin[4:])
1277                    s_logger.info('%s/%s has been created using PIN %s' % (s_id,ref,pin_str))
1278                except:
1279                    err = "Please login with your Student Id ${id} and 10-digit PIN."
1280                    mapping = {'id': s_id}
1281                    s_logger.info('%s/%s could not be made a member with PIN %s' % (s_id,ref,pin_str))
1282                    break
1283            break
1284        if err:
1285            datastructure.setError(widget_id, err,mapping)
1286        else:
1287            datamodel = datastructure.getDataModel()
1288            datamodel[self.fields[0]] = ScratchCardPin(prefix,b,n)
1289            datastructure[widget_id] = ScratchCardPin(prefix,b,n)
1290            datastructure[widget_id+'_p'] = prefix
1291            datastructure[widget_id+'_b'] = b
1292            datastructure[widget_id+'_n'] = n
1293            datastructure['s_id'] = s_id
1294        return not err
1295
1296###)
1297
1298    def render(self, mode, datastructure, **kw): ###(
1299        """Render in mode from datastructure."""
1300        render_method = 'widget_scratch_card_pin_render'
1301        meth = getattr(self, render_method, None)
1302        if meth is None:
1303            raise RuntimeError("Unknown Render Method %s for widget type %s"
1304                               % (render_method, self.getId()))
1305
1306        # XXX AT: datastructure has to be set again here, in case we're in edit
1307        # or create mode, because a default value has to be provided.
1308        #import pdb;pdb.set_trace()
1309        datamodel = datastructure.getDataModel()
1310        v = datamodel[self.fields[0]]
1311        if v and type(v) is StringType:
1312            try:
1313                p,b,n = v.split('-')
1314                v = ScratchCardPin(p,b,n)
1315            except ValueError:
1316                v = ScratchCardPin(self.prefix,'XXX',v)
1317                pass
1318        if v:
1319            prefix= '%s' % v.p
1320            b = '%s' % v.b
1321            n = '%s' % v.n
1322        else:
1323            prefix= self.prefix
1324            if prefix.startswith('@'):
1325                prefix= getattr(self,self.prefix[1:])()
1326            b = n = ''
1327            v = ScratchCardPin(prefix,b,n)
1328        widget_id = self.getWidgetId()
1329        datastructure[widget_id] = v
1330        datastructure[widget_id+'_p'] = prefix
1331        datastructure[widget_id+'_b'] = b
1332        datastructure[widget_id+'_n'] = n
1333        return meth(mode=mode,
1334                    datastructure=datastructure,
1335                    )
1336    ###)
1337
1338InitializeClass(ScratchcardPinWidget)
1339widgetRegistry.register(ScratchcardPinWidget)
1340###)
1341
1342class PumePinWidget(ScratchcardPinWidget): ###(
1343    """ Pume Pin Widget"""
1344    meta_type = "Pume Pin Widget"
1345    catalog = "applicants_catalog"
1346    reference = ''
1347
1348    def prepare(self, datastructure, **kw): ###(
1349        """Prepare datastructure from datamodel."""
1350        datamodel = datastructure.getDataModel()
1351        #import pdb;pdb.set_trace()
1352        v = datamodel[self.fields[0]]
1353        widget_id = self.getWidgetId()
1354        if v and type(v) is StringType:
1355            try:
1356                p,b,n = v.split('-')
1357                v = ScratchCardPin(p,b,n)
1358            except ValueError:
1359                v = ScratchCardPin(v,'','')
1360        if v:
1361            p = '%s' % v.p
1362            b = '%s' % v.b
1363            n = '%s' % v.n
1364        else:
1365            p = self.prefix
1366            if p.startswith('@'):
1367                p = getattr(self,self.prefix[1:])()
1368            b = n = ''
1369            v = ScratchCardPin(p,b,n)
1370        datastructure[widget_id] = v
1371        datastructure[widget_id+'_p'] = p
1372        datastructure[widget_id+'_b'] = b
1373        datastructure[widget_id+'_n'] = n
1374    ###)
1375
1376    def validate(self, datastructure, **kw): ###(
1377        """Validate datastructure and update datamodel."""
1378        #import pdb;pdb.set_trace()
1379        s_logger = logging.getLogger('Widgets.ScratchcardPinWidget.validate')
1380        widget_id = self.getWidgetId()
1381        v = datastructure[widget_id]
1382        err = 0
1383        mapping = {}
1384        prefix= self.prefix
1385        if prefix.startswith('@'):
1386            prefix= getattr(self,self.prefix[1:])()
1387        b = datastructure[widget_id+'_b'].strip()
1388        n = datastructure[widget_id+'_n'].strip()
1389        pins = self.portal_pins
1390        pin = "%(prefix)s%(b)s%(n)s" % vars()
1391        pin_str = "%(prefix)s-%(b)s-%(n)s" % vars()
1392        member_id = str(self.portal_membership.getAuthenticatedMember())
1393        do = 1
1394        if self.isStaff():
1395            do = 0
1396            err ='You are logged in, please log out. PIN neither checked nor used.'
1397            s_logger.info('%s tried to use scratch card %s' % (member_id,pin_str))
1398        elif self.isStudent():
1399            do = 0
1400            ref = datastructure[self.reference]
1401            err ='You are logged in, please log out. PIN neither checked nor used.'
1402            s_logger.info('%s/%s applied for screening test with PIN %s' % (member_id,ref,pin_str))
1403        elif len(b) > 1 and b.find('-') > -1:
1404            do = 0
1405            err = 'PIN must not contain "-"'
1406            s_logger.info('%s entered invalid PIN  containing "-"' % (member_id))
1407        elif n.find('-') > -1:
1408            do = 0
1409            err = 'PIN must not contain "-"'
1410            s_logger.info('%s entered invalid PIN  containing "-"' % (member_id))
1411        elif len(n) != 10:
1412            do = 0
1413            err = 'Invalid PIN length'
1414            s_logger.info('%s entered invalid PIN with length %d' % (member_id,len(n)))
1415        elif self.reference == "":
1416            ref = n
1417        else:
1418            ref = datastructure[self.reference]
1419            if datastructure.errors:
1420                do = 0
1421                datastructure.setError(widget_id, 'PIN neither checked nor used.')
1422                s_logger.info('%s/%s entered wrong data together with PIN %s' % (member_id,ref,pin_str))
1423        while do:
1424            ok = pins.searchAndSetRecord(pin,ref,prefix)
1425            if ok < -2 or ok > 2:
1426                err = 'Unknown error, please report!'
1427                s_logger.info('%s/%s caused unknown error with PIN %s' % (member_id,ref,pin_str))
1428                break
1429            elif ok == -2:
1430                err = 'Service is already activated but with a different PIN.'
1431                s_logger.info('%s/%s repeatedly activated service but with different PIN %s' % (member_id,ref,pin_str))
1432                break
1433            elif ok == -1:
1434                err = 'Invalid PIN'
1435                s_logger.info('%s/%s entered invalid PIN %s' % (member_id,ref,pin_str))
1436                break
1437            if ok == 0:
1438                err = 'PIN already used'
1439                s_logger.info('%s/%s entered used PIN %s' % (member_id,ref,pin_str))
1440                break
1441            if ok >= 1:
1442                #screening_type = self.REQUEST.form.get('screening_type','unknown')
1443                #screening_type = datastructure['screening_type']
1444                if self.REQUEST.traverse_subpath:
1445                    screening_type_request = self.REQUEST.traverse_subpath[0]
1446                else:
1447                    screening_type_request = 'manage'
1448
1449                if datastructure.has_key('record'):
1450                    applicant = datastructure['record']
1451                    if applicant.screening_type != screening_type_request\
1452                          and screening_type_request != 'manage':
1453                        err = "You are using the wrong access form!"
1454                        s_logger.info('%s tried to use %s application form but has applied for %s' % (ref,screening_type_request,applicant.screening_type))
1455                        break
1456                    if not applicant.pin:
1457                        s_logger.info('%s successfully used PIN %s' % (ref,pin_str))
1458                        d = {}
1459                        d['reg_no'] = applicant.reg_no
1460                        d['pin'] = pin_str
1461                        #d['screening_type'] = screening_type
1462                        #d['status'] = 'entered'
1463                        getattr(self,self.catalog).modifyRecord(**d)
1464                    elif applicant.pin != pin_str:
1465                        s_logger.info('%s/%s tried to enter application record with different PIN %s' % (member_id,ref,pin_str))
1466                    elif applicant.pin == pin_str:
1467                        s_logger.info('%s/%s repeatedly entered application record with PIN %s' % (member_id,ref,pin_str))
1468                else:
1469                    datastructure['reg_no'] = ref
1470                    res = self.applicants_catalog(reg_no = ref)
1471                    if not res:
1472                        s_logger.info('%s successfully used PIN %s' % (ref,pin_str))
1473                        d = {}
1474                        d['reg_no'] = ref
1475                        d['pin'] = pin_str
1476                        d['status'] = 'entered'
1477                        d['screening_type'] = screening_type_request
1478                        self.applicants_catalog.addRecord(**d)
1479                    else:
1480                        s_logger.info('%s/%s repeatedly entered application record with PIN %s' % (ref,ref,pin_str))
1481            break
1482        if err:
1483            datastructure.setError(widget_id, err,mapping)
1484        else:
1485            datamodel = datastructure.getDataModel()
1486            datamodel[self.fields[0]] = ScratchCardPin(prefix,b,n)
1487            datastructure[widget_id] = ScratchCardPin(prefix,b,n)
1488            datastructure[widget_id+'_p'] = prefix
1489            datastructure[widget_id+'_b'] = b
1490            datastructure[widget_id+'_n'] = n
1491        return not err
1492    ###)
1493
1494    def render(self, mode, datastructure, **kw): ###(
1495        """Render in mode from datastructure."""
1496        render_method = 'widget_scratch_card_pin_render'
1497        meth = getattr(self, render_method, None)
1498        if meth is None:
1499            raise RuntimeError("Unknown Render Method %s for widget type %s"
1500                               % (render_method, self.getId()))
1501
1502        # XXX AT: datastructure has to be set again here, in case we're in edit
1503        # or create mode, because a default value has to be provided.
1504        #import pdb;pdb.set_trace()
1505        datamodel = datastructure.getDataModel()
1506        v = datamodel[self.fields[0]]
1507        #import pdb;pdb.set_trace()
1508        if v and type(v) is StringType:
1509            try:
1510                p,b,n = v.split('-')
1511                v = ScratchCardPin(p,b,n)
1512            except ValueError:
1513                v = ScratchCardPin(self.prefix,'XXX',v)
1514                pass
1515        if v:
1516            prefix= '%s' % v.p
1517            b = '%s' % v.b
1518            n = '%s' % v.n
1519        else:
1520            prefix= self.prefix
1521            if prefix.startswith('@'):
1522                prefix= getattr(self,self.prefix[1:])()
1523            b = n = ''
1524            v = ScratchCardPin(prefix,b,n)
1525        widget_id = self.getWidgetId()
1526        datastructure[widget_id] = v
1527        datastructure[widget_id+'_p'] = prefix
1528        datastructure[widget_id+'_b'] = b
1529        datastructure[widget_id+'_n'] = n
1530        return meth(mode=mode,
1531                    datastructure=datastructure,
1532                    )
1533    ###)
1534
1535InitializeClass(PumePinWidget)
1536widgetRegistry.register(PumePinWidget)
1537###)
1538
1539class WAeUPImageWidget(CPSImageWidget): ###(
1540    """Photo widget."""
1541    meta_type = 'WAeUP Image Widget'
1542
1543    def render(self, mode, datastructure, **kw):
1544        render_method = 'widget_waeup_image_render'
1545        meth = getattr(self, render_method, None)
1546        if meth is None:
1547            raise RuntimeError("Unknown Render Method %s for widget type %s"
1548                               % (render_method, self.getId()))
1549        img_info = self.getImageInfo(datastructure)
1550        return meth(mode=mode, datastructure=datastructure, **img_info)
1551
1552InitializeClass(WAeUPImageWidget)
1553
1554widgetRegistry.register(WAeUPImageWidget)
1555###)
1556
1557class ApplicationImageWidget(CPSImageWidget): ###(
1558    """Image widget with filesystem storage."""
1559    meta_type = 'Application Image Widget'
1560    _properties = CPSImageWidget._properties +\
1561    (
1562     {'id': 'path', 'type': 'string', 'mode': 'w',
1563      'label': 'Relative Path'},
1564     {'id': 'id_field', 'type': 'string', 'mode': 'w',
1565      'label': 'Field to build the id'},
1566    )
1567    path = "images"
1568    storage_path = "%s/import/%s" % (i_home,path)
1569    id_field = "reg_no"
1570
1571    def getImageInfo(self, datastructure): ###(
1572        """Get the file info from the datastructure."""
1573        widget_id = self.getWidgetId()
1574        if  datastructure.has_key(widget_id):
1575            fileupload = datastructure[widget_id]
1576            dm = datastructure.getDataModel()
1577            field_id = self.fields[0]
1578            screening_type = datastructure.get('screening_type')
1579            current_filename = "%s_%s.jpg" % (datastructure[self.id_field],
1580                                            field_id,)
1581            base_path = os.path.join(screening_type,current_filename)
1582            content_url = os.path.join('viewimage',self.path,base_path)
1583            file_path = os.path.join(self.storage_path,base_path)
1584            #import pdb; pdb.set_trace()
1585        else:
1586            file_path = "XXX"
1587        # read the file from the filesystem
1588        if not os.path.exists(file_path):
1589            height = -1
1590            width = -1
1591            empty_file = True
1592            session_file = False
1593            current_filename = ''
1594            content_url = ''
1595            size = 0
1596            mimetype = ''
1597            last_modified = ''
1598            height = ''
1599            width = ''
1600
1601        else:
1602            image = open(file_path)
1603            from OFS.Image import getImageInfo as getImageInfoOFS
1604            image.seek(0)
1605            data = image.read(2000)
1606            size = len(data)
1607            empty_file = size == 0
1608            session_file = False
1609            last_modified = ''
1610            image.close()
1611            mimetype, width, height = getImageInfoOFS(data)
1612
1613            if width < 0:
1614                width = None
1615            if height < 0:
1616                height = None
1617
1618            if (self.allow_resize
1619                and height is not None
1620                and width  is not None):
1621                z_w = z_h = 1
1622                h = int(self.display_height)
1623                w = int(self.display_width)
1624                if w and h:
1625                    if w < width:
1626                        z_w = w / float(width)
1627                    if h < height:
1628                        z_h = h / float(height)
1629                    zoom = min(z_w, z_h)
1630                    width = int(zoom * width)
1631                    height = int(zoom * height)
1632                #import pdb;pdb.set_trace()
1633        image_info = {
1634            'empty_file': empty_file,
1635            'session_file': session_file,
1636            'current_filename': current_filename,
1637            'size': size,
1638            'last_modified': last_modified,
1639            'content_url': content_url,
1640            'mimetype': mimetype,
1641            }
1642        title = image_info['current_filename']
1643        alt = title or ''
1644        #height = int(self.display_height)
1645        #width = int(self.display_width)
1646        if height is None or width is None:
1647            tag = renderHtmlTag('img', src=image_info['content_url'],
1648                                alt=alt, title=title)
1649        else:
1650            tag = renderHtmlTag('img', src=image_info['content_url'],
1651                                width=str(width), height=str(height),
1652                                alt=alt, title=title)
1653
1654        image_info['height'] = height
1655        image_info['width'] = width
1656        image_info['image_tag'] = tag
1657        return image_info
1658    ###)
1659
1660    def checkFileName(self, filename, mimetype):
1661        return '', {}
1662        if mimetype and mimetype.startswith('image'):
1663            return '', {}
1664        return 'cpsschemas_err_image', {}
1665
1666    def prepare(self, datastructure, **kw): ###(
1667        """Prepare datastructure from datamodel."""
1668        datamodel = datastructure.getDataModel()
1669        widget_id = self.getWidgetId()
1670        file_name = datamodel[self.fields[0]]
1671        #import pdb; pdb.set_trace()
1672        if self.allow_resize:
1673            datastructure[self.getWidgetId() + '_resize'] = ''
1674        screening_type = datamodel.get('screening_type',None)
1675        if not screening_type:
1676            screening_type = self.REQUEST.form.get('screening_type','pume')
1677        datastructure["screening_type"] = screening_type
1678        datastructure[widget_id] = file_name
1679        datastructure[widget_id + '_choice'] = 'change'
1680        title = 'Passport Foto'
1681        datastructure[widget_id + '_filename'] = title
1682    ###)
1683
1684    def validate(self, datastructure, **kw): ###(
1685        """Update datamodel from user data in datastructure.
1686        """
1687        logger = logging.getLogger('Widgets.ApplicationImageWidget.validate')
1688        datamodel = datastructure.getDataModel()
1689        field_id = self.fields[0]
1690        widget_id = self.getWidgetId()
1691        store = False
1692        fileupload = None
1693        mimetype = None
1694        old_file = datamodel[field_id]
1695        # if old_file is not None:
1696        #     old_filename = old_file.title
1697        # else:
1698        #     old_filename = ''
1699        choice = datastructure[widget_id+'_choice']
1700        fileupload = datastructure[widget_id]
1701        is_upload = isinstance(fileupload, FileUpload)
1702        #import pdb; pdb.set_trace()
1703        if not is_upload and not datamodel[field_id]:
1704            if self.is_required:
1705                return self.validateError('Picture upload required', {},
1706                                          datastructure)
1707        if choice == 'delete':
1708            if self.is_required:
1709                return self.validateError('cpsschemas_err_required', {},
1710                                          datastructure)
1711            datamodel[field_id] = None
1712        elif choice == 'keep':
1713            fileupload = datastructure[widget_id]
1714            if isinstance(fileupload, PersistableFileUpload):
1715                # Keeping something from the session means we
1716                # actually want to store it.
1717                store = True
1718            # else:
1719            #     # Nothing to change, don't pollute datastructure
1720            #     # with something costly already stored, which therefore
1721            #     # doesn't need to be kept in the session.
1722            #     self.unprepare(datastructure)
1723        elif choice == 'change' and is_upload:
1724            if not fileupload:
1725                return self.validateError('cpsschemas_err_file_empty', {},
1726                                          datastructure)
1727            if not isinstance(fileupload, FileUpload):
1728                return self.validateError('cpsschemas_err_file', {},
1729                                          datastructure)
1730            fileupload.seek(0, 2) # end of file
1731            size = fileupload.tell()
1732            if not size:
1733                return self.validateError('cpsschemas_err_file_empty', {},
1734                                          datastructure)
1735            if self.size_max and size > self.size_max:
1736                max_size_str = self.getHumanReadableSize(self.size_max)
1737                err = 'This file is too big, the allowed max size is ${max_size}'
1738                logger.info('%s tried to upload picture with size %dk' %(datastructure['reg_no'],int(size)/1000) )
1739                err_mapping = {'max_size': max_size_str}
1740                return self.validateError(err, err_mapping, datastructure)
1741            store = True
1742
1743
1744        # Find filename
1745        if is_upload and store:
1746            ext ='jpg'
1747            screening_type = datastructure.get('screening_type')
1748            filename = "%s_%s.%s" % (datastructure[self.id_field],
1749                                     self.getWidgetId(),
1750                                     ext)
1751            datamodel[field_id] = filename
1752            registry = getToolByName(self, 'mimetypes_registry')
1753            mimetype = registry.lookupExtension(filename.lower())
1754            if mimetype is not None:
1755                mimetype = str(mimetype) # normalize
1756            file = self.makeFile(filename, fileupload, datastructure)
1757            # Fixup mimetype
1758            if mimetype and file.content_type != mimetype:
1759                file.content_type = mimetype
1760            # Store the file in the filesystem
1761            #import pdb;pdb.set_trace()
1762            base_path = os.path.join(self.storage_path, screening_type)
1763            if not os.path.exists(base_path):
1764                os.mkdir(base_path)
1765            full_path = os.path.join(base_path, filename)
1766            pict = open(full_path,"w")
1767            fileupload.seek(0)
1768            pict.write(fileupload.read())
1769            pict.close()
1770
1771
1772        return True
1773
1774###)
1775
1776    def render(self, mode, datastructure, **kw): ###(
1777        render_method = 'widget_passport_render'
1778        meth = getattr(self, render_method, None)
1779        if meth is None:
1780            raise RuntimeError("Unknown Render Method %s for widget type %s"
1781                               % (render_method, self.getId()))
1782        img_info = self.getImageInfo(datastructure)
1783        return meth(mode=mode, datastructure=datastructure, **img_info)
1784    ###)
1785
1786InitializeClass(ApplicationImageWidget)
1787
1788widgetRegistry.register(ApplicationImageWidget)
1789###)
1790
1791class FileImageWidget(CPSImageWidget): ###(
1792    """Image widget with filesystem storage."""
1793    meta_type = 'File Image Widget'
1794    _properties = CPSImageWidget._properties +\
1795    (
1796     {'id': 'path', 'type': 'string', 'mode': 'w',
1797      'label': 'Relative Path'},
1798     {'id': 'id_field', 'type': 'string', 'mode': 'w',
1799      'label': 'Field to build the id'},
1800     {'id': 'show_image', 'type': 'boolean', 'mode': 'w',
1801      'label': 'Show Image'},
1802    )
1803    path = "images"
1804    storage_path = "%s/%s" % (i_home,path)
1805    id_field = ""
1806    show_image = False
1807
1808    def getStorageImageInfo(self,field_id):
1809        info = {}
1810        if self.id_field == "":
1811            student_id = self.getStudentId()
1812        else:
1813            student_id = datastructure[self.id_field]
1814        student_path = os.path.join(self.storage_path,
1815                                    student_id)
1816        image_name = ''
1817        content_url = ''
1818        current_filename = ''
1819        if os.path.exists(student_path):
1820            for name in os.listdir(student_path):
1821                if name.startswith(field_id):
1822                    image_name = name
1823                    break
1824        if image_name:
1825            info['image_name'] = image_name
1826            info['content_url'] = os.path.join(self.portal_url(),
1827                                   "viewimage",
1828                                   self.path,
1829                                   student_id,
1830                                   image_name,
1831                                   )
1832            info['current_filename'] = os.path.join(student_id,
1833                                                    image_name)
1834            info['file_path'] = os.path.join(self.storage_path,
1835                                             info['current_filename'])
1836        return info
1837
1838    def getImageInfo(self, datastructure): ###(
1839        """Get the file info from the datastructure."""
1840        widget_id = self.getWidgetId()
1841        if  datastructure.has_key(widget_id):
1842            fileupload = datastructure[widget_id]
1843            dm = datastructure.getDataModel()
1844            field_id = self.fields[0]
1845            info = self.getStorageImageInfo(field_id)
1846        else:
1847            file_path = "XXX"
1848            title = ""
1849        # read the file from the filesystem
1850        #import pdb; pdb.set_trace()
1851        #if not os.path.exists(file_path):
1852        if not info:
1853            title = ""
1854            height = -1
1855            width = -1
1856            empty_file = True
1857            session_file = False
1858            current_filename = ''
1859            content_url = ''
1860            size = 0
1861            mimetype = ''
1862            last_modified = ''
1863            height = ''
1864            width = ''
1865        else:
1866            title = info['image_name']
1867            current_filename = info['current_filename']
1868            content_url = info['content_url']
1869            image = open(info['file_path'])
1870            from OFS.Image import getImageInfo as getImageInfoOFS
1871            image.seek(0)
1872            data = image.read(2000)
1873            size = len(data)
1874            empty_file = size == 0
1875            session_file = False
1876            last_modified = ''
1877            image.close()
1878            mimetype, width, height = getImageInfoOFS(data)
1879            registry = getToolByName(self, 'mimetypes_registry')
1880            mimetype = (registry.lookupExtension(current_filename.lower()) or
1881                        registry.lookupExtension('file.bin'))
1882            if width < 0:
1883                width = None
1884            if height < 0:
1885                height = None
1886
1887            if (self.allow_resize
1888                and height is not None
1889                and width  is not None):
1890                z_w = z_h = 1
1891                h = int(self.display_height)
1892                w = int(self.display_width)
1893                if w and h:
1894                    if w < width:
1895                        z_w = w / float(width)
1896                    if h < height:
1897                        z_h = h / float(height)
1898                    zoom = min(z_w, z_h)
1899                    width = int(zoom * width)
1900                    height = int(zoom * height)
1901                #import pdb;pdb.set_trace()
1902        image_info = {
1903            'empty_file': empty_file,
1904            'session_file': session_file,
1905            'current_filename': title,
1906            'size': size,
1907            'last_modified': last_modified,
1908            'content_url': content_url,
1909            'mimetype': mimetype,
1910            }
1911        alt = title or ''
1912        #height = int(self.display_height)
1913        #width = int(self.display_width)
1914        if height is None or width is None:
1915            tag = renderHtmlTag('img', src=image_info['content_url'],
1916                                alt=alt, title=title)
1917        else:
1918            tag = renderHtmlTag('img', src=image_info['content_url'],
1919                                width=str(width), height=str(height),
1920                                alt=alt, title=title)
1921
1922        image_info['height'] = height
1923        image_info['width'] = width
1924        image_info['image_tag'] = tag
1925        image_info['show_image'] = self.show_image
1926        return image_info
1927    ###)
1928
1929    # def checkFileName(self, filename, mimetype):
1930    #     return '', {}
1931    #     if mimetype and mimetype.startswith('image'):
1932    #         return '', {}
1933    #     return 'cpsschemas_err_image', {}
1934
1935    def prepare(self, datastructure, **kw): ###(
1936        """Prepare datastructure from datamodel."""
1937        datamodel = datastructure.getDataModel()
1938        widget_id = self.getWidgetId()
1939        file_name = datamodel[self.fields[0]]
1940        if self.id_field == "":
1941            student_id = self.getStudentId()
1942        else:
1943            student_id = datastructure[self.id_field]
1944        if student_id is not None:
1945            student_path = os.path.join(self.storage_path,student_id)
1946            if not os.path.exists(student_path):
1947                self.waeup_tool.moveImagesToFS(student_id)
1948        if self.allow_resize:
1949            datastructure[self.getWidgetId() + '_resize'] = ''
1950        datastructure[widget_id] = file_name
1951        datastructure[widget_id + '_choice'] = 'change'
1952        title = 'Passport Foto'
1953        datastructure[widget_id + '_filename'] = title
1954    ###)
1955
1956    def validate(self, datastructure, **kw): ###(
1957        """Update datamodel from user data in datastructure.
1958        """
1959        logger = logging.getLogger('Widgets.FileImageWidget.validate')
1960        datamodel = datastructure.getDataModel()
1961        field_id = self.fields[0]
1962        widget_id = self.getWidgetId()
1963        store = False
1964        fileupload = None
1965        mimetype = None
1966        old_file = datamodel[field_id]
1967        choice = datastructure[widget_id+'_choice']
1968        fileupload = datastructure[widget_id]
1969        is_upload = isinstance(fileupload, FileUpload)
1970        #import pdb; pdb.set_trace()
1971        if not is_upload and not datamodel[field_id]:
1972            if self.is_required:
1973                return self.validateError('Picture upload required', {},
1974                                          datastructure)
1975        if self.id_field == "":
1976            student_id = self.getStudentId()
1977        else:
1978            student_id = datastructure[self.id_field]
1979        if choice == 'delete':
1980            if self.is_required:
1981                return self.validateError('cpsschemas_err_required', {},
1982                                          datastructure)
1983            info= self.getStorageImageInfo(field_id)
1984            # Remove the file in the filesystem
1985            if info:
1986                os.remove(info['file_path'])
1987            datamodel[field_id] = None
1988        elif choice == 'keep':
1989            fileupload = datastructure[widget_id]
1990            if isinstance(fileupload, PersistableFileUpload):
1991                # Keeping something from the session means we
1992                # actually want to store it.
1993                store = True
1994            # else:
1995            #     # Nothing to change, don't pollute datastructure
1996            #     # with something costly already stored, which therefore
1997            #     # doesn't need to be kept in the session.
1998            #     self.unprepare(datastructure)
1999        elif choice == 'change' and is_upload:
2000            if not fileupload:
2001                return self.validateError('cpsschemas_err_file_empty', {},
2002                                          datastructure)
2003            if not isinstance(fileupload, FileUpload):
2004                return self.validateError('cpsschemas_err_file', {},
2005                                          datastructure)
2006            fileupload.seek(0, 2) # end of file
2007            size = fileupload.tell()
2008            if not size:
2009                return self.validateError('cpsschemas_err_file_empty', {},
2010                                          datastructure)
2011            if self.size_max and size > self.size_max:
2012                max_size_str = self.getHumanReadableSize(self.size_max)
2013                err = 'This file is too big, the allowed max size is ${max_size}'
2014                member_id = str(self.portal_membership.getAuthenticatedMember())
2015                logger.info('%s tried to upload picture with size %dk' %(member_id,int(size)/1000) )
2016                err_mapping = {'max_size': max_size_str}
2017                return self.validateError(err, err_mapping, datastructure)
2018            store = True
2019
2020
2021        # Find filename
2022        if is_upload and store:
2023            filename = cookId('', '', fileupload)[0].strip()
2024            base,ext = os.path.splitext(filename)
2025            filename = "%s_%s%s" % (field_id,
2026                                    student_id,
2027                                    ext)
2028            datamodel[field_id] = filename
2029            registry = getToolByName(self, 'mimetypes_registry')
2030            mimetype = registry.lookupExtension(filename.lower())
2031            if mimetype is not None:
2032                mimetype = str(mimetype) # normalize
2033            file = self.makeFile(filename, fileupload, datastructure)
2034            # Fixup mimetype
2035            if mimetype and file.content_type != mimetype:
2036                file.content_type = mimetype
2037            # Store the file in the filesystem
2038            student_path = os.path.join(self.storage_path,student_id)
2039            if not os.path.exists(student_path):
2040                os.mkdir(student_path)
2041            full_path = os.path.join(student_path, filename)
2042            pict = open(full_path,"w")
2043            #fileupload.seek(0)
2044            #import pdb; pdb.set_trace()
2045            pict.write(str(file.data))
2046            pict.close()
2047        return True
2048    ###)
2049
2050    def render(self, mode, datastructure, **kw): ###(
2051        render_method = 'widget_image_render'
2052        meth = getattr(self, render_method, None)
2053        #import pdb;pdb.set_trace()
2054        if meth is None:
2055            raise RuntimeError("Unknown Render Method %s for widget type %s"
2056                               % (render_method, self.getId()))
2057        img_info = self.getImageInfo(datastructure)
2058        return meth(mode=mode, datastructure=datastructure, **img_info)
2059    ###)
2060
2061InitializeClass(FileImageWidget)
2062
2063widgetRegistry.register(FileImageWidget)
2064###)
2065
2066###########
2067
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