source: main/waeup.kofa/trunk/src/waeup/kofa/applicants/pdf.py @ 15185

Last change on this file since 15185 was 14849, checked in by Henrik Bettermann, 7 years ago

Let's try to print more lines per page.

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[7415]1## $Id: pdf.py 14849 2017-09-09 07:31:28Z henrik $
[7390]2##
[7398]3## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann
[7390]4## This program is free software; you can redistribute it and/or modify
5## it under the terms of the GNU General Public License as published by
6## the Free Software Foundation; either version 2 of the License, or
7## (at your option) any later version.
8##
9## This program is distributed in the hope that it will be useful,
10## but WITHOUT ANY WARRANTY; without even the implied warranty of
11## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12## GNU General Public License for more details.
13##
14## You should have received a copy of the GNU General Public License
15## along with this program; if not, write to the Free Software
16## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17##
18"""
19Generate PDF docs for applicants.
20"""
21import grok
[10310]22from reportlab.platypus import Paragraph, Spacer, Table
23from reportlab.lib.units import cm
[7390]24from zope.component import getUtility
[8059]25from zope.i18n import translate
[8046]26from waeup.kofa.applicants.interfaces import IApplicant, IApplicantsUtils
[7811]27from waeup.kofa.browser import DEFAULT_PASSPORT_IMAGE_PATH
[8059]28from waeup.kofa.browser.interfaces import IPDFCreator
[10596]29from waeup.kofa.browser.pdf import SMALL_PARA_STYLE, ENTRY1_STYLE, get_qrcode
[7819]30from waeup.kofa.interfaces import IExtFileStore, IPDF, IKofaUtils
[7811]31from waeup.kofa.interfaces import MessageFactory as _
[8059]32from waeup.kofa.widgets.datewidget import FriendlyDateDisplayWidget
[7390]33
[10310]34SLIP_STYLE = [
35    ('VALIGN',(0,0),(-1,-1),'TOP'),
36    #('FONT', (0,0), (-1,-1), 'Helvetica', 11),
37    ]
38
[7390]39class PDFApplicationSlip(grok.Adapter):
[8059]40    """Create a PDF application slip for applicants.
41    """
42    # XXX: Many things in here are reusable. We might want to split
43    # things. Possibly move parts to IPDFCreator?
[7390]44    grok.context(IApplicant)
45    grok.implements(IPDF)
46    grok.name('application_slip')
47
48    form_fields =  grok.AutoFields(IApplicant).omit(
[10310]49        'locked', 'course_admitted', 'suspended',
50        )
[8013]51    form_fields['date_of_birth'].custom_widget = FriendlyDateDisplayWidget('le')
[10310]52    column_two_fields = ('applicant_id', 'reg_number',
53        'firstname', 'middlename', 'lastname')
[10319]54    two_columns_design_fields = []
[7390]55
56    @property
[11869]57    def note(self):
[11871]58        note = getattr(self.context.__parent__, 'application_slip_notice', None)
[11872]59        if note:
60            return '<br /><br />' + note
61        return
[11869]62
63    @property
[10222]64    def target(self):
65        return getattr(self.context.__parent__, 'prefix', None)
66
67    @property
[7390]68    def title(self):
69        container_title = self.context.__parent__.title
[7819]70        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
[7714]71        ar_translation = translate(_('Application Record'),
[7811]72            'waeup.kofa', target_language=portal_language)
[7714]73        return '%s - %s %s' % (container_title,
74            ar_translation, self.context.application_number)
[7390]75
76    def _getCourseAdmittedLink(self, view):
77        """Return link, title and code in html format to the certificate
78           admitted.
79        """
80        course_admitted = self.context.course_admitted
81        if view is not None and getattr(course_admitted, '__parent__',None):
82            url = view.url(course_admitted)
83            title = course_admitted.title
84            code = course_admitted.code
85            return '<a href="%s">%s - %s</a>' %(url,code,title)
86        return ''
87
[8091]88    def _getDeptAndFaculty(self):
89        """Return long titles of department and faculty.
[7390]90
[8091]91        Returns a list [department_title, faculty_title]
[7390]92
[8091]93        If the context applicant has no course admitted or dept. and
94        faculty cannot be determined, ``None`` is returned.
[7390]95        """
96        course_admitted = self.context.course_admitted
97        dept = getattr(
98                getattr(course_admitted, '__parent__', None),
99                '__parent__', None)
100        faculty = getattr(dept, '__parent__', None)
[10650]101        return [x is not None and x.longtitle or x for x in dept, faculty]
[7390]102
[10329]103    def _addLoginInformation(self):
[8286]104        if self.context.state == 'created':
[8313]105            comment = translate(_(
[10329]106                '\n Proceed to the login page of the portal' +
[7409]107                ' and enter your new credentials:' +
[8313]108                ' user name= ${a}, password = ${b}. ' +
109                'Change your password when you have logged in.',
110                mapping = {
[8059]111                    'a':self.context.student_id,
112                    'b':self.context.application_number}
[8313]113                ))
[10330]114            return comment
115        return
[7409]116
[9949]117    def _getPDFCreator(self):
118        return getUtility(IPDFCreator)
119
[8552]120    def __call__(self, view=None, note=None):
[8059]121        """Return a PDF representation of the context applicant.
[7390]122
[8059]123        If no `view` is given, the course admitted field will be an
124        empty string and author will be set as ``'unknown'``.
125
126        If a `view` is given, author will be set as the calling
127        principal.
128        """
[8095]129        doc_title = '\n'.join([x.strip() for x in self.title.split(' - ')])
[8059]130        data = []
[14065]131        topMargin = 1.5
[14063]132        if len(self.title.split(' - ')) > 2:
[14065]133            topMargin = 1.8
[8091]134        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
135        separators = getUtility(IApplicantsUtils).SEPARATORS_DICT
[9949]136        creator = self._getPDFCreator()
[8059]137
138        # append history
[8091]139        data.extend(creator.fromStringList(self.context.history.messages))
[10333]140        data.append(Spacer(1, 5))
[8059]141
[10596]142        # create three-column header table
[10310]143        # append photograph to the left
[8059]144        img_path = getattr(
145            getUtility(IExtFileStore).getFileByContext(self.context),
146            'name', DEFAULT_PASSPORT_IMAGE_PATH)
[10319]147        data_left = [[creator.getImage(img_path)]]
[10310]148        table_left = Table(data_left,style=SLIP_STYLE)
[10319]149
[10596]150        # append base data table to the middle
[10310]151        fields = [
152            field for field in self.form_fields
153                if field.__name__ in self.column_two_fields]
[10596]154        table_middle = creator.getWidgetsTable(
[10310]155            fields, self.context, None, lang=portal_language,
[10596]156            separators=None, colWidths=[5*cm, 4.5*cm])
157
158        # append QR code to the right
159        if view is not None:
160            url = view.url(self.context, 'application_slip.pdf')
161            data_right = [[get_qrcode(url, width=70.0)]]
162            table_right = Table(data_right,style=SLIP_STYLE)
163        else:
164            table_right = None
165
166        header_table = Table(
167            [[table_left, table_middle, table_right],],style=SLIP_STYLE)
[10310]168        data.append(header_table)
169
170        # append widgets except those already added in column two
[10329]171        # and those in two_columns_design_fields
[8091]172        dept, faculty = self._getDeptAndFaculty()
[10310]173        fields = [
174            field for field in self.form_fields
[10319]175                if not field.__name__ in self.column_two_fields and
176                not field.__name__ in self.two_columns_design_fields]
[8091]177        data.append(creator.getWidgetsTable(
[10310]178            fields, self.context, view, lang=portal_language,
[8091]179            domain='waeup.kofa', separators=separators,
180            course_label='Admitted Course of Study:',
181            course_link=self._getCourseAdmittedLink(view),
[14849]182            dept=dept, faculty=faculty, colWidths=[7*cm, 10*cm]))
[8059]183
[10329]184        # append two-column table of widgets of those fields defined in
185        # two_columns_design_fields
186        if len(self.two_columns_design_fields):
187            fields = [
188                field for field in self.form_fields
189                    if not field.__name__ in self.column_two_fields and
190                    field.__name__ in self.two_columns_design_fields]
191            if fields:
192                data.append(creator.getWidgetsTable(
193                    fields, self.context, view, lang=portal_language,
194                    domain='waeup.kofa', separators=separators,
195                    twoDataCols=True))
[9948]196
[10329]197        # append login information
[10332]198        note = None
199        login_information = self._addLoginInformation()
200        if not None in (self.note, login_information):
201            note = self.note + login_information
202        elif self.note:
203            note = self.note
204        elif login_information:
205            note = login_information
[10329]206
[14065]207        return creator.create_pdf(data, None, doc_title, note=note,
208            topMargin=topMargin)
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