Changeset 7019 for main/waeup.sirp/trunk/src/waeup/sirp/students/utils.py

Timestamp:

7 Nov 2011, 13:03:42 (13 years ago)

Author:

Henrik Bettermann

Message:

Implement download page for pdf payment receipts (ExportPDFPaymentSlipPage) including student base data.

File:

• main/waeup.sirp/trunk/src/waeup/sirp/students/utils.py (modified) (2 diffs)

main/waeup.sirp/trunk/src/waeup/sirp/students/utils.py

@@ -3 +3 @@
 from grok import getSite
 from random import SystemRandom as r
+from datetime import date, datetime
+from reportlab.pdfgen import canvas
+from reportlab.lib.units import cm
+from reportlab.lib.pagesizes import A4
+from reportlab.lib.styles import getSampleStyleSheet
+from reportlab.platypus import (Frame, Paragraph, Image,
+    Table, Spacer)
+from reportlab.platypus.tables import TableStyle
+from zope.formlib.form import setUpEditWidgets
 from waeup.sirp.interfaces import academic_sessions_vocab
+
+SLIP_STYLE = TableStyle(
+    [('VALIGN',(0,0),(-1,-1),'TOP')]
+    )
 
 def generate_student_id(students,letter):
@@ -85 +98 @@
 def selectBed(available_beds):
     return available_beds[0]
+
+def setUpWidgets(view, ignore_request=False):
+    view.adapters = {}
+    view.widgets = setUpEditWidgets(
+        view.form_fields, view.prefix, view.context, view.request,
+        adapters=view.adapters, for_display=True,
+        ignore_request=ignore_request
+        )
+
+def renderStudentData(student, studentview):
+    setUpWidgets(studentview, ignore_request=True)
+    data = []
+    style = getSampleStyleSheet()
+    for widget in studentview.widgets:
+        if widget.name == 'form.adm_code':
+            continue
+        f_label = '<font size=12>%s</font>:' % widget.label.strip()
+        f_label = Paragraph(f_label, style["Normal"])
+        f_text = '<font size=12>%s</font>' % widget()
+        f_text = Paragraph(f_text, style["Normal"])
+        data.append([f_label,f_text])
+    table = Table(data,style=SLIP_STYLE)
+    return table
+
+# To be specified in customization packages, see also view which
+# calls the function.
+def renderPDF(view, subject='', filename='slip.pdf', student=None, studentview=None):
+    # (0,0),(-1,-1) = whole table
+    # (0,0),(0,-1) = first column
+    # (-1,0),(-1,-1) = last column
+    # (0,0),(-1,0) = first row
+    # (0,-1),(-1,-1) = last row
+
+    pdf = canvas.Canvas(filename,pagesize=A4)
+    pdf.setTitle(view.label)
+    pdf.setSubject(subject)
+    pdf.setAuthor('%s (%s)' % (view.request.principal.title,
+        view.request.principal.id))
+    pdf.setCreator('WAeUP SIRP')
+    width, height = A4
+    style = getSampleStyleSheet()
+    pdf.line(1*cm,height-(1.8*cm),width-(1*cm),height-(1.8*cm))
+
+    story = []
+    frame_header = Frame(1*cm,1*cm,width-(1.7*cm),height-(1.7*cm))
+    header_title = getattr(getSite(), 'name', u'Sample University')
+    story.append(Paragraph(header_title, style["Heading1"]))
+    frame_header.addFromList(story,pdf)
+
+    story = []
+    frame_body = Frame(1*cm,1*cm,width-(2*cm),height-(3.5*cm))
+    story.append(Paragraph(view.label, style["Heading2"]))
+    #story.append(HRFlowable())
+    if student:
+        story.append(Spacer(1, 18))
+        studenttable = renderStudentData(student, studentview)
+        story.append(studenttable)
+    story.append(Spacer(1, 18))
+    setUpWidgets(view)
+    data = []
+    for widget in view.widgets:
+        f_label = '<font size=12>%s</font>:' % widget.label.strip()
+        f_label = Paragraph(f_label, style["Normal"])
+        f_text = '<font size=12>%s</font>' % widget()
+        f_text = Paragraph(f_text, style["Normal"])
+        data.append([f_label,f_text])
+    table = Table(data,style=SLIP_STYLE)
+    story.append(table)
+    frame_body.addFromList(story,pdf)
+
+    story = []
+    frame_footer = Frame(1*cm,0,width-(2*cm),1*cm)
+    timestamp = datetime.now().strftime("%d/%m/%Y %H:%M:%S")
+    f_text = '<font size=10>%s</font>' % timestamp
+    story.append(Paragraph(f_text, style["Normal"]))
+    frame_footer.addFromList(story,pdf)
+
+    view.response.setHeader(
+        'Content-Type', 'application/pdf')
+    return pdf.getpdfdata()