Added printing

rigForms/views.py

@@ -7,6 +7,18 @@ from django.http.response import HttpResponseRedirect
 from django.core.urlresolvers import reverse_lazy, reverse, NoReverseMatch
 from django.db.models import Q
 
+import json
+from collections import OrderedDict
+from z3c.rml import rml2pdf
+from django.template.loader import get_template
+from django.template import RequestContext
+import cStringIO as StringIO
+import re
+import copy
+
+
+from django.http import HttpResponse
+
 import RIGS
 
 class FormCreate(generic.CreateView):
@@ -76,5 +88,146 @@ class FormList(generic.ListView):
 
 		return context
 
+class FormPrint(generic.TemplateView):
+	def _render_object(self, field, value, current_indent):
+		# Render all the child form bits first
+		current_indent += 20
+		children = self._render_field(field["properties"], value, current_indent)
+		current_indent -= 20
+		template = get_template('rigForms/print/render-object.xml')
+		context = {
+			'field': field,
+			'children': children,
+			'currentIndent':current_indent
+		}
+		return template.render(context)
+
+	def _render_string(self, field, value, current_indent):
+		template = get_template('rigForms/print/render-string.xml')
+		context = {
+			'field': field,
+			'currentIndent':current_indent,
+			'value':value
+		}
+		return template.render(context)
+
+	def _render_array(self, field, value, current_indent):
+		# Render all the child form bits first
+		current_indent += 20
+		children=[]
+
+		try:
+			numberOfChildren = len(value)
+		
+			for key,item in enumerate(value):
+				thisField = copy.deepcopy(field["items"])
+				try:
+					thisField["title"] = thisField["title"] + " " + str(key+1)
+				except KeyError:
+					pass
+
+				children.append(self._render_field_item(thisField,item,current_indent))
+
+		except TypeError:
+			numberOfChildren = 0
+
+		current_indent -= 20
+
+		template = get_template('rigForms/print/render-array.xml')
+		context = {
+			'field': field,
+			'children': children,
+			'currentIndent':current_indent
+		}
+		return template.render(context)
+
+
+	def _render_boolean(self, field, value, current_indent):
+		template = get_template('rigForms/print/render-boolean.xml')
+		context = {
+			'field': field,
+			'currentIndent':current_indent,
+			'value':value
+		}
+		return template.render(context)
+
+	def _render_field_item(self, field, value, current_indent):
+		result = ""
+		if type(field) is OrderedDict:
+			
+			if "type" in field:
+				if field["type"] == "object":
+					rendered = self._render_object(field,value,current_indent)
+				elif field["type"] == "string":
+					rendered = self._render_string(field,value,current_indent)
+				elif field["type"] == "array":
+					rendered = self._render_array(field,value,current_indent)
+				elif field["type"] == "boolean":
+					rendered = self._render_boolean(field,value,current_indent)
+				else:
+					rendered = "<h1>an unknown field</h1>"
+					# self._render_field(field,value,current_indent)
+			else:
+				rendered = "<h1>No type:" + str(key) + str(field) + "<br/><br/></h1>"
+			
+			result += rendered
+		else:
+			result += "<h1>Not ordereddict:" + str(key) + str(field) + "<br/><br/></h1>"
+
+		return result
+
+
+	def _render_field(self, parentField, parentValue, current_indent):
+		result = ""
+		for (key,field) in parentField.items():
+			try:
+				value = parentValue[str(key)]
+			except KeyError:
+				value = None
+			except TypeError:
+				value = None
+
+			result += self._render_field_item(field, value, current_indent)
+			
+		return result
+
+	def get(self, request, pk):
+		form = get_object_or_404(models.Form, pk=pk)
+
+		jsonSchema = json.loads(form.schema.schema, object_pairs_hook=OrderedDict)
+		jsonData = json.loads(form.data, object_pairs_hook=OrderedDict)
+
+		formData = self._render_field(jsonSchema["properties"], jsonData, 0)
+
+		# For development return the raw string
+		# response = HttpResponse()
+		# response.write(pdfData)
+		# return response
+
+		template = get_template('rigForms/form_print.xml')
+
+		context = RequestContext(request, {
+			'fonts': {
+				'opensans': {
+					'regular': 'RIGS/static/fonts/OPENSANS-REGULAR.TTF',
+					'bold': 'RIGS/static/fonts/OPENSANS-BOLD.TTF',
+				}
+			},
+			'formData':formData
+		})
+
+		rml = template.render(context)
+		buffer = StringIO.StringIO()
+
+		buffer = rml2pdf.parseString(rml)
+
+		pdfData = buffer.read()
+
+		# escapedEventName = re.sub('[^a-zA-Z0-9 \n\.]', '', object.name)
+
+		response = HttpResponse(content_type='application/pdf')
+		response['Content-Disposition'] = "filename=Form.pdf"
+		response.write(pdfData)
+		return response