Source code for pyforms_web.controls.control_template

from pyforms_web.controls.control_base import ControlBase
from django.template.loader import render_to_string
import simplejson, base64

class ControlTemplate(ControlBase):


	def __init__(self, *args, **kwargs):
		super(ControlTemplate, self).__init__(*args, **kwargs)
		self._template = kwargs.get('template', None)
		self.action_param = None

	def init_form(self):
		return """new ControlTemplate('{0}', {1})""".format(
			self._name, 
			simplejson.dumps(self.serialize()) 
		)

	def serialize(self):
		data = super(ControlTemplate,self).serialize()
		try:
			html = render_to_string(self._template, self.value)
		except Exception as e:
			html = str(e)
		
		html = base64.b64encode(html.encode('utf-8'))

		data.update({'value':html})
		return data


	def deserialize(self, properties):
		self._label   = properties.get('label','')
		self._help    = properties.get('help','')
		self._visible = properties.get('visible',True)
		self.action_param = properties.get('action_param', None)
		
	@property
	def template(self):
	    return self._template
	@template.setter
	def template(self, value): self._template = value