Source code for pyforms_web.controls.control_feed

from pyforms_web.controls.control_base import ControlBase
import simplejson

class ControlFeed(ControlBase):

    EMPTY_MSG = '<div class="ui basic center very padded segment"><i class="icon ban" ></i></div>'

    def __init__(self, *args, **kwargs):
        self._read_only         = False
        self.has_more		    = False
        self._selected_index    = -1
        self.item_selection_changed_event = None
        self.mode = kwargs.get('mode','feed')

        self.empty_message = kwargs.get('empty_message', self.EMPTY_MSG)

        super(ControlFeed, self).__init__(*args, **kwargs)
        self._value = []
        self.action_param = None
        self._clear   = False


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

    def clear(self):
        self._clear = True
        self._value = []
        self.mark_to_update_client()

    @property
    def selected_row_index(self): return self._selected_index

    @selected_row_index.setter
    def selected_row_index(self, value):
        self.mark_to_update_client()
        self._selected_index = value

    def insert_feed(self, pk, html):
        self.mark_to_update_client()
        data = self.value
        data.append({
            'pk':pk,
            'html':html
        })
        self.value = data



    @property
    def value(self): return ControlBase.value.fget(self)

    @value.setter
    def value(self, value):
        self._selected_index = -1
        ControlBase.value.fset(self, value)


    def serialize(self):
        res = ControlBase.serialize(self)
        res.update({
            'clear':self._clear,
            'has_more': self.has_more,
            'mode': self.mode,
            'empty_message': self.empty_message
        })
        self._clear = False
        self.value = []
        return res


    def deserialize(self, properties):
        ControlBase.deserialize(self,properties)
        self._value			= []
        self.action_param 	= properties.get('action_param', None)