from kivy.adapters.listadapter import ListAdapter
from kivy.adapters.mixins.selection import SelectableItem
from kivy.uix.listview import ListView, ListItemButton
from kivy.uix.gridlayout import GridLayout
from kivy.uix.boxlayout import BoxLayout
from kivy.lang import Builder
from kivy.factory import Factory

from datastore_integers import datastore_integers

Factory.register('SelectableItem', cls=SelectableItem)
Factory.register('ListItemButton', cls=ListItemButton)

Builder.load_string('''
[CustomListItem@SelectableItem+BoxLayout]:
    size_hint_y: ctx.size_hint_y
    height: ctx.height
    ListItemButton:
        text: ctx.text
''')


class MainView(GridLayout):
    '''Implementation of a list view with a kv template used for the list
    item class.
    '''

    def __init__(self, **kwargs):
        kwargs['cols'] = 1
        kwargs['size_hint'] = (1.0, 1.0)
        super(MainView, self).__init__(**kwargs)

        # Here we create a list adapter with some item strings, passing our
        # CompositeListItem kv template for the list item view, and then we
        # create a list view using this adapter. As we have not provided an
        # args converter to the list adapter, the default args converter
        # will be used. It creates, per list item, an args dict with the
        # text set to the data item (in this case a string label for an
        # integer index), and two default properties: size_hint_y=None and
        # height=25. To customize, make your own args converter and/or
        # customize the kv template.
        list_adapter = ListAdapter(data=[str(i) for i in xrange(100)],
                                   datastore=datastore_integers,
                                   template='CustomListItem')
        list_view = ListView(adapter=list_adapter)

        self.add_widget(list_view)


if __name__ == '__main__':
    from kivy.base import runTouchApp
    runTouchApp(MainView(width=800))