list_clyde2.py

from kivy.adapters.listadapter import ListAdapter
from kivy.adapters.models import SelectableDataItem
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button
from kivy.uix.gridlayout import GridLayout
from kivy.uix.listview import ListView, ListItemButton

class StringItem(SelectableDataItem):
    def __init__(self, **kwargs):
        super(StringItem, self).__init__(**kwargs)
        self.text = kwargs.get('text', '')
        self.is_selected = kwargs.get('is_selected', False)

string_data_items = [StringItem(text=str(i)) for i in range(100)]


class StringsListAdapter(ListAdapter):

    def db_query_one(self, list_adapter, *args):
        self.data = string_data_items[10:15]

    def db_query_two(self, list_adapter, *args):
        self.data = string_data_items[4:9]

    def db_query_three(self, list_adapter, *args):
        self.data = string_data_items[13:-1]


class QueryResultsView(GridLayout):

    def __init__(self, **kwargs):
        kwargs['cols'] = 2
        super(QueryResultsView, self).__init__(**kwargs)

        queries = BoxLayout(
                orientation='vertical', size_hint=(None, 1), width=150)

        query_button_one = Button(text='DB Query One')
        query_button_two = Button(text='DB Query Two')
        query_button_three = Button(text='DB Query Three')

        queries.add_widget(query_button_one)
        queries.add_widget(query_button_two)
        queries.add_widget(query_button_three)

        self.add_widget(queries)

        list_item_args_converter = \
                lambda row_index, selectable: {'text': selectable.text,
                                               'size_hint_y': None,
                                               'height': 25}

        strings_list_adapter = \
                StringsListAdapter(data=string_data_items,
                                  args_converter=list_item_args_converter,
                                  selection_mode='single',
                                  allow_empty_selection=False,
                                  cls=ListItemButton)

        query_button_one.bind(on_release=strings_list_adapter.db_query_one)
        query_button_two.bind(on_release=strings_list_adapter.db_query_two)
        query_button_three.bind(on_release=strings_list_adapter.db_query_three)

        strings_list_view = \
                ListView(adapter=strings_list_adapter, size_hint=(.2, 1.0))

        self.add_widget(strings_list_view)


if __name__ == '__main__':

    from kivy.base import runTouchApp

    runTouchApp(QueryResultsView(width=800))