mirror of https://github.com/kivy/kivy.git
63 lines
2.3 KiB
Python
63 lines
2.3 KiB
Python
from kivy.adapters.dictadapter import DictAdapter
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from kivy.adapters.models import SelectableDataItem
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from kivy.uix.selectableview import SelectableView
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from kivy.uix.listview import ListView, ListItemButton
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from kivy.uix.gridlayout import GridLayout
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from kivy.uix.boxlayout import BoxLayout
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from kivy.lang import Builder
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from kivy.factory import Factory
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from fixtures import integers_dict
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# [TODO] Will SelectableView be in the kivy/factory_registers.py,
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# as a result of setup.py? ListItemButton? others?
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Factory.register('SelectableView', cls=SelectableView)
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Factory.register('ListItemButton', cls=ListItemButton)
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# [TODO] SelectableView is subclassed here, yet, it is necessary to add the
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# index property in the template. Same TODO in list_cascade_images.py.
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Builder.load_string('''
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[CustomListItem@SelectableView+BoxLayout]:
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size_hint_y: ctx.size_hint_y
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height: ctx.height
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ListItemButton:
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text: ctx.text
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is_selected: ctx.is_selected
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''')
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class MainView(GridLayout):
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'''Implementation of a list view with a kv template used for the list
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item class.
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'''
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def __init__(self, **kwargs):
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kwargs['cols'] = 1
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super(MainView, self).__init__(**kwargs)
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list_item_args_converter = \
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lambda row_index, rec: {'text': rec['text'],
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'is_selected': rec['is_selected'],
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'size_hint_y': None,
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'height': 25}
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# Here we create a dict adapter with 1..100 integer strings as
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# sorted_keys, and integers_dict from fixtures as data, passing our
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# CompositeListItem kv template for the list item view. Then we
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# create a list view using this adapter. args_converter above converts
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# dict attributes to ctx attributes.
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dict_adapter = DictAdapter(sorted_keys=[str(i) for i in range(100)],
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data=integers_dict,
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args_converter=list_item_args_converter,
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template='CustomListItem')
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list_view = ListView(adapter=dict_adapter)
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self.add_widget(list_view)
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if __name__ == '__main__':
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from kivy.base import runTouchApp
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runTouchApp(MainView(width=800))
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