206 lines
6.2 KiB
Python
206 lines
6.2 KiB
Python
from kivy.uix.boxlayout import BoxLayout
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from kivy.adapters.dictadapter import DictAdapter
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from kivy.adapters.listadapter import ListAdapter
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from kivy.properties import ObjectProperty, ListProperty, AliasProperty
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from kivy.uix.listview import (ListItemButton, ListItemLabel, CompositeListItem,
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ListView)
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from kivy.lang import Builder
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from kivy.metrics import dp, sp
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Builder.load_string('''
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<GridView>
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header_view: header_view
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content_view: content_view
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BoxLayout:
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orientation: 'vertical'
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padding: '0dp', '2dp'
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BoxLayout:
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id: header_box
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orientation: 'vertical'
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size_hint: 1, None
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height: '30dp'
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ListView:
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id: header_view
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BoxLayout:
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id: content_box
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orientation: 'vertical'
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ListView:
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id: content_view
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<-HorizVertGrid>
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header_view: header_view
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content_view: content_view
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ScrollView:
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id: scrl
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do_scroll_y: False
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RelativeLayout:
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size_hint_x: None
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width: max(scrl.width, dp(sum(root.widths)))
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BoxLayout:
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orientation: 'vertical'
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padding: '0dp', '2dp'
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BoxLayout:
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id: header_box
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orientation: 'vertical'
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size_hint: 1, None
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height: '30dp'
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ListView:
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id: header_view
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BoxLayout:
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id: content_box
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orientation: 'vertical'
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ListView:
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id: content_view
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''')
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class GridView(BoxLayout):
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"""Workaround solution for grid view by using 2 list view.
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Sometimes the height of lines is shown properly."""
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def _get_hd_adpt(self):
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return self.ids.header_view.adapter
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header_adapter = AliasProperty(_get_hd_adpt, None)
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'''
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'''
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def _get_cnt_adpt(self):
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return self.ids.content_view.adapter
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content_adapter = AliasProperty(_get_cnt_adpt, None)
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'''
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'''
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headers = ListProperty([])
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'''
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'''
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widths = ListProperty([])
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'''
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'''
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data = ListProperty([])
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'''
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'''
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getter = ObjectProperty(lambda item, i: item[i])
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'''
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'''
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on_context_menu = ObjectProperty(None)
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def __init__(self, **kwargs):
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self._from_widths = False
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super(GridView, self).__init__(**kwargs)
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#self.on_headers(self, self.headers)
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def on_widths(self, instance, value):
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if not self.get_root_window():
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return
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self._from_widths = True
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self.on_headers(instance, self.headers)
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self._from_widths = False
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def on_headers(self, instance, value):
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if not self._from_widths:
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return
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if not (value and self.canvas and self.headers):
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return
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widths = self.widths
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if len(self.widths) != len(value):
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return
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#if widths is not None:
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# widths = ['%sdp' % i for i in widths]
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def generic_args_converter(row_index,
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item,
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is_header=True,
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getter=self.getter):
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cls_dicts = []
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_widths = self.widths
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getter = self.getter
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on_context_menu = self.on_context_menu
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for i, header in enumerate(self.headers):
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kwargs = {
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'padding': ('2dp','2dp'),
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'halign': 'center',
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'valign': 'middle',
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'size_hint_y': None,
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'shorten': True,
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'height': '30dp',
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'text_size': (_widths[i], dp(30)),
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'text': getter(item, i),
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}
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kwargs['font_size'] = '9sp'
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if is_header:
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kwargs['deselected_color'] = kwargs['selected_color'] =\
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[0, 1, 1, 1]
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else: # this is content
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kwargs['deselected_color'] = 1, 1, 1, 1
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if on_context_menu is not None:
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kwargs['on_press'] = on_context_menu
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if widths is not None: # set width manually
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kwargs['size_hint_x'] = None
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kwargs['width'] = widths[i]
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cls_dicts.append({
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'cls': ListItemButton,
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'kwargs': kwargs,
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})
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return {
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'id': item[-1],
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'size_hint_y': None,
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'height': '30dp',
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'cls_dicts': cls_dicts,
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}
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def header_args_converter(row_index, item):
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return generic_args_converter(row_index, item)
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def content_args_converter(row_index, item):
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return generic_args_converter(row_index, item, is_header=False)
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self.ids.header_view.adapter = ListAdapter(data=[self.headers],
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args_converter=header_args_converter,
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selection_mode='single',
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allow_empty_selection=False,
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cls=CompositeListItem)
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self.ids.content_view.adapter = ListAdapter(data=self.data,
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args_converter=content_args_converter,
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selection_mode='single',
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allow_empty_selection=False,
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cls=CompositeListItem)
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self.content_adapter.bind_triggers_to_view(self.ids.content_view._trigger_reset_populate)
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class HorizVertGrid(GridView):
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pass
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if __name__ == "__main__":
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from kivy.app import App
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class MainApp(App):
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def build(self):
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data = []
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for i in range(90):
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data.append((str(i), str(i)))
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self.data = data
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return Builder.load_string('''
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BoxLayout:
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orientation: 'vertical'
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HorizVertGrid:
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on_parent: if args[1]: self.content_adapter.data = app.data
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headers:['Address', 'Previous output']
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widths: [400, 500]
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<Label>
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font_size: '16sp'
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''')
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MainApp().run()
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