from kivy.app import Appfrom kivy.lang import Builderfrom kivy.uix.recycleview import RecycleViewfrom kivy.uix.recycleview.views import RecycleDataViewBehaviorfrom kivy.uix.label import Labelfrom kivy.properties import BooleanPropertyfrom kivy.uix.recycleboxlayout import RecycleBoxLayoutfrom kivy.uix.behaviors import FocusBehaviorfrom kivy.uix.recycleview.layout import LayoutSelectionBehavior
Builder.load_string(''':
# Draw a background to indicate selection
canvas.before:
Color:
rgba: (1, 0, 1, .5) if self.selected else (0, 0, 0, 1)
Rectangle:
pos: self.pos
size: self.size:
viewclass: 'SelectableLabel'
SelectableRecycleBoxLayout:
canvas:
Color:
rgba: (1, 1, 0,1)
Rectangle:
pos: self.pos
size: self.size
default_size: None, dp(56)
default_size_hint: 1, None
size_hint_y: None
height: self.minimum_height
orientation: 'vertical'
multiselect: True
touch_multiselect: True
''')class SelectableRecycleBoxLayout(FocusBehavior, LayoutSelectionBehavior,
RecycleBoxLayout):
''' Adds selection and focus behaviour to the view. '''class SelectableLabel(RecycleDataViewBehavior, Label):
''' Add selection support to the Label '''
index = None
selected = BooleanProperty(False)
selectable = BooleanProperty(True)
def refresh_view_attrs(self, rv, index, data):
''' Catch and handle the view changes '''
self.index = index return super(SelectableLabel, self).refresh_view_attrs(
rv, index, data)
def on_touch_down(self, touch):
''' Add selection on touch down '''
if super(SelectableLabel, self).on_touch_down(touch):
return False
if self.collide_point(*touch.pos) and self.selectable:
try:
for one_color in self.parent.children:
if one_color.selected:
one_color.selected = False
if self.parent.parent.data[self.index]["text"]==one_color.text:
self.parent.parent.data_selected[0]=one_color.text
one_color.selected=True
except:
passclass RV(RecycleView):
def __init__(self,data_range=range(2000,2100),**kwargs):
super(RV, self).__init__(**kwargs)
self.data_selected=[0]
self.data = [{'text': str(x)} for x in data_range]class TestApp(App):
def build(self):
return RV()if __name__ == '__main__':
TestApp().run()
