/Python/Kivy Python ListView Scrollview with Toggle on off

Kivy Python ListView Scrollview with Toggle on off

from kivy.app import App
from kivy.lang import Builder
from kivy.uix.recycleview import RecycleView
from kivy.uix.recycleview.views import RecycleDataViewBehavior
from kivy.uix.label import Label
from kivy.properties import BooleanProperty
from kivy.uix.recycleboxlayout import RecycleBoxLayout
from kivy.uix.recyclegridlayout import RecycleGridLayout
from kivy.uix.behaviors import FocusBehavior
from kivy.uix.recycleview.layout import LayoutSelectionBehavior

Builder.load_string('''
<SelectableLabel>:
    # Draw a background to indicate selection
    canvas.before:
        Color:
            rgba: (.0, 0.9, .1, .3) if self.selected else (0, 0, 0, 1)
        Rectangle:
            pos: self.pos
            size: self.size
<RV>:
    viewclass: 'SelectableLabel'
    SelectableRecycleGridLayout:
        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
        cols: 3
''')


items = [0, "apple", "dog", 1, "banana", "cat", 2, "pear", "rat", 3,  "pineapple", "bat"]

class SelectableRecycleGridLayout(FocusBehavior, LayoutSelectionBehavior,
                                RecycleGridLayout):
    ''' 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 True
        if self.collide_point(*touch.pos) and self.selectable:
            return self.parent.select_with_touch(self.index, touch)

    def apply_selection(self, rv, index, is_selected):
        ''' Respond to the selection of items in the view. '''
        self.selected = is_selected
        if is_selected:
            print("selection changed to {0}".format(rv.data[index]))
        else:
            print("selection removed for {0}".format(rv.data[index]))


class RV(RecycleView):
    def __init__(self, **kwargs):
        super(RV, self).__init__(**kwargs)
        self.data = [{'text': str(x)} for x in items]


class TestApp(App):
    def build(self):
        return RV()

if __name__ == '__main__':
    TestApp().run()

Source: py4u.net

Similar codes

1 vote156 views1 answer
Counter in django template
Python Django
0 vote133 views1 answer
How to show a progress spinner when python script is running
Python
0 vote88 views2 answers
Smooth interpolation python
Python
0 vote138 views1 answer
Python path from string
Python
27 votes124 views6 answers
Install pandas
Python
4 votes124 views2 answers
Read binary file python
Python
0 vote165 views1 answer
Selenium exception handling python
Python
1 vote131 views1 answer
Matplotlib dark mode
Python
2 votes137 views1 answer
Jinja inheritance
Python
-1 vote168 views1 answer
Cannot import name 'httpresponse' from 'django.http'
Python Django