125 lines
3.1 KiB
Python
125 lines
3.1 KiB
Python
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from random import sample, randint
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from string import ascii_lowercase
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from kivy.app import App
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from kivy.lang import Builder
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from kivy.uix.boxlayout import BoxLayout
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kv = """
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<Row@RecycleKVIDsDataViewBehavior+BoxLayout>:
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canvas.before:
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Color:
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rgba: 0.5, 0.5, 0.5, 1
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Rectangle:
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size: self.size
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pos: self.pos
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value: ''
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Label:
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id: name
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Label:
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text: root.value
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<Test>:
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canvas:
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Color:
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rgba: 0.3, 0.3, 0.3, 1
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Rectangle:
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size: self.size
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pos: self.pos
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rv: rv
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orientation: 'vertical'
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GridLayout:
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cols: 3
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rows: 2
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size_hint_y: None
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height: dp(108)
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padding: dp(8)
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spacing: dp(16)
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Button:
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text: 'Populate list'
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on_press: root.populate()
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Button:
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text: 'Sort list'
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on_press: root.sort()
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Button:
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text: 'Clear list'
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on_press: root.clear()
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BoxLayout:
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spacing: dp(8)
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Button:
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text: 'Insert new item'
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on_press: root.insert(new_item_input.text)
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TextInput:
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id: new_item_input
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size_hint_x: 0.6
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hint_text: 'value'
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padding: dp(10), dp(10), 0, 0
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BoxLayout:
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spacing: dp(8)
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Button:
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text: 'Update first item'
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on_press: root.update(update_item_input.text)
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TextInput:
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id: update_item_input
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size_hint_x: 0.6
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hint_text: 'new value'
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padding: dp(10), dp(10), 0, 0
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Button:
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text: 'Remove first item'
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on_press: root.remove()
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RecycleView:
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id: rv
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scroll_type: ['bars', 'content']
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scroll_wheel_distance: dp(114)
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bar_width: dp(10)
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viewclass: 'Row'
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RecycleBoxLayout:
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default_size: None, dp(56)
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default_size_hint: 1, None
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size_hint_y: None
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height: self.minimum_height
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orientation: 'vertical'
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spacing: dp(2)
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"""
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Builder.load_string(kv)
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class Test(BoxLayout):
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def populate(self):
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self.rv.data = [
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{'name.text': ''.join(sample(ascii_lowercase, 6)),
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'value': str(randint(0, 2000))}
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for x in range(50)]
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def sort(self):
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self.rv.data = sorted(self.rv.data, key=lambda x: x['name.text'])
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def clear(self):
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self.rv.data = []
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def insert(self, value):
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self.rv.data.insert(0, {
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'name.text': value or 'default value', 'value': 'unknown'})
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def update(self, value):
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if self.rv.data:
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self.rv.data[0]['name.text'] = value or 'default new value'
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self.rv.refresh_from_data()
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def remove(self):
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if self.rv.data:
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self.rv.data.pop(0)
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class TestApp(App):
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def build(self):
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return Test()
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if __name__ == '__main__':
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TestApp().run()
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