mirror of
https://github.com/markqvist/Sideband.git
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1073 lines
32 KiB
Python
Executable File
1073 lines
32 KiB
Python
Executable File
"""
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Components/Card
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===============
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.. seealso::
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`Material Design spec, Cards <https://material.io/components/cards>`_ and
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`Material Design 3 spec, Cards <https://m3.material.io/components/cards/specs>`_
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.. rubric:: Cards contain content and actions about a single subject.
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/cards.png
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:align: center
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`KivyMD` provides the following card classes for use:
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- MDCard_
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- MDCardSwipe_
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.. note:: :class:`~MDCard` inherited from
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:class:`~kivy.uix.boxlayout.BoxLayout`. You can use all parameters and
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attributes of the :class:`~kivy.uix.boxlayout.BoxLayout` class in the
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:class:`~MDCard` class.
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.. MDCard:
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MDCard
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------
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An example of the implementation of a card in the style of material design version 3
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------------------------------------------------------------------------------------
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.. tabs::
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.. tab:: Declarative KV and imperative python styles
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.. code-block:: python
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from kivy.lang import Builder
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from kivy.properties import StringProperty
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from kivymd.app import MDApp
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from kivymd.uix.card import MDCard
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KV = '''
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<MD3Card>
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padding: 4
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size_hint: None, None
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size: "200dp", "100dp"
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MDRelativeLayout:
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MDIconButton:
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icon: "dots-vertical"
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pos_hint: {"top": 1, "right": 1}
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MDLabel:
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id: label
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text: root.text
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adaptive_size: True
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color: "grey"
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pos: "12dp", "12dp"
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bold: True
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MDScreen:
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MDBoxLayout:
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id: box
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adaptive_size: True
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spacing: "56dp"
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pos_hint: {"center_x": .5, "center_y": .5}
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'''
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class MD3Card(MDCard):
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'''Implements a material design v3 card.'''
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text = StringProperty()
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class Example(MDApp):
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def build(self):
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self.theme_cls.material_style = "M3"
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return Builder.load_string(KV)
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def on_start(self):
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styles = {
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"elevated": "#f6eeee", "filled": "#f4dedc", "outlined": "#f8f5f4"
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}
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for style in styles.keys():
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self.root.ids.box.add_widget(
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MD3Card(
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line_color=(0.2, 0.2, 0.2, 0.8),
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style=style,
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text=style.capitalize(),
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md_bg_color=styles[style],
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)
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)
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Example().run()
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.. tab:: Declarative python styles
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.. code-block:: python
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from kivymd.app import MDApp
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from kivymd.uix.boxlayout import MDBoxLayout
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from kivymd.uix.button import MDIconButton
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from kivymd.uix.card import MDCard
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from kivymd.uix.label import MDLabel
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from kivymd.uix.relativelayout import MDRelativeLayout
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from kivymd.uix.screen import MDScreen
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class MD3Card(MDCard):
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'''Implements a material design v3 card.'''
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class Example(MDApp):
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def build(self):
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self.theme_cls.material_style = "M3"
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return (
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MDScreen(
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MDBoxLayout(
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id="box",
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adaptive_size=True,
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spacing="56dp",
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pos_hint={"center_x": 0.5, "center_y": 0.5},
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)
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)
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)
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def on_start(self):
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styles = {
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"elevated": "#f6eeee", "filled": "#f4dedc", "outlined": "#f8f5f4"
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}
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for style in styles.keys():
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self.root.ids.box.add_widget(
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MD3Card(
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MDRelativeLayout(
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MDIconButton(
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icon="dots-vertical",
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pos_hint={"top": 1, "right": 1}
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),
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MDLabel(
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text=style.capitalize(),
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adaptive_size=True,
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color="grey",
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pos=("12dp", "12dp"),
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),
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),
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line_color=(0.2, 0.2, 0.2, 0.8),
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style=style,
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padding="4dp",
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size_hint=(None, None),
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size=("200dp", "100dp"),
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md_bg_color=styles[style],
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)
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)
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Example().run()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/cards-m3.png
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:align: center
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.. MDCardSwipe:
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MDCardSwipe
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-----------
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To create a card with `swipe-to-delete` behavior, you must create a new class
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that inherits from the :class:`~MDCardSwipe` class:
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.. code-block:: kv
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<SwipeToDeleteItem>
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size_hint_y: None
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height: content.height
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MDCardSwipeLayerBox:
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MDCardSwipeFrontBox:
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OneLineListItem:
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id: content
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text: root.text
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_no_ripple_effect: True
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.. code-block:: python
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class SwipeToDeleteItem(MDCardSwipe):
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text = StringProperty()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/sceleton-mdcard-swiper.png
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:align: center
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End full code
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-------------
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.. tabs::
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.. tab:: Declarative KV and imperative python styles
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.. code-block:: python
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from kivy.lang import Builder
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from kivy.properties import StringProperty
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from kivymd.app import MDApp
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from kivymd.uix.card import MDCardSwipe
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KV = '''
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<SwipeToDeleteItem>
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size_hint_y: None
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height: content.height
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MDCardSwipeLayerBox:
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# Content under the card.
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MDCardSwipeFrontBox:
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# Content of card.
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OneLineListItem:
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id: content
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text: root.text
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_no_ripple_effect: True
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MDScreen:
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MDBoxLayout:
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orientation: "vertical"
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MDTopAppBar:
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elevation: 4
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title: "MDCardSwipe"
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MDScrollView:
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scroll_timeout : 100
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MDList:
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id: md_list
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padding: 0
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'''
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class SwipeToDeleteItem(MDCardSwipe):
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'''Card with `swipe-to-delete` behavior.'''
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text = StringProperty()
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class Example(MDApp):
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def build(self):
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self.theme_cls.theme_style = "Dark"
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self.theme_cls.primary_palette = "Orange"
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return Builder.load_string(KV)
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def on_start(self):
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'''Creates a list of cards.'''
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for i in range(20):
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self.root.ids.md_list.add_widget(
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SwipeToDeleteItem(text=f"One-line item {i}")
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)
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Example().run()
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.. tab:: Declarative python styles
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.. code-block:: python
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from kivymd.app import MDApp
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from kivymd.uix.boxlayout import MDBoxLayout
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from kivymd.uix.card import (
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MDCardSwipe, MDCardSwipeLayerBox, MDCardSwipeFrontBox
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)
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from kivymd.uix.list import MDList, OneLineListItem
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from kivymd.uix.screen import MDScreen
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from kivymd.uix.scrollview import MDScrollView
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from kivymd.uix.toolbar import MDTopAppBar
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class Example(MDApp):
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def build(self):
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self.theme_cls.theme_style = "Dark"
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self.theme_cls.primary_palette = "Orange"
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return (
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MDScreen(
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MDBoxLayout(
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MDTopAppBar(
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elevation=4,
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title="MDCardSwipe",
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),
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MDScrollView(
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MDList(
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id="md_list",
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),
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id="scroll",
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scroll_timeout=100,
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),
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id="box",
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orientation="vertical",
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),
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)
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)
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def on_start(self):
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'''Creates a list of cards.'''
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for i in range(20):
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self.root.ids.box.ids.scroll.ids.md_list.add_widget(
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MDCardSwipe(
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MDCardSwipeLayerBox(),
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MDCardSwipeFrontBox(
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OneLineListItem(
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id="content",
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text=f"One-line item {i}",
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_no_ripple_effect=True,
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)
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),
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size_hint_y=None,
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height="52dp",
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)
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)
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Example().run()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/list-mdcard-swipe.gif
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:align: center
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Binding a swipe to one of the sides of the screen
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-------------------------------------------------
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.. code-block:: kv
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<SwipeToDeleteItem>
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# By default, the parameter is "left"
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anchor: "right"
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/mdcard-swipe-anchor-right.gif
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:align: center
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.. Note:: You cannot use the left and right swipe at the same time.
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Swipe behavior
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--------------
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.. code-block:: kv
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<SwipeToDeleteItem>
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# By default, the parameter is "hand"
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type_swipe: "hand"
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/hand-mdcard-swipe.gif
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:align: center
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.. code-block:: kv
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<SwipeToDeleteItem>:
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type_swipe: "auto"
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/auto-mdcard-swipe.gif
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:align: center
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Removing an item using the ``type_swipe = "auto"`` parameter
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------------------------------------------------------------
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The map provides the :attr:`MDCardSwipe.on_swipe_complete` event.
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You can use this event to remove items from a list:
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.. tabs::
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.. tab:: Declarative KV styles
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.. code-block:: kv
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<SwipeToDeleteItem>:
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on_swipe_complete: app.on_swipe_complete(root)
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.. tab:: Declarative python styles
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.. code-block:: kv
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.. code-block:: python
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MDCardSwipe(
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...
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on_swipe_complete=self.on_swipe_complete,
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)
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.. tabs::
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.. tab:: Imperative python styles
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.. code-block:: python
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def on_swipe_complete(self, instance):
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self.root.ids.md_list.remove_widget(instance)
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.. tab:: Decralative python styles
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.. code-block:: python
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def on_swipe_complete(self, instance):
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self.root.ids.box.ids.scroll.ids.md_list.remove_widget(instance)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/autodelete-mdcard-swipe.gif
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:align: center
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Add content to the bottom layer of the card
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-------------------------------------------
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To add content to the bottom layer of the card,
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use the :class:`~MDCardSwipeLayerBox` class.
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.. code-block:: kv
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<SwipeToDeleteItem>:
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MDCardSwipeLayerBox:
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padding: "8dp"
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MDIconButton:
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icon: "trash-can"
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pos_hint: {"center_y": .5}
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on_release: app.remove_item(root)
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End full code
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-------------
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.. tabs::
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|
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.. tab:: Declarative KV styles
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|
|
|
.. code-block:: python
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from kivy.lang import Builder
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from kivy.properties import StringProperty
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from kivymd.app import MDApp
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from kivymd.uix.card import MDCardSwipe
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KV = '''
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<SwipeToDeleteItem>:
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size_hint_y: None
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height: content.height
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MDCardSwipeLayerBox:
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padding: "8dp"
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MDIconButton:
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icon: "trash-can"
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pos_hint: {"center_y": .5}
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on_release: app.remove_item(root)
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MDCardSwipeFrontBox:
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OneLineListItem:
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id: content
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text: root.text
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_no_ripple_effect: True
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MDScreen:
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MDBoxLayout:
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orientation: "vertical"
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MDTopAppBar:
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elevation: 4
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title: "MDCardSwipe"
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MDScrollView:
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MDList:
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id: md_list
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padding: 0
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'''
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class SwipeToDeleteItem(MDCardSwipe):
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text = StringProperty()
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class Example(MDApp):
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.theme_cls.theme_style = "Dark"
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self.theme_cls.primary_palette = "Orange"
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self.screen = Builder.load_string(KV)
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def build(self):
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return self.screen
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def remove_item(self, instance):
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self.screen.ids.md_list.remove_widget(instance)
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def on_start(self):
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for i in range(20):
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self.screen.ids.md_list.add_widget(
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SwipeToDeleteItem(text=f"One-line item {i}")
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)
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Example().run()
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|
|
.. tab:: Decralative python styles
|
|
|
|
.. code-block:: python
|
|
|
|
from kivymd.app import MDApp
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from kivymd.uix.boxlayout import MDBoxLayout
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from kivymd.uix.button import MDIconButton
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from kivymd.uix.card import (
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MDCardSwipe, MDCardSwipeLayerBox, MDCardSwipeFrontBox
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)
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from kivymd.uix.list import MDList, OneLineListItem
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from kivymd.uix.screen import MDScreen
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from kivymd.uix.scrollview import MDScrollView
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from kivymd.uix.toolbar import MDTopAppBar
|
|
|
|
|
|
class Example(MDApp):
|
|
def build(self):
|
|
self.theme_cls.theme_style = "Dark"
|
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self.theme_cls.primary_palette = "Orange"
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return (
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MDScreen(
|
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MDBoxLayout(
|
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MDTopAppBar(
|
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elevation=4,
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title="MDCardSwipe",
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),
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MDScrollView(
|
|
MDList(
|
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id="md_list",
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),
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id="scroll",
|
|
scroll_timeout=100,
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),
|
|
id="box",
|
|
orientation="vertical",
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),
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)
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)
|
|
|
|
def on_start(self):
|
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'''Creates a list of cards.'''
|
|
|
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for i in range(20):
|
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self.root.ids.box.ids.scroll.ids.md_list.add_widget(
|
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MDCardSwipe(
|
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MDCardSwipeLayerBox(
|
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MDIconButton(
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icon="trash-can",
|
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pos_hint={"center_y": 0.5},
|
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on_release=self.remove_item,
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),
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),
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MDCardSwipeFrontBox(
|
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OneLineListItem(
|
|
id="content",
|
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text=f"One-line item {i}",
|
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_no_ripple_effect=True,
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)
|
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),
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size_hint_y=None,
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height="52dp",
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)
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)
|
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|
def remove_item(self, instance):
|
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self.root.ids.box.ids.scroll.ids.md_list.remove_widget(
|
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instance.parent.parent
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)
|
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|
|
|
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Example().run()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/handdelete-mdcard-swipe.gif
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|
:align: center
|
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|
|
Focus behavior
|
|
--------------
|
|
|
|
.. code-block:: kv
|
|
|
|
MDCard:
|
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focus_behavior: True
|
|
|
|
.. tabs::
|
|
|
|
.. tab:: Declarative KV styles
|
|
|
|
.. code-block:: python
|
|
|
|
from kivy.lang import Builder
|
|
|
|
from kivymd.app import MDApp
|
|
|
|
KV = '''
|
|
MDScreen:
|
|
|
|
MDCard:
|
|
size_hint: .7, .4
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|
focus_behavior: True
|
|
pos_hint: {"center_x": .5, "center_y": .5}
|
|
md_bg_color: "darkgrey"
|
|
unfocus_color: "darkgrey"
|
|
focus_color: "grey"
|
|
elevation: 6
|
|
'''
|
|
|
|
|
|
class Example(MDApp):
|
|
def build(self):
|
|
self.theme_cls.theme_style = "Dark"
|
|
return Builder.load_string(KV)
|
|
|
|
|
|
Example().run()
|
|
|
|
.. tab:: Declarative python styles
|
|
|
|
.. code-block:: python
|
|
|
|
from kivymd.app import MDApp
|
|
from kivymd.uix.card import MDCard
|
|
from kivymd.uix.screen import MDScreen
|
|
|
|
|
|
class Example(MDApp):
|
|
def build(self):
|
|
self.theme_cls.theme_style = "Dark"
|
|
return (
|
|
MDScreen(
|
|
MDCard(
|
|
size_hint=(0.7, 0.4),
|
|
focus_behavior=True,
|
|
pos_hint={"center_x": 0.5, "center_y": 0.5},
|
|
md_bg_color="darkgrey",
|
|
unfocus_color="darkgrey",
|
|
focus_color="grey",
|
|
elevation=6,
|
|
),
|
|
)
|
|
)
|
|
|
|
|
|
Example().run()
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/card-focus.gif
|
|
:align: center
|
|
|
|
Ripple behavior
|
|
---------------
|
|
|
|
.. code-block:: kv
|
|
|
|
MDCard:
|
|
ripple_behavior: True
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/card-behavior.gif
|
|
:align: center
|
|
|
|
"""
|
|
|
|
__all__ = (
|
|
"MDCard",
|
|
"MDCardSwipe",
|
|
"MDCardSwipeFrontBox",
|
|
"MDCardSwipeLayerBox",
|
|
"MDSeparator",
|
|
)
|
|
|
|
import os
|
|
from typing import Union
|
|
|
|
from kivy.animation import Animation
|
|
from kivy.clock import Clock
|
|
from kivy.lang import Builder
|
|
from kivy.metrics import dp
|
|
from kivy.properties import (
|
|
BooleanProperty,
|
|
ColorProperty,
|
|
NumericProperty,
|
|
OptionProperty,
|
|
StringProperty,
|
|
VariableListProperty,
|
|
)
|
|
from kivy.uix.boxlayout import BoxLayout
|
|
from kivy.utils import get_color_from_hex
|
|
|
|
from kivymd import uix_path
|
|
from kivymd.color_definitions import colors
|
|
from kivymd.theming import ThemableBehavior
|
|
from kivymd.uix.behaviors import (
|
|
BackgroundColorBehavior,
|
|
CommonElevationBehavior,
|
|
DeclarativeBehavior,
|
|
RectangularRippleBehavior,
|
|
)
|
|
from kivymd.uix.behaviors.focus_behavior import FocusBehavior
|
|
from kivymd.uix.boxlayout import MDBoxLayout
|
|
from kivymd.uix.relativelayout import MDRelativeLayout
|
|
|
|
with open(
|
|
os.path.join(uix_path, "card", "card.kv"), encoding="utf-8"
|
|
) as kv_file:
|
|
Builder.load_string(kv_file.read())
|
|
|
|
|
|
class MDSeparator(ThemableBehavior, MDBoxLayout):
|
|
"""A separator line."""
|
|
|
|
color = ColorProperty(None)
|
|
"""
|
|
Separator color.
|
|
|
|
:attr:`color` is a :class:`~kivy.properties.ColorProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
def __init__(self, **kwargs):
|
|
super().__init__(**kwargs)
|
|
self.on_orientation()
|
|
|
|
def on_orientation(self, *args) -> None:
|
|
self.size_hint = (
|
|
(1, None) if self.orientation == "horizontal" else (None, 1)
|
|
)
|
|
if self.orientation == "horizontal":
|
|
self.height = dp(1)
|
|
else:
|
|
self.width = dp(1)
|
|
|
|
|
|
class MDCard(
|
|
DeclarativeBehavior,
|
|
ThemableBehavior,
|
|
BackgroundColorBehavior,
|
|
RectangularRippleBehavior,
|
|
CommonElevationBehavior,
|
|
FocusBehavior,
|
|
BoxLayout,
|
|
):
|
|
focus_behavior = BooleanProperty(False)
|
|
"""
|
|
Using focus when hovering over a card.
|
|
|
|
:attr:`focus_behavior` is a :class:`~kivy.properties.BooleanProperty`
|
|
and defaults to `False`.
|
|
"""
|
|
|
|
ripple_behavior = BooleanProperty(False)
|
|
"""
|
|
Use ripple effect for card.
|
|
|
|
:attr:`ripple_behavior` is a :class:`~kivy.properties.BooleanProperty`
|
|
and defaults to `False`.
|
|
"""
|
|
|
|
radius = VariableListProperty([dp(6), dp(6), dp(6), dp(6)])
|
|
"""
|
|
Card radius by default.
|
|
|
|
.. versionadded:: 1.0.0
|
|
|
|
:attr:`radius` is an :class:`~kivy.properties.VariableListProperty`
|
|
and defaults to `[dp(6), dp(6), dp(6), dp(6)]`.
|
|
"""
|
|
|
|
style = OptionProperty(None, options=("filled", "elevated", "outlined"))
|
|
"""
|
|
Card type.
|
|
|
|
.. versionadded:: 1.0.0
|
|
|
|
Available options are: 'filled', 'elevated', 'outlined'.
|
|
|
|
:attr:`style` is an :class:`~kivy.properties.OptionProperty`
|
|
and defaults to `'elevated'`.
|
|
"""
|
|
|
|
_bg_color_map = (
|
|
get_color_from_hex(colors["Light"]["CardsDialogs"]),
|
|
get_color_from_hex(colors["Dark"]["CardsDialogs"]),
|
|
[1.0, 1.0, 1.0, 0.0],
|
|
)
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
self.theme_cls.bind(
|
|
material_style=self.set_style, theme_style=self.update_md_bg_color
|
|
)
|
|
Clock.schedule_once(self.set_style)
|
|
Clock.schedule_once(
|
|
lambda x: self.on_ripple_behavior(0, self.ripple_behavior)
|
|
)
|
|
self.update_md_bg_color(self, self.theme_cls.theme_style)
|
|
|
|
def update_md_bg_color(self, instance_card, theme_style: str) -> None:
|
|
if self.md_bg_color in self._bg_color_map:
|
|
self.md_bg_color = get_color_from_hex(
|
|
colors[theme_style]["CardsDialogs"]
|
|
)
|
|
|
|
def set_style(self, *args) -> None:
|
|
self.set_radius()
|
|
self.set_elevation()
|
|
self.set_line_color()
|
|
|
|
def set_line_color(self) -> None:
|
|
if self.theme_cls.material_style == "M3":
|
|
if self.style == "elevated" or self.style == "filled":
|
|
self.line_color = [0, 0, 0, 0]
|
|
|
|
def set_elevation(self) -> None:
|
|
if self.theme_cls.material_style == "M3":
|
|
if self.style == "outlined" or self.style == "filled":
|
|
self.elevation = 0
|
|
elif self.style == "elevated":
|
|
self.elevation = 2
|
|
|
|
def set_radius(self) -> None:
|
|
if (
|
|
self.radius == [dp(6), dp(6), dp(6), dp(6)]
|
|
and self.theme_cls.material_style == "M3"
|
|
):
|
|
self.radius = [dp(16), dp(16), dp(16), dp(16)]
|
|
elif (
|
|
self.radius == [dp(16), dp(16), dp(16), dp(16)]
|
|
and self.theme_cls.material_style == "M2"
|
|
):
|
|
self.radius = [dp(6), dp(6), dp(6), dp(6)]
|
|
|
|
def on_ripple_behavior(
|
|
self, interval: Union[int, float], value_behavior: bool
|
|
) -> None:
|
|
self._no_ripple_effect = False if value_behavior else True
|
|
|
|
|
|
class MDCardSwipe(MDRelativeLayout):
|
|
"""
|
|
:Events:
|
|
:attr:`on_swipe_complete`
|
|
Called when a swipe of card is completed.
|
|
"""
|
|
|
|
open_progress = NumericProperty(0.0)
|
|
"""
|
|
Percent of visible part of side panel. The percent is specified as a
|
|
floating point number in the range 0-1. 0.0 if panel is closed and 1.0 if
|
|
panel is opened.
|
|
|
|
:attr:`open_progress` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0.0`.
|
|
"""
|
|
|
|
opening_transition = StringProperty("out_cubic")
|
|
"""
|
|
The name of the animation transition type to use when animating to
|
|
the :attr:`state` `'opened'`.
|
|
|
|
:attr:`opening_transition` is a :class:`~kivy.properties.StringProperty`
|
|
and defaults to `'out_cubic'`.
|
|
"""
|
|
|
|
closing_transition = StringProperty("out_sine")
|
|
"""
|
|
The name of the animation transition type to use when animating to
|
|
the :attr:`state` 'closed'.
|
|
|
|
:attr:`closing_transition` is a :class:`~kivy.properties.StringProperty`
|
|
and defaults to `'out_sine'`.
|
|
"""
|
|
|
|
closing_interval = NumericProperty(0)
|
|
"""
|
|
Interval for closing the front layer.
|
|
|
|
.. versionadded:: 1.1.0
|
|
|
|
:attr:`closing_interval` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0`.
|
|
"""
|
|
|
|
anchor = OptionProperty("left", options=("left", "right"))
|
|
"""
|
|
Anchoring screen edge for card. Available options are: `'left'`, `'right'`.
|
|
|
|
:attr:`anchor` is a :class:`~kivy.properties.OptionProperty`
|
|
and defaults to `left`.
|
|
"""
|
|
|
|
swipe_distance = NumericProperty(50)
|
|
"""
|
|
The distance of the swipe with which the movement of navigation drawer
|
|
begins.
|
|
|
|
:attr:`swipe_distance` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `50`.
|
|
"""
|
|
|
|
opening_time = NumericProperty(0.2)
|
|
"""
|
|
The time taken for the card to slide to the :attr:`state` `'open'`.
|
|
|
|
:attr:`opening_time` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0.2`.
|
|
"""
|
|
|
|
state = OptionProperty("closed", options=("closed", "opened"))
|
|
"""
|
|
Detailed state. Sets before :attr:`state`. Bind to :attr:`state` instead
|
|
of :attr:`status`. Available options are: `'closed'`, `'opened'`.
|
|
|
|
:attr:`status` is a :class:`~kivy.properties.OptionProperty`
|
|
and defaults to `'closed'`.
|
|
"""
|
|
|
|
max_swipe_x = NumericProperty(0.3)
|
|
"""
|
|
If, after the events of :attr:`~on_touch_up` card position exceeds this
|
|
value - will automatically execute the method :attr:`~open_card`,
|
|
and if not - will automatically be :attr:`~close_card` method.
|
|
|
|
:attr:`max_swipe_x` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0.3`.
|
|
"""
|
|
|
|
max_opened_x = NumericProperty("100dp")
|
|
"""
|
|
The value of the position the card shifts to when :attr:`~type_swipe`
|
|
s set to `'hand'`.
|
|
|
|
:attr:`max_opened_x` is a :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `100dp`.
|
|
"""
|
|
|
|
type_swipe = OptionProperty("hand", options=("auto", "hand"))
|
|
"""
|
|
Type of card opening when swipe. Shift the card to the edge or to
|
|
a set position :attr:`~max_opened_x`. Available options are:
|
|
`'auto'`, `'hand'`.
|
|
|
|
:attr:`type_swipe` is a :class:`~kivy.properties.OptionProperty`
|
|
and defaults to `auto`.
|
|
"""
|
|
|
|
_opens_process = False
|
|
_to_closed = True
|
|
_distance = 0
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
self.register_event_type("on_swipe_complete")
|
|
super().__init__(*args, **kwargs)
|
|
|
|
def add_widget(self, widget, index=0, canvas=None):
|
|
if isinstance(widget, (MDCardSwipeFrontBox, MDCardSwipeLayerBox)):
|
|
return super().add_widget(widget)
|
|
|
|
def on_swipe_complete(self, *args):
|
|
"""Called when a swipe of card is completed."""
|
|
|
|
def on_anchor(
|
|
self, instance_swipe_to_delete_item, anchor_value: str
|
|
) -> None:
|
|
if anchor_value == "right":
|
|
self.open_progress = 1.0
|
|
else:
|
|
self.open_progress = 0.0
|
|
|
|
def on_open_progress(
|
|
self, instance_swipe_to_delete_item, progress_value: float
|
|
) -> None:
|
|
def on_open_progress(*args):
|
|
if self.anchor == "left":
|
|
self.children[0].x = self.width * progress_value
|
|
else:
|
|
self.children[0].x = self.width * progress_value - self.width
|
|
|
|
Clock.schedule_once(on_open_progress)
|
|
|
|
def on_touch_move(self, touch):
|
|
if self.collide_point(touch.x, touch.y):
|
|
self._distance += touch.dx
|
|
expr = False
|
|
|
|
if self.anchor == "left" and touch.dx >= 0:
|
|
expr = abs(self._distance) < self.swipe_distance
|
|
elif self.anchor == "right" and touch.dx < 0:
|
|
expr = abs(self._distance) > self.swipe_distance
|
|
|
|
if expr and not self._opens_process:
|
|
self._opens_process = True
|
|
self._to_closed = False
|
|
if self._opens_process:
|
|
self.open_progress = max(
|
|
min(self.open_progress + touch.dx / self.width, 2.5), 0
|
|
)
|
|
return super().on_touch_move(touch)
|
|
|
|
def on_touch_up(self, touch):
|
|
self._distance = 0
|
|
if self.collide_point(touch.x, touch.y):
|
|
if not self._to_closed:
|
|
self._opens_process = False
|
|
self.complete_swipe()
|
|
return super().on_touch_up(touch)
|
|
|
|
def on_touch_down(self, touch):
|
|
if self.collide_point(touch.x, touch.y):
|
|
if self.state == "opened":
|
|
self._to_closed = True
|
|
Clock.schedule_once(self.close_card, self.closing_interval)
|
|
return super().on_touch_down(touch)
|
|
|
|
def complete_swipe(self) -> None:
|
|
expr = (
|
|
self.open_progress <= self.max_swipe_x
|
|
if self.anchor == "left"
|
|
else self.open_progress >= self.max_swipe_x
|
|
)
|
|
if expr:
|
|
Clock.schedule_once(self.close_card, self.closing_interval)
|
|
else:
|
|
self.open_card()
|
|
|
|
def open_card(self) -> None:
|
|
if self.type_swipe == "hand":
|
|
swipe_x = (
|
|
self.max_opened_x
|
|
if self.anchor == "left"
|
|
else -self.max_opened_x
|
|
)
|
|
else:
|
|
swipe_x = self.width if self.anchor == "left" else 0
|
|
anim = Animation(
|
|
x=swipe_x, t=self.opening_transition, d=self.opening_time
|
|
)
|
|
anim.bind(on_complete=self._on_swipe_complete)
|
|
anim.start(self.children[0])
|
|
self.state = "opened"
|
|
|
|
def close_card(self, *args) -> None:
|
|
anim = Animation(x=0, t=self.closing_transition, d=self.opening_time)
|
|
anim.bind(on_complete=self._reset_open_progress)
|
|
anim.start(self.children[0])
|
|
self.state = "closed"
|
|
|
|
def _on_swipe_complete(self, *args):
|
|
self.dispatch("on_swipe_complete")
|
|
|
|
def _reset_open_progress(self, *args):
|
|
self.open_progress = 0.0 if self.anchor == "left" else 1.0
|
|
self._to_closed = False
|
|
self.dispatch("on_swipe_complete")
|
|
|
|
|
|
class MDCardSwipeFrontBox(MDCard):
|
|
pass
|
|
|
|
|
|
class MDCardSwipeLayerBox(MDBoxLayout):
|
|
pass
|