582 lines
15 KiB
Python
Executable File
582 lines
15 KiB
Python
Executable File
"""
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Components/Chip
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===============
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.. seealso::
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`Material Design spec, Chips <https://material.io/components/chips>`_
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.. rubric:: Chips are compact elements that represent an input, attribute, or action.
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chips.png
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:align: center
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Usage
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-----
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.. code-block:: python
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from kivy.lang import Builder
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from kivymd.app import MDApp
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KV = '''
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MDScreen:
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MDChip:
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text: "Portland"
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pos_hint: {"center_x": .5, "center_y": .5}
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on_release: app.on_release_chip(self)
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'''
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class Test(MDApp):
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def build(self):
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return Builder.load_string(KV)
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def on_release_chip(self, instance_check):
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print(instance_check)
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Test().run()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/ordinary-chip.png
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:align: center
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Use with right icon
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-------------------
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.. code-block:: kv
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MDChip:
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text: "Portland"
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icon_right: "close-circle-outline"
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-with-right-icon.png
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:align: center
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Use with left icon
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------------------
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.. code-block:: kv
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MDChip:
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text: "Portland"
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icon_left: "map-marker"
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-with-left-icon.png
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:align: center
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Use with custom left icon
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-------------------------
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.. code-block:: kv
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MDChip:
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text: "Portland"
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icon_left: "avatar.png"
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-with-custom-left-icon.png
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:align: center
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Use with left and right icon
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----------------------------
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.. code-block:: kv
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MDChip:
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text: "Portland"
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icon_left: "avatar.png"
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icon_right: "close-circle-outline"
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-with-left-right-icon.png
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:align: center
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Use with outline
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----------------
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.. code-block:: kv
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MDChip:
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text: "Portland"
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icon_left: "avatar.png"
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icon_right: "close-circle-outline"
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line_color: app.theme_cls.disabled_hint_text_color
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-with-outline.png
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:align: center
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Use with custom color
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---------------------
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.. code-block:: kv
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MDChip:
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text: "Portland"
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icon_left: "avatar.png"
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icon_right: "close-circle-outline"
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line_color: app.theme_cls.disabled_hint_text_color
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md_bg_color: 1, 0, 0, .5
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-with-custom-color.png
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:align: center
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Use with elevation
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------------------
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.. code-block:: kv
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MDChip:
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text: "Portland"
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icon_left: "avatar.png"
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icon_right: "close-circle-outline"
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line_color: app.theme_cls.disabled_hint_text_color
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md_bg_color: 1, 0, 0, .5
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elevation: 4
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-with-elevation.png
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:align: center
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Behavior
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========
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Long press on the chip, it will be marked.
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When you click on the marked chip, the mark will be removed:
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-activate.gif
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:align: center
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Examples
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========
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Multiple choose
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---------------
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Selecting a single choice chip automatically deselects all other chips in the set.
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.. code-block:: python
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from kivy.animation import Animation
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from kivy.lang import Builder
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from kivymd.uix.screen import MDScreen
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from kivymd.uix.chip import MDChip
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from kivymd.app import MDApp
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KV = '''
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<MyScreen>
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MDBoxLayout:
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orientation: "vertical"
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adaptive_size: True
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spacing: "12dp"
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padding: "56dp"
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pos_hint: {"center_x": .5, "center_y": .5}
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MDLabel:
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text: "Multiple choice"
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bold: True
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font_style: "H5"
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adaptive_size: True
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MDBoxLayout:
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id: chip_box
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adaptive_size: True
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spacing: "8dp"
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MyChip:
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text: "Elevator"
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on_press: if self.active: root.removes_marks_all_chips()
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MyChip:
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text: "Washer / Dryer"
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on_press: if self.active: root.removes_marks_all_chips()
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MyChip:
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text: "Fireplace"
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on_press: if self.active: root.removes_marks_all_chips()
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ScreenManager:
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MyScreen:
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'''
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class MyChip(MDChip):
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icon_check_color = (0, 0, 0, 1)
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text_color = (0, 0, 0, 0.5)
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_no_ripple_effect = True
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.bind(active=self.set_chip_bg_color)
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self.bind(active=self.set_chip_text_color)
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def set_chip_bg_color(self, instance_chip, active_value: int):
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'''
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Will be called every time the chip is activated/deactivated.
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Sets the background color of the chip.
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'''
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self.md_bg_color = (
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(0, 0, 0, 0.4)
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if active_value
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else (
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self.theme_cls.bg_darkest
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if self.theme_cls.theme_style == "Light"
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else (
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self.theme_cls.bg_light
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if not self.disabled
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else self.theme_cls.disabled_hint_text_color
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)
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)
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)
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def set_chip_text_color(self, instance_chip, active_value: int):
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Animation(
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color=(0, 0, 0, 1) if active_value else (0, 0, 0, 0.5), d=0.2
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).start(self.ids.label)
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class MyScreen(MDScreen):
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def removes_marks_all_chips(self):
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for instance_chip in self.ids.chip_box.children:
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if instance_chip.active:
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instance_chip.active = False
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class Test(MDApp):
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def build(self):
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return Builder.load_string(KV)
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Test().run()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-multiple-choose.gif
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:align: center
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Only choose
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-----------
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Only one chip will be selected.
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.. code-block:: python
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KV = '''
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<MyScreen>
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[...]
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MDBoxLayout:
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id: chip_box
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adaptive_size: True
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spacing: "8dp"
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MyChip:
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text: "Elevator"
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on_active: if self.active: root.removes_marks_all_chips(self)
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MyChip:
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text: "Washer / Dryer"
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on_active: if self.active: root.removes_marks_all_chips(self)
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MyChip:
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text: "Fireplace"
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on_active: if self.active: root.removes_marks_all_chips(self)
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[...]
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'''
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class MyScreen(MDScreen):
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def removes_marks_all_chips(self, selected_instance_chip):
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for instance_chip in self.ids.chip_box.children:
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if instance_chip != selected_instance_chip:
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instance_chip.active = False
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/chip-only-choose.gif
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:align: center
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"""
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__all__ = ("MDChip",)
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import os
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from kivy.animation import Animation
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from kivy.lang import Builder
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from kivy.metrics import dp
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from kivy.properties import BooleanProperty, ColorProperty, StringProperty
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from kivy.uix.behaviors import ButtonBehavior
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from kivymd import uix_path
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from kivymd.theming import ThemableBehavior
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from kivymd.uix.behaviors import (
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CommonElevationBehavior,
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RectangularRippleBehavior,
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ScaleBehavior,
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TouchBehavior,
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)
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from kivymd.uix.boxlayout import MDBoxLayout
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from kivymd.uix.label import MDIcon
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with open(
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os.path.join(uix_path, "chip", "chip.kv"), encoding="utf-8"
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) as kv_file:
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Builder.load_string(kv_file.read())
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class MDChip(
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MDBoxLayout,
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ThemableBehavior,
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RectangularRippleBehavior,
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ButtonBehavior,
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CommonElevationBehavior,
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TouchBehavior,
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):
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text = StringProperty()
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"""
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Chip text.
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:attr:`text` is an :class:`~kivy.properties.StringProperty`
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and defaults to `''`.
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"""
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icon_left = StringProperty()
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"""
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Chip left icon.
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.. versionadded:: 1.0.0
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:attr:`icon_left` is an :class:`~kivy.properties.StringProperty`
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and defaults to `''`.
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"""
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icon_right = StringProperty()
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"""
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Chip right icon.
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.. versionadded:: 1.0.0
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:attr:`icon_right` is an :class:`~kivy.properties.StringProperty`
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and defaults to `''`.
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"""
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text_color = ColorProperty(None)
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"""
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Chip's text color in ``rgba`` format.
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:attr:`text_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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icon_right_color = ColorProperty(None)
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"""
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Chip's right icon color in ``rgba`` format.
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.. versionadded:: 1.0.0
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:attr:`icon_right_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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icon_left_color = ColorProperty(None)
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"""
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Chip's left icon color in ``rgba`` format.
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.. versionadded:: 1.0.0
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:attr:`icon_left_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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icon_check_color = ColorProperty(None)
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"""
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Chip's check icon color in ``rgba`` format.
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.. versionadded:: 1.0.0
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:attr:`icon_check_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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active = BooleanProperty(False)
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"""
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Whether the check is marked or not.
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.. versionadded:: 1.0.0
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:attr:`active` is an :class:`~kivy.properties.BooleanProperty`
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and defaults to `False`.
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"""
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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def on_long_touch(self, *args) -> None:
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if self.active:
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return
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self.active = True if not self.active else False
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def on_active(self, instance_check, active_value: bool) -> None:
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if active_value:
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self.do_animation_check((0, 0, 0, 0.4), 1)
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else:
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self.do_animation_check((0, 0, 0, 0), 0)
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def do_animation_check(self, md_bg_color: list, scale_value: int) -> None:
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Animation(md_bg_color=md_bg_color, t="out_sine", d=0.1).start(
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self.ids.icon_left_box
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)
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Animation(
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scale_value_x=scale_value,
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scale_value_y=scale_value,
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scale_value_z=scale_value,
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t="out_sine",
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d=0.1,
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).start(self.ids.check_icon)
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if not self.icon_left:
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if scale_value:
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self.ids.check_icon.x = -dp(4)
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Animation(size=(dp(24), dp(24)), t="out_sine", d=0.1).start(
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self.ids.relative_box
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)
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else:
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self.ids.check_icon.x = 0
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Animation(size=(0, 0), t="out_sine", d=0.1).start(
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self.ids.relative_box
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)
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def on_press(self, *args):
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if self.active:
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self.active = False
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class MDScalableCheckIcon(MDIcon, ScaleBehavior):
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pos_hint = {"center_y": 0.5}
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if __name__ == "__main__":
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from kivymd.app import MDApp
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from kivymd.uix.screen import MDScreen
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KV = """
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<MyScreen>
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MDBoxLayout:
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orientation: "vertical"
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adaptive_size: True
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spacing: "12dp"
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padding: "56dp"
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pos_hint: {"center_x": .5, "center_y": .5}
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MDLabel:
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text: "Multiple choose"
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bold: True
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font_style: "H5"
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adaptive_size: True
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MDBoxLayout:
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id: chip_box
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adaptive_size: True
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spacing: "8dp"
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MyChip:
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text: "Elevator"
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on_press: if self.active: root.removes_marks_all_chips()
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MyChip:
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text: "Washer / Dryer"
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on_press: if self.active: root.removes_marks_all_chips()
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MyChip:
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text: "Fireplace"
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on_press: if self.active: root.removes_marks_all_chips()
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MDSeparator:
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MDLabel:
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text: "Only choose"
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bold: True
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font_style: "H5"
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adaptive_size: True
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MDBoxLayout:
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id: chip_only_box
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adaptive_size: True
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spacing: "8dp"
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MyChip:
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text: "Elevator"
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on_active: if self.active: root.removes_marks_all_chips(self, False)
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MyChip:
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text: "Washer / Dryer"
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on_active: if self.active: root.removes_marks_all_chips(self, False)
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MyChip:
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text: "Fireplace"
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on_active: if self.active: root.removes_marks_all_chips(self, False)
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ScreenManager:
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MyScreen:
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"""
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class MyChip(MDChip):
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icon_check_color = (0, 0, 0, 1)
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text_color = (0, 0, 0, 0.5)
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_no_ripple_effect = True
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.bind(active=self.set_chip_bg_color)
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self.bind(active=self.set_chip_text_color)
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def set_chip_bg_color(self, instance_chip, active_value: int):
|
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"""
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Will be called every time the chip is activated/deactivated.
|
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Sets the background color of the chip.
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"""
|
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self.md_bg_color = (
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(0, 0, 0, 0.4)
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if active_value
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else (
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self.theme_cls.bg_darkest
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if self.theme_cls.theme_style == "Light"
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else (
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self.theme_cls.bg_light
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if not self.disabled
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else self.theme_cls.disabled_hint_text_color
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)
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)
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)
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def set_chip_text_color(self, instance_chip, active_value: int):
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Animation(
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color=(0, 0, 0, 1) if active_value else (0, 0, 0, 0.5), d=0.2
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).start(self.ids.label)
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class MyScreen(MDScreen):
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def removes_marks_all_chips(
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self, selected_instance_chip=None, multiple=True
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):
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if multiple:
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for instance_chip in self.ids.chip_box.children:
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if instance_chip.active:
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instance_chip.active = False
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else:
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for instance_chip in self.ids.chip_only_box.children:
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if instance_chip != selected_instance_chip:
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instance_chip.active = False
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|
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class Test(MDApp):
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def build(self):
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return Builder.load_string(KV)
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|
|
Test().run()
|