604 lines
17 KiB
Python
604 lines
17 KiB
Python
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"""
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Components/Dialog
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=================
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.. seealso::
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`Material Design spec, Dialogs <https://material.io/components/dialogs>`_
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.. rubric:: Dialogs inform users about a task and can contain critical
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information, require decisions, or involve multiple tasks.
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/dialogs.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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from kivymd.uix.button import MDFlatButton
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from kivymd.uix.dialog import MDDialog
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KV = '''
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FloatLayout:
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MDFlatButton:
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text: "ALERT DIALOG"
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pos_hint: {'center_x': .5, 'center_y': .5}
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on_release: app.show_alert_dialog()
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'''
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class Example(MDApp):
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dialog = None
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def build(self):
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return Builder.load_string(KV)
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def show_alert_dialog(self):
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if not self.dialog:
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self.dialog = MDDialog(
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text="Discard draft?",
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buttons=[
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MDFlatButton(
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text="CANCEL", text_color=self.theme_cls.primary_color
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),
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MDFlatButton(
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text="DISCARD", text_color=self.theme_cls.primary_color
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),
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],
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)
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self.dialog.open()
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Example().run()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/alert-dialog.png
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:align: center
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"""
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__all__ = ("MDDialog",)
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from kivy.clock import Clock
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from kivy.core.window import Window
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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 (
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ListProperty,
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NumericProperty,
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ObjectProperty,
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OptionProperty,
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StringProperty,
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)
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from kivy.uix.modalview import ModalView
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from kivymd.material_resources import DEVICE_TYPE
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from kivymd.theming import ThemableBehavior
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from kivymd.uix.button import BaseButton
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from kivymd.uix.card import MDSeparator
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from kivymd.uix.list import BaseListItem
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Builder.load_string(
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"""
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#:import images_path kivymd.images_path
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<BaseDialog>
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background: '{}/transparent.png'.format(images_path)
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canvas.before:
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PushMatrix
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RoundedRectangle:
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pos: self.pos
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size: self.size
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radius: [5]
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Scale:
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origin: self.center
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x: root._scale_x
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y: root._scale_y
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canvas.after:
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PopMatrix
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<MDDialog>
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MDCard:
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id: container
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orientation: "vertical"
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size_hint_y: None
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height: self.minimum_height
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elevation: 4
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md_bg_color: 0, 0, 0, 0
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padding: "24dp", "24dp", "8dp", "8dp"
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canvas:
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Color:
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rgba: root.md_bg_color
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RoundedRectangle:
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pos: self.pos
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size: self.size
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radius: root.radius
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MDLabel:
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id: title
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text: root.title
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font_style: "H6"
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bold: True
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markup: True
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size_hint_y: None
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height: self.texture_size[1]
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valign: "top"
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BoxLayout:
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id: spacer_top_box
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size_hint_y: None
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height: root._spacer_top
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MDLabel:
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id: text
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text: root.text
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font_style: "Body1"
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theme_text_color: "Custom"
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text_color: root.theme_cls.disabled_hint_text_color
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size_hint_y: None
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height: self.texture_size[1]
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markup: True
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ScrollView:
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id: scroll
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size_hint_y: None
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height: root._scroll_height
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MDGridLayout:
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id: box_items
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adaptive_height: True
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cols: 1
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BoxLayout:
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id: spacer_bottom_box
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size_hint_y: None
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height: self.minimum_height
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AnchorLayout:
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id: root_button_box
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size_hint_y: None
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height: "52dp"
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anchor_x: "right"
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MDBoxLayout:
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id: button_box
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adaptive_size: True
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spacing: "8dp"
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"""
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)
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class BaseDialog(ThemableBehavior, ModalView):
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_scale_x = NumericProperty(1)
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_scale_y = NumericProperty(1)
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class MDDialog(BaseDialog):
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title = StringProperty()
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"""
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Title dialog.
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.. code-block:: python
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self.dialog = MDDialog(
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title="Reset settings?",
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buttons=[
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MDFlatButton(
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text="CANCEL", text_color=self.theme_cls.primary_color
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),
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MDFlatButton(
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text="ACCEPT", text_color=self.theme_cls.primary_color
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),
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],
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/dialog-title.png
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:align: center
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:attr:`title` is an :class:`~kivy.properties.StringProperty`
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and defaults to `''`.
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"""
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text = StringProperty()
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"""
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Text dialog.
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.. code-block:: python
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self.dialog = MDDialog(
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title="Reset settings?",
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text="This will reset your device to its default factory settings.",
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buttons=[
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MDFlatButton(
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text="CANCEL", text_color=self.theme_cls.primary_color
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),
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MDFlatButton(
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text="ACCEPT", text_color=self.theme_cls.primary_color
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),
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],
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/dialog-text.png
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:align: center
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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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radius = ListProperty([7, 7, 7, 7])
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"""
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Dialog corners rounding value.
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.. code-block:: python
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self.dialog = MDDialog(
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text="Oops! Something seems to have gone wrong!",
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radius=[20, 7, 20, 7],
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/dialog-radius.png
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:align: center
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:attr:`radius` is an :class:`~kivy.properties.ListProperty`
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and defaults to `[7, 7, 7, 7]`.
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"""
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buttons = ListProperty()
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"""
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List of button objects for dialog.
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Objects must be inherited from :class:`~kivymd.uix.button.BaseButton` class.
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.. code-block:: python
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self.dialog = MDDialog(
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text="Discard draft?",
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buttons=[
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MDFlatButton(text="CANCEL"), MDRaisedButton(text="DISCARD"),
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],
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/dialog-buttons.png
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:align: center
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:attr:`buttons` is an :class:`~kivy.properties.ListProperty`
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and defaults to `[]`.
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"""
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items = ListProperty()
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"""
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List of items objects for dialog.
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Objects must be inherited from :class:`~kivymd.uix.list.BaseListItem` class.
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With type 'simple'
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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 kivy.properties import StringProperty
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from kivymd.app import MDApp
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from kivymd.uix.dialog import MDDialog
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from kivymd.uix.list import OneLineAvatarListItem
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KV = '''
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<Item>
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ImageLeftWidget:
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source: root.source
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FloatLayout:
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MDFlatButton:
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text: "ALERT DIALOG"
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pos_hint: {'center_x': .5, 'center_y': .5}
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on_release: app.show_simple_dialog()
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'''
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class Item(OneLineAvatarListItem):
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divider = None
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source = StringProperty()
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class Example(MDApp):
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dialog = None
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def build(self):
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return Builder.load_string(KV)
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def show_simple_dialog(self):
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if not self.dialog:
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self.dialog = MDDialog(
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title="Set backup account",
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type="simple",
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items=[
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Item(text="user01@gmail.com", source="user-1.png"),
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Item(text="user02@gmail.com", source="user-2.png"),
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Item(text="Add account", source="add-icon.png"),
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],
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)
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self.dialog.open()
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Example().run()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/dialog-items.png
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:align: center
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With type 'confirmation'
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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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from kivymd.uix.button import MDFlatButton
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from kivymd.uix.dialog import MDDialog
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from kivymd.uix.list import OneLineAvatarIconListItem
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KV = '''
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<ItemConfirm>
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on_release: root.set_icon(check)
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CheckboxLeftWidget:
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id: check
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group: "check"
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FloatLayout:
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MDFlatButton:
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text: "ALERT DIALOG"
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pos_hint: {'center_x': .5, 'center_y': .5}
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on_release: app.show_confirmation_dialog()
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'''
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class ItemConfirm(OneLineAvatarIconListItem):
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divider = None
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def set_icon(self, instance_check):
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instance_check.active = True
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check_list = instance_check.get_widgets(instance_check.group)
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for check in check_list:
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if check != instance_check:
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check.active = False
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class Example(MDApp):
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dialog = None
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def build(self):
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return Builder.load_string(KV)
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def show_confirmation_dialog(self):
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if not self.dialog:
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self.dialog = MDDialog(
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title="Phone ringtone",
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type="confirmation",
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items=[
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ItemConfirm(text="Callisto"),
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ItemConfirm(text="Luna"),
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ItemConfirm(text="Night"),
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ItemConfirm(text="Solo"),
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ItemConfirm(text="Phobos"),
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ItemConfirm(text="Diamond"),
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ItemConfirm(text="Sirena"),
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ItemConfirm(text="Red music"),
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ItemConfirm(text="Allergio"),
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ItemConfirm(text="Magic"),
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ItemConfirm(text="Tic-tac"),
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],
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buttons=[
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MDFlatButton(
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text="CANCEL", text_color=self.theme_cls.primary_color
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),
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MDFlatButton(
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text="OK", text_color=self.theme_cls.primary_color
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),
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],
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)
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self.dialog.open()
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Example().run()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/dialog-confirmation.png
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:align: center
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:attr:`items` is an :class:`~kivy.properties.ListProperty`
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|
|
and defaults to `[]`.
|
||
|
|
"""
|
||
|
|
|
||
|
|
type = OptionProperty(
|
||
|
|
"alert", options=["alert", "simple", "confirmation", "custom"]
|
||
|
|
)
|
||
|
|
"""
|
||
|
|
Dialog type.
|
||
|
|
Available option are `'alert'`, `'simple'`, `'confirmation'`, `'custom'`.
|
||
|
|
|
||
|
|
:attr:`type` is an :class:`~kivy.properties.OptionProperty`
|
||
|
|
and defaults to `'alert'`.
|
||
|
|
"""
|
||
|
|
|
||
|
|
content_cls = ObjectProperty()
|
||
|
|
"""
|
||
|
|
Custom content class.
|
||
|
|
|
||
|
|
.. code-block::
|
||
|
|
|
||
|
|
from kivy.lang import Builder
|
||
|
|
from kivy.uix.boxlayout import BoxLayout
|
||
|
|
|
||
|
|
from kivymd.app import MDApp
|
||
|
|
from kivymd.uix.button import MDFlatButton
|
||
|
|
from kivymd.uix.dialog import MDDialog
|
||
|
|
|
||
|
|
KV = '''
|
||
|
|
<Content>
|
||
|
|
orientation: "vertical"
|
||
|
|
spacing: "12dp"
|
||
|
|
size_hint_y: None
|
||
|
|
height: "120dp"
|
||
|
|
|
||
|
|
MDTextField:
|
||
|
|
hint_text: "City"
|
||
|
|
|
||
|
|
MDTextField:
|
||
|
|
hint_text: "Street"
|
||
|
|
|
||
|
|
|
||
|
|
FloatLayout:
|
||
|
|
|
||
|
|
MDFlatButton:
|
||
|
|
text: "ALERT DIALOG"
|
||
|
|
pos_hint: {'center_x': .5, 'center_y': .5}
|
||
|
|
on_release: app.show_confirmation_dialog()
|
||
|
|
'''
|
||
|
|
|
||
|
|
|
||
|
|
class Content(BoxLayout):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class Example(MDApp):
|
||
|
|
dialog = None
|
||
|
|
|
||
|
|
def build(self):
|
||
|
|
return Builder.load_string(KV)
|
||
|
|
|
||
|
|
def show_confirmation_dialog(self):
|
||
|
|
if not self.dialog:
|
||
|
|
self.dialog = MDDialog(
|
||
|
|
title="Address:",
|
||
|
|
type="custom",
|
||
|
|
content_cls=Content(),
|
||
|
|
buttons=[
|
||
|
|
MDFlatButton(
|
||
|
|
text="CANCEL", text_color=self.theme_cls.primary_color
|
||
|
|
),
|
||
|
|
MDFlatButton(
|
||
|
|
text="OK", text_color=self.theme_cls.primary_color
|
||
|
|
),
|
||
|
|
],
|
||
|
|
)
|
||
|
|
self.dialog.open()
|
||
|
|
|
||
|
|
|
||
|
|
Example().run()
|
||
|
|
|
||
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/dialog-custom.png
|
||
|
|
:align: center
|
||
|
|
|
||
|
|
:attr:`content_cls` is an :class:`~kivy.properties.ObjectProperty`
|
||
|
|
and defaults to `'None'`.
|
||
|
|
"""
|
||
|
|
|
||
|
|
md_bg_color = ListProperty()
|
||
|
|
"""
|
||
|
|
Background color in the format (r, g, b, a).
|
||
|
|
|
||
|
|
:attr:`md_bg_color` is an :class:`~kivy.properties.ListProperty`
|
||
|
|
and defaults to `[]`.
|
||
|
|
"""
|
||
|
|
|
||
|
|
_scroll_height = NumericProperty("28dp")
|
||
|
|
_spacer_top = NumericProperty("24dp")
|
||
|
|
|
||
|
|
def __init__(self, **kwargs):
|
||
|
|
super().__init__(**kwargs)
|
||
|
|
|
||
|
|
self.md_bg_color = (
|
||
|
|
self.theme_cls.bg_dark if not self.md_bg_color else self.md_bg_color
|
||
|
|
)
|
||
|
|
|
||
|
|
if self.size_hint == [1, 1] and DEVICE_TYPE == "mobile":
|
||
|
|
self.size_hint = (None, None)
|
||
|
|
self.width = dp(280)
|
||
|
|
elif self.size_hint == [1, 1] and DEVICE_TYPE == "desktop":
|
||
|
|
self.size_hint = (None, None)
|
||
|
|
self.width = dp(560)
|
||
|
|
|
||
|
|
if not self.title:
|
||
|
|
self._spacer_top = 0
|
||
|
|
|
||
|
|
if not self.buttons:
|
||
|
|
self.ids.root_button_box.height = 0
|
||
|
|
else:
|
||
|
|
self.create_buttons()
|
||
|
|
|
||
|
|
update_height = False
|
||
|
|
if self.type in ("simple", "confirmation"):
|
||
|
|
if self.type == "confirmation":
|
||
|
|
self.ids.spacer_top_box.add_widget(MDSeparator())
|
||
|
|
self.ids.spacer_bottom_box.add_widget(MDSeparator())
|
||
|
|
self.create_items()
|
||
|
|
if self.type == "custom":
|
||
|
|
if self.content_cls:
|
||
|
|
self.ids.container.remove_widget(self.ids.scroll)
|
||
|
|
self.ids.container.remove_widget(self.ids.text)
|
||
|
|
self.ids.spacer_top_box.add_widget(self.content_cls)
|
||
|
|
self.ids.spacer_top_box.padding = (0, "24dp", "16dp", 0)
|
||
|
|
update_height = True
|
||
|
|
if self.type == "alert":
|
||
|
|
self.ids.scroll.bar_width = 0
|
||
|
|
|
||
|
|
if update_height:
|
||
|
|
Clock.schedule_once(self.update_height)
|
||
|
|
|
||
|
|
def update_height(self, *_):
|
||
|
|
self._spacer_top = self.content_cls.height + dp(24)
|
||
|
|
|
||
|
|
def on_open(self):
|
||
|
|
# TODO: Add scrolling text.
|
||
|
|
self.height = self.ids.container.height
|
||
|
|
|
||
|
|
def set_normal_height(self):
|
||
|
|
self.size_hint_y = 0.8
|
||
|
|
|
||
|
|
def get_normal_height(self):
|
||
|
|
return (
|
||
|
|
(Window.height * 80 / 100)
|
||
|
|
- self._spacer_top
|
||
|
|
- dp(52)
|
||
|
|
- self.ids.container.padding[1]
|
||
|
|
- self.ids.container.padding[-1]
|
||
|
|
- 100
|
||
|
|
)
|
||
|
|
|
||
|
|
def edit_padding_for_item(self, instance_item):
|
||
|
|
instance_item.ids._left_container.x = 0
|
||
|
|
instance_item._txt_left_pad = "56dp"
|
||
|
|
|
||
|
|
def create_items(self):
|
||
|
|
self.ids.container.remove_widget(self.ids.text)
|
||
|
|
height = 0
|
||
|
|
|
||
|
|
for item in self.items:
|
||
|
|
if issubclass(item.__class__, BaseListItem):
|
||
|
|
height += item.height # calculate height contents
|
||
|
|
self.edit_padding_for_item(item)
|
||
|
|
self.ids.box_items.add_widget(item)
|
||
|
|
|
||
|
|
if height > Window.height:
|
||
|
|
self.set_normal_height()
|
||
|
|
self.ids.scroll.height = self.get_normal_height()
|
||
|
|
else:
|
||
|
|
self.ids.scroll.height = height
|
||
|
|
|
||
|
|
def create_buttons(self):
|
||
|
|
for button in self.buttons:
|
||
|
|
if issubclass(button.__class__, BaseButton):
|
||
|
|
self.ids.button_box.add_widget(button)
|