class MaterialCheckBox(ThemeBehaviour, CircularRippleBehavior, ToggleButtonBehavior, Label):
_bg_color_down = ListProperty([1, 1, 1, 0])
def _get_bg_color_down(self):
return self._bg_color_down
def _set_bg_color_down(self, color, alpha=None):
if len(color) == 2:
self._bg_color_down = get_rgba_color(color, control_alpha=alpha)
elif len(color) == 4:
self._bg_color_down = color
background_color_down = AliasProperty(_get_bg_color_down, _set_bg_color_down,
bind=('_bg_color_down', ))
_bg_color_disabled = ListProperty([1, 1, 1, 0])
def _get_bg_color_disabled(self):
return self._bg_color_disabled
def _set_bg_color_disabled(self, color, alpha=None):
if len(color) == 2:
self._bg_color_disabled = get_rgba_color(color, control_alpha=alpha)
elif len(color) == 4:
self._bg_color_disabled = color
background_color_disabled = AliasProperty(_get_bg_color_disabled, _set_bg_color_disabled,
bind=('_bg_color_disabled', ))
active = BooleanProperty(False)
_icon_normal = StringProperty(u"{}".format(get_icon_char('md-check-box-outline-blank')))
_icon_active = StringProperty(u"{}".format(get_icon_char('md-check-box')))
def __init__(self, **kwargs):
super(MaterialCheckBox, self).__init__(**kwargs)
self.register_event_type('on_active')
self.color = self._theme_cls.secondary_text_color()
self.check_anim_out = Animation(font_size=0, duration=.1, t='out_quad')
self.check_anim_in = Animation(font_size=sp(24), duration=.1, t='out_quad')
self.check_anim_in.bind(on_complete=self._set_state)
self.check_anim_out.bind(on_complete=lambda *x: self.check_anim_in.start(self))
def on_release(self):
Animation.cancel_all(self, '_size')
self.check_anim_out.start(self)
def _set_state(self, *args):
if self.state == 'down':
self.active = True
self.color = self._theme_cls.primary_color
else:
self.active = False
self.color = self._theme_cls.secondary_text_color()
def on_active(self, instance, value):
self.state = 'down' if value else 'normal'
def on_font_style(self, instance, style):
self.font_style = style
if self.font_style == 'Button':
self.halign = 'center'
self.valign = 'middle'
if self.font_style == 'Icon':
self.text = u"{}".format(get_icon_char(self.icon))
self.font_name = self._font_styles[self.font_style][0]
self.bold = self._font_styles[self.font_style][1]
self.font_size = sp(self._font_styles[self.font_style][2])
def on_font_style(self, instance, style):
self.font_style = style
if self.font_style == 'Button':
self.halign = 'center'
self.valign = 'middle'
if self.font_style == 'Icon':
self.text = u"{}".format(get_icon_char(self.icon))
self.font_name = self._font_styles[self.font_style][0]
self.bold = self._font_styles[self.font_style][1]
self.font_size = sp(self._font_styles[self.font_style][2])
def on_icon(self, instance, icon):
if self.font_style == 'Icon':
self.text = u"{}".format(get_icon_char(self.icon))
def on_icon(self, instance, icon):
if self.font_style == 'Icon':
self.text = u"{}".format(get_icon_char(self.icon))
