kivyblocks/kivyblocks/toggleitems.py
2020-12-04 23:12:28 +08:00

118 lines
2.8 KiB
Python

from functools import partial
from kivy.uix.behaviors import TouchRippleButtonBehavior
from kivy.graphics import Color, Rectangle
from kivy.uix.boxlayout import BoxLayout
from kivy.factory import Factory
from kivyblocks.ready import WidgetReady
from kivyblocks.bgcolorbehavior import BGColorBehavior
from kivyblocks.utils import CSize
class PressableBox(BGColorBehavior, TouchRippleButtonBehavior, BoxLayout):
def __init__(self,border_width=1,
color_level=-1,
radius=[],
**kw):
BoxLayout.__init__(self, padding=[border_width,
border_width,
border_width,
border_width],
**kw)
TouchRippleButtonBehavior.__init__(self)
BGColorBehavior.__init__(self,color_level=color_level,
radius=radius)
self.border_width = border_width
self.user_data = None
self.unselected()
def on_press(self,o=None):
self.selected()
def set_data(self,d):
self.user_data = d
def get_data(self):
return self.user_data
class ToggleItems(BGColorBehavior, BoxLayout):
def __init__(self,
color_level=1,
radius=[],
orientation='horizontal',
unit_size=3,
items_desc=[],
border_width=1,
**kw):
self.unit_size_pix = CSize(unit_size)
kw1 = {
"orientation":orientation
}
kw1.update(kw)
if orientation=='horizontal':
kw1['size_hint_y'] = None
kw1['height'] = self.unit_size_pix
kw1['size_hint_min_x'] = self.unit_size_pix
else:
kw1['size_hint_x'] = None
kw1['width'] = self.unit_size_pix
kw1['size_hint_min_y'] = self.unit_size_pix
BoxLayout.__init__(self, **kw1)
BGColorBehavior.__init__(self,
color_level=color_level,
radius=radius)
self.item_widgets = []
kw = {
"border_width":border_width,
"color_level":color_level,
"radius":radius
}
kw.update(kw1)
for desc in items_desc:
c = PressableBox(**kw)
d = desc.get('data')
if d:
c.set_data(d)
self.item_widgets.append(c)
self.add_widget(c)
c.bind(on_press=self.select_item)
b = Factory.Blocks()
def cb(c,o,w):
c.add_widget(w)
def eb(desc,o,e):
print(desc,'error',e)
b.bind(on_built=partial(cb,c))
b.bind(on_failed=partial(eb,desc))
b.widgetBuild(desc)
if len(self.item_widgets) > 0:
self.item_widgets[0].selected()
else:
print('items_desc=',items_desc,'error')
self.register_event_type('on_press')
def on_press(self,v=None):
print('Toggle on_changed fired')
pass
def select_item(self,o=None):
[i.unselected() for i in self.item_widgets if i != o]
self.dispatch('on_press',o.get_data())
def getValue(self):
for i in self.item_widgets:
if i.is_selected():
return i.get_data()
return None
def setValue(self,v):
for i in self.item_widgets:
if i.get_data() == v:
i.selected()
self.select_iten(i)
return
Factory.register('PressableBox',PressableBox)
Factory.register('ToggleItems',ToggleItems)