import pdb
import sys
sys.path.append( '..' )
from kivy.app import App
from kivy.atlas import Atlas
from kivy.cache import Cache
from kivy.clock import Clock
from kivy.lang import Builder
from kivy.metrics import dp
from kivy.properties import *
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button
from kivy.uix.gridlayout import GridLayout
from kivy.uix.label import Label
from material_ui.navigation.form import Form
from material_ui.navigation.error import ErrorForm
from material_ui.navigation.nonetwork import NoNetworkForm
from material_ui.flatui.flatui import FloatingAction
from material_ui.flatui.popups import AlertPopup, FlatPopup, PopupComboBox, PopupListView
from material_ui.flatui.scroll import RefreshableScrollView
#KV Lang files
from pkg_resources import resource_filename
path = resource_filename( __name__, 'forms.kv' )
icon_done = resource_filename( __name__, '../images/done-32.png' )
Builder.load_file( path )
class Screen1( Form ) :
'''
Showcase for buttons and popups.
'''
def __init__( self, **kargs ) :
super( Screen1, self ).__init__( **kargs )
def show_flat_popup( self ) :
txt = 'FlatPopup has attributed title'
lbl = Label( text=txt )
popup = FlatPopup(
title='Flat popup',
size_hint=(.8,.8),
content=lbl
)
popup.open()
def show_alert_popup( self ) :
txt = 'AlertPopup comes with two buttons.\nYou can set callbacks on them.'
popup = AlertPopup(
title='Alert popup',
ok_button_text='YES', cancel_button_text='NO',
text=txt, size_hint=(.8,.6)
)
popup.open()
def show_okbutton_popup( self ) :
txt = "Use AlertPopup with a single 'OK' button."
popup = AlertPopup(
title='Ok button popup',
text=txt,
size_hint=(.8,.6)
)
popup.open()
def show_popup_list_view( self ) :
data = 'Mario Maria Luigi Gianni Federico Alessandro Massimo Mattia'.split(' ')
popup = PopupListView(
data,
size_hint=[.5,.8],
title='Stateless value-picker',
)
popup.open()
def next_page( self ) :
Screen2(
shared_navigation_controller=self.shared_navigation_controller
).push()
class Screen2( Form ) :
'''
Showcase for RefreshableScrollView and ErrorForm.
'''
def __init__( self, **kargs ) :
super( Screen2, self ).__init__( **kargs )
"""
ScrollView with a refresh controll...
"""
self.myscroll = RefreshableScrollView(
on_start_reload=self.on_start_reload,
root_layout=self.shared_navigation_controller.floating_panel
)
self.add_widget( self.myscroll )
"""
Loading fake elements...
"""
temp = GridLayout( size_hint=(1,None), cols=1 )
for n in ['Pull down to reload','A fake error will be raised']+list(range(0,20)) :
l = Label( text='Element no '+str(n), height=dp(50), size_hint=(1,None), color=[0,0,0,.8] )
temp.add_widget( l )
temp.height += dp(50)
self.myscroll.add_widget( temp )
"""
Called whenever the user asks for a refresh of the scrollview.
"""
def on_start_reload( self, *args ) :
Clock.schedule_once( self.raise_fake_error, 5 )
"""
Will show an error form.
"""
def raise_fake_error( self, *args ) :
self.myscroll.reload_done()
try :
raise IOError( "Fake exeption to show pop\\push animations." )
except IOError as e :
self.shared_navigation_controller.push(
NoNetworkForm(
shared_navigation_controller=self.shared_navigation_controller,
strace=str(e)
),
title='Network Error'
)
except Exception as e :
self.shared_navigation_controller.push(
ErrorForm(
shared_navigation_controller=self.shared_navigation_controller,
strace=str(e)
),
title='Generic Error'
)
return True
def on_push( self, controller ) :
self.fbutton = FloatingAction(
icon=icon_done,
diameter=dp(56),
size_hint=(None,None),
background_color=( 1, .1, .1, 1 ),
background_color_down=( .9, .1, .1, 1 ),
color=[1,1,1,1]
)
self.fbutton.bind( on_press=self.fbutton_press )
self.fbutton.add_to_bottom_right(
self.shared_navigation_controller.floating_panel
)
def on_pop( self, controller ) :
self.fbutton.remove_from_parent()
def fbutton_press( self, instance ) :
Screen3(
shared_navigation_controller=self.shared_navigation_controller
).push()
class Screen3( Form ) :
pass
