事件处理程序TabbedPanel
问题描述:
我无法找到有关每个元素的事件处理程序的信息(如标签,按钮,TabbedPanel等)事件处理程序TabbedPanel
我有一个默认显示TabbedPanel第一个标签的问题。
程序启动时,它显示第一个选项卡“tab_def”,它是空的。 但我想看到通过SHOW_DEF()获得的文本。 如果我点击另一个选项卡,然后点击第一个选项卡 - 我得到我想要的。
我该如何解决? 在此先感谢。
.kv代码
<GeneralForm>:
do_default_tab: False
txt1:txt1
txt2:txt2
txt3:txt3
txt_def:txt_def
tab1:tab1
tab_def:tab_def
TabbedPanelItem:
id:tab_def
text: 'Today'
on_release:root.SHOW_DEF()
BoxLayout:
ScrollView:
Label:
id:txt_def
text:'' <=== !!!!
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
TabbedPanelItem:
id:tab1
text: 'Mon'
on_release: root.SHOW_CONTENT(tab1.text,'txt1')
BoxLayout:
orientation: 'vertical'
BoxLayout:
ScrollView:
Label:
id:txt1
text: ''
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
BoxLayout:
Button:
text: 'Edit'
on_press: root.EDIT(tab1.text)
Button:
text: 'Exit'
on_press: root.EXIT()
的.py代码
class GeneralForm(TabbedPanel):
shutil.copy('data','data_backup')
txt1 = ObjectProperty()
txt2 = ObjectProperty()
txt_def = ObjectProperty()
def SHOW_DEF(self):
now_date = datetime.date.today()
TIME=now_date.weekday()
if TIME==0:
DDAY='Mon'
elif TIME==1:
DDAY='Tue'
elif TIME==2:
DDAY='Wed'
elif TIME==3:
DDAY='Thu'
elif TIME==4:
DDAY='Fri'
elif TIME==5:
DDAY='Sat'
elif TIME==6:
DDAY='Sun'
DATA=GeneralForm.PARSE(self,DDAY)
DATA=DATA.split('|||')
DATA='\n'.join(DATA)
self.txt_def.text=DATA <======= !!!
.py文件的全码:
import shutil, datetime
from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
from kivy.properties import ObjectProperty
from kivy.uix.tabbedpanel import TabbedPanel
from kivy.uix.label import Label
from kivy.uix.popup import Popup
from kivy.uix.button import Button
from kivy.uix.scrollview import ScrollView
from kivy.uix.textinput import TextInput
###############################################################################
class GeneralForm(TabbedPanel):
shutil.copy('data','data_backup')
txt1 = ObjectProperty()
txt2 = ObjectProperty()
txt3 = ObjectProperty()
txt4 = ObjectProperty()
txt5 = ObjectProperty()
txt6 = ObjectProperty()
txt7 = ObjectProperty()
txt_def = ObjectProperty()
def SHOW_DEF(self):
now_date = datetime.date.today()
TIME=now_date.weekday()
if TIME==0:
DDAY='Mon'
elif TIME==1:
DDAY='Tue'
elif TIME==2:
DDAY='Wed'
elif TIME==3:
DDAY='Thu'
elif TIME==4:
DDAY='Fri'
elif TIME==5:
DDAY='Sat'
elif TIME==6:
DDAY='Sun'
DATA=GeneralForm.PARSE(self,DDAY)
DATA=DATA.split('|||')
DATA='\n'.join(DATA)
#box1=ScrollView()
#l1=Label(text=DATA,text_size=(self.width,None),halign='center',size_hint_y=None)
#box1.add_widget(l1)
#return box1
self.txt_def.text=DATA
def SHOW_CONTENT(self,D,TXT):
DATA=GeneralForm.PARSE(self,D)
DATA=DATA.split('|||')
DATA='\n'.join(DATA)
if TXT=='txt1':
self.txt1.text=DATA
elif TXT=='txt2':
self.txt2.text=DATA
elif TXT=='txt3':
self.txt3.text=DATA
elif TXT=='txt4':
self.txt4.text=DATA
elif TXT=='txt5':
self.txt5.text=DATA
elif TXT=='txt6':
self.txt6.text=DATA
elif TXT=='txt7':
self.txt7.text=DATA
def PARSE(self,D):
FILE=open('data')
RAW=FILE.read()
for i in RAW.split('====='):
i=i.strip()
if D in i:
DATA=i.splitlines()
DATA.remove(D)
DATA='\n'.join(DATA)
return(DATA)
def EDIT(self,D):
DATA=GeneralForm.PARSE(self,D)
DATA=DATA.split('|||')
DATA='\n'.join(DATA)
box1=BoxLayout(size_hint_y=6)
t1=TextInput(text=DATA)
box1.add_widget(t1)
box2=BoxLayout(size_hint_y=1)
b2=Button(text='Save')
b3=Button(text='Cancel')
box2.add_widget(b2)
box2.add_widget(b3)
box3=BoxLayout(orientation='vertical')
box3.add_widget(box1)
box3.add_widget(box2)
popup = Popup(content=box3,auto_dismiss=False,size_hint=(.75,.75),title='Edit')
b2.bind(on_press=lambda instance: self.SAVE_EDIT(instance, TXT=t1.text, DAY=D))
b3.bind(on_press=popup.dismiss)
popup.open()
def SAVE_EDIT(self,instance,TXT,DAY):
TXT=TXT.strip()
if TXT=='':
pass
else:
TXT=TXT.split('\n')
TXT='|||'.join(TXT)
TMP_FILE=open('temp','w')
DATA=GeneralForm.PARSE(self,DAY)
for line in open('data'):
line=line.replace(DATA,TXT)
TMP_FILE.write(line)
TMP_FILE.close()
shutil.move('temp','data')
def EXIT(self):
App.get_running_app().stop()
class TimeTable(App):
def build(self):
return GeneralForm()
if __name__ == '__main__':
TimeTable().run()
.kv文件的
全码:
<GeneralForm>:
do_default_tab: False
#default_tab_text: 'Today'
#default_tab_content: root.SHOW_DEF()
txt1:txt1
txt2:txt2
txt3:txt3
txt4:txt4
txt5:txt5
txt6:txt6
txt7:txt7
txt_def:txt_def
tab1:tab1
tab_def:tab_def
TabbedPanelItem:
id:tab_def
text: 'Today'
on_release:root.SHOW_DEF()
BoxLayout:
ScrollView:
Label:
id:txt_def
text:''
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
TabbedPanelItem:
id:tab1
text: 'Mon'
on_release: root.SHOW_CONTENT(tab1.text,'txt1')
BoxLayout:
orientation: 'vertical'
BoxLayout:
size_hint_y:6
ScrollView:
Label:
id:txt1
text: ''
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
BoxLayout:
size_hint_y:1
Button:
text: 'Edit'
on_press: root.EDIT(tab1.text)
Button:
text: 'Exit'
on_press: root.EXIT()
TabbedPanelItem:
id:tab2
text: 'Tue'
on_release: root.SHOW_CONTENT(tab2.text,'txt2')
BoxLayout:
orientation: 'vertical'
BoxLayout:
size_hint_y:6
ScrollView:
Label:
id:txt2
text: ''
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
BoxLayout:
size_hint_y:1
Button:
text: 'Edit'
on_press: root.EDIT(tab2.text)
Button:
text: 'Exit'
on_press: root.EXIT()
TabbedPanelItem:
id:tab3
text: 'Wed'
on_release: root.SHOW_CONTENT(tab3.text,'txt3')
BoxLayout:
orientation: 'vertical'
BoxLayout:
size_hint_y:6
ScrollView:
Label:
id:txt3
text: ''
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
BoxLayout:
size_hint_y:1
Button:
text: 'Edit'
on_press: root.EDIT(tab3.text)
Button:
text: 'Exit'
on_press: root.EXIT()
TabbedPanelItem:
id:tab4
text: 'Thu'
on_release: root.SHOW_CONTENT(tab4.text,'txt4')
BoxLayout:
orientation: 'vertical'
BoxLayout:
size_hint_y:6
ScrollView:
Label:
id:txt4
text: ''
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
BoxLayout:
size_hint_y:1
Button:
text: 'Edit'
on_press: root.EDIT(tab4.text)
Button:
text: 'Exit'
on_press: root.EXIT()
TabbedPanelItem:
id:tab5
text: 'Fri'
on_release: root.SHOW_CONTENT(tab5.text,'txt5')
BoxLayout:
orientation: 'vertical'
BoxLayout:
size_hint_y:6
ScrollView:
Label:
id:txt5
text: ''
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
BoxLayout:
size_hint_y:1
Button:
text: 'Edit'
on_press: root.EDIT(tab5.text)
Button:
text: 'Exit'
on_press: root.EXIT()
TabbedPanelItem:
id:tab6
text: 'Sat'
on_release: root.SHOW_CONTENT(tab6.text,'txt6')
BoxLayout:
orientation: 'vertical'
BoxLayout:
size_hint_y:6
ScrollView:
Label:
id:txt6
text: ''
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
BoxLayout:
size_hint_y:1
Button:
text: 'Edit'
on_press: root.EDIT(tab6.text)
Button:
text: 'Exit'
on_press: root.EXIT()
TabbedPanelItem:
id:tab7
text: 'Sun'
on_release: root.SHOW_CONTENT(tab7.text,'txt7')
BoxLayout:
orientation: 'vertical'
BoxLayout:
size_hint_y:6
ScrollView:
Label:
id:txt7
text: ''
text_size: self.width, None
height: self.texture_size[1]
size_hint_y: None
halign: 'center'
BoxLayout:
size_hint_y:1
Button:
text: 'Edit'
on_press: root.EDIT(tab7.text)
Button:
text: 'Exit'
“数据” 文件:
=====
Mon
1.00 - go
=====
Tue
19.00 - go
=====
Wed
20.00 - go
=====
Thu
21.00 - go
=====
Fri
22.00 - go
=====
Sat
24.00 - go
=====
Sun
25.00 - go
=====
答
您曾经试图打电话给SHOW_DEF()在类的构造函数?
@EDIT:试试这个
class GeneralForm(TabbedPanel):
def __init__(self, **kwargs):
super(GeneralForm, self).__init__(**kwargs)
shutil.copy('data','data_backup')
txt1 = ObjectProperty()
txt2 = ObjectProperty()
txt_def = ObjectProperty()
self.SHOW_DEF()
def SHOW_DEF(self):
now_date = datetime.date.today()
TIME=now_date.weekday()
if TIME==0:
DDAY='Mon'
elif TIME==1:
DDAY='Tue'
elif TIME==2:
DDAY='Wed'
elif TIME==3:
DDAY='Thu'
elif TIME==4:
DDAY='Fri'
elif TIME==5:
DDAY='Sat'
elif TIME==6:
DDAY='Sun'
DATA=GeneralForm.PARSE(self,DDAY)
DATA=DATA.split('|||')
DATA='\n'.join(DATA)
self.txt_def.text=DATA
我所做的是我添加了一个构造函数,它告诉你的对象一旦创建它做什么。你不应该在类中的指定函数或构造函数之外做任何事情,所以我也将你的变量移到了构造函数中,最后调用SHOW_DEF()。
对不起,我是python新手,所以我不明白你的意思。你能解释还是展示一个小例子? – 2015-02-11 07:39:49
对不起,我刚刚用exmaple代码编辑了答案:) – Nhor 2015-02-11 13:03:44
如果我这样做,我还有另一个问题。当我在某些选项卡中编辑某些信息并转到第一个选项卡时,我看到 - 文本未更新。它仍处于启动阶段。 – 2015-02-11 14:43:40