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當從文件添加項目到kivy列表視圖listitemlabel標籤的間距似乎重疊新的添加，我不確定從哪個部分。當開始時列表爲空並添加了新添加項時，間距不會在標籤之間重疊，但如果我的_reset_spopulate出現問題，則不知道如何解決。Kivy listview添加重疊的項目
from kivy.app import App
from kivy.uix.button import Button
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.gridlayout import GridLayout
from kivy.uix.textinput import TextInput
from kivy.adapters.simplelistadapter import SimpleListAdapter
from kivy.uix.listview import ListView, ListItemButton, ListItemLabel
class Controller(GridLayout):
data = ['0','1','2']
test_list=[]
data0 = ['hello','2','3','2']
data1 = ['world','e','r','young']
data2 = ['1']
all_list = []
all_list.append(data0)
all_list.append(data1)
all_list.append(data2)
info_data = []
list_x = 0
def __init__(self, **kwargs):
super(Controller,self).__init__(**kwargs)
self.x = 0
self.my_list.adapter.bind(on_selection_change = self.selection_change)
self.my_list.adapter.cls.deselected_color = (1,1,1,1)
self.my_list.adapter.cls.selected_color = (1,0,1,1)
def repopulate(self):
if(hasattr(self.my_info, '_reset_spopulate')):
self.my_info._reset_spopulate()
def on_load_files(self):
pass
def on_enter(self):
self.all_list[self.list_x].append(self.my_in.text)
self.my_info.adapter.data.append(self.my_in.text)
self.repopulate()
def selection_change(self,adapter,*args):
if len(adapter.selection)!=0:
self.list_x=int(adapter.selection[0].text[0])
#for x in xrange(0,len(self.all_list[self.list_x])):
self.my_info.adapter.data = self.all_list[self.list_x]
#self.my_info.adapter.data.append(self.all_list[self.list_x][x])
self.repopulate()
def load_test(self):
with open('./data0.txt','r+') as d0:
for line in d0.readlines():
try:
self.data0.append(line)
except ValueError:
pass
for x in xrange(0,len(self.data0)):
self.data0 = [i.strip('\r\n') for i in self.data0]
def load_files(self):
with open('./data0.txt','r+') as d0:
for line in d0.readlines():
try:
self.test_list.append(line)
except ValueError:
pass
for x in xrange(0,len(self.test_list)):
self.test_list=[i.strip('\n') for i in self.test_list]
self.data0 = self.test_list
self.all_list.append(self.data0)
with open('./data1.txt','r+') as d0:
for line in d0.readlines():
try:
self.test_list.append(line)
except ValueError:
pass
for x in xrange(0,len(self.test_list)):
self.test_list=[i.strip('\n') for i in self.test_list]
self.data1 = self.test_list
self.all_list.append(self.data1)
with open('./data2.txt','r+') as d2:
for line in d2.readlines():
try:
self.test_list.append(line)
except ValueError:
pass
for x in xrange(0,len(self.test_list)):
self.test_list=[i.strip('\n') for i in self.test_list]
self.data2 = self.test_list
self.all_list.append(self.data2)
def write_files(self):
with open('./data0.txt','w+') as d0:
d0.seek(0)
for x in xrange(0,len(self.data0)):
d0.write(self.data0[x]+'\n')
d0.seek(0)
for x in xrange(0,len(self.data0)):
print d0.readline().strip('\n')
with open('./data1.txt','w+') as d0:
d0.seek(0)
for x in xrange(0,len(self.data1)):
d0.write(self.data1[x]+'\n')
d0.seek(0)
for x in xrange(0,len(self.data1)):
print d0.readline().strip('\n')
with open('./data2.txt','w+') as d2:
d2.seek(0)
for x in xrange(0,len(self.data2)):
d2.write(self.data2[x]+'\n')
d2.seek(0)
for x in xrange(0,len(self.data2)):
print d2.readline().strip('\n')
def on_write_files(self):
pass#self.write_files()
class NameApp(App):
def build(self):
controller = Controller()
controller.load_test()
return controller
if __name__ == '__main__':
NameApp().run()
這裏是name.kv
#:kivy 1.4.0
#:import label kivy.uix.label
#:import sla kivy.adapters.simplelistadapter
#:import la kivy.adapters.listadapter
#:import lib kivy.uix.listview
<Label>:
text_size: self.size
halign: 'left'
valign: 'middle'
<Controller>:
my_in:my_in_id
my_info:my_info_id
my_list:my_list_id
cols:1
FloatLayout:
Button:
text:'on_load_files()'
size_hint:None,None
size:100,30
pos:100,100
on_press:root.on_load_files()
ListView:
id:my_list_id
size_hint:.2,.6
size:00,400
pos_hint:{'x':.2,'y':.2}
pos:200,200
adapter:
la.ListAdapter(
data=root.data,
cls=lib.ListItemButton,
selection_mode='single',
allow_empty_selection=True
)
ListView:
id:my_info_id
size_hint: .4,.6
pos:400,200
adapter:
la.ListAdapter(
data=root.info_data,
cls=lib.ListItemLabel,
selection_mode='single',
allow_empty_selection=True)
Button:
size_hint:None,None
size:100,30
pos:0,0
text:'enter/clear'
on_press:root.on_write_files()
TextInput:
size_hint:.8,None
size:400,30
pos:100,0
background_color:0.2,0.2,0.2,1
foreground_color:1,1,1,1
id:my_in_id
multiline:False
text:'enter new item'
on_text_validate:root.on_enter()