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当从文件添加项目到kivy列表视图listitemlabel标签的间距似乎重叠新的添加，我不确定从哪个部分。当开始时列表为空并添加了新添加项时，间距不会在标签之间重叠，但如果我的_reset_spopulate出现问题，则不知道如何解决。Kivy listview添加重叠的项目
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()
这里是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()