Android QPython3 SL4A 选择函数 : DialogChoice.py
#需要Dialog.py https://www.bilibili.com/read/cv8654793
from Dialog import *
OCAN=('OK','Cancel','All','None')
OC=('OK','Cancel')
CC=('Continue','Cancel')
OCE=('OK','Cancel','Edit')
ABCD=('Apple','Banana','Cat','Dog')
PNNs={'positive':1,'negative':0,'neutral':None}
PNNn=(1,1,0,None)
import os
isfile=os.path.isfile
isdir=os.path.isdir
listdir=os.listdir
def OneChoice(title='Which is animal ?',message='Choose animal',list_=ABCD,default=None,returnValue=False,button=OC): #单选
list_=list(list_)
list_.insert(0,message)
if default==None:
default=0
else:
default+=1
while True:
jsla("dialogCreateAlert",title)
jsla("dialogSetSingleChoiceItems",list_,default)
ButtonText(button)
jsla("dialogShow")
try:
w=Which()
except:
return None
default=rsla("dialogGetSelectedItems")[0]
if w==1:
if default!=0:
if returnValue:
return list_[default]
else:
return default-1
else:
return ''
else:
return None
def MulChoice(title='Which are not fruit ?',message='Choose fruit',list_=ABCD,default=(),returnValue=False,button=OCAN): #多选
All=tuple(range(1,len(list_)+1))
list_=list(list_)
list_.insert(0,message)
AN=2
if default==None:
default=[]
else:
default=[i+1 for i in default]
while True:
jsla("dialogCreateAlert",title)
jsla("dialogSetMultiChoiceItems",list_,default)
ButtonText((button[0],button[1],button[AN]))
jsla("dialogShow")
try:
w=Which()
except:
return None
default=rsla("dialogGetSelectedItems")
if w==1:
rst=[]
for i in default:
if i:
if returnValue:
rst.append(list_[i])
else:
rst.append(i-1)
return rst
elif w==0:
if AN==2:
default=All
AN=3
else:
default=()
AN=2
else:
return None
def ynChoice(title='Math Problem',message='1+1=3 ?',button=YNC): #判断(是否)
jsla("dialogCreateAlert",title, message)
ButtonText(button)
jsla("dialogShow")
try:
return PNNs[rsla("dialogGetResponse")['which']]
except:
return PNNn[len(button)]
def RunChoice(title='Choose to run',list_=('One','Mul','YN','Pause','Exit'),run=(OneChoice,MulChoice,'print(ynChoice())','input()',None)): #运行列表
while True:
a=List(title,list_)
if a==None: #None : 退出选择菜单
break
a=run[a]
if type(a)==str: #str类型 : 单句函数
exec(a)
elif a==None: #None : 退出选择菜单
break
else: #function : 执行function()
a()
def FileChoice(title='选择一个文件(夹)',Path='/sdcard',FileName=''): #选择文件(夹)路径
d=Path=PathStrip(Path)
while True:
try:
l=listdir(d)
except:
l=[]
D=[];F=[]
l.sort()
for i in l:
j=d+i
if isdir(j):
D.append(d+i+'/')
else:
F.append(d+i)
b=[]
for i in D:
b.append(i.rsplit('/',2)[-2]+':目录')
for i in F:
b.append(i.rsplit('/',1)[-1]+':文件')
l=len(b)
m=len(D)
c=["<路径>%s\n<文件(夹)选择器功能键>"%d]
c=List(title,c+b)
if c==None:
d=PathUp(d)
continue
elif c>0:
c-=1
if c<m:
d=D[c]
continue
else:
return F[c-m]
continue
c=List('选择要操作的功能',('选择该文件夹','向上一级文件夹','手动输入文件名','继续选择文件(夹)','回到初始路径','取消'))
if c==0:
return d
elif c==1:
d=PathUp(d)
elif c==2:
e=Input('输入文件名 :','当前路径 : '+d,FileName)
if e!=None:
return d+e
elif c==4:
d=Path
continue
elif c==5:
return
def FileChoiceMessage(title='选择一个文件(夹)',message='默认路径：',Path='/sdcard',FileName='',button=OCE): #选择文件(夹)路径(默认路径)
Path=PathStrip(Path)
b=Path+FileName
if message:
c='%s\n%s'%(message,b)
else:
c=b
a=Button(title,c,button)
if a==1:
return b
elif a==0:
pass
else:
return None
return FileChoice(title,Path,FileName)
def PathUp(x): #请忽略
y=x.rfind('/',0,-1)
return x[:y+1]
def PathStrip(Path): #请忽略
Path=Path.strip()
if Path=='' or Path[-1]!='/':
Path+='/'
return Path
作者：乘着船@Bilibili
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