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我正在爲一個學校項目的幻想足球類型的應用程序。 我們創建了一個滾動視圖,其中包含一個團隊中的角色列表,每個角色都分配給一個按鈕。在按下按鈕時,顯示顯示第二個「不活動的字符按鈕」列表的新的滾動視圖,允許用戶按下一個以將團隊中的第一個和第二個角色交換。kivy按鈕ID的功能
我們的問題來自於難以管理'定位'按下哪個按鈕,以便告訴我們的交換功能哪兩個字符在列表中交換。在按下所述按鈕時是否可以保留按鈕的ID並將其調用爲新功能?
我們的代碼是有點亂,但波紋管顯示:
class SMApp(App):
teamlist = []
idvar = ""
btnlist = []
def popupfunc(self, event):
"""
creates a popup asking if the user wishes to swap a character from team to subs
then proceeds to allow user to choose who swaps
"""
def subscroll(self):
"""
opens scroll list of substitute characters in a popup
"""
sublist = []
curs.execute('SELECT * FROM Subs')
for row in curs:
sublist.append([row[0], row[2]])
layout = GridLayout(cols=2, spacing=10, size_hint_y=None)
layout.bind(minimum_height=layout.setter('height'))
for i in range(len(sublist)):
btn = Button(text=str(sublist[i][0]), size_hint_y=None, height=40)
layout.add_widget(btn)
lbl = Label(text=str(sublist[i][1]), size_hinty=None, height=40)
layout.add_widget(lbl)
root = ScrollView(size_hint=(None, None), size=(400, 400))
root.add_widget(layout)
popup2 = Popup(content=root, size=(7, 10), size_hint=(0.55, 0.8), title="list of subs")
popup2.open()
box = BoxLayout()
btn1 = Button(text='yeah ok')
btn2 = Button(text='nope')
popup1 = Popup(content=box, size=(10, 10), size_hint=(0.3, 0.3), title="add to team?")
btn2.bind(on_press=popup1.dismiss)
btn1.bind(on_press=subscroll)
box.add_widget(btn1)
box.add_widget(btn2)
popup1.open()
def build(self):
curs.execute('SELECT * FROM Team')
for row in curs:
self.teamlist.append([row[0], row[2]])
layout = GridLayout(cols=2, spacing=10, size_hint_y=None)
layout.bind(minimum_height=layout.setter('height'))
for i in range(len(self.teamlist)):
btn = Button(text=str(self.teamlist[i][0]), size_hint_y=None, height=40, id=str(i))
btn.bind(on_press=self.popupfunc)
self.btnlist.append(btn)
layout.add_widget(btn)
lbl = Label(text=str(self.teamlist[i][1]), size_hinty=None, height=40)
layout.add_widget(lbl)
for item in self.btnlist:
print item.id
root = ScrollView(size_hint=(None, None), size=(400, 400),
pos_hint={'center_x':.5, 'center_y':.5})
root.add_widget(layout)
return root
if __name__ == '__main__':
SMApp().run()