Abych vám ukázal, jak to můžete udělat, udělal jsem malý příklad vyhledávání.
To vyhledá názvy ovoce v databázi a vypíše jeho název a cenu do tabulky.
from kivy.app import App
import MySQLdb
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.gridlayout import GridLayout
from kivy.uix.label import Label
from kivy.uix.button import Button
from kivy.uix.textinput import TextInput
class DbCon:
def __init__(self):
self.db = MySQLdb.connect(user="root",passwd="pw",db="kivy")
self.c = self.db.cursor()
def get_rows(self,search = ""):
self.c.execute("SELECT * FROM fruit WHERE name REGEXP '.*%s.*' LIMIT 3" % search)
return self.c.fetchall()
class Table(BoxLayout):
def __init__(self,**kwargs):
super(Table,self).__init__(**kwargs)
self.orientation = "vertical"
self.search_field = BoxLayout(orientation="horizontal")
self.search_input = TextInput(text='search',multiline=False)
self.search_button = Button(text="search",on_press=self.search)
self.search_field.add_widget(self.search_input)
self.search_field.add_widget(self.search_button)
self.add_widget(self.search_field)
self.add_widget(Label(text="table"))
self.table = GridLayout(cols=2,rows=4)
self.table.add_widget(Label(text="Fruit"))
self.table.add_widget(Label(text="Price"))
self.rows = [[Label(text="item"),Label(text="price")],
[Label(text="item"),Label(text="price")],
[Label(text="item"),Label(text="price")]]
for item,price in self.rows:
self.table.add_widget(item)
self.table.add_widget(price)
self.add_widget(self.table)
self.db = DbCon()
self.update_table()
def update_table(self,search=""):
for index,row in enumerate(self.db.get_rows(search)):
self.rows[index][0].text = row[1]
self.rows[index][1].text = str(row[2])
def clear_table(self):
for index in range(3):
self.rows[index][0].text = ""
self.rows[index][1].text = ""
def search(self, *args):
self.clear_table()
self.update_table(self.search_input.text)
class MyApp(App):
def build(self):
return Table()
MyApp().run()