python 2.7 - How do I capture text from ListItemButton click in listadapter? -
how capture text value listitembutton in listview , store text value in objectproperty can use listitembutton text value in different function?
error getting:
attributeerror: 'nonetype' object has no attribute 'adapter' references: https://groups.google.com/forum/#!msg/kivy-users/4opq2wszeks/xm9f1psj8juj
screenshot:
trying accomplish in python:
from kivy.app import app kivy.uix.gridlayout import gridlayout kivy.uix.label import label kivy.lang import builder kivy.properties import * random import randint import cx_oracle import os class mygrid(gridlayout): data = [] team_list = listproperty() search_input = objectproperty() cols = numericproperty() lv11 = objectproperty() lv22 = objectproperty() team1 = objectproperty() team2 = objectproperty() list_adapter = lv11.adapter def __init__(self, **kwargs): super(mygrid, self).__init__(**kwargs) self.fetch_team_list() self.list_adapter = self.lv11.adapter self.list_adapter.bind(on_selection_change=self.respond_list_view_action()) def respond_list_view_action(self): text = self.list_adapter.get_view(listitembutton.text) self.team1 = text def args_converter(self, index, data_item): return {'text': data_item['team'], 'size_hint_y': none, 'height': 25} def fetch_team_list(self): con = cx_oracle.connect('scott/******@localhost/j1db') cur = con.cursor() statement = 'select team fbsteampassing group team' exe = cur.execute(statement) columns = [i[0] in cur.description] exe2 = [dict(zip(columns, row)) row in cur] self.team_list = [] row in exe2: self.team_list.append(row) return self.team_list ... relevant .kv file
#:kivy 1.9.0 #:import listadapter kivy.adapters.listadapter.listadapter #:import listitembutton kivy.uix.listview.listitembutton tabbedpanel: do_default_tab: false tab_width: 200 tabbedpanelitem: text: "team query" boxlayout: orientation: "vertical" textinput: id: search_box focus: true size_hint_y: .1 multiline: false on_text_validate: rootgrid.on_enter() button: size_hint_y: .1 text: "return" on_press: rootgrid.on_enter() scrollview: size_hint_y: none height: '500dp' mygrid: id: rootgrid search_input: search_box lv11: lv1 cols: 10 size_hint_y: none height: self.minimum_height spacing: '1dp' tabbedpanelitem: text: "select all" boxlayout: orientation: "vertical" button: size_hint_y: .1 text: "return data" on_press: rootgrid2.on_enter_2() scrollview: size_hint_y: none height: '500dp' mygrid: id: rootgrid2 search_input: search_box cols: 10 size_hint_y: none height: self.minimum_height spacing: '1dp' tabbedpanelitem: text: "compare teams" stacklayout: scrollview: size_hint_x: .5 size_hint_y: none height: '100dp' listview: id: lv1 adapter: listadapter(data=rootgrid.team_list, cls=listitembutton, args_converter=rootgrid.args_converter) scrollview: lv1: lv1 size_hint_x: .5 size_hint_y: none height: '100dp' listview: id: lv2 adapter: listadapter(data=rootgrid.team_list, cls=listitembutton, args_converter=rootgrid.args_converter) button: size_hint: (1, .1) text: "return team compare" on_press: rootgrid3.on_enter_3() scrollview: size_hint_y: none height: '500dp' mygrid: id: rootgrid3 search_input: search_box cols: self.cols size_hint_y: none height: self.minimum_height spacing: '1dp' ...
direct answer: can capture value function bound on_selection_changelink event of listadapter. name string stored in adapter.selection[0].text property. can more computation there.
your code kind of long, messy, , have no idea line error comes from. have example you:
test.kv:
#:kivy 1.9.0 screen: gridlayout: cols: 1 teamsgrid: scoregrid: <teamsgrid@gridlayout>: rows: 1 padding: '50dp', '20dp' spacing: '10dp' teamsview: name: 'left' teamsview: name: 'right' <scoregrid>: cols: 2 teamname: id: left_name teamname: id: right_name teamscore: id: left_score bgcolor: 0.1, 0.1, 0.3 teamscore: id: right_score bgcolor: 0.3, 0.1, 0.1 <teamname@label>: size_hint_y: 0.1 text: 'score' <teamscore@label>: markup: true bgcolor: 0, 0, 0 canvas.before: color: rgb: self.bgcolor rectangle: pos: self.pos size: self.size main.py:
#!/usr/bin/env python # -*- coding: utf-8 -*- kivy.uix.listview import listview, listitembutton kivy.app import app kivy.adapters.listadapter import listadapter kivy.properties import stringproperty kivy.uix.gridlayout import gridlayout kivy.clock import mainthread beans = {} class teamsview(listview): name = stringproperty() def __init__(self, **kwargs): super(teamsview, self).__init__(**kwargs) self.fetch_teams_from_database() self.set_adapter() self.save_bean() def fetch_teams_from_database(self): self.teams = [ {'team': 'pogoĊ szczecin', 'score': '55'}, {'team': 'arizona state', 'score': '32'}, {'team': 'idaho', 'score': '44'}, {'team': 'nebraska', 'score': '48'}, {'team': 'dummy', 'score': '0'}, {'team': 'dummy', 'score': '0'}, {'team': 'dummy', 'score': '0'}, {'team': 'dummy', 'score': '0'}, {'team': 'dummy', 'score': '0'} ] def set_adapter(self): self.adapter = listadapter( data=self.teams, args_converter=self.args_converter, selection_mode='single', allow_empty_selection=true, cls=listitembutton ) self.adapter.bind( on_selection_change=self.on_selection_change) def args_converter(self, row_index, item): return { 'text': item['team'], 'size_hint_y': none, 'height': 50 } def on_selection_change(self, adapter): team_score, team_name = self.get_team(adapter) team_score = '[size=50]' + team_score + '[/size]' beans['score_grid'].ids[self.name + '_name'].text =\ team_name + ' score:' beans['score_grid'].ids[self.name + '_score'].text =\ team_score def get_team(self, adapter): try: team in self.teams: if team['team'] in adapter.selection[0].text: return team['score'], team['team'] except indexerror: return '', '' @mainthread def save_bean(self): beans[self.name + 'list'] = self.proxy_ref class scoregrid(gridlayout): def __init__(self, **kwargs): super(scoregrid, self).__init__(**kwargs) beans['score_grid'] = self.proxy_ref class test(app): pass test().run() 
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