質問編集履歴
4
追記
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質問の仕方も含め、間違っていたらいろいろ教えてください。
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よろしくお願いいたします。
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kvファイルの中の削除buttonのon_pressにdetach_recycleview()を書き込んで、
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実行したところ
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NameError: name 'detach_recycleview' is not defined
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がでました。
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3
kvコードの削除buttonに、on_pressの行を加えた
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size_hint_x: 2
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on_press: detach_recycleview() #どのように当該の行と関連づけるか？
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<RV>:
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2
とりあえず、知りたいことを書いてみました
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よろしくお願いいたします。
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その後調べましたが、削除Buttonのon_pressにdetach_recycleview()を付けること
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ぐらいしか思いつきませんでした。
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今知りたいことは、
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1. detach_recycleview であっているかどうか？
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2. あっている場合、その削除Buttonと削除したい行をどのように関連づけるか？
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3. あと、kivyファイルの方に書き込んだ方がよいか、classの中にdefとして、
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書き込んだ方がよいかです。
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知識がなさ過ぎて、質問の仕方もよくわからなくてすみません。
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なんとかしてこの問題を解決したいので、
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質問の仕方も含め、間違っていたらいろいろ教えてください。
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よろしくお願いいたします。
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1
誤字
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```
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from kivy.lang import Builder
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from kivy.uix.recycleview import RecycleView
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from kivy.uix.recycleview.views import RecycleDataViewBehavior
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from kivy.uix.label import Label
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from kivy.uix.button import Button
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from kivy.uix.gridlayout import GridLayout
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from kivy.uix.boxlayout import BoxLayout
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from kivy.properties import BooleanProperty
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from kivy.uix.recycleboxlayout import RecycleBoxLayout
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from kivy.uix.behaviors import FocusBehavior
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from kivy.uix.recycleview.layout import LayoutSelectionBehavior
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import japanize_kivy
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Builder.load_string('''
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<SelectableLabel>:
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canvas.before:
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Color:
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rgba: (.8, .8, .8, 1) if self.selected else (1, .8, .8, 1)
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Rectangle:
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pos: self.pos
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size: self.size
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label1_text: 'label 1 text'
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label2_text: 'label 2 text'
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label3_text: 'label 3 text'
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pos: self.pos
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size: self.size
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#Label:
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# id: id_label1
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# text: root.label1_text
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# color: [0,0,0,1]
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# font_size: 20
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Label:
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id: id_label2
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text: root.label2_text
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color: [0,0,0,1]
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font_size: 20
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size_hint_x: 4
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Label:
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id: id_label3
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text: root.label3_text
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color: [0,0,0,1]
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font_size: 20
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size_hint_x: 4
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Button:
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text: '削除'
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font_size: 20
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size_hint_x: 2
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<RV>:
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viewclass: 'SelectableLabel'
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SelectableRecycleBoxLayout:
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default_size: None, dp(45)
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default_size_hint: 1, None
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size_hint_y: None
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height: self.minimum_height
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orientation: 'vertical'
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multiselect: True
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touch_multiselect: True
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''')
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items_1 = ['カツ丼','天丼','親子丼','玉子丼','オムライス','カツカレー']
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items_2 = ['850','850','750','670','800','850']
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class SelectableRecycleBoxLayout(FocusBehavior, LayoutSelectionBehavior,
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RecycleBoxLayout):
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pass
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class SelectableLabel(RecycleDataViewBehavior, GridLayout):
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index = None
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selected = BooleanProperty(False)
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selectable = BooleanProperty(True)
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cols = 3
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def refresh_view_attrs(self, rv, index, data):
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'''Catch and handle the view changes '''
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self.index = index
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self.label1_text = str(index)
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self.label2_text = data['label2']['text']
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self.label3_text = data['label3']['text']
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return super(SelectableLabel, self).refresh_view_attrs(
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rv, index, data)
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def on_touch_down(self, touch):
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''' Add selection on touch down '''
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if super(SelectableLabel, self).on_touch_down(touch):
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return True
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if self.collide_point(*touch.pos) and self.selectable:
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return self.parent.select_with_touch(self.index, touch)
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def apply_selection(self, rv, index, is_selected):
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''' Respond to the selection of items in the view. '''
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self.selected = is_selected
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if is_selected:
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print('selection changed to {}'.format(rv.data[index]))
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else:
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print('selection removed for {}'.format(rv.data[index]))
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class RV(RecycleView):
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def __init__(self, **kwargs):
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super(RV, self).__init__(**kwargs)
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paired_iter = zip(items_1, items_2)
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self.data = []
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for i1, i2 in paired_iter:
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d = {'label2': {'text': i1}, 'label3': {'text': i2}}
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self.data.append(d)
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class Menu01App(App):
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def build(self):
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return RV()
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if __name__ == '__main__':
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Menu01App().run()
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```
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255
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よろしくお願いいたします。
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