electrum/gui/kivy/uix/dialogs/wallets.py

from kivy.app import App
from kivy.factory import Factory
from kivy.properties import ObjectProperty
from kivy.lang import Builder

from electrum.i18n import _
from electrum.util import base_units

import os
from label_dialog import LabelDialog

Builder.load_string('''
#:import os os
<WalletDialog@Popup>:
    title: _('Wallets')
    id: popup
    path: ''
    BoxLayout:
        orientation: 'vertical'
        BoxLayout:
            height: '48dp'
            size_hint_y: None
            orientation: 'horizontal'
            Label:
                text: _('Current Wallet') + ': '
                height: '48dp'
                size_hint_y: None
            Label:
                id: wallet_name
                height: '48dp'
                size_hint_y: None
                text: os.path.basename(app.wallet.storage.path)
                on_text:
                    popup.path = os.path.join(wallet_selector.path, self.text)
        Widget
            size_hint_y: None
        Label:
            height: '48dp'
            size_hint_y: None
            text: _('Wallets')
        FileChooserListView:
            id: wallet_selector
            dirselect: False
            filter_dirs: True
            filter: '*.*'
            path: os.path.dirname(app.wallet.storage.path)
            on_selection:
                wallet_name.text = os.path.basename(self.selection[0]) if self.selection else ''
            size_hint_y: 0.4
        Widget
            size_hint_y: 0.1

        GridLayout:
            cols: 2
            size_hint_y: None
            Button:
                size_hint: 0.5, None
                height: '48dp'
                text: _('Cancel')
                on_release:
                    popup.dismiss()
            Button:
                id: open_button
                size_hint: 0.5, None
                height: '48dp'
                text: _('Open') if popup.path else _('New Wallet')
                on_release:
                    popup.dismiss()
                    root.new_wallet(app)
''')

class WalletDialog(Factory.Popup):
    def new_wallet(self, app):
        def cb(text):
            if text:
                app.load_wallet_by_name(text)
        if self.path:
            app.load_wallet_by_name(self.path)
        else:
            d = LabelDialog(_('Enter wallet name'), '', cb)
            d.open()