55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
import urwid
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from ...operation_strings import descriptions
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from .View import View
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from .utils import wrap_in_frame, CenterButton, decorate_button
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class TransactionView(View):
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def __init__(self, model, controller, app):
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super().__init__(model, controller, app)
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left_col_elems = []
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right_col_elems = []
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for op in model.operations:
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left_col_elems.append(urwid.Text(descriptions[op] + '...', align='right'))
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right_col_elems.append(urwid.Text(''))
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left_col = urwid.ListBox(urwid.SimpleFocusListWalker(left_col_elems))
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left_col = urwid.WidgetDisable(left_col)
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right_col = urwid.ListBox(urwid.SimpleFocusListWalker(right_col_elems))
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right_col = urwid.WidgetDisable(right_col)
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cols = urwid.Columns(
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[left_col, right_col],
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dividechars=2
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)
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self.next_button = decorate_button(
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CenterButton(
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'Next',
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on_press=self.on_next_button_pressed,
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)
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)
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# It doesn't seem to be possible to move focus to a button which
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# was intially disabled, so we're going to use a flag variable
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self._next_button_enabled = False
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# The controller uses this to show status messages
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self.message_text = urwid.Text('', align='center')
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self.original_widget = wrap_in_frame(
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cols,
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model.title,
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next_btn=self.next_button,
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message_text=self.message_text,
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)
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# Keep a reference for the controller
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self.right_col_elems = right_col_elems
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def enable_next_button(self):
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self._next_button_enabled = True
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def on_next_button_pressed(self, button):
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if not self._next_button_enabled:
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return
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self.controller.next_menu_callback(button, 'Welcome')
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def activate(self):
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super().activate()
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self.controller.start()
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