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import urwid
class PopUpMixin(object):
def open_popup(self, view, title=None, width=75, height=75):
urwid.connect_signal(
view, "close_popup", self.close_popup
)
popup = PopUpFrame(self, view, title=title)
overlay = PopUpOverlay(
self, popup, view,
'center', ('relative', width),
'middle', ('relative', height)
)
self._w.original_widget = overlay
self.popup_visible = True
def close_popup(self, source):
self._w.original_widget = self.view
self.popup_visible = False
class PopUpFrame(urwid.WidgetWrap):
def __init__(self, parent, body, title = None):
self.parent = parent
self.line_box = urwid.LineBox(body)
super(PopUpFrame, self).__init__(self.line_box)
class PopUpOverlay(urwid.Overlay):
def __init__(self, parent, *args, **kwargs):
self.parent = parent
super(PopUpOverlay,self).__init__(*args, **kwargs)
def keypress(self, size, key):
if key in [ "esc", "q" ]:
self.parent.close_popup()
else:
return super(PopUpOverlay, self).keypress(size, key)
class BasePopUp(urwid.WidgetWrap):
signals = ["close_popup"]
def selectable(self):
return True
class BaseDialog(BasePopUp):
choices = []
signals = ["select"]
def __init__(self, parent, prompt=None):
self.parent = parent
if prompt: self.prompt = prompt
self.text = urwid.Text(
self.prompt + "[%s]" %("".join(list(self.choices.keys()))), align="center"
)
super(BaseDialog, self).__init__(
urwid.Filler(urwid.Padding(self.text))
)
# def selectable(self):
# return True
def keypress(self, size, key):
if key in list(self.choices.keys()):
self.choices[key]()
else:
return key
class BaseView(urwid.WidgetWrap):
focus_widgets = []
top_view = None
def __init__(self, view):
self.view = view
self.placeholder = urwid.WidgetPlaceholder(urwid.Filler(urwid.Text("")))
super(BaseView, self).__init__(self.placeholder)
self.placeholder.original_widget = self.view
def open_popup(self, view, title=None, width=("relative", 75), height=("relative", 75)):
urwid.connect_signal(
view, "close_popup", self.close_popup
)
popup = PopUpFrame(self, view, title=title)
overlay = PopUpOverlay(
self, popup, self.view,
'center', width,
'middle', height
)
self._w.original_widget = overlay
self.popup_visible = True
def close_popup(self, source=None):
self._w.original_widget = self.view
self.popup_visible = False
__all__ = [
"BaseView",
"BasePopUp",
"BaseDialog",
]
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