view sat_frontends/primitivus/widget.py @ 3513:753d151da886

XEP-0277: new preview/mbPreview method: This method does more or less the same thing as sending, but without actually sending the item, and parse the generated element just after. This way, the triggers are run, and a preview of the item can be made for the resulting microblog data.
author Goffi <goffi@goffi.org>
date Thu, 29 Apr 2021 15:49:59 +0200
parents be6d91572633
children 524856bd7b19
line wrap: on
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#!/usr/bin/env python3


# Primitivus: a SAT frontend
# Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from sat.core import log as logging

log = logging.getLogger(__name__)
import urwid
from urwid_satext import sat_widgets
from sat_frontends.primitivus.keys import action_key_map as a_key


class PrimitivusWidget(urwid.WidgetWrap):
    """Base widget for Primitivus"""

    def __init__(self, w, title=""):
        self._title = title
        self._title_dynamic = None
        self._original_widget = w
        urwid.WidgetWrap.__init__(self, self._getDecoration(w))

    @property
    def title(self):
        """Text shown in title bar of the widget"""

        # profiles currently managed by frontend
        try:
            all_profiles = self.host.profiles
        except AttributeError:
            all_profiles = []

        # profiles managed by the widget
        try:
            profiles = self.profiles
        except AttributeError:
            try:
                profiles = [self.profile]
            except AttributeError:
                profiles = []

        title_elts = []
        if self._title:
            title_elts.append(self._title)
        if self._title_dynamic:
            title_elts.append(self._title_dynamic)
        if len(all_profiles) > 1 and profiles:
            title_elts.append("[{}]".format(", ".join(profiles)))
        return sat_widgets.SurroundedText(" ".join(title_elts))

    @title.setter
    def title(self, value):
        self._title = value
        if self.decorationVisible:
            self.showDecoration()

    @property
    def title_dynamic(self):
        """Dynamic part of title"""
        return self._title_dynamic

    @title_dynamic.setter
    def title_dynamic(self, value):
        self._title_dynamic = value
        if self.decorationVisible:
            self.showDecoration()

    @property
    def decorationVisible(self):
        """True if the decoration is visible"""
        return isinstance(self._w, sat_widgets.LabelLine)

    def keypress(self, size, key):
        if key == a_key["DECORATION_HIDE"]:  # user wants to (un)hide widget decoration
            show = not self.decorationVisible
            self.showDecoration(show)
        else:
            return super(PrimitivusWidget, self).keypress(size, key)

    def _getDecoration(self, widget):
        return sat_widgets.LabelLine(widget, self.title)

    def showDecoration(self, show=True):
        """Show/Hide the decoration around the window"""
        self._w = (
            self._getDecoration(self._original_widget) if show else self._original_widget
        )

    def getMenu(self):
        raise NotImplementedError