view frontends/src/primitivus/widget.py @ 2361:5defafc8ede6

core, frontends (xmlui): new LabelContainer: LabelContainer is like a PairContainer where first widget can only be LabelWidget or EmptyWidget. This case is the most common, and allow to generate better code when label can be associated to widget (e.g. in HTML).
author Goffi <goffi@goffi.org>
date Sun, 24 Sep 2017 16:36:11 +0200
parents 2daf7b4c6756
children 8b37a62336c3
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#!/usr/bin/env python2
# -*- coding: utf-8 -*-

# Primitivus: a SAT frontend
# Copyright (C) 2009-2016 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(u'[{}]'.format(u', '.join(profiles)))
        return sat_widgets.SurroundedText(u' '.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