libervia-backend/frontends/src/primitivus/xmlui.py

327 lines
11 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Primitivus: a SAT frontend
# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 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.i18n import _
import urwid
import copy
from urwid_satext import sat_widgets
from sat.core.log import getLogger
log = getLogger(__name__)
from sat_frontends.tools import xmlui
class PrimitivusEvents(object):
""" Used to manage change event of Primitivus widgets """
def _event_callback(self, ctrl, *args, **ktkwargs):
"""" Call xmlui callback and ignore any extra argument """
args[-1](ctrl)
def _xmluiOnChange(self, callback):
""" Call callback with widget as only argument """
urwid.connect_signal(self, 'change', self._event_callback, callback)
class PrimitivusEmptyWidget(xmlui.EmptyWidget, urwid.Text):
def __init__(self, parent):
urwid.Text.__init__(self, '')
class PrimitivusTextWidget(xmlui.TextWidget, urwid.Text):
def __init__(self, parent, value):
urwid.Text.__init__(self, value)
class PrimitivusLabelWidget(xmlui.LabelWidget, PrimitivusTextWidget):
def __init__(self, parent, value):
super(PrimitivusLabelWidget, self).__init__(parent, value+": ")
class PrimitivusJidWidget(xmlui.JidWidget, PrimitivusTextWidget):
pass
class PrimitivusDividerWidget(xmlui.DividerWidget, urwid.Divider):
def __init__(self, parent, style='line'):
if style == 'line':
div_char = u'─'
elif style == 'dot':
div_char = u'·'
elif style == 'dash':
div_char = u'-'
elif style == 'plain':
div_char = u'█'
elif style == 'blank':
div_char = ' '
else:
log.warning(_("Unknown div_char"))
div_char = u'─'
urwid.Divider.__init__(self, div_char)
class PrimitivusStringWidget(xmlui.StringWidget, sat_widgets.AdvancedEdit, PrimitivusEvents):
def __init__(self, parent, value):
sat_widgets.AdvancedEdit.__init__(self, edit_text=value)
def _xmluiSetValue(self, value):
self.set_edit_text(value)
def _xmluiGetValue(self):
return self.get_edit_text()
class PrimitivusPasswordWidget(xmlui.PasswordWidget, sat_widgets.Password, PrimitivusEvents):
def __init__(self, parent, value):
sat_widgets.Password.__init__(self, edit_text=value)
def _xmluiSetValue(self, value):
self.set_edit_text(value)
def _xmluiGetValue(self):
return self.get_edit_text()
class PrimitivusTextBoxWidget(xmlui.TextBoxWidget, sat_widgets.AdvancedEdit, PrimitivusEvents):
def __init__(self, parent, value):
sat_widgets.AdvancedEdit.__init__(self, edit_text=value, multiline=True)
def _xmluiSetValue(self, value):
self.set_edit_text(value)
def _xmluiGetValue(self):
return self.get_edit_text()
class PrimitivusBoolWidget(xmlui.BoolWidget, urwid.CheckBox, PrimitivusEvents):
def __init__(self, parent, state):
urwid.CheckBox.__init__(self, '', state=state)
def _xmluiSetValue(self, value):
self.set_state(value == "true")
def _xmluiGetValue(self):
return "true" if self.get_state() else "false"
class PrimitivusButtonWidget(xmlui.ButtonWidget, sat_widgets.CustomButton, PrimitivusEvents):
def __init__(self, parent, value, click_callback):
sat_widgets.CustomButton.__init__(self, value, on_press=click_callback)
def _xmluiOnClick(self, callback):
urwid.connect_signal(self, 'click', callback)
class PrimitivusListWidget(xmlui.ListWidget, sat_widgets.List, PrimitivusEvents):
def __init__(self, parent, options, selected, flags):
sat_widgets.List.__init__(self, options=options, style=flags)
self._xmluiSelectValues(selected)
def _xmluiSelectValue(self, value):
return self.selectValue(value)
def _xmluiSelectValues(self, values):
return self.selectValues(values)
def _xmluiGetSelectedValues(self):
return [option.value for option in self.getSelectedValues()]
def _xmluiAddValues(self, values, select=True):
current_values = self.getAllValues()
new_values = copy.deepcopy(current_values)
for value in values:
if value not in current_values:
new_values.append(value)
if select:
selected = self._xmluiGetSelectedValues()
self.changeValues(new_values)
if select:
for value in values:
if value not in selected:
selected.append(value)
self._xmluiSelectValues(selected)
class PrimitivusAdvancedListContainer(xmlui.AdvancedListContainer, sat_widgets.TableContainer, PrimitivusEvents):
def __init__(self, parent, columns, selectable='no'):
options = {'ADAPT':()}
if selectable != 'no':
options['HIGHLIGHT'] = ()
sat_widgets.TableContainer.__init__(self, columns=columns, options=options, row_selectable = selectable!='no')
def _xmluiAppend(self, widget):
self.addWidget(widget)
def _xmluiAddRow(self, idx):
self.setRowIndex(idx)
def _xmluiGetSelectedWidgets(self):
return self.getSelectedWidgets()
def _xmluiGetSelectedIndex(self):
return self.getSelectedIndex()
def _xmluiOnSelect(self, callback):
""" Call callback with widget as only argument """
urwid.connect_signal(self, 'click', self._event_callback, callback)
class PrimitivusPairsContainer(xmlui.PairsContainer, sat_widgets.TableContainer):
def __init__(self, parent):
options = {'ADAPT':(0,), 'HIGHLIGHT':(0,)}
if self._xmlui_main.type == 'param':
options['FOCUS_ATTR'] = 'param_selected'
sat_widgets.TableContainer.__init__(self, columns=2, options=options)
def _xmluiAppend(self, widget):
if isinstance(widget, PrimitivusEmptyWidget):
# we don't want highlight on empty widgets
widget = urwid.AttrMap(widget, 'default')
self.addWidget(widget)
class PrimitivusTabsContainer(xmlui.TabsContainer, sat_widgets.TabsContainer):
def __init__(self, parent):
sat_widgets.TabsContainer.__init__(self)
def _xmluiAppend(self, widget):
self.body.append(widget)
def _xmluiAddTab(self, label):
tab = PrimitivusVerticalContainer(None)
self.addTab(label, tab)
return tab
class PrimitivusVerticalContainer(xmlui.VerticalContainer, urwid.ListBox):
BOX_HEIGHT = 5
def __init__(self, parent):
urwid.ListBox.__init__(self, urwid.SimpleListWalker([]))
self._last_size = None
def _xmluiAppend(self, widget):
if 'flow' not in widget.sizing():
widget = urwid.BoxAdapter(widget, self.BOX_HEIGHT)
self.body.append(widget)
def render(self, size, focus=False):
if size != self._last_size:
(maxcol, maxrow) = size
if self.body:
widget = self.body[0]
if isinstance(widget, urwid.BoxAdapter):
widget.height = maxrow
self._last_size = size
return super(PrimitivusVerticalContainer, self).render(size, focus)
class WidgetFactory(object):
def __getattr__(self, attr):
if attr.startswith("create"):
cls = globals()["Primitivus" + attr[6:]] # XXX: we prefix with "Primitivus" to work around an Urwid bug, WidgetMeta in Urwid don't manage multiple inheritance with same names
cls._xmlui_main = self._xmlui_main
return cls
class XMLUI(xmlui.XMLUI, urwid.WidgetWrap):
widget_factory = WidgetFactory()
def __init__(self, host, xml_data, title = None, flags = None):
self.widget_factory._xmlui_main = self
self._dest = None
xmlui.XMLUI.__init__(self, host, xml_data, title, flags)
urwid.WidgetWrap.__init__(self, self.main_cont)
def constructUI(self, xml_data):
def postTreat():
assert self.main_cont.body
if self.type in ('form', 'popup'):
buttons = []
if self.type == 'form':
buttons.append(urwid.Button(_('Submit'), self.onFormSubmitted))
if not 'NO_CANCEL' in self.flags:
buttons.append(urwid.Button(_('Cancel'), self.onFormCancelled))
else:
buttons.append(urwid.Button(_('OK'), lambda dummy: self._xmluiClose()))
max_len = max([len(button.get_label()) for button in buttons])
grid_wid = urwid.GridFlow(buttons, max_len + 4, 1, 0, 'center')
self.main_cont.body.append(grid_wid)
elif self.type == 'param':
tabs_cont = self.main_cont.body[0].base_widget
assert(isinstance(tabs_cont,sat_widgets.TabsContainer))
buttons = []
buttons.append(sat_widgets.CustomButton(_('Save'),self.onSaveParams))
buttons.append(sat_widgets.CustomButton(_('Cancel'),lambda x:self.host.removeWindow()))
max_len = max([button.getSize() for button in buttons])
grid_wid = urwid.GridFlow(buttons,max_len,1,0,'center')
tabs_cont.addFooter(grid_wid)
super(XMLUI, self).constructUI(xml_data, postTreat)
urwid.WidgetWrap.__init__(self, self.main_cont)
def show(self, show_type=None, valign='middle'):
"""Show the constructed UI
@param show_type: how to show the UI:
- None (follow XMLUI's recommendation)
- 'popup'
- 'window'
@param valign: vertical alignment when show_type is 'popup'.
Ignored when show_type is 'window'.
"""
if show_type is None:
if self.type in ('window', 'param'):
show_type = 'window'
elif self.type in ('popup', 'form'):
show_type = 'popup'
if show_type not in ('popup', 'window'):
raise ValueError('Invalid show_type [%s]' % show_type)
self._dest = show_type
decorated = sat_widgets.LabelLine(self, sat_widgets.SurroundedText(self.title or ''))
if show_type == 'popup':
self.host.showPopUp(decorated, valign=valign)
elif show_type == 'window':
self.host.addWindow(decorated)
else:
assert(False)
self.host.redraw()
def _xmluiClose(self):
if self._dest == 'window':
self.host.removeWindow()
else:
self.host.removePopUp()