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# Copyright (C) 2008 Jimmy Do <jimmydo@users.sourceforge.net>
# Copyright (C) 2010 Kenny Meyer <knny.myer@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import gobject
import gtk
import gtk.glade as glade
import gtk.gdk as gdk
import pango
from gettext import gettext as _
from shlex import split as shell_tokenize
from subprocess import check_call, CalledProcessError
from DurationChooser import DurationChooser
from ScrollableButtonList import ScrollableButtonList
class StartTimerDialog(gobject.GObject):
__gsignals__ = {'clicked-start':
(gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'clicked-cancel':
(gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'clicked-manage-presets':
(gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, ()),
'clicked-save':
(gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
(gobject.TYPE_STRING,
gobject.TYPE_INT,
gobject.TYPE_INT,
gobject.TYPE_INT,
gobject.TYPE_STRING,
gobject.TYPE_STRING,
gobject.TYPE_BOOLEAN)),
'clicked-preset':
(gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
(gobject.TYPE_PYOBJECT,)),
'double-clicked-preset':
(gobject.SIGNAL_RUN_LAST,
gobject.TYPE_NONE,
(gobject.TYPE_PYOBJECT,))}
def __init__(self, glade_file_name, name_validator_func, presets_store, preset_display_func):
gobject.GObject.__init__(self)
self._valid_name_func = name_validator_func;
self._presets_store = presets_store
self._preset_display_func = preset_display_func
self._presets_list = ScrollableButtonList()
labels_size_group = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)
self._duration_chooser = DurationChooser(labels_size_group)
glade_widgets = glade.XML(glade_file_name, 'start_timer_dialog')
self._dialog = glade_widgets.get_widget('start_timer_dialog')
self._ok_button = glade_widgets.get_widget('ok_button')
name_label = glade_widgets.get_widget('name_label')
self._name_entry = glade_widgets.get_widget('name_entry')
self._save_button = glade_widgets.get_widget('save_button')
duration_chooser_container = glade_widgets.get_widget('duration_chooser_container')
presets_chooser_container = glade_widgets.get_widget('presets_chooser_container')
self._presets_section = glade_widgets.get_widget('presets_section')
#: The TextEntry control for running a custom command
self._command_entry = glade_widgets.get_widget('command_entry')
#: The "Invalid Command" label
self._invalid_cmd_label = glade_widgets.get_widget('invalid_command_label')
#: The next timer combo box
self._next_timer_combo = glade_widgets.get_widget('next_timer_combo_entry')
self._next_timer_combo.set_model(self._presets_store)
self._next_timer_combo.set_text_column(0) # The column to be shown
#: The auto-start check button.
self._auto_start_check = glade_widgets.get_widget('auto_start_check')
labels_size_group.add_widget(name_label)
self._dialog.set_default_response(gtk.RESPONSE_OK)
duration_chooser_container.pack_start(self._duration_chooser)
presets_chooser_container.pack_start(self._presets_list)
self._dialog.connect('response', self._on_dialog_response)
self._dialog.connect('delete-event', self._dialog.hide_on_delete)
self._dialog.add_events(gdk.BUTTON_PRESS_MASK)
self._duration_chooser.connect('duration-changed', self._on_duration_changed)
self._name_entry.connect('changed', self._on_name_entry_changed)
self._save_button.connect('clicked', self._on_save_button_clicked)
# Check that executable is valid while inserting text
self._command_entry.connect('changed', self._check_is_valid_command)
self._next_timer_combo.child.connect("changed",
self._on_next_timer_combo_entry_child_changed)
glade_widgets.get_widget('manage_presets_button').connect('clicked',
self._on_manage_presets_button_clicked)
self._presets_store.connect('row-deleted',
lambda model, row_path: self._update_presets_list())
self._presets_store.connect('row-changed',
lambda model, row_path, row_iter: self._update_presets_list())
self._update_presets_list()
self._duration_chooser.show()
self._presets_list.show()
def show(self):
if not self._dialog.props.visible:
self._duration_chooser.clear()
self._duration_chooser.focus_hours()
self._name_entry.set_text('')
self._check_for_valid_start_timer_input()
self._check_for_valid_save_preset_input()
self._dialog.present()
def hide(self):
self._dialog.hide()
def get_control_data(self):
"""Return name and duration in a tuple.
The returned tuple is in this format:
(name, hours, minutes, seconds, next_timer, auto_start)
"""
return (self._name_entry.get_text().strip(),) + \
self._duration_chooser.get_duration() + \
(self._command_entry.get_text().strip(),
self._next_timer_combo.child.get_text().strip(),
self._auto_start_check.get_active())
def set_name_and_duration(self, name, hours, minutes, seconds, *args):
self._name_entry.set_text(name)
self._command_entry.set_text(args[0])
self._next_timer_combo.child.set_text(args[1])
self._auto_start_check.set_active(args[2])
self._duration_chooser.set_duration(hours, minutes, seconds)
def _update_presets_list(self):
self._check_for_valid_save_preset_input()
if len(self._presets_store) == 0:
self._presets_section.hide()
# Make window shrink
self._dialog.resize(1, 1)
else:
self._presets_section.show()
for button in self._presets_list.get_buttons():
button.destroy()
row_iter = self._presets_store.get_iter_first()
while row_iter is not None:
name = self._preset_display_func(row_iter)
label = gtk.Label(name)
label.set_ellipsize(pango.ELLIPSIZE_END)
button = gtk.Button()
button.set_relief(gtk.RELIEF_NONE)
button.add(label)
self._presets_list.add_button(button)
button.connect('clicked',
self._on_preset_button_clicked,
self._presets_store.get_path(row_iter))
button.connect('button_press_event',
self._on_preset_button_double_clicked,
self._presets_store.get_path(row_iter))
label.show()
button.show()
row_iter = self._presets_store.iter_next(row_iter)
def _check_is_valid_command(self, widget, data=None):
"""
Check that input in the command entry TextBox control is a valid
executable.
"""
try:
data = widget.get_text()
executable = shell_tokenize(data)[0]
# Check if command in path, else raise CalledProcessError
# The idea of using `which` to check if a command is in PATH
# originated from the Python mailing list.
check_call(['which', executable])
self._invalid_cmd_label.set_label('')
except (ValueError, IndexError, CalledProcessError):
self._invalid_cmd_label.set_label(_("<b>Command not found.</b>"))
if data is '':
self._invalid_cmd_label.set_label('')
def _non_zero_duration(self):
(hours, minutes, seconds) = self._duration_chooser.get_duration()
return (hours > 0 or minutes > 0 or seconds > 0)
def _check_for_valid_save_preset_input(self):
self._save_button.props.sensitive = (self._non_zero_duration() and
self._valid_name_func(self._name_entry.get_text()))
# TODO: Add validator for next_timer_combo
def _check_for_valid_start_timer_input(self):
self._ok_button.props.sensitive = self._non_zero_duration()
def _on_preset_button_clicked(self, button, row_path):
self.emit('clicked-preset', row_path)
def _on_preset_button_double_clicked(self, button, event, row_path):
"""Emit the `double-clicked-preset' signal."""
# Check that the double-click event shot off on the preset button
if event.type == gdk._2BUTTON_PRESS:
self.emit('double-clicked-preset', row_path)
def _on_manage_presets_button_clicked(self, button):
self.emit('clicked-manage-presets')
def _on_duration_changed(self, data=None):
self._check_for_valid_start_timer_input()
self._check_for_valid_save_preset_input()
def _on_name_entry_changed(self, entry):
self._check_for_valid_save_preset_input()
def _on_dialog_response(self, dialog, response_id):
if response_id == gtk.RESPONSE_OK:
self._duration_chooser.normalize_fields()
self.emit('clicked-start')
elif response_id == gtk.RESPONSE_CANCEL:
self.emit('clicked-cancel')
self._dialog.hide()
def _on_save_button_clicked(self, button):
self._duration_chooser.normalize_fields()
(hours, minutes, seconds) = self._duration_chooser.get_duration()
name = self._name_entry.get_text()
command = self._command_entry.get_text()
next_timer = self._next_timer_combo.child.get_text()
auto_start = self._auto_start_check.get_active()
self.emit('clicked-save', name, hours, minutes, seconds, command,
next_timer, auto_start)
def _on_next_timer_combo_entry_child_changed(self, widget, data=None):
"""Validate selection of the Next Timer ComboBoxEntry."""
modelfilter = self._presets_store.filter_new()
# Loop through all rows in ListStore
# TODO: Using a generator may be more memory efficient in this case.
for row in modelfilter:
# Check that name of preset is the exact match of the the text in
# the ComboBoxEntry
if widget.get_text() == row[0]:
# Yes, it matches! Make the auto-start checkbox sensitive
# (activate it).
self._auto_start_check.set_sensitive(True)
break
else:
# If value of ComboBoxEntry is None then de-activate the
# auto-start checkbox.
self._auto_start_check.set_sensitive(False)
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