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#!/usr/bin/env python
# vi: sw=4 et
# Copyright 2008 by Kate Scheppke and Wade Brainerd.
# This file is part of Typing Turtle.
#
# Typing Turtle 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 3 of the License, or
# (at your option) any later version.
#
# Typing Turtle 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 Typing Turtle. If not, see <http://www.gnu.org/licenses/>.
# Import standard Python modules.
import logging, os, math, time, copy, locale, datetime, random, re
from gettext import gettext as _
# Import PyGTK.
import gobject, pygtk, gtk, pango
# Import Sugar UI modules.
import sugar.activity.activity
import sugar.graphics.style
# Import activity modules.
import editlessonscreen
class EditLessonListScreen(gtk.VBox):
def __init__(self, activity, lessons):
gtk.VBox.__init__(self)
self.activity = activity
self.lessons = lessons
# Add the header.
title = gtk.Label()
title.set_markup("<span size='20000'><b>" + _("Edit Lessons") + "</b></span>")
title.set_alignment(1.0, 0.0)
stoplabel = gtk.Label(_('Go Back'))
stopbtn = gtk.Button()
stopbtn.add(stoplabel)
stopbtn.connect('clicked', self.stop_clicked_cb)
titlebox = gtk.HBox()
titlebox.pack_start(stopbtn, False, False, 10)
titlebox.pack_end(title, False, False, 10)
# Add the lesson list.
self.treeview = gtk.TreeView()
self.treeview.set_rules_hint(True)
self.treeview.set_enable_search(False)
self.treeview.connect('cursor-changed', self.lesson_selected_cb)
self.treeview.connect('row-activated', self.lesson_activated_cb)
# Note that the only thing we store in our liststore is the lesson id.
# All the actual data is in the lessons list.
self.liststore = gtk.ListStore(gobject.TYPE_INT)
self.treeview.set_model(self.liststore)
# Construct the columns.
renderer = gtk.CellRendererText()
col = gtk.TreeViewColumn(_('Name'), renderer)
col.set_cell_data_func(renderer, self.name_render_cb)
self.treeview.append_column(col)
renderer = gtk.CellRendererText()
col = gtk.TreeViewColumn(_('Description'), renderer)
col.set_cell_data_func(renderer, self.description_render_cb)
col.set_expand(True)
self.treeview.append_column(col)
renderer = gtk.CellRendererText()
col = gtk.TreeViewColumn(_('Type'), renderer)
col.set_cell_data_func(renderer, self.type_render_cb)
col.set_expand(False)
self.treeview.append_column(col)
scroll = gtk.ScrolledWindow()
scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
scroll.add(self.treeview)
self.addbtn = gtk.Button()
self.addbtn.add(sugar.graphics.icon.Icon(icon_name='list-add'))
self.addbtn.connect('clicked', self.add_lesson_clicked_cb)
self.delbtn = gtk.Button()
self.delbtn.add(sugar.graphics.icon.Icon(icon_name='list-remove'))
self.delbtn.connect('clicked', self.del_lesson_clicked_cb)
self.delbtn.set_sensitive(False)
self.moveupbtn = gtk.Button()
self.moveupbtn.add(sugar.graphics.icon.Icon(icon_name='go-up'))
self.moveupbtn.connect('clicked', self.move_lesson_up_clicked_cb)
self.moveupbtn.set_sensitive(False)
self.movedownbtn = gtk.Button()
self.movedownbtn.add(sugar.graphics.icon.Icon(icon_name='go-down'))
self.movedownbtn.connect('clicked', self.move_lesson_down_clicked_cb)
self.movedownbtn.set_sensitive(False)
btnbox = gtk.HBox()
btnbox.pack_end(self.addbtn, False, False)
btnbox.pack_end(self.delbtn, False, False)
btnbox.pack_end(self.moveupbtn, False, False)
btnbox.pack_end(self.movedownbtn, False, False)
self.pack_start(titlebox, False, False, 10)
self.pack_start(gtk.HSeparator(), False, False, 0)
self.pack_start(scroll, True, True, 10)
self.pack_start(btnbox, False, False, 10)
self.build()
self.show_all()
def build(self):
# Fill the lesson list.
self.liststore.clear()
for t in range(0, len(self.lessons)):
self.liststore.append((0,))
def name_render_cb(self, column, cell_renderer, model, iter):
id = model.get_path(iter)[0]
t = self.lessons[id]
cell_renderer.set_property('text', t['name'])
def description_render_cb(self, column, cell_renderer, model, iter):
id = model.get_path(iter)[0]
t = self.lessons[id]
cell_renderer.set_property('text', t['description'])
def type_render_cb(self, column, cell_renderer, model, iter):
id = model.get_path(iter)[0]
t = self.lessons[id]
if t['type'] == 'normal':
cell_renderer.set_property('text', _('Text'))
if t['type'] == 'balloon':
cell_renderer.set_property('text', _('Balloon Game'))
def stop_clicked_cb(self, btn):
# Assign lesson order.
num = 0
for l in self.lessons:
l['order'] = num
num = num + 1
# Refresh the main screen given the new lesson data.
if self.activity.mainscreen.lesson_index >= len(self.lessons):
self.activity.mainscreen.lesson_index = len(self.lessons) - 1
self.activity.mainscreen.show_lesson(self.activity.mainscreen.lesson_index)
self.activity.pop_screen()
def add_lesson_clicked_cb(self, btn):
lesson = { 'name':'', 'description':'', 'type':'normal', 'steps':[ { 'instructions':'', 'text':'' } ] }
self.lessons.append(lesson)
self.activity.push_screen(editlessonscreen.EditLessonScreen(self.activity, lesson))
self.liststore.append()
def del_lesson_clicked_cb(self, btn):
if len(self.lessons) > 1:
path = self.treeview.get_cursor()[0]
if path:
id = path[0]
self.lessons.pop(id)
del self.liststore[id]
self.treeview.get_selection().select_path(id)
self.treeview.grab_focus()
def move_lesson_up_clicked_cb(self, btn):
path = self.treeview.get_cursor()[0]
if path:
id = path[0]
if id > 0:
lesson = self.lessons.pop(id)
self.lessons.insert(id - 1, lesson)
self.liststore.swap(self.liststore.get_iter(id), self.liststore.get_iter(id - 1))
self.treeview.get_selection().select_path(id - 1)
self.treeview.grab_focus()
def move_lesson_down_clicked_cb(self, btn):
path = self.treeview.get_cursor()[0]
if path:
id = path[0]
if id < len(self.lessons) - 1:
lesson = self.lessons.pop(id)
self.lessons.insert(id + 1, lesson)
self.liststore.swap(self.liststore.get_iter(id), self.liststore.get_iter(id + 1))
self.treeview.get_selection().select_path(id + 1)
self.treeview.grab_focus()
def lesson_selected_cb(self, treeview):
path = treeview.get_cursor()[0]
enable = path is not None
self.delbtn.set_sensitive(True)
self.moveupbtn.set_sensitive(True)
self.movedownbtn.set_sensitive(True)
def lesson_activated_cb(self, treeview, path, column):
id = path[0]
lesson = self.lessons[id]
self.activity.push_screen(editlessonscreen.EditLessonScreen(self.activity, lesson))
def enter(self):
self.delbtn.set_sensitive(False)
self.moveupbtn.set_sensitive(False)
self.movedownbtn.set_sensitive(False)
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