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# coding: UTF-8
# Copyright 2009 Thomas Jourdan
#
# 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 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 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os.path
import webbrowser
import ka_debug
import ka_extensionpoint
import ka_task
import ka_html_page
_DETAILS_PAGE_NUMBER = 4
class DetailsController(ka_html_page.HtmlPage):
"""
inv: self._activity_root is not None
inv: self._produced_files_list is not None
inv: self._drawing_page is not None
"""
def __init__(self, controller, widget_tree):
"""
pre: controller is not None
pre: widget_tree is not None
"""
super(DetailsController, self).__init__(_DETAILS_PAGE_NUMBER,
self.on_switch_page,
'details_scrolledwindow',
widget_tree)
self._file_uri = ''
self._produced_files_list = []
self._activity_root = controller.activity_root
self._drawing_page = self._widget_tree.get_widget('kandidNotebook'). \
get_nth_page(_DETAILS_PAGE_NUMBER)
def close(self):
"""Clean up"""
files = [fp for fp in self._produced_files_list if os.path.isfile(fp)]
for file_path in files:
# print 'unlink', file_path
os.unlink(file_path)
folders = [fp for fp in self._produced_files_list if os.path.isdir(fp)]
for file_path in folders:
# print 'rmdir', file_path
os.rmdir(file_path)
def on_switch_page(self):
"""Only a dummy."""
pass
def task_explain(self, task, *args, **kwargs):
"""Render zoom view of protozoon.
pre: len(args) >= 1
"""
protozoon = args[0]
ka_debug.info('task_explain entry: ')
folder = os.path.join(self._activity_root, 'tmp')
ep_key = 'html'
formater = ka_extensionpoint.create('formater_'+ep_key,
'index',
protozoon.get_unique_id(),
folder)
protozoon.explain(task, formater)
file_path = formater.get_absolutename(ep_key)
formater.write_html_file(file_path)
self._produced_files_list.extend(formater.produced_files_list)
self._produced_files_list.append(formater.get_pathname())
self._file_uri = 'file://' + file_path
ka_debug.info('task_explain exit: %s' % (self._file_uri))
def start_calculation(self, protozoon):
"""Start explaining of a protozoon.
pre: protozoon is not None
"""
ka_debug.info('DetailsController.start_calculation %s' %
(protozoon.get_unique_id()))
task = ka_task.GeneratorTask(self.task_explain,
self.on_explain_completed,
'explain')
task.start(protozoon)
def on_explain_completed(self, *args):
"""HTML file and PNGs are created. Time to switch to a browser widget.
"""
ka_debug.info('on_explain_completed %s' % (self._file_uri))
if len(self._file_uri) > 0:
if ka_debug.locale_testrun:
# Only for testing on my computer
result = webbrowser.open(self._file_uri)
ka_debug.info('webbrowser.open: [%s] %s' %
(self._file_uri, str(result)))
if self._htmlview is not None:
self._htmlview.load_uri(self._file_uri)
self._drawing_page.show()
self._widget_tree.get_widget('kandidNotebook'). \
set_current_page(_DETAILS_PAGE_NUMBER)
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