def _perform_load_widget(self, widget_name, update_kv_lang=True):
'''Loads the widget if everything is ok
:param widget_name name of the widget to display
:param update_kv_lang if True, reloads the kv file. If False, keep the
kv lang text
'''
self.root_name = widget_name
self.root = None
self.sandbox.clear_widgets()
widgets = get_current_project().app_widgets
try:
target = widgets[widget_name]
if update_kv_lang:
# updates kv lang text with file
kv_path = target.kv_path
if kv_path:
self.kv_code_input.text = open(kv_path).read()
else:
show_message(
'Could not found the associated .kv file with %s'
' widget' % widget_name, 5, 'error')
self.kv_code_input.text = ''
self.root_app_widget = target
wdg = get_app_widget(target)
if wdg is None:
self.kv_code_input.have_error = True
self.add_widget_to_parent(wdg, None, from_undo=True, from_kv=True)
self.kv_code_input.path = target.kv_path
except (KeyError, AttributeError):
show_message('Failed to load %s widget' % widget_name, 5, 'error')
def _perform_load_widget(self, widget_name, update_kv_lang=True):
'''Loads the widget if everything is ok
:param widget_name name of the widget to display
:param update_kv_lang if True, reloads the kv file. If False, keep the
kv lang text
'''
self.root_name = widget_name
self.root = None
self.sandbox.clear_widgets()
widgets = get_current_project().app_widgets
try:
target = widgets[widget_name]
if update_kv_lang:
# updates kv lang text with file
kv_path = target.kv_path
if kv_path:
self.kv_code_input.text = open(kv_path,
encoding='utf-8').read()
else:
show_message(
'Could not found the associated .kv file with %s'
' widget' % widget_name, 5, 'error'
)
self.kv_code_input.text = ''
self.root_app_widget = target
wdg = get_app_widget(target)
if wdg is None:
self.kv_code_input.have_error = True
self.add_widget_to_parent(wdg, None, from_undo=True, from_kv=True)
self.kv_code_input.path = target.kv_path
except (KeyError, AttributeError):
show_message(
'Failed to load %s widget' % widget_name, 5, 'error')
def _file_node_clicked(self, instance, touch):
'''This is emmited whenever any file node of Project Tree is
clicked. This will open up a tab in DesignerTabbedPanel, for
editing that py file.
'''
# Travel upwards and find the path of instance clicked
path = instance.text
parent = instance.parent_node
while parent != self._root_node:
_path = parent.text
path = os.path.join(_path, path)
parent = parent.parent_node
full_path = os.path.join(self.project.path, path)
if os.path.basename(full_path) == 'buildozer.spec':
self.tab_pannel.show_buildozer_spec_editor(self.project)
else:
ext = path[path.rfind('.'):]
if ext not in SUPPORTED_EXT:
show_message('This extension is not yet supported', 5, 'error')
return
if ext == '.kv':
self.ui_creator.playground.load_widget_from_file(full_path)
self.tab_pannel.switch_to(self.tab_pannel.tab_list[-1])
else:
self.tab_pannel.open_file(full_path, path)
def _file_node_clicked(self, instance, touch):
'''This is emmited whenever any file node of Project Tree is
clicked. This will open up a tab in DesignerTabbedPanel, for
editing that py file.
'''
# Travel upwards and find the path of instance clicked
path = instance.text
parent = instance.parent_node
while parent != self._root_node:
_path = parent.text
path = os.path.join(_path, path)
parent = parent.parent_node
full_path = os.path.join(self.project.path, path)
if os.path.basename(full_path) == 'buildozer.spec':
self.tab_pannel.show_buildozer_spec_editor(self.project)
else:
ext = path[path.rfind('.'):]
if ext not in SUPPORTED_EXT:
show_message('This extension is not yet supported', 5, 'error')
return
if ext == '.kv':
self.ui_creator.playground.load_widget_from_file(full_path)
self.tab_pannel.switch_to(self.tab_pannel.tab_list[-1])
else:
self.tab_pannel.open_file(full_path, path)
def runcode(self, _code):
"""Execute a code object.
When an exception occurs, self.showtraceback() is called to
display a traceback. All exceptions are caught except
SystemExit, which is reraised.
A note about KeyboardInterrupt: this exception may occur
elsewhere in this code, and may not always be caught. The
caller should be prepared to deal with it.
"""
org_stdout = sys.stdout
sys.stdout = PseudoFile(self)
try:
exec(_code, self.locals)
except SystemExit:
show_message(
'It\'s not possible to exit from Kivy Designer Python console',
5, 'error'
)
except:
self.showtraceback()
sys.stdout = org_stdout
def _add_event(self, *args):
'''This function will create a new event given by 'txt' to the widget.
'''
# Find the class definition
py_code_input = None
txt = self.txt
rel_path = self.rel_path
for tab_item in self.designer_tabbed_panel.tab_list:
if not hasattr(tab_item, 'rel_path'):
continue
if tab_item.rel_path == rel_path:
if hasattr(tab_item.content, 'code_input'):
py_code_input = tab_item.content.code_input
break
if py_code_input is None:
show_message('Failed to create a custom event', 5, 'error')
return
pos = -1
for searchiter in re.finditer(r'class\s+%s\(.+\):' %
type(self.widget).__name__,
py_code_input.text):
pos = searchiter.end()
if pos != -1:
col, row = py_code_input.get_cursor_from_index(pos)
row += 1
lines = py_code_input.text.splitlines()
found_events = False
events_row = row
for i in range(row, len(lines)):
if re.match(r'\s+__events__\s*=\s*\(.+\)', lines[i]):
found_events = True
events_row = i
break
elif re.match('class\s+[\w\d\_]+\(.+\):', lines[i]):
break
elif re.match('def\s+[\w\d\_]+\(.+\):', lines[i]):
break
if found_events:
events_col = lines[events_row].rfind(')') - 1
py_code_input.cursor = events_col, events_row
py_code_input.insert_text(', "%s" ' % txt.text)
py_code_input.cursor = 0, events_row + 1
py_code_input.insert_text(
'\n def %s(self, *args):\n pass\n' % txt.text
)
else:
py_code_input.text = py_code_input.text[:pos] + \
'\n\n __events__=("%s",)\n\n'\
' def %s(self, *args):\n pass\n' % \
(txt.text, txt.text) +\
py_code_input.text[pos:]
show_message('New event created!', 5, 'info')
def _add_event(self, *args):
'''This function will create a new event given by 'txt' to the widget.
'''
# Find the class definition
py_code_input = None
txt = self.txt
rel_path = self.rel_path
for tab_item in self.designer_tabbed_panel.tab_list:
if not hasattr(tab_item, 'rel_path'):
continue
if tab_item.rel_path == rel_path:
if hasattr(tab_item.content, 'code_input'):
py_code_input = tab_item.content.code_input
break
if py_code_input is None:
show_message('Failed to create a custom event', 5, 'error')
return
pos = -1
for searchiter in re.finditer(
r'class\s+%s\(.+\):' % type(self.widget).__name__,
py_code_input.text):
pos = searchiter.end()
if pos != -1:
col, row = py_code_input.get_cursor_from_index(pos)
row += 1
lines = py_code_input.text.splitlines()
found_events = False
events_row = row
for i in range(row, len(lines)):
if re.match(r'\s+__events__\s*=\s*\(.+\)', lines[i]):
found_events = True
events_row = i
break
elif re.match('class\s+[\w\d\_]+\(.+\):', lines[i]):
break
elif re.match('def\s+[\w\d\_]+\(.+\):', lines[i]):
break
if found_events:
events_col = lines[events_row].rfind(')') - 1
py_code_input.cursor = events_col, events_row
py_code_input.insert_text(', "%s" ' % txt.text)
py_code_input.cursor = 0, events_row + 1
py_code_input.insert_text(
'\n def %s(self, *args):\n pass\n' % txt.text)
else:
py_code_input.text = py_code_input.text[:pos] + \
'\n\n __events__=("%s",)\n\n'\
' def %s(self, *args):\n pass\n' % \
(txt.text, txt.text) +\
py_code_input.text[pos:]
show_message('New event created!', 5, 'info')
def _perform_do_add(self, instance, selected_files, *args):
'''Add the selected files to git index
'''
try:
self.repo.index.add(selected_files)
show_message('%d file(s) added to Git index' % len(selected_files),
5, 'info')
get_designer().close_popup()
except GitCommandError as e:
show_alert('Git Add', 'Failed to add files to Git!\n' + str(e))
def _perform_do_add(self, instance, selected_files, *args):
'''Add the selected files to git index
'''
try:
self.repo.index.add(selected_files)
show_message('%d file(s) added to Git index' %
len(selected_files), 5, 'info')
get_designer().close_popup()
except GitCommandError as e:
show_alert('Git Add', 'Failed to add files to Git!\n' + str(e))
def do_init(self, *args):
'''Git init
'''
try:
self.repo = Repo.init(self.path, mkdir=False)
self.repo.index.commit('Init commit')
self.is_repo = True
self._update_menu()
show_message('Git repo initialized', 5, 'info')
except:
show_alert('Git Init', 'Failted to initialize repo!')
def do_init(self, *args):
'''Git init
'''
try:
self.repo = Repo.init(self.path, mkdir=False)
self.repo.index.commit('Init commit')
self.is_repo = True
self._update_menu()
show_message('Git repo initialized', 5, 'info')
except:
show_alert('Git Init', 'Failted to initialize repo!')
def _perform_do_commit(self, input, *args):
'''Perform the git commit with data from InputDialog
'''
message = input.get_user_input()
if self.repo.is_dirty():
try:
self.repo.git.commit('-am', message)
show_message('Commit: ' + message, 5, 'info')
except GitCommandError as e:
show_alert('Git Commit', 'Failed to commit!\n' + str(e))
else:
show_alert('Git Commit', 'There is nothing to commit')
get_designer().close_popup()
def show_errors(self, *args):
'''Pop errors got in the last operations and display it on
Error Console
'''
errors = list(self._errors)
show_error_console('')
if len(errors):
show_message(
'Errors found while parsing the project. Check Error Console',
5, 'error')
for er in range(0, len(errors)):
show_error_console('\n\nError: %d\n' % (er + 1), append=True)
show_error_console(errors[er], append=True)
self._errors.remove(errors[er])
def _perform_do_commit(self, input, *args):
'''Perform the git commit with data from InputDialog
'''
message = input.get_user_input()
if self.repo.is_dirty():
try:
self.repo.git.commit('-am', message)
show_message('Commit: ' + message, 5, 'info')
except GitCommandError as e:
show_alert('Git Commit', 'Failed to commit!\n' + str(e))
else:
show_alert('Git Commit', 'There is nothing to commit')
get_designer().close_popup()
def pull(*args):
'''Do a pull in a separated thread
'''
try:
remote_repo.pull(progress=progress)
def set_progress_done(*args):
progress.label.text = 'Completed!'
Clock.schedule_once(set_progress_done, 1)
progress.stop()
show_message('Git remote pull completed!', 5)
except GitCommandError as e:
progress.label.text = 'Failed to pull!\n' + str(e)
get_designer().close_popup()
def pull(*args):
'''Do a pull in a separated thread
'''
try:
remote_repo.pull(progress=progress)
def set_progress_done(*args):
progress.label.text = 'Completed!'
Clock.schedule_once(set_progress_done, 1)
progress.stop()
show_message('Git remote pull completed!', 5)
except GitCommandError as e:
progress.label.text = 'Failed to pull!\n' + str(e)
get_designer().close_popup()
def push(*args):
'''Do a push in a separated thread
'''
try:
remote_repo.push(self.repo.active_branch.name,
progress=progress)
def set_progress_done(*args):
progress.label.text = 'Completed!'
Clock.schedule_once(set_progress_done, 1)
progress.stop()
show_message('Git remote push completed!', 5, 'info')
except GitCommandError as e:
progress.label.text = 'Failed to push!\n' + str(e)
show_message('Failed to push', 5, 'error')
get_designer().close_popup()
def push(*args):
'''Do a push in a separated thread
'''
try:
remote_repo.push(self.repo.active_branch.name,
progress=progress)
def set_progress_done(*args):
progress.label.text = 'Completed!'
Clock.schedule_once(set_progress_done, 1)
progress.stop()
show_message('Git remote push completed!', 5, 'info')
except GitCommandError as e:
progress.label.text = 'Failed to push!\n' + str(e)
show_message('Failed to push', 5, 'error')
get_designer().close_popup()
def load_widget_from_file(self, kv_path):
'''Loads first widget from a file
:param kv_path: absolute kv path
'''
self.sandbox.clear_widgets()
proj = get_current_project()
widgets = proj.app_widgets
if not os.path.exists(kv_path):
show_message(kv_path + ' not exists', 5, 'error')
return
self.kv_code_input.text = open(kv_path, 'r', encoding='utf-8').read()
self.kv_code_input.path = kv_path
for key in widgets:
wd = widgets[key]
if wd.kv_path == kv_path:
self.load_widget(wd.name, update_kv_lang=False)
return
# if not found a widget in the path, open the first one
if len(widgets):
first_wdg = widgets[list(widgets.keys())[-1]]
self.load_widget(first_wdg.name, update_kv_lang=False)
return
show_message('No widget was found', 5, 'error')
def load_widget_from_file(self, kv_path):
'''Loads first widget from a file
:param kv_path: absolute kv path
'''
self.sandbox.clear_widgets()
proj = get_current_project()
widgets = proj.app_widgets
if not os.path.exists(kv_path):
show_message(kv_path + ' not exists', 5, 'error')
return
self.kv_code_input.text = open(kv_path, 'r').read()
self.kv_code_input.path = kv_path
for key in widgets:
wd = widgets[key]
if wd.kv_path == kv_path:
self.load_widget(wd.name, update_kv_lang=False)
return
# if not found a widget in the path, open the first one
if len(widgets):
first_wdg = widgets[list(widgets.keys())[-1]]
self.load_widget(first_wdg.name, update_kv_lang=False)
return
show_message('No widget was found', 5, 'error')
def on_reload_kv(self, kv_lang_area, text, force):
'''Reloads widgets from kv lang input and update the
visible widget.
if force is True, all widgets must be reloaded before parsing the new kv
:param force: if True, will parse the project again
:param text: kv source
:param kv_lang_area: instance of kivy lang area
'''
proj = get_current_project()
# copy of initial widgets
widgets = dict(proj.app_widgets)
try:
if force:
proj.parse()
if self.root_name:
kv_path = widgets[self.root_name].kv_path
else:
kv_path = self.kv_code_input.path
proj.parse_kv(text, kv_path)
# if was displaying one widget, but it was removed
if self.root_name and self.root_name not in proj.app_widgets:
self.load_widget_from_file(self.root_app_widget.kv_path)
show_message(
'The %s is not available. Displaying another widget'
% self.root_name, 5, 'info'
)
elif not self.root_name and not widgets and proj.app_widgets:
# if was not displaying a widget because there was no widget
# and now a widget is available
first_wdg = proj.app_widgets[list(proj.app_widgets.keys())[-1]]
self.load_widget(first_wdg.name, update_kv_lang=False)
else:
# displaying an usual widget
self.load_widget(self.root_name, update_kv_lang=False)
except KeyError:
show_message(
'Failed to load %s widget' % self.root_name, 5, 'error')
def on_reload_kv(self, kv_lang_area, text, force):
'''Reloads widgets from kv lang input and update the
visible widget.
if force is True, all widgets must be reloaded before parsing the new kv
:param force: if True, will parse the project again
:param text: kv source
:param kv_lang_area: instance of kivy lang area
'''
proj = get_current_project()
# copy of initial widgets
widgets = dict(proj.app_widgets)
try:
if force:
proj.parse()
if self.root_name:
kv_path = widgets[self.root_name].kv_path
else:
kv_path = self.kv_code_input.path
proj.parse_kv(text, kv_path)
# if was displaying one widget, but it was removed
if self.root_name and self.root_name not in proj.app_widgets:
self.load_widget_from_file(self.root_app_widget.kv_path)
show_message(
'The %s is not available. Displaying another widget' %
self.root_name, 5, 'info')
elif not self.root_name and not widgets and proj.app_widgets:
# if was not displaying a widget because there was no widget
# and now a widget is available
first_wdg = proj.app_widgets[list(proj.app_widgets.keys())[-1]]
self.load_widget(first_wdg.name, update_kv_lang=False)
else:
# displaying an usual widget
self.load_widget(self.root_name, update_kv_lang=False)
except KeyError:
show_message('Failed to load %s widget' % self.root_name, 5,
'error')
def runcode(self, _code):
"""Execute a code object.
When an exception occurs, self.showtraceback() is called to
display a traceback. All exceptions are caught except
SystemExit, which is reraised.
A note about KeyboardInterrupt: this exception may occur
elsewhere in this code, and may not always be caught. The
caller should be prepared to deal with it.
"""
org_stdout = sys.stdout
sys.stdout = PseudoFile(self)
try:
exec(_code, self.locals)
except SystemExit:
show_message(
'It\'s not possible to exit from Kivy Designer Python console',
5, 'error')
except:
self.showtraceback()
sys.stdout = org_stdout
def no_widget(self, *args):
'''Remove any reamining sandbox content and shows an message
'''
self.root = None
show_message('No widget found!', 5, 'error')
self.sandbox.clear_widgets()
def no_widget(self, *args):
'''Remove any reamining sandbox content and shows an message
'''
self.root = None
show_message('No widget found!', 5, 'error')
self.sandbox.clear_widgets()
