def _get_widget_path_at_line(self, lineno, root_lineno=0):
'''To get widget path of widget at line
'''
if self.text == '':
return []
text = self.text
# Remove all comments
text = re.sub(r'#.+', '', text)
lines = text.splitlines()
line = lines[lineno]
# Search for the line containing widget's name
_lineno = lineno
while line.find(':') != -1 and \
line.strip().find(':') != len(line.strip()) - 1:
lineno -= 1
line = lines[lineno]
path = []
child_count = 0
# From current line go above and
# fill number of children above widget's rule
while _lineno >= root_lineno and lines[_lineno].strip() != "" and \
get_indentation(lines[lineno]) != 0:
_lineno = lineno - 1
diff_indent = get_indentation(lines[lineno]) - \
get_indentation(lines[_lineno])
while _lineno >= root_lineno and (lines[_lineno].strip() == ''
or diff_indent <= 0):
if lines[_lineno].strip() != '' and diff_indent == 0 and \
'canvas' not in lines[_lineno] and \
(lines[_lineno].find(':') == -1 or
lines[_lineno].find(':') ==
len(lines[_lineno].rstrip()) - 1):
child_count += 1
_lineno -= 1
diff_indent = get_indentation(lines[lineno]) - \
get_indentation(lines[_lineno])
lineno = _lineno
if _lineno > root_lineno:
_lineno += 1
if 'canvas' not in lines[_lineno] and \
lines[_lineno].strip().find(':') == \
len(lines[_lineno].strip()) - 1:
path.insert(0, child_count)
child_count = 0
return path
def _get_widget_path_at_line(self, lineno, root_lineno=0):
'''To get widget path of widget at line
'''
if self.text == '':
return []
text = self.text
# Remove all comments
text = re.sub(r'#.+', '', text)
lines = text.splitlines()
line = lines[lineno]
# Search for the line containing widget's name
_lineno = lineno
while line.find(':') != -1 and \
line.strip().find(':') != len(line.strip()) - 1:
lineno -= 1
line = lines[lineno]
path = []
child_count = 0
# From current line go above and
# fill number of children above widget's rule
while _lineno >= root_lineno and lines[_lineno].strip() != "" and \
get_indentation(lines[lineno]) != 0:
_lineno = lineno - 1
diff_indent = get_indentation(lines[lineno]) - \
get_indentation(lines[_lineno])
while _lineno >= root_lineno and (lines[_lineno].strip() == ''
or diff_indent <= 0):
if lines[_lineno].strip() != '' and diff_indent == 0 and \
'canvas' not in lines[_lineno] and \
(lines[_lineno].find(':') == -1 or
lines[_lineno].find(':') ==
len(lines[_lineno].rstrip()) - 1):
child_count += 1
_lineno -= 1
diff_indent = get_indentation(lines[lineno]) - \
get_indentation(lines[_lineno])
lineno = _lineno
if _lineno > root_lineno:
_lineno += 1
if 'canvas' not in lines[_lineno] and \
lines[_lineno].strip().find(':') == \
len(lines[_lineno].strip()) - 1:
path.insert(0, child_count)
child_count = 0
return path
def _get_widget_path_at_line(self, lineno, root_lineno=0):
"""To get widget path of widget at line
"""
if self.text == "":
return []
text = self.text
# Remove all comments
text = re.sub(r"#.+", "", text)
lines = text.splitlines()
line = lines[lineno]
# Search for the line containing widget's name
_lineno = lineno
while line.find(":") != -1 and line.strip().find(":") != len(line.strip()) - 1:
lineno -= 1
line = lines[lineno]
path = []
child_count = 0
# From current line go above and
# fill number of children above widget's rule
while _lineno >= root_lineno and lines[_lineno].strip() != "" and get_indentation(lines[lineno]) != 0:
_lineno = lineno - 1
diff_indent = get_indentation(lines[lineno]) - get_indentation(lines[_lineno])
while _lineno >= root_lineno and (lines[_lineno].strip() == "" or diff_indent <= 0):
if (
lines[_lineno].strip() != ""
and diff_indent == 0
and "canvas" not in lines[_lineno]
and (lines[_lineno].find(":") == -1 or lines[_lineno].find(":") == len(lines[_lineno].rstrip()) - 1)
):
child_count += 1
_lineno -= 1
diff_indent = get_indentation(lines[lineno]) - get_indentation(lines[_lineno])
lineno = _lineno
if _lineno > root_lineno:
_lineno += 1
if "canvas" not in lines[_lineno] and lines[_lineno].strip().find(":") == len(lines[_lineno].strip()) - 1:
path.insert(0, child_count)
child_count = 0
return path
def _find_widget_place(self, path, lines, total_lines, lineno, indent=4):
'''To find the line where widget is declared according to path
'''
child_count = 0
path_index = 1
path_length = len(path)
# From starting line go down to find the widget's rule according to path
while lineno < total_lines and path_index < path_length:
line = lines[lineno]
_indent = get_indentation(line)
colon_pos = line.find(':')
if _indent == indent and line.strip() != '':
if colon_pos != -1:
line = line.rstrip()
if colon_pos == len(line) - 1 and 'canvas' not in line:
line = line[:colon_pos].lstrip()
if child_count == path[path_index]:
path_index += 1
indent = _indent + 4
child_count = 0
else:
child_count += 1
else:
child_count += 1
lineno += 1
return lineno - 1
def _find_widget_place(self, path, lines, total_lines, lineno, indent=4):
'''To find the line where widget is declared according to path
'''
child_count = 0
path_index = 1
path_length = len(path)
# From starting line go down to find the widget's rule according to path
while lineno < total_lines and path_index < path_length:
line = lines[lineno]
_indent = get_indentation(line)
colon_pos = line.find(':')
if _indent == indent and line.strip() != '':
if colon_pos != -1:
line = line.rstrip()
if colon_pos == len(line) - 1 and 'canvas' not in line:
line = line[:colon_pos].lstrip()
if child_count == path[path_index]:
path_index += 1
indent = _indent + 4
child_count = 0
else:
child_count += 1
else:
child_count += 1
lineno += 1
return lineno - 1
def get_widget_text_pos_from_kv(self,
widget,
parent=None,
path_to_widget=None):
'''To get start and end pos of widget's rule in kv text
:param path_to_widget: array with widget path
:param parent: parent of widget
:param widget: widget to find the kv text
'''
if not path_to_widget:
path_to_widget = self.get_widget_path(widget)
path_to_widget.reverse()
# Go to widget's rule's line and determines all its rule's
# and it's child if any. Then delete them
text = re.sub(r'#.+', '', self.text)
lines = text.splitlines()
total_lines = len(lines)
root_lineno = 0
root_name = self.playground.root_name
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
widget_lineno = self._find_widget_place(path_to_widget, lines,
total_lines, root_lineno + 1)
widget_line = lines[widget_lineno]
indent = len(widget_line) - len(widget_line.lstrip())
lineno = widget_lineno
_indent = indent + 1
line = widget_line
while line.strip() == '' or _indent > indent:
lineno += 1
if lineno >= total_lines:
break
line = lines[lineno]
_indent = len(line) - len(line.lstrip())
delete_until_line = lineno - 1
line = lines[delete_until_line]
while line.strip() == '':
delete_until_line -= 1
line = lines[delete_until_line]
widget_line_pos = get_line_start_pos(self.text, widget_lineno)
delete_until_line_pos = -1
if delete_until_line == total_lines - 1:
delete_until_line_pos = len(self.text)
else:
delete_until_line_pos = get_line_end_pos(self.text,
delete_until_line)
self._reload = False
return widget_line_pos, delete_until_line_pos
def get_widget_text_pos_from_kv(self, widget, parent=None,
path_to_widget=None):
'''To get start and end pos of widget's rule in kv text
:param path_to_widget: array with widget path
:param parent: parent of widget
:param widget: widget to find the kv text
'''
if not path_to_widget:
path_to_widget = self.get_widget_path(widget)
path_to_widget.reverse()
# Go to widget's rule's line and determines all its rule's
# and it's child if any. Then delete them
text = re.sub(r'#.+', '', self.text)
lines = text.splitlines()
total_lines = len(lines)
root_lineno = 0
root_name = self.playground.root_name
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
widget_lineno = self._find_widget_place(path_to_widget, lines,
total_lines, root_lineno + 1)
widget_line = lines[widget_lineno]
indent = len(widget_line) - len(widget_line.lstrip())
lineno = widget_lineno
_indent = indent + 1
line = widget_line
while line.strip() == '' or _indent > indent:
lineno += 1
if lineno >= total_lines:
break
line = lines[lineno]
_indent = len(line) - len(line.lstrip())
delete_until_line = lineno - 1
line = lines[delete_until_line]
while line.strip() == '':
delete_until_line -= 1
line = lines[delete_until_line]
widget_line_pos = get_line_start_pos(self.text, widget_lineno)
delete_until_line_pos = -1
if delete_until_line == total_lines - 1:
delete_until_line_pos = len(self.text)
else:
delete_until_line_pos = get_line_end_pos(self.text,
delete_until_line)
self._reload = False
return widget_line_pos, delete_until_line_pos
def get_class_str_from_text(self, class_name, _file_str, is_class=True):
'''To return the full class rule of class_name from _file_str
'''
_file_str += '\n'
start_pos = -1
# Find the start position of class_name
if is_class:
start_pos = _file_str.find('<' + class_name + '>:')
else:
while True:
start_pos = _file_str.find(class_name, start_pos + 1)
if start_pos == 0 or not (_file_str[start_pos - 1].isalnum() and
_file_str[start_pos - 1] != ''):
break
_line = 0
_line_pos = 0
_line_pos = _file_str.find('\n', _line_pos + 1)
while _line_pos != -1 and _line_pos < start_pos:
_line_pos = _file_str.find('\n', _line_pos + 1)
_line += 1
# Find the end position of class_name, where indentation becomes 0
# or file ends
_line += 1
lines = _file_str.splitlines()
_total_lines = len(lines)
hash_pos = 0
while hash_pos == 0 and _line < _total_lines:
hash_pos = lines[_line].find('#')
if hash_pos == 0:
_line_pos += 1 + len(lines[_line])
_line += 1
while _line < _total_lines and (lines[_line].strip() == '' or
get_indentation(lines[_line]) != 0):
_line_pos = _file_str.find('\n', _line_pos + 1)
_line += 1
hash_pos = 0
while hash_pos == 0 and _line < _total_lines:
hash_pos = lines[_line].find('#')
if hash_pos == 0:
_line += 1
end_pos = _line_pos
old_str = _file_str[start_pos: end_pos]
return old_str
def add_custom_widget(self, py_path):
'''This function is used to add a custom widget given path to its
py file.
'''
f = open(py_path, 'r')
py_string = f.read()
f.close()
# Find path to kv. py file will have Builder.load_file('path/to/kv')
_r = re.findall(r'Builder\.load_file\s*\(\s*.+\s*\)', py_string)
if _r == []:
raise ProjectLoaderException('Cannot find widget\'s kv file.')
py_string = py_string.replace(_r[0], '')
kv_path = _r[0][_r[0].find('(') + 1: _r[0].find(')')]
py_string = py_string.replace(kv_path, '')
kv_path = kv_path.replace("'", '').replace('"', '')
f = open(kv_path, 'r')
kv_string = f.read()
f.close()
# Remove all the 'app' lines
for app_str in re.findall(r'.+app+.+', kv_string):
kv_string = kv_string.replace(
app_str,
app_str[:get_indentation(app_str)] + '#' + app_str.lstrip())
Builder.load_string(kv_string)
sys.path.insert(0, os.path.dirname(kv_path))
_to_check = []
# Get all the class_rules
for class_str in re.findall(r'<+([\w_]+)>', kv_string):
if re.search(r'\bclass\s+%s+.+:' % class_str, py_string):
module = imp.new_module('CustomWidget')
exec py_string in module.__dict__
sys.modules['AppModule'] = module
class_rule = CustomWidgetRule(class_str, kv_path, py_path)
class_rule.file = py_path
class_rule.module = module
self.custom_widgets.append(class_rule)
def shift_widget(self, widget, from_index):
'''This function will shift widget's kv str from one position
to another.
:param from_index: original index of widget before moving
:param widget: shifted widget
'''
self._reload = False
path = self.get_widget_path(widget)
path.reverse()
# copies the original path
prev_path = list(path)
# get the path before shifting the widget
prev_path[-1] = len(widget.parent.children) - from_index - 1
start_pos, end_pos = self.get_widget_text_pos_from_kv(
widget, widget.parent, path_to_widget=prev_path)
widget_text = self.text[start_pos:end_pos]
if widget.parent.children.index(widget) == 0:
self.text = self.text[:start_pos] + self.text[end_pos:]
self.add_widget_to_parent(widget, widget.parent,
kv_str=widget_text)
else:
self.text = self.text[:start_pos] + self.text[end_pos:]
text = re.sub(r'#.+', '', self.text)
lines = text.splitlines()
total_lines = len(lines)
root_lineno = 0
root_name = self.playground.root_name
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
next_widget_path = path
lineno = self._find_widget_place(next_widget_path, lines,
total_lines,
root_lineno + 1)
self.cursor = (0, lineno)
self.insert_text(widget_text + '\n')
def shift_widget(self, widget, from_index):
'''This function will shift widget's kv str from one position
to another.
:param from_index: original index of widget before moving
:param widget: shifted widget
'''
self._reload = False
path = self.get_widget_path(widget)
path.reverse()
# copies the original path
prev_path = list(path)
# get the path before shifting the widget
prev_path[-1] = len(widget.parent.children) - from_index - 1
start_pos, end_pos = self.get_widget_text_pos_from_kv(
widget, widget.parent, path_to_widget=prev_path)
widget_text = self.text[start_pos:end_pos]
if widget.parent.children.index(widget) == 0:
self.text = self.text[:start_pos] + self.text[end_pos:]
self.add_widget_to_parent(widget,
widget.parent,
kv_str=widget_text)
else:
self.text = self.text[:start_pos] + self.text[end_pos:]
text = re.sub(r'#.+', '', self.text)
lines = text.splitlines()
total_lines = len(lines)
root_lineno = 0
root_name = self.playground.root_name
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
next_widget_path = path
lineno = self._find_widget_place(next_widget_path, lines,
total_lines, root_lineno + 1)
self.cursor = (0, lineno)
self.insert_text(widget_text + '\n')
def get_root_str(self, kv_str=''):
'''This function will get the root widgets rule from either kv_str
or if it is empty string then from the kv file of root widget
'''
if kv_str == '':
f = open(self.root_rule.kv_file, 'r')
kv_str = f.read()
f.close()
# Find the start position of root_rule
start_pos = kv_str.find(self.root_rule.name)
if start_pos == -1:
raise ProjectLoaderException(
'Cannot find root rule in its file')
# Get line for start_pos
_line = 0
_line_pos = 0
_line_pos = kv_str.find('\n', _line_pos + 1)
while _line_pos != -1 and _line_pos < start_pos:
_line_pos = kv_str.find('\n', _line_pos + 1)
_line += 1
# Find the end position of root_rule, where indentation becomes 0
# or file ends
_line += 1
lines = kv_str.splitlines()
_total_lines = len(lines)
while _line < _total_lines and (lines[_line].strip() == '' or
get_indentation(lines[_line]) != 0):
_line_pos = kv_str.find('\n', _line_pos + 1)
_line += 1
end_pos = _line_pos
root_old_str = kv_str[start_pos: end_pos]
for _rule in self.class_rules:
if _rule.name == self.root_rule.name:
root_old_str = "<" + root_old_str
return root_old_str
def shift_widget(self, widget, from_index):
'''This function will shift widget's kv str from one position
to another.
'''
self._reload = False
path = self._get_widget_path(widget)
path.reverse()
prev_path = [x for x in path]
prev_path[-1] = len(widget.parent.children) - from_index - 1
start_pos, end_pos = self.get_widget_text_pos_from_kv(widget,
widget.parent,
path_to_widget=
prev_path)
widget_text = self.text[start_pos:end_pos]
if widget.parent.children.index(widget) == 0:
self.text = self.text[:start_pos] + self.text[end_pos:]
self.add_widget_to_parent(widget, widget.parent,
kv_str=widget_text)
else:
self.text = self.text[:start_pos] + self.text[end_pos:]
text = re.sub(r'#.+', '', self.text)
lines = text.splitlines()
total_lines = len(lines)
root_lineno = 0
root_name = self.project_loader.root_rule.name
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
next_widget_path = path
lineno = self._find_widget_place(next_widget_path, lines,
total_lines,
root_lineno + 1)
self.cursor = (0, lineno)
self.insert_text(widget_text+'\n')
def shift_widget(self, widget, from_index):
'''This function will shift widget's kv str from one position
to another.
'''
self._reload = False
path = self._get_widget_path(widget)
path.reverse()
prev_path = [x for x in path]
prev_path[-1] = len(widget.parent.children) - from_index - 1
start_pos, end_pos = self.get_widget_text_pos_from_kv(
widget, widget.parent, path_to_widget=prev_path)
widget_text = self.text[start_pos:end_pos]
if widget.parent.children.index(widget) == 0:
self.text = self.text[:start_pos] + self.text[end_pos:]
self.add_widget_to_parent(widget,
widget.parent,
kv_str=widget_text)
else:
self.text = self.text[:start_pos] + self.text[end_pos:]
text = re.sub(r'#.+', '', self.text)
lines = text.splitlines()
total_lines = len(lines)
root_lineno = 0
root_name = self.project_loader.root_rule.name
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
next_widget_path = path
lineno = self._find_widget_place(next_widget_path, lines,
total_lines, root_lineno + 1)
self.cursor = (0, lineno)
self.insert_text(widget_text + '\n')
def add_widget_to_parent(self, widget, target, kv_str=''):
'''This function is called when widget is added to target.
It will search for line where parent is defined in text and will add
widget there.
'''
text = re.sub(r'#.+', '', self.text)
lines = text.splitlines()
total_lines = len(lines)
if total_lines == 0:
return
self._reload = False
# If target is not none then widget is not root widget
if target:
path_to_widget = self.get_widget_path(target)
path_to_widget.reverse()
root_lineno = 0
root_name = self.playground.root_name
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
parent_lineno = self._find_widget_place(path_to_widget, lines,
total_lines,
root_lineno + 1)
if parent_lineno >= total_lines:
return
# Get text of parents line
parent_line = lines[parent_lineno]
if not parent_line.strip():
return
insert_after_line = -1
if parent_line.find(':') == -1:
# If parent_line doesn't contain ':' then insert it
# Also insert widget's rule after its properties
insert_after_line = parent_lineno
_line = 0
_line_pos = -1
_line_pos = self.text.find('\n', _line_pos + 1)
while _line <= insert_after_line:
_line_pos = self.text.find('\n', _line_pos + 1)
_line += 1
self.text = self.text[:_line_pos] + ':' + self.text[_line_pos:]
indent = len(parent_line) - len(parent_line.lstrip())
else:
# If ':' in parent_line then,
# find a place to insert widget's rule
indent = len(parent_line) - len(parent_line.lstrip())
lineno = parent_lineno
_indent = indent + 1
line = parent_line
while (line.strip() == '' or _indent > indent):
lineno += 1
if lineno >= total_lines:
break
line = lines[lineno]
_indent = len(line) - len(line.lstrip())
insert_after_line = lineno - 1
line = lines[insert_after_line]
while line.strip() == '':
insert_after_line -= 1
line = lines[insert_after_line]
to_insert = ''
# counts indentation in the beginning of the string
extra_indent = len(kv_str) - len(kv_str.lstrip())
if kv_str == '':
to_insert = type(widget).__name__ + ':'
else:
to_insert = kv_str
if insert_after_line == total_lines - 1:
# if inserting at the last line
_line_pos = len(self.text) - 1
indent = get_indent_str(indent + 4 - extra_indent)
to_add = ''
for line in to_insert.splitlines():
to_add += '\n' + indent + line
self.text = self.text[:_line_pos + 1] + to_add
else:
# inserting somewhere else
insert_after_line -= 1
_line = 0
_line_pos = -1
_line_pos = self.text.find('\n', _line_pos + 1)
while _line <= insert_after_line:
_line_pos = self.text.find('\n', _line_pos + 1)
_line += 1
self.text = self.text[:_line_pos] + '\n' + \
get_indent_str(indent + 4) + to_insert + \
self.text[_line_pos:]
else:
# widget is a root widget
parent_lineno = 0
self.cursor = (0, 0)
type_name = type(widget).__name__
is_class = False
app_widgets = get_current_project().app_widgets
for rule_name in app_widgets:
if rule_name == type_name:
is_class = True
break
if not is_class:
self.insert_text(type_name + ':\n')
self.playground.load_widget(type_name)
def _load_project(self, kv_path):
'''Pivate function to load any project given by kv_path
'''
if os.path.isdir(kv_path):
self.proj_dir = kv_path
else:
self.proj_dir = os.path.dirname(kv_path)
parent_proj_dir = os.path.dirname(self.proj_dir)
sys.path.insert(0, parent_proj_dir)
self.class_rules = []
all_files_loaded = True
_file = None
for _file in os.listdir(self.proj_dir):
# Load each kv file in the directory
_file = os.path.join(self.proj_dir, _file)
if _file[_file.rfind('.'):] != '.kv':
continue
self.kv_file_list.append(_file)
f = open(_file, 'r')
kv_string = f.read()
f.close()
# Remove all the 'app' lines
for app_str in re.findall(r'.+app+.+', kv_string):
kv_string = kv_string.replace(
app_str,
app_str[:get_indentation(app_str)] +
'#' + app_str.lstrip())
# Get all the class_rules
for class_str in re.findall(r'<+([\w_]+)>', kv_string):
class_rule = ClassRule(class_str)
class_rule.kv_file = _file
self.class_rules.append(class_rule)
try:
root_name = re.findall(r'^([\w\d_]+)\:', kv_string,
re.MULTILINE)
if root_name != []:
# It will occur when there is a root rule and it can't
# be loaded by Builder because the its file
# has been imported
root_name = root_name[0]
if not hasattr(Factory, root_name):
match = re.search(r'^([\w\d_]+)\:', kv_string,
re.MULTILINE)
kv_string = kv_string[:match.start()] + \
'<' + root_name + '>:' + kv_string[match.end():]
self.root_rule = RootRule(root_name, None)
self.root_rule.kv_file = _file
self._root_rule = self.root_rule
self._is_root_already_in_factory = False
else:
self._is_root_already_in_factory = True
else:
self._is_root_already_in_factory = False
root_rule = Builder.load_string(re.sub(r'\s+on_\w+:\w+',
'', kv_string))
if root_rule:
self.root_rule = RootRule(root_rule.__class__.__name__,
root_rule)
self.root_rule.kv_file = _file
self._root_rule = self.root_rule
except Exception as e:
all_files_loaded = False
if not all_files_loaded:
raise ProjectLoaderException('Cannot load file "%s"' % (_file))
if os.path.exists(os.path.join(self.proj_dir, KV_PROJ_FILE_NAME)):
projdir_mtime = os.path.getmtime(self.proj_dir)
f = open(os.path.join(self.proj_dir, KV_PROJ_FILE_NAME), 'r')
proj_str = f.read()
f.close()
_file_is_valid = True
# Checking if the file is valid
if proj_str == '' or\
proj_str.count('<files>') != proj_str.count('</files>') or\
proj_str.count('<file>') != proj_str.count('</file>') or\
proj_str.count('<class>') != proj_str.count('</class>'):
_file_is_valid = False
if _file_is_valid:
projdir_time = proj_str[
proj_str.find('<time>') + len('<time>'):
proj_str.find('</time>')]
projdir_time = float(projdir_time.strip())
if _file_is_valid and projdir_mtime <= projdir_time:
# Project Directory folder hasn't been modified,
# file list will remain same
self.file_list = []
un_modified_files = []
start_pos = proj_str.find('<files>')
end_pos = proj_str.find('</files>')
if start_pos != -1 and end_pos != -1:
start_pos = proj_str.find('<file>', start_pos)
end_pos1 = proj_str.find('</file>', start_pos)
while start_pos < end_pos and start_pos != -1:
_file = proj_str[
start_pos + len('<file>'):end_pos1].strip()
self.file_list.append(_file)
if os.path.getmtime(_file) <= projdir_time:
un_modified_files.append(_file)
start_pos = proj_str.find('<file>', end_pos1)
end_pos1 = proj_str.find('</file>', start_pos)
for _file in self.file_list:
_dir = os.path.dirname(_file)
if _dir not in sys.path:
sys.path.insert(0, _dir)
# Reload information for app
start_pos = proj_str.find('<app>')
end_pos = proj_str.find('</app>')
if start_pos != -1 and end_pos != -1:
self._app_class = proj_str[
proj_str.find('<class>', start_pos) + len('<class>'):
proj_str.find('</class>', start_pos)].strip()
self._app_file = proj_str[
proj_str.find('<file>', start_pos) + len('<file>'):
proj_str.find('</file>', start_pos)].strip()
f = open(self._app_file, 'r')
self._app_module = self._import_module(f.read(),
self._app_file)
f.close()
# Reload information for the files which haven't been modified
start_pos = proj_str.find('<classes>')
end_pos = proj_str.find('</classes>')
if start_pos != -1 and end_pos != -1:
while start_pos < end_pos and start_pos != -1:
start_pos = proj_str.find('<class>', start_pos) +\
len('<class>')
end_pos1 = proj_str.find('</class>', start_pos)
_file = proj_str[
proj_str.find('<file>', start_pos) + len('<file>'):
proj_str.find('</file>', start_pos)].strip()
if _file in un_modified_files:
# If _file is un modified then assign it to
# class rule with _name
_name = proj_str[
proj_str.find('<name>', start_pos) +
len('<name>'):
proj_str.find('</name>', start_pos)].strip()
for _rule in self.class_rules:
if _name == _rule.name:
_rule.file = _file
f = open(_file, 'r')
_rule.module = self._import_module(
f.read(), _file, _fromlist=[_name])
f.close()
start_pos = proj_str.find('<class>', start_pos)
end_pos1 = proj_str.find('</class>', start_pos)
if self.file_list == []:
self.file_list = self._get_file_list(self.proj_dir)
# Get all files corresponding to each class
self._get_class_files()
# If root widget is not created but root class is known
# then create widget
if self.root_rule and not self.root_rule.widget and \
self.root_rule.name:
self.root_rule.widget = self.get_widget_of_class(
self.root_rule.name)
self.load_proj_config()
def save_project(self, proj_dir=''):
'''To save project to proj_dir. If proj_dir is not empty string then
project is saved to a new directory other than its
current directory and otherwise it is saved to the
current directory.
'''
# To stop ProjectWatcher from emitting event when project is saved
self.proj_watcher.allow_event_dispatch = False
proj_dir_changed = False
if self.new_project:
# Create dir and copy new_proj.kv and new_proj.py to new directory
if not os.path.exists(proj_dir):
os.mkdir(proj_dir)
kivy_designer_dir = get_kivy_designer_dir()
kivy_designer_new_proj_dir = os.path.join(kivy_designer_dir,
"new_proj")
for _file in os.listdir(kivy_designer_new_proj_dir):
old_file = os.path.join(kivy_designer_new_proj_dir, _file)
new_file = os.path.join(proj_dir, _file)
if os.path.isdir(old_file):
shutil.copytree(old_file, new_file)
else:
shutil.copy(old_file, new_file)
self.file_list = self._get_file_list(proj_dir)
new_kv_file = os.path.join(proj_dir, "main.kv")
new_py_file = os.path.join(proj_dir, "main.py")
self.proj_dir = proj_dir
if self.root_rule:
self.root_rule.kv_file = new_kv_file
self.root_rule.py_file = new_py_file
if self.class_rules:
self.class_rules[0].py_file = new_py_file
self.class_rules[0].kv_file = new_kv_file
self.new_project = False
else:
if proj_dir != '' and proj_dir != self.proj_dir:
proj_dir_changed = True
# Remove previous project directories from sys.path
for _dir in self._dir_list:
try:
sys.path.remove(_dir)
except:
pass
# if proj_dir and self.proj_dir differs then user wants to save
# an already opened project to somewhere else
# Copy all the files
if not os.path.exists(proj_dir):
os.mkdir(proj_dir)
for _file in os.listdir(self.proj_dir):
old_file = os.path.join(self.proj_dir, _file)
new_file = os.path.join(proj_dir, _file)
if os.path.isdir(old_file):
shutil.copytree(old_file, new_file)
else:
shutil.copy(old_file, new_file)
self.file_list = self._get_file_list(proj_dir)
# Change the path of all files in the class rules,
# root rule and app
relative_path = self._app_file[
self._app_file.find(self.proj_dir):]
self._app_file = os.path.join(proj_dir, relative_path)
f = open(self._app_file, 'r')
s = f.read()
f.close()
self._import_module(s, self._app_file,
_fromlist=[self._app_class])
for _rule in self.class_rules:
relative_path = _rule.kv_file[
_rule.kv_file.find(self.proj_dir):]
_rule.kv_file = os.path.join(proj_dir, relative_path)
relative_path = _rule.file[_rule.file.find(self.proj_dir):]
_rule.file = os.path.join(proj_dir, relative_path)
f = open(_rule.file, 'r')
s = f.read()
f.close()
self._import_module(s, _rule.file, _fromlist=[_rule.name])
relative_path = self.root_rule.kv_file[
self.root_rule.kv_file.find(self.proj_dir):]
self.root_rule.kv_file = os.path.join(proj_dir, relative_path)
relative_path = self.root_rule.file[
self.root_rule.file.find(self.proj_dir):]
self.root_rule.file = os.path.join(proj_dir, relative_path)
self.proj_dir = proj_dir
# For custom widgets copy py and kv file to project directory
for widget in self.custom_widgets:
custom_kv = os.path.join(self.proj_dir,
os.path.basename(widget.kv_file))
if not os.path.exists(custom_kv):
shutil.copy(widget.kv_file, custom_kv)
custom_py = os.path.join(self.proj_dir,
os.path.basename(widget.py_file))
if not os.path.exists(custom_py):
shutil.copy(widget.py_file, custom_py)
# Saving all opened py files and also reimport them
for _code_input in self.tab_pannel.list_py_code_inputs:
path = os.path.join(self.proj_dir, _code_input.rel_file_path)
f = open(path, 'w')
f.write(_code_input.text)
f.close()
_from_list = []
for rule in self.class_rules:
if rule.file == path:
_from_list.append(rule.file)
if not self.is_root_a_class_rule():
if self.root_rule.file == path:
_from_list.append(self.root_rule.name)
# Ignore all types that are not .py
if path.endswith(".py"):
self._import_module(_code_input.text, path,
_fromlist=_from_list)
# Save all class rules
text = self.kv_code_input.text
for _rule in self.class_rules:
# Get the kv text from KVLangArea and write it to class rule's file
f = open(_rule.kv_file, 'r')
_file_str = f.read()
f.close()
old_str = self.get_class_str_from_text(_rule.name, _file_str)
new_str = self.get_class_str_from_text(_rule.name, text)
f = open(_rule.kv_file, 'w')
_file_str = _file_str.replace(old_str, new_str)
f.write(_file_str)
f.close()
# If root widget is not changed
if self._root_rule.name == self.root_rule.name:
# Save root widget's rule
is_root_class = False
for _rule in self.class_rules:
if _rule.name == self.root_rule.name:
is_root_class = True
break
if not is_root_class:
f = open(self.root_rule.kv_file, 'r')
_file_str = f.read()
f.close()
old_str = self.get_class_str_from_text(self.root_rule.name,
_file_str,
is_class=False)
new_str = self.get_class_str_from_text(self.root_rule.name,
text, is_class=False)
f = open(self.root_rule.kv_file, 'w')
_file_str = _file_str.replace(old_str, new_str)
f.write(_file_str)
f.close()
else:
# If root widget is changed
# Root Widget changes, there can be these cases:
root_name = self.root_rule.name
f = open(self._app_file, 'r')
file_str = f.read()
f.close()
self._root_rule = self.root_rule
if self.is_root_a_class_rule() and self._app_file:
# Root Widget's class rule is a custom class
# and its rule is class rule. So, it already have been saved
# the string of App's build() function will be changed to
# return new root widget's class
if self._app_class != 'runTouchApp':
s = re.search(r'class\s+%s.+:' % self._app_class, file_str)
if s:
build_searchiter = None
for searchiter in re.finditer(
r'[ \ \t]+def\s+build\s*\(\s*self.+\s*:',
file_str):
if searchiter.start() > s.start():
build_searchiter = searchiter
break
if build_searchiter:
indent = get_indentation(build_searchiter.group(0))
file_str = file_str[:build_searchiter.end()] +\
'\n' + get_indent_str(2 * indent) + "return " +\
root_name + "()\n" + \
file_str[build_searchiter.end():]
else:
file_str = file_str[:s.end()] + \
"\n def build(self):\n return " + \
root_name + '()\n' + file_str[s.end():]
else:
file_str = re.sub(r'runTouchApp\s*\(.+\)',
'runTouchApp(' + root_name + '())',
file_str)
f = open(self._app_file, 'w')
f.write(file_str)
f.close()
else:
# Root Widget's rule is not a custom class
# and its rule is root rule
# Its kv_file should be of App's class name
# and App's build() function should be cleared
if not self.root_rule.kv_file:
s = self._app_class.replace('App', '').lower()
root_file = None
for _file in self.kv_file_list:
if os.path.basename(_file).find(s) == 0:
self.root_rule.kv_file = _file
break
f = open(self.root_rule.kv_file, 'r')
_file_str = f.read()
f.close()
new_str = self.get_class_str_from_text(self.root_rule.name,
text, False)
f = open(self.root_rule.kv_file, 'a')
f.write(new_str)
f.close()
if self._app_class != 'runTouchApp':
s = re.search(r'class\s+%s.+:' % self._app_class, file_str)
if s:
build_searchiter = None
for searchiter in re.finditer(
r'[ \ \t]+def\s+build\s*\(\s*self.+\s*:',
file_str):
if searchiter.start() > s.start():
build_searchiter = searchiter
break
if build_searchiter:
lines = file_str.splitlines()
total_lines = len(lines)
indent = get_indentation(build_searchiter.group(0))
_line = 0
_line_pos = -1
_line_pos = file_str.find('\n', _line_pos + 1)
while _line_pos <= build_searchiter.start():
_line_pos = file_str.find('\n', _line_pos + 1)
_line += 1
_line += 1
while _line < total_lines:
if lines[_line].strip() != '' and\
get_indentation(lines[_line]) <= \
indent:
break
_line += 1
_line -= 1
end = get_line_start_pos(file_str, _line)
start = build_searchiter.start()
file_str = file_str.replace(file_str[start:end],
' pass')
f = open(self._app_file, 'w')
f.write(file_str)
f.close()
# Allow Project Watcher to emit events
Clock.schedule_once(self._allow_proj_watcher_dispatch, 1)
def add_widget_to_parent(self, widget, target, kv_str=''):
'''This function is called when widget is added to target.
It will search for line where parent is defined in text and will add
widget there.
'''
text = re.sub(r'#.+', '', self.text)
lines = text.splitlines()
total_lines = len(lines)
if total_lines == 0:
return
self._reload = False
# If target is not none then widget is not root widget
if target:
path_to_widget = self.get_widget_path(target)
path_to_widget.reverse()
root_lineno = 0
root_name = self.playground.root_name
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
parent_lineno = self._find_widget_place(path_to_widget, lines,
total_lines,
root_lineno + 1)
if parent_lineno >= total_lines:
return
# Get text of parents line
parent_line = lines[parent_lineno]
if not parent_line.strip():
return
insert_after_line = -1
if parent_line.find(':') == -1:
# If parent_line doesn't contain ':' then insert it
# Also insert widget's rule after its properties
insert_after_line = parent_lineno
_line = 0
_line_pos = -1
_line_pos = self.text.find('\n', _line_pos + 1)
while _line <= insert_after_line:
_line_pos = self.text.find('\n', _line_pos + 1)
_line += 1
self.text = self.text[:_line_pos] + ':' + self.text[_line_pos:]
indent = len(parent_line) - len(parent_line.lstrip())
else:
# If ':' in parent_line then,
# find a place to insert widget's rule
indent = len(parent_line) - len(parent_line.lstrip())
lineno = parent_lineno
_indent = indent + 1
line = parent_line
while (line.strip() == '' or _indent > indent):
lineno += 1
if lineno >= total_lines:
break
line = lines[lineno]
_indent = len(line) - len(line.lstrip())
insert_after_line = lineno - 1
line = lines[insert_after_line]
while line.strip() == '':
insert_after_line -= 1
line = lines[insert_after_line]
to_insert = ''
# counts indentation in the beginning of the string
extra_indent = len(kv_str) - len(kv_str.lstrip())
if kv_str == '':
to_insert = type(widget).__name__ + ':'
else:
to_insert = kv_str
if insert_after_line == total_lines - 1:
# if inserting at the last line
_line_pos = len(self.text) - 1
indent = get_indent_str(indent + 4 - extra_indent)
to_add = ''
for line in to_insert.splitlines():
to_add += '\n' + indent + line
self.text = self.text[:_line_pos + 1] + to_add
else:
# inserting somewhere else
insert_after_line -= 1
_line = 0
_line_pos = -1
_line_pos = self.text.find('\n', _line_pos + 1)
while _line <= insert_after_line:
_line_pos = self.text.find('\n', _line_pos + 1)
_line += 1
self.text = self.text[:_line_pos] + '\n' + \
get_indent_str(indent + 4) + to_insert + \
self.text[_line_pos:]
else:
# widget is a root widget
parent_lineno = 0
self.cursor = (0, 0)
type_name = type(widget).__name__
is_class = False
app_widgets = get_current_project().app_widgets
for rule_name in app_widgets:
if rule_name == type_name:
is_class = True
break
if not is_class:
self.insert_text(type_name + ':\n')
self.playground.load_widget(type_name)
def set_property_value(self, widget, prop, value, proptype):
'''To find and change the value of property of widget rule in text
'''
# Do not add property if value is empty and
# property is not a string property
self._reload = False
if not isinstance(widget.properties()[prop], StringProperty) and\
value == '':
return
path_to_widget = self.get_widget_path(widget)
path_to_widget.reverse()
# Go to the line where widget is declared
lines = re.sub(r'#.+', '', self.text.rstrip()).splitlines()
total_lines = len(lines)
root_name = self.playground.root_name
total_lines = len(lines)
root_lineno = 0
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
widget_lineno = self._find_widget_place(path_to_widget, lines,
total_lines, root_lineno + 1)
widget_line = lines[widget_lineno]
if not widget_line.strip():
return
indent = get_indentation(widget_line)
prop_found = False
if ':' not in widget_line:
# If cannot find ':' then insert it
self.cursor = (len(lines[widget_lineno]), widget_lineno)
lines[widget_lineno] += ':'
self.insert_text(':')
else:
# Else find if property has already been declared with a value
lineno = widget_lineno + 1
# But if widget line is the last line in the text
if lineno < total_lines:
line = lines[lineno]
_indent = get_indentation(line)
colon_pos = -1
while lineno < total_lines and (line.strip() == '' or
_indent > indent):
line = lines[lineno]
_indent = get_indentation(line)
if line.strip() != '':
colon_pos = line.find(':')
if colon_pos == -1:
break
if colon_pos == len(line.rstrip()) - 1:
break
if prop == line[:colon_pos].strip():
prop_found = True
break
lineno += 1
if prop_found:
# if property found then change its value
_pos_prop_value = get_line_start_pos(self.text, lineno) + \
colon_pos + 2
if lineno == total_lines - 1:
_line_end_pos = len(self.text)
else:
_line_end_pos = get_line_end_pos(self.text, lineno)
if proptype == 'StringProperty' or \
(proptype == 'OptionProperty' and
not isinstance(value, list)):
value = "'{}'".format(value.replace("'", "\\'"))
self.text = self.text[:_pos_prop_value] + ' ' + str(value) + \
self.text[_line_end_pos:]
self.cursor = (0, lineno)
else:
# if not found then add property after the widgets line
_line_start_pos = get_line_start_pos(self.text, widget_lineno)
_line_end_pos = get_line_end_pos(self.text, widget_lineno)
if proptype == 'StringProperty' or \
(proptype == 'OptionProperty' and
not isinstance(value, list)):
value = "'{}'".format(value.replace("'", "\\'"))
indent_str = '\n'
for i in range(indent + 4):
indent_str += ' '
self.cursor = (len(lines[widget_lineno]), widget_lineno)
self.insert_text(indent_str + prop + ': ' + str(value))
def get_property_value(self, widget, prop):
self._reload = False
if prop[:3] != 'on_' and \
not isinstance(widget.properties()[prop], StringProperty) and\
value == '':
return
path_to_widget = self.get_widget_path(widget)
path_to_widget.reverse()
# Go to the line where widget is declared
lines = re.sub(r'#.+', '', self.text).splitlines()
total_lines = len(lines)
root_name = self.playground.root_name
total_lines = len(lines)
root_lineno = 0
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
widget_lineno = self._find_widget_place(path_to_widget, lines,
total_lines, root_lineno + 1)
widget_line = lines[widget_lineno]
indent = get_indentation(widget_line)
prop_found = False
# Else find if property has already been declared with a value
lineno = widget_lineno + 1
# But if widget line is the last line in the text
if lineno < total_lines:
line = lines[lineno]
_indent = get_indentation(line)
colon_pos = -1
while lineno < total_lines and (line.strip() == ''
or _indent > indent):
line = lines[lineno]
_indent = get_indentation(line)
if line.strip() != '':
colon_pos = line.find(':')
if colon_pos == -1:
break
if colon_pos == len(line.rstrip()) - 1:
break
if prop == line[:colon_pos].strip():
prop_found = True
break
lineno += 1
if prop_found:
# if property found then change its value
_pos_prop_value = get_line_start_pos(self.text, lineno) + \
colon_pos + 2
if lineno == total_lines - 1:
_line_end_pos = len(self.text)
else:
_line_end_pos = get_line_end_pos(self.text, lineno)
return self.text[_pos_prop_value:_line_end_pos]
return ''
def set_property_value(self, widget, prop, value, proptype):
'''To find and change the value of property of widget rule in text
'''
# Do not add property if value is empty and
# property is not a string property
self._reload = False
if not isinstance(widget.properties()[prop], StringProperty) and\
value == '':
return
path_to_widget = self.get_widget_path(widget)
path_to_widget.reverse()
# Go to the line where widget is declared
lines = re.sub(r'#.+', '', self.text.rstrip()).splitlines()
total_lines = len(lines)
root_name = self.playground.root_name
total_lines = len(lines)
root_lineno = 0
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
widget_lineno = self._find_widget_place(path_to_widget, lines,
total_lines, root_lineno + 1)
widget_line = lines[widget_lineno]
if not widget_line.strip():
return
indent = get_indentation(widget_line)
prop_found = False
if ':' not in widget_line:
# If cannot find ':' then insert it
self.cursor = (len(lines[widget_lineno]), widget_lineno)
lines[widget_lineno] += ':'
self.insert_text(':')
else:
# Else find if property has already been declared with a value
lineno = widget_lineno + 1
# But if widget line is the last line in the text
if lineno < total_lines:
line = lines[lineno]
_indent = get_indentation(line)
colon_pos = -1
while lineno < total_lines and (line.strip() == ''
or _indent > indent):
line = lines[lineno]
_indent = get_indentation(line)
if line.strip() != '':
colon_pos = line.find(':')
if colon_pos == -1:
break
if colon_pos == len(line.rstrip()) - 1:
break
if prop == line[:colon_pos].strip():
prop_found = True
break
lineno += 1
if prop_found:
# if property found then change its value
_pos_prop_value = get_line_start_pos(self.text, lineno) + \
colon_pos + 2
if lineno == total_lines - 1:
_line_end_pos = len(self.text)
else:
_line_end_pos = get_line_end_pos(self.text, lineno)
if proptype == 'StringProperty' or \
(proptype == 'OptionProperty' and
not isinstance(value, list)):
value = "'{}'".format(value.replace("'", "\\'"))
self.text = self.text[:_pos_prop_value] + ' ' + str(value) + \
self.text[_line_end_pos:]
self.cursor = (0, lineno)
else:
# if not found then add property after the widgets line
_line_start_pos = get_line_start_pos(self.text, widget_lineno)
_line_end_pos = get_line_end_pos(self.text, widget_lineno)
if proptype == 'StringProperty' or \
(proptype == 'OptionProperty' and
not isinstance(value, list)):
value = "'{}'".format(value.replace("'", "\\'"))
indent_str = '\n'
for i in range(indent + 4):
indent_str += ' '
self.cursor = (len(lines[widget_lineno]), widget_lineno)
self.insert_text(indent_str + prop + ': ' + str(value))
def set_event_handler(self, widget, prop, value):
self._reload = False
path_to_widget = self.get_widget_path(widget)
path_to_widget.reverse()
# Go to the line where widget is declared
lines = re.sub(r'#.+', '', self.text).splitlines()
total_lines = len(lines)
root_name = self.playground.root_name
total_lines = len(lines)
root_lineno = 0
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
widget_lineno = self._find_widget_place(path_to_widget, lines,
total_lines, root_lineno + 1)
widget_line = lines[widget_lineno]
indent = get_indentation(widget_line)
prop_found = False
if not widget_line.strip():
return
if ':' not in widget_line:
# If cannot find ':' then insert it
self.cursor = (len(lines[widget_lineno]), widget_lineno)
lines[widget_lineno] += ':'
self.insert_text(':')
else:
# Else find if property has already been declared with a value
lineno = widget_lineno + 1
# But if widget line is the last line in the text
if lineno < total_lines:
line = lines[lineno]
_indent = get_indentation(line)
colon_pos = -1
while lineno < total_lines and (line.strip() == ''
or _indent > indent):
line = lines[lineno]
_indent = get_indentation(line)
if line.strip() != '':
colon_pos = line.find(':')
if colon_pos == -1:
break
if colon_pos == len(line.rstrip()) - 1:
break
if prop == line[:colon_pos].strip():
prop_found = True
break
lineno += 1
if prop_found:
if lineno == total_lines - 1:
_line_end_pos = len(self.text)
else:
_line_end_pos = get_line_end_pos(self.text, lineno)
if value != '':
# if property found then change its value
_pos_prop_value = get_line_start_pos(self.text, lineno) + \
colon_pos + 2
self.text = self.text[:_pos_prop_value] + ' ' + value + \
self.text[_line_end_pos:]
self.cursor = (0, lineno)
else:
_line_start_pos = get_line_start_pos(self.text, widget_lineno)
self.text = \
self.text[:get_line_start_pos(self.text, lineno)] + \
self.text[_line_end_pos:]
elif value != '':
# if not found then add property after the widgets line
_line_end_pos = get_line_end_pos(self.text, widget_lineno)
indent_str = '\n'
for i in range(indent + 4):
indent_str += ' '
self.cursor = (len(lines[widget_lineno]), widget_lineno)
self.insert_text(indent_str + prop + ': ' + str(value))
def get_property_value(self, widget, prop):
self._reload = False
if prop[:3] != 'on_' and \
not isinstance(widget.properties()[prop], StringProperty) and\
value == '':
return
path_to_widget = self.get_widget_path(widget)
path_to_widget.reverse()
# Go to the line where widget is declared
lines = re.sub(r'#.+', '', self.text).splitlines()
total_lines = len(lines)
root_name = self.playground.root_name
total_lines = len(lines)
root_lineno = 0
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
widget_lineno = self._find_widget_place(path_to_widget, lines,
total_lines, root_lineno + 1)
widget_line = lines[widget_lineno]
indent = get_indentation(widget_line)
prop_found = False
# Else find if property has already been declared with a value
lineno = widget_lineno + 1
# But if widget line is the last line in the text
if lineno < total_lines:
line = lines[lineno]
_indent = get_indentation(line)
colon_pos = -1
while lineno < total_lines and (line.strip() == '' or
_indent > indent):
line = lines[lineno]
_indent = get_indentation(line)
if line.strip() != '':
colon_pos = line.find(':')
if colon_pos == -1:
break
if colon_pos == len(line.rstrip()) - 1:
break
if prop == line[:colon_pos].strip():
prop_found = True
break
lineno += 1
if prop_found:
# if property found then change its value
_pos_prop_value = get_line_start_pos(self.text, lineno) + \
colon_pos + 2
if lineno == total_lines - 1:
_line_end_pos = len(self.text)
else:
_line_end_pos = get_line_end_pos(self.text, lineno)
return self.text[_pos_prop_value:_line_end_pos]
return ''
def add_widget_to_parent(self, widget, target, kv_str=""):
"""This function is called when widget is added to target.
It will search for line where parent is defined in text and will add
widget there.
"""
text = re.sub(r"#.+", "", self.text)
lines = text.splitlines()
total_lines = len(lines)
if total_lines == 0:
return
self._reload = False
# If target is not none then widget is not root widget
if target:
path_to_widget = self._get_widget_path(target)
path_to_widget.reverse()
root_lineno = 0
root_name = self.playground.root_name
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
parent_lineno = self._find_widget_place(path_to_widget, lines, total_lines, root_lineno + 1)
if parent_lineno >= total_lines:
return
# Get text of parents line
parent_line = lines[parent_lineno]
if not parent_line.strip():
return
insert_after_line = -1
if parent_line.find(":") == -1:
# If parent_line doesn't contain ':' then insert it
# Also insert widget's rule after its properties
insert_after_line = parent_lineno
_line = 0
_line_pos = -1
_line_pos = self.text.find("\n", _line_pos + 1)
while _line <= insert_after_line:
_line_pos = self.text.find("\n", _line_pos + 1)
_line += 1
self.text = self.text[:_line_pos] + ":" + self.text[_line_pos:]
indent = len(parent_line) - len(parent_line.lstrip())
else:
# If ':' in parent_line then,
# find a place to insert widget's rule
indent = len(parent_line) - len(parent_line.lstrip())
lineno = parent_lineno
_indent = indent + 1
line = parent_line
while line.strip() == "" or _indent > indent:
lineno += 1
if lineno >= total_lines:
break
line = lines[lineno]
_indent = len(line) - len(line.lstrip())
insert_after_line = lineno - 1
line = lines[insert_after_line]
while line.strip() == "":
insert_after_line -= 1
line = lines[insert_after_line]
to_insert = ""
if kv_str == "":
to_insert = type(widget).__name__ + ":"
else:
to_insert = kv_str.strip()
if insert_after_line == total_lines - 1:
# if inserting at the last line
_line_pos = len(self.text) - 1
self.text = self.text[: _line_pos + 1] + "\n" + get_indent_str(indent + 4) + to_insert
else:
# inserting somewhere else
insert_after_line -= 1
_line = 0
_line_pos = -1
_line_pos = self.text.find("\n", _line_pos + 1)
while _line <= insert_after_line:
_line_pos = self.text.find("\n", _line_pos + 1)
_line += 1
self.text = (
self.text[:_line_pos] + "\n" + get_indent_str(indent + 4) + to_insert + self.text[_line_pos:]
)
else:
# widget is a root widget
parent_lineno = 0
self.cursor = (0, 0)
type_name = type(widget).__name__
is_class = False
app_widgets = get_current_project().app_widgets
for rule_name in app_widgets:
if rule_name == type_name:
is_class = True
break
if not is_class:
self.insert_text(type_name + ":\n")
self.playground.load_widget(type_name)
def set_event_handler(self, widget, prop, value):
self._reload = False
path_to_widget = self.get_widget_path(widget)
path_to_widget.reverse()
# Go to the line where widget is declared
lines = re.sub(r'#.+', '', self.text).splitlines()
total_lines = len(lines)
root_name = self.playground.root_name
total_lines = len(lines)
root_lineno = 0
for lineno, line in enumerate(lines):
pos = line.find(root_name)
if pos != -1 and get_indentation(line) == 0:
root_lineno = lineno
break
widget_lineno = self._find_widget_place(path_to_widget, lines,
total_lines, root_lineno + 1)
widget_line = lines[widget_lineno]
indent = get_indentation(widget_line)
prop_found = False
if not widget_line.strip():
return
if ':' not in widget_line:
# If cannot find ':' then insert it
self.cursor = (len(lines[widget_lineno]), widget_lineno)
lines[widget_lineno] += ':'
self.insert_text(':')
else:
# Else find if property has already been declared with a value
lineno = widget_lineno + 1
# But if widget line is the last line in the text
if lineno < total_lines:
line = lines[lineno]
_indent = get_indentation(line)
colon_pos = -1
while lineno < total_lines and (line.strip() == '' or
_indent > indent):
line = lines[lineno]
_indent = get_indentation(line)
if line.strip() != '':
colon_pos = line.find(':')
if colon_pos == -1:
break
if colon_pos == len(line.rstrip()) - 1:
break
if prop == line[:colon_pos].strip():
prop_found = True
break
lineno += 1
if prop_found:
if lineno == total_lines - 1:
_line_end_pos = len(self.text)
else:
_line_end_pos = get_line_end_pos(self.text, lineno)
if value != '':
# if property found then change its value
_pos_prop_value = get_line_start_pos(self.text, lineno) + \
colon_pos + 2
self.text = self.text[:_pos_prop_value] + ' ' + value + \
self.text[_line_end_pos:]
self.cursor = (0, lineno)
else:
_line_start_pos = get_line_start_pos(self.text, widget_lineno)
self.text = \
self.text[:get_line_start_pos(self.text, lineno)] + \
self.text[_line_end_pos:]
elif value != '':
# if not found then add property after the widgets line
_line_end_pos = get_line_end_pos(self.text, widget_lineno)
indent_str = '\n'
for i in range(indent + 4):
indent_str += ' '
self.cursor = (len(lines[widget_lineno]), widget_lineno)
self.insert_text(indent_str + prop + ': ' + str(value))
