def _item_selected(self, start_line, start_column, end_line, end_column):
"""Handle when an item is selected from tree or error tab.
:param int start_line: line where the selection starts
:param int start_column: column where the selection starts
:param int end_line: line where the selection ends
:param int end_column: column where the selection ends
"""
self.editor.setFocus()
# remove empty line and whitespaces at the end of selection
if end_line > start_line and end_line > 1:
last_line_text = self.editor.text(end_line-1)
if end_column > len(last_line_text):
end_column = len(last_line_text) + 1
last_line_text_selected = last_line_text[:end_column-1]
if LineAnalyzer.is_empty(last_line_text_selected):
end_line -= 1
end_line_text = self.editor.text(end_line-1)
end_column = len(end_line_text)
# select in reversed order - move cursor to the beginning of selection
self.editor.mark_selected(end_line, end_column, start_line, start_column)
def test_is_empty(line, expected):
assert LineAnalyzer.is_empty(line) == expected