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import logging
logger = logging.getLogger(__name__)
class HighlightableTextMixin(object):
@property
def highlight_state(self):
if not getattr(self, "_highlight_state", False):
self._highlight_state = False
self._highlight_case_sensitive = False
self._highlight_string = None
return self._highlight_state
@property
def highlight_content(self):
if self.highlight_state:
return self.get_highlight_text()
else:
return self.highlight_source
def highlight(self, start, end):
self._highlight_state = True
self._highlight_location = (start, end)
self.on_highlight()
def unhighlight(self):
self._highlight_state = False
self._highlight_location = None
self.on_unhighlight()
def get_highlight_text(self):
if not self._highlight_location:
return None
return [
(self.highlightable_attr_normal, self.highlight_source[:self._highlight_location[0]]),
(self.highlightable_attr_highlight, self.highlight_source[self._highlight_location[0]:self._highlight_location[1]]),
(self.highlightable_attr_normal, self.highlight_source[self._highlight_location[1]:]),
]
@property
def highlight_source(self):
raise NotImplementedError
@property
def highlightable_attr_normal(self):
raise NotImplementedError
@property
def highlightable_attr_highlight(self):
raise NotImplementedError
def on_highlight(self):
pass
def on_unhighlight(self):
pass
__all__ = ["HighlightableTextMixin"]
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