def _getTableDimensions(self, info: textInfos.TextInfo) -> Tuple[int, int]:
"""
Fetches information about the deepest table dimension.
@param info: the position where the table cell should be looked for.
@returns: a tuple of table height and width.
@raises: LookupError if there is no table cell at this position.
"""
if info.isCollapsed:
info = info.copy()
info.expand(textInfos.UNIT_CHARACTER)
fields = list(info.getTextWithFields())
layoutIDs = self._maybeGetLayoutTableIds(info)
for field in reversed(fields):
if not (isinstance(field, textInfos.FieldCommand)
and field.command == "controlStart"
and field.field.get("role") == controlTypes.Role.TABLE):
# Not a table control field.
continue
attrs = field.field
tableID = attrs.get('table-id')
if tableID is None or tableID in layoutIDs:
continue
break
else:
raise LookupError("Not in a table cell")
try:
nRows = int(attrs.get("table-rowcount"))
nCols = int(attrs.get("table-columncount"))
except (TypeError, ValueError):
raise LookupError("Not in a table cell")
return (nRows, nCols)
def _getTableCellCoords(
self,
info: textInfos.TextInfo,
) -> _TableCell:
"""
Fetches information about the deepest table cell at the given position.
@param info: the position where the table cell should be looked for.
@returns: Information about requested cell.
@raises: LookupError if there is no table cell at this position.
"""
if info.isCollapsed:
info = info.copy()
info.expand(textInfos.UNIT_CHARACTER)
fields = list(info.getTextWithFields())
layoutIDs = self._maybeGetLayoutTableIds(info)
for field in reversed(fields):
if not (isinstance(field, textInfos.FieldCommand)
and field.command == "controlStart"):
# Not a control field.
continue
attrs = field.field
tableID = attrs.get('table-id')
if tableID is None or tableID in layoutIDs:
continue
if "table-columnnumber" in attrs and not attrs.get('table-layout'):
break
else:
raise LookupError("Not in a table cell")
return _TableCell(
attrs["table-id"],
attrs["table-rownumber"],
attrs["table-columnnumber"],
attrs.get("table-rowsspanned", 1),
attrs.get("table-columnsspanned", 1),
)
def getRectFromTextInfo(textInfo: textInfos.TextInfo) -> locationHelper.RectLTRB: if textInfo.isCollapsed: textInfo.expand(textInfos.UNIT_CHARACTER) try: rects = textInfo.boundingRects except NotImplementedError: rects = None if rects: index = 0 if textInfo.obj.isTextSelectionAnchoredAtStart else -1 rect = rects[index].toLTRB() else: rect = locationHelper.RectLTRB.fromPoint(textInfo.pointAtStart) return rect
def getMathMlFromTextInfo(pos: textInfos.TextInfo) -> Optional[str]:
"""Get MathML (if any) at the start of a TextInfo.
@param pos: The TextInfo in question.
@return: The MathML or C{None} if there is no math.
"""
pos = pos.copy()
pos.expand(textInfos.UNIT_CHARACTER)
for item in reversed(pos.getTextWithFields()):
if not isinstance(
item,
textInfos.FieldCommand) or item.command != "controlStart":
continue
field = item.field
if field.get("role") != controlTypes.Role.MATH:
continue
try:
return pos.getMathMl(field)
except (NotImplementedError, LookupError):
continue
return None
def _maybeGetLayoutTableIds(self, info: textInfos.TextInfo):
"""
If "Include layout tables" option is on, this will
compute the set of layout tables that this textInfo is enclosed in,
otherwise it will return empty set.
@param info: the position where the layout tables should be looked for.
@returns: A set of table IDs or empty set.
"""
fields = list(info.getTextWithFields())
# If layout tables should not be reported, we should First record the ID of all layout tables,
# so that we can skip them when searching for the deepest table
layoutIDs = set()
if not config.conf["documentFormatting"]["includeLayoutTables"]:
for field in fields:
if (isinstance(field, textInfos.FieldCommand)
and field.command == "controlStart"
and field.field.get('table-layout')):
tableID = field.field.get('table-id')
if tableID is not None:
layoutIDs.add(tableID)
return layoutIDs
def _getText(self, ti: TextInfo) -> str:
return "\n".join(ti.getTextInChunks(UNIT_LINE))
def updateCaret(self, updater: textInfos.TextInfo) -> None: updater.updateCaret() if config.conf["reviewCursor"]["followCaret"]: api.setReviewPosition(updater, isCaret=True)