Files
2024-11-03 10:49:42 +00:00

97 lines
3.2 KiB
Python

# sumaexcel/merge.py
from typing import List, Tuple, Dict
from openpyxl.worksheet.worksheet import Worksheet
from openpyxl.worksheet.merge import MergedCellRange
class MergeManager:
"""Handle merge cell operations"""
def __init__(self, worksheet: Worksheet):
self.worksheet = worksheet
self._merged_ranges: List[MergedCellRange] = []
self._load_merged_ranges()
def _load_merged_ranges(self) -> None:
"""Load existing merged ranges from worksheet"""
self._merged_ranges = list(self.worksheet.merged_cells.ranges)
def merge_cells(
self,
start_row: int,
start_col: int,
end_row: int,
end_col: int
) -> None:
"""Merge cells in specified range"""
self.worksheet.merge_cells(
start_row=start_row,
start_column=start_col,
end_row=end_row,
end_column=end_col
)
self._load_merged_ranges()
def unmerge_cells(
self,
start_row: int,
start_col: int,
end_row: int,
end_col: int
) -> None:
"""Unmerge cells in specified range"""
self.worksheet.unmerge_cells(
start_row=start_row,
start_column=start_col,
end_row=end_row,
end_column=end_col
)
self._load_merged_ranges()
def copy_merged_cells(
self,
source_range: Tuple[int, int, int, int],
target_start_row: int,
target_start_col: int
) -> None:
"""Copy merged cells from source range to target position"""
src_row1, src_col1, src_row2, src_col2 = source_range
row_offset = target_start_row - src_row1
col_offset = target_start_col - src_col1
for merged_range in self._merged_ranges:
if (src_row1 <= merged_range.min_row <= src_row2 and
src_col1 <= merged_range.min_col <= src_col2):
new_row1 = merged_range.min_row + row_offset
new_col1 = merged_range.min_col + col_offset
new_row2 = merged_range.max_row + row_offset
new_col2 = merged_range.max_col + col_offset
self.merge_cells(new_row1, new_col1, new_row2, new_col2)
def shift_merged_cells(
self,
start_row: int,
rows: int = 0,
cols: int = 0
) -> None:
"""Shift merged cells by specified number of rows and columns"""
new_ranges = []
for merged_range in self._merged_ranges:
if merged_range.min_row >= start_row:
new_row1 = merged_range.min_row + rows
new_col1 = merged_range.min_col + cols
new_row2 = merged_range.max_row + rows
new_col2 = merged_range.max_col + cols
self.worksheet.unmerge_cells(
start_row=merged_range.min_row,
start_column=merged_range.min_col,
end_row=merged_range.max_row,
end_column=merged_range.max_col
)
new_ranges.append((new_row1, new_col1, new_row2, new_col2))
for new_range in new_ranges:
self.merge_cells(*new_range)