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Adjust merged cells when moving cells

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This commit is contained in:
Kostas Dizas 2018-12-02 02:38:58 +00:00
parent c804b4c569
commit 36d6b9823d
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2 changed files with 80 additions and 0 deletions
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35
source/worksheet/worksheet.cpp
View File

@ -878,6 +878,41 @@ void worksheet::move_cells(std::uint32_t min_index, std::uint32_t amount, row_or
add_column_properties(prop.first, prop.second);
}
}
// adjust merged cells
auto shift_reference = [min_index, amount, row_or_col, reverse](cell_reference &ref)
{
auto index = row_or_col == row_or_col_t::row ?
ref.row() :
ref.column_index();
if (index >= min_index)
{
auto new_index = reverse ? index - amount : index + amount;
if (row_or_col == row_or_col_t::row)
{
ref.row(new_index);
}
else if (row_or_col == row_or_col_t::column)
{
ref.column_index(new_index);
}
}
};
for (auto merged_cell = d_->merged_cells_.begin(); merged_cell != d_->merged_cells_.end(); ++merged_cell)
{
cell_reference new_top_left = merged_cell->top_left();
shift_reference(new_top_left);
cell_reference new_bottom_right = merged_cell->bottom_right();
shift_reference(new_bottom_right);
range_reference new_range {new_top_left, new_bottom_right};
if (*merged_cell != new_range)
{
*merged_cell = new_range;
}
}
}
bool worksheet::operator==(const worksheet &other) const

45
tests/worksheet/worksheet_test_suite.cpp
View File

@ -109,6 +109,7 @@ public:
register_test(test_delete_rows);
register_test(test_delete_columns);
register_test(test_insert_too_many);
register_test(test_insert_delete_moves_merges);
}
void test_new_worksheet()
@ -1500,5 +1501,49 @@ public:
xlnt_assert_throws(ws.insert_rows(10, 4294967290),
xlnt::exception);
}
void test_insert_delete_moves_merges()
{
xlnt::workbook wb;
auto ws = wb.active_sheet();
ws.merge_cells("A1:A2");
ws.merge_cells("B2:B3");
ws.merge_cells("C3:C4");
ws.merge_cells("A5:B5");
ws.merge_cells("B6:C6");
ws.merge_cells("C7:D7");
{
ws.insert_rows(3, 3);
ws.insert_columns(3, 3);
auto merged = ws.merged_ranges();
std::vector<xlnt::range_reference> expected =
{
xlnt::range_reference { "A1:A2" }, // stays
xlnt::range_reference { "B2:B6" }, // expands
xlnt::range_reference { "F6:F7" }, // shifts
xlnt::range_reference { "A8:B8" }, // stays (shifted down)
xlnt::range_reference { "B9:F9" }, // expands (shifted down)
xlnt::range_reference { "F10:G10" }, // shifts (shifted down)
};
xlnt_assert_equals(merged, expected);
}
{
ws.delete_rows(4, 2);
ws.delete_columns(4, 2);
auto merged = ws.merged_ranges();
std::vector<xlnt::range_reference> expected =
{
xlnt::range_reference { "A1:A2" }, // stays
xlnt::range_reference { "B2:B4" }, // expands
xlnt::range_reference { "D4:D5" }, // shifts
xlnt::range_reference { "A6:B6" }, // stays (shifted down)
xlnt::range_reference { "B7:D7" }, // expands (shifted down)
xlnt::range_reference { "D8:E8" }, // shifts (shifted down)
};
xlnt_assert_equals(merged, expected);
}
}
};
static worksheet_test_suite x;