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QWERTYkez.ExcelProcessor/Editors/ExcelRow.cs
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393
QWERTYkez.ExcelProcessor/Editors/ExcelRow.cs
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namespace QWERTYkez.ExcelProcessor.Editors;
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/// <summary>
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/// Внутренняя реализация <see cref="IRow"/>.
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/// </summary>
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internal sealed class ExcelRow : IRow
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{
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private readonly ExcelWriter _writer;
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private readonly ExcelSheet _sheet;
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private uint _rowIndex;
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internal ExcelRow(ExcelWriter writer, ExcelSheet sheet, uint rowIndex)
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{
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_writer = writer;
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_sheet = sheet;
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_rowIndex = rowIndex;
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}
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/// <inheritdoc />
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public uint Index => _rowIndex;
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/// <summary>Устанавливает высоту строки без создания объекта IRow.</summary>
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internal static void SetHeight(ExcelWriter writer, ExcelSheet sheet, uint rowIndex, RowHeight height)
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{
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writer.ThrowIfDisposed();
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lock (writer._syncLock)
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{
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var row = GetOrCreateRowElementInternal(sheet, rowIndex);
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row.Height = height.Points;
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row.CustomHeight = true;
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}
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}
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/// <summary>Возвращает высоту строки.</summary>
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internal static RowHeight GetHeight(ExcelWriter writer, ExcelSheet sheet, uint rowIndex)
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{
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writer.ThrowIfDisposed();
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lock (writer._syncLock)
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{
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var row = GetRowElementInternal(sheet, rowIndex);
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if (row is { } r && r.CustomHeight?.HasValue == true && r.Height?.Value is { } hei)
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return RowHeight.FromPoints(hei);
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return RowHeight.FromPoints(15.0); // стандартная высота
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}
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}
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// Вспомогательные методы
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private static Row? GetRowElementInternal(ExcelSheet sheet, uint rowIndex)
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{
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var sheetData = sheet.GetSheetData();
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foreach (var row in sheetData.Elements<Row>())
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if (row.RowIndex?.Value == rowIndex) return row;
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return null;
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}
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private static Row GetOrCreateRowElementInternal(ExcelSheet sheet, uint rowIndex)
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{
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var existing = GetRowElementInternal(sheet, rowIndex);
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if (existing != null) return existing;
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var sheetData = sheet.GetSheetData();
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var newRow = new Row { RowIndex = rowIndex };
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InsertRowElementInternal(sheetData, newRow, rowIndex);
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return newRow;
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}
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private static void InsertRowElementInternal(SheetData sheetData, Row row, uint rowIndex)
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{
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bool inserted = false;
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foreach (var existing in sheetData.Elements<Row>().ToList())
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{
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if (existing.RowIndex?.Value > rowIndex)
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{
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existing.InsertBeforeSelf(row);
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inserted = true;
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break;
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}
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}
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if (!inserted) sheetData.Append(row);
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}
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/// <inheritdoc />
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public IRow MoveTo(uint index)
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{
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if (index == _rowIndex) return this;
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_writer.ThrowIfDisposed();
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lock (_writer._syncLock)
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{
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var sheetData = _sheet.GetSheetData();
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// Находим элемент строки
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var rowElement = FindRowElement(sheetData, _rowIndex);
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if (rowElement == null)
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{
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// Пустая строка — просто меняем индекс
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_rowIndex = index;
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return this;
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}
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// Удаляем из текущей позиции
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rowElement.Remove();
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// Вставляем в новую позицию
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InsertRowElement(sheetData, rowElement, index);
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// Обновляем RowIndex в элементе
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rowElement.RowIndex = index;
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_rowIndex = index;
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}
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return this;
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}
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/// <inheritdoc />
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public RowHeight Height
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{
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get
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{
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_writer.ThrowIfDisposed();
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lock (_writer._syncLock)
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{
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var rowElement = GetOrCreateRowElement();
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if (rowElement.Height?.Value is double h && rowElement.CustomHeight?.Value == true)
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return RowHeight.FromPoints(h);
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// Стандартная высота, если не задана (обычно 15 пунктов)
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return RowHeight.FromPoints(15.0);
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}
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}
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set
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{
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_writer.ThrowIfDisposed();
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lock (_writer._syncLock)
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{
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var rowElement = GetOrCreateRowElement();
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rowElement.Height = value.Points;
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rowElement.CustomHeight = true;
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}
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}
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}
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/// <inheritdoc />
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public IRow SetNumberFormat(NumberFormatPattern format)
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{
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if (format == null) return this;
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_writer.ThrowIfDisposed();
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lock (_writer._syncLock)
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{
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// Находим все ячейки в этой строке и устанавливаем формат
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var sheetData = _sheet.GetSheetData();
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var rowElement = FindRowElement(sheetData, _rowIndex);
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if (rowElement == null) return this;
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int formatIndex = GetOrCreateNumberFormatId(format);
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foreach (var cell in rowElement.Elements<Cell>())
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cell.StyleIndex = (uint)formatIndex;
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}
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return this;
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}
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/// <inheritdoc />
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public ICell Cell(uint col) => new ExcelCell(_writer, _sheet, _rowIndex, col);
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/// <inheritdoc />
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public IRow Cell(uint col, Action<ICell> edit)
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{
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edit(Cell(col)); return this;
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}
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public IRow Cell(uint col, string value)
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{
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Cell(col).Set(value); return this;
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}
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public IRow Cell(uint col, bool value)
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{
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Cell(col).Set(value); return this;
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}
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public IRow Cell(uint col, string value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(uint col, DateTime value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(uint col, decimal value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(uint col, double value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(uint col, float value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(uint col, int value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(uint col, long value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(string col, Action<ICell> edit)
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{
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edit(Cell(col)); return this;
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}
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public IRow Cell(string col, string value)
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{
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Cell(col).Set(value); return this;
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}
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public IRow Cell(string col, bool value)
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{
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Cell(col).Set(value); return this;
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}
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public IRow Cell(string col, string value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(string col, DateTime value, NumberFormatPattern? format = null)
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{
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throw new NotImplementedException();
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}
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public IRow Cell(string col, decimal value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(string col, double value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(string col, float value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(string col, int value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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public IRow Cell(string col, long value, NumberFormatPattern? format = null)
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{
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Cell(col).Set(value, format); return this;
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}
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/// <inheritdoc />
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public ICell Cell(string col) => Cell(CellAddressHelper.ColumnLetterToIndex(col));
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/// <inheritdoc />
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public IRow EditCell(string col, Action<ICell> edit)
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{
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edit(Cell(col)); return this;
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}
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/// <inheritdoc />
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public void ClearContents()
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{
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_writer.ThrowIfDisposed();
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lock (_writer._syncLock)
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{
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var rowElement = FindRowElement(_sheet.GetSheetData(), _rowIndex);
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if (rowElement == null) return;
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foreach (var cell in rowElement.Elements<Cell>().ToList())
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{
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cell.Remove();
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}
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}
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}
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/// <inheritdoc />
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public void ClearFormats()
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{
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_writer.ThrowIfDisposed();
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lock (_writer._syncLock)
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{
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var rowElement = FindRowElement(_sheet.GetSheetData(), _rowIndex);
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if (rowElement == null) return;
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foreach (var cell in rowElement.Elements<Cell>())
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{
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cell.StyleIndex = null;
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}
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}
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}
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/// <inheritdoc />
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public void Clear()
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{
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ClearContents();
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ClearFormats();
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}
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/// <inheritdoc />
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public void Remove()
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{
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_writer.ThrowIfDisposed();
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lock (_writer._syncLock)
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{
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var sheetData = _sheet.GetSheetData();
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var rowElement = FindRowElement(sheetData, _rowIndex);
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rowElement?.Remove();
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// Сдвиг индексов последующих строк вниз в Open XML не требуется, т.к. они имеют свои RowIndex.
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// Но при последующем доступе по индексам нужно будет корректировать.
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}
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}
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/// <inheritdoc />
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public IRow CopyTo(uint index, out IRow copiedRow)
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{
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_writer.ThrowIfDisposed();
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lock (_writer._syncLock)
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{
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var sourceRow = FindRowElement(_sheet.GetSheetData(), _rowIndex);
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if (sourceRow == null)
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{
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copiedRow = new ExcelRow(_writer, _sheet, index);
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return this;
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}
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// Клонируем элемент строки
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var clonedRow = (Row)sourceRow.CloneNode(true);
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clonedRow.RowIndex = index;
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// Вставляем в новую позицию
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var sheetData = _sheet.GetSheetData();
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InsertRowElement(sheetData, clonedRow, index);
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copiedRow = new ExcelRow(_writer, _sheet, index);
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return this;
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}
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}
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// Вспомогательные методы
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private Row GetOrCreateRowElement()
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{
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var sheetData = _sheet.GetSheetData();
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var existing = FindRowElement(sheetData, _rowIndex);
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if (existing != null) return existing;
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var newRow = new Row { RowIndex = _rowIndex };
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InsertRowElement(sheetData, newRow, _rowIndex);
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return newRow;
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}
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private static Row? FindRowElement(SheetData sheetData, uint rowIndex)
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{
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// Поиск по атрибуту RowIndex. В Open XML строки могут идти не по порядку.
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foreach (var row in sheetData.Elements<Row>())
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{
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if (row.RowIndex?.Value == rowIndex)
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return row;
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}
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return null;
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}
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private static void InsertRowElement(SheetData sheetData, Row row, uint rowIndex)
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{
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// Вставка с сохранением сортировки по RowIndex
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bool inserted = false;
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foreach (var existing in sheetData.Elements<Row>().ToList())
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{
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if (existing.RowIndex?.Value > rowIndex)
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{
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existing.InsertBeforeSelf(row);
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inserted = true;
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break;
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}
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}
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if (!inserted)
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sheetData.Append(row);
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}
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private int GetOrCreateNumberFormatId(NumberFormatPattern format)
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{
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// Создаём стиль, содержащий только числовой формат, и возвращаем его индекс
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return _writer.GetOrCreateCellFormatId(numberFormat: format);
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}
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}
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