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melekhin
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QWERTYkez.ExcelProcessor/Editors/CellBorder.cs
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281
QWERTYkez.ExcelProcessor/Editors/CellBorder.cs
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namespace QWERTYkez.ExcelProcessor.Editors;
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/// <summary>
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/// Определяет границы ячейки: верхнюю, нижнюю, левую, правую и диагональные.
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/// Каждая граница может иметь стиль и цвет.
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/// </summary>
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public readonly struct CellBorder : IEquatable<CellBorder>
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{
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/// <summary>Верхняя граница.</summary>
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public BorderSide? TopBorder { get; init; }
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/// <summary>Нижняя граница.</summary>
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public BorderSide? BottomBorder { get; init; }
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/// <summary>Левая граница.</summary>
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public BorderSide? LeftBorder { get; init; }
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/// <summary>Правая граница.</summary>
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public BorderSide? RightBorder { get; init; }
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/// <summary>Диагональная граница «из левого верхнего в правый нижний» (\\).</summary>
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public BorderSide? DiagonalLeft { get; init; }
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/// <summary>Диагональная граница «из левого нижнего в правый верхний» (//).</summary>
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public BorderSide? DiagonalRight { get; init; }
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/// <summary>Создаёт элемент Border для Open XML.</summary>
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public Border? ToBorder()
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{
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bool hasAny = TopBorder.HasValue || BottomBorder.HasValue || LeftBorder.HasValue ||
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RightBorder.HasValue || DiagonalLeft.HasValue || DiagonalRight.HasValue;
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if (!hasAny) return null;
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var border = new Border();
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if (TopBorder.HasValue)
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border.TopBorder = TopBorder.Value.ToBorderElement<TopBorder>();
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if (BottomBorder.HasValue)
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border.BottomBorder = BottomBorder.Value.ToBorderElement<BottomBorder>();
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if (LeftBorder.HasValue)
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border.LeftBorder = LeftBorder.Value.ToBorderElement<LeftBorder>();
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if (RightBorder.HasValue)
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border.RightBorder = RightBorder.Value.ToBorderElement<RightBorder>();
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// Обработка диагональных границ
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if (DiagonalLeft.HasValue || DiagonalRight.HasValue)
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{
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// Диагональ \\ (из левого верхнего в правый нижний) = DiagonalDown
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border.DiagonalDown = DiagonalLeft.HasValue;
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// Диагональ // (из левого нижнего в правый верхний) = DiagonalUp
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border.DiagonalUp = DiagonalRight.HasValue;
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// Стиль и цвет берём из первой заданной диагонали (например, DiagonalLeft)
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var diagSide = (DiagonalLeft ?? DiagonalRight)!.Value;
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border.DiagonalBorder = diagSide.ToBorderElement<DiagonalBorder>();
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}
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return border;
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}
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/// <summary>Создаёт CellBorder из элемента Border Open XML.</summary>
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public static CellBorder FromBorder(Border? border)
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{
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if (border == null)
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return default;
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var result = new CellBorder
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{
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TopBorder = BorderSide.FromBorderProperties(border.TopBorder),
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BottomBorder = BorderSide.FromBorderProperties(border.BottomBorder),
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LeftBorder = BorderSide.FromBorderProperties(border.LeftBorder),
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RightBorder = BorderSide.FromBorderProperties(border.RightBorder)
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};
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// Диагональные границы
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if (border.DiagonalDown?.Value == true)
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result = result with { DiagonalLeft = BorderSide.FromBorderProperties(border.DiagonalBorder) };
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if (border.DiagonalUp?.Value == true)
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result = result with { DiagonalRight = BorderSide.FromBorderProperties(border.DiagonalBorder) };
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return result;
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}
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public override bool Equals(object? obj) => obj is CellBorder other && Equals(other);
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public bool Equals(CellBorder other) => this == other;
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public static bool operator ==(CellBorder left, CellBorder right) =>
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Equals(left.TopBorder, right.TopBorder) &&
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Equals(left.BottomBorder, right.BottomBorder) &&
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Equals(left.LeftBorder, right.LeftBorder) &&
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Equals(left.RightBorder, right.RightBorder) &&
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Equals(left.DiagonalLeft, right.DiagonalLeft) &&
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Equals(left.DiagonalRight, right.DiagonalRight);
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public static bool operator !=(CellBorder left, CellBorder right) => !(left == right);
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public override int GetHashCode()
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{
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unchecked
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{
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int hash = 17;
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hash = hash * 31 + (TopBorder?.GetHashCode() ?? 0);
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hash = hash * 31 + (BottomBorder?.GetHashCode() ?? 0);
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hash = hash * 31 + (LeftBorder?.GetHashCode() ?? 0);
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hash = hash * 31 + (RightBorder?.GetHashCode() ?? 0);
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hash = hash * 31 + (DiagonalLeft?.GetHashCode() ?? 0);
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hash = hash * 31 + (DiagonalRight?.GetHashCode() ?? 0);
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return hash;
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}
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}
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}
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/// <summary>Стиль и цвет границы.</summary>
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public readonly struct BorderSide : IEquatable<BorderSide>
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{
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/// <summary>Стиль линии границы.</summary>
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public BorderStyle? Style { get; init; }
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/// <summary>Цвет границы.</summary>
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public ExColor? Color { get; init; }
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internal T ToBorderElement<T>() where T : BorderPropertiesType, new()
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{
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var element = new T();
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if (Style.HasValue)
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{
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element.Style = Style.Value switch
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{
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BorderStyle.Thin => BorderStyleValues.Thin,
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BorderStyle.Medium => BorderStyleValues.Medium,
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BorderStyle.Dashed => BorderStyleValues.Dashed,
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BorderStyle.Dotted => BorderStyleValues.Dotted,
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BorderStyle.Thick => BorderStyleValues.Thick,
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BorderStyle.Double => BorderStyleValues.Double,
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BorderStyle.Hair => BorderStyleValues.Hair,
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BorderStyle.MediumDashed => BorderStyleValues.MediumDashed,
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BorderStyle.DashDot => BorderStyleValues.DashDot,
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BorderStyle.MediumDashDot => BorderStyleValues.MediumDashDot,
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BorderStyle.DashDotDot => BorderStyleValues.DashDotDot,
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BorderStyle.MediumDashDotDot => BorderStyleValues.MediumDashDotDot,
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BorderStyle.SlantDashDot => BorderStyleValues.SlantDashDot,
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_ => throw new NotImplementedException(),
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};
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}
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if (Color.HasValue && Color.Value.Color.HasValue)
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{
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var c = Color.Value.Color.Value;
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element.Color = new Color { Rgb = $"{c.R:X2}{c.G:X2}{c.B:X2}" };
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}
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return element;
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}
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/// <summary>Создаёт BorderSide из элемента границы Open XML (TopBorder, BottomBorder, LeftBorder, RightBorder, DiagonalBorder).</summary>
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public static BorderSide FromBorderProperties(BorderPropertiesType? borderElement)
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{
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if (borderElement is null)
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return default;
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var result = new BorderSide();
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if (borderElement.Style is not null)
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{
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result = result with { Style = MapBorderStyleFromExcel(borderElement.Style.Value) };
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}
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if (borderElement.Color?.Rgb?.Value is { } rgb && rgb.Length >= 6)
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{
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var color = System.Drawing.Color.FromArgb(
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Convert.ToByte(rgb.Substring(0, 2), 16),
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Convert.ToByte(rgb.Substring(2, 2), 16),
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Convert.ToByte(rgb.Substring(4, 2), 16)
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);
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result = result with { Color = new ExColor(color) };
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}
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return result;
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}
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private static BorderStyle MapBorderStyleFromExcel(BorderStyleValues value)
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{
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if (value == BorderStyleValues.Thin)
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{
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return BorderStyle.Thin;
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}
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else if (value == BorderStyleValues.Medium)
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{
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return BorderStyle.Medium;
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}
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else if (value == BorderStyleValues.Dashed)
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{
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return BorderStyle.Dashed;
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}
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else if (value == BorderStyleValues.Dotted)
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{
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return BorderStyle.Dotted;
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}
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else if (value == BorderStyleValues.Thick)
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{
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return BorderStyle.Thick;
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}
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else if (value == BorderStyleValues.Double)
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{
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return BorderStyle.Double;
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}
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else if (value == BorderStyleValues.Hair)
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{
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return BorderStyle.Hair;
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}
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else if (value == BorderStyleValues.MediumDashed)
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{
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return BorderStyle.MediumDashed;
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}
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else if (value == BorderStyleValues.DashDot)
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{
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return BorderStyle.DashDot;
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}
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else if (value == BorderStyleValues.MediumDashDot)
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{
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return BorderStyle.MediumDashDot;
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}
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else if (value == BorderStyleValues.DashDotDot)
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{
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return BorderStyle.DashDotDot;
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}
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else if (value == BorderStyleValues.MediumDashDotDot)
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{
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return BorderStyle.MediumDashDotDot;
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}
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else if (value == BorderStyleValues.SlantDashDot)
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{
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return BorderStyle.SlantDashDot;
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}
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else throw new NotSupportedException($"Unsupported border style: {value}");
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}
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public override bool Equals(object? obj) => obj is BorderSide other && Equals(other);
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public bool Equals(BorderSide other) => this == other;
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public static bool operator ==(BorderSide left, BorderSide right) =>
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left.Style == right.Style && Equals(left.Color, right.Color);
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public static bool operator !=(BorderSide left, BorderSide right) => !(left == right);
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public override int GetHashCode()
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{
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unchecked
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{
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int hash = 17;
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hash = hash * 31 + Style.GetHashCode();
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hash = hash * 31 + (Color?.GetHashCode() ?? 0);
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return hash;
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}
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}
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}
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/// <summary>Тип линии границы</summary>
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public enum BorderStyle
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{
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/// <summary> Тонкая линия </summary>
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Thin,
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/// <summary> Средняя линия </summary>
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Medium,
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/// <summary> Штриховая </summary>
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Dashed,
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/// <summary> Точечная </summary>
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Dotted,
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/// <summary> Толстая линия </summary>
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Thick,
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/// <summary> Двойная линия </summary>
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Double,
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/// <summary> Волосяная (очень тонкая) </summary>
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Hair,
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/// <summary> Средняя штриховая </summary>
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MediumDashed,
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/// <summary> Штрих-пунктирная </summary>
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DashDot,
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/// <summary> Средняя штрих-пунктирная </summary>
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MediumDashDot,
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/// <summary> Штрих-пунктир-пунктир </summary>
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DashDotDot,
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/// <summary> Средняя штрих-пунктир-пунктир </summary>
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MediumDashDotDot,
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/// <summary> Наклонная штрих-пунктирная (для диагональных) </summary>
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SlantDashDot,
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}
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