| | | 1 | | namespace Allyaria.Theming.StyleTypes; |
| | | 2 | | |
| | | 3 | | /// <summary> |
| | | 4 | | /// Represents a CSS <c>position</c> value within the Allyaria theming system. Provides a strongly typed wrapper for |
| | | 5 | | /// defining how an element is positioned in the document layout. |
| | | 6 | | /// </summary> |
| | | 7 | | public sealed record StylePosition : StyleValueBase |
| | | 8 | | { |
| | | 9 | | /// <summary> |
| | | 10 | | /// Initializes a new instance of the <see cref="StylePosition" /> record using the specified <see cref="Kind" /> va |
| | | 11 | | /// </summary> |
| | | 12 | | /// <param name="kind">The position behavior to represent.</param> |
| | | 13 | | public StylePosition(Kind kind) |
| | 36 | 14 | | : base(value: kind.GetDescription()) { } |
| | | 15 | | |
| | | 16 | | /// <summary>Defines the supported CSS <c>position</c> property values.</summary> |
| | | 17 | | public enum Kind |
| | | 18 | | { |
| | | 19 | | /// <summary> |
| | | 20 | | /// Positions the element relative to its nearest positioned ancestor. The element is removed from the normal do |
| | | 21 | | /// flow. |
| | | 22 | | /// </summary> |
| | | 23 | | [Description(description: "absolute")] |
| | | 24 | | Absolute, |
| | | 25 | | |
| | | 26 | | /// <summary> |
| | | 27 | | /// Positions the element relative to the viewport. The element remains fixed in the same position even when the |
| | | 28 | | /// scrolled. |
| | | 29 | | /// </summary> |
| | | 30 | | [Description(description: "fixed")] |
| | | 31 | | Fixed, |
| | | 32 | | |
| | | 33 | | /// <summary> |
| | | 34 | | /// Positions the element relative to its normal position. Offsets can be applied using <c>top</c>, <c>right</c> |
| | | 35 | | /// <c>bottom</c>, and <c>left</c>. |
| | | 36 | | /// </summary> |
| | | 37 | | [Description(description: "relative")] |
| | | 38 | | Relative, |
| | | 39 | | |
| | | 40 | | /// <summary>Uses the normal document flow (default). Offsets have no effect when <c>position: static</c>.</summ |
| | | 41 | | [Description(description: "static")] |
| | | 42 | | Static, |
| | | 43 | | |
| | | 44 | | /// <summary> |
| | | 45 | | /// Positions the element based on the user's scroll position. The element toggles between relative and fixed po |
| | | 46 | | /// depending on scroll boundaries. |
| | | 47 | | /// </summary> |
| | | 48 | | [Description(description: "sticky")] |
| | | 49 | | Sticky |
| | | 50 | | } |
| | | 51 | | |
| | | 52 | | /// <summary> |
| | | 53 | | /// Parses a string representation of a CSS <c>position</c> value into a <see cref="StylePosition" /> instance. |
| | | 54 | | /// </summary> |
| | | 55 | | /// <param name="value">The string representation of the position value.</param> |
| | | 56 | | /// <returns>A new <see cref="StylePosition" /> instance representing the parsed value.</returns> |
| | | 57 | | /// <exception cref="AryArgumentException"> |
| | | 58 | | /// Thrown when the provided <paramref name="value" /> does not correspond to a valid <see cref="Kind" />. |
| | | 59 | | /// </exception> |
| | | 60 | | public static StylePosition Parse(string? value) |
| | 12 | 61 | | => value.TryParseEnum<Kind>(result: out var kind) |
| | 12 | 62 | | ? new StylePosition(kind: kind) |
| | 12 | 63 | | : throw new AryArgumentException(message: $"Invalid style: {value}", argName: nameof(value)); |
| | | 64 | | |
| | | 65 | | /// <summary>Attempts to parse a string into a <see cref="StylePosition" /> instance.</summary> |
| | | 66 | | /// <param name="value">The string representation of the position value to parse.</param> |
| | | 67 | | /// <param name="result"> |
| | | 68 | | /// When this method returns, contains the parsed <see cref="StylePosition" /> instance or <see langword="null" /> i |
| | | 69 | | /// parsing failed. |
| | | 70 | | /// </param> |
| | | 71 | | /// <returns><see langword="true" /> if parsing succeeded; otherwise, <see langword="false" />.</returns> |
| | | 72 | | public static bool TryParse(string? value, out StylePosition? result) |
| | | 73 | | { |
| | | 74 | | try |
| | | 75 | | { |
| | 3 | 76 | | result = Parse(value: value); |
| | | 77 | | |
| | 1 | 78 | | return true; |
| | | 79 | | } |
| | 2 | 80 | | catch |
| | | 81 | | { |
| | 2 | 82 | | result = null; |
| | | 83 | | |
| | 2 | 84 | | return false; |
| | | 85 | | } |
| | 3 | 86 | | } |
| | | 87 | | |
| | | 88 | | /// <summary>Implicitly converts a string into a <see cref="StylePosition" /> instance.</summary> |
| | | 89 | | /// <param name="value">The string representation of the position value.</param> |
| | | 90 | | /// <returns>A <see cref="StylePosition" /> instance representing the provided value.</returns> |
| | | 91 | | /// <exception cref="AryArgumentException"> |
| | | 92 | | /// Thrown when the provided string cannot be parsed into a valid |
| | | 93 | | /// <see cref="Kind" />. |
| | | 94 | | /// </exception> |
| | 2 | 95 | | public static implicit operator StylePosition(string? value) => Parse(value: value); |
| | | 96 | | |
| | | 97 | | /// <summary>Implicitly converts a <see cref="StylePosition" /> instance to its string representation.</summary> |
| | | 98 | | /// <param name="value">The <see cref="StylePosition" /> instance to convert.</param> |
| | | 99 | | /// <returns> |
| | | 100 | | /// The underlying CSS <c>position</c> string value, or an empty string if <paramref name="value" /> is |
| | | 101 | | /// <see langword="null" />. |
| | | 102 | | /// </returns> |
| | 2 | 103 | | public static implicit operator string(StylePosition? value) => (value?.Value).OrDefaultIfEmpty(); |
| | | 104 | | } |