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Text.cs
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Text.cs
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using System;
using System.Text;
using JetBrains.Annotations;
using UnityEditor;
using UnityEngine.UIElements;
namespace UI.Li.Common
{
/// <summary>
/// Component representing <see cref="UnityEngine.UIElements.Label"/>.
/// </summary>
[PublicAPI] public sealed class Text: Element
{
[NotNull] private readonly string text;
private readonly string tooltip;
/// <summary>
/// Creates <see cref="Text"/> instance with given text.
/// </summary>
/// <param name="text">text to be displayed</param>
/// <param name="data">additional element data <seealso cref="Element.Data"/></param>
/// <returns></returns>
[NotNull] [Obsolete]
public static Text V([NotNull] string text, Data data) =>
new(text, data);
/// <summary>
/// Creates <see cref="Text"/> instance with given text.
/// </summary>
/// <param name="text">text to be displayed</param>
/// <param name="manipulators">manipulators <seealso cref="IManipulator"/></param>
/// <returns></returns>
[NotNull]
public static Text V([NotNull] string text, params IManipulator[] manipulators) =>
new(text, manipulators);
private static string ToLiteral(string input) {
var literal = new StringBuilder(input.Length + 2);
foreach (var c in input) {
switch (c) {
case '\"': literal.Append("\\\""); break;
case '\\': literal.Append(@"\\"); break;
case '\0': literal.Append(@"\0"); break;
case '\a': literal.Append(@"\a"); break;
case '\b': literal.Append(@"\b"); break;
case '\f': literal.Append(@"\f"); break;
case '\n': literal.Append(@"\n"); break;
case '\r': literal.Append(@"\r"); break;
case '\t': literal.Append(@"\t"); break;
case '\v': literal.Append(@"\v"); break;
default:
// ASCII printable character
if (c >= 0x20 && c <= 0x7e) {
literal.Append(c);
// As UTF16 escaped character
} else {
literal.Append(@"\u");
literal.Append(((int)c).ToString("x4"));
}
break;
}
}
return literal.ToString();
}
public override string ToString() => $"Text \"{ToLiteral(text)}\"";
public override bool StateLayoutEquals(IComponent other) => other is Text;
[Obsolete] private Text([NotNull] string text, Data data) : base(data) => this.text = text;
private Text([NotNull] string text, IManipulator[] manipulators) : base(manipulators) => this.text = text;
protected override VisualElement PrepareElement(VisualElement target)
{
var ret = base.PrepareElement(target);
ret.AddToClassList(Label.ussClassName);
ret.AddToClassList(TextElement.ussClassName);
return ret;
}
protected override VisualElement GetElement(VisualElement source)
{
var element = Use<Label>(source, true);
element.text = text;
return element;
}
}
}