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75 lines
2.0 KiB
75 lines
2.0 KiB
4 years ago
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Monaco.Helpers
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{
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public interface ICssStyle
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{
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string Name { get; }
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string ToCss();
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}
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/// <summary>
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/// Singleton Broker to help us manage CSS Styles
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/// </summary>
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public sealed class CssStyleBroker
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{
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private static uint Id = 0;
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private Dictionary<string, ICssStyle> _registered = new Dictionary<string, ICssStyle>();
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// http://csharpindepth.com/Articles/General/Singleton.aspx
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private static readonly CssStyleBroker _instance = new CssStyleBroker();
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// Explicit static constructor to tell C# compiler
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// not to mark type as beforefieldinit
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static CssStyleBroker()
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{
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}
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private CssStyleBroker()
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{
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}
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public static CssStyleBroker Instance // TODO: Probably need to tie this to a specific Editor
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{
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get
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{
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return _instance;
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}
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}
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/// <summary>
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/// Returns the name for a style to use after registered.
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/// </summary>
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/// <param name="style"></param>
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/// <returns></returns>
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public string Register(ICssStyle style)
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{
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CssStyleBroker.Id += 1;
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var name = "generated-style-" + Id;
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this._registered.Add(name, style);
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return name;
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}
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/// <summary>
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/// Returns the CSS block for all registered styles.
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/// </summary>
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/// <returns></returns>
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public string GetStyles()
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{
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StringBuilder rules = new StringBuilder(100);
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foreach (ICssStyle css in _registered.Values)
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{
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rules.AppendLine(css.ToCss());
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}
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return rules.ToString();
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}
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public static string WrapCssClassName(ICssStyle style, string inner)
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{
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return String.Format(".{0} {{ {1} }}", style.Name, inner);
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}
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}
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}
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