61 lines
2.0 KiB
C#
61 lines
2.0 KiB
C#
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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 UnityEditor.Experimental;
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using UnityEditor.StyleSheets;
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using UnityEngine;
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using UnityEngine.Timeline;
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namespace UnityEditor.Timeline
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{
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static class StyleManager
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{
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static readonly StyleState[] k_StyleStates = { StyleState.any };
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static readonly string k_ErrorCannotFindStyle = L10n.Tr("Cannot find style {0} for {1}");
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static Dictionary<Type, GUIStyle> s_CustomStyles = new Dictionary<Type, GUIStyle>();
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static GUISkin s_CurrentSkin;
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public static GUIStyle UssStyleForType(Type type)
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{
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ClearCacheIfInvalid();
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GUIStyle cachedStyle;
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if (s_CustomStyles.TryGetValue(type, out cachedStyle))
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return cachedStyle;
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var style = DirectorStyles.GetGUIStyle(DirectorStyles.markerDefaultStyle);
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var customStyleForType = CustomStyleForType(type);
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if (customStyleForType != null)
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{
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if (IsStyleValid(customStyleForType))
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style = DirectorStyles.GetGUIStyle(customStyleForType);
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else
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Debug.LogWarningFormat(k_ErrorCannotFindStyle, customStyleForType, type.Name);
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}
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s_CustomStyles.Add(type, style);
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return style;
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}
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static string CustomStyleForType(Type type)
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{
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var attr = (CustomStyleAttribute)type.GetCustomAttributes(typeof(CustomStyleAttribute), true).FirstOrDefault();
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return attr != null ? attr.ussStyle : null;
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}
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static bool IsStyleValid(string ussStyle)
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{
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return GUISkin.current.FindStyle(ussStyle) != null || EditorResources.styleCatalog.GetStyle(ussStyle, k_StyleStates).IsValid();
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}
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static void ClearCacheIfInvalid()
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{
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if (s_CurrentSkin != GUISkin.current)
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s_CustomStyles.Clear();
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s_CurrentSkin = GUISkin.current;
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}
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}
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}
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