File size: 2,018 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | using System;
using System.Collections.Generic;
using System.Linq;
using UnityEditor.Experimental;
using UnityEditor.StyleSheets;
using UnityEngine;
using UnityEngine.Timeline;
namespace UnityEditor.Timeline
{
static class StyleManager
{
static readonly StyleState[] k_StyleStates = { StyleState.any };
static readonly string k_ErrorCannotFindStyle = L10n.Tr("Cannot find style {0} for {1}");
static Dictionary<Type, GUIStyle> s_CustomStyles = new Dictionary<Type, GUIStyle>();
static GUISkin s_CurrentSkin;
public static GUIStyle UssStyleForType(Type type)
{
ClearCacheIfInvalid();
GUIStyle cachedStyle;
if (s_CustomStyles.TryGetValue(type, out cachedStyle))
return cachedStyle;
var style = DirectorStyles.GetGUIStyle(DirectorStyles.markerDefaultStyle);
var customStyleForType = CustomStyleForType(type);
if (customStyleForType != null)
{
if (IsStyleValid(customStyleForType))
style = DirectorStyles.GetGUIStyle(customStyleForType);
else
Debug.LogWarningFormat(k_ErrorCannotFindStyle, customStyleForType, type.Name);
}
s_CustomStyles.Add(type, style);
return style;
}
static string CustomStyleForType(Type type)
{
var attr = (CustomStyleAttribute)type.GetCustomAttributes(typeof(CustomStyleAttribute), true).FirstOrDefault();
return attr != null ? attr.ussStyle : null;
}
static bool IsStyleValid(string ussStyle)
{
return GUISkin.current.FindStyle(ussStyle) != null || EditorResources.styleCatalog.GetStyle(ussStyle, k_StyleStates).IsValid();
}
static void ClearCacheIfInvalid()
{
if (s_CurrentSkin != GUISkin.current)
s_CustomStyles.Clear();
s_CurrentSkin = GUISkin.current;
}
}
}
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