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using UnityEngine;
using System;
using System.Collections.Generic;
namespace TMPro
{
[Serializable]
public class TMP_StyleSheet : ScriptableObject
{
private static TMP_StyleSheet s_Instance;
[SerializeField]
private List<TMP_Style> m_StyleList = new List<TMP_Style>(1);
private Dictionary<int, TMP_Style> m_StyleDictionary = new Dictionary<int, TMP_Style>();
/// <summary>
/// Get a singleton instance of the TMP_StyleSheet
/// </summary>
public static TMP_StyleSheet instance
{
get
{
if (s_Instance == null)
{
s_Instance = TMP_Settings.defaultStyleSheet;
if (s_Instance == null)
s_Instance = Resources.Load<TMP_StyleSheet>("Style Sheets/TMP Default Style Sheet");
if (s_Instance == null) return null;
// Load the style dictionary.
s_Instance.LoadStyleDictionaryInternal();
}
return s_Instance;
}
}
/// <summary>
/// Static Function to load the Default Style Sheet.
/// </summary>
/// <returns></returns>
public static TMP_StyleSheet LoadDefaultStyleSheet()
{
return instance;
}
/// <summary>
/// Function to retrieve the Style matching the HashCode.
/// </summary>
/// <param name="hashCode"></param>
/// <returns></returns>
public static TMP_Style GetStyle(int hashCode)
{
return instance.GetStyleInternal(hashCode);
}
/// <summary>
/// Internal method to retrieve the Style matching the Hashcode.
/// </summary>
/// <param name="hashCode"></param>
/// <returns></returns>
private TMP_Style GetStyleInternal(int hashCode)
{
TMP_Style style;
if (m_StyleDictionary.TryGetValue(hashCode, out style))
{
return style;
}
return null;
}
public void UpdateStyleDictionaryKey(int old_key, int new_key)
{
if (m_StyleDictionary.ContainsKey(old_key))
{
TMP_Style style = m_StyleDictionary[old_key];
m_StyleDictionary.Add(new_key, style);
m_StyleDictionary.Remove(old_key);
}
}
/// <summary>
/// Function to update the internal reference to a newly assigned style sheet in the TMP Settings.
/// </summary>
public static void UpdateStyleSheet()
{
// Reset instance
s_Instance = null;
RefreshStyles();
}
/// <summary>
/// Function to refresh the Style Dictionary.
/// </summary>
public static void RefreshStyles()
{
instance.LoadStyleDictionaryInternal();
}
/// <summary>
///
/// </summary>
private void LoadStyleDictionaryInternal()
{
m_StyleDictionary.Clear();
// Read Styles from style list and store them into dictionary for faster access.
for (int i = 0; i < m_StyleList.Count; i++)
{
m_StyleList[i].RefreshStyle();
if (!m_StyleDictionary.ContainsKey(m_StyleList[i].hashCode))
m_StyleDictionary.Add(m_StyleList[i].hashCode, m_StyleList[i]);
}
}
}
}