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Assets/CoolapeFrame/3rd/NGUI_Enhance/Scripts/Interaction/UISavedOption.cs

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+//----------------------------------------------
+//            NGUI: Next-Gen UI kit
+// Copyright © 2011-2015 Tasharen Entertainment
+//----------------------------------------------
+
+using UnityEngine;
+
+/// <summary>
+/// Attach this script to a popup list, the parent of a group of toggles, or to a toggle itself to save its state.
+/// </summary>
+
+[AddComponentMenu("NGUI/Interaction/Saved Option")]
+public class UISavedOption : MonoBehaviour
+{
+	/// <summary>
+	/// PlayerPrefs-stored key for this option.
+	/// </summary>
+
+	public string keyName;
+
+	string key { get { return (string.IsNullOrEmpty(keyName)) ? "NGUI State: " + name : keyName; } }
+
+	UIPopupList mList;
+	UIToggle mCheck;
+	UIProgressBar mSlider;
+
+	/// <summary>
+	/// Cache the components and register a listener callback.
+	/// </summary>
+
+	void Awake ()
+	{
+		mList = GetComponent<UIPopupList>();
+		mCheck = GetComponent<UIToggle>();
+		mSlider = GetComponent<UIProgressBar>();
+	}
+
+	/// <summary>
+	/// Load and set the state of the toggles.
+	/// </summary>
+
+	void OnEnable ()
+	{
+		if (mList != null)
+		{
+			EventDelegate.Add(mList.onChange, SaveSelection);
+			string s = PlayerPrefs.GetString(key);
+			if (!string.IsNullOrEmpty(s)) mList.value = s;
+		}
+		else if (mCheck != null)
+		{
+			EventDelegate.Add(mCheck.onChange, SaveState);
+			mCheck.value = (PlayerPrefs.GetInt(key, mCheck.startsActive ? 1 : 0) != 0);
+		}
+		else if (mSlider != null)
+		{
+			EventDelegate.Add(mSlider.onChange, SaveProgress);
+			mSlider.value = PlayerPrefs.GetFloat(key, mSlider.value);
+		}
+		else
+		{
+			string s = PlayerPrefs.GetString(key);
+			UIToggle[] toggles = GetComponentsInChildren<UIToggle>(true);
+
+			for (int i = 0, imax = toggles.Length; i < imax; ++i)
+			{
+				UIToggle ch = toggles[i];
+				ch.value = (ch.name == s);
+			}
+		}
+	}
+
+	/// <summary>
+	/// Save the state on destroy.
+	/// </summary>
+
+	void OnDisable ()
+	{
+		if (mCheck != null) EventDelegate.Remove(mCheck.onChange, SaveState);
+		else if (mList != null) EventDelegate.Remove(mList.onChange, SaveSelection);
+		else if (mSlider != null) EventDelegate.Remove(mSlider.onChange, SaveProgress);
+		else
+		{
+			UIToggle[] toggles = GetComponentsInChildren<UIToggle>(true);
+
+			for (int i = 0, imax = toggles.Length; i < imax; ++i)
+			{
+				UIToggle ch = toggles[i];
+
+				if (ch.value)
+				{
+					PlayerPrefs.SetString(key, ch.name);
+					break;
+				}
+			}
+		}
+	}
+
+	/// <summary>
+	/// Save the selection.
+	/// </summary>
+
+	public void SaveSelection (GameObject go = null) //modify by chenbin
+	{ PlayerPrefs.SetString(key, UIPopupList.current.value); }
+
+	/// <summary>
+	/// Save the state.
+	/// </summary>
+
+	public void SaveState (GameObject go = null) // modify by chenbin
+	{ PlayerPrefs.SetInt(key, UIToggle.current.value ? 1 : 0); }
+
+	/// <summary>
+	/// Save the current progress.
+	/// </summary>
+
+	public void SaveProgress (GameObject go = null) // modify by chenbin
+	{ PlayerPrefs.SetFloat(key, UIProgressBar.current.value); }
+}