private void UpdateSearch()
{
// Clear any existing cached search results
filteredPlayerPrefs.Clear();
// Don't attempt to find the search results if a search filter hasn't actually been supplied
if (string.IsNullOrEmpty(searchFilter))
{
return;
}
int entryCount = deserializedPlayerPrefs.Count;
// Iterate through all the cached results and add any matches to filteredPlayerPrefs
for (int i = 0; i < entryCount; i++)
{
string fullKey = deserializedPlayerPrefs[i].Key;
string displayKey = fullKey;
// Special case for encrypted keys in auto decrypt mode, search should use decrypted values
bool isEncryptedPair = SercurePlayerPrefs.IsEncryptedKey(deserializedPlayerPrefs[i].Key);
if (automaticDecryption && isEncryptedPair)
{
displayKey = SercurePlayerPrefs.DecryptKey(fullKey);
}
// If the key contains the search filter (ToLower used on both parts to make this case insensitive)
if (displayKey.ToLower().Contains(searchFilter.ToLower()))
{
filteredPlayerPrefs.Add(deserializedPlayerPrefs[i]);
}
}
}
private void DrawMainList()
{
// The bold table headings
EditorGUILayout.BeginHorizontal();
GUILayout.Label("Key", EditorStyles.boldLabel);
GUILayout.Label("Value", EditorStyles.boldLabel);
GUILayout.Label("Type", EditorStyles.boldLabel, GUILayout.Width(37));
GUILayout.Label("Del", EditorStyles.boldLabel, GUILayout.Width(25));
EditorGUILayout.EndHorizontal();
// Create a GUIStyle that can be manipulated for the various text fields
GUIStyle textFieldStyle = new GUIStyle(GUI.skin.textField);
// Could be dealing with either the full list or search results, so get the right list
List <PlayerPrefPair> activePlayerPrefs = deserializedPlayerPrefs;
if (!string.IsNullOrEmpty(searchFilter))
{
activePlayerPrefs = filteredPlayerPrefs;
}
// Cache the entry count
int entryCount = activePlayerPrefs.Count;
// Record the last scroll position so we can calculate if the user has scrolled this frame
lastScrollPosition = scrollPosition;
// Start the scrollable area
scrollPosition = EditorGUILayout.BeginScrollView(scrollPosition);
// Ensure the scroll doesn't go below zero
if (scrollPosition.y < 0)
{
scrollPosition.y = 0;
}
// The following code has been optimised so that rather than attempting to draw UI for every single PlayerPref
// it instead only draws the UI for those currently visible in the scroll view and pads above and below those
// results to maintain the right size using GUILayout.Space(). This enables us to work with thousands of
// PlayerPrefs without slowing the interface to a halt.
// Fixed height of one of the rows in the table
float rowHeight = 18;
// Determine how many rows are visible on screen. For simplicity, use Screen.height (the overhead is negligible)
int visibleCount = Mathf.CeilToInt(Screen.height / rowHeight);
// Determine the index of the first player pref that should be drawn as visible in the scrollable area
int firstShownIndex = Mathf.FloorToInt(scrollPosition.y / rowHeight);
// Determine the bottom limit of the visible player prefs (last shown index + 1)
int shownIndexLimit = firstShownIndex + visibleCount;
// If the actual number of player prefs is smaller than the caculated limit, reduce the limit to match
if (entryCount < shownIndexLimit)
{
shownIndexLimit = entryCount;
}
// If the number of displayed player prefs is smaller than the number we can display (like we're at the end
// of the list) then move the starting index back to adjust
if (shownIndexLimit - firstShownIndex < visibleCount)
{
firstShownIndex -= visibleCount - (shownIndexLimit - firstShownIndex);
}
// Can't have a negative index of a first shown player pref, so clamp to 0
if (firstShownIndex < 0)
{
firstShownIndex = 0;
}
// Pad above the on screen results so that we're not wasting draw calls on invisible UI and the drawn player
// prefs end up in the same place in the list
GUILayout.Space(firstShownIndex * rowHeight);
// For each of the on screen results
for (int i = firstShownIndex; i < shownIndexLimit; i++)
{
// Detect if it's an encrypted player pref (these have key prefixes)
bool isEncryptedPair = SercurePlayerPrefs.IsEncryptedKey(activePlayerPrefs[i].Key);
// Colour code encrypted player prefs blue
if (isEncryptedPair)
{
if (UsingProSkin)
{
textFieldStyle.normal.textColor = new Color(0.5f, 0.5f, 1);
textFieldStyle.focused.textColor = new Color(0.5f, 0.5f, 1);
}
else
{
textFieldStyle.normal.textColor = new Color(0, 0, 1);
textFieldStyle.focused.textColor = new Color(0, 0, 1);
}
}
else
{
// Normal player prefs are just black
textFieldStyle.normal.textColor = GUI.skin.textField.normal.textColor;
textFieldStyle.focused.textColor = GUI.skin.textField.focused.textColor;
}
// The full key is the key that's actually stored in player prefs
string fullKey = activePlayerPrefs[i].Key;
// Display key is used so in the case of encrypted keys, we display the decrypted version instead (in
// auto-decrypt mode).
string displayKey = fullKey;
// Used for accessing the type information stored against the player pref
object deserializedValue = activePlayerPrefs[i].Value;
// Track whether the auto decrypt failed, so we can instead fallback to encrypted values and mark it red
bool failedAutoDecrypt = false;
// If this is an encrypted play pref and we're attempting to decrypt them, try to decrypt it!
if (isEncryptedPair && automaticDecryption)
{
// This may throw exceptions (e.g. if private key changes), so wrap in a try-catch
try {
deserializedValue = SercurePlayerPrefs.GetValue(fullKey, (string)deserializedValue);
displayKey = SercurePlayerPrefs.DecryptKey(fullKey);
} catch {
// Change the colour to red to highlight the decrypt failed
textFieldStyle.normal.textColor = Color.red;
textFieldStyle.focused.textColor = Color.red;
// Track that the auto decrypt failed, so we can prevent any editing
failedAutoDecrypt = true;
}
}
EditorGUILayout.BeginHorizontal();
// The type of player pref being stored (in auto decrypt mode this works with the decrypted values too)
Type valueType;
// If it's an encrypted playerpref, we're automatically decrypting and it didn't fail the earlier
// auto decrypt test
if (isEncryptedPair && automaticDecryption && !failedAutoDecrypt)
{
// Get the encrypted string
string encryptedValue = PlayerPrefs.GetString(fullKey);
// Set valueType appropiately based on which type identifier prefix the encrypted string starts with
if (encryptedValue.StartsWith(SercurePlayerPrefs.ValueFloatPrefix))
{
valueType = typeof(float);
}
else if (encryptedValue.StartsWith(SercurePlayerPrefs.ValueIntPrefix))
{
valueType = typeof(int);
}
else if (encryptedValue.StartsWith(SercurePlayerPrefs.ValueStringPrefix) ||
string.IsNullOrEmpty(encryptedValue))
{
// Special case here, empty encrypted values will also report as strings
valueType = typeof(string);
}
else
{
throw new InvalidOperationException(
"Could not decrypt item, no match found in known encrypted key prefixes");
}
}
else
{
// Otherwise fallback to the type of the cached value (for non-encrypted values this will be
// correct). For encrypted values when not in auto-decrypt mode, this will return string type
valueType = deserializedValue.GetType();
}
// Display the PlayerPref key
EditorGUILayout.TextField(displayKey, textFieldStyle);
// Value display and user editing
// If we're dealing with a float
if (valueType == typeof(float))
{
float initialValue;
if (isEncryptedPair && automaticDecryption)
{
// Automatically decrypt the value if encrypted and in auto-decrypt mode
initialValue = SercurePlayerPrefs.GetFloat(displayKey);
}
else
{
// Otherwise fetch the latest plain value from PlayerPrefs in memory
initialValue = PlayerPrefs.GetFloat(fullKey);
}
// Display the float editor field and get any changes in value
float newValue = EditorGUILayout.FloatField(initialValue, textFieldStyle);
// If the value has changed
if (newValue != initialValue)
{
// Store the changed value in player prefs, encrypting if necessary
if (isEncryptedPair)
{
string encryptedValue = SercurePlayerPrefs.ValueFloatPrefix +
UserEncryption.EncryptFloat(newValue);
PlayerPrefs.SetString(fullKey, encryptedValue);
}
else
{
PlayerPrefs.SetFloat(fullKey, newValue);
}
// Save PlayerPrefs
PlayerPrefs.Save();
}
// Display the PlayerPref type
GUILayout.Label("float", GUILayout.Width(37));
}
else if (valueType == typeof(int)) // if we're dealing with an int
{
int initialValue;
if (isEncryptedPair && automaticDecryption)
{
// Automatically decrypt the value if encrypted and in auto-decrypt mode
initialValue = SercurePlayerPrefs.GetInt(displayKey);
}
else
{
// Otherwise fetch the latest plain value from PlayerPrefs in memory
initialValue = PlayerPrefs.GetInt(fullKey);
}
// Display the int editor field and get any changes in value
int newValue = EditorGUILayout.IntField(initialValue, textFieldStyle);
// If the value has changed
if (newValue != initialValue)
{
// Store the changed value in player prefs, encrypting if necessary
if (isEncryptedPair)
{
string encryptedValue =
SercurePlayerPrefs.ValueIntPrefix + UserEncryption.EncryptInt(newValue);
PlayerPrefs.SetString(fullKey, encryptedValue);
}
else
{
PlayerPrefs.SetInt(fullKey, newValue);
}
// Save PlayerPrefs
PlayerPrefs.Save();
}
// Display the PlayerPref type
GUILayout.Label("int", GUILayout.Width(37));
}
else if (valueType == typeof(string)) // if we're dealing with a string
{
string initialValue;
if (isEncryptedPair && automaticDecryption && !failedAutoDecrypt)
{
// Automatically decrypt the value if encrypted and in auto-decrypt mode
initialValue = SercurePlayerPrefs.GetString(displayKey);
}
else
{
// Otherwise fetch the latest plain value from PlayerPrefs in memory
initialValue = PlayerPrefs.GetString(fullKey);
}
// Display the text (string) editor field and get any changes in value
string newValue = EditorGUILayout.TextField(initialValue, textFieldStyle);
// If the value has changed
if (newValue != initialValue && !failedAutoDecrypt)
{
// Store the changed value in player prefs, encrypting if necessary
if (isEncryptedPair)
{
string encryptedValue = SercurePlayerPrefs.ValueStringPrefix +
UserEncryption.EncryptString(newValue);
PlayerPrefs.SetString(fullKey, encryptedValue);
}
else
{
PlayerPrefs.SetString(fullKey, newValue);
}
// Save PlayerPrefs
PlayerPrefs.Save();
}
if (isEncryptedPair && !automaticDecryption && !string.IsNullOrEmpty(initialValue))
{
// Because encrypted values when not in auto-decrypt mode are stored as string, determine their
// encrypted type and display that instead for these encrypted PlayerPrefs
PlayerPrefType playerPrefType = (PlayerPrefType)(int)char.GetNumericValue(initialValue[0]);
GUILayout.Label(playerPrefType.ToString().ToLower(), GUILayout.Width(37));
}
else
{
// Display the PlayerPref type
GUILayout.Label("string", GUILayout.Width(37));
}
}
// Delete button
if (GUILayout.Button("X", GUILayout.Width(25)))
{
// Delete the key from player prefs
PlayerPrefs.DeleteKey(fullKey);
// Tell Unity to Save PlayerPrefs
PlayerPrefs.Save();
// Delete the cached record so the list updates immediately
DeleteCachedRecord(fullKey);
}
EditorGUILayout.EndHorizontal();
}
// Calculate the padding at the bottom of the scroll view (because only visible player pref rows are drawn)
float bottomPadding = (entryCount - shownIndexLimit) * rowHeight;
// If the padding is positive, pad the bottom so that the layout and scroll view size is correct still
if (bottomPadding > 0)
{
GUILayout.Space(bottomPadding);
}
EditorGUILayout.EndScrollView();
// Display the number of player prefs
GUILayout.Label("Entry Count: " + entryCount);
}